CN212466115U

CN212466115U - Puncture outfit outer sleeve for minimally invasive laparoscope of obstetrics and gynecology department

Info

Publication number: CN212466115U
Application number: CN202020174176.XU
Authority: CN
Inventors: 米鑫; 廖琪; 周月影; 朱丹; 张凤格; 倪琴
Original assignee: Shunyi District Maternal And Child Health Center Of Beijing Municipality
Current assignee: Shunyi District Maternal And Child Health Center Of Beijing Municipality
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2021-02-05
Anticipated expiration: 2030-02-15

Abstract

The utility model belongs to the technical field of medical instrument, especially, relate to a puncture ware outer tube is used to gynaecology and obstetrics's peritoneoscope wicresoft. The utility model discloses, including the inside puncture sleeve pipe that has working channel, be equipped with the gas injection pipe on the puncture sleeve pipe, the gas injection pipe is linked together with working channel, still includes the changeable location seal subassembly of external diameter, location seal subassembly is connected at puncture sleeve pipe surface, and increase location seal subassembly's external diameter can make location seal subassembly and patient's skin incision laminate mutually. The utility model discloses be equipped with at puncture sleeve pipe surface and can laminate location seal assembly mutually with patient's skin incision, improved the inseparable degree of device with the laminating of patient's skin incision, guaranteed the leakproofness and the stability of device at the operation in-process, and, the utility model discloses be equipped with the great stable platform of external diameter in sealed main part one end, compare and additionally set up an mount table and simplified the device structure among the prior art, further improve stability simultaneously.

Description

Puncture outfit outer sleeve for minimally invasive laparoscope of obstetrics and gynecology department

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a puncture ware outer tube is used to gynaecology and obstetrics's peritoneoscope wicresoft.

Background

The puncture outfit is widely applied to various minimally invasive surgical operations, is the most basic tool in the laparoscopic surgery, is used for a specialist to puncture the abdominal cavity and convey gas in the abdominal cavity in the laparoscopic surgery and establish a passage for an endoscope and a surgical instrument to enter and exit the abdominal cavity from the outside, the puncture cannula in the prior art cannot be tightly attached to the skin incision of a patient, the problems of displacement, air leakage and the like are easy to occur in the operation process, and the pain of the patient in the operation is increased.

For example, chinese utility model patent discloses a laparoscopic puncture cannula with adjustable insertion depth [ application No.: 201220008626.3], the utility model comprises a laparoscope puncture sleeve main body, an adjusting fixed baffle is movably connected on the puncture sleeve, and an adjusting fixed screw is arranged between the adjusting fixed baffle and the laparoscope puncture sleeve.

The utility model has the advantages of simple structure, easy implementation, low cost, flexible and convenient use and the like, but still does not solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, provide one kind with skin incision can be better laminating, sealed effect better gynaecology and obstetrics's peritoneoscope puncture ware outer tube for wicresoft.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a gynaecology and obstetrics's peritoneoscope is puncture ware outer tube for wicresoft, includes that inside has working channel's puncture sleeve pipe, be equipped with the gas injection pipe on the puncture sleeve pipe, the gas injection pipe is linked together with working channel, still includes the changeable location seal subassembly of external diameter, location seal subassembly is connected at puncture sleeve pipe surface, and the external diameter of increase location seal subassembly can make location seal subassembly and patient's skin incision laminate mutually.

In foretell gynaecology and obstetrics's peritoneoscope is puncture ware outer tube for wicresoft, location seal assembly is including being cylindric sealed main part, sealed main part internal surface and puncture sleeve pipe surface laminate mutually, have between the internal surface of sealed main part and the surface and aerify the cavity, aerify the cavity and pass through gas tube and external intercommunication.

In the puncture outfit outer sleeve for minimally invasive laparoscopic surgery of obstetrics and gynecology department, the outer surface of the puncture sleeve is provided with external threads, the inner surface of the sealing main body is provided with internal threads, the internal threads are in threaded connection with the external threads, the inner surface of the sealing main body is made of hard materials, and the outer surface of the sealing main body is made of flexible materials.

In the puncture outfit outer sleeve for the minimally invasive laparoscope of obstetrics and gynecology department, a one-way vent plug from the outside to the direction of the inflation cavity is arranged in the inflation tube.

In foretell gynaecology and obstetrics's peritoneoscope is in puncture ware outer tube for wicresoft, the one-way breather plug includes the breather plug body that surface and gas tube internal surface laminated mutually, the one end of breather plug body is equipped with the inflation hole, the inflation hole is linked together through inflation channel and gas tube, is equipped with the one-way control valve that can open or close the inflation hole in the inflation channel.

In the puncture outfit outer sleeve for the minimally invasive laparoscope of the obstetrics and gynecology department, the one-way control valve is made of flexible materials, one end of the one-way control valve is fixedly connected with the vent plug body, and the other end of the one-way control valve is rotated to enable the one-way control valve to be far away from or cover the air inflation hole.

In foretell gynaecology and obstetrics's peritoneoscope is puncture ware outer tube for wicresoft, the one-way vent stopper still includes the spacing boss of fixed connection at vent stopper body one end surface, spacing boss end to end is the annular, and the slip vent stopper body can make spacing boss press to establish at the inflation tube tip.

In foretell gynaecology and obstetrics's peritoneoscope is puncture ware outer tube for wicresoft, location seal assembly still includes inside and the stable platform that aerifys the cavity and be linked together, stable platform is connected in the one end that sealed main part is close to the gas injection pipe, the external diameter of stable platform is greater than the external diameter of sealed main part.

In the puncture outfit outer sleeve for the minimally invasive laparoscope of obstetrics and gynecology department, a plurality of anti-skidding salient points protrude from the outer surface of the positioning sealing assembly.

In the puncture outfit outer sleeve for the minimally invasive laparoscope of obstetrics and gynecology department, the anti-skidding salient points are of hollow structures, and the interiors of the anti-skidding salient points are communicated with the inflatable cavity.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses be equipped with at puncture sleeve pipe surface and can laminate location seal assembly mutually with patient's skin incision, improved the inseparable degree of device with the laminating of patient's skin incision, guaranteed the leakproofness and the stability of device at the operation in-process.

2. The utility model discloses be equipped with the bigger stable table of external diameter in sealed main part one end, compare and additionally set up a mount table among the prior art and simplified the device structure, further improve stability simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the positioning seal assembly of example 1;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a sectional view of the positioning seal assembly of embodiment 2;

in the figure: the anti-skid device comprises a working channel 1, a puncture cannula 2, an air injection pipe 3, a positioning and sealing assembly 4, anti-skid salient points 5, a sealing main body 41, an inflation cavity 42, an inflation pipe 43, internal threads 44, a one-way vent plug 45, a stabilizing table 46, a vent plug body 451, an inflation hole 452, an inflation channel 453, a one-way control valve 454 and a limiting boss 455.

Detailed Description

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

Example 1

The embodiment provides a puncture ware outer tube for gynaecology and obstetrics's peritoneoscope wicresoft, combine fig. 1 and fig. 2 to show, including inside puncture sleeve 2 that has working channel 1, be equipped with gas injection pipe 3 on puncture sleeve 2, gas injection pipe 3 is linked together with working channel 1, still includes the changeable location seal assembly 4 of external diameter, location seal assembly 4 is connected at puncture sleeve 2 surface, and the external diameter of increase location seal assembly 4 can make location seal assembly 4 laminate mutually with patient's skin incision.

The utility model discloses, during the use, earlier set up a skin incision at the patient body surface, the puncture sleeve 2 that has the pjncture needle inserts to the skin incision in, extracts the pjncture needle and vacates the working channel 1 who makes things convenient for the operation of instruments such as endoscope, injects into gas to the patient abdominal cavity through gas injection pipe 3, for example can be carbon dioxide gas, and the external diameter that increases location seal assembly 4 this moment makes location seal assembly 4 closely laminate with patient's skin incision, so the utility model discloses be equipped with at puncture sleeve 2 surface can with patient's skin incision location seal assembly 4 that laminates mutually, improved the inseparable degree of device and patient's skin incision laminating, guaranteed the leakproofness and the stability of device at the operation in-process.

Referring to fig. 2 and 3, the positioning and sealing assembly 4 includes a cylindrical sealing body 41, an inner surface of the sealing body 41 is attached to an outer surface of the puncture cannula 2, an inflation cavity 42 is formed between the inner surface and the outer surface of the sealing body 41, the inflation cavity 42 is communicated with the outside through an inflation tube 43, and when the positioning and sealing assembly is used, air is inflated into the inflation cavity 42 through the inflation tube 43, so that the inflation cavity 42 is expanded to increase the outer diameter of the sealing body 41, and the outer surface of the sealing body 41 is closely attached to the skin incision of the patient.

Preferably, the outer surface of the puncture cannula 2 is provided with an external thread 21, the inner surface of the sealing main body 41 is provided with an internal thread 44, the internal thread 44 is in threaded fit with the external thread 21, so as to facilitate the installation of the positioning and sealing assembly 4 and prevent the positioning and sealing assembly 4 from moving along the axial line direction of the puncture cannula 2 during the operation, the inner surface of the sealing main body 41 is made of a hard material, such as hard plastic or metal, and the outer surface of the sealing main body 41 is made of a flexible material, such as silicone or rubber.

Referring to fig. 3 and 4, a one-way vent plug 45 is arranged in the inflation tube 43 from the outside to the inflation cavity 42, that is, the one-way vent plug 45 is in one-way communication when air is blown into the inflation cavity 42, so as to prevent the outside of the sealing main body 41 from being reduced due to air leakage in the operation process, and the air is released by pulling out the one-way vent plug 45 after use.

Specifically, the one-way vent plug 45 includes a vent plug body 451 whose outer surface is attached to the inner surface of the inflation tube 43, one end of the vent plug body 451 is provided with an inflation hole 452, the inflation hole 452 is communicated with the inflation tube 43 through an inflation channel 453, the inflation channel 453 is provided with a one-way control valve 454 capable of opening or closing the inflation hole 452, the one-way control valve 454 is made of a flexible material, such as silicon rubber or rubber, one end of the one-way control valve 454 is fixedly connected to the vent plug body 451, and the other end of the one-way control valve 454 is rotated to enable the one-way control valve 454 to be far away from or cover the inflation hole 452.

During inflation, referring to fig. 4, the one-way control valve 454 is far away from the inflation hole 452 under the action of external pressure, gas is injected into the inflation cavity 42 through the inflation channel 453, and after inflation is finished, the one-way control valve 454 is tightly pressed on the inflation hole 452 under the action of internal pressure to block the inflation hole 452, so as to prevent gas leakage.

As shown in fig. 4, the unidirectional ventilation plug 45 further comprises a limit boss 455 fixedly connected to the outer surface of one end of the ventilation plug body 451, the limit boss 455 is connected end to end in a ring shape, and the sliding ventilation plug body 451 can press the limit boss 455 at the end of the inflation tube 43, so that the depth of the unidirectional ventilation plug 45 inserted into the inflation tube 43 can be limited, and the unidirectional ventilation plug 45 can be conveniently pulled out when air is leaked.

As shown in fig. 3, the positioning seal assembly 4 further includes a stabilization plate 46 internally communicating with the inflation cavity 42, the stabilization plate 46 is attached to an end of the seal body 41 near the gas-injection pipe 3, and the outer diameter of the stabilization plate 46 is larger than that of the seal body 41.

The utility model discloses be equipped with the great stabilizer 46 of external diameter in 41 one ends of sealed main part, the stabilizer 46 laminating can further improve the stability of device at the operation in-process on patient's skin surface, compares prior art for example the utility model patent that application number is "201520070627.4", adopts the mode that additionally sets up an mount table, has reduced spare part, has simplified the device structure.

Example 2

The specific structure of the outer cannula of the puncture outfit for the minimally invasive laparoscopic surgery in obstetrics and gynecology department is substantially the same as that in embodiment 1, and the difference is only the specific structure of the positioning and sealing assembly 4, specifically, as shown in fig. 5, a plurality of anti-slip salient points 5 protrude from the outer surface of the positioning and sealing assembly 4, and the anti-slip salient points 5 can improve the friction force between the positioning and sealing assembly 4 and the skin incision of the patient.

Preferably, the anti-slip bump 5 is hollow, and the interior of the anti-slip bump 5 is communicated with the inflation cavity 42, so that the outer diameter of the positioning sealing assembly 4 when not inflated can be reduced, and the device can be inserted into a skin incision conveniently.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms working channel 1, puncture cannula 2, gas injection tube 3, positioning seal assembly 4, anti-slip bump 5, seal body 41, inflation cavity 42, inflation tube 43, internal threads 44, one-way vent plug 45, stabilization platform 46, vent plug body 451, inflation hole 452, inflation channel 453, one-way control valve 454, stop boss 455, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a gynaecology and obstetrics's peritoneoscope is puncture ware outer tube for wicresoft, has puncture sleeve pipe (2) of working channel (1) including inside, be equipped with gas injection pipe (3) on puncture sleeve pipe (2), gas injection pipe (3) are linked together its characterized in that with working channel (1): the puncture cannula is characterized by further comprising a positioning sealing assembly (4) with a variable outer diameter, wherein the positioning sealing assembly (4) is connected to the outer surface of the puncture cannula (2), and the outer diameter of the positioning sealing assembly (4) is increased to enable the positioning sealing assembly (4) to be attached to a skin incision of a patient.

2. The trocar cannula for laparoscopic minimally invasive use according to claim 1, wherein: the positioning sealing assembly (4) comprises a cylindrical sealing main body (41), the inner surface of the sealing main body (41) is attached to the outer surface of the puncture cannula (2), an inflation cavity (42) is arranged between the inner surface and the outer surface of the sealing main body (41), and the inflation cavity (42) is communicated with the outside through an inflation tube (43).

3. The trocar cannula for laparoscopic minimally invasive use according to claim 2, wherein: the outer surface of the puncture cannula (2) is provided with external threads (21), the inner surface of the sealing main body (41) is provided with internal threads (44), the internal threads (44) are in threaded fit with the external threads (21), the inner surface of the sealing main body (41) is made of hard materials, and the outer surface of the sealing main body (41) is made of flexible materials.

4. The trocar cannula for laparoscopic minimally invasive use according to claim 2, wherein: a one-way vent plug (45) is arranged in the direction from the outside to the inflation cavity (42) in the inflation tube (43).

5. The trocar cannula for laparoscopic minimally invasive use according to claim 4, wherein: the one-way vent plug (45) comprises a vent plug body (451) with the outer surface attached to the inner surface of the inflation tube (43), one end of the vent plug body (451) is provided with an inflation hole (452), the inflation hole (452) is communicated with the inflation tube (43) through an inflation channel (453), and a one-way control valve (454) capable of opening or closing the inflation hole (452) is arranged in the inflation channel (453).

6. The trocar cannula for laparoscopic minimally invasive use according to claim 5, wherein: the one-way control valve (454) is made of flexible materials, one end of the one-way control valve (454) is fixedly connected with the vent plug body (451), and the other end of the one-way control valve (454) can be rotated to enable the one-way control valve (454) to be far away from or cover the air inflation hole (452).

7. The trocar cannula for laparoscopic minimally invasive use according to claim 5, wherein: the one-way vent plug (45) further comprises a limiting boss (455) fixedly connected to the outer surface of one end of the vent plug body (451), the limiting boss (455) is connected end to end and is annular, and the sliding vent plug body (451) can enable the limiting boss (455) to be pressed at the end part of the inflation tube (43).

8. The trocar cannula for laparoscopic minimally invasive use according to claim 2, wherein: the positioning and sealing assembly (4) further comprises a stabilizing table (46) communicated with the inflation cavity (42) in the inner part, the stabilizing table (46) is connected to one end, close to the gas injection pipe (3), of the sealing main body (41), and the outer diameter of the stabilizing table (46) is larger than that of the sealing main body (41).

9. The trocar cannula for laparoscopic minimally invasive use according to claim 2, wherein: the outer surface of the positioning sealing component (4) is provided with a plurality of anti-skidding salient points (5) in a protruding mode.

10. The trocar cannula for laparoscopic minimally invasive use according to claim 9, wherein: the anti-skid salient points (5) are of hollow structures, and the interiors of the anti-skid salient points (5) are communicated with the inflatable cavities (42).