Clinical portable urodynamic analyzer calibration device

Abstract

The utility model discloses a calibration device for a clinical portable urodynamic analyzer. A clinical portable urodynamic analyzer calibration device comprises a U-shaped pipe, sealing caps are arranged at two pipe openings of the U-shaped pipe, connecting pipes are installed on the sealing caps, one connecting pipe is connected with a guide pipe, the other connecting pipe is connected with a pressure sensor, the other end of the guide pipe is connected with a pressurizing pipe, a piston is arranged in the pressurizing pipe, and the piston is connected with the U-shaped pipe. A first threaded rod is installed on the piston, and the piston is located at the end of the first threaded rod. According to the clinical portable urodynamic analyzer calibration device provided by the utility model, the effects of comparing and detecting data of the pressure sensor of the urodynamic analyzer are realized by arranging related components such as the U-shaped tube.

Description

TECHNICAL FIELD

[0001] The utility model relates to urodynamics analyzer technical field especially relates to a clinical portable urodynamics analyzer calibration device. BACKGROUND

[0002] Urodynamics analyzer is a kind of medical equipment for evaluating bladder function, it helps doctors to diagnose and treat various urinary system diseases, such as urinary incontinence, overactive bladder, prostatic hyperplasia etc., by measuring the capacity, pressure and contractility of bladder.

[0003] Prior art discloses a kind of portable standard water pressure device, for calibrating urodynamics analyzer, a kind of portable standard water pressure device, for calibrating urodynamics analyzer, including horizontal box body platform (A), detachable telescopic rod (B), water level mark cylinder (E) and vertical indicator (H), the horizontal box body platform (A), be provided with the device for adjusting the horizontal of horizontal box body platform (A);Column (A-6) is fixed in the box body of horizontal box body platform (A), and flexible water pipe (C) is wound on it;Each section of detachable telescopic rod (B) is provided with height scale flexible water pipe (C), and the lower end is connected with the pressure measurement channel of urodynamics analyzer, and the upper end is connected with water level mark cylinder (E);Water level mark cylinder (E) is fixed on a section of pull rod by an activity clamp (G),

[0004] The above-mentioned device adjusts water pressure by changing water head height, and needs to fill water in the whole pipe before use, which consumes time.

[0005] Therefore, it is necessary to provide a clinical portable urodynamics analyzer calibration device to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a clinical portable urodynamics analyzer calibration device which can simplify the water injection operation.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme:

[0008] The clinical portable urodynamics analyzer calibration device comprises a U-shaped pipe, two pipe openings of the U-shaped pipe are provided with sealing caps, connecting pipes are installed on the sealing caps, a catheter is connected to one of the connecting pipes, a pressure sensor is connected to the other connecting pipe, the other end of the catheter is connected to a pressurizing pipe, a piston is arranged in the pressurizing pipe, a first threaded rod is installed on the piston, the piston is located at the end of the first threaded rod, a threaded support is arranged at the opening of the lower end of the pressurizing pipe, the first threaded rod is installed on the threaded support, and a knob is fixedly installed at the other end of the first threaded rod.

[0009] Preferably, a threaded hole is formed in the middle of the first threaded rod, and a second threaded rod is installed in the threaded hole.

[0010] Preferably, an amplifying tube is installed on the upper end of the U-shaped tube, and the inner diameter of the amplifying tube is larger than that of the U-shaped tube.

[0011] Preferably, the piston is made of rubber, and a plurality of annular protrusions are arranged on the edge of the piston.

[0012] Preferably, a tee pipe is arranged on the upper end of the connecting pipe, and a cap is arranged on one of the pipe openings of the tee pipe.

[0013] Preferably, a fixing device is arranged on the pipe end of the catheter, and the fixing device comprises a threaded cylinder, the threaded cylinder is provided with a clamping end at one end, the clamping end is composed of a plurality of independent arc-shaped strips, one end of the arc-shaped strip is thicker than the other end, the cross section is trapezoidal, the outer wall of the threaded cylinder and the clamping end is provided with threads, and a screw cap is arranged on the periphery of the threaded cylinder.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] (1) The utility model discloses a U-shaped tube and other related components are arranged to realize the data comparison and detection of the pressure sensor of the urodynamic analyzer, compared with the prior art, the device only injects water in the U-shaped tube and changes the water pressure through the pressurizing pipe, the water injection operation is faster, and meanwhile, the device is overall sealed, and the water in the U-shaped tube is not easy to spill out.

[0016] (2) The utility model discloses a second threaded rod is arranged to realize the accurate adjustment and control of the water pressure, so that the staff can obtain more accurate calibration values when calibrating the pressure of the urodynamic analyzer.

[0017] (3) The utility model discloses an amplifying tube with a larger inner diameter is arranged, so that the device can contain more water, and meanwhile, the thin U-shaped tube is more sensitive to the change of the water surface, which is beneficial to improving the reading accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a structure schematic diagram of clinical portable urodynamic analyzer calibration device.

[0019] Figure 2 The utility model provides a structure schematic diagram of the U-shaped tube part of the clinical portable urodynamic analyzer calibration device.

[0020] Figure 3 The utility model provides a structure schematic diagram of the pressurizing pipe part of the clinical portable urodynamic analyzer calibration device.

[0021] Figure 4 The explosion map of the pressurizing pipe part of the clinical portable urodynamic analyzer calibration device is provided by the utility model;

[0022] Figure 5 The structure schematic diagram of the piston part inside the pressurizing pipe of the clinical portable urodynamic analyzer calibration device is provided by the utility model;

[0023] Figure 6 The structure schematic diagram of the fixer of the clinical portable urodynamic analyzer calibration device is provided by the utility model.

[0024] Among them, the name corresponding to the reference sign is: 101, U-shaped pipe; 102, amplification pipe; 103, sealing cap; 104, connecting pipe; 105, catheter; 106, pressurizing pipe; 107, first threaded rod; 108, piston; 109, bearing; 110, knob; 111, second threaded rod; 112, tee pipe; 113, cap; 114, fixer; 115, threaded cylinder; 116, nut; 117, occlusion end. DETAILED DESCRIPTION

[0025] The utility model will be further explained in combination with the drawings and examples, and the mode of the utility model includes but is not limited to the following examples.

[0026] First embodiment:

[0027] As Figures 1-5 Indicated, the clinical portable urodynamic analyzer calibration device provided by the utility model, including: U-shaped pipe 101, the both pipe mouths of U-shaped pipe 101 are equipped with sealing cap 103, left and right each one, sealing cap 103 is installed on the pipe mouth by screw thread, is used for sealing the pipe mouth, installs connecting pipe 104 on sealing cap 103, one connecting pipe 104 is connected with catheter 105, another connecting pipe 104 connects pressure sensor, and the other end of catheter 105 is connected with pressurizing pipe 106, and pressurizing pipe 106 is equipped with piston 108 in, and piston 108 is rubber material, and the outer diameter is equivalent with the inner diameter of pressurizing pipe 106, can slide in pressurizing pipe 106, installs first threaded rod 107 on piston 108, and piston 108 is located at the end of first threaded rod 107, and piston 108 and first threaded rod 107 are equipped with bearing 109, and bearing 109 is installed on piston 108 on one side, and the other side is connected with first threaded rod 107, and the lower end opening of pressurizing pipe 106 is equipped with threaded support, and first threaded rod 107 is installed on threaded support, and the other end of first threaded rod 107 is fixedly installed knob 110, when using, first fills water in U-shaped pipe 101, then covers left and right two sealing caps 103 and according to the requirement of the test, the pressure of the water in U-shaped pipe 101 is adjusted by rotating knob 110, and then the test is carried out. Figure 1The conduit 105 and the pressurizing pipe 106 are connected in the manner that the piston 108 is adjusted to the lower end of the pressurizing pipe 106 in advance, then the knob 110 is rotated to drive the first threaded rod 107 to move upward under the action of the threaded support and drive the piston 108 to move forward, the air in the pressurizing pipe 106 is squeezed, as the pressure of the pressurizing pipe 106 increases, the water in the U-shaped pipe 101 moves upward at one end and downward at the other end, when the water surface is stable, the pressure difference between the two is the pressure in the pressurizing pipe 106, the pressure value provided can be roughly judged according to the scale number on the U-shaped pipe 101, at the same time, the pressure sensor connected by the connecting pipe 104 is used as a standard value, the scale number of the liquid surface in the U-shaped pipe 101 is recorded, finally, the pressure sensor of the urodynamic analyzer is connected to the connecting pipe 104, the liquid surface in the U-shaped pipe 101 is pressurized to the marked position, and the comparison and detection are carried out according to the pressure value on the urodynamic analyzer.

[0028] The data comparison and detection effect of the pressure sensor of the urodynamic analyzer is realized by setting the U-shaped pipe 101 and other related components, compared with the prior art, the device only injects water in the U-shaped pipe 101 and changes the water pressure through the pressurizing pipe 106, the water injection operation is faster, at the same time, the device is sealed as a whole, and the water in the U-shaped pipe 101 is not easy to spill out.

[0029] Second embodiment:

[0030] As shown in Figures 4-5 The middle part of the first threaded rod 107 is provided with a threaded hole, the second threaded rod 111 is installed in the threaded hole, one end of the first threaded rod 107 is connected with the knob 110, the other end is movably connected with the piston 108, the surface of the second threaded rod 111 is provided with more turns of threads than the first threaded rod 107, the end of the second threaded rod 111 is provided with an enlarged end, and the enlarged end is clamped in the groove of the piston 108, so that the piston 108 is connected with the lower device, in use, first, the first threaded rod 107 is rotated to drive the piston 108 to move in the pressurizing pipe 106, when the pressure in the pressurizing pipe 106 approaches the preset value, the second threaded rod 111 is rotated, the second threaded rod 111 is immediately rotated in the second threaded rod 111 and moves forward, the end of the first threaded rod 107 is connected with the piston 108 in a socket type, the second threaded rod 111 drives the piston 108 to move forward, because the surface of the second threaded rod 111 is provided with more turns of threads than the first threaded rod 107, the second threaded rod 111 controls the piston 108 to move with a smaller amplitude, and the pressure is adjusted more accurately.

[0031] The second threaded rod 111 is provided to realize the effect of accurate adjustment and control of the water pressure, so that more accurate calibration values can be obtained when the staff calibrates the pressure of the urodynamic analyzer.

[0032] Third embodiment:

[0033] As shown in Figure 2 The enlarged tube 102 is installed on the upper end of the U-shaped tube 101, and the inner diameter of the enlarged tube 102 is larger than that of the U-shaped tube 101.

[0034] The device can accommodate more water by setting the enlarged tube 102 with a larger inner diameter, and the thinner U-shaped tube 101 is more sensitive to changes in the water surface, which is beneficial to improve the reading accuracy.

[0035] Fourth embodiment:

[0036] As shown in Figures 4-5 The edge of the piston 108 is provided with multiple annular protrusions, and the material of the annular protrusions is the same as that of the piston 108, which is made of rubber. When the larger annular protrusion enters the pressurizing tube 106, the inner wall of the pressurizing tube 106 compresses the annular protrusion to deform, and the annular protrusion and the inner wall of the pressurizing tube 106 generate extrusion force.

[0037] The annular protrusion improves the sealing effect between the piston 108 and the pressurizing tube 106.

[0038] Fifth embodiment:

[0039] As shown in Figure 2 The upper end of the connecting tube 104 is provided with a tee pipe 112, one of the pipe openings of the tee pipe 112 is provided with a cap 113, and the three pipe openings of the tee pipe 112 are respectively connected to the measured pressure sensor, the standard pressure gauge and the lower end of the connecting tube 104.

[0040] According to the characteristic that the pressures in the three pipes are the same, the values of the measured pressure sensor and the standard pressure gauge are directly compared, which simplifies the operation.

[0041] Sixth embodiment:

[0042] As shown in Figure 6As shown, the pipe end of the catheter 105 is provided with a fixer 114 for enhancing the connection effect of the catheter 105 and the connecting pipe 104, the fixer 114 comprises a threaded cylinder 115, one end of the threaded cylinder 115 is provided with a snap end 117, the snap end 117 is made of elastic plastic, the snap end 117 is composed of a plurality of independent arc-shaped strips, one end of the arc-shaped strip is thicker than the other end, that is, the outer diameter of the snap end 117 is larger than the outer diameter of the threaded cylinder 115 at the lower end, the cross section of the snap end 117 is trapezoidal, the outer wall of the threaded cylinder 115 and the snap end 117 is provided with threads, the outer periphery of the threaded cylinder 115 is provided with a nut 116, in use, the fixer 114 is first sleeved on the catheter 105, and then the threaded cylinder 115 is sleeved on the connection part of the catheter 105 and the connecting pipe 104, the nut 116 is rotated, when the nut 116 is rotated to the snap end 117, the nut 116 radially compresses the snap end 117 with a larger outer diameter to make it shrink to the middle, and at the same time, the catheter 105 is compressed, so as to enhance the connection effect of the catheter 105 and the connecting pipe 104.

[0043] Working principle: first fill the U-shaped pipe 101 with water, then cover the left and right two sealing caps 103 and connect the catheter 105 and the pressurizing pipe 106 in the manner of Figure 1 , adjust the piston 108 to the lower end of the pressurizing pipe 106 in advance, then rotate the knob 110 to drive the first threaded rod 107 to rotate, the first threaded rod 107 moves upward under the action of the threaded support and drives the piston 108 to advance upward, extruding the air in the pressurizing pipe 106, as the pressure of the pressurizing pipe 106 increases, the pressurizing pipe 106 drives the water in the U-shaped pipe 101 to move upward at one end and downward at the other end, when the water surface is stable, the water level difference between the two is the pressure in the pressurizing pipe 106, according to the scale indication on the U-shaped pipe 101, the pressure value provided can be roughly judged, at the same time, the indication of the pressure sensor connected by the connecting pipe 104 is taken as a standard value, the indication of the liquid surface in the U-shaped pipe 101 at this time is recorded, finally, the pressure sensor of the urodynamic analyzer is connected to the connecting pipe 104, the liquid surface in the U-shaped pipe 101 is pressurized to the marked position, and the comparison detection is carried out according to the pressure value on the urodynamic analyzer.

[0044] The above embodiment is only one of the preferred embodiments of the present application, and should not be used to limit the protection scope of the present application, but any modification or polishing without substantial meaning made on the basis of the main design idea and spirit of the present application, and the technical problems solved are still consistent with the present application, which should be included in the protection scope of the present application.

Claims

1. A clinical portable urodynamic analyzer calibration device, characterized in that, include: A U-shaped tube (101) is provided with sealing caps (103) at both ends of the U-shaped tube (101). A connecting tube (104) is installed on the sealing cap (103). One of the connecting tubes (104) is connected to a conduit (105), and the other connecting tube (104) is connected to a pressure sensor. The other end of the conduit (105) is connected to a pressurizing tube (106). A piston (108) is provided inside the pressurizing tube (106). A first threaded rod (107) is installed on the piston (108). The piston (108) is located at the end of the first threaded rod (107). A threaded support is provided at the lower opening of the pressurizing tube (106). The first threaded rod (107) is installed on the threaded support. A knob (110) is fixedly installed at the other end of the first threaded rod (107).

2. The clinical portable urodynamic analyzer calibration device according to claim 1, characterized in that, The first threaded rod (107) has a threaded hole running through its middle section, and a second threaded rod (111) is installed in the threaded hole. One end of the first threaded rod (107) is connected to a knob (110), and the other end is movably connected to a piston (108).

3. The clinical portable urodynamic analyzer calibration device according to claim 1, characterized in that, An amplifying tube (102) is installed at the upper end of the U-shaped tube (101), and the inner diameter of the amplifying tube (102) is larger than the inner diameter of the U-shaped tube (101).

4. The clinical portable urodynamic analyzer calibration device according to claim 1, characterized in that, The piston (108) is made of rubber, and multiple annular protrusions are provided on the edge of the piston (108).

5. The clinical portable urodynamic analyzer calibration device according to claim 1, characterized in that, The upper end of the connecting pipe (104) is provided with a three-way pipe (112), and a cap (113) is provided at one of the openings of the three-way pipe (112).

6. The clinical portable urodynamic analyzer calibration device according to claim 1, characterized in that, The end of the conduit (105) is provided with a retainer (114), the retainer (114) includes a threaded cylinder (115), one end of the threaded cylinder (115) is provided with an engagement end (117), the engagement end (117) is composed of several independent arc-shaped strips, one end of the arc-shaped strip is thicker than the other end, and the cross-section is trapezoidal. The outer walls of the threaded cylinder (115) and the engagement end (117) are both provided with threads, and a nut (116) is provided around the threaded cylinder (115).

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