CN216907928U

CN216907928U - Ureter endoscope with pyeloid pressure monitoring function

Info

Publication number: CN216907928U
Application number: CN202123371127.9U
Authority: CN
Inventors: 李贵阳; 许琳媛
Original assignee: Shenyang Houde Medical Technology Co ltd
Current assignee: Shenyang Houde Medical Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-08
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of medical instruments, in particular to an endoscope for a ureter with a renal pelvis internal pressure monitoring function, which comprises an operating part, wherein one end of the operating part is provided with an endoscope body, one end of the endoscope body is provided with a tip part, and a pressure monitoring mechanism is arranged in the operating part; through setting up pressure monitoring mechanism, when the first elastic membrane of external liquid oppression, the inside air of air guide cavity is extruded to first elastic membrane, make the air extrude second elastic membrane, the second elastic membrane drives guide bar extrusion optical fiber pressure sensor again, make optical fiber pressure sensor can detect the pressure that the transmission was come in real time, and install optical fiber pressure sensor in the air guide cavity of operation portion inside, need not worry the problem of tip breaking optical fiber pressure sensor when rotatory, not only protected optical fiber pressure sensor's intact effectively, the degree of difficulty of staff routine maintenance or maintenance of still being convenient for, thereby the practicality of device has been improved.

Description

Ureter endoscope with pyeloid pressure monitoring function

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an endoscope for a ureter with a renal pelvis internal pressure monitoring function.

Background

Ureter pyeloscope examination is applicable to the auxiliary diagnostic method that whether diagnosis kidney is normal, and ureter pyeloscope is the important development on uropoiesis endoscope technique, and ureter pyeloscope can insert ureter or kidney through urethra and bladder, smashes ureter or kidney and takes out it.

At present, in order to monitor the real-time pressure of a renal pelvis working area in real time, manufacturers often install an optical fiber pressure sensor at the tip of a uretero-pyeloscope to monitor the real-time pressure of the renal pelvis working area in real time, because an optical fiber inside the optical fiber pressure sensor is fragile, but the tip of the ureter-pyeloscope needs to be rotated to a corresponding angle according to requirements, and the optical fiber is easily broken by the tip in the rotating process, so that the optical fiber pressure sensor is damaged, and normal pressure detection work cannot be carried out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide an endoscope for a ureter with a renal pelvis internal pressure monitor, which solves the problem that the pressure detection work cannot normally run due to the fact that an optical fiber is easily broken at the front end part.

The utility model achieves the aim through the following technical scheme, and the ureteral endoscope with the pyelonephium internal pressure monitoring function comprises an operation part, wherein one end of the operation part is provided with an endoscope body, one end of the endoscope body is provided with a tip part, a pressure monitoring mechanism is arranged in the operation part, and one end of the pressure monitoring mechanism sequentially penetrates through the operation part, the endoscope body and the tip part and extends to the outside of the tip part;

the pressure monitoring mechanism comprises three air guide cavities, the three air guide cavities are respectively arranged in the operation part, the endoscope body and the tip part, two adjacent air guide cavities are communicated, an optical fiber pressure sensor is arranged in the air guide cavity on one side, a guide assembly fixedly connected with the air guide cavity on one side is arranged on one side of the optical fiber pressure sensor, a first elastic membrane is embedded in the inner wall of the air guide cavity on the other side, and one end of the first elastic membrane sequentially penetrates through the air guide cavity on the other side and the tip part and extends to the outside of the tip part.

Preferably, the air guide cavity comprises uniformly distributed cavities, two adjacent cavities are communicated, and the cavities are spherical.

Preferably, the first elastic membrane has an arc-shaped cross-sectional shape, and a surface of the first elastic membrane is flush with a surface of the tip portion.

Preferably, the guide assembly comprises a sealing ring, a second elastic membrane is mounted on the inner surface of the sealing ring, and a guide rod in contact with the optical fiber pressure sensor is fixedly connected to the surface of the second elastic membrane.

Preferably, the second elastic membrane is disposed at a midpoint of the seal ring, and the guide rod is disposed at a midpoint of the second elastic membrane.

Preferably, the surface of the guide rod is sleeved with a positioning block, and the positioning block is fixedly connected to the surface of the sealing ring.

The utility model has the beneficial effects that: through setting up pressure monitoring mechanism, when the first elastic membrane of external liquid oppression, the inside air of air guide cavity is extruded to first elastic membrane, make the air extrude second elastic membrane, the second elastic membrane drives guide bar extrusion optical fiber pressure sensor again, make optical fiber pressure sensor can detect the pressure that the transmission was come in real time, and install optical fiber pressure sensor in the air guide cavity of operation portion inside, need not worry the problem of tip breaking optical fiber pressure sensor when rotatory, not only protected optical fiber pressure sensor's intact effectively, the degree of difficulty of staff routine maintenance or maintenance of still being convenient for, thereby the practicality of device has been improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the connection between the air-conducting cavity and the mirror body according to the present invention;

FIG. 3 is a schematic view of the attachment of the guide assembly to the gas directing chamber of the present invention;

fig. 4 is an exploded view of the guide assembly of the present invention.

In the figure: 1. an operation section; 2. a mirror body; 3. a tip portion; 4. a pressure monitoring mechanism; 401. a gas conducting cavity; 402. a first elastic film; 403. a guide assembly; 4031. a seal ring; 4032. a second elastic film; 4033. a guide rod; 4034. positioning blocks; 404. a fiber optic pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the specific implementation: as shown in fig. 1-4, an endoscope for ureteral catheter with monitoring of internal pressure of renal pelvis comprises an operation part 1, an endoscope body 2 is installed at one end of the operation part 1, a tip part 3 is installed at one end of the endoscope body 2, a pressure monitoring mechanism 4 is installed inside the operation part 1, one end of the pressure monitoring mechanism 4 sequentially penetrates through the operation part 1, the endoscope body 2 and the tip part 3 and extends to the outside of the tip part 3, the pressure monitoring mechanism 4 comprises three air guide cavities 401, the three air guide cavities 401 are respectively arranged inside the operation part 1, the endoscope body 2 and the tip part 3, two adjacent air guide cavities 401 are communicated, an optical fiber pressure sensor 404 is installed inside one air guide cavity 401, a guide assembly 403 fixedly connected with one side air guide cavity 401 is installed at one side of the optical fiber pressure sensor 404, a first elastic membrane 402 is embedded and installed on the inner wall of the other side air guide cavity 401, one end of the first elastic membrane 402 sequentially penetrates through the other side air guide cavity 401 and the tip part 3 and extends to the tip part 3 The optical fiber pressure sensor 404 is arranged inside the operation part 1, and the problem that the tip part 3 breaks the optical fiber pressure sensor 404 when rotating is avoided by adopting an air pressure conduction mode, so that the service life of the optical fiber pressure sensor 404 is greatly prolonged;

as shown in fig. 2, 3 and 4, the air guide cavity 401 includes cavities uniformly distributed, two adjacent cavities are communicated, the cavities are spherical, which can reduce the probability of deformation of the air guide cavity 401 when the tip portion 3 drives the air guide cavity 401 to rotate, so as to reduce the air pressure change inside the air guide cavity 401, thereby improving the detection accuracy of the optical fiber pressure sensor 404, the cross-sectional shape of the first elastic membrane 402 is arc, the surface of the first elastic membrane 402 is flush with the surface of the tip portion 3, which can make the surface of the tip portion 3 smoother, so as to reduce the resistance of the tip portion 3 moving in the patient, so that the tip portion 3 moves more smoothly;

as shown in fig. 3 and 4, the guiding assembly 403 includes a sealing ring 4031, a second elastic membrane 4032 is installed on an inner surface of the sealing ring 4031, a guiding rod 4033 in contact with the optical fiber pressure sensor 404 is fixedly connected to a surface of the second elastic membrane 4032, when air inside the air guiding cavity 401 presses the second elastic membrane 4032, the second elastic membrane 4032 drives the guiding rod 4033 to press the optical fiber pressure sensor 404, so that the optical fiber pressure sensor 404 can detect transmitted pressure in real time, the second elastic membrane 4032 is disposed at the center of the sealing ring 4031, the guiding rod 4033 is disposed at the center of the second elastic membrane 4032, which can ensure that the guiding rod 4033 accurately presses the optical fiber pressure sensor 404, ensure that the optical fiber pressure sensor 404 can detect pressure smoothly, and further improve the accuracy of pressure monitoring, a positioning block 4034 is sleeved on the surface of the guiding rod 4033, and the positioning block 4034 is fixedly connected to the surface of the sealing ring 4031, the positioning block 4034 can provide a supporting force for the guide bar 4033 to reduce the supporting burden of the second elastic membrane 4032, and meanwhile, the positioning block 4034 can also limit the movement track of the guide bar 4033 to ensure that the guide bar 4033 can normally move, so that the probability that the guide bar 4033 is clamped is reduced, and thus, the double beneficial effects of supporting and limiting are achieved.

When the device is used, when the external liquid presses the first elastic membrane 402, the first elastic membrane 402 presses the air in the air guide cavity 401, so that the air presses the second elastic membrane 4032, the second elastic membrane 4032 drives the guide rod 4033 to press the optical fiber pressure sensor 404, the optical fiber pressure sensor 404 can detect the transmitted pressure in real time, and the optical fiber pressure sensor 404 is arranged in the air guide cavity 401 in the operation part 1, so that the problem that the tip part 3 breaks the optical fiber pressure sensor 404 during rotation is avoided, the optical fiber pressure sensor 404 is effectively protected to be intact, the difficulty in daily maintenance or overhaul of workers is facilitated, and the practicability of the device is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An endoscope for a ureteral catheter with monitoring of the internal pressure of a renal pelvis comprises an operation part (1), and is characterized in that: a lens body (2) is installed at one end of the operation part (1), a tip part (3) is installed at one end of the lens body (2), a pressure monitoring mechanism (4) is installed inside the operation part (1), and one end of the pressure monitoring mechanism (4) penetrates through the operation part (1), the lens body (2) and the tip part (3) in sequence and extends to the outside of the tip part (3);

the pressure monitoring mechanism (4) comprises three air guide cavities (401), the three air guide cavities (401) are respectively arranged inside the operation part (1), the endoscope body (2) and the tip part (3), two adjacent air guide cavities (401) are communicated, an optical fiber pressure sensor (404) is arranged inside the air guide cavity (401) on one side, a guide component (403) fixedly connected with the air guide cavity (401) on one side is arranged on one side of the optical fiber pressure sensor (404), a first elastic membrane (402) is embedded into the inner wall of the air guide cavity (401) on the other side, and one end of the first elastic membrane (402) sequentially penetrates through the air guide cavity (401) on the other side and the tip part (3) and extends to the outside of the tip part (3).

2. The endoscope for ureteral catheter with monitoring of the internal pressure of renal pelvis according to claim 1, wherein: the air guide cavity (401) comprises cavities which are uniformly distributed, two adjacent cavities are communicated, and the cavities are spherical.

3. The endoscope for ureteral catheter with monitoring of the internal pressure of renal pelvis according to claim 1, wherein: the first elastic membrane (402) is arc-shaped in cross section, and the surface of the first elastic membrane (402) is flush with the surface of the tip portion (3).

4. The endoscope for ureteral catheter with monitoring of the internal pressure of renal pelvis according to claim 1, wherein: the guide assembly (403) comprises a sealing ring (4031), a second elastic membrane (4032) is mounted on the inner surface of the sealing ring (4031), and a guide rod (4033) in contact with the optical fiber pressure sensor (404) is fixedly connected to the surface of the second elastic membrane (4032).

5. The endoscope for ureteral catheter with monitoring of the internal pressure of renal pelvis according to claim 4, wherein: the second elastic membrane 4032 is provided at the midpoint of the seal ring 4031, and the guide bar 4033 is provided at the midpoint of the second elastic membrane 4032.

6. The endoscope for ureteral catheter with monitoring of the internal pressure of renal pelvis according to claim 4, wherein: the surface of the guide rod (4033) is sleeved with a positioning block (4034), and the positioning block (4034) is fixedly connected to the surface of the sealing ring (4031).