CN210055969U - Laparoscopic lower conversion sleeve - Google Patents
Laparoscopic lower conversion sleeve Download PDFInfo
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- CN210055969U CN210055969U CN201920681903.9U CN201920681903U CN210055969U CN 210055969 U CN210055969 U CN 210055969U CN 201920681903 U CN201920681903 U CN 201920681903U CN 210055969 U CN210055969 U CN 210055969U
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- gland
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- cannula
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- conversion
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Abstract
The utility model discloses a switching sleeve pipe under peritoneoscope, including sleeve pipe, casing seat, gland and switching tube, the casing seat set up in sleeve pipe one end, the gland is installed casing seat top, install the gas injection valve on the lateral wall of casing seat, just the gas injection valve with the casing seat sets up as an organic wholely, the one end installation of gland has the first rubber leather cap of centre bore, the switching tube can pass first rubber leather cap and get into gland, casing seat and sleeve pipe, the installation of switching tube tip has the second rubber leather cap of centre bore. The device can lead a puncture needle of 13.5/15mm to pass through, so that the anastomat closer is placed into the abdominal cavity through the device; the switching tube which is detachably connected is arranged, and the second rubber cap with the central hole is arranged at the end part of the switching tube, so that the sealing performance of 5mm or 10mm operating instruments can be guaranteed when the operating instruments pass through the rubber cap.
Description
Technical Field
The present disclosure relates to a laparoscopic lower transition cannula.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The puncture outfit is a surgical instrument which punctures the abdominal wall and enters the body cavity channel for other surgical instruments, belonging to a minimally invasive surgical instrument. The puncture instrument typically includes a transition cannula for passage of other surgical instruments and a puncture needle extending through the transition cannula. When the puncture needle is used, the puncture needle penetrates through skin and enters a body cavity together with the conversion sleeve, then the puncture needle is drawn out, and the conversion sleeve can be used as a channel for introducing various instruments and tools into the abdominal cavity and providing the gas filling chamber with the abdominal wall elevated above organs.
At present, the specification of a conversion sleeve used in laparoscopic surgery is 10mm and 12mm, but an anastomat closer cannot be placed into an abdominal cavity through the conversion sleeve with the specification, a 13.5mm puncture needle is needed, but a conversion sleeve used for the 13.5mm puncture needle is not available in the market at present, and the conversion sleeve can not only pass through the 13.5mm puncture needle, but also can ensure the sealing performance when a 5mm or 10mm operation instrument passes through.
SUMMERY OF THE UTILITY MODEL
The present disclosure has been made to solve the above problems, and an object of the present disclosure is to provide a laparoscopic lower transition cannula which can pass a 13.5/15mm puncture needle and can ensure the sealing property when passing a 5mm or 10mm operating instrument.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
a laparoscope lower conversion sleeve comprises a sleeve, a sleeve seat, a gland and a conversion pipe, wherein the sleeve seat is arranged at one end of the sleeve, the gland is arranged above the sleeve seat, an air injection valve is arranged on the side wall of the sleeve seat, a first rubber cap with a central hole is arranged at one end of the gland, a channel for a 13.5/15mm puncture needle to pass through is formed inside the sleeve, the sleeve seat and the gland, and the first rubber cap is used for sealing the 13.5/15mm puncture needle and the conversion pipe when passing through;
furthermore, the conversion tube can pass through the first rubber cap to enter the gland, the cannula seat and the cannula, the end part of the conversion tube is provided with a second rubber cap with a central hole, the number of the conversion tube and the number of the second rubber cap are respectively two, the two conversion tubes and the second rubber caps are respectively used for passing through 5mm or 10mm operating instruments, the central holes of the two second rubber caps are respectively matched with 5mm or 10mm operating instruments and ensure the tightness when the 5mm or 10mm operating instruments pass through, the two conversion tubes respectively provide guidance or support for the 5mm or 10mm operating instruments, so that the problem of air leakage caused by the gap between the first rubber cap and the operating instruments due to too large difference between the operating instruments and the inner diameters of the cannula and the gland during operation and too large inclination angle of the operating instruments is prevented, and further ensures the sealing performance between the operating instrument and the second rubber cap when the operating instrument of 5mm or 10mm passes through.
Preferably, each of the switching tubes is axially provided with a through hole, one of the switching tube through holes can allow a 5mm operating instrument to pass through, the other switching tube through hole can allow a 10mm operating instrument to pass through, the inner walls of the two switching tubes can provide guidance or support for the 5mm or 10mm operating instrument, so that the sealing performance between the operating instrument and the second rubber cap is ensured during the operation of the instrument, and the outer diameter of the switching tube is designed according to the principle that the sealing performance between the switching tube and the first rubber cap is ensured when the switching tube passes through the first rubber cap and enters the gland, the cannula holder and the cannula;
furthermore, a circumferential groove is formed in the outer surface of the conversion pipe at a specific distance from the end where the second rubber cap is installed, so that the second rubber cap is prevented from falling off, and the sealing performance of the second rubber cap is ensured; and a shoulder is arranged at the lower edge of the circumferential groove far away from the end where the second rubber cap is installed, and the outer diameter of the shoulder is larger than the inner diameter of the gland and is used for positioning when the conversion pipe enters the gland, the sleeve seat and the sleeve through the first rubber cap.
Preferably, an inner hole of one of the second rubber cap is designed in a manner that an operating instrument with the diameter of 5mm passes through the inner hole, and an inner hole of the other second rubber cap is designed in a manner that an operating instrument with the diameter of 10mm passes through the inner hole, and the sealing between the operating instrument with the diameter of 5mm or 10mm and the corresponding second rubber cap is ensured;
furthermore, when the second rubber cap is installed, the lower edge of the second rubber cap is buckled into the circumferential groove of the conversion pipe, the second rubber cap is fixed, and the sealing performance of the second rubber cap is ensured.
Preferably, the sleeve and the sleeve seat are integrally formed, so that the sealing performance of the sleeve and the sleeve seat when the sleeve is connected is ensured, and air leakage is prevented.
Preferably, a sealing element is arranged in the cannula holder and is made of elastic material, when the puncture needle or the conversion tube passes through, the end face of the sealing element is tightly attached to the outer wall of the puncture needle or the conversion tube, and the sealing element has good sealing performance. When the puncture needle or the conversion tube is pulled out, the sealing element is reset by the elasticity of the material of the sealing element and the opening and closing seam on the end surface of the sealing element is closed immediately under the action of the air pressure in the body, so that the sealing element has good sealing property. The seal is of a conventional sealing arrangement within the cannula holder and will not be discussed in detail.
Preferably, the gland comprises a large-diameter end and a small-diameter end, the large-diameter end and the small-diameter end are integrally processed, the large-diameter end is installed above the casing seat, the installation mode can be threaded connection sealing or press fit sealing, and the gland is of a conventional structure, so that detailed discussion is omitted; a circumferential groove is formed in the outer surface of the small-diameter end of the gland at a specific distance from the outer end face, and is used for preventing the first rubber cap from falling off and ensuring the sealing property of the first rubber cap; the small-diameter end of the gland is provided with the first rubber cap with the central hole.
Preferably, the cannula holder and the gland form a channel inside, and the channel is used for a 13.5/15mm puncture needle to pass through the conversion cannula.
Preferably, the design principle of the inner hole of the first rubber cap is that a 13.5/15mm puncture needle penetrates through the conversion tube, and the sealing among the 13.5/15mm puncture needle, the conversion tube and the first rubber cap is ensured;
further, when the first rubber cap is installed, the lower edge of the first rubber cap is buckled into the circumferential groove of the pressing cover, the first rubber cap is fixed, and the sealing performance of the first rubber cap is guaranteed.
The working process of the utility model is as follows: when a 13.5/15mm puncture needle is used, the 13.5/15mm puncture needle enters the gland, the cannula seat and the cannula through the first rubber cap to operate. When an operating instrument of 5mm or 10mm passes through, a corresponding second rubber cap is arranged on the corresponding conversion tube through the end part, then the conversion tube provided with the second rubber cap passes through the first rubber cap to enter the gland, the sleeve seat and the sleeve, and finally the operating instrument of 5mm or 10mm passes through the second rubber cap arranged on the end part of the conversion tube to enter the conversion tube for operation.
Compared with the prior art, the beneficial effect of this disclosure is:
1. the device can lead a puncture needle of 13.5/15mm to pass through, so that the anastomat closer is placed into the abdominal cavity through the device;
2. according to the device, the first rubber cap is arranged at the end part of the gland, so that the sealing property of a 13.5/15mm puncture needle or a conversion tube during passing can be ensured;
3. according to the air leakage prevention device, the conversion pipe is arranged, the corresponding second rubber cap is mounted at the end part of the conversion pipe and used for allowing an operating instrument of 5mm or 10mm to pass through, the second rubber cap ensures the sealing performance of the operating instrument of 5mm or 10mm when passing through, and the conversion pipe provides guide or support for the operating instrument of 5mm or 10mm, so that the problem of air leakage caused by a gap between the first rubber cap and the operating instrument due to too large difference between the operating instrument and the inner diameters of the gland and the sleeve when in operation is prevented, and further the sealing performance between the operating instrument and the second rubber cap when the operating instrument of 5mm or 10mm passes through is ensured;
4. the switching tube of this disclosure is for dismantling the setting, convenient operation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic overall structure of the present disclosure;
fig. 2 is a schematic cross-sectional view of a transition tube of the present disclosure.
In the figure: 1. gland, 2, sleeve pipe seat, 3, sleeve pipe, 4, first rubber leather cap, 5, switching tube, 6, second rubber leather cap, 7, circular bead, 8, circumference recess.
Detailed Description
The present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example 1
The present disclosure provides a laparoscopic lower transition cannula which can be penetrated by a puncture needle of 13.5/15mm and can ensure the sealing property when an operating instrument of 5mm or 10mm passes through.
As shown in fig. 1, a laparoscope conversion sleeve comprises a sleeve 1, a sleeve seat 2, a gland 3 and a conversion pipe 5, wherein the sleeve seat 2 is arranged at one end of the sleeve 1 and is integrally formed with the sleeve 1 to ensure the sealing performance between the sleeve seat 2 and the sleeve 1, the gland 3 is arranged above the sleeve seat 2, an air injection valve is arranged on the side wall of the sleeve seat 2, and a first rubber cap 4 with a central hole is arranged at one end of the gland 3. The sleeve 1, the sleeve seat 2, the gland 3 and the first rubber cap 4 can be penetrated by a 13.5/15mm puncture needle, and the first rubber cap 4 is used for sealing when the 13.5/15mm puncture needle or the switching tube 5 penetrates;
the switching tube 5 can enter the gland 3, the cannula base 2 and the cannula 1 through the first rubber cap 4, the end of the switching tube 5 is provided with a second rubber cap 6 with a central hole, as shown in fig. 2, the number of the switching tube 5 and the second rubber cap 6 is two respectively, the two switching tubes 5 and the second rubber cap 6 are used for passing 5mm or 10mm operating instruments respectively, the central holes of the two second rubber caps 6 are matched with 5mm or 10mm operating instruments respectively and ensure the sealing performance when the 5mm or 10mm operating instruments pass through, the two switching tubes 5 can provide guidance or support for the 5mm or 10mm operating instruments respectively, thereby preventing the problem of air leakage caused by the gap between the first rubber cap 4 and the operating instruments due to the large difference between the inner diameters of the operating instruments and the cannula 1 and the gland 3 during operation, thereby ensuring the sealing performance between the instrument and the second rubber cap 6 when an operating instrument of 5mm or 10mm passes through.
Each conversion tube 5 is axially provided with a through hole, one conversion tube 5 is used for passing through a 5mm operation instrument, the other conversion sleeve 5 is used for passing through a 10mm operation instrument, the inner wall of each conversion tube 5 can provide guidance or support for the 5mm or 10mm operation instrument, so that the tightness between the operation instrument and the second rubber cap 6 is ensured when the instrument is operated, and the outer diameter of each conversion tube 5 is designed according to the principle that the tightness between the conversion tube 5 and the first rubber cap 4 is ensured when the conversion tube 5 passes through the first rubber cap 4 and enters the gland 3, the sleeve seat 2 and the sleeve 1;
a circumferential groove 8 is formed in the outer surface of the conversion pipe 5 at a specific distance from the end where the second rubber cap 6 is installed; a shoulder 7 is arranged at the lower edge of the circumferential groove 8 far away from the end where the second rubber cap 6 is installed, the outer diameter of the shoulder 7 is larger than the inner diameter of the gland 3, and the shoulder 7 is used for positioning when the conversion pipe 5 enters the gland 3, the sleeve seat 2 and the sleeve 1 through the first rubber cap 4.
An inner hole of one second rubber cap 6 is used for 5mm of operation equipment to pass through, and an inner hole of the other second rubber cap 6 is used for 10mm of operation equipment to pass through, and the sealing performance between the 5mm or 10mm of operation equipment and the second rubber cap 6 is ensured.
When the second rubber cap 6 is installed, the lower edge of the second rubber cap 6 is buckled into the circumferential groove 8 of the conversion pipe 5, so that the second rubber cap 6 is fixed, and the sealing performance of the second rubber cap 6 is ensured.
The sealing element is arranged in the cannula seat 2 and is made of elastic material, when the puncture needle or the switching tube 5 passes through, the end face of the sealing element is clung to the outer wall of the puncture needle or the switching tube, and the sealing element has better sealing performance. When the puncture needle or the conversion tube 5 is pulled out, the sealing element is reset by the elasticity of the material of the sealing element and the opening and closing seam on the end surface of the sealing element is closed immediately under the action of the air pressure in the body, so that the sealing property is good. The seal is a conventional sealing arrangement within the cannula holder and will not be discussed in detail.
The gland 3 comprises a large-diameter end and a small-diameter end, the large-diameter end and the small-diameter end are integrally processed, the gland 3 is arranged above the sleeve seat 2 through the large-diameter end, the mounting mode can be threaded connection sealing or press fit sealing, and the conventional structure is adopted, so that detailed discussion is omitted; a circumferential groove is formed in the outer surface of the small-diameter end of the gland 3 at a specific distance from the outer end surface, and is used for preventing the first rubber cap 4 from falling off and ensuring the sealing property of the first rubber cap; a first rubber cap 4 with a central hole is arranged at the small diameter end of the gland 3.
The design principle of the inner hole of the first rubber cap 4 is that a 13.5/15mm puncture needle and a conversion tube 5 penetrate through the inner hole, and the sealing among the 13.5/15mm puncture needle, the conversion tube 5 and the first rubber cap is ensured.
When the first rubber cap 4 is installed, the lower edge of the first rubber cap 4 is buckled into the circumferential groove of the gland 3, the first rubber cap 4 is fixed, and the sealing performance of the first rubber cap 4 is ensured.
The working process is as follows: when a 13.5/15mm puncture needle is used, the 13.5/15mm puncture needle enters the gland, the cannula seat and the cannula through the first rubber cap to operate. When an operating instrument of 5mm or 10mm passes through, a corresponding second rubber cap is arranged on the corresponding conversion tube through the end part, then the conversion tube provided with the second rubber cap passes through the first rubber cap to enter the gland, the sleeve seat and the sleeve, and finally the operating instrument of 5mm or 10mm passes through the second rubber cap arranged on the end part of the conversion tube to enter the conversion tube for operation.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (10)
1. The utility model provides a switching sleeve pipe under peritoneoscope, its characterized in that, includes sleeve pipe, casing seat, gland and switching tube, the casing seat set up in sleeve pipe one end, the gland is installed casing seat top, install the gas injection valve on the lateral wall of casing seat, the one end installation of gland has the first rubber leather cap of centre bore, the inside passageway that supplies the pjncture needle to pass that forms of sleeve pipe, casing seat and gland, the switching tube can pass first rubber leather cap and get into gland, casing seat and sleeve pipe, the second rubber leather cap that the switching tube tip installation has the centre bore.
2. The laparoscopic underconversion cannula according to claim 1, wherein said conversion tubes are two, each of said conversion tubes is axially provided with a through hole, one of said conversion tube through holes is capable of passing 5mm instruments therethrough, the other of said conversion tube through holes is capable of passing 10mm instruments therethrough, and said outer diameter of said conversion tube is designed to pass said conversion tube through said first rubber cap and to ensure the sealing property of said conversion tube with said first rubber cap.
3. The laparoscopic subconversion cannula of claim 1, wherein said outer surface of said translation tube is provided with a circumferential groove at a specific distance from the location where said second rubber cap end is mounted, said circumferential groove being provided with a shoulder at a lower edge distal from the location where said second rubber cap end is mounted, said shoulder having an outer diameter greater than said inner diameter of said gland.
4. The laparoscopic lower conversion sleeve according to claim 1, wherein said second rubber caps are two, and one of said second rubber caps has an inner hole designed to allow a 5mm manipulator to pass therethrough, and the other of said second rubber caps has an inner hole designed to allow a 10mm manipulator to pass therethrough and to ensure a seal between the 5mm or 10mm manipulator and the corresponding second rubber cap;
when the second rubber cap is installed, the lower edge of the second rubber cap is buckled into the circumferential groove of the conversion pipe.
5. The laparoscopic lower transition cannula of claim 1, wherein said cannula is integrally formed with said cannula hub.
6. The laparoscopic lower transition cannula of claim 1, wherein said cannula hub has a seal mounted therein, said seal being formed of an elastomeric material.
7. The laparoscopic lower transition cannula of claim 1, wherein said gland includes a large diameter end and a small diameter end, said large diameter end being integrally formed with said small diameter end, said large diameter end being mounted above said cannula hub.
8. The laparoscopic lower transition cannula of claim 7, wherein said gland has a circumferential groove on an outer surface of said minor diameter end thereof at a predetermined distance from an outer end surface, said minor diameter end of said gland receiving said first rubber cap.
9. The laparoscopic transition cannula of claim 1, wherein said cannula, cannula hub and gland interior define a passage for a puncture needle to pass through said transition tube.
10. The laparoscopic subconverting cannula of claim 1, wherein said first rubber cap bore is designed to allow a puncture needle to pass through said switching tube and to ensure a seal between said puncture needle, said switching tube and said first rubber cap;
when the first rubber cap is installed, the lower edge of the first rubber cap is buckled into the circumferential groove of the gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920681903.9U CN210055969U (en) | 2019-05-13 | 2019-05-13 | Laparoscopic lower conversion sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920681903.9U CN210055969U (en) | 2019-05-13 | 2019-05-13 | Laparoscopic lower conversion sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210055969U true CN210055969U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920681903.9U Active CN210055969U (en) | 2019-05-13 | 2019-05-13 | Laparoscopic lower conversion sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210055969U (en) |
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2019
- 2019-05-13 CN CN201920681903.9U patent/CN210055969U/en active Active
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