A device for monitoring renal pelvic pressure

Abstract

The present invention seeks to protect a renal pelvic pressure monitoring device, which includes a ureteroscope, an operation channel is provided in the ureteroscope, the ureteroscope is used to enter the renal pelvis from the ureter, a pressure detection ring is arranged around the outer wall of the ureteroscope, a pressure measuring channel is provided on the pressure detection ring, a pressure measuring pipe is arranged in the pressure measuring channel, one end of the pressure measuring pipe is flush with the pressure measuring channel, and the other end extends outside the body and is connected to the pressure detector, and a fixing bag is arranged around the outer wall of the pressure detection ring, and the fixing bag is used to fix the position of the ureter. In summary, the above technical scheme has the following beneficial effects: the ureteroscope is consistent with the existing surgical soft mirror, and has functions such as lighting, lithotripsy and liquid injection. The pressure detection ring on the ureteroscope can detect the pressure after the liquid is injected into the renal pelvis, and then the pressure in the renal pelvis can be further adjusted by adjusting the injection speed and injection amount through the ureteroscope.

Description

Technical Field

[0001] The present invention relates to the technical field of medical auxiliary equipment, and more particularly to a renal pelvis pressure monitoring device. Background Art

[0002] Ureteroscopic lithotripsy is a treatment method for those kidneys and ureters that cannot be broken by traditional extracorporeal lithotripsy, or patients with kidney problems who cannot receive lithotripsy treatment and some patients with giant kidney stones. During lithotripsy or ureteroscopy, liquids such as water, saline or liquid medicine need to be continuously poured into the renal pelvis and ureter to open the renal pelvis and ureter, open up space, and facilitate the placement of ureteroscope and optical fiber into the ureter and renal pelvis for laser lithotripsy. The invention patent with announcement number CN112674696A discloses a ureteroscope, which includes a mirror body and an operating handle, and the mirror body includes a tip, a bending part and an insertion part connected in sequence, and one end of the insertion part is connected to the operating handle. The other end of the insertion part is connected to the tip through the bending part. The tip is a columnar body made of a biocompatible hard material, and the columnar body can be made of stainless steel. The tip is provided with a micro camera, a lighting channel and an operating channel. There are two lighting channels and they are symmetrically arranged. Both the lighting channel and the operating channel are axially through-arranged. A soft mirror operating cavity is provided on one side of the operating handle. The soft mirror operating cavity is the opening of the operating channel. A three-way connector is provided at the opening end of the soft mirror operating cavity. The three-way connector is used to connect the optical fiber and the water injection valve. The optical fiber can extend into the operating channel.

[0003] However, during the process of filling liquids such as water, saline or liquid medicine, it is necessary to ensure that the pressure in the renal pelvis is kept within a reasonable range. If the renal pelvic pressure is too high, it will cause mucosal damage and urethral bacteria will be directly pressed into the blood by the water pressure, which may lead to serious blood infection in patients. Therefore, it is necessary to detect the pressure in the renal pelvis during the process of filling liquids such as water, saline or liquid medicine. How to detect the pressure of the renal pelvis during the process of filling the renal pelvis with liquid to open the operating space is exactly the problem considered by this application. Summary of the invention

[0004] In view of the deficiencies in the prior art, on the one hand, a renal pelvis pressure monitoring device is provided, which can detect the renal pelvis pressure.

[0005] In order to achieve the above purpose, the following technical solutions are provided:

[0006] A renal pelvic pressure monitoring device includes a ureteroscope with an operation channel provided therein. The ureteroscope is used to enter the renal pelvis from the ureter. A pressure detection ring is arranged around the outer ring wall of the ureteroscope. A pressure measuring channel is provided on the pressure detection ring. A pressure measuring pipe is arranged in the pressure measuring channel. One end of the pressure measuring pipe is flush with the pressure measuring channel, and the other end extends outside the body and is connected to a pressure detector. A fixing bag is arranged around the outer ring wall of the pressure detection ring. The fixing bag is used to fix the position of the ureter.

[0007] In summary, the above technical solution has the following beneficial effects: the ureteroscope is consistent with the existing surgical soft mirror, and has functions such as lighting, lithotripsy and liquid injection. The pressure detection ring on the ureteroscope can detect the pressure after liquid is injected into the renal pelvis, and then further adjust the pressure in the renal pelvis by adjusting the injection speed and injection amount through the ureteroscope. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 A schematic diagram of a renal pelvis pressure monitoring device in use;

[0009] Figure 2 A schematic diagram of a pressure detection collar structure of a renal pelvis pressure monitoring device;

[0010] Figure 3 A schematic diagram of a cross-sectional view of a control tube state of a renal pelvis pressure monitoring device;

[0011] Figure 4 A schematic diagram of a second cross-sectional view of a control tube state of a renal pelvis pressure monitoring device;

[0012] Figure 5 A schematic diagram of three cross-sectional views of the control tube state of a renal pelvis pressure monitoring device;

[0013] Figure 6 A schematic cross-sectional view of a control hole of a renal pelvis pressure monitoring device;

[0014] Figure 7 This is a schematic diagram of an enlarged view of area A of a renal pelvis pressure monitoring device.

[0015] Figure numerals: 10, ureteroscope; 11, operation channel; 12, control hole; 20, pressure detection ring; 21, pressure measuring channel; 22, drainage channel; 23, injection hole; 24, drainage hole; 25, elastic part; 30, pressure measuring pipeline; 40, fixing bag; 50, drainage pipeline; 60, control tube; 61, control handle; 70, flow meter. DETAILED DESCRIPTION

[0016] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The same parts are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0017] like Figure 1 and Figure 2 As shown, a renal pelvic pressure monitoring device includes a ureteroscope 10, an operation channel 11 is opened in the ureteroscope 10, and the ureteroscope 10 is used to enter the renal pelvis from the ureter. A pressure detection ring 20 is arranged on the outer ring wall of the ureteroscope 10, and a pressure measuring channel 21 is opened on the pressure detection ring 20. A pressure measuring pipe 30 is arranged in the pressure measuring channel 21, one end of the pressure measuring pipe 30 is flush with the pressure measuring channel 21, and the other end extends outside the body and is connected to the pressure detector. A fixing bag 40 is arranged on the outer ring wall of the pressure detection ring 20, and the fixing bag 40 is used to fix the position of the ureter. The ureteroscope 10 is consistent with the existing surgical soft mirror and has functions such as lighting, laser lithotripsy and liquid injection. The pressure detection ring 20 on the ureteroscope 10 can detect the pressure after the liquid is injected into the renal pelvis, and then further adjust the pressure in the renal pelvis by adjusting the injection speed and injection amount through the ureteroscope 10 to prevent excessive pressure. The fixing bag 40 is used to fix the ureteroscope 10 in the ureter, which is used to prevent the liquid in the renal pelvis from flowing out and fix the lower end of the ureteroscope 10 to facilitate surgical operations.

[0018] The flexible ureteroscope 10 comprises a mirror body and an operating handle, wherein the mirror body comprises a tip portion, a curved portion and an insertion portion connected in sequence, wherein one end of the insertion portion is connected to the operating handle, and the other end of the insertion portion is connected to the tip portion through the curved portion, and an operating channel 11 passes through the insertion portion, the curved portion and the tip portion in sequence. The pressure detection collar 20 is located at the insertion portion, and after the tip portion enters the renal pelvis, the pressure detection collar 20 is located in the ureter, and the outer side wall of the ring of the pressure detection collar 20 is flat, and the fixing capsule 40 can be conveniently fixed on the outer side wall of the ring, and there will be no air leakage, which is convenient for production and manufacturing. The operating handle can inject liquid into the renal pelvis and the upper part of the ureter through the operating channel 11, and because one end of the pressure measuring pipeline 30 is flush with the pressure measuring channel 21, the pressure measuring pipeline 30 does not enter the renal pelvis, and a larger operating space can be provided for the tip portion and the curved portion. The pressure detector detects the common pressure of the renal pelvis and the upper part of the ureter through the pressure measuring pipeline 30, which is also the pressure in the renal pelvis.

[0019] A drainage channel 22 is provided on the pressure detection collar 20, and a drainage pipe 50 is provided in the drainage channel 22. One end of the drainage pipe 50 is flush with the drainage channel 22, and the other end extends to the outside of the body to discharge the liquid in the renal pelvis. The drainage pipe 50 also does not enter the renal pelvis, providing a larger operating space for the tip and the curved part. The drainage pipe 50 is separately arranged from the pressure measuring pipe 30, and the pressure in the renal pelvis can be measured while the drainage operation is performed. The pressure measuring pipe 30 and the drainage pipe 50 are both attached to the ureteroscope 10 and extend to the outside of the body. The existing liquid circulation method is to discharge the liquid into the bladder through the contraction of the fixed capsule 40. The multiple contractions of the fixed capsule 40 will repeatedly squeeze the ureter. Each operation requires precise control of the expansion degree of the fixed capsule 40, which is time-consuming and laborious. The amount of liquid flowing out cannot be controlled or calculated, resulting in that the injected liquid cannot be precisely controlled, causing the pressure in the renal pelvis to change greatly, which easily causes the pressure value in the renal pelvis to be too large in an instant. The setting of the drainage channel 22 allows the liquid to flow out of the body from the drainage channel 22, preventing waste liquid from entering the bladder and causing pollution to the bladder. There is no need to inflate and fill the fixed bag 40 multiple times. The drainage channel 22 can also conveniently control the amount of liquid flow and the outflow speed, which is convenient for doctors to refer to and control the flow rate and flow rate of the injected liquid.

[0020] like Figure 3 , Figure 4 and Figure 5 As shown, a flow meter 70 is provided in the drainage channel 22. Because during renal pelvic surgery, liquid needs to be continuously injected into the renal pelvis to prevent the liquid in the renal pelvis from becoming turbid and affecting the line of sight, or it is necessary to continuously flush the surgical site with drugs. In the process of continuously injecting and discharging liquid, the pressure in the renal pelvis changes from time to time. The setting of the flow meter 70 can detect the amount of liquid discharged in the drainage channel 22, thereby facilitating the control of the amount of liquid input into the renal pelvis, so that the pressure in the renal pelvis can maintain a dynamic balance and the pressure will not fluctuate too much. The drainage pipe 50 can also control the liquid in the renal pelvis to stop discharging.

[0021] An injection hole 23 and a drainage hole 24 are provided on the outer ring wall of the pressure detection collar 20. The injection hole 23 is located above the drainage hole 24. The injection hole 23 is used for the liquid in the drainage channel 22 to flow into the fixed capsule 40. The drainage hole 24 is used for the liquid in the fixed capsule 40 to flow out of the drainage channel 22. A control tube 60 is slidably provided in the drainage pipe 50. When the upper end of the control tube 60 slides to the lower side of the injection hole 23 and the lower end is located below the drainage hole 24, The liquid in the renal pelvis flows into the fixed capsule 40 through the drainage channel 22; when the upper end of the control tube 60 slides to above the injection hole 23 and the lower end is located below the drainage hole 24, the liquid in the renal pelvis can only flow out to the body through the control tube 60 and the drainage channel 22 in sequence; when the upper end of the control tube 60 slides to above the injection hole 23 and the lower end is located above the drainage hole 24, the liquid in the fixed capsule 40 flows into the drainage channel 22 through the drainage channel 22. The injection hole 23 and the drainage hole 24 are used to connect the fixed capsule 40 and the drainage channel 22. When in use, there is no liquid in the fixed capsule 40, and the ureteroscope 10 can smoothly enter the ureter, and then the ureter injects liquid into the renal pelvis. At this time, the control tube 60 moves downward first to connect the injection hole 23 with the drainage channel 22, and the liquid will flow into the fixed capsule 40 from the drainage channel 22 and the injection hole 23 in turn. The fixed capsule 40 slowly becomes larger and will jam the ureter. During this process, the pressure detector can always detect The pressure in the renal pelvis is measured. If the fixed capsule 40 is not filled with liquid, the pressure in the renal pelvis will not exceed the safe range. When the pressure in the renal pelvis reaches the safe range, it can be determined that the liquid in the fixed capsule 40 is full, so that the fixed capsule 40 forms a "self-locking" state. Finally, the control tube 60 moves upward to block both the injection hole 23 and the drainage hole 24. At this time, the surrounding of the fixed capsule 40 blocks the inner wall of the ureter, and the liquid will not flow out from between the ureter and the fixed capsule 40. The tip and the curved part can also be operated more stably. When drainage is required, the control tube 60 moves upward, and the liquid in the ureter will squeeze the fixed capsule 40 from the outside of the fixed capsule 40, so that the liquid in the fixed capsule 40 flows out from the drainage hole 24.

[0022] The length of the control tube 60 is greater than the distance between the injection hole 23 and the discharge hole 24. Thus, the injection hole 23 and the discharge hole 24 can be blocked at the same time.

[0023] A control hole 12 for connecting the operation channel 11 and the drainage channel 22 is provided on the outer ring wall of the ureteroscope 10, and a control handle 61 extends from the outer ring wall of the control tube 60. The control handle 61 extends outside the body through the control hole 12 and the operation channel 11. The operating handle is connected to the control handle 61, and the upward and downward movement of the control tube 60 is controlled by the extension and retraction of the control handle 61.

[0024] like Figure 6As shown, the control hole 12 is a waist-shaped hole. The control handle 61 moves up and down in the waist-shaped hole, and the waist-shaped hole can limit the stroke of the control handle 61. When the control handle 61 moves to the upper limit of the waist-shaped hole, the upper end of the control tube 60 slides to the top of the injection hole 23, and the lower end is located above the discharge hole 24; when the control handle 61 moves to the lower limit of the waist-shaped hole, the upper end of the control tube 60 slides to the bottom of the injection hole 23, and the lower end is located below the discharge hole 24; when the control handle 61 moves to the middle of the waist-shaped hole, the upper end of the control tube 60 slides to the top of the injection hole 23, and the lower end is located below the discharge hole 24.

[0025] like Figure 7 As shown, elastic members 25 are provided at both ends of the control hole 12. When the fixing bag 40 needs to be filled with liquid or drained, the control handle 61 can be pushed to move up and down. When the control handle 61 is not operated by the operating handle, the elastic member 25 is used to limit the control handle 61 to the middle of the control hole 12 to prevent the operator from forgetting where the control handle 61 is located.

[0026] The above are only preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A renal pelvic pressure monitoring device, comprising a ureteroscope (10), wherein an operation channel (11) is provided in the ureteroscope (10), and the ureteroscope (10) is used to enter the renal pelvis from the ureter, characterized in that: A pressure detection collar (20) is disposed around the outer ring wall of the ureteroscope (10), a pressure measuring channel (21) is provided on the pressure detection collar (20), a pressure measuring pipe (30) is disposed in the pressure measuring channel (21), one end of the pressure measuring pipe (30) is flush with the pressure measuring channel (21), and the other end extends outside the body and is connected to a pressure detector, and a fixing bag (40) is disposed around the outer ring wall of the pressure detection collar (20), and the fixing bag (40) is used to fix the position of the ureter; The pressure detection collar (20) is provided with a drainage channel (22), and a drainage pipe (50) is arranged in the drainage channel (22), one end of the drainage pipe (50) is flush with the drainage channel (22), and the other end extends outside the body, and is used to discharge the liquid in the renal pelvis; The outer ring wall of the pressure detection collar (20) is provided with an injection hole (23) and a discharge hole (24), the injection hole (23) is located above the discharge hole (24), the injection hole (23) is used for allowing the liquid in the discharge channel (22) to flow into the fixed bag (40), and the discharge hole (24) is used for allowing the liquid in the fixed bag (40) to flow out of the discharge channel (22), and a control tube (60) is slidably arranged in the discharge pipe (50); When the upper end of the control tube (60) slides to below the injection hole (23) and the lower end is located below the drainage hole (24), the liquid in the renal pelvis flows into the fixing bag (40) through the drainage channel (22); When the upper end of the control tube (60) slides to the top of the injection hole (23) and the lower end is located below the drainage hole (24), the liquid in the renal pelvis can only flow out to the body through the control tube (60) and the drainage channel (22) in sequence; When the upper end of the control tube (60) slides to above the injection hole (23) and the lower end is located above the drainage hole (24), the liquid in the fixed bag (40) flows into the drainage channel (22) through the drainage channel (22).

2. The renal pelvic pressure monitoring device according to claim 1, characterized in that: A control hole (12) for connecting the operating channel (11) and the drainage channel (22) is provided on the outer ring wall of the ureteroscope (10); a control handle (61) extends from the outer ring wall of the control tube (60); and the control handle (61) extends outside the body through the control hole (12) and the operating channel (11).

3. The renal pelvic pressure monitoring device according to claim 1, characterized in that: The length of the control tube (60) is greater than the distance between the liquid injection hole (23) and the liquid discharge hole (24).

4. The renal pelvic pressure monitoring device according to claim 2, characterized in that: The control hole (12) is a waist-shaped hole.

5. The renal pelvic pressure monitoring device according to claim 4, characterized in that: Elastic parts (25) are provided at both upper and lower ends of the control hole (12).

6. The renal pelvic pressure monitoring device according to any one of claims 1 to 5, characterized in that: A flow meter (70) is arranged in the liquid discharge channel (22).

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