CN212699080U

CN212699080U - Puncture cannula for hysterectomy

Info

Publication number: CN212699080U
Application number: CN202020554233.7U
Authority: CN
Inventors: 宋侃
Original assignee: Dalian Rongxin Medical Instrument Co ltd
Current assignee: Dalian Rongxin Medical Instrument Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-03-16
Anticipated expiration: 2030-04-15

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to hysterectomy puncture sleeve pipe, include the sleeve pipe and fix the tube socket at sleeve pipe rear end, sheathed tube outer wall front end is fixed with annular gasbag, bury the gas tube underground in the sheathed tube pipe wall, the inside intercommunication of gas tube one end and annular gasbag, the other end is drawn forth and is fixed with from the sleeve pipe rear end and fills the gassing joint, the external screw thread has been seted up on the sleeve pipe outer wall between annular gasbag and the tube socket, the spiro union has adjusting nut on the external screw thread, tube socket outer wall integrated into one piece have with the inside gas injection pipeline that communicates of tube socket, be equipped with the valve on the gas injection pipeline, be equipped with the pressure measurement interface on the gas injection pipeline between valve and the tube socket, be connected with the gas transmission hose on the pressure measurement interface, the gas. The puncture cannula is simple and convenient to fix, can avoid leakage of intra-abdominal gas from the puncture cannula to an abdominal incision, and is convenient for medical staff to observe abdominal pressure in an operation.

Description

Puncture cannula for hysterectomy

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to hysterectomy puncture sleeve.

Background

The electric hysterectomy device is a gynecological surgical instrument consisting of a plurality of products, consists of a handheld motor, a resecting knife tube, a uterine manipulator, a uterine puncture needle, uterine graspers, myoma drills, a knot pusher, a stripper, a puncture sleeve, a measuring rod, a guide rod, an expander, cervical clamps and a converter, is matched with a laparoscope for use, and is mainly suitable for operations such as resection of uterus and uterine myoma.

When the hysterectomy is performed through an abdominal cavity, a puncture cannula is needed to establish a passage for a surgical instrument to enter and exit the abdominal cavity from the outside, an artificial pneumoperitoneum is needed to be established in the laparoscopic surgery to expand the abdominal cavity so as to provide a good surgical visual field and maintain a preset safe intra-abdominal pressure range, and the puncture cannula also plays a role in supplementing carbon dioxide to the abdominal cavity so as to maintain the stable intra-abdominal pressure. The conventional puncture cannula is usually a metal tube with a smooth outer wall, is poor in fixation, the length of the puncture cannula entering an abdominal cavity is often changed, the puncture cannula is easy to fall off from an incision during use, gas in the abdominal cavity is easy to leak from the incision of the puncture cannula and the abdominal cavity, the surgical field of vision is affected, in addition, the abdominal pressure range of artificial abdominal pressure is usually 12-14mmHg, the conventional puncture cannula cannot detect the abdominal pressure value in real time, and medical personnel in the operation cannot conveniently supplement gas and adjust the abdominal pressure in time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that above-mentioned exists, designed a uterectomy puncture sleeve, this puncture sleeve is fixed simple and convenient, can avoid the intra-abdominal gas to leak between puncture sleeve and the belly incision, and the medical personnel observes the abdominal pressure in the art of being convenient for moreover to in time make up the gas and adjust.

In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a realize through following technical scheme:

a puncture cannula for cutting off a uterine cavity comprises a cannula and a tube seat fixed at the rear end of the cannula, wherein the tube seat and the cannula are integrally formed, the inner diameter of the tube seat is larger than that of the cannula, an annular air bag is fixed at the front end of the outer wall of the cannula, an inflation tube is embedded in the tube wall of the cannula, one end of the inflation tube is communicated with the inside of the annular air bag, an inflation and deflation joint is led out from the rear end of the cannula and fixed at the other end of the inflation tube, an external thread is arranged on the outer wall of the cannula between the annular air bag and the tube seat, an adjusting nut is screwed on the external thread, a rubber gasket is fixed at one side of the adjusting nut close to the annular air bag, a gas injection pipeline communicated with the inside of the tube seat is integrally formed on the outer wall of the tube seat, a valve used for controlling the on-off of the gas, the other end of the gas hose is connected with a pressure gauge, a pipe cover is fixed at the rear end of the pipe seat, a rubber sleeve extending into the pipe seat is fixed on the inner side of the pipe cover, a rubber inclined plate capable of controlling the rubber sleeve to be opened and closed is integrally formed at one end, far away from the pipe cover, of the rubber sleeve, and an instrument socket communicated with the inside of the pipe seat is formed in the pipe cover.

Further, the external thread is a coarse thread.

Furthermore, the rear end of the outer wall of the tube seat is provided with an external connecting thread, the inner side of the tube cover is provided with an internal connecting thread matched with the external connecting thread, and the tube cover and the tube seat are fixedly connected through the internal connecting thread and the external connecting thread.

Furthermore, the measuring range of the pressure gauge is 0-5KPa, and the minimum division value of the pressure gauge is 0.1 KPa.

Further, the sleeve, the tube seat, the rubber sleeve and the instrument socket are coaxially arranged.

The utility model has the advantages that:

this puncture sleeve pipe is fixed simple and convenient, after inserting the abdominal cavity through the incision, aerify for cyclic annular gasbag through the inflation connector that fills on the gas tube and make its inflation, then it is rotatory and make it tightly press on the belly incision to belly incision direction with adjusting nut, this puncture sleeve pipe is fixed unable the removal on the belly incision this moment, and the inside and outside both sides of belly incision are compressed tightly by cyclic annular gasbag and adjusting nut after the inflation respectively, make intra-abdominal gas can't leak from between puncture sleeve pipe and the belly incision, observe the abdominal pressure in the medical personnel art of being convenient for through the manometer, so that in time adjust through gas injection pipeline make-up gas.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a sectional view of the overall structure of the present invention;

fig. 2 is a schematic view of the usage state of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-sleeve pipe, 11-external thread, 2-pipe seat, 3-annular air bag, 31-inflation pipe, 32-inflation and deflation joint, 4-adjusting nut, 41-rubber gasket, 5-gas injection pipeline, 51-valve, 52-piezometer pipe, 6-gas delivery hose, 7-pressure gauge, 8-pipe cover, 81-apparatus socket, 9-rubber sleeve, 91-rubber inclined plate and 10-abdominal incision.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, a hysterectomy puncture cannula comprises a cannula 1 and a tube seat 2 fixed at the rear end of the cannula 1, wherein the tube seat 2 and the cannula 1 are integrally formed and are made of medical grade stainless steel, the inner diameter of the tube seat 2 is larger than that of the cannula 1, an annular air bag 3 is fixed at the front end of the outer wall of the cannula 1, the part of the annular air bag 3 close to the cannula 1 is fixed at the outer wall of the cannula 1 through viscose glue, the annular air bag 3 is in a dry-shriveled state before being inserted into an abdominal cavity, an inflation tube 31 is embedded in the wall of the cannula 1, one end of the inflation tube 31 is communicated with the inside of the annular air bag 3, the other end of the inflation tube 31 is led out from the rear end of the cannula 1 and is fixed with an inflation and deflation connector 32, after the annular air bag 3 at the front end of the cannula 1 is inserted into the abdominal cavity, the annular, the outer wall of the sleeve 1 between the annular air bag 3 and the tube seat 2 is provided with an external thread 11, the external thread 11 is screwed with an adjusting nut 4, the adjusting nut 4 is turned to one end close to the tube seat 2 before being inserted into the abdominal cavity, so that the adjusting nut 4 is adjusted according to the thickness of abdominal tissues of a patient after being inserted into the abdominal cavity, the adjusting nut 4 is made of medical-grade stainless steel, the adjusting nut 4 is convenient for quickly adjusting the adjusting nut 4, the external thread 11 is made of coarse threads, in order to improve the sealing property between the adjusting nut 4 and the abdominal incision of the patient, one side of the adjusting nut 4 close to the annular air bag 3 is fixed with a rubber gasket 41, the outer wall of the tube seat 2 is integrally formed with an air injection pipeline 5 communicated with the inside of the tube seat 2, the air injection pipeline 5 is provided with a valve 51 for controlling the on-off of the air injection pipeline, the air injection pipeline 5 and the valve 51 are the prior art and are not, the pressure measuring connector 52 is connected with a gas transmission hose 6, the other end of the gas transmission hose 6 is connected with a pressure gauge 7, the pressure in the abdominal cavity can be monitored in real time through the pressure gauge 7, the abdominal pressure range of the artificial abdominal pressure is usually 12-14mmHg, namely 1.6-1.9KPa, the measuring range of the pressure gauge 7 is 0-5KPa, and the minimum division value of the pressure gauge 7 is 0.1 KPa.

Tube socket 2 rear end is fixed with

tube cap

8, 8 inboard rubber sleeve 9 that stretch into 2 insides of tube socket that are fixed with of tube cap, the one end integrated into one piece that 8 of tube cap were kept away from to rubber sleeve 9 has the rubber swash plate 91 that can control the opening and closing of rubber sleeve 9, two rubber swash plates 91 can keep away from the one end of tube cap with rubber sleeve 9 and seal when not inserting surgical instruments, can open smoothly when surgical instruments insert again, offer the apparatus socket 81 with the inside intercommunication of tube socket 2 on the tube cap 8, wherein, sleeve pipe 1, tube socket 2, the coaxial setting of rubber sleeve 9 and apparatus socket 81.

Wherein, outer connecting thread has been seted up to tube socket 2 outer wall rear end, and 8 inboards of tube cap are seted up with the inner connecting thread of outer connecting thread adaptation, pass through inner connecting thread and outer connecting thread fixed connection between tube cap 8 and the tube socket 2.

This puncture cannula is fixed simple and conveniently during the use, after inserting the abdominal cavity through belly incision 10, use the syringe to inflate through the gassing joint 32 on the gas tube 31 and make its inflation for cyclic annular gasbag 3, then it is rotatory and make it tightly press on the belly incision to belly incision 10 orientation with adjusting nut 4, as shown in fig. 2, this puncture cannula is fixed on belly incision 10 and can't be removed this moment, and the inside and outside both sides of belly incision 10 are compressed tightly by cyclic annular gasbag 3 and adjusting nut 4 after the inflation respectively, make the intra-abdominal gas can't leak from between puncture cannula and the belly incision, the abdominal pressure size is observed to the pointer reading on medical personnel's accessible manometer 7 in the operation process, so that in time adjust through gas injection pipeline 5 make-up gas.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should be able to make changes, alterations, additions or substitutions within the scope of the present invention.

Claims

1. The utility model provides a uterus excision puncture sleeve pipe, includes the sleeve pipe and fixes the tube socket at the sleeve pipe rear end, tube socket and sleeve pipe integrated into one piece, and the internal diameter of tube socket is greater than sheathed tube internal diameter, its characterized in that: the front end of the outer wall of the sleeve is fixed with an annular air bag, an inflation tube is embedded in the tube wall of the sleeve, one end of the inflation tube is communicated with the inside of the annular air bag, the other end of the inflation tube is led out from the rear end of the sleeve and is fixedly provided with an inflation and deflation joint, the outer wall of the sleeve between the annular air bag and the tube seat is provided with an external thread, the external thread is screwed with an adjusting nut, one side of the adjusting nut close to the annular air bag is fixedly provided with a rubber gasket, the outer wall of the tube seat is integrally formed with an air injection pipeline communicated with the inside of the tube seat, the air injection pipeline is provided with a valve for controlling the on-off of the air injection pipeline, the air injection pipeline between the valve and the tube seat is provided with a pressure measuring interface, the pressure measuring interface is connected with an air conveying hose, the other end of the, the one end integrated into one piece that the tube cap was kept away from to the rubber sleeve has the rubber swash plate that can control the rubber sleeve switching, set up the apparatus socket with the inside intercommunication of tube socket on the tube cap.

2. A hysterectomy puncture cannula as claimed in claim 1 wherein: the external thread is a coarse thread.

3. A hysterectomy puncture cannula as claimed in claim 1 wherein: the pipe comprises a pipe seat, a pipe cover and a pipe base, wherein the rear end of the outer wall of the pipe base is provided with an external connecting thread, the inner side of the pipe cover is provided with an internal connecting thread matched with the external connecting thread, and the pipe cover and the pipe base are fixedly connected through the internal connecting thread and the external connecting thread.

4. A hysterectomy puncture cannula as claimed in claim 1 wherein: the measuring range of the pressure gauge is 0-5KPa, and the minimum division value of the pressure gauge is 0.1 KPa.

5. A hysterectomy puncture cannula as claimed in claim 1 wherein: the sleeve, the tube seat, the rubber sleeve and the instrument socket are coaxially arranged.