Automatic fascia pressure measuring instrument and disposable consumable thereof
By designing an automatic fascial pressure measuring instrument, using disposable consumables and electronic pressure sensors, accurate fascial compartment pressure measurement is achieved, solving the problems of large errors and cross-infection in existing equipment, improving the accuracy and safety of measurement, and making it applicable to multiple medical fields.
Patent Information
- Application Number
- CN202511639730.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-11
- Publication Date
- 2026-02-13
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing fascial pressure measurement equipment is complex to operate, has large measurement errors, low reliability, and reusable consumables pose a risk of cross-infection, failing to meet clinical needs for accurate measurement and hygiene safety.
An automatic fascia pressure measuring instrument was designed. It uses disposable consumables, combines an electronic pressure sensor and a push syringe, and is equipped with an LCD display and microcontroller control to achieve automatic error correction and easy operation. The use of disposable consumables avoids cross-infection.
It achieves measurement error control within ±2.5%, ensuring measurement accuracy and reliability, reducing the complexity of manual operation, meeting health and safety requirements, and is applicable to fields such as compartment syndrome, trauma orthopedics, sports medicine, and rehabilitation medicine.
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Figure CN121512489A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of medical technology, specifically to an automatic fascia pressure measuring instrument and its disposable consumables. Background Technology
[0002] Fascial pressure measuring instrument: used to accurately measure the pressure in the fascia chambers of the human body. It is widely used in orthopedics, trauma medicine, sports medicine and rehabilitation medicine. The measuring instrument includes a main unit and disposable consumables. The main unit is responsible for control and display.
[0003] The "Automatic Fascial Compression Measuring Instrument" disclosed in application number "CN200810169953.5" is also an increasingly mature technology. It describes the invention as "an automatic device for measuring fascial compartment pressure. It belongs to the mechatronics industry and relates to the fields of mechanical automation and measurement and control. This instrument consists of the following parts: ① a uniform injection device ② a pressure transmission device ③ a display and control section ④ a housing and power supply. When the fluid flow rate is very low, the pressure at each port of the three-way valve in the pressure transmission device is approximately equal, and the pressure at both ends of the air column at the sensor end is equal, while the..." The measurement error depends on factors such as liquid flow rate, tubing material, length, diameter, and height. This error can be calculated by the measurement and control unit, and the actual pressure value can be obtained through the difference method. The uniform injection device is a component that ensures pressure balance and low flow rate. Because the air column at the sensor end prevents liquid contamination, it ensures the aseptic requirements of the measurement process. This instrument uses a microcontroller to control the coordinated operation of various components to accurately measure compartment pressure. This invention is mainly used for the diagnosis of compartment syndrome in orthopedic trauma, thus serving as an indicator for deciding whether to perform decompression surgery. In addition, the following points are also disagreeable: 1) Compartment syndrome is a serious clinical emergency, commonly occurring in the forearm and lower leg. If not diagnosed and treated promptly, it can lead to muscle necrosis, nerve damage, and even amputation. Traditional diagnostic methods rely primarily on clinical manifestations, such as the "6P" sign, but these manifestations are highly subjective and easily influenced by various factors, leading to misdiagnosis and missed diagnosis. Existing fascial compression measurement equipment suffers from problems such as complex operation, large measurement errors, and low reliability. Furthermore, reusable consumables pose a risk of cross-infection, failing to meet clinical needs for accurate measurement and hygiene safety. 2) Traditional structures are prone to cross-infection after repeated use. The design is not reasonable enough and does not have disposable consumables, including syringes, connecting tubes and needles, which can be discarded after use to avoid cross-infection. Summary of the Invention
[0004] The purpose of this invention is to provide an automatic fascia compression measuring instrument and its disposable consumables to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention provides the following technical solution: an automatic fascia pressure measuring instrument, comprising a measuring mechanism, the measuring mechanism comprising a protective shell, a detection seat being provided in the middle of the protective shell, a connecting sleeve being provided in the middle of the detection seat, an access base being horizontally mounted in the middle of the connecting sleeve, a conical cover being provided at the end of the access base, and a liquid outlet being provided in the middle of the conical cover; The side wall of the connecting sleeve is provided with a syringe connection mechanism; The syringe connection mechanism includes a connection hole installed on the side wall of the connecting sleeve, the side wall of the connection hole being connected to a threaded connection tube, and the back of the threaded connection tube being connected to a disposable consumable mechanism.
[0006] As a preferred embodiment of the present invention: a square slot is provided in the middle of the protective shell, a circuit board is provided in the middle of the slot, a motor base is provided in the middle of the circuit board, a drive motor is provided at the top center of the motor base, a drive shaft is connected to the output end of the drive motor, an eccentric wheel is driven on the surface of the drive shaft, and a connecting support rod is connected to the middle of the end of the eccentric wheel.
[0007] As a preferred embodiment of the present invention: a pressure sensor is provided at the end of the connecting strut, a connecting rod is provided at the end of the pressure sensor, a conical head is provided at the end of the connecting rod, the detection end of the conical head is sensingly connected to the back of the connecting sleeve, and a reset mechanism is also provided on the back side of the pressure sensor. The reset mechanism includes several electronic error calibration heads installed at the bottom of the pressure sensor. The ends of the several electronic error calibration heads are slidably interposed in corresponding concave interposed tracks. The bottom of the concave interposed tracks is soldered to the surface of the circuit board via a reset chip.
[0008] As a preferred embodiment of the present invention: a microcontroller is also provided in the center of the back of the circuit board, and solder pins are provided around the microcontroller. A plurality of A / D converters for performing analysis are arranged sequentially on the surface of the circuit board. Capacitors are provided on the sides of the A / D converters, and adjustment sockets are provided on the surface of the capacitors.
[0009] As a preferred embodiment of the present invention: the side of the circuit board is further provided with an instruction set controller, the side of the instruction set controller is provided with a button control base, the side of the circuit board is further provided with a battery power supply connector, the side wall of the battery power supply connector is provided with a plurality of battery boxes, the middle of the box of the plurality of battery boxes is sequentially embedded with a plurality of battery slots, one side of the slot of the plurality of battery slots is provided with a battery power-conducting substrate, and the battery power-conducting substrates are respectively elastically engaged with both ends of a disposable large-size medical battery.
[0010] As a preferred embodiment of the present invention: the end of the circuit board is further provided with an alarm mechanism, the alarm mechanism includes a flexible circuit board installed in the middle of the side wall of the A / D converter, a buzzer placement box is provided on the side of the flexible circuit board, a plurality of buzzers are arranged sequentially on the surface of the buzzer placement box, and a placement cover is provided at the top center of the buzzer placement box. The protective shell has a telescopic cylinder on its side wall, a telescopic connecting rod at one end of the telescopic cylinder, a connecting rod on the side wall of the telescopic connecting rod, a connecting block on the side wall of the connecting rod, and a pushing paddle on the side wall of the connecting block. The side wall of the pushing paddle is slidably connected to the side wall of the protective shell.
[0011] As a preferred embodiment of the present invention: a control mechanism is provided on the top surface of the protective shell; The control mechanism includes a drive roller shaft disposed on the top surface of the protective housing. A control box is disposed on the surface of the drive roller shaft. An LCD display is disposed on the surface of the control box. The bottom of the LCD display is sensed by one end of a flexible ribbon cable. The bottom end of the flexible ribbon cable passes through the protective housing and is soldered to the integrated graphics module embedded on the surface of the circuit board.
[0012] As a preferred embodiment of the present invention: a physical button controller is also installed on the back of the control box, and a plurality of pressing buttons are sequentially opened on the surface of the physical button controller, and the bottom of the plurality of pressing buttons is connected to the button circuit board for trigger control. The physical button controller has a connecting plate on its central surface, and control buttons are evenly arranged in a cross shape on the edge of the connecting plate. Several adjustment knobs are arranged sequentially on the back of the physical button controller. The physical button controller has a handle attached to its back.
[0013] A disposable consumable for an automatic fascia pressure measuring instrument, comprising the aforementioned automatic fascia pressure measuring instrument. The disposable consumable mechanism also includes a threaded pipe connection provided on the side wall of the threaded connecting pipe, a connecting pipe on the side wall of the threaded connecting pipe, one end of the connecting pipe being connected to a disposable connecting pipe, and an injector socket being movably connected to the end of the disposable connecting pipe, the injector socket having a circular opening at the top center of the top, the top center of the circular opening being connected to a syringe insertion hole, a syringe being connected to the top of the syringe insertion hole via a threaded pipe, the top end of the syringe having a sliding plug cavity, and the top center of the sliding plug cavity having a telescopic push rod, the telescopic end of the telescopic push rod being telescopically connected to the syringe tube.
[0014] As a preferred embodiment of the present invention: the end of the outlet hole is connected to a tapered connector, one end of the tapered connector is connected to an infusion tubing, and the end of the infusion tubing is provided with a puncture needle.
[0015] Compared with the prior art, the beneficial effects of the present invention are: 1) Accurate Measurement: The electronic pressure sensor and the push syringe are used to measure the precise pressure of the liquid water during push. Combined with the push cylinder that can automatically adjust the error, the automatic error correction ensures that the pressure is always within the normal range during the test. It can accurately measure the pressure in the fascia chamber, and the measurement error is controlled within ±2.5%, providing doctors with reliable diagnostic information. It is available in both automatic and manual modes. After the telescopic cylinder extends and retracts, it moves along the telescopic connecting rod and the connecting block with the push lever. This balanced and slow movement of the syringe push rod is simple to operate. 2) The equipment is equipped with a simple operating interface on an LCD display, allowing users to easily view specific functions on the color screen. Integrated control buttons and a control box store the core components. The electronic error calibration head, driven by a motor, slides along a concave interlacing track surface to achieve fine-tuning of pressure measurements. Furthermore, the A / D converter, instruction set controller, and capacitor store preset programs, easily coordinating the operation of various mechanical detection structures. Measurement can be started with a single button. The pressure sensor, combined with the core control of a microcontroller, enables automated mechanical operation, automatically completing steps such as venting, liquid injection, and pressure measurement. This reduces the complexity of manual operation and reliance on operator skills, ensuring convenient and reliable measurement data. The main unit adopts advanced microcontroller control technology, with tight connections between components, capable of withstanding a maximum pressure difference of 75 kPa for 5 minutes, ensuring stable operation of the equipment in various environments and extending its service life. 3) Disposable consumable tubing, connecting tubing, disposable connector tubing, injector socket, circular opening, syringe insertion hole, and syringe are used for replacement after use, ensuring hygiene and safety: The use of disposable consumables avoids the risk of cross-infection, meets the requirements of modern medical hygiene and safety, protects the health of patients, and has a wide range of applications. It can be used not only for the diagnosis and postoperative monitoring of compartment syndrome, but also in the fields of trauma orthopedics, sports medicine, and rehabilitation medicine to assess fractures, crush injuries, muscle fatigue, and injuries, and has broad application value. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is one of the structural schematic diagrams of the present invention; Figure 3 This is a schematic diagram of the syringe structure of the present invention; Figure 4 This is a schematic diagram of the end face view structure of the present invention; Figure 5This is a schematic diagram of the disposable consumable mechanism of the present invention; Figure 6 This is a schematic diagram of the protective outer shell structure of the present invention; Figure 7 This is a schematic diagram of the side structure of the present invention; Figure 8 This is a schematic diagram of the grip handle structure of the present invention; Figure 9 This is a schematic diagram of the access base structure of the present invention; Figure 10 This is a schematic diagram of the control button structure of the present invention; Figure 11 This is a schematic diagram of the pusher structure of the present invention; Figure 12 This is a schematic diagram of the connecting pipe structure of the present invention; Figure 13 This is a schematic diagram of the circuit board structure of the present invention; Figure 14 This is a schematic diagram of the alarm mechanism of the present invention; Figure 15 This is a schematic diagram of the battery box structure of the present invention; Figure 16 This is a schematic diagram of the structure of the flexible ribbon cable of the present invention; Figure 17 This is a schematic diagram of the structure of the LCD display of the present invention; Figure 18 This is a schematic diagram of the reset mechanism of the present invention.
[0017] In the diagram: 1. Measuring mechanism; 11. Protective housing; 111. Telescopic cylinder; 112. Telescopic connecting rod; 113. Connecting rod; 114. Connecting block; 115. Pushing lever; 12. Detection seat; 13. Connecting sleeve; 14. Access base; 15. Conical cover; 16. Liquid outlet; 161. Conical connecting pipe; 162. Infusion tubing; 163. Puncture needle; 17. Square slot; 18. Circuit board; 181. Microcontroller; 182. Solder pins; 183. A / D converter; 184. Capacitor; 185. Instruction set controller; 186. Button control base; 187. Battery power connector; 188. Battery box; 189. Battery power substrate; 19. Motor base; 191. Drive motor; 192. Eccentric wheel; 193. Connecting strut; 194. Pressure sensor; 195. Connecting rod; 196. Conical head; 2. Syringe connection mechanism; 21. Connection hole; 22. Threaded connection tube; 3. Disposable consumable mechanism; 31. Connecting tube; 32. Disposable connecting tube; 33. Injector socket; 34. Circular opening; 35. Syringe insertion hole; 36. Syringe; 37. Sliding plug cavity; 38. Telescopic push rod; 4. Reset mechanism; 41. Electronic error calibration head; 42. Concave interlacing track; 5. Alarm mechanism; 51. Flexible circuit board; 52. Buzzer housing box; 53. Buzzer; 54. Housing cover; 6. Control mechanism; 61. Drive roller; 62. Control box; 63. LCD display; 64. Flexible ribbon cable; 65. Integrated display module; 66. Physical button controller; 67. Press button; 68. Connecting plate; 69. Adjustment button; 691. Adjustment knob; 692. Drive knob; 693. Handle. Detailed Implementation
[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.
[0019] Please see Figure 1 - Figure 18 The present invention provides a technical solution: an automatic fascia pressure measuring instrument, including a measuring mechanism 1, the measuring mechanism 1 including a protective shell 11, a detection seat 12 is provided in the middle of the protective shell 11, a connecting sleeve 13 is provided in the middle of the detection seat 12, an access base 14 is horizontally installed in the middle of the connecting sleeve 13, a conical cover 15 is provided at the end of the access base 14, and a liquid outlet hole 16 is provided in the middle of the conical cover 15. The side wall of the connecting sleeve 13 is provided with a syringe connecting mechanism 2; The syringe connecting mechanism 2 includes a connecting hole 21 installed on the side wall of the connecting sleeve 13. The side wall of the connecting hole 21 is connected to a threaded connecting tube 22, and the back of the threaded connecting tube 22 is connected to a disposable consumable mechanism 3.
[0020] In this embodiment: a square slot 17 is provided in the middle of the protective shell 11, a circuit board 18 is provided in the middle of the slot 17, a motor base 19 is provided in the middle of the circuit board 18, a drive motor 191 is provided at the top center of the motor base 19, a drive shaft is connected to the output end of the drive motor 191, an eccentric wheel 192 is driven on the surface of the drive shaft, and a connecting support rod 193 is connected to the middle of the end of the eccentric wheel 192.
[0021] The rotation of the eccentric wheel 192 drives the rotation of the connecting strut 193, and the drive motor 191 drives the eccentric wheel 192 to rotate, controlling the forward and backward extension of the pressure sensor 194.
[0022] In this embodiment: a pressure sensor 194 is provided at the end of the connecting strut 193, a connecting rod 195 is provided at the end of the pressure sensor 194, a conical head 196 is provided at the end of the connecting rod 195, the detection end of the conical head 196 is sensing the back of the connecting sleeve 13, and a reset mechanism 4 is also provided on the back side of the pressure sensor 194. The reset mechanism 4 includes several electronic error calibration heads 41 installed at the bottom of the pressure sensor 194. The ends of the several electronic error calibration heads 41 are respectively slidably inserted into the corresponding concave insertion track 42. The bottom of the concave insertion track 42 is soldered to the surface of the circuit board 18 through a reset chip.
[0023] By using pressure sensor 194, the pressure on syringe 36 when injecting liquid is measured. This pressure feedback data may produce errors. The corresponding electronic error calibration head 41 is used to coordinate and correct the error, ensuring that the pressure data pushed into the fascia always stays within a suitable error range.
[0024] In this embodiment: a microcontroller 181 is also provided in the center of the back of the circuit board 18. Solder pins 182 are provided around the microcontroller 181. Several A / D converters 183 for performing analysis are arranged sequentially on the surface of the circuit board 18. Capacitors 184 are provided on the side of the A / D converters 183. Adjustment sockets are provided on the surface of the capacitors 184.
[0025] The core of the automatic control part is the use of a single-chip microcomputer 181 to realize the sensing and analysis, and after obtaining the pressure feedback of the syringe 36, the A / D converter 183 is used to realize the calculation and automatic control. It is implemented by the single-chip microcomputer 181 and is responsible for motor operation mode control, slider position judgment, A / D conversion, algorithm processing, display control, etc.
[0026] In this embodiment: the side of the circuit board 18 is also provided with an instruction set controller 185, the side of the instruction set controller 185 is provided with a button control base 186, the side of the circuit board 18 is also provided with a battery power supply connector 187, the side wall of the battery power supply connector 187 is equipped with a plurality of battery boxes 188, the middle of the box of the plurality of battery boxes 188 is sequentially embedded with a plurality of battery slots, and a battery power supply base 189 is provided on one side of the slot of the plurality of battery slots, and the battery power supply bases 189 are respectively elastically engaged with the two ends of a disposable large-size medical battery.
[0027] By using circuit board 18 as the carrier for various instruction signals written by instruction set controllers 185, these instruction signals are controlled by the button pressing to control the pre-integrated instruction information and drive the capacitor structure of each microcontroller 181.
[0028] In this embodiment: the end of the circuit board 18 is also provided with an alarm mechanism 5. The alarm mechanism 5 includes a flexible circuit board 51 installed in the middle of the side wall of the A / D converter 183. A buzzer placement box 52 is provided on the side of the flexible circuit board 51. A number of buzzers 53 are arranged sequentially on the surface of the buzzer placement box 52. A placement cover 54 is provided at the top center of the buzzer placement box 52. The protective housing 11 has a telescopic cylinder 111 on its side wall. One end of the telescopic cylinder 111 has a telescopic connecting rod 112. The side wall of the telescopic connecting rod 112 has a connecting rod 113. The side wall of the connecting rod 113 has a connecting block 114. The side wall of the connecting block 114 has a pusher 115. The side wall of the pusher 115 is slidably connected to the side wall of the protective housing 11.
[0029] The buzzer 53 is used as one end of the information to realize the buzzing, as a reverse correction feedback alarm during the test, and as information feedback. It extends after the telescopic structure of the telescopic cylinder 111 is extended, and is used for real-time monitoring of pressure detection.
[0030] In this embodiment: a control mechanism 6 is provided on the top surface of the protective shell 11; The control mechanism 6 includes a drive roller 61 disposed on the top surface of the protective housing 11. A control box 62 is disposed on the surface of the drive roller 61. An LCD display 63 is disposed on the surface of the control box 62. The bottom of the LCD display 63 is sensed by one end of a flexible ribbon cable 64. The bottom end of the flexible ribbon cable 64 passes through the protective housing 11 and is soldered to the integrated display module 65 embedded on the surface of the circuit board 18.
[0031] The LCD display 63 is used for display, and the integrated display module 65 is used as the circuit display and the integrated display module 65 is used for display feedback of image information.
[0032] In this embodiment: a physical button controller 66 is also installed on the back of the control box 62. A plurality of push buttons 67 are sequentially opened on the surface of the physical button controller 66, and the bottom of the plurality of push buttons 67 is connected to the button circuit board for triggering control. The physical button controller 66 has a connecting plate 68 on its central surface, and control buttons 69 are evenly arranged in a cross shape on the edge of the connecting plate 68. Several adjustment knobs 691 are arranged sequentially on the back of the physical button controller 66. The physical button controller 66 has a handle 693 attached to its back.
[0033] The physical button controller 66 is pressed at one end, and the surface of the connecting plate 68 forms a grip 693 for holding. The user sets the corresponding data according to the drive knob 692, such as the speed of pushing the syringe piston and adjusting the supply speed of the medicine.
[0034] A disposable consumable for an automatic fascia compression measuring instrument includes the aforementioned automatic fascia compression measuring instrument. The disposable consumable mechanism 3 further includes a threaded pipe connection disposed on the side wall of a threaded connecting pipe 22, a connecting pipe 31 on the side wall of the threaded connecting pipe 22, one end of the connecting pipe 31 being connected to a disposable connecting pipe 32, the end of the disposable connecting pipe 32 being movably connected to an injector socket 33, a circular opening 34 being provided at the top center of the injector socket 33, a syringe insertion hole 35 being connected at the top center of the circular opening 34, a syringe 36 being connected to the top threaded pipe of the syringe insertion hole 35, a sliding plug cavity 37 being provided at the top end of the syringe 36, a telescopic push rod 38 being provided at the top center of the sliding plug cavity 37, and the telescopic end of the telescopic push rod 38 being telescopically connected to the tube body of the syringe 36.
[0035] The disposable connecting tube 32 is used as the tube of the syringe 36. When the tube is open, it can better seal and inject a certain volume of drug solution. The drug solution passes through the patient's fascial cavity to achieve pressure testing.
[0036] In this embodiment: the end of the outlet hole 16 is connected to a tapered connector 161, one end of the tapered connector 161 is connected to an infusion tubing 162, and the end of the infusion tubing 162 is provided with a puncture needle 163.
[0037] One end of the tapered connector 161 is connected to the infusion tubing 162. Medical staff insert the needle 163 into the patient's fascia as a membrane pressure test.
[0038] In practical use, step one: as a fascia test; First, the user holds the handle 693 to achieve grip binding. The preset program is set by the drive knob 692. In the preset program, the physical button controller 66 and the corresponding pressing button 67 are set. During fascial pressure measurement, the following settings are implemented: the solder of the microcontroller 181 is used to receive instructions and sense pressure signals. The state of the capacitor 184 is used for convenient switching control. The sensing, calculation and automatic control part is the core, which is implemented by the microcontroller 181. It is responsible for motor operation mode control, slider position judgment, connection status of A / D converter 183, algorithm processing and display control. At this time, the set data is displayed as a signal feedback from the surface of the integrated display module 65. Therefore, the image information is displayed intuitively from one end of the flexible ribbon cable 64 to the surface of the LCD display 63. Step Two: Power Supply Personnel can lift the protective casing 11 by opening a slot on its surface. After lifting, multiple batteries are placed sequentially from the opened battery cover onto the battery power-conducting substrate 189, which is then pressed down by spring force. The battery box 188 is then aligned with the battery power-conducting substrate 189 in sequence, and the matching is achieved according to the cavity structure between the battery power-conducting substrates 189. The embedded battery power-conducting substrates 189 are placed between each other as a backup power source to ensure the normal use of the device and achieve high-power energy supply. The advantage of this approach is that it does not require charging. When the power is depleted, it can directly serve as a battery guide and a power replacement, immediately restoring use. At this moment, other buttons are triggered. After pressing the A / D converter 183, the function buttons are activated. For example, the control button 69 coordinates and controls various specific functions. Personnel need to connect to one end of the conical tube 161. In the connected state, the connection is achieved by connecting to one end of the outlet hole 16. In this way, medical personnel can assemble the disposable consumable syringe 36, connecting tube 31 and needle, and connect them to the protective shell 11. Liquid injection; Medical staff need to draw in a certain amount of injection fluid through a syringe (36). The device connects to the connecting sleeve 13 in the middle of the side wall of the protective shell 11 through the threaded connecting tube 22 and then connects to the connecting tube 31 through the threaded connecting tube 22. Then, it pushes the disposable connecting tube 32 at a uniform speed to one end of the joint of the rod body based on the telescopic push rod 38. The device injects a certain amount of liquid into the fascia chamber. The liquid enters the fascia chamber through the syringe 36 and the infusion tubing 162. The patient's fascial compartment is where medical staff insert one end of the puncture needle 163 into the knee. At this time, the user uses the disposable connecting tube 32 and the telescopic push rod 38 to manually push in the sucked liquid. When the fluid flow rate is low, the pressure at each port of the connecting tube 31 in the pressure transmission device is approximately equal. The sensor end is a blind end due to the air column obstruction, and the flow rate is 0. According to the gas characteristics, the air pressure is equal at any point in a closed environment. Finally, the pressure value obtained by the sensor is the pressure at the port of the connecting tube 31. The measurement method involves connecting the connector rod 195. Information is measured by the electronic error calibration head 41 and compared with a reasonable range (instruction chip analysis). If an error occurs, automatic calibration is performed to correct it. This process involves information detection and comparison, followed by automatic correction. The pressure sensor 194 senses changes in liquid pressure and converts the pressure signal into an electrical signal. This electrical signal enters the microcontroller 181 of the host computer for A / D conversion. The data is processed through an error correction algorithm to obtain the actual pressure value. Measurement errors depend on factors such as liquid flow rate, hose material, length, diameter, and height. These errors can be calculated by the host computer's measurement and control section, allowing for the accurate pressure value to be obtained using the difference method. There are two ways for personnel to push the liquid. One is to extend and retract one end of the telescopic connecting rod 112 controlled by the telescopic cylinder 111, and finally coordinate the movement of the pusher 115 driven by the outer connecting rod 113. The pusher 115 is used to achieve automatic, slow and equidistant movement, and finally moves one end of the telescopic push rod 38. According to the extension and retraction of the needle, the liquid is injected from one end of the circular opening 34 and pushed out from one end of the telescopic push rod 38. The liquid is inserted from the connection hole 21. The liquid is inserted according to the connection hole 21 and the liquid is discharged from one end of the infusion tubing 162 to the puncture needle 163. Then, the pressure is calculated by the pressure sensor 194 and then fed back to the surface of the LCD display 63. The second pushing method is to rotate the connecting tube 31 to change the position of the injector socket 33, so that one end of the syringe insertion hole 35 can output, and finally the liquid is discharged from one end of the connecting hole 21. The LCD display 63 and the motor drive are used for alarm prompts, displaying working status and parameters, and driving the forward and reverse rotation of the motor 191. If the specific calculation is corrected, the buzzer 53 of the output section will be used to realize the alarm. In addition, for pressure correction, the electronic error calibration head 41 is manually adjusted to slide back and forth along the concave interlacing track 42. During the sliding process, the corresponding reset chip and the solder point on the surface of the circuit board 18 are triggered to change the analysis information and calculation reset. The surface of the connecting rod 195 and the conical head 196 is changed to achieve extension and reset pressure adjustment. In addition, for leakage prevention, a sealing rubber sleeve is used to seal the joint. After the measurement is completed, disposable items can be removed and replaced. The pressure is measured by injecting liquid into the syringe 36. At this time, the liquid will fill the fascia and return like a balloon with an elastic force. The pressure inside the fascia is measured by connecting the tube 31 to the pressure sensor 194 to achieve pressure feedback.
[0039] The contents not described in detail in this description are existing technologies known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. An automatic fascial pressure measuring instrument, comprising a measuring mechanism (1), characterized in that, The measuring mechanism (1) includes a protective shell (11), a detection seat (12) is provided in the middle of the protective shell (11), a connecting sleeve (13) is provided in the middle of the detection seat (12), an access base (14) is installed horizontally in the middle of the connecting sleeve (13), a conical cover (15) is provided at the end of the access base (14), and a liquid outlet hole (16) is provided in the middle of the conical cover (15). The side wall of the connecting sleeve (13) is provided with a syringe connecting mechanism (2). The syringe connecting mechanism (2) includes a connecting hole (21) installed on the side wall of the connecting sleeve (13), the side wall of the connecting hole (21) is connected to a threaded connecting tube (22), and the back of the threaded connecting tube (22) is connected to a disposable consumable mechanism (3).
2. The automatic fascial compression measuring instrument according to claim 1, characterized in that: The protective shell (11) has a square slot (17) in the middle, a circuit board (18) in the middle of the slot (17), a motor base (19) in the middle of the circuit board (18), a drive motor (191) in the middle of the top of the motor base (19), a drive shaft connected to the output end of the drive motor (191), an eccentric wheel (192) on the surface of the drive shaft, and a connecting support rod (193) connected to the middle of the end of the eccentric wheel (192).
3. An automatic fascial compression measuring instrument according to claim 2, characterized in that: The end of the connecting strut (193) is provided with a pressure sensor (194), the end of the pressure sensor (194) is provided with a connecting rod (195), the end of the connecting rod (195) is provided with a conical head (196), the detection end of the conical head (196) is connected to the back of the connecting sleeve (13), and the back side of the pressure sensor (194) is also provided with a reset mechanism (4). The reset mechanism (4) includes several electronic error calibration heads (41) installed at the bottom of the pressure sensor (194). The ends of the several electronic error calibration heads (41) are respectively slidably interspersed in the corresponding concave interspersed track (42). The bottom of the concave interspersed track (42) is soldered to the surface of the circuit board (18) through a reset chip.
4. An automatic fascial compression measuring instrument according to claim 2, characterized in that: A microcontroller (181) is also provided in the middle of the back of the circuit board (18). Solder pins (182) are provided around the microcontroller (181). Several A / D converters (183) for performing analysis are arranged sequentially on the surface of the circuit board (18). Capacitors (184) are provided on the side of the A / D converters (183). Adjustment sockets (185) are provided on the surface of the capacitors (184).
5. An automatic fascial compression measuring instrument according to claim 4, characterized in that: The circuit board (18) is also provided with an instruction set controller (185) on its side, and a button control base (186) is provided on the side of the instruction set controller (185). The circuit board (18) is also provided with a battery power supply connector (187) on its side. Several battery boxes are installed on the side wall of the battery power supply connector (187). Several battery slots (188) are embedded in the middle of the box of several battery boxes. A battery power-conducting substrate (189) is provided on one side of the slot of several battery slots (188). The battery power-conducting substrates (189) are elastically connected to both ends of a disposable large-size medical battery.
6. An automatic fascial compression measuring instrument according to claim 5, characterized in that: The circuit board (18) is also provided with an alarm mechanism (5) at its end. The alarm mechanism (5) includes a flexible circuit board (51) installed in the middle of the side wall of the A / D converter (183). A buzzer placement box (52) is provided on the side of the flexible circuit board (51). Several buzzers (53) are arranged sequentially on the surface of the buzzer placement box (52). A placement cover (54) is provided at the top center of the buzzer placement box (52). The protective shell (11) has a telescopic cylinder (111) on its side wall. One end of the telescopic cylinder (111) has a telescopic connecting rod (112). The side wall of the telescopic connecting rod (112) has a connecting rod (113). The side wall of the connecting rod (113) has a connecting block (114). The side wall of the connecting block (114) has a pusher (115). The side wall of the pusher (115) is slidably connected to the side wall of the protective shell (11).
7. An automatic fascial compression measuring instrument according to claim 1, characterized in that: The top surface of the protective shell (11) is provided with a control mechanism (6); The control mechanism (6) includes a drive roller (61) disposed on the top surface of the protective housing (11). The surface of the drive roller (61) is provided with a control box (62). The surface of the control box (62) is provided with an LCD display (63). The bottom of the LCD display (63) is sensed by one end of a flexible ribbon cable (64). The bottom end of the flexible ribbon cable (64) passes through the protective housing (11) and is soldered to the integrated display module (65) embedded on the surface of the circuit board (18).
8. An automatic fascial compression measuring instrument according to claim 7, characterized in that: The back of the control box (62) is also equipped with a physical button controller (66). The surface of the physical button controller (66) is provided with a number of pressing buttons (67). The bottom of the pressing buttons (67) is connected to the button circuit board for trigger control. The physical button controller (66) has a connecting plate (68) on its central surface. The connecting plate (68) has control buttons (69) evenly arranged in a cross shape on its edge. The back of the physical button controller (66) has several adjustment knobs (691) arranged in sequence. The back of the physical button controller (66) is connected to a handle (693).
9. A disposable consumable for an automatic fascia compression measuring instrument, comprising the automatic fascia compression measuring instrument as described in claims 1-8, characterized in that: The disposable consumable mechanism (3) also includes a threaded pipe connection provided on the side wall of the threaded connecting pipe (22), a connecting pipe (31) on the side wall of the threaded connecting pipe (22), one end of the connecting pipe (31) is connected to a disposable connecting pipe (32), the end of the disposable connecting pipe (32) is connected to an injector socket (33), a circular opening (34) is provided at the top center of the injector socket (33), a syringe insertion hole (35) is connected at the top center of the circular opening (34), a syringe (36) is connected to the top threaded pipe of the syringe insertion hole (35), a sliding plug cavity (37) is provided at the top end of the syringe (36), a telescopic push rod (38) is provided at the top center of the sliding plug cavity (37), and the telescopic end of the telescopic push rod (38) is telescopically connected to the tube body of the syringe (36).
10. The disposable consumables for an automatic fascia compression measuring instrument according to claim 1, characterized in that: The end of the outlet (16) is connected to a conical connector (161), one end of the conical connector (161) is connected to an infusion tubing (162), and the end of the infusion tubing (162) is provided with a puncture needle (163).
Citation Information
Patent Citations
Automatic instrument for measuring fascia pressure
CN101530322A