CN209952053U

CN209952053U - Ureter sheath rotary joint

Info

Publication number: CN209952053U
Application number: CN201920466231.XU
Authority: CN
Inventors: 程继文; 李天宇; 莫曾南
Original assignee: Guangxi Medical Association
Current assignee: Guangxi Medical Association
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-01-17
Anticipated expiration: 2029-04-03

Abstract

The utility model provides a ureteral sheath rotary joint, which comprises a sheath connecting pipe and a water outlet joint handle, wherein the front end of the sheath connecting pipe is connected with the ureteral sheath through a ring groove arranged on the end surface, and the tail end of the sheath connecting pipe is rotatably connected with the water outlet joint handle; the water outlet joint handle comprises a water outlet hopper and a rotary sleeve sleeved at the tail end of the sheath connecting pipe, the rotary sleeve is communicated with the bottom of the water outlet hopper, and a guide groove for guiding liquid to flow out is formed in the side wall of the water outlet hopper. The utility model provides a ureteral sheath rotary joint can avoid adjusting the problem that goes out water swivel handle angle and causes to put sheath position change, reduces patient's uncomfortable and feels, improves the efficiency of ureteral soft mirror operation.

Description

Ureter sheath rotary joint

Technical Field

The utility model relates to a urinary system medical instrument technical field, in particular to ureterocentesis rotary joint.

Background

In clinical medicine, before a retrograde ureteral soft endoscope operation is performed, a ureteral guide sheath needs to be placed in a ureteral catheter, and the ureteral sheath is connected with a water outlet joint handle, so that the guide of the ureteral soft endoscope and the real-time flow guide of lavage liquid are realized, the visual field is kept clear, and the internal pressure of a renal pelvis is reduced. The traditional ureteral sheath connecting pipe is fixedly connected with the handle, and when the angle of the water outlet joint handle is adjusted in a rotating mode, the ureteral sheath connecting pipe and the ureteral sheath can rotate along with the water outlet joint handle, so that the position of a guide sheath in an operation is changed. The position change of the guide sheath can cause discomfort to patients, and particularly patients with special physique and easy ureterospasm cannot bear the discomfort caused by the position change of the guide sheath. Therefore, the minimally invasive surgical instrument which can overcome the discomfort caused by the rotation of the water joint handle and the ureter spasm is designed, and has important clinical significance.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ureter sheath rotary joint can overcome adjustment water connectors handle angle and cause the problem of putting the sheath position change, can avoid improving the efficiency and the security of ureter soft mirror operation because of putting the discomfort that the sheath position change brought for the patient.

In order to realize the technical purpose, the technical effect is achieved, and the utility model discloses a following technical scheme solves above-mentioned problem:

a ureteral sheath rotary joint comprises a sheath connecting pipe and a water outlet joint handle, wherein the front end of the sheath connecting pipe is connected with a ureteral sheath through an annular groove formed in the end face, and the tail end of the sheath connecting pipe is rotatably connected with the water outlet joint handle; the water outlet joint handle comprises a water outlet hopper and a rotary sleeve sleeved at the tail end of the sheath connecting pipe, the rotary sleeve is communicated with the bottom of the water outlet hopper, and a guide groove for guiding liquid to flow out is formed in the side wall of the water outlet hopper.

In the scheme, an annular groove is formed in the end face of the sheath connecting pipe, and the tail end of the ureteral sheath is inserted into the annular groove to be fixedly connected with the sheath connecting pipe. The water outlet joint handle is rotatably connected with the water outlet joint handle through a rotary sleeve sleeved at the tail part of the tube sheath connecting tube. Through the structure, the rotation of the tube sheath connecting tube can not be caused when the water outlet joint handle is rotated, the position change of the sheath placing position can not be caused, the continuous drainage of the ureter can be kept, and the smooth operation is facilitated.

In order to avoid liquid leakage at the joint of the water outlet connector handle and the tube sheath connecting pipe, an annular sealing groove is formed in the connecting surface of the tube sheath connecting pipe and the rotary sleeve, and a sealing ring is assembled in the sealing groove.

In order to prevent the fluid from flowing to the operating table and the body of the patient, the effective guide of the fluid such as lavage liquid, urine and the like is realized. The guide groove is provided with a guide joint, and the guide joint comprises a semicircular guide sleeve matched with the tail end of the guide groove and a guide through pipe communicated with the guide sleeve.

Furthermore, the diameter of guide siphunculus is less than guide sleeve's radius, guide siphunculus one end and guide sleeve's terminal surface intercommunication, and the outer wall of the other end sets up the ripple connection structure who is used for being connected with the plastic hose cooperation, and ripple connection structure improves guide joint and plastic hose's stability of being connected.

Furthermore, the tail end of the guide groove is of a semicircular structure, and a semicircular groove matched with the semicircular structure is formed in the guide sleeve. The semicircular groove structure is convenient to be connected with the guide sleeve, and the connection stability and the sealing performance of the guide groove and the guide sleeve can be improved to a certain extent.

In order to enable the connection surface of the tube sheath connecting tube and the rotary sleeve to be smooth, a shaft shoulder is arranged at the tail end of the tube sheath connecting tube, the rotary sleeve is sleeved at the tail end of the tube sheath connecting tube and is positioned through the shaft shoulder, and the outer diameter of the tube sheath connecting tube is the same as that of the rotary sleeve.

In order to facilitate the detachment and installation of the sheath connecting pipe and the ureteral sheath, the outer wall of the front end of the sheath connecting pipe is provided with a plum blossom ear-shaped structure.

The utility model has the advantages and effects that:

1. the pipe sheath connecting pipe and the water outlet joint handle in the device are of a structure capable of rotating relatively, and the problem that the position of the sheath is changed due to the fact that the angle of the water outlet joint handle is adjusted can be avoided.

2. The rotary sleeve of the water outlet joint handle is sleeved at the tail end of the sheath connecting pipe, and the connecting surface is provided with an annular sealing ring, so that the rotary connection is ensured, and the liquid leakage at the connecting part is avoided.

3. The water outlet joint handle is provided with the guide groove, the guide groove and the guide joint are combined to realize effective guide of fluid, and pollution caused by the influence of the fluid flowing to an operating table is avoided.

Drawings

Fig. 1 is a schematic structural view of a ureteral sheath rotary joint;

FIG. 2 is an exploded view of a ureteral sheath swivel;

figure 3 is a cross-sectional view of a ureteral sheath swivel.

And (3) identifying the figure number: 1. the catheter sheath comprises a catheter sheath connecting pipe 11, an annular groove 12, a sealing groove 13, a plum blossom ear-shaped structure 2, a water outlet joint handle 21, a water outlet bucket 22, a rotary sleeve 23, a guide groove 3, a ureteral sheath 4, a guide joint 41, a guide sleeve 42, a guide through pipe 5 and a sealing ring.

Detailed Description

The present invention will be further described with reference to the following examples, but the present invention is not limited to these examples.

The ureteral sheath rotary joint of this embodiment, the main part comprises sheath connecting pipe 1, water outlet joint handle 2, guide joint 4, as shown in fig. 1, 2. Wherein the front end of the tube sheath connecting tube 1 is provided with an annular groove 11 matched with the section of the ureteral sheath 3, and the tail end of the ureteral sheath 3 is inserted and fixed in the annular groove 11 to realize the detachable connection of the tube sheath connecting tube 1 and the ureteral sheath 3. The outer wall of the front end of the tube sheath connecting tube 1 is provided with a plum blossom ear-shaped structure 13, and the plum blossom ear-shaped structure 13 is beneficial to the disassembly and assembly of the tube sheath connecting tube 1 and the ureteral sheath 3.

As shown in fig. 1 and 2, the water outlet joint handle 2 is composed of a water outlet bucket 21, a rotary sleeve 22 and a guide groove 23. The shaft shoulder is opened at the tail end of tube sheath connecting pipe 1, and rotary sleeve 22 can rotationally cup joint in tube sheath connecting pipe 1 tail end, and rotary sleeve 22's top is passed through the shaft shoulder and is fixed a position. In order to make the connection surface flat and beautiful, the tube sheath connecting tube 1 and the rotary sleeve 22 adopt the same outer diameter. The annular sealing groove 12 is formed in the connecting surface of the tube sheath connecting tube 1 and the rotating sleeve 22, the sealing ring 5 is assembled in the sealing groove 12, the connecting surface is subjected to waterproof sealing through the sealing ring 5, and the liquid leakage at the connecting part of the two tubes can be avoided, so that the speed and the quality of an operation are influenced.

The water outlet hopper 21 is a semicircular cambered hopper, the bottom of the semicircular cambered hopper is communicated with the rotary sleeve 22, and a guide groove 23 for guiding liquid to flow out is arranged on the side wall of the hopper opening. The cross section of the guide groove 23 is a semicircular structure, which can guide the water outlet bucket 21 to flow to a target direction.

As shown in fig. 2 and 3, to ensure the guiding effect, a guiding joint 4 is disposed at the tail end of the guiding slot 23, the guiding joint 4 is composed of a guiding sleeve 41 and a guiding through pipe 42, the guiding sleeve 41 is a semicircular sleeve matched with the tail end of the guiding slot 23, and the guiding sleeve 41 is sleeved on the tail end of the guiding slot 23. The tail end of the guide groove 23 is cut into a pointed structure, which facilitates the connection of the guide groove 23 and the guide sleeve 41.

As shown in fig. 3, the diameter of the guide tube 42 is smaller than the radius of the guide sleeve 41, one end of the guide tube 42 is communicated with the end face of the guide sleeve 41, and the outer wall of the other end is provided with a corrugated connection structure for being connected with the plastic hose in a matching manner, so that the connection stability of the two tubes can be improved to a certain extent by the corrugated connection structure, and the leakage of the guided liquid is prevented from polluting the surgical environment.

The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments may be made without departing from the principles and spirit of the invention, which is within the scope of the invention.

Claims

1. The utility model provides a ureter sheath rotary joint, includes tube sheath connecting pipe (1) and goes out water connector handle (2), its characterized in that: the front end of the sheath connecting pipe (1) is connected with the ureteral sheath (3) through an annular groove (11) arranged on the end surface, and the tail end of the sheath connecting pipe is rotatably connected with the water outlet joint handle (2);

the water outlet joint handle (2) comprises a water outlet hopper (21) and a rotary sleeve (22) sleeved at the tail end of the sheath connecting pipe (1), the rotary sleeve (22) is communicated with the bottom of the water outlet hopper (21), and a guide groove (23) for guiding liquid to flow out is formed in the side wall of the water outlet hopper (21).

2. The ureteral sheath swivel joint of claim 1, wherein: an annular sealing groove (12) is formed in the connecting surface of the tube sheath connecting tube (1) and the rotating sleeve (22), and a sealing ring (5) is assembled in the sealing groove (12).

3. The ureteral sheath swivel joint of claim 1, wherein: the guide groove (23) is provided with a guide joint (4), and the guide joint (4) comprises a semicircular guide sleeve (41) matched with the tail end of the guide groove (23) and a guide through pipe (42) communicated with the guide sleeve (41).

4. A ureteral sheath swivel joint according to claim 3, wherein: the diameter of the guide through pipe (42) is smaller than the radius of the guide sleeve (41), one end of the guide through pipe (42) is communicated with the end face of the guide sleeve (41), and the outer wall of the other end of the guide through pipe is provided with a corrugated connecting structure which is used for being connected with a plastic hose in a matched mode.

5. A ureteral sheath swivel joint according to claim 3, wherein: the tail end of the guide groove (23) is provided with a pointed structure which is convenient for inserting the guide sleeve (41).

6. The ureteral sheath swivel joint of claim 1, wherein: the tail end of the sheath connecting pipe (1) is provided with a shaft shoulder, the rotary sleeve (22) is sleeved at the tail end of the sheath connecting pipe (1) and is positioned through the shaft shoulder, and the outer diameters of the sheath connecting pipe (1) and the rotary sleeve (22) are the same.

7. The ureteral sheath swivel joint of claim 1, wherein: the outer wall of the front end of the sheath connecting pipe (1) is provided with a plum blossom ear-shaped structure (13).