Probe system

Abstract

The utility model provides a kind of probe system.Probe system includes conveying pipe, pressure sensing device, fixing device and probe, pressure sensing device is located on conveying pipe, pressure sensor device measures the blood pressure in conveying pipeline, this pressure can be directly transmitted to probe, without connecting other monitoring equipment or pressure gauge, avoid perfusion leakage and other additional risks;Fixing device includes the fixed part with opening and the clamping portion connected with fixed part, clamping portion has elasticity, conveying pipe is worn in fixed part, conveying pipe is detachably connected with fixing device, probe is detachably connected with clamping portion, so that when probe is fixedly connected with conveying pipe, probe is detachably connected with clamping portion, and then when probe needs to be disassembled, since clamping portion has elasticity, clamping portion can be opened, so that clamping portion is separated from probe, probe is cleaned, and the connection of probe and conveying pipe has no button or flip cover and other movable components, further facilitate cleaning.

Description

Technical Field

[0001] This invention relates to the field of medical technology, and in particular to a probe system. Background Technology

[0002] In cardiac surgical extracorporeal circulation support systems such as extracorporeal membrane oxygenation (ECMO) and cardiopulmonary bypass, real-time monitoring of the patient's blood oxygen saturation, body temperature, and blood circuit pressure is crucial. Typically, a pulse oximeter probe is fixed to the monitored tubing to monitor its pressure. Currently, an external T-junction is required to connect to other monitoring devices or pressure gauges to measure the pressure within the tubing. However, adding the T-junction and tubing introduces additional risks, such as perfusion leakage and air ingress into negative pressure tubing. Furthermore, the probe-to-tubing mounting structure often contains mechanical buttons or flip-top mechanisms, which hinder cleaning, especially after blood or other viscous liquids have entered, making it difficult to remove.

[0003] It should be noted that the information disclosed in the background section of this invention is intended only to enhance the understanding of the general background of this invention, and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Summary of the Invention

[0004] The purpose of this invention is to provide a probe system that monitors pressure in pipelines and is easy to clean.

[0005] To achieve the above objectives, the present invention provides a probe system, including a delivery tube, a pressure sensing device, a fixing device, and a probe. The pressure sensing device is disposed on the delivery tube and is used to measure the blood pressure within the delivery tube. The fixing device includes a fixing portion with an opening and a clamping portion connected to the fixing portion. The clamping portion extends outward from the edge of the opening of the fixing portion and is elastic. The delivery tube passes through the fixing portion and is detachably connected to the fixing device. The probe is detachably connected to the clamping portion. When the probe is fixedly connected to the delivery tube, the pressure sensing area of ​​the probe abuts against the pressure sensing device.

[0006] Optionally, a through hole is provided on the side wall of the delivery pipe, and a first protrusion adapted to the through hole is provided on the pressure sensing device; and / or, the pressure sensing device includes a pressure sensor, a printed circuit board disposed on the pressure sensor, and pins disposed on the printed circuit board.

[0007] Optionally, the first protrusion is bonded to the delivery tube; and / or, the probe system further includes a protective element that covers the pressure sensing device, one end of the protective element being detachably connected to the outer surface of the delivery tube, and the other end of the protective element being detachably connected to the probe.

[0008] Optionally, the protective member has a second protrusion at one end near the conveying pipe, and the side wall of the conveying pipe has a groove that matches the second protrusion.

[0009] Optionally, a third protrusion is provided on the side wall of the conveying pipe, the third protrusion having a first groove, and the pressure sensing device is disposed in the first groove.

[0010] Optionally, the side wall of the conveying pipe has a positioning element, which is spaced apart from the pressure sensing device; the fixing device also includes an end cap, which is sleeved on the conveying pipe and is detachably connected to the positioning element.

[0011] Optionally, the conveying pipe includes a body and a connector, the body and the connector being coaxially arranged, and the body being connected to the connector; the end cap is integrally formed with the connector or the end cap is detachably abutted against the connector.

[0012] Optionally, the clamping part is provided with a fourth protrusion, and the surface of the probe facing the conveying pipe is provided with a second groove that matches the fourth protrusion; or the surface of the probe facing the conveying pipe is provided with a fifth protrusion, and the surface of the clamping part is provided with a third groove that matches the fifth protrusion.

[0013] Optionally, the probe is provided with an optical sensor and a temperature sensor on its surface facing the delivery tube. When the probe is fixedly connected to the delivery tube, the optical sensor and the temperature sensor abut against the outer surface of the delivery tube.

[0014] Optionally, the pressure sensing area of ​​the probe is formed on the outer surface of the probe by cold pressing, and the pressure sensing area of ​​the probe is glued to the outer surface of the probe.

[0015] The aforementioned probe system includes a delivery tube, a pressure sensing device, a fixing device, and a probe. The pressure sensing device is located on the delivery tube, and the pressure sensing area of ​​the probe is connected to the pressure sensing device. The pressure sensor device is used to measure the blood pressure in the delivery tube, which can be directly transmitted to the probe, thus eliminating the need to connect other monitoring equipment or pressure gauges and avoiding additional risks such as perfusion leakage. The fixing device includes a fixing part with an opening and a clamping part connected to the fixing part. The clamping part extends outward from the edge of the opening of the fixing part and is elastic. The delivery tube passes through the fixing part and is detachably connected to the fixing device. The probe is also detachably connected to the clamping part. Thus, when the probe is fixedly connected to the delivery tube, that is, when the fixing device connects the delivery tube to the probe, the delivery tube is detachably connected to the fixing device. At the same time, the probe is detachably connected to the clamping part. When it is necessary to disassemble the probe, the elasticity of the clamping part can open the clamping part, allowing the clamping part to detach from the probe, facilitating probe cleaning. Furthermore, the connection between the probe and the delivery tube has no moving parts such as buttons or flip covers, further facilitating cleaning. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a probe system provided in one embodiment of the present invention; Figure 2 for Figure 1 The diagram shown is a structural schematic of the structure excluding the probe. Figure 3 for Figure 1 The exploded view shown here is of the structure excluding the probe. Figure 4 for Figure 2 Exploded view of a medium-pressure sensing device; Figure 5 for Figure 1 The diagram shows the structure of the probe. Detailed Implementation

[0017] The probe system proposed in this invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of this invention will become clearer from the following description. It should be noted that the drawings are in a very simplified form and use non-precise proportions, used only to facilitate and clarify the illustration of the embodiments of this invention. Please refer to the drawings to make the objectives, features, and advantages of this invention more apparent and understandable. It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this invention. Any modifications to the structure, changes in proportions, or adjustments to the size, provided that the effects and objectives achieved by this invention are the same or similar, should still fall within the scope of the technical content disclosed in this invention. Specific design features of the invention disclosed herein, including, for example, specific dimensions, orientations, positions, and shapes, will be determined in part by the specific application and usage environment. Furthermore, in the embodiments described below, the same reference numerals are sometimes used across different drawings to denote the same parts or parts having the same function, and repeated descriptions are omitted. In this specification, similar reference numerals and letters are used to denote similar items; therefore, once an item is defined in one figure, it need not be discussed further in subsequent figures. Furthermore, if the methods described herein involve a series of steps, and the order of these steps presented herein is not necessarily the only possible order in which they can be performed, some of the described steps may be omitted and / or other steps not described herein may be added to the method.

[0018] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations, nor should they be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element. The singular forms “a,” “one,” and “the” include plural objects. The term “or” is generally used to mean “and / or.” The term “several” is generally used to mean “at least one.” The term “at least two” is generally used to mean “two or more.” The term “multiple” is generally used to mean “at least two.”

[0019] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. In the description of this invention, unless otherwise expressly specified and limited, the terms "installed," "connected," "joined," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. Furthermore, in this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Moreover, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0020] Please refer to the reference. Figures 1-5 One embodiment of the probe system 10 includes a delivery tube 100, a pressure sensing device, a fixing device 200, and a probe 300. The probe 300 is a non-consumable component, while the delivery tube 100, pressure sensing device, and fixing device 200 are all consumable components. The consumable components are as follows: Figure 2 and Figure 3 As shown. The delivery tube 100 is a blood conduit.

[0021] For specific details, please refer to... Figure 2 and Figure 3 A pressure sensing device 400 is mounted on the delivery tube 100. This device measures the blood pressure within the delivery tube 100, and the pressure is directly transmitted to the probe, eliminating the need for connecting other monitoring equipment or pressure gauges. This avoids additional risks such as perfusion leakage; that is, pressure measurements can be completed without adding extra measurement tubing. In one embodiment, such as... Figure 3As shown, a through hole 110 is provided on the side wall of the delivery tube 100, and a first protrusion adapted to the through hole is provided on the pressure sensing device 400. That is, there is a protruding structure (i.e., the first protrusion) on the bottom of the pressure sensing device 400 (near the surface of the delivery tube 100). This protruding structure passes through the through hole 110, so that the pressure sensing device 400 can come into contact with the blood or other measured liquid in the delivery tube 100 to realize the pressure measurement of the delivery tube 100 without the need for other external measuring pipelines. The first protrusion and the inner wall of the through hole 110 can be connected by adhesive to ensure sealing.

[0022] Furthermore, in one embodiment, as Figure 4 As shown, the pressure sensor device 400 includes a pressure sensor 410, a printed circuit board 420 disposed on the pressure sensor 410, and pins 430 disposed on the printed circuit board 420. In this embodiment, a first protrusion is disposed on the pressure sensor 410. The printed circuit board 420 is a PCB board, and a metal component 421 on the printed circuit board 420 is soldered to the pressure sensor 410. The upper surface of the printed circuit board 420 is soldered to the pins 430. The pins 430 are used to abut against the pressure sensing area of ​​the probe 300, thereby realizing the measurement of pressure within the delivery tube 100. The pressure sensor device 400 has a compact structure. Furthermore, since the pins 430 abut against the pressure sensing area of ​​the probe 300, the pressure sensing connection between the consumable and non-consumable parts has no moving structure, thus making it not only waterproof but also easy to clean.

[0023] In one embodiment, the probe system further includes a protective element 500 that covers the pressure sensing device 400, with the other end of the protective element 500 detachably connected to the probe 300. Specifically, the protective element 500 is a protective cover used to protect the pressure sensing device 400 from damage. The protective element 500 has a cavity, allowing the pressure sensing device 400 to be placed within the cavity when it covers the pressure sensing device 400. When the probe 300 (i.e., the non-consumable part) is connected to the consumable part, the probe 300 is connected to the top surface of the protective element 500, and the bottom surface of the protective element 500 is connected to the outer surface of the delivery tube 100 after covering the pressure sensing device 400. The bottom surface of the protective element 500 and the outer surface of the delivery tube 100 can be fixed by adhesive or by snap-fit. In addition, the outer contour of the protective component 500 interacts with the probe end to play a positioning role. That is, the probe end of the probe 300 has a groove that matches the outer contour of the protective component 500. The pressure sensing area is located at the bottom of the groove. Thus, when the probe 300 is connected to the consumable part, the protective component 500 is locked in the groove. At the same time, the pin 430 of the pressure sensing device 400 abuts against the pressure sensing area to realize the measurement of the pressure in the delivery tube 100.

[0024] In another embodiment, the protective member 500 has a second protrusion at one end near the delivery pipe 100, and the side wall of the delivery pipe 100 has a groove adapted to the second protrusion. Specifically, in this embodiment, two opposite edges of the protective member 500 near the opening of the delivery pipe 100 extend outward to form the second protrusion, and the side wall of the delivery pipe 100 may have a radially outwardly extending protrusion with a groove, so that when the protective member 500 covers the pressure sensing device, the second protrusion can be engaged in the groove, thereby fixing the protective member 500 to the delivery pipe 100.

[0025] Furthermore, in one embodiment, a third protrusion is provided on the side wall of the delivery pipe 100. The third protrusion has a first groove, that is, the third protrusion has a cavity and an opening, which are connected. The aforementioned through hole is located within the third protrusion, so that the entire pressure sensing device can be placed within the cavity, thereby better protecting the pressure sensing device. In this embodiment, the shape of the cavity of the protective member 500 is adapted to the outer contour of the protrusion, that is, the protective member 500 is fitted onto the protrusion. When the protective member has a second protrusion, the slot of the delivery pipe is located on both sides of the protrusion in the axial direction.

[0026] Please refer to the references. Figure 2 and Figure 3 The fixing device 200 includes a fixing part 210 with an opening and a clamping part 220 connected to the fixing part 210. The opening extends axially to both ends of the fixing part 210, and the clamping part 220 extends outward from the edge of the fixing part 210. The clamping part 220 is elastic. In this embodiment, there are two clamping parts 220, which are arranged opposite to each other and both clamping parts 220 are at a certain angle to the fixing part 210. The conveying pipe 100 passes through the fixing part 210, that is, the fixing part 210 is clamped on the outer wall of the conveying pipe 100, and the conveying pipe 100 passes through the fixing part 210. The conveying pipe 100 is detachably connected to the fixing device 200. When the probe 300 is fixedly connected to the delivery pipe 100, that is, when the fixing device 200 connects the delivery pipe 100 and the probe 300, the delivery pipe 100 and the fixing device 200 are detachably connected. At the same time, the probe 300 is detachably connected to the clamping part 220. When it is necessary to disassemble the probe 300, the clamping part 220 is elastic and can be opened to separate the clamping part 220 from the probe 300, which facilitates the cleaning of the probe 300. Furthermore, the connection between the probe 300 and the delivery pipe 100 has no moving parts such as buttons or flip covers, which further facilitates cleaning.

[0027] In one embodiment, the sidewall of the delivery pipe 100 has a positioning member 120, which is spaced apart from the pressure sensing device 400, i.e., the positioning member 120 and the pressure sensing device 400 are spaced apart axially, and the positioning member 120 and the pressure sensing device 400 are located at both ends of the portion of the delivery pipe 100 that overlaps with the fixing part 210. The fixing device 200 also includes an end cap 230, which is sleeved on the delivery pipe 100 and detachably connected to the positioning member 120. That is, when the delivery pipe 100 is engaged with the fixing part 210, the end cap 230 is sleeved on the side of the delivery pipe 100 away from the pressure sensing device 400, and the end cap 230 is detachably connected to the positioning member 120. The end cap 230 and the positioning member 120 can be detachably connected by snap-fit ​​or other means. In this embodiment, the end cap 230 has a protrusion 231, and the positioning member 120 has a groove that matches the protrusion 231. Thus, when the end cap 230 is connected to the positioning member 120, the protrusion 231 can be engaged in the groove, thereby achieving positioning. Further, in one embodiment, the end cap 230 has circumferentially spaced protrusions, and correspondingly, the fixing part 210 has circumferentially penetrating grooves. The grooves correspond one-to-one with the protrusions, so that after the positioning member 120 and the protrusion 231 are engaged and positioned, the protrusions can be engaged in the corresponding grooves, thereby fixing the conveying pipe 100 to the fixing device 200. It should be noted that in other embodiments, the end cap 230 may also have circumferentially spaced grooves, and the end of the fixing part 210 may have protrusions that correspond one-to-one with the grooves.

[0028] Furthermore, in one embodiment, in order to make the fixing of the conveying pipe 100 and the fixing device 200 more secure, a plurality of circumferentially penetrating grooves are also provided on the end of the fixing part 210 away from the end cap 230, and the outer wall of the conveying pipe 100 is provided with protrusions corresponding to the grooves one by one, so that when the conveying pipe 100 passes through the fixing part 210, the protrusions and the grooves are engaged.

[0029] In one embodiment, the delivery pipe 100 includes a body 100a and a connector 100b, which are coaxially arranged and connected. The end cap 230 is detachably abutted against the connector 100b. Figure 3 As shown, the main body 100a has connectors 100b connected to both ends. The end cap 230 is detachably abutted against one of the connectors 100b, meaning the end cap 230 is fitted onto one of the connectors 100b. In another embodiment, the end cap 230 and one of the connectors 100b are integrally formed, allowing the end cap 230 and connector 100b to be made with different inner diameters. In this case, the probe consumable can be more flexibly configured on clinical tubing with different inner diameters without needing to replace probes of different specifications.

[0030] Please refer to the references. Figure 2 and Figure 3 In one embodiment, the clamping part 220 is provided with a fourth protrusion 221, and the probe 300 has a second groove 320 on its surface 310 facing the delivery tube 100 that matches the fourth protrusion 221. Thus, after the probe 300 and the delivery tube 100 are positioned, they are fixed by a fixing device, and the fourth protrusion 221 and the second groove 320 on the clamping part 220 achieve a snap-fit ​​connection. Furthermore, because the clamping part 220 is elastic, the fourth protrusion 221 can be easily inserted into the second groove 320 during the snap-fit ​​connection. If it is necessary to separate the consumable part and the non-consumable part, simply use two fingers to clamp the clamping part 220 respectively. Utilizing the elasticity of the clamping part 220, the fourth protrusion 221 and the second groove 320 are unlocked by the rebound property of the clamping part 220, thus achieving disassembly. By designing the fixing part and the clamping part as spring-loaded snaps, unlocking and installation can be achieved using only two fingers, making operation convenient. The fourth protrusion 221 can be four in number, with two fourth protrusions distributed symmetrically on each clamping part. This arrangement facilitates mold adjustment. It should be noted that the number of fourth protrusions 221 can also be two. In other embodiments, a fifth protrusion is provided on the surface 310 of the probe facing the delivery tube, and a third groove adapted to the fifth protrusion is formed on the surface of the clamping part, similarly achieving a snap-fit ​​connection.

[0031] like Figure 5 As shown, in one embodiment, an optical sensor 600 and a temperature sensor 700 are provided on the surface 310 of the probe 300 facing the delivery tube 100. When the probe 300 is fixedly connected to the delivery tube 100, i.e., when the consumable part and the non-consumable part are connected, both the optical sensor 600 and the temperature sensor 700 are in contact with the outer surface of the delivery tube 100. The optical sensor 600 is used to measure the Hct (hematocrit), Hb (hemoglobin), and SO2 (oxygen saturation) of the blood in the delivery tube 100, and the temperature sensor 700 is used to measure the temperature inside the delivery tube 100. The outer surfaces of the optical sensor 600 and the temperature sensor 700 are light-transmitting windows, which can be made of glass. The optical sensor 600 contains an optical chip, which can be a multi-wavelength, integrated optical sensor module. This integration makes the optical sensor 600 compact and more suitable for miniaturized applications. The temperature sensor can be an infrared temperature sensor. As described above, by using the pressure sensor 400, optical sensor 600, and temperature sensor 700, measurements of blood oxygen, temperature, and pressure can be completed without adding additional measurement tubing. Furthermore, please refer to... Figure 2 When the fixing device and the delivery pipe are combined, region 800 is formed. Region 800 is planar and is used to cooperate with the optical sensor 600 and the temperature sensor 700. It should be noted that region 800 is also part of the outer surface of the delivery pipe 100.

[0032] Furthermore, such as Figure 5 As shown, in one embodiment, the pressure sensing area 330 of the probe 300 is formed on the outer surface of the probe 300 by cold pressing, and the pressure sensing area 330 of the probe 300 is glued to the outer surface of the probe to ensure waterproofness.

[0033] As described above, the probe end of probe 300 has a groove that matches the outer contour of protective component 500, and the pressure sensing area 330 is located at the bottom of this groove. For details, please refer to... Figure 5 The probe 300 has a groove 340 and a positioning groove 350. The groove is adapted to the outer contour of the protective component 500, thus serving a positioning function when the probe is installed with the delivery tube. Furthermore, the positioning groove 350 is adapted to the positioning component 120, also serving a positioning function, facilitating installation. The groove 340 and the positioning groove 350 are located at opposite ends of the probe 300, making positioning more accurate and installation easier.

[0034] In one embodiment, the outer shell of the probe 300 includes two half-shells connected by bolts. A bolt hole 360 ​​is provided on one of the half-shells. After the bolts are fixed, the bolt hole 360 ​​is sealed with adhesive to prevent external liquid from entering the cleaning dead corner of the probe.

[0035] The aforementioned probe system includes a delivery tube, a pressure sensing device, a fixing device, and a probe. The pressure sensing device is located on the delivery tube, and the pressure sensing area of ​​the probe is connected to the pressure sensing device. The pressure sensor device is used to measure the blood pressure in the delivery tube, which can be directly transmitted to the probe, thus eliminating the need to connect other monitoring equipment or pressure gauges and avoiding additional risks such as perfusion leakage. The fixing device includes a fixing part with an opening and a clamping part connected to the fixing part. The clamping part extends outward from the edge of the opening of the fixing part and is elastic. The delivery tube passes through the fixing part and is detachably connected to the fixing device. The probe is also detachably connected to the clamping part. Thus, when the probe is fixedly connected to the delivery tube, that is, when the fixing device connects the delivery tube to the probe, the delivery tube is detachably connected to the fixing device. At the same time, the probe is detachably connected to the clamping part. When it is necessary to disassemble the probe, the elasticity of the clamping part can open the clamping part, allowing the clamping part to detach from the probe, facilitating probe cleaning. Furthermore, the connection between the probe and the delivery tube has no moving parts such as buttons or flip covers, further facilitating cleaning.

[0036] It should be noted that in the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0037] It should also be noted that the above description is merely a description of preferred embodiments of the present invention and is not intended to limit the scope of the present invention in any way. Any changes or modifications made by those skilled in the art based on the above disclosure are within the protection scope of the present invention. Obviously, those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Therefore, if these modifications and variations fall within the scope of the present invention and its equivalents, the present invention also intends to include these modifications and variations.

Claims

1. A probe system, characterized in that, The device includes a delivery tube, a pressure sensing device, a fixing device, and a probe. The pressure sensing device is mounted on the delivery tube and is used to measure the blood pressure within the delivery tube. The fixing device includes a fixing part with an opening and a clamping part connected to the fixing part. The clamping part extends outward from the edge of the opening of the fixing part and is elastic. The delivery tube passes through the fixing part and is detachably connected to the fixing device. The probe is detachably connected to the clamping part. When the probe is fixedly connected to the delivery tube, the pressure sensing area of ​​the probe abuts against the pressure sensing device.

2. The probe system according to claim 1, characterized in that, The side wall of the delivery pipe is provided with a through hole, and the pressure sensing device is provided with a first protrusion adapted to the through hole; and / or, the pressure sensing device includes a pressure sensor, a printed circuit board provided on the pressure sensor, and pins provided on the printed circuit board.

3. The probe system according to claim 2, characterized in that, The first protrusion is bonded to the delivery pipe.

4. The probe system according to claim 2, characterized in that, The probe system also includes a protective element that covers the pressure sensing device. One end of the protective element is detachably connected to the outer surface of the delivery pipe, and the other end of the protective element is detachably connected to the probe.

5. The probe system according to claim 4, characterized in that, The protective component has a second protrusion at one end near the conveying pipe, and the side wall of the conveying pipe has a groove that matches the second protrusion.

6. The probe system according to claim 4, characterized in that, The side wall of the delivery pipe is provided with a third protrusion, the third protrusion having a first groove, and the pressure sensing device is disposed in the first groove.

7. The probe system according to claim 1, characterized in that, The side wall of the conveying pipe has a positioning element, which is spaced apart from the pressure sensing device; the fixing device also includes an end cap, which is sleeved on the conveying pipe and is detachably connected to the positioning element.

8. The probe system according to claim 7, characterized in that, The conveying pipe includes a body and a connector, the body and the connector are coaxially arranged, and the body is connected to the connector; the end cap is integrally formed with the connector or the end cap is detachably abutted against the connector.

9. The probe system according to claim 1, characterized in that, The clamping part is provided with a fourth protrusion, and the surface of the probe facing the conveying pipe is provided with a second groove that matches the fourth protrusion; or the surface of the probe facing the conveying pipe is provided with a fifth protrusion, and the surface of the clamping part is provided with a third groove that matches the fifth protrusion.

10. The probe system according to claim 1, characterized in that, An optical sensor and a temperature sensor are provided on the surface of the probe facing the delivery tube. When the probe is fixedly connected to the delivery tube, the optical sensor and the temperature sensor abut against the outer surface of the delivery tube.

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