CN114795214A - Pressure monitoring devices in renal pelvis - Google Patents

Abstract

The invention discloses a pressure monitoring device in a renal pelvis, which comprises a flexible ureteroscope, wherein an operation channel is arranged in the flexible ureteroscope, the flexible ureteroscope is used for entering the renal pelvis from a ureter, a pressure detection lantern ring is arranged on the outer side wall of the flexible ureteroscope in a surrounding manner, a pressure measurement channel is arranged on the pressure detection lantern ring, a pressure measurement pipeline is arranged in the pressure measurement channel, one end of the pressure measurement pipeline is flush with the pressure measurement channel, the other end of the pressure measurement pipeline extends outwards and is connected with a pressure detector, a fixing bag is arranged on the outer side wall of the pressure detection lantern ring in a surrounding manner, and the fixing bag is used for fixing the position of the ureter. To sum up, the above technical scheme has the following beneficial effects: the flexible ureteroscope is consistent with the existing flexible ureteroscope and has the functions of illumination, lithotripsy, liquid injection and the like, and the pressure detection ring on the flexible ureteroscope can detect the pressure after liquid is injected into the renal pelvis and then further adjust the water injection speed and the water injection quantity through the flexible ureteroscope to adjust the pressure in the renal pelvis.

Description

Pressure monitoring devices in renal pelvis

Technical Field

The invention relates to the technical field of medical auxiliary equipment, in particular to a renal pelvis internal pressure monitoring device.

Background

The ureter soft lens lithotripsy is a treatment method which is adopted by patients who cannot receive lithotripsy treatment and large kidney stones because the traditional external lithotripsy operation cannot be broken down in the kidney and ureter or the kidney of the patient has problems. When carrying out lithotripsy operation or ureteroscopy, need constantly pour into renal pelvis and ureter with liquid such as water, normal saline or liquid medicine and prop up renal pelvis and ureter, open the space, be convenient for put ureter soft lens and optic fibre in ureter and renal pelvis thereby carry out laser lithotripsy operation. The invention patent with publication number CN112674696A discloses a ureteral soft endoscope, which comprises an endoscope body and an operating handle, wherein the endoscope body comprises a tip part, a bending part and an insertion part which are sequentially connected, and one end of the insertion part is connected with the operating handle. The other end of the insertion part is connected with the front end part through a bending part. The tip part is a cylindrical body made of a biocompatible hard material, and the cylindrical body can be made of a stainless steel material. The tip part is provided with a miniature camera, two illumination channels and an operation channel, the illumination channels are symmetrically arranged, and the illumination channels and the operation channel are arranged in a penetrating way along the axial direction. One side of the operating handle is provided with a soft lens operating cavity which is an opening of the operating channel, the opening end of the soft lens operating cavity is provided with a three-way joint, the three-way joint is used for connecting an optical fiber and a water injection valve, and the optical fiber can extend into the operating channel.

However, in the process of infusing liquid such as water, physiological saline or liquid medicine, etc., the pressure in the renal pelvis needs to be kept in a reasonable interval, if the renal pelvis pressure is too high, mucosal injury and the situation that urinary tract bacteria are directly pressed into blood by water pressure can be caused, and further serious blood infection of a patient can be caused. It is therefore necessary to detect the pressure inside the renal pelvis during the administration of a liquid such as water, physiological saline, or a medical liquid. How to detect the pressure of the renal pelvis during the process of opening the operating space by pouring liquid into the renal pelvis is a matter of consideration in the present application.

Disclosure of Invention

In view of the deficiencies of the prior art, in one aspect, a device for monitoring intra-renal pelvis pressure is provided that is capable of detecting intra-renal pelvis pressure.

In order to realize the purpose, the following technical scheme is provided:

the utility model provides an internal pressure monitoring devices of renal pelvis, it is including the soft mirror of ureter, operation passageway has been seted up in the soft mirror of ureter, the soft mirror of ureter is used for getting into in the renal pelvis from the ureter, the ring lateral wall of the soft mirror of ureter is gone up to surround and is provided with the pressure detection lantern ring, the pressure measurement passageway has been seted up on the pressure detection lantern ring, be provided with the pressure measurement pipeline in the pressure measurement passageway, the one end and the pressure measurement passageway of pressure measurement pipeline flush, the other end is to external extension, and be connected with pressure detector, it is provided with fixed bag to surround on the ring lateral wall of the pressure detection lantern ring, fixed bag is used for the position of fixed ureter.

To sum up, the above technical scheme has the following beneficial effects: the flexible ureteroscope is consistent with the existing flexible ureteroscope and has the functions of illumination, lithotripsy, liquid injection and the like, and the pressure detection ring on the flexible ureteroscope can detect the pressure after liquid is injected into the renal pelvis and then further adjust the water injection speed and the water injection quantity through the flexible ureteroscope to adjust the pressure in the renal pelvis.

Drawings

FIG. 1 is a schematic diagram of a monitoring device for monitoring the pressure in the renal pelvis;

FIG. 2 is a schematic diagram of a pressure detection collar of a pressure monitoring device in the renal pelvis;

FIG. 3 is a schematic diagram showing a cross-sectional view of the status of the control tube of a pressure monitoring device within the renal pelvis;

FIG. 4 is a schematic diagram of a control tube state in a renal pelvis pressure monitoring device in a two-section view;

FIG. 5 is a schematic diagram of a three-sectional view of the status of the control tube of a pressure monitoring device within the renal pelvis;

FIG. 6 is a schematic diagram of a cross-sectional view of a control port of a pressure monitoring device within the renal pelvis;

fig. 7 is an enlarged view of a region a of a pressure monitoring device in the renal pelvis.

Reference numerals: 10. a ureter soft lens; 11. an operation channel; 12. a control hole; 20. a pressure sensing collar; 21. a pressure measuring channel; 22. a liquid discharge channel; 23. a liquid injection hole; 24. a drain hole; 25. an elastic member; 30. a pressure measuring pipeline; 40. a fixing bag; 50. a liquid discharge conduit; 60. a control tube; 61. a control handle; 70. and a flow meter.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 and fig. 2, a pressure monitoring device in a renal pelvis comprises a soft ureteroscope 10, an operation channel 11 is formed in the soft ureteroscope 10, the soft ureteroscope 10 is used for entering the renal pelvis from a ureter, a pressure detection lantern ring 20 is arranged around the outer side wall of the soft ureteroscope 10, a pressure measurement channel 21 is formed on the pressure detection lantern ring 20, a pressure measurement pipeline 30 is arranged in the pressure measurement channel 21, one end of the pressure measurement pipeline 30 is flush with the pressure measurement channel 21, the other end of the pressure measurement pipeline extends outwards and is connected with a pressure detector, a fixing bag 40 is arranged around the outer side wall of the ring of the pressure detection lantern ring 20, and the fixing bag 40 is used for fixing the position of the ureter. The flexible ureteroscope 10 is consistent with the existing flexible ureteroscope and has functions of illumination, laser lithotripsy, liquid injection and the like, the pressure detection lantern ring 20 on the flexible ureteroscope 10 can detect the pressure after liquid is injected into the renal pelvis, then the pressure in the renal pelvis is adjusted by further adjusting the water injection speed and the water injection amount through the flexible ureteroscope 10, the pressure is prevented from being overlarge, and the fixed bag 40 is used for fixing the flexible ureteroscope 10 in a ureter and is used for blocking the liquid in the renal pelvis from flowing out and fixing the lower end of the flexible ureteroscope 10, so that the operation is convenient.

The ureter soft lens 10 comprises a lens body and an operating handle, wherein the lens body comprises a tip part, a bending part and an insertion part which are sequentially connected, one end of the insertion part is connected with the operating handle, the other end of the insertion part is connected with the tip part through the bending part, and an operating channel 11 sequentially penetrates through the insertion part, the bending part and the tip part. The pressure detection lantern ring 20 is located the inserting part, after the tip portion gets into the renal pelvis, the pressure detection lantern ring 20 is located the ureter, the ring lateral wall of the pressure detection lantern ring 20 is level and smooth, can conveniently supply fixed bag 40 to fix on its ring lateral wall, the phenomenon of gas leakage can not appear, the manufacturing of being convenient for, operating handle can pour into liquid into in the first half of renal pelvis and ureter through operation passageway 11, because the one end of pressure measurement pipeline 30 flushes with pressure measurement passageway 21, so pressure measurement pipeline 30 does not get into in the renal pelvis, can provide bigger operating space for tip portion and flexion. The pressure detector detects through the pressure measurement line 30 the pressure common to the renal pelvis and the upper ureter half, which is also the pressure within the renal pelvis.

The pressure detection lantern ring 20 is provided with a liquid drainage channel 22, a liquid drainage pipeline 50 is arranged in the liquid drainage channel 22, one end of the liquid drainage pipeline 50 is flush with the liquid drainage channel 22, and the other end of the liquid drainage pipeline extends outwards and is used for discharging liquid in the renal pelvis. The drainage tube 50 does not enter the renal pelvis as well, providing a larger operation space for the tip portion and the bending portion, and the drainage tube 50 is provided separately from the pressure measurement tube 30 so that the drainage operation can be performed while measuring the pressure in the renal pelvis. The pressure measuring pipeline 30 and the liquid discharge pipeline 50 both extend to the outside of the body along with the ureteral soft lens 10. The existing liquid circulation mode is that liquid is discharged into the bladder through the contraction of the fixed bag 40, the fixed bag 40 repeatedly contracts to extrude the ureter, the expansion degree of the fixed bag 40 needs to be accurately controlled in each operation, the operation is time-consuming and labor-consuming, the liquid outflow amount cannot be controlled and cannot be calculated, the injected liquid cannot be accurately controlled, the pressure change in the renal pelvis is large, and the instantaneous overlarge condition of the pressure value in the renal pelvis is easily caused. The liquid discharge channel 22 is arranged to allow liquid to flow out of the body from the liquid discharge channel 22, so as to prevent waste liquid from entering the bladder and polluting the bladder, and the fixed bag 40 does not need to be inflated and filled for multiple times, and the liquid discharge channel 22 can also conveniently control the flow rate and the outflow speed of the liquid, thereby facilitating the reference of a doctor and controlling the flow rate and the flow velocity of the injected liquid.

As shown in fig. 3, 4 and 5, a flow meter 70 is provided in the liquid discharge passage 22. When the renal pelvis operation is performed, liquid needs to be continuously injected into the renal pelvis to prevent the liquid in the renal pelvis from becoming turbid and affecting the sight or the operation position needs to be continuously flushed by medicaments. In the process of continuously injecting and discharging liquid, the pressure in the renal pelvis changes from time to time, and the flow meter 70 can detect the amount of the liquid discharged from the liquid discharge channel 22, so that the amount of the liquid input into the renal pelvis is conveniently controlled, the pressure in the renal pelvis can be kept in dynamic balance, and the pressure cannot be shifted too much. The drain 50 may also control the cessation of drainage of fluid from within the renal pelvis.

The outer side wall of the pressure detection lantern ring 20 is provided with a liquid injection hole 23 and a liquid discharge hole 24, the liquid injection hole 23 is positioned above the liquid discharge hole 24, the liquid injection hole 23 is used for allowing liquid in the liquid discharge channel 22 to flow into the fixed bag 40, the liquid discharge hole 24 is used for allowing liquid in the fixed bag 40 to flow out of the liquid discharge channel 22, and a control pipe 60 is slidably arranged in the liquid discharge pipeline 50; when the upper end of the control tube 60 slides to the lower part of the liquid injection hole 23 and the lower end is positioned below the liquid discharge hole 24, the liquid in the renal pelvis flows into the fixed capsule 40 through the liquid discharge passage 22; when the upper end of the control tube 60 slides to the upper part of the liquid injection hole 23 and the lower end is positioned below the liquid discharge hole 24, the liquid in the renal pelvis can only sequentially flow out of the body through the control tube 60 and the liquid discharge channel 22; when the upper end of the control tube 60 is slid above the liquid inlet hole 23 and the lower end is positioned above the liquid outlet hole 24, the liquid in the fixing bag 40 flows into the liquid outlet passage 22 through the liquid outlet passage 22. The liquid injection hole 23 and the liquid discharge hole 24 are both used for communicating the fixed bag 40 and the liquid discharge channel 22, when the ureteroscope is used, no liquid exists in the fixed bag 40, the ureteroscope 10 can smoothly enter a ureter, then the ureter injects the liquid into the renal pelvis, at the moment, the control tube 60 moves downwards firstly, the liquid injection hole 23 is communicated with the liquid discharge channel 22, the liquid can flow into the fixed bag 40 from the liquid discharge channel 22 and the liquid injection hole 23 in sequence, the fixed bag 40 slowly becomes excrement and clamps the ureter, in the process, the pressure detector can always detect the pressure in the renal pelvis, if the fixed bag 40 is not filled with the liquid, the pressure in the renal pelvis cannot exceed a safety range, when the pressure in the renal pelvis reaches a safety range, the liquid in the fixed bag 40 can be judged to be filled, the fixed bag 40 is enabled to form self-locking, finally, the control tube 60 moves upwards to block the liquid injection hole 23 and the liquid discharge hole 24, and the inner wall of the ureter around the fixed bag 40 is clamped, the fluid does not flow out from between the ureter and the fixing bag 40, and the distal end portion and the bending portion can be operated more stably. When drainage is required, the control tube 60 moves upward, and the liquid in the ureter presses the fixing bag 40 from the outside of the fixing bag 40, so that the liquid in the fixing bag 40 flows out through the drainage hole 24.

The length of the control pipe 60 is longer than the distance between the liquid injection hole 23 and the liquid discharge hole 24. Thereby simultaneously blocking the liquid inlet 23 and the liquid outlet 24.

A control hole 12 for communicating the operation channel 11 and the drainage channel 22 is formed in the outer side wall of the ring of the ureter soft lens 10, a control handle 61 extends out of the outer side wall of the ring of the control tube 60, and the control handle 61 extends out of the body through the control hole 12 and the operation channel 11. The operating handle is connected to a control knob 61, and the control tube 60 is controlled to move up and down by the expansion and contraction of the control knob 61.

As shown in fig. 6, the control hole 12 is a kidney-shaped hole. The control handle 61 moves up and down in the kidney-shaped hole, the kidney-shaped hole can limit the stroke of the control handle 61, when the control handle 61 moves to the upper limit position of the kidney-shaped hole, the upper end of the control pipe 60 slides to be above the liquid injection hole 23, and the lower end is positioned above the liquid discharge hole 24; when the control handle 61 is moved to the lower limit of the waist-shaped hole, the upper end of the control pipe 60 slides to the position below the liquid injection hole 23, and the lower end is positioned below the liquid discharge hole 24; when the control knob 61 is moved to the middle of the kidney-shaped hole, the upper end of the control tube 60 is slid to the upper side of the liquid injection hole 23, and the lower end is positioned below the liquid discharge hole 24.

As shown in fig. 7, the elastic members 25 are provided at both upper and lower ends of the control hole 12. When the fixing bag 40 needs to be filled with liquid or drained with liquid, the control handle 61 can be pushed to move up and down, and when the control handle 61 is not operated by the operating handle, the elastic element 25 is used for limiting the control handle 61 in the middle of the control hole 12, so that the operator is prevented from forgetting where the control handle 61 is located.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (8)

1. The utility model provides a pressure monitoring devices in renal pelvis, is including soft mirror (10) of ureter, operation passageway (11) have been seted up in soft mirror (10) of ureter, soft mirror (10) of ureter are used for getting into in the renal pelvis from the ureter, a serial communication port, the ring lateral wall of soft mirror (10) of ureter is gone up and is provided with pressure detection lantern ring (20), pressure measurement passageway (21) have been seted up on the pressure detection lantern ring (20), be provided with pressure measurement pipeline (30) in pressure measurement passageway (21), the one end and pressure measurement passageway (21) of pressure measurement pipeline (30) flush, and the other end extends to the external to be connected with pressure detector, the ring lateral wall of pressure detection lantern ring (20) is gone up and is provided with fixed bag (40) in the ring, fixed bag (40) are used for fixing the position of ureter.

2. The pressure monitoring device in the renal pelvis according to claim 1, wherein a drainage channel (22) is opened on the pressure detection lantern ring (20), a drainage pipeline (50) is arranged in the drainage channel (22), one end of the drainage pipeline (50) is flush with the drainage channel (22), and the other end of the drainage pipeline extends outwards for discharging liquid in the renal pelvis.

3. The pressure monitoring device in the renal pelvis according to claim 2, wherein the outer side wall of the ring of the pressure detection sleeve ring (20) is provided with a liquid injection hole (23) and a liquid discharge hole (24), the liquid injection hole (23) is positioned above the liquid discharge hole (24), the liquid injection hole (23) is used for allowing the liquid in the liquid discharge channel (22) to flow into the fixed bag (40), the liquid discharge hole (24) is used for allowing the liquid in the fixed bag (40) to flow out from the liquid discharge channel (22), and the liquid discharge pipeline (50) is internally provided with a control tube (60) in a sliding manner;

when the upper end of the control tube (60) slides to the position below the liquid injection hole (23) and the lower end is positioned below the liquid discharge hole (24), the liquid in the renal pelvis flows into the fixed sac (40) through the liquid discharge channel (22);

when the upper end of the control tube (60) slides to the upper part of the liquid injection hole (23) and the lower end is positioned below the liquid discharge hole (24), the liquid in the renal pelvis can only sequentially flow out of the body through the control tube (60) and the liquid discharge channel (22);

when the upper end of the control tube (60) slides to the upper part of the liquid injection hole (23) and the lower end is positioned above the liquid discharge hole (24), the liquid in the fixed bag (40) flows into the liquid discharge channel (22) through the liquid discharge channel (22).

4. The intra-renal pelvis pressure monitoring device according to claim 3, wherein a control hole (12) for communicating the operation channel (11) and the drainage channel (22) is formed in the outer side wall of the ring of the ureteral soft lens (10), a control handle (61) extends out of the outer side wall of the ring of the control tube (60), and the control handle (61) extends out of the body through the control hole (12) and the operation channel (11).

5. The pressure monitoring device in the renal pelvis according to claim 3, wherein the control tube (60) has a length longer than a distance between the liquid injection hole (23) and the liquid discharge hole (24).

6. The intra-renal pelvis pressure monitoring device according to claim 4, wherein the control hole (12) is a kidney-shaped hole.

7. The pressure monitoring device in renal pelvis according to claim 6, wherein the upper and lower ends of the control hole (12) are provided with elastic members (25).

8. The intra-renal pelvis pressure monitoring device according to any one of claims 2-7, wherein a flow meter (70) is provided in the drainage channel (22).

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