CN216221595U

CN216221595U - Bladder puncture fistulization needle for urinary surgery

Info

Publication number: CN216221595U
Application number: CN202121941963.3U
Authority: CN
Inventors: 梁宇; 李海波; 昂小杰
Original assignee: 901th Hospital of the Joint Logistics Support Force of Pla
Current assignee: 901th Hospital of the Joint Logistics Support Force of Pla
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-04-08
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a bladder puncture fistulization needle for urinary surgery, which comprises a hollow puncture tube, wherein the lower end of the hollow puncture tube is a puncture tip part, the upper end of the hollow puncture tube is provided with a handle, an inner core is arranged in the hollow puncture tube, the upper end of the inner core is inserted into the handle, the lower end of the inner core is a blunt head part, and a spring which applies acting force to the puncture tip part of the lower end of the inner core, which protrudes out of the puncture tip part of the lower end of the hollow puncture tube, is arranged in the handle; a sleeve is arranged outside the hollow puncture tube; the sheathed tube outside cover is equipped with hollow outer tube, and hollow outer tube is the body of half-and-half tearing in the middle of can, and the upper end of hollow outer tube is provided with a pair of handle of conveniently tearing the operation, and the laminating of hollow outer tube inner wall and sheathed tube outer wall, and oppression anticreep arch gets into the sleeve pipe inner chamber by the opening, is equipped with the scale mark along its axial evenly distributed on the outer wall of hollow outer tube. The utility model has simple and novel structure and convenient use.

Description

Bladder puncture fistulization needle for urinary surgery

Technical Field

The utility model relates to the technical field of cystostomy tubes, in particular to a bladder puncture fistulization needle for urological surgery.

Background

Bladder puncture fistulization is one of the operation operations frequently carried out in urology surgery, and medical staff needs to puncture the bladder through the skin and measure the thickness from the skin to the bladder by using a puncture needle in operation, but the puncture length is often difficult to accurately grasp, and once the puncture distance is not properly grasped, the damage to the prostate, the lateral bladder wall and even the intestinal tract can be directly caused; bladder puncture fistulization is because of the urethra is obstructed, fistulization is done to bladder on the pubis, make the urine drainage external, divide into the difficulty of urinating of solving patient temporarily or permanently, consequently, use the pjncture needle to puncture to the bladder through skin, thereby get into in the bladder, the pjncture needle outside is equipped with the sleeve pipe of the transport urine of parcel its body, the sleeve pipe can be along with the pjncture needle get into in the bladder, after the puncture, can take out the pjncture needle, only leave inside the sleeve pipe inserts the bladder, then, the sleeve pipe easily drops from puncture department, need keep the sleeve pipe fixed on human skin through medical gluing, just can make the sleeve pipe be difficult for droing, nevertheless when utilizing medical gluing to paste fixed work, also need be extraordinarily careful, prevent to lead to the sleeve pipe to drop because of misoperation, consequently medical personnel's operating pressure is bigger.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bladder puncture fistulization needle for urinary surgery to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the technical scheme that:

a bladder puncture fistulization needle for urinary surgery comprises a hollow puncture tube, wherein the lower end of the hollow puncture tube is a puncture tip part, the upper end of the hollow puncture tube is provided with a handle, an inner core is arranged in the hollow puncture tube, the upper end of the inner core is inserted into the handle, the lower end of the inner core is a blunt head part, and a spring which applies acting force to the puncture tip part of the lower end of the inner core, which protrudes out of the lower end of the hollow puncture tube, is arranged in the handle;

the outer part of the hollow puncture tube is provided with a sleeve for conveying urine and wrapping the body of the hollow puncture tube, the side wall of the lower end of the sleeve is provided with a plurality of openings, and the openings are provided with anti-falling bulges which are arched in a natural state and made of medical silica gel strips;

the sheathed tube outside cover is equipped with hollow outer tube, hollow outer tube is the body of tearing half-and-half in the middle of can, and the upper end of hollow outer tube is provided with a pair of handle, one of them of conveniently tearing the operation the orificial position department of hollow outer tube is close to the top surface of handle is provided with the bayonet socket, on the outer wall of cavity puncture pipe eccentric be equipped with the bulge loop that the bayonet socket cooperation was used, the lower extreme of hollow outer tube sets up to tighten up the mouth to with be close to the laminating of the outer wall of cavity puncture pipe lower extreme, the laminating of hollow outer tube inner wall and sheathed tube outer wall, and oppression the anticreep is protruding to get into the sleeve pipe inner chamber by the opening, is equipped with along its axial evenly distributed's scale mark on the outer wall of hollow outer tube.

Furthermore, the spring is fixedly connected with one end of the inner core adjacent to the spring.

Furthermore, the convex ring is matched with the bayonet in a rotary clamping mode.

Furthermore, the upper end of the hollow puncture tube is provided with a urine conveying pipe communicated with the inner cavity of the hollow puncture tube.

Furthermore, the upper end of the sleeve is provided with a pipe joint for connecting the urine storage bag.

The utility model has the beneficial effects that:

the utility model provides a bladder puncture fistulization needle for urinary surgery, which has simple and novel structure, when a hollow puncture tube punctures the bladder of a patient, a puncture tip part at the lower end of the hollow puncture tube contacts with the outer wall tissue of the bladder of the patient in the process of puncturing the tissue, a blunt head at the lower end of an inner core firstly, a compression spring retracts into the hollow puncture tube under the reaction action, then the puncture tip part at the lower end of the hollow puncture tube is extruded with the outer wall tissue of the bladder of the patient, the puncture tip part punctures the bladder with continuous force of a user, when the puncture tip part punctures the bladder, the blunt head at the lower end of the inner core is not subjected to external force, the blunt head at the lower end of the inner core rapidly extends out from the puncture tip part at the lower end of the hollow puncture tube under the action of the spring, a shaking feeling is brought to the whole hollow puncture tube, and the user can judge that the puncture tip part at the lower end of the hollow puncture tube punctures the bladder according to the generation of the shaking feeling, the puncture reminding device can remind a user, avoid the side injury to a patient caused by the transition puncture and improve the safety factor of the puncture operation;

the bayonet at the upper end of the hollow outer tube is matched and clamped with the convex ring on the outer wall of the hollow puncture tube, so that relative displacement does not occur between the hollow outer tube and the hollow puncture tube, the hollow outer tube can enter the bladder along with the hollow puncture tube, and when the hollow puncture tube is punctured into the bladder, the puncture distance of the hollow puncture tube can be controlled by observing the scale mark on the outer wall of the hollow outer tube, so that the puncture distance is prevented from being deepened due to misoperation of an operator, and the safety coefficient of the puncture operation is further improved;

and utilize hollow outer tube, can oppress the anticreep arch and get into the sleeve pipe inner chamber by the opening, so that the anticreep arch smoothly gets into in the bladder from puncture hole department, reduce the resistance when getting into, after getting into the bladder inside, take out cavity puncture pipe and inner core, only need leave the sleeve pipe when the bladder, tear hollow outer tube, and take out from puncture hole department, make the anticreep arch leak outward, be the state of natural hunch-up, can prevent that the sleeve pipe from droing from puncture hole department, the convenience of medical personnel when pasting fixed operation to the sleeve pipe has been improved, medical personnel's operating pressure has been reduced.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic view of the structure of the torn hollow outer tube of the present invention.

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is a schematic sectional view of the torn hollow outer tube according to the present invention.

Fig. 6 is an enlarged view at C in fig. 5.

Fig. 7 is an enlarged view at D in fig. 5.

Fig. 8 is an enlarged view at E in fig. 5.

In the figure: 1. the puncture device comprises a hollow puncture tube, 2 parts of a handle, 3 parts of an inner core, 4 parts of a spring, 5 parts of a sleeve, 6 parts of an opening, 7 parts of an anti-falling bulge, 8 parts of a hollow outer tube, 9 parts of a handle, 10 parts of a bayonet, 11 parts of a convex ring, 12 parts of a urine delivery tube, 13 parts of a pipe joint.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

As shown in fig. 1 to 8, the utility model provides a bladder puncture fistulization needle for urinary surgery, which comprises a hollow puncture tube 1, wherein the lower end of the hollow puncture tube is a puncture tip part, the upper end of the hollow puncture tube is provided with a handle 2, an inner core 3 is arranged in the hollow puncture tube, the upper end of the inner core 3 is inserted into the handle 2, the lower end of the inner core 3 is a blunt head, a spring 4 which is used for applying acting force to the puncture tip part of the lower end of the inner core 3 and protrudes out of the lower end of the hollow puncture tube 1 is arranged in the handle 2, and the spring 4 is fixedly connected with one end, adjacent to the inner core 3, of the spring 4;

a sleeve 5 used for conveying urine and wrapping the body of the hollow puncture tube 1 is arranged outside the hollow puncture tube 1, a plurality of openings 6 are formed in the side wall of the lower end of the sleeve 5, and anti-falling bulges 7 which are arched in a natural state and made of medical silica gel strips are arranged at the positions of the openings 6;

the outside cover of sleeve pipe 5 is equipped with hollow outer tube 8, hollow outer tube 8 is the body of half-and-half tearing in the middle of can, the upper end of hollow outer tube 8 is provided with a pair of handle 9 of conveniently tearing the operation, the top surface of one of them handle 9 is provided with bayonet socket 10 near the orificial position department of hollow outer tube 8, the eccentric bulge loop 11 that is equipped with and cooperates the use with bayonet socket 10 on the outer wall of cavity puncture pipe 1, the mode that bulge loop 11 goes into through rotatory card is used with bayonet socket 10 cooperation, the lower extreme of hollow outer tube 8 sets up to tighten up the mouth, and with the outer wall laminating of being close to cavity puncture pipe 1 lower extreme, so that in getting into the bladder smoothly along with cavity puncture pipe 1, the outer wall laminating of hollow outer tube 8 inner walls and sleeve pipe 5, and oppress anticreep arch 7 and get into the 5 inner chambers of sleeve pipe by opening 6.

In this embodiment, the hollow puncture tube 1 is provided at its upper end with a urine transport tube 12 communicating with its inner chamber, and the cannula 5 is provided at its upper end with a tube connector 13 for connecting a urine storage bag.

The use method comprises the following steps:

when the hollow puncture tube 1 punctures the bladder of a patient, the puncture tip part at the lower end of the hollow puncture tube 1 is in the process of puncturing tissues, the blunt head part at the lower end of the inner core 3 is firstly contacted with the outer wall tissues of the bladder of the patient, the compression spring 4 retracts into the hollow puncture tube 1 under the reaction, then the puncture tip part at the lower end of the hollow puncture tube 1 is extruded with the outer wall tissues of the bladder of the patient, and puncturing is continuously performed by a user, when the puncture tip part punctures the bladder, the blunt head part at the lower end of the inner core 3 is not subjected to external force, under the acting force of the spring 4, the blunt head part at the lower end of the inner core 3 rapidly extends out from the puncture tip part at the lower end of the hollow puncture tube 1, so that a shaking sense is brought to the whole hollow puncture tube 1, the user can judge that the puncture tip part at the lower end of the hollow puncture tube 1 punctures the bladder according to the generation of the shaking sense, so as to remind the user, and avoid the secondary injury brought to the patient by transitional puncture, the safety factor of the puncture operation is improved;

the bayonet 10 at the upper end of the hollow outer tube 8 is matched and clamped with the convex ring 11 on the outer wall of the hollow puncture tube 1, so that the hollow outer tube 8 and the hollow puncture tube 1 do not generate relative displacement, the hollow outer tube 8 can enter the bladder along with the hollow puncture tube 1, and when the hollow puncture tube 1 pierces the bladder, the puncture distance of the hollow puncture tube 1 can be controlled by observing the scale mark on the outer wall of the hollow outer tube 8, so that the puncture distance is prevented from being deepened due to misoperation of an operator, and the safety factor of a puncture operation is further improved;

the hollow outer tube 8 is utilized to press the anti-falling bulge 7 to enter the inner cavity of the sleeve 5 from the opening 6, so that the anti-falling bulge 7 can smoothly enter the bladder from the puncture hole, the resistance in entering is reduced, after the anti-falling bulge enters the bladder, the hollow puncture tube 1 and the inner core 3 are drawn out, the hollow outer tube 8 is torn when the sleeve 5 is only required to be left in the bladder, and the anti-falling bulge 7 is taken out from the puncture hole, so that the anti-falling bulge 7 leaks outwards and is in a natural arched state, the sleeve 5 can be prevented from falling off from the puncture hole, the convenience of medical staff in pasting and fixing the sleeve 5 is improved, and the working pressure of the medical staff is reduced;

urine within the bladder flows from the lower port of the cannula 5 and the opening 6 in the sidewall of its lower end into its lumen and then into a urine reservoir bag connected by a nipple 13.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A bladder puncture fistulization needle for urinary surgery is characterized by comprising a hollow puncture tube (1), wherein the lower end of the hollow puncture tube is a puncture tip part, the upper end of the hollow puncture tube is provided with a handle (2), an inner core (3) is arranged in the hollow puncture tube, the upper end of the inner core (3) is inserted into the handle (2), the lower end of the inner core (3) is a blunt head part, and a spring (4) which is used for applying acting force to the puncture tip part of the lower end of the inner core (3) and protrudes out of the puncture tip part of the lower end of the hollow puncture tube (1) is arranged in the handle (2);

a sleeve (5) used for conveying urine and wrapping the body of the hollow puncture tube (1) is arranged outside the hollow puncture tube, a plurality of openings (6) are formed in the side wall of the lower end of the sleeve (5), and anti-falling bulges (7) which are arched in a natural state and made of medical silica gel strips are arranged at the openings (6);

a hollow outer pipe (8) is sleeved outside the sleeve (5), the hollow outer pipe (8) is a pipe body which can be torn in half in the middle, a pair of handles (9) which are convenient for tearing operation are arranged at the upper end of the hollow outer pipe (8), wherein a bayonet (10) is arranged at the position of the top surface of one handle (9) close to the orifice of the hollow outer tube (8), a convex ring (11) matched with the bayonet (10) is eccentrically arranged on the outer wall of the hollow puncture tube (1), the lower end of the hollow outer tube (8) is provided with a tightening opening, and is jointed with the outer wall close to the lower end of the hollow puncture tube (1), the inner wall of the hollow outer tube (8) is jointed with the outer wall of the sleeve (5), and the anti-falling bulge (7) is pressed to enter the inner cavity of the sleeve (5) from the opening (6), and the outer wall of the hollow outer tube (8) is provided with scale marks which are uniformly distributed along the axial direction of the hollow outer tube.

2. A bladder puncture ostomy needle for urinary surgery as claimed in claim 1, characterized in that the spring (4) is fixedly connected to the end adjacent to the inner core (3).

3. A bladder puncture ostomy needle for urinary surgery as claimed in claim 1, wherein the bulge loop (11) is engaged with the bayonet (10) by means of rotation and snapping-in.

4. A bladder puncture fistula needle for urinary surgery according to claim 1, wherein the hollow puncture tube (1) is provided at its upper end with a urine duct (12) communicating with its lumen.

5. A bladder puncture fistulization needle for urinary surgery as claimed in claim 1, characterized in that the upper end of the cannula (5) is provided with a tube connector (13) for connecting a urine storage bag.