Bile duct pressure measuring device

Abstract

The utility model discloses a bile duct pressure measuring device which comprises a T-shaped drainage tube and a drainage pressure measuring tube, a pressure measuring device is installed on the drainage pressure measuring tube, a tube clamp is installed on the drainage pressure measuring tube, a connector is installed on the drainage pressure measuring tube, a connector is installed on the end portion of the drainage pressure measuring tube, a first annular plate is fixedly connected to the bottom end of the T-shaped drainage tube, and a second annular plate is fixedly connected to the bottom end of the T-shaped drainage tube. The bottom face of the first annular plate is fixedly connected with a first rubber pad, and the top end of the drainage pressure measuring pipe is fixedly connected with a second annular plate. The T-shaped drainage tube is connected with the drainage pressure measuring tube, the pressure measuring device and the like, the pressure of the common bile duct can be detected, the first annular plate, the first rubber pad, the second annular plate, the second rubber pad, the caulking groove, the clamping opening, the fixing block, the spring, the limiting rod, the connecting rod, the pressing plate and the like are arranged, and the drainage pressure measuring tube can be detached when needing to be detached; the drainage tube is convenient to connect, the drainage pressure measuring tube is convenient to disassemble and assemble, and the drainage pressure measuring tube can be independently replaced when damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of bile duct pressure measurement, in particular to a bile duct pressure measurement device. Background Art

[0002] Obstruction of the lower end of the common bile duct due to tumors, stones, inflammation, scar stenosis, etc. can cause obstructive jaundice, leading to liver damage in patients. In severe cases, it can cause systemic symptoms and even liver failure, which is life-threatening. The current treatment methods are internal bile drainage and external bile drainage. One of the methods of external bile drainage is T-tube external drainage, and the other is PTCD catheter external drainage (percutaneous transhepatic biliary drainage). When the drainage tube is in use, generally in order to better treat the patient, when the drainage tube is draining bile from the human body, the T-tube can be connected to a pressure measuring tube to detect the common bile duct pressure.

[0003] For example, the Chinese utility model patent with the authorization announcement number CN216091633U discloses a device for monitoring the bile drainage tube of patients at home, including a T-tube and a limit ring arranged on the T-tube, a monitor is arranged on the lower side of the T-tube, the monitor includes a housing, an impeller and an air film, a speed sensor is arranged on one side of the impeller, a pressure sensor is arranged on one side of the air film, a tube clamp is arranged on the lower side of the monitor, a connector is arranged at the lower end of the T-tube, a drainage tube is arranged on the lower side of the connector, and a quick connector is arranged at one end of the drainage tube. The utility model adopts an impeller and a speed sensor to indirectly measure the bile flow rate, detects the pressure change in the common bile duct through the air film and the pressure sensor, and finally converts the sensor electrical signal into a digital signal through an analog-to-digital converter, intuitively and conveniently displays the pressure and flow in the common bile duct, and provides a basis for medical staff to close the T-tube.

[0004] However, the pressure measuring tube of the existing bile duct pressure measuring device is not easy to disassemble when in use, and it is not easy to replace the pressure measuring tube separately if it is damaged.

[0005] Therefore, we propose a bile duct pressure measuring device to solve the above problems. Summary of the invention

[0006] The utility model aims to provide a bile duct pressure measuring device to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical solutions: a bile duct pressure measuring device, comprising a T-shaped drainage tube and a drainage pressure measuring tube, a pressure measuring device is installed on the drainage pressure measuring tube, a tube clamp is installed on the drainage pressure measuring tube, a connector is installed on the drainage pressure measuring tube, and a joint is installed at the end of the drainage pressure measuring tube;

[0008] The bottom end of the T-shaped drainage tube is fixedly connected to an annular plate one, the bottom surface of the annular plate one is fixedly connected to a rubber pad one, the top of the drainage pressure measuring tube is fixedly connected to an annular plate two, the top surface of the annular plate two is fixedly connected to a rubber pad two, the rubber pad one contacts the rubber pad two, the two ends of the top surfaces of the annular plate two are respectively fixedly connected to a fixing block, the two ends of the bottom surface of the annular plate one are respectively provided with an embedding groove, the fixing block is clamped in the embedding groove, the two ends of the top surfaces of the annular plate two are respectively provided with a sliding groove, one side of the sliding groove is fixedly connected to one end of a spring, and the other end of the spring is fixedly connected to a limiting rod, the bottom of the limiting rod is slidably connected to the sliding groove, the fixed block is provided with a sliding groove, the sliding groove and the sliding groove are connected internally, the limiting rod is slidably connected to the sliding groove, one side of the embedding groove is provided with a card interface, and one end of the top of the limiting rod is clamped in the card interface, the number of the limiting rods is two, and the two sides of the limiting rods away from each other are respectively fixedly connected to one end of the connecting rod, and the other end of the connecting rod is fixedly connected to the pressing plate.

[0009] Preferably, a sliding opening is provided on one side of the sliding groove, and the connecting rod is slidably connected to the sliding opening.

[0010] Preferably, limiting blocks are fixedly connected to both sides of the bottom of the limiting rod, limiting grooves are respectively provided on both sides of the sliding groove, and the limiting blocks are slidably connected to the limiting grooves.

[0011] Preferably, two ends of the second top surface of the annular plate are respectively fixed to positioning rods, two ends of the bottom surface of the first annular plate are respectively provided with positioning holes, and the positioning rods are slidably connected to the positioning holes.

[0012] Preferably, two ends of the bottom surface of the rubber pad are provided with a through opening, the through opening is connected to the inside of the embedding groove, and two ends of the bottom surface of the rubber pad are provided with a through hole, the through hole is connected to the inside of the positioning hole.

[0013] Preferably, two openings are respectively formed at two ends of the top surface of the second rubber pad, and two through holes are respectively formed at two ends of the top surface of the second rubber pad.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model connects a drainage pressure measuring tube, a pressure measuring device, etc. through a T-shaped drainage tube, and can detect the pressure of the common bile duct. By arranging an annular plate one, a rubber pad one, an annular plate two, a rubber pad two, an embedding groove, a card interface, a fixing block, a spring, a limit rod, a connecting rod, a pressing plate, etc., the drainage pressure measuring tube can be disassembled when it is needed, which is convenient for connecting the drainage tube, facilitating the disassembly and assembly of the drainage pressure measuring tube, and also convenient for replacing the drainage pressure measuring tube separately when it is damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2This is a schematic diagram of a partial structure of the utility model in a front view cross-sectional structure;

[0018] Figure 3 It is a schematic diagram of the side cross-sectional structure of the local structure of the utility model;

[0019] Figure 4 It is a top view cross-sectional structure schematic diagram of the local structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the partial structure splitting structure of the utility model.

[0021] In the figure: 1. T-type drainage tube; 2. drainage pressure measuring tube; 3. pressure measuring device; 4. tube clamp; 5. connector; 6. joint; 7. annular plate 1; 71. embedding groove; 711. card interface; 72. positioning hole; 8. rubber pad 1; 81. through port 1; 82. through hole 1; 9. annular plate 2; 91. slide groove; 911. limit groove; 92. sliding port; 10. rubber pad 2; 101. through port 2; 102. through hole 2; 11. fixing block; 111. sliding groove; 12. spring; 13. limit rod; 131. limit block; 14. connecting rod; 15. pressing plate; 16. positioning rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] See also Figure 1-5 , which is the first embodiment of the utility model. The utility model provides a technical solution: a bile duct pressure measuring device, including a T-shaped drainage tube 1, a drainage pressure measuring tube 2, a pressure measuring device 3 is installed on the drainage pressure measuring tube 2, a tube clamp 4 is installed on the drainage pressure measuring tube 2, a connector 5 is installed on the drainage pressure measuring tube 2, and a joint 6 is installed at the end of the drainage pressure measuring tube 2, which can be connected to a drainage bag (the pressure measuring device 3 detects the pressure of the common bile duct by indirectly measuring the bile flow rate using the impeller and speed sensor provided therein, and detects the pressure change in the common bile duct through the air film and pressure sensor, and finally converts the sensor electrical signal into a digital signal through an analog-to-digital converter, and intuitively and conveniently displays the pressure and flow in the common bile duct through the display screen provided by the pressure measuring device 3);

[0025] The bottom end of the T-shaped drainage tube 1 is fixedly connected to an annular plate 7, the bottom surface of the annular plate 7 is fixedly connected to a rubber pad 8, the top end of the drainage pressure measuring tube 2 is fixedly connected to an annular plate 9, the top surface of the annular plate 9 is fixedly connected to a rubber pad 10, and the rubber pad 8 contacts the rubber pad 10, which can improve the sealing performance of the connection between the annular plates 7 and 9, the top ends of the annular plate 9 are respectively fixedly connected to a fixing block 11, the bottom ends of the annular plate 7 are respectively provided with an embedding groove 71, the fixing block 11 is clamped in the embedding groove 71, the top ends of the annular plate 9 are respectively provided with a sliding groove 91, one side of the sliding groove 91 is fixedly connected to one end of a spring 12, and the spring 12 is connected to the spring 12. The other end of the spring 12 is fixedly connected to the limit rod 13, and the vertical cross-section of the limit rod 13 is an inverted L shape. The bottom of the limit rod 13 is slidably connected to the slide groove 91, and a sliding groove 111 is opened in the fixed block 11. The sliding groove 111 and the slide groove 91 are internally connected. The limit rod 13 is slidably connected to the sliding groove 111, and a card interface 711 is opened on one side of the embedded groove 71. One end of the top of the limit rod 13 is carded into the card interface 711. There are two limit rods 13. The sides of the two limit rods 13 away from each other are respectively fixedly connected to one end of the connecting rod 14, and the other end of the connecting rod 14 is fixedly connected to the pressing plate 15.

[0026] Embodiment 2:

[0027] See also Figure 1-5 , which is the second embodiment of the utility model. This embodiment is based on the previous embodiment. A sliding opening 92 is opened on one side of the sliding groove 91 , and the connecting rod 14 is slidably connected to the sliding opening 92 .

[0028] Limit blocks 131 are fixedly connected to both sides of the bottom of the limit rod 13, and limit grooves 911 are respectively opened on both sides of the slide groove 91. The limit blocks 131 are slidably connected to the limit grooves 911 to limit the range of pressing the pressing plate 15 and the moving range of the limit rod 13, which is convenient for operation.

[0029] The two ends of the top surface of the annular plate 2 9 are fixedly connected to the positioning rods 16, and the two ends of the bottom surface of the annular plate 1 7 are respectively provided with positioning holes 72. The positioning rods 16 are slidably connected to the positioning holes 72, which is convenient for further positioning when the annular plate 2 9 is installed on the annular plate 1 7.

[0030] A through hole 81 is respectively formed at both ends of the bottom surface of the rubber pad 8, and the through hole 81 is communicated with the interior of the embedding groove 71. A through hole 82 is respectively formed at both ends of the bottom surface of the rubber pad 8, and the through hole 82 is communicated with the interior of the positioning hole 72.

[0031] Two ends of the top surface of the rubber pad 10 are respectively provided with openings 101 , and two ends of the top surface of the rubber pad 10 are respectively provided with through holes 102 .

[0032] Embodiment 3:

[0033] See also Figure 1-5, which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. When the utility model is actually used, first clamp the T-shaped drainage tube with a clip to prevent bile leakage, and drive the connecting rod 14 and the limiting rod 13 to move by pressing the pressing plates 15 on both sides of the annular plate 2 9, so that the limiting rods 13 at both ends enter the sliding grooves 111 set in the fixing blocks 11, and the fixing blocks 11 set on the top surface of the annular plate 2 9 are correspondingly inserted into the embedding grooves 71 set on the bottom surface of the annular plate 1 7, so that the rubber pad 2 10 is in close contact with the rubber pad 1 8. After confirming that the position is appropriate, release the pressing plate. 15, so that the limit rod 13 is acted upon by the spring 12 to be correspondingly rebounded into the card interface 711 provided in the annular plate 1 7, and the annular plate 1 7 and the annular plate 2 9 can be connected, so that the drainage pressure measuring tube 2 is connected to the T-type drainage tube 1, and the clamp is removed, and the bile flows into the drainage pressure measuring tube 2 through the T-type drainage tube 1. When passing through the pressure measuring device 3, the pressure measuring device 3 can detect the common bile duct pressure, and the drainage pressure measuring tube 2 can be disassembled when it is needed, which is convenient for the connection of the drainage tube, the disassembly and assembly of the drainage pressure measuring tube 2, and the separate replacement of the drainage pressure measuring tube 2 when it is damaged.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bile duct pressure measuring device, comprising a T-shaped drainage tube (1) and a drainage pressure measuring tube (2), characterized in that: The drainage pressure measuring tube (2) is provided with a pressure measuring device (3), the drainage pressure measuring tube (2) is provided with a tube clamp (4), the drainage pressure measuring tube (2) is provided with a connector (5), and the end of the drainage pressure measuring tube (2) is provided with a joint (6); The bottom end of the T-shaped drainage tube (1) is fixedly connected to annular plate 1 (7), the bottom surface of the annular plate 1 (7) is fixedly connected to rubber pad 1 (8), the top end of the drainage pressure measuring tube (2) is fixedly connected to annular plate 2 (9), the top surface of the annular plate 2 (9) is fixedly connected to rubber pad 2 (10), the rubber pad 1 (8) contacts rubber pad 2 (10), the two ends of the top surface of the annular plate 2 (9) are respectively fixedly connected to fixing blocks (11), the two ends of the bottom surface of the annular plate 1 (7) are respectively provided with embedding grooves (71), the fixing blocks (11) are clamped in the embedding grooves (71), the two ends of the top surface of the annular plate 2 (9) are respectively provided with sliding grooves (91), one end of the inner side of the sliding groove (91) is fixedly connected to one end of the spring (12), the The other end of the spring (12) is fixedly connected to the limit rod (13), the bottom of the limit rod (13) is slidably connected to the slide groove (91), a sliding groove (111) is provided in the fixed block (11), the sliding groove (111) and the slide groove (91) are internally connected, the limit rod (13) is slidably connected to the sliding groove (111), a card interface (711) is provided in one side of the embedded groove (71), and one end of the top of the limit rod (13) is card-engaged with the card interface (711), the number of the limit rods (13) is two, and the sides of the two limit rods (13) that are away from each other are respectively fixedly connected to one end of the connecting rod (14), and the other end of the connecting rod (14) is fixedly connected to the pressing plate (15).

2. A bile duct pressure measuring device according to claim 1, characterized in that: A sliding opening (92) is provided on one side of the sliding groove (91), and the connecting rod (14) is slidably connected to the sliding opening (92).

3. A bile duct pressure measuring device according to claim 1, characterized in that: The limiting blocks (131) are fixedly connected to the bottom of the limiting rod (13) on both sides, limiting grooves (911) are respectively provided on both sides of the sliding groove (91), and the limiting blocks (131) are slidably connected to the limiting grooves (911).

4. A bile duct pressure measuring device according to claim 1, characterized in that: The two ends of the top surface of the second annular plate (9) are respectively fixedly connected to positioning rods (16), and the two ends of the bottom surface of the first annular plate (7) are respectively provided with positioning holes (72), and the positioning rods (16) are slidably connected to the positioning holes (72).

5. A bile duct pressure measuring device according to claim 1, characterized in that: A through hole (82) is respectively formed at both ends of the bottom surface of the rubber pad (8), and the through hole (81) and the interior of the embedding groove (71) are connected. A through hole (82) is respectively formed at both ends of the bottom surface of the rubber pad (8), and the through hole (82) and the interior of the positioning hole (72) are connected.

6. A bile duct pressure measuring device according to claim 1, characterized in that: Two ends of the top surface of the second rubber pad (10) respectively have openings (101), and two ends of the top surface of the second rubber pad (10) respectively have through holes (102).

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