CN217611317U

CN217611317U - Resilience puncture sheath for laparoscope

Info

Publication number: CN217611317U
Application number: CN202221436555.7U
Authority: CN
Inventors: 李辉; 蔡少如; 黄洋; 陈群清; 童健; 张福伟; 吴源周; 钟海
Original assignee: Southern Medical University Zhujiang Hospital
Current assignee: Southern Medical University Zhujiang Hospital
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-21
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a puncture sheath for a rebound laparoscope in the field of medical appliances, which comprises a puncture sheath and a puncture rod, wherein the puncture sheath is hollow, and the puncture rod can be inserted into the puncture sheath and fixedly connected with the puncture sheath; the puncture rod comprises a long rod, and external threads are arranged on the long rod; the puncture sheath comprises an exhaust cavity, an elastic steel sheet which is symmetrically distributed is arranged below the exhaust cavity, the elastic steel sheet is bent when not stressed and can be straightened when stressed, an elastic sheath tube which is tightly attached is arranged on the outer side of the elastic steel sheet, the elastic sheath tube can deform along with the deformation of the elastic steel sheet, the upper end of the elastic steel sheet is fixedly connected with the exhaust cavity, a sharp tube which is fixedly connected is arranged at the lower end of the elastic steel sheet, the upper end of the elastic sheath tube is fixedly connected with the exhaust cavity, and the lower end of the elastic sheath tube is fixedly connected with the sharp tube. The utility model discloses a crooked resilience formula sheath pipe for the doctor can use different degrees of curvature and the endoscopic instrument of size, makes things convenient for operation doctor's operation, has reduced the degree of difficulty of operation, has improved the efficiency of operation.

Description

Resilience formula peritoneoscope is with puncturing sheath

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to resilience formula peritoneoscope is with puncturing sheath.

Background

With the development of industrial technology, the improvement of medical equipment and the improvement of professional skills of doctors, the laparoscope is more and more widely used in clinic. In addition to open surgery, other procedures involving the abdominal cavity may be performed laparoscopically. In laparoscopic surgery, a puncture sheath is needed to establish a passage for the laparoscopic instrument to enter and exit the endoscope, but the part of the puncture sheath used in the past entering the abdominal cavity is all long rod type, so that the interference among the laparoscopic instruments in the operation process is easily caused, and the design and the use of the laparoscopic instruments are also limited. In order to adapt to a long rod-shaped puncture sheath, the design of the laparoscopic instrument needs to be slender, so that a plurality of instruments with double bends or radian cannot be used under a laparoscope, and the complexity of the operation is undoubtedly increased. In addition, many of the laparoscopic instruments currently used have to be designed with very small openings so that the long rod-like puncture sheath is not conducive to holding tissue during abdominal operations, which increases the difficulty of the surgery.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a resilience formula peritoneoscope is with puncturing sheath changes current long rod-like peritoneoscope puncturing sheath, makes it can be through different degrees of curvature or big open-ended chamber mirror apparatus, increases the activity degree of apparatus, makes things convenient for the operation of operation.

The purpose of the utility model can be realized by the following technical scheme:

the rebound puncture sheath for the laparoscope comprises a puncture tube and a puncture rod, wherein the puncture tube is hollow, and the puncture rod can be inserted into the puncture tube and is fixedly connected with the puncture tube;

the puncture rod comprises a long rod, and external threads are arranged on the long rod;

the puncture pipe includes the exhaust chamber, exhaust chamber below is equipped with the elastic steel piece of symmetric distribution, the elastic steel piece is curved form when not the atress, can flare-up during the atress, the elastic steel piece outside is equipped with the elasticity sheath pipe of inseparable laminating, the elasticity sheath pipe can warp along with the deformation of elastic steel piece, elasticity steel piece upper end and exhaust chamber fixed connection, the elastic steel piece lower extreme is equipped with fixed connection's sharp pipe, the upper end and the exhaust chamber fixed connection of elasticity sheath pipe, the lower extreme and the sharp pipe fixed connection of elasticity sheath pipe, the bottom of sharp pipe is sharp taper shape, be equipped with the internal thread on the sharp pipe, the external screw thread can cooperate with the internal thread.

Furthermore, a pointed cone is fixedly arranged at the lower end of the long rod, and a first handle is fixedly arranged at the upper end of the long rod.

Furthermore, a second handle is fixedly arranged on the exhaust cavity, the handle is hollow, an exhaust pipe is arranged on one side of the exhaust cavity, and a valve fixedly connected with the exhaust pipe is arranged on the exhaust pipe.

The utility model has the advantages that:

1. the utility model provides a resilience formula peritoneoscope is with puncture sheath both can realize conventional abdominocentesis operation, simultaneously after getting into the abdominal cavity, elasticity sheath pipe kick-backs, can play the purpose of fixed puncture sheath, furthest's elimination the length of sheath pipe for the endoscope apparatus of different curvatures and size is stretched into to the head end that passes through the puncture sheath that the doctor can be convenient, makes things convenient for operation doctor's operation, has reduced the degree of difficulty of operation, has improved the efficiency of operation.

2. The utility model provides a resilience formula peritoneoscope is with puncturing sheath, simple structure, convenient to use, can be extensive be applied to in various abdominal cavity operations.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a puncture sheath according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the puncture sheath according to the embodiment of the present invention;

fig. 3 is a schematic view of the puncture rod of the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 skilled in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1, 2 and 3, the penetrating sheath for the rebound laparoscope includes a penetrating tube 2 and a penetrating rod 1. The puncture tube 2 is hollow, and the puncture rod 1 can be inserted into the puncture tube 2 and fixedly connected with the puncture tube 2.

The puncture rod 1 comprises a long rod 12, external threads 14 are arranged on the long rod 12, a pointed cone 11 is fixedly arranged at the lower end of the long rod 12, and a first handle 13 is fixedly arranged at the upper end of the long rod 12.

Puncture tube 2 includes second handle 21, the inside cavity of handle 21, the fixed exhaust cavity 23 that is equipped with in handle 21 below, exhaust cavity 23 one side is equipped with blast pipe 24, be equipped with fixed connection's valve 25 on blast pipe 24, exhaust cavity 23 below is equipped with symmetric distribution's elastic steel sheet 27, elastic steel sheet 27 is curved when not atress, can flare-out during the atress, the elastic steel sheet 27 outside is equipped with the elasticity sheath pipe 22 of closely laminating, elasticity sheath pipe 22 can warp along with the deformation of elastic steel sheet 27, elastic steel sheet 27 upper end and exhaust cavity 23 fixed connection, elasticity steel sheet 27 lower extreme is equipped with fixed connection's sharp pipe 26, the upper end and the exhaust cavity 23 fixed connection of elasticity sheath pipe 22, the lower extreme and the sharp pipe 26 fixed connection of elasticity sheath pipe 22, the bottom of sharp pipe 26 is the point taper shape, be equipped with internal thread 28 on the sharp pipe 26, external screw thread 14 can cooperate with internal thread 28.

During the use, insert puncture rod 1 in puncture tube 2, rotate puncture rod 1, make puncture rod 1 and puncture tube 2 fixed connection through the screw thread, promote puncture rod 1, make elastic steel sheet 27 flare-out, at this moment, the doctor can carry out conventional abdominal wall puncture operation, after puncture rod 1 and puncture tube 2 got into the abdominal cavity, rotate puncture rod 1, separate puncture rod 1 and puncture tube 2, elastic steel sheet 27 kick-backs to circular-arc, elastic sheath pipe 22 retracts to the abdominal wall and can play the purpose of fixed puncture tube 2, open valve 25 simultaneously, can carry out the exhaust operation, when the operation is ended, stretch puncture rod 1 into in puncture tube 2, after through threaded connection, can be quick flare-out elastic sheath pipe 22, make things convenient for pulling out of puncture tube 2.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The rebound puncture sheath for the laparoscope comprises a puncture tube (2) and a puncture rod (1), and is characterized in that the puncture tube (2) is hollow, and the puncture rod (1) can be inserted into the puncture tube (2) and fixedly connected with the puncture tube (2);

the puncture rod (1) comprises a long rod (12), and external threads (14) are arranged on the long rod (12);

puncture pipe (2) are including exhaust chamber (23), exhaust chamber (23) below is equipped with elastic steel sheet (27) of symmetric distribution, be crooked form when elastic steel sheet (27) do not receive the force, can straighten during the force, elastic steel sheet (27) outside is equipped with elasticity sheath pipe (22) of inseparable laminating, elasticity sheath pipe (22) can warp along with the deformation of elastic steel sheet (27), elasticity steel sheet (27) upper end and exhaust chamber (23) fixed connection, elasticity steel sheet (27) lower extreme is equipped with fixed connection's sharp pipe (26), the upper end and exhaust chamber (23) fixed connection of elasticity sheath pipe (22), the lower extreme and the sharp pipe (26) fixed connection of elasticity sheath pipe (22), the bottom of sharp pipe (26) is sharp taper shape, be equipped with internal thread (28) on sharp pipe (26), external screw thread (14) can cooperate with internal thread (28).

2. The puncture sheath for the resilient laparoscope as recited in claim 1, wherein the long rod (12) is fixedly provided with a pointed cone (11) at the lower end thereof, and a first handle (13) is fixedly provided at the upper end of the long rod (12).

3. The puncture sheath for the rebound laparoscope as recited in claim 1, wherein a second handle (21) is fixedly disposed on the exhaust cavity (23), the handle (21) is hollow, an exhaust pipe (24) is disposed on one side of the exhaust cavity (23), and a valve (25) fixedly connected is disposed on the exhaust pipe (24).