Detection system for flow control devices

Abstract

To provide a flow control apparatus capable of detecting a condition of a pump set mounted on the flow control apparatus.SOLUTION: A flow control apparatus comprises a housing 3 capable of receiving a portion of a feeding set 7, a pumping device that is configured to receive the feeding set and may produce a fluid flow in the feeding set and deliver fluid to a subject, an ultrasonic sensor that may be configured to produce a sensor signal indicative of a condition of the feeding set, and a control circuit in communication with the ultrasonic sensor for receiving the sensor signal from the ultrasonic sensor indicative of the condition of the feeding set. The ultrasonic sensor comprises a plurality of sensor components which may be configured to emit an ultrasonic signal in a first direction and in a second direction opposite the first direction through the feeding set.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] This disclosure generally relates to a flow control device capable of detecting the state of a pump set attached to the flow control device.

[0002] Cross - Reference to Related Applications This application claims priority to U.S. Provisional Patent Application No. 63 / 028,951, filed on May 22, 2020, the contents of which are incorporated herein by reference in their entirety.

Background Art

[0003] Administering a fluid containing a drug or nutrition to a patient is generally well - known in the art. Typically, the fluid is delivered to the patient by a pump set that is received by a flow control device, such as a pump, connected to a source of the fluid that delivers the fluid to the patient. Conventional flow control devices may also be able to monitor and detect the flow state of the fluid that may occur within the administration supply set loaded during the operation of the flow control device. Generally, prior art flow monitoring systems capable of monitoring and detecting the flow state may rely on sensors disposed with respect to the administration supply set.

Summary of the Invention

Means for Solving the Problems

[0004] The following presents a simplified summary of one or more embodiments of the present disclosure to provide a basic understanding of such embodiments. This summary is not an extensive overview of all contemplated embodiments, nor does it identify essential means or critical elements of all embodiments, or delineate the scope of some or all embodiments in detail. ​​​​​​​​​​It is not intended to provide detailed explanations. Its sole purpose is to provide more detailed explanations later. As an introduction to the explanation, some concepts of one or more implementations of this disclosure are presented in a simplified form. It is about demonstrating.

[0005] In one aspect, the present disclosure relates to a system and method for detecting fluid flow using a control device. and non-temporary containers that store computer executable instructions that can be executed by the processor. Provides computer-readable media. The system, method, and non-temporary computer-readable media are The system may include a housing that can accommodate a portion of the supply set. The method and non-temporary computer-readable media are also coupled to the housing and supplied set. Pump mechanism positioned to engage with the supply set when received by the housing It may include a mechanism that allows the pump device to engage with the supply set and flow into the supply set. Generates a flow within the body and delivers the fluid to the target. System, method and non-temporary computer The readable medium also generates sensor signals to the pump device to indicate the status of the feed set. It includes an ultrasonic sensor positioned as such, and the ultrasonic sensor feeds from one of several sensor components The set sends an ultrasonic signal in the first direction, and the supply is sent from one of the other sensor components. Multiple devices configured to send ultrasonic signals in a second direction opposite to the first direction through a net. It may include the following sensor components. System, method and non-temporary computer-readable media The body also receives ultrasonic sensors to receive sensor signals from the ultrasonic sensors indicating the status of the supply set. It can include a control circuit that communicates with sensors.

[0006] In one aspect, the present disclosure relates to a system and method for detecting fluid flow using a control device. and non-temporary storage of executable computer instructions that can be executed by the processor. To provide computer-readable media. System, method and non-temporary computer-readable media. This includes sending a first ultrasonic signal in a first direction through a portion of the pump set. This is possible. The system, method, and non-temporary computer-readable media also include the pump set. This includes sending a second ultrasonic signal in a second direction opposite to the first direction through a portion of the signal. This is possible. The system, method, and non-temporary computer-readable medium also provide the first ultrasonic signal. The system may include detecting a number and identifying a first sensor reading. The law and non-temporary computer-readable media also detect the second ultrasonic signal and the second sensor This may include identifying the reading value. System, method and non-temporary computer The reader-readable medium also converts the amplitude of the first sensor reading to the amplitude of the second sensor reading. This may include comparisons with systems, methods, and non-temporary computer-readable media. The body also pumps based on a comparison of the first sensor reading and the second sensor reading. This may include detecting the state of the set.

[0007] In one aspect, the present disclosure relates to a system and method for detecting fluid flow using a control device. and non-temporary storage of executable computer instructions that can be executed by the processor. To provide computer-readable media. System, method and non-temporary computer-readable media. This uses a first sensor component to transmit a first ultrasonic wave in a first direction through a portion of the pump set. Sending a signal and sending a second signal in the opposite direction to the first through a portion of the pump set. It can include sending a second ultrasonic signal using the sensor component. The system, method and non - transient computer - readable medium can also include detecting a first ultrasonic signal and identifying a first sensor reading. The system, method and non - transient computer - readable medium can also include detecting a second ultrasonic signal and identifying a second sensor reading. The system, method and non - transient computer - readable medium can also include comparing the amplitude of the first sensor reading with the amplitude of the second sensor reading. The system, method and non - transient computer - readable medium can also include detecting the state of the pump set based on the comparison between the first sensor reading and the second sensor reading. In one aspect, the present disclosure provides a system, method for detecting fluid flow using a control device and a non - transient computer - readable medium storing computer - executable instructions that can be executed by a processor. The system, method and non - transient computer - readable medium can include a housing configured to receive a supply set. The system, method and non - transient computer - readable medium can also include a pump device configured to generate a fluid flow within the supply set. The system, method and non - transient computer - readable medium can also include an ultrasonic sensor including a first sensor component and a second sensor component, where the first sensor component is configured to send a first ultrasonic signal through a portion of the supply set in a first direction, and the second sensor component is configured to send a second ultrasonic signal through a portion of the supply set in a second direction.

[0008] The system, method and non - transient computer - readable medium can also include detecting fluid flow using a control device and storing computer - executable instructions that can be executed by a processor. The system, method and non - transient computer - readable medium can include a housing configured to receive a supply set. The system, method and non - transient computer - readable medium can also include a pump device configured to generate a fluid flow within the supply set. The system, method and non - transient computer - readable medium can also include an ultrasonic sensor including a first sensor component and a second sensor component. The first sensor component is configured to send a first ultrasonic signal through a portion of the supply set in a first direction. The second sensor component is configured to send a second ultrasonic signal through a portion of the supply set in a second direction. The system, method and non - transient computer - readable medium can also include an ultrasonic sensor including a first sensor component and a second sensor component. The first sensor component is configured to send a first ultrasonic signal through a portion of the supply set in a first direction. The second sensor component is configured to send a second ultrasonic signal through a portion of the supply set in a second direction. The system, method and non - transient computer - readable medium can also include detecting fluid flow using a control device and storing computer - executable instructions that can be executed by a processor. A computer-readable medium can also include a control circuit configured to switch between a first configuration and a second configuration, the first configuration including sending a first ultrasonic signal directed from a first sensor component toward a second sensor component for detection by the second sensor component, and the second configuration including sending a second ultrasonic signal directed from the second sensor component toward the first sensor component for detection by the first sensor component. In one aspect, the present disclosure provides a system, a method, and a non-transitory computer-readable medium storing computer-executable instructions that can be executed by a processor for detecting a fluid flow using a control device. The system, the method, and the non-transitory computer-readable medium can include a housing configured to receive a supply set. The system, the method, and the non-transitory computer-readable medium can also include a pump device configured to generate a fluid flow within the supply set. The system, the method, and the non-transitory computer-readable medium can also include a first ultrasonic sensor configured to generate a first sensor signal indicative of a first state of a first portion of the supply set. The system, the method, and the non-transitory computer-readable medium can also include a second ultrasonic sensor configured to generate a second sensor signal indicative of a first state of a second portion of the supply set. The system, the method, and the non-transitory computer-readable medium can also include a pressure sensor configured to generate a pressure signal indicative of a third state of the supply set. The system, the method, and the non-transitory computer-readable medium can also include a control circuit that communicates with the first ultrasonic sensor, the second ultrasonic sensor, and the pressure sensor and receives the first sensor signal, the second sensor signal, and the pressure signal.

[0009] In one aspect, the present disclosure provides a system, a method, and a non-transitory computer-readable medium storing computer-executable instructions that can be executed by a processor for detecting a fluid flow using a control device. The system, the method, and the non-transitory computer-readable medium can include a housing configured to receive a supply set. The system, the method, and the non-transitory computer-readable medium can also include a pump device configured to generate a fluid flow within the supply set. The system, the method, and the non-transitory computer-readable medium can also include a first ultrasonic sensor configured to generate a first sensor signal indicative of a first state of a first portion of the supply set. The system, the method, and the non-transitory computer-readable medium can also include a second ultrasonic sensor configured to generate a second sensor signal indicative of a first state of a second portion of the supply set. The system, the method, and the non-transitory computer-readable medium can also include a pressure sensor configured to generate a pressure signal indicative of a third state of the supply set. and a control circuit that communicates with the first ultrasonic sensor, the second ultrasonic sensor, and the pressure sensor and receives the first sensor signal, the second sensor signal, and the pressure signal.​​​​​​​​​​ The control circuit may be configured such that it receives a first sensor signal or a second Based on the sensor signal, it provides an initial indication that fluid is present in the supply set or It is configured to provide the first indication of blockage in the supply set based on a pressure signal.

[0010] In one aspect, the present disclosure relates to a system and method for detecting fluid flow using a control device. and non-temporary storage of executable computer instructions that can be executed by the processor. To provide computer-readable media. System, method and non-temporary computer-readable media. This includes generating a first sensor signal indicating a first state of a first portion of a supply set. The system, method, and non-temporary computer-readable media can also be supplied. This may include generating a second sensor signal indicating the first state of the second part. The system, method, and non-temporary computer-readable media also include the third state of the supply set. This may include generating a pressure signal to indicate the system, method and non-temporary computer. The computer-readable medium also receives the first sensor signal, the second sensor signal, and the pressure signal. This may include the system, method and non-temporary computer-readable media. Based on either the first or second sensor signal, the presence of fluid within the supply set is determined. To generate the first indication, or to provide the first indication of a blockage in the supply set based on a pressure signal. It may include providing.

[0011] Further advantages and novel features relating to the implementation of this disclosure are described in part below. This will become clear to those skilled in the art through the following examination or learning by conducting such examination. [Brief explanation of the drawing]

[0012] Novel features that are considered to be characteristic of this disclosure are described in the attached claims. In the following description, the same reference numerals are used for the same parts throughout the specification and drawings. The drawings are not necessarily drawn to scale, and some of the drawings are not clear. And for the sake of brevity, it may be presented in an exaggerated or generalized form. However, This disclosure itself, as well as preferred uses, further applications and advancements thereof, should be read in conjunction with the accompanying drawings. Therefore, it is best understood by referring to the following detailed description of exemplary embodiments of this disclosure. It will be understood.

[0013] [Figure 1] This is a perspective view of a fragmentary portion of an exemplary enteral nutrition pump and a supply set received in the pump according to an aspect of the present disclosure.

[0014] [Figure 2] Figure 1 is a perspective view of the supply set with the cassette housing removed.

[0015] [Figure 3] Figure 2 is a perspective view with the supply set removed.

[0016] [Figure 4] Block diagram showing elements of an enteral nutrition pump including a flow monitoring system according to an aspect of the present disclosure.

[0017] [Figure 5] Figures 5A to 5C are illustrative diagrams of tubes received within a sensor track according to an embodiment of the present disclosure.

[0018] [Figure 6]Figures 6A and 6B are illustrative diagrams of a strained tube received within a sensor track according to an embodiment of the present disclosure.

[0019] [Figure 7] This is a flowchart illustrating an exemplary calibration method according to the embodiments of this disclosure.

[0020] [Figure 8] This is an illustrative diagram of a tube received within a sensor track according to an aspect of the present disclosure.

[0021] [Figure 9] This is a flowchart illustrating an exemplary calibration method implemented through the disclosure.

[0022] [Figure 10] This is an enlarged, fragmentary perspective view of an exemplary enteral nutrition pump according to aspects of the present disclosure.

[0023] [Figure 11] This is a flowchart illustrating an exemplary method of a fluid detection routine implemented in this disclosure.

[0024] [Figure 12] This is a flowchart illustrating an exemplary method for implementing the blockage detection routine described herein.

[0025] [Figure 13A] The following are exemplary results related to the exemplary figures of the distorted tube received within the sensor track shown in Figures 6A and 6B. [Figure 13B-13C] Figures 13B and 13C show exemplary results related to the exemplary diagram of the bent tube received within the sensor track shown in Figures 6A and 6B.

[0026] [Figures 14A-14B] Figures 14A and 14B show exemplary results related to the exemplary illustrations of the tube received within the sensor track in Figures 5A, 5B, 5C and 8. [Figure 14C-14D] Figures 14C and 14D show exemplary results related to the exemplary illustrations of the tube received within the sensor track in Figures 5A, 5B, 5C and 8. [Figures 14E-14F] Figures 14E and 14F show exemplary results related to the exemplary illustrations of the tube received within the sensor track shown in Figures 5A, 5B, 5C and 8.

[0027] [Figure 15] This is an illustrative block diagram of various hardware components and other functions of a computer system that can operate an access control system according to an aspect of this disclosure.

[0028] [Figure 16] These are block diagrams of various exemplary system components for use according to the embodiments of this disclosure.

[0029] Corresponding symbols indicate the corresponding parts throughout the drawing. [Modes for carrying out the invention]

[0030] Referring here to the illustrative embodiments schematically shown in Figures 1 to 3, enteral nutrition pumps (in a broad sense) (This refers to a "flow control device"), and throughout this disclosure, all referred to as "pumps" are... The body is shown as 1. Pump 1 attaches the cassette, which is shown as 5 as a whole. Housing 3 configured in such a way, and (fragmentary parts) that are detachably received inside the cassette It includes a supply set (broadly speaking, a "pump set") (the total time is shown as 7 minutes). This is possible. Supply set 7 provides a fluid path between the nutrient solution source and the flushing liquid. The whole can be provided with a tube indicated by 77 (Figure 1). Tube 83 is , providing a fluid path from pump 1 to the user. In an aspect of this disclosure, the end user is the patient Alternatively, they may be one of the administrators of the enteral nutrition pump. As will be explained in more detail below, P1 is a flow monitor that can detect and identify the status of the supply set 7 loaded into the pump. A visual system 6 (Figure 4) may be provided. As used herein, "loading" In this context, supply set 7 engages with pump 1, thereby supplying fluid to the patient. This means that the pump is ready to operate in order to deliver the fluid.

[0031] In the illustrated embodiment, the cassette 5 is removably received in the cassette recess 8 of the housing 3. (Figure 3). The term "housing" as used herein is not limited to this. However, the multi-component structure and the structure that does not enclose or house the operating components of the pump 1 are multi It will be understood that this may include various forms of support structures (not shown). Various embodiments and features can be implemented without the recess 8. The pump 1 also has a housing. The third component includes a display screen 9 capable of displaying information regarding the status and operation of the pump. One or more buttons 11 that can be placed close to the display screen 9 can be used for control and pumping. It can be provided for use when obtaining information from 1, and one or more light-emitting elements ( The "LED" 13 can provide status information for the pump. One aspect of the present disclosure So, what is the role of a light-emitting element in a device that transmits light, such as optical fibers and light-emitting diodes? It can be in an intentional form. For example, LED13 indicates the appropriate or inappropriate function of pump 1. It can also be shown that the fluid is properly supplied through the supply set 7. It can indicate whether it is flowing or not flowing properly. Below housing 3 Legs (not shown) are placed on the part to support the housing, and the display screen 9 is positioned to be easily visible to the user. It can be tilted slightly upwards.

[0032] Display screen 9 is part of the front panel of housing 3 (shown as 19 overall). It can be mounted detachably to the housing. Pump 1 further, The system includes a pump motor 27 (Figure 4) connected to the rotor shaft, and is represented overall by 23. It may include a pump unit. To supply power to the pump motor, housing 3 It can accept a battery (not shown). Other than a battery or to a battery In addition, a power supply is used to drive one or more prime movers through the rotor shaft of the pump unit. The pump can be energized. Another example of a pump with a rotor shaft is in a U.S. patent application. This information is disclosed in Publication No. 2020 / 0352827, and the entire disclosure is referenced in this specification. It is incorporated into the text.

[0033] The pump unit 23 has a rotor (shown as 37 in total) that can be connected to the rotor shaft. The rotor 37 may have an inner disk 39, an outer disk 41, and a rotor. It may include 43 (four is preferable, but only two are shown). The inner disk 39 and the outer disk 41 are preferably in parallel planes and spaced apart from each other. The roller 43 is rotatable around the shared axis of the disks 39 and 41. It is mounted between the inner disk 39 and the outer disk 41 so as to rotate in a planetary pattern. Each roller 43 may also be parallel to the shared axis of disks 39, 41. The disk 39 rotates around the vertical axis (Figures 2 and 3) relative to disks 39 and 41. , is attached to 41. The roller 43 rotates around the axis of discs 39 and 41. When this happens, the roller 43 engages with the tube 45 (Figure 2) of the supply set 7, and the supply set When the cassette is received in set 5 and attached to housing 3, it is supplied by peristaltic engagement. Fluid is delivered to the patient through the supply set. Other numbers of rollers are also conceivable and can be implemented. Example For example, but not limited to these, five or six examples without departing from the scope of this disclosure Laura can also be used.

[0034] Roller 43 engages with the supply set 7 to move fluid through the supply set. This is possible. In the illustrated embodiment, the pump motor 27, rotor shaft, and rotor 37 are, in a broad sense, These can be considered a "pumping device". These components, individually, can be considered a "pumping device". It is possible that peristaltic pumps using mechanisms other than rollers may be included within the scope of this disclosure. This would be understood. However, other pumping devices (e.g., non-rotating devices) are also conceivable. .

[0035] When used in this specification, the portion of tube 77 of the supply set 7 leading to the rotor 37 is " This is called the "upstream" tube, while the tube 83 leading from rotor 37 to the patient is called the "downstream" tube. The rotation of the rotor 37 compresses the tube 45 of the supply set 7, supplying fluid (e.g., nutrients). The fluid is driven from the upstream side of the supply set towards the patient. Exemplary supply set 7 Although this is shown, other supply sets or other types of pump sets (not shown) are available. It can be used.

[0036] Referring to Figures 2 to 4, the monitoring system 6 (Figure 4) is connected to the supply set 7 loaded into the device. The state can be detected and identified. For example, the state of supply set 7 is that it passes through the set. The flow of the liquid, whether the set is properly attached to the pump, whether there is any blockage, and This may relate to other circumstances concerning the supply set or its operation. For example, the liquid passing through the set The flow may include a shortage or improper flow of liquid through the set. Furthermore, for example, the set If it is improperly installed in the pump, the fluid may not flow properly through the set. It has that property. Furthermore, for example, if the set is improperly attached to the pump, the tube There may be an obstruction within the tube.

[0037] Pump 1 may further include a microprocessor 62 that communicates with sensor 64. The microprocessor 62 controls and manages the operation of various components of the pump 1. This is possible. The software subsystem 66 is configured to operate on the microprocessor 62. Combined and operably coupled to the monitoring system 6, pump 1 detects the status of supply set 7. It can provide means for identifying the following. In the described embodiment, the flow monitoring system M6, software subsystem66, pump electronics68, microprocessor62 and It should be understood that memory 70 can be considered a "control circuit" in a broad sense. The components of this may individually be considered “control circuits”. Furthermore, within the scope of this disclosure, other types The control circuit of P can be used. This will be explained below with reference to Figures 15 and 16. Furthermore, control circuits can be implemented in relation to various components.

[0038] Sensor 64 may be equipped with one or more ultrasonic sensors. Sensor 64 is a pump Located in housing 3, the presence of fluid and one or more properties of the fluid in supply set 7 (e.g.) For example, it may be arranged to detect blockage of fluid in the supply set. In the illustrated embodiment, The 64 is positioned in the recess 8, and when the supply set 7 is loaded into the pump 1, the tube 45 It is adapted to reliably accept a portion of the sensor 64 in the tube of the supply set 7. To detect the presence of fluid in 45, the tube is located in the upstream and downstream portions of tube 45. It can be engaged and held within a sensor track 105 (Figure 3) configured to receive minutes. The tube 45 engages with the sensor track 105, and the rest of the supply set 7 is pumped in. When engaged with p1, the monitoring system 6 can become operational. For example, the monitoring system 6 , by receiving an acceptable signal (e.g., an ultrasonic signal) by one or more detectors or receivers When secure engagement of tube 45 within sensor track 105 is identified, the operational machine It may become possible. The sensor 64 is positioned perpendicular to the direction of the supply set 7. This is possible. For example, the sensor 64 may be positioned to read horizontally, while the supply Set 7 may be arranged to allow the fluid to flow vertically. In one aspect of the present disclosure, sensor 64 It is set at a 90-degree angle to supply set 7. As will be explained in more detail below. The tube 45 of the supply set 7 engages with the sensor track 105 and reads horizontally. Even when attempting to position the sea urchin sensor 64, the position of the tube 45 or the sensor 64 is shifted, and The sensor may provide readings that are not as intended. It may output incorrect information, such as showing an incorrect status.

[0039] In one aspect of this disclosure, the sensor 64 comprises the upstream and downstream portions of the tube 45, respectively. First sensor components 107, 109 for transmitting ultrasonic signals through, and the first sensor unit A second sensor component 107 configured to receive and detect ultrasonic signals sent from the product. It may also include 107 and 109. Ultrasonic signals from the first sensor components 107 and 109 Upon receiving, the second sensor components 107 and 109 receive the information received by the second sensor component. Based on the characteristics of the ultrasonic signal transmitted to the microprocessor 62, the tube 45 The presence of fluid can be detected. The first and second sensor components 107 and 109 are respectively Therefore, they can have the same or substantially the same sensor configuration. For example, each sensor Parts 107 and 109 may be equipped with ultrasonic crystals, thereby each sensor Depending on how the component is energized, it can be used as a transmitter to send ultrasonic signals, and It can be operated as a detector for detecting ultrasonic signals. The direction of the wave signal is not limited to a single direction between sensor components 107 and 109, but also between sensor components It can be pointed in both directions.

[0040] Sensor 64 detects the presence or absence of fluid in the tube and provides a basic table of the operating status of pump 1. It can provide an indication. The ultrasonic signals sent from sensor components 107 and 109 are tuned to the tub In response to the presence of fluid in tube 45, compare the signal when there is no fluid in the tube. The fluid inside the tube can cause an increase in the signal amplitude. Ultrasonic signals passing through a medium of air do not generate a signal at the detector. Microprocessor Based on the characteristics of the received ultrasonic signal transmitted to 62, the software subsystem 66, It is possible to determine whether or not fluid is present in the supply set 7. Other than ultrasonic sensors, Use one or more fluid properties, including viscosity, or other types of sensors to measure properties. It is possible. The flow monitoring system 6 can also, without departing from the scope of this disclosure, supply... Set 7, detects the fluid in the supply set and other states of the fluid coupled to the supply set. It is possible.

[0041] Referring to Figures 5A to 5C, the tube is distorted within the sensor track 105 in Figure 3. In some cases, errors and inaccurate readings may occur due to the signal strength of the ultrasonic sensor "US". It is possible. In one aspect of this disclosure, the tube T1 is a sensor component of the sensor US. It extends across the entire width between E and D (Figure 5A), substantially vertically within the sensor track 105 in Figure 3. They should be arranged in a perpendicular orientation. Sensor components E and D are the emitter and detector, respectively. It is considered that in this case, the ultrasonic signal S passes through the air before or after passing through tube T1. No. Therefore, the sensor reading generated by sensor US is inside tube T1. It generates expected output readings / results based on whether or not fluid is present. In this aspect of the disclosure, we assume that the sensor US is functioning correctly. In other words, the sensor The US is manufactured so that there are no gaps or air pockets on either side or inside of the E and D of the sensor US. If a gap or air pocket exists on either side or inside of E or D, tube T1 is shown in Figure 3. Even though the sensor US is positioned at a substantially vertical origin within the sensor track 105, the sensor US is fluid You may obtain incorrect or inaccurate readings regarding whether or not it exists. In other aspects of this disclosure, which are described in more detail, errors and inaccurate readings are corrected or adjusted. To do this, gaps or air pockets that introduce errors into the readings can be corrected. .

[0042] In another aspect of this disclosure, tubes T2 and / or T3 are either sensor component E or D. If the reading is biased, the sensor US reading may be inaccurate, for example, higher or lower than predicted. There is a possibility that incorrect readings may occur. In particular, tube T2 is sensor U If the signal is biased towards the emitter side E of S (Figure 5B), the signal received by detector D is in the tube This becomes stronger than when T3 is biased towards the sensor's detector side D (Figure 5C). As a result, even When tube T3 is biased toward the detector side D of sensor US, does fluid actually enter the tube? When present, the sensor reading indicates that there is no fluid in the tube (i.e., A low signal may be observed. For example, when tube T3 is biased toward detector side D, The reading of X by the sensor US may be identified. The reading of X is then used as a threshold. It can be compared to Y. If the reading X is lower than the threshold Y, the pump will flow into tube T3. If it determines that no body exists and a fluid is actually present, then, as described later, it will alert the user. This could lead to problems. This would result in wasted time and money, and a loss of user trust. This may result in incorrect readings and outputs being provided. Another aspect of this disclosure For example, when tube T2 is biased towards the emitter side E of sensor US, the sensor reading The reading may indicate the presence of fluid inside the tube (i.e., a high signal). For example When tube T2 is biased towards the emitter side E, the X reading from sensor US In some cases, this may be identified. The reading of X can then be compared to a threshold Y. If X is higher than the threshold Y, the pump determines that fluid is present in tube T2. Depending on the approach, it may be time-consuming and expensive, and may lead to a loss of user trust, or it may be the wrong approach. There is a possibility of incorrect readings and fewer outputs.

[0043] Referring to Figures 4, 6A, and 6B, which sensor component is located within the pump electronics 68? 107 and 109 act as emitters E for sending ultrasonic signals S, and which sensor component It is configured to control whether it operates as a detector D for receiving and detecting ultrasonic signals. It includes one or more switches 72. Therefore, the pump 1 controls the performance of the sensor 64. To optimize, the orientation and / or dimensions of the tube 45 of the pump set 7 are adjusted to match. It is configured as follows: One or more switches 72 are electrically connected to the sensor 64, and the electrical circuit The system is reconfigured and current is selectively applied to one of the sensor components 107 or 109, and the currented component is subjected to ultrasound. It is configured as emitter E. Therefore, the position of tube 45 in sensor track 105 Depending on the sensor components 107 and 109, pump 1 will determine which sensor components 107 and 109 are responsible for maximizing the signal strength. It operates as emitter E, and you can select which sensor component will operate as detector D. Yes, it is possible. For example, as explained below with reference to Figures 13A, 13B, and 13C, Pmp 1 is connected to emitter E or detector D to identify a higher sensor US reading. Based on switching sensor components 107 and 109 during operation, one tube Two different readings can be obtained with the orientation. As a result, pump 1 emitter The detector is pre-configured, and the position or orientation of the tube is expected to be the sensor reading in a specific situation. When changing the intake value (for example, reducing it), we address the problems that may arise with conventional pumps. (Figure 5C). For example, tube 45 is shown in Figure 6A within the sensor track 105. It can be configured to be biased in one direction. Sensor components 107 and 109 on the left side emit It operates as a dent, and the sensor components 107 and 109 on the right side operate as detectors. When the electronic device 68 is set, the sensor signal S is transmitted, in particular, through tube 45 to the sensor path. Pump 1 is calibrated to assume that it is positioned substantially vertically across the field. In total, the signal intensity is lower than expected for the given fluid conditions. However, To account for this possible misalignment of part 45, pump 1 has one or more switches Activate one of the 72, with the sensor component on the right acting as the emitter, and the sensor on the left... To enable the component to function as a detector, power should be supplied to the right-hand sensor components 107 and 109. This can be achieved (Figure 6B). As a result, the signal intensity of the ultrasonic signal S increases, and the tube moves vertically. This brings it closer to the ideal state directed towards the fluid. In this way, fluid actually enters the tube. A low signal, even if present, could mistakenly indicate that there is no fluid in tube 45. The condition is alleviated. As a result, various conditions are not affected without compromising the accuracy of supply set detection. The supply tube can be used. Also, it fits better within the sensor track. The need to compress or flatten the tube to do so is reduced. Therefore, the tube This set of processing treatments, which may compromise integrity, will be removed.

[0044] Furthermore, according to another aspect of this disclosure, the pump 1 is generated when the sensor US occurs during the manufacturing process. Conventional methods include defects (gaps, air pockets, etc.) present in the emitter or detector. Address potential problems with the pump. As mentioned above, the tube is usually directed towards emitter E. A more accurate reading can be obtained if the sensor is tilted, but sensor components 107 and 109 Defects such as air pockets and / or gaps that result in incorrect readings of signal S exist. There is a possibility that... For example, referring to Figure 6B, the sensor components 107 and 109 on the left side emit... It operates as a detector, and the sensor components 107 and 109 on the right side operate as detectors. When the electronic device 68 is set, the sensor signal S is particularly important when the tube 45 is connected to the sensor. Pump 1 is calibrated to assume that it is positioned substantially vertically across the road. In that case, the signal intensity should be expected to be lower than what would be expected for specific fluid conditions. However, as mentioned above, this possible displacement of tube 45 must be taken into consideration. Therefore, pump 1 activates one of the one or more switches 72 to activate the sensor component on the right. The left sensor component acts as the emitter, and the right sensor acts as the detector. The components 107 and 109 can be energized (Figure 6B). As a result, the ultrasonic signal S The strength is expected to increase, bringing the tube closer to the ideal state where it is oriented vertically. In one aspect of this disclosure, the manufacturing process involves a defect in the right-hand sensor component 107, 109. This introduced a large error into the signal S, resulting in a lower-than-expected outcome. Thus, the result of the tube that is usually tilted towards the emitter E is better for fluid flow. Regarding this, it provides higher and more accurate results, but in this example, the sensor part 107 on the left, 1 Based on defect 09, the left sensor components 107 and 109 act as emitters, and the right When sensor components 107 and 109 operate as detectors, the system takes the readings from... This process provides higher and more accurate results. Through this process, pump 1 determines the orientation of the tube. Regardless of the operation / configuration of sensor components 107 and 109, the highest resulting reading is selected. Select. As a result, supply tubes in various states can be selected without compromising the accuracy of supply set detection. This allows the use of sensor components with various defects. Also, within the sensor track The need to compress or flatten the tube for a better fit is reduced. Therefore, this set of processing steps, which could potentially compromise the integrity of the tube, is removed. Also, The need to test the quality control of the sensor US to obtain accurate results is reduced.

[0045] In another aspect of this disclosure, the operation of the pump 1 is synchronized with the position / orientation of the tube 45. To calibrate the SA64, the sensor calibration routine is performed (for example, each power cycle or Commands that run automatically (when a new cassette is connected) or initiated by the user It could be something that starts in response to a command. For example, referring to Figure 7, sensor calibration The routine is performed after pump 1 confirms that supply set 7 has been loaded into the pump and / or It can be started at the beginning of each supply cycle. Once the calibration routine is started... Further actions are also possible. In the first step 301, the first sensor component 1 Power is supplied to 07 and 109, and to the first sensor component and the second sensor component 107 and 109 on the opposite side. An ultrasonic signal is sent toward it. At 303, the intensity of the signal detected by the second sensor component is measured. The value is measured and stored in memory 70. At 305, power is supplied to the second sensor components 107 and 109. Next, at 307, an ultrasonic signal is sent toward the first sensor component 10 7. Measure the signal strength detected by 109 and store it in memory 70. Next 309 Then, the signal strength from the second sensor components 107 and 109 is measured by the first sensor components 107 and 109. Compare the signal strength at 311 with that of sensor components 107 and 109, which have the strongest signals. The detector of the sensor pair during the operation of pump 1 for delivering fluid to the patient through a tube. Configure it to operate as follows.

[0046] Referring to Figure 8, in another aspect of this disclosure, the ultrasonic sensor is shown as 164 in total. The sensor consists of first and second pairs of sensor components 207A, 209A and 207B, 209B Each sensor pair is configured in the same manner as the sensor components 107 and 109 described above. Furthermore, the sensor pair has sensor traps for receiving the upstream and downstream portions of the tube. It can be placed on either the upstream or downstream side of the circuit. First (upper) sensor unit In parts 207A and 209A, the sensor component on the right acts as the emitter, and the sensor part on the left... The item can be configured to operate as a detector. Second (lower) sensor component pair 2 In the 07B and 209B models, the sensor component on the left acts as the emitter, and the sensor component on the right acts as the detector. It can be configured to operate as an emitter / No switch is needed to toggle the detector function. Instead, the pump controls the sensor component. Operate both pairs 207A, 209A and 207B, 209B respectively, and set up the pump set In all decisions, the sensor pair that generates the strongest signal on the detector side of the sensor pair is selected from the sensor pair that generates the strongest signal. Sensor readings can be used. According to one aspect of this disclosure, the strongest signal is The sensor readings can be identified by comparing them to a threshold and / or each other. In addition, or instead, switch the emitter / detector function between the sensor components of a sensor pair. Therefore, one or more switches are paired with the sensor components 207A, 209A and 207B, 209 Each of them can be connected to B in an operable manner.

[0047] Referring to Figure 9, a sensor calibration routine can also be executed on sensor 164. In step 401, the sensor components 207A and 209A of the first sensor pair are energized, and the emitter An ultrasonic signal is transmitted towards the other sensor parts 207A and 209A of the pair located on the opposite side of the component. Send the number. At 403, measure the intensity of the signal detected by the detector component and store it in the pump memory. Stored in . At 405, power is supplied to the sensor components 207B and 209B of the second sensor pair, and emitter Ultrasonic waves are directed toward the other pair of sensor parts 207B and 209B located on the opposite side of the cutter part. A signal is sent. Next, at 407, the second sensor component is paired with the detector components 207B and 209B. The intensity of the detected signal is measured and stored in the pump memory. Next, at 409, the second sensor The signal strength between sensor component pair 207B and 209B is measured by the first sensor component pair 207A and 209A. Compare the signal strength between them. Sensor component 411 has the strongest signal, compared to 207A, 2 07B and 209A, and 209B are used to deliver fluid to the patient through a tube, respectively. Configure it to act as a control sensor while the pump is running. Use three or more pairs of sensors. It will become clear what is possible.

[0048] Referring to Figure 10, a pump 501 in another aspect of the present disclosure controls the flow within the pump set. Combined with an ultrasonic sensor to detect the force applied by the body, the sensor component is At least a pair of 507, a second pair of 509 sensor components, and a pressure sensor 530 are included. It may be equipped with one ultrasonic sensor 564. In one embodiment, the pressure sensor 530 is It is located downstream of the sensor track 505. In one embodiment, the pressure sensor 530 is located downstream of the sensor track It is located upstream of the buck 505. The pressure sensor 530 responds to the fluid flow in the tube. It is configured to measure the expansion of a tube within the sensor track 505. For example, The fluid flow within the tube may expand the tube by a first amount, compressing the pressure sensor 530. However, blockages in the tube can further increase the fluid pressure inside the tube. It can be greatly expanded. Therefore, detecting a pressure exceeding the first threshold is possible for the tube. It can show the fluid flow inside and detect pressure exceeding a second threshold that is higher than a first threshold. This can indicate that there is an obstruction inside the tube. The pressure sensor 530 is In addition, the presence of the supply set is detected, regardless of whether the fluid is flowing through the supply set or not. It can be configured in this way. Therefore, the pressure sensor 530 supplies the pump 501. It can detect when a battery is loaded.

[0049] The ultrasonic sensor 564 detects various states of the supply set loaded into the pump 501. It can be operated in this way. The first pair of sensors 507 is located on the upstream side of the rotor, and the second The sensor pair 509 is located on the downstream side of the rotor. The dual sensor system detects upstream blockages. It provides a function to identify downstream blockages and the state of an empty bag. For example, if a blockage occurs in the pump rotor If it occurs upstream, the fluid will be discharged from the upstream part of the tube, but downstream of the tube... No fluid is discharged from this part. In this case, pump 501 continues the fluid flow with the second sensor pair 509. It detects the fluid, but the first sensor pair 507 does not detect the fluid. This sequence occurs Then, pump 501 identifies an upstream blockage. If the bag is empty, the fluid will flow through the upstream part of the tube. It is discharged from the first part, and then from the downstream part of the tube. In this case, pump 501 first The fluid is detected by both sensors 507 and 509. Then the pump 501 is turned on when the fluid is second It is detected by the downstream sensor pair 509, but not by the first sensor pair 507. Observe the period. Finally, pump 501 detects the fluid in either sensor 507 or 509. Do not dispense. In this case, an empty bag error may occur. If a blockage occurs downstream, The downstream portion of the tube is enlarged, improving the signal conductivity of the second sensor pair 509 through the fluid. In this case, pump 501 detects a significant increase in the sensor signal in the second pair of sensors, which is This is interpreted as a downstream blockage. Therefore, pump 501 detects the blockage in real time. Possesses the ability.

[0050] Furthermore, pump 501 indicates that the supply set is not installed in the pump. To detect a first pressure P1 within a first pressure range measured by the pressure sensor 530. It can be configured as follows. Pump 501 has a supply set installed in the pump, but the flow To indicate that the body is not flowing through the supply set, the pressure sensor 530 measures The pump can be configured to detect a second pressure P2 within a second range. The pump has a supply set installed, and fluid is present in the supply set, but it is not flowing. To demonstrate this, the third pressure P3 within the third range measured by the pressure sensor 530 is detected. It can be configured to dispense. Pump 501 has a supply set installed on the pump. To indicate that the fluid is flowing through the supply set, the pressure sensor 530 measures It can be configured to detect a fourth pressure P4 within a defined fourth range.

[0051] The fluid pressure P3 and fluid flow pressure P4 inside the tube are monitored to detect blockages in the tube. It is also possible to determine whether or not it exists. For example, when delivering fluid through a supply set. During the operation of pump 501, the pressure in the supply set rises from the range of P3 to the range of P4. Possible. During the normal operation of pump 501, pumps deliver fluid through the supply set. When the pump stops operating, the pressure drops from the P4 range to the P3 range. The supply set is blocked. If present, the pressure will remain in the P4 range even after pump 501 is stopped. However, this Pressure profiles can occur even when no blockage is present. This is due to the fluid flow. This pressure P4 is based on the characteristics of the tube and the characteristics of the fluid pumped through the tube. This is because the fluid concentration, viscosity, tube size, and other characteristics are important. Therefore, the pressure P4 of the fluid flow may change. Consequently, the fluid concentration and viscosity Depending on the degree and / or size of the tube, the fluid flow through the tube may actually be blocked. When not, the pressure rises to a level that indicates blockage (i.e., within the P4 range). It is possible. Furthermore, the fluid properties of the nutrient solution flowing through the supply set also affect the bubbles in the liquid and Because solid particles can alter the signal reading and lead to erroneous readings, This may affect the readings from the sound wave sensor 564.

[0052] By using the pressure sensor 530 in combination with the ultrasonic sensor 564, the sensors After the initial display is made by one, the presence of fluid in the tube is verified and the tube is closed This can provide verification of the presence of a blockage. For example, the ultrasonic sensor 564 can provide a chute. It can be operated to determine whether or not fluid is present in the tube. The ultrasonic sensor 564 indicates the presence of fluid based on sensor readings exceeding a certain threshold. In this case, the first indication of the fluid inside the tube can be made. Following this first indication, the pressure The force sensor 530 operates to measure the force applied to the pressure sensor by the tube. It can be done. When a pressure reading of P2 or P3 is measured, the pressure sensor 530 The presence of fluid inside the tube can be confirmed by this. Pump 501 uses an ultrasonic sensor. In response to the initial fluid detection by the 564, or when the pressure sensor 530 detects that there is fluid in the tube Correction messages or alerts can only be provided after their existence has been confirmed. .

[0053] More specifically, the pump 501 is configured to perform a fluid detection routine (Figure 11). Therefore, in 601, the ultrasonic sensor 564 is used to determine the state of the supply set. It operates by sending an ultrasonic signal through a portion of the tube. The sensor reading is predetermined If the threshold is exceeded, the pump will first indicate that fluid is present in the tube at 603. Provides a display. If the sensor reading is below a predetermined threshold, the pump 501 will... 05 provides an indication that there is no fluid in the tube. The system 603 If it is determined that fluid is present in the tube, the verification subroutine V is started. In the 607, the pressure sensor 530 operates to measure force in the downstream portion of the tube. If the measured force exceeds a predetermined threshold, the pump will shut down if there is fluid in the tube. Confirm that it is present. The pump will then alert that fluid is present in the tube. It can be stored in memory or by dragging it. If the measured force is below a predetermined threshold, At 611, the initial fluid detection indicator is not confirmed. The pump restarts the fluid detection routine. or to provide an alert that it was not possible to detect the fluid inside the tube. This is possible. Therefore, the pump 501, through a series of steps, processes the fluid in the supply set. The initial display of presence and a secondary table using sensor readings from two different sensor types. It is configured to provide indication / confirmation.

[0054] Similarly, blockage detection involves first activating the pressure sensor 530 to detect force on the downstream side of the tube. This can be done by measuring the force profile of the pressure sensor 530 that matches the blockage. (For example, the pressure increase from the range P3 to the range P4 during the operation of pump 501, pump If the pressure remaining in the P4 range after being stopped for a certain period of time is measured, the first blockage detection The pump 501 then activates the pressure sensor 530 to perform the first closing. This can provide verification of blockage detection. The readings from the ultrasonic sensor 564 also indicate the presence of blockage. If it indicates that it is present, the initial blockage detection is confirmed. Pump 501 pressure sensor 53 It can only be used after the initial blockage detection by 0, or after confirmation detection by the ultrasonic sensor 564. It can alert users to blockages.

[0055] More specifically, the pump 501 is configured to perform an occlusion detection routine (Figure 12). Therefore, in 701, the pressure sensor 530 delivers fluid through the tube. The pressure sensor 53 operates to measure force in the downstream portion of the tube while the pump is running. 0 rises above a predetermined threshold during the operation of the pump 501 for delivering fluid, and then If the pump detects that the pressure inside the tube remains high even after the pump has stopped, the pump will... In step 03, the pressure sensor 530 provides the initial indication that an obstruction exists in the tube. , remain below a predetermined threshold or a predetermined threshold during the operation of the pump 501 for delivering fluid If a pressure is detected that rises above a certain value but drops below a predetermined threshold when the pump stops, The pump, at 705, provides an indication that there is no blockage in the tube. The system is 70 If step 3 determines that an obstruction exists in the tube, verification subroutine V is started. During the verification routine, at step 707, the ultrasonic sensor sends an ultrasonic signal through a portion of the tube. It operates in the following way. Sensor readings exceeding a predetermined threshold are detected by the ultrasonic sensor 564. If this occurs, pump 501 will confirm that there is an obstruction in the tube at 709. Pump 501 then alerts if there is an obstruction in the tube or in memory It can be saved. The signal reading from the ultrasonic sensor 564 is below a predetermined threshold. In some cases, the initial blockage detection indicator is not seen in 711. Pump 501 is blockage detection Provides an alert if it was not possible to restart the process or indicate an obstruction. It is possible.

[0056] In one aspect of this disclosure, the alert may be visual, auditory, or a combination thereof. This is possible. Visual alerts are provided to the user via the display screen 9 (Figure 1) and / or LED 13. It can be provided, and auditory alerts can be delivered to the user by a speaker. This is possible. Alerts are provided to users to fix, resolve, or adjust system problems. It is possible.

[0057] Looking at Figures 13A to 13C, we can see the strain received within the sensor track in Figures 6A and 6B. Sample results related to an illustrative diagram of a solder tube are shown. Specifically, Figure 13 A reads the signal S from sensor US by switching between the emitter side and the detector side. This shows the 10 separate tests that were executed, each with a different value. For example, run 1 starts with... It provides an emitter operating on the left side of the tube and a detector operating on the right side of the tube, with a value of 358. This is obtained. Execution 1 then switches the operation of sensor US and moves the emitter on the right side of the tube. The detector was operated on the left side of the tube, and a value of 494 was obtained. Based on the obtained result... Therefore, the higher value of 494 is adopted by the system, and it is determined that fluid is flowing through the tube. It is determined. Furthermore, as described above, the emitter on the right side of the tube and the detector on the left side of the tube Due to the higher value, the tube moves to the right side of the tube track, as shown in Figure 5C, for example. A bias is confirmed. Executions 2-10 are performed using the same procedure. Executions 2, 3, 6 and Regarding point 8, the tube is biased to the right side of the tube track where the working emitter is located. It can be inferred that... For executions 4, 5, 7, 9 and 10, the tube operates... It can be inferred that the emitter is biased towards the left side of the tube track. Figure 1 3B shows the results of Figure 13A in a graph.

[0058] Figure 13C shows that the value obtained by signal S is also compared with a threshold. According to one embodiment, the reading obtained by the sensor US is considered a usable value. Before that, at least a minimum threshold, for example 74, must be met. For example, both runs 3 If a value less than 74 is obtained, the system immediately determines that a problem has occurred. To determine.

[0059] The threshold takes into account the materials of the tube and sensor US, as well as the fluid passing through the tube. Therefore, it can be set / determined during the manufacturing stage or during operation.

[0060] Referring to Figures 14A, 14B, 14C, 14D, 14E, and 14F, Figure 5 An example of a tube received in the sensor track according to Figures A, 5B, 5C and 8. The relevant sample results are shown in the figures. Figures 14A to 14F show the exact readings. This demonstrates the robustness of the system for obtaining the solution and the robustness of the system as a whole. For example, one aspect of this disclosure According to Figures 14A and 14B, the tube is properly placed inside the tube track ( Executions 1-5 are performed when (the mind) is present. Furthermore, executions 1-5 are related to Figure 8 above As described above, this is done according to the positions A and B of the two sensors. In this example, Because the tube is in the center of the tube track, either side of the sensor US is either the emitter or the detection side. Whether it is configured to function as a device is irrelevant. (See Figures 14A and 14B) Thus, the tube is obtained from two US positions with the tube centered within the tube track. The maximum value is 805. Furthermore, according to another aspect of this disclosure, Figures 14C and 14D When you look at it, when the tube is biased towards the emitter side within the tube track, executions 1-5 occur. It is being carried out. As described above, executions 1-5 are two U as described above in relation to Figure 8. This is done according to positions A and B. As shown in Figures 14C and 14D, the tube The maximum value obtained from two US positions when biased towards the emitter side within the tube track. It is 1235. Furthermore, according to another aspect of this disclosure, if we look at Figures 14E and 14F Executions 1-5 are performed when the tube is biased towards the detector side within the tube track. As described above, executions 1-5 involve the two sensors US position as described above in relation to Figure 8. This is done according to positions A and B. As shown in Figures 14E and 14F, the tube is Maximum value obtained from the two sensor US positions when biased towards the detector side within the track. It is 891. These results indicate that when the tube is biased towards the US emitter side This confirms that higher and more accurate readings can be obtained.

[0061] A part of this disclosure is a program run by one or more computers or other devices. It can be explained in the general context of computer executable instructions such as RAM modules. A computer executable instruction can perform a specific task or a specific abstract data type. This includes routines, programs, objects, components, and data structures that implement it. However, this does not apply to one or more computer executable components or modules. It can be organized into a roulette. A part of this disclosure is an example of such a roulette with any number and organization. It can be implemented as a set or module. For example, aspects of this disclosure are described herein. The specific computer executable instructions or specific components or models shown and explained in the diagram. Not limited to Joules. Other aspects of this disclosure include more than those illustrated and described or This may include various computer executable instructions or components with limited functionality.

[0062] Furthermore, the sequence of execution or performance of the actions in the embodiments of this disclosure illustrated or described herein Unless otherwise specified, this is not required. In other words, unless otherwise specified, the operation is optional. The actions can be performed in sequence, and aspects of this disclosure include additional actions or those disclosed herein. It may include fewer actions. For example, one action before another, or simultaneously with another. Performing or carrying out such actions after, or after, another action is considered to be within the scope of the embodiments of this disclosure. ru.

[0063] During operation, the microprocessor 62 performs actions as shown in the figure to carry out an embodiment of the present disclosure. Executes computer executable instructions. A part of this disclosure is connected via a communication network. Even in a distributed computing environment where tasks are performed by remotely processed devices. It can be implemented. In a distributed computing environment, program modules are This involves placing the data on both local and remote computer storage media, including Mori storage devices. It is possible.

[0064] The embodiments of this disclosure can be implemented using hardware, software, or a combination thereof. This can be done by implementing it on one or more computer systems or other processing systems. This is possible. In one aspect of this disclosure, the features are capable of performing the functions described herein. It is directed towards one or more computer systems. An example of Mu1500 is shown in Figure 15.

[0065] Computer system 1500 has one or more processors, such as processor 1504. Includes. Processor 1504 is a communication infrastructure 1506 (e.g., a communication bus, It connects to a crossover bar or network. It runs various software programs. This will be explained using this example computer system. After reading this explanation, you can use other computers... How to implement this disclosure using the system and / or architecture is relevant. This will become clear to the contractors.

[0066] The computer system 400 uses a communication infrastructure to display information on the display device 1530. Graphics from Structure 1506 (or from a frame buffer not shown) It can include a display interface 1502 for transferring text and other data. The computer system 1500 also has main memory 1508, preferably random It includes access memory (RAM) and can also include secondary memory 1510. Secondary memory 1 510 is, for example, a hard disk drive 1512 and / or a floppy disk drive Live, magnetic tape drive, optical disc drive, Universal Serial Bus (USB) ) Includes removable storage drive 1514, which represents flash drives, etc. It is possible. The removable storage drive 1514 is a removable storage drive in a well-known way. Readout from storage unit 1518 and / or removable storage unit 15 Write to 18. Removable storage unit 1518 is removable Floppy disks, read and written by the Treasure Drive 1514, This refers to magnetic tapes, optical discs, USB flash drives, etc. To make it understandable, The movable storage unit 1518 stores computer software and / or data. Includes a storage medium usable by a computer that stores it.

[0067] Alternative implementations of this disclosure may include a secondary memory 1510 and a computer program Other to enable loading RAM or other instructions into the computer system 1500 This may include devices similar to the above. Such devices may include, for example, removable devices. It may include a storage unit 1522 and an interface 1520. Examples include program cartridges and cartridge interfaces (video game devices). (Such as those found in), removable memory chips (erasable programmable read / reset memory chips) (such as dedicated memory (EPROM) or programmable read-only memory (PROM) and Related sockets, software, and data are stored in a removable storage unit 152. Other removable storage devices that can be transferred from 2 to computer system 1500 It may include the unit 1522 and interface 1520.

[0068] The computer system 1500 may also include a communication interface 1524. The communication interface 1524 allows the computer system 1500 and external devices to communicate. This enables the transfer of software and data between them. Communication interface 1524 Examples include modems and network interfaces (such as Ethernet® cards). Communication port, Personal Computer Memory Card International Association (PCMCIA) slot and may include cards, etc. Software transferred via communication interface 1524 A and data are in the form of signal 1528, and signal 1528 is an electronic signal, electromagnetic signal, optical signal These could be numbers, or other signals receivable by the communication interface 1524. Signal 1528 is transmitted via communication path (e.g., channel) 1526 to communication interface 1 Provided to 524. This path 1526 transmits signal 1528 via wire or cable. Fiber optics, telephone lines, cellular links, radio frequency (RF) links and / or other communications This can be achieved using a communication channel. In this specification, "computer program medium" is used. The terms "body" and "computer-usable medium" refer to removable storage units. The hard disk installed on hard disk drive 1512, And it is used to generally refer to media such as signal 1528. These computer pieces The program product provides software to computer system 1500. The application applies to such computer program products.

[0069] Computer programs (also called computer control logic) are stored in main memory. It is stored in 1508 and / or secondary memory 1510. The computer program also Such computer programs can be received via communication interface 1524. When executed, the computer system 1500 will operate as described herein. To enable the function to be performed in accordance with the implementation of the disclosure. In particular, computer programs When executed, it enables the processor 1504 to perform functions in accordance with the implementation of this disclosure. Therefore, such a computer program will be used on computer system 150. This represents controller 0.

[0070] In one aspect of this disclosure in which the disclosure is carried out using software, the software is a computer Stored in the computer program product, removable storage drive 1514, hard drive Using live interface 1512 or communication interface 1520, the computer system 150 It is loaded into 0. The control logic (software) is executed by processor 1504. This causes the processor 1504 to perform the functions described herein. In this embodiment, the system includes hardware such as application-specific integrated circuits (ASICs). It is primarily implemented in hardware using components. The implementation of a hardware state machine for performing this operation will be obvious to those skilled in the art.

[0071] Figure 16 is a block diagram of various exemplary system components according to aspects of this disclosure. Yes. Figure 16 shows one or more accessors 1660 (one or more "users" without distinction in this specification). This refers to a communication system 1600 that includes one or more terminals 1642 (also known as "terminal 1"). 642 may include the aforementioned systems 100 and / or 200, or related systems, etc. In one embodiment, data for use in accordance with the embodiments described herein may be, for example, Network 1644 such as the Internet or intranet, and coupling 1 Through the 645, 1646, and 1664, PCs, minicomputers, and mainframe computers... Computer, microcomputer, or processor and repository and / or data Other devices such as server 1643 that have a connection to the repository for data are coupled to server 1643, Personal computer (PC), minicomputer, mainframe computer, Microcomputer, telephone device, or personal digital assistant ("PDA") and RFID reader Wired / wireless devices such as darts (e.g., handheld, mobile, cabinet, etc.) It may be input and / or accessed by the accessor 1660 via terminal 1642 such as a smartphone. Couplings 1645, 1646, and 1664 are for wired, wireless, or fiber optic links. This may include methods and systems according to embodiments described herein. M operates in a standalone environment, such as a single terminal.

[0072] The embodiments described herein also include a computer that stores computer executable instructions. This can be explained and implemented in relation to a computer-readable storage medium. A computer-readable storage medium is Including computer storage media and communication media, flash memory drives, digital multipurpose devices. Discs (DVDs), compact discs (CDs), floppy disks, and tape cartridges It can be a set. Computer-readable storage media are computer-readable instructions, data Any method or technique for storing information such as data structures, modules, or other data. It may include volatile and non-volatile, removable and non-removable media. Cut.

[0073] The embodiments described herein are explained in conjunction with the exemplary embodiments outlined above. , whether known, currently unforeseen, or currently unforeseeable, Substitutes, modifications, alterations, improvements, and / or substantially equivalents are available to at least those skilled in the art. This may become clear. Therefore, the above exemplary embodiments are illustrative, not limiting. This is intended to be the case. Various changes may be made without deviating from the intent and scope of this disclosure. Therefore, this disclosure does not affect all known or subsequently developed alternatives, modifications, etc. This is intended to include objects, modified objects, improved objects, and / or substantially equivalent objects.

[0074] Therefore, the claims are intended to be limited to the embodiments shown herein. It should not be limited to a specific item, but rather should be given the entire scope that matches the wording of the claims. Unless otherwise specified, references to singular elements are not "only one", but rather " It is intended to mean "one or more." Known to those skilled in the art, or known later. This includes all structural and structural elements of the various aspects described throughout this disclosure. Functional equivalents are expressly incorporated herein by reference and in the claims. It is intended to be included. Furthermore, what is disclosed herein is particularly intended to be included. Whether or not it is explicitly stated in the claims, it is intended to be made available to the public. This is not an illustration. The elements of the claim are explicitly stated using the phrase "means". Unless otherwise specified, it should not be interpreted as a means plus function.

[0075] The specific order or hierarchy of the disclosed process / flowchart is illustrative of the approach. It is understood to be an explanation. Based on design preferences, specific processes / flowcharts. It is understood that the order or hierarchy can be rearranged. Furthermore, several features / s Steps may be combined or omitted. The appended method claims set forth the elements of various features / steps in the order of the samples and are not meant to be limited to the particular order or hierarchy shown.

[0076] Furthermore, the term "example" is used herein to mean "an example, an actual example , or serving as an illustration." Any aspect described herein as an "example" should not necessarily be construed as being more preferred or advantageous than other aspects. Unless otherwise specified, "some" refers to one or more. "At least one of A, B, or C", "at least one of A, B, and C", "A, B, C, or combinations thereof", etc. include any combination of A, B, and / or C, and may include multiple A's, multiple B's, or multiple C's. Specifically, "at least one of A, B, or C", "at least one of A, B, and C", "A, B, C, or combinations thereof", etc. can be only A, only B, only C, A and B, A and C, B and C, or A and B and C, and such combinations can include one or more members of A, B, or C. What is disclosed herein is not intended to be made available to the public, whether or not such disclosure is expressly recited in the claims.​

Claims

1. A flow control device, A housing configured to receive a supply set, A pump device configured to generate fluid flow within the aforementioned supply set, An ultrasonic sensor configured to generate a sensor signal indicating the state of the supply set based on a first ultrasonic signal or a second ultrasonic signal, wherein the ultrasonic sensor comprises a plurality of pairs of sensor components, each pair of sensor components comprising a plurality of sensor components, and the ultrasonic sensor is further configured to send the first ultrasonic signal from a first pair of emitter components of the plurality of sensor component pairs to a first pair of detector components of the plurality of sensor component pairs in a first direction through a portion of the supply set, and to send the second ultrasonic signal from a second pair of emitter components of the plurality of sensor component pairs to a second pair of detector components of the plurality of sensor component pairs in a second direction opposite to the first direction through a portion of the supply set, wherein the sensor signal is generated based on the stronger signal of the first ultrasonic signal and the second ultrasonic signal, A control circuit that communicates with the ultrasonic sensor and is configured to receive a sensor signal from the ultrasonic sensor indicating the status of the supply set, A flow control device equipped with the following features.

2. The aforementioned control circuit is A first sensor configuration in which a first pair of sensor components among the plurality of sensor components sends the first ultrasonic signal in the first direction, and a second pair of sensor components among the plurality of sensor components sends the second ultrasonic signal in the second direction opposite to the first direction, A second sensor configuration in which a second pair of sensor components among the plurality of sensor components sends the first ultrasonic signal in the first direction, and a second pair of sensor components among the plurality of sensor components sends the second ultrasonic signal in the second direction opposite to the first direction. A flow control device according to claim 1, configured to switch between the following.

3. The flow control device according to claim 2, further comprising a switch connected to the ultrasonic sensor for switching between the first sensor configuration and the second sensor configuration.

4. The flow control device according to claim 1, wherein the plurality of pairs of sensor components are selectively arranged on the upstream side of the sensor track for receiving the upstream portion of the supply set, on the downstream side of the sensor track for receiving the downstream portion of the supply set, or on both the upstream and downstream sides of the sensor track for receiving both the upstream and downstream portions of the supply set.

5. The flow control device according to claim 1, wherein the pump device operates the plurality of sensor component pairs simultaneously.

6. The flow control device according to claim 1, further comprising one or more switches operably connected to the ultrasonic sensor for switching between the first direction and the second direction.

7. The flow control device according to claim 5, wherein a portion of the supply set is a tube.

8. The flow control device according to claim 1, wherein the plurality of sensor component pairs further comprises one or more sensor component pairs other than the first and second sensor component pairs.

9. The flow control device according to claim 1, wherein the state of the supply set indicates at least one of the following: blockage of the fluid flow in the supply set, the supply set being improperly installed in the housing, the supply set being empty, and the fluid flow in the supply set operating normally.

10. A method for operating a flow control device, Sending a first ultrasonic signal in a first direction from the emitter component of the first pair of sensor component pairs to the detector component through a part of the pump set, Sending a second ultrasonic signal from the emitter component of the second pair of sensor component pairs to the detector component through a portion of the pump set in a second direction opposite to the first direction, The first ultrasonic signal is detected to identify the first sensor reading, The second ultrasonic signal is detected to determine the second sensor reading, The amplitude of the first sensor reading is compared with the amplitude of the second sensor reading, The state of the pump set is detected based on the larger of the amplitudes of the first sensor reading and the second sensor reading. A method that includes this.

11. This further includes switching between a first sensor configuration and a second sensor configuration. In the first sensor configuration, the first pair of sensor components among the plurality of sensor component pairs sends the first ultrasonic signal in the first direction, and the second pair of sensor components among the plurality of sensor component pairs sends the second ultrasonic signal in the second direction opposite to the first direction. The method according to claim 10, wherein in the second sensor configuration, the second pair of sensor components among the plurality of pairs of sensor components sends the first ultrasonic signal in the first direction, and the first pair of sensor components among the plurality of pairs of sensor components sends the second ultrasonic signal in the second direction opposite to the first direction.

12. The method according to claim 11, further comprising switching between the first sensor configuration and the second sensor configuration using switches operably connected to the plurality of sensor component pairs.

13. The method according to claim 10, which includes operating the plurality of sensor component pairs simultaneously.

14. The method according to claim 10, wherein a portion of the pump set is a tube, and the flow control device supplies fluid to the user.

15. The method according to claim 14, wherein the state of the pump set indicates at least one of the following: blockage of the fluid flow in the tube, improper installation of the fluid in the pump set, depletion of the fluid for the user, and proper operation of the fluid flow in the pump set.

16. A flow control device, Memory and At least one processor coupled with the memory, A first ultrasonic signal is sent from the emitter component of the first pair of sensor component pairs to the detector component through a portion of the pump set in a first direction. A second ultrasonic signal is sent from the emitter component of the second pair of the plurality of sensor component pairs to the detector component through a portion of the pump set in a second direction opposite to the first direction. The first ultrasonic signal is detected to identify the first sensor reading, The second ultrasonic signal is detected to identify the second sensor reading, The amplitude of the first sensor reading is compared with the amplitude of the second sensor reading. The state of the pump set is detected based on the larger of the amplitudes of the first sensor reading and the second sensor reading. At least one processor configured as follows and A flow control device equipped with the following features.

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