CN217886074U - Complete device for taking out NOSES operation specimen through anus - Google Patents
Complete device for taking out NOSES operation specimen through anus Download PDFInfo
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- CN217886074U CN217886074U CN202220576627.1U CN202220576627U CN217886074U CN 217886074 U CN217886074 U CN 217886074U CN 202220576627 U CN202220576627 U CN 202220576627U CN 217886074 U CN217886074 U CN 217886074U
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- inner core
- noses
- outer sleeve
- kit
- plier
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- 210000000436 anus Anatomy 0.000 title claims abstract description 15
- 210000001331 nose Anatomy 0.000 title claims abstract 12
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000000605 extraction Methods 0.000 claims description 3
- 210000003128 head Anatomy 0.000 claims 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 208000005646 Pneumoperitoneum Diseases 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 206010028980 Neoplasm Diseases 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 210000003815 abdominal wall Anatomy 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a complete set of device for taking out NOSES operation specimen through anus, which comprises an outer sleeve, an inner core and a rear cover, wherein the outer sleeve is provided with an inlet end and an outlet end, the inner core is matched and inserted into the outer sleeve, the outer diameter of the inner core is matched with the inner diameter of the outer sleeve, one end of the inner core is provided with a radially convex limiting ring, the outer diameter of the limiting ring is larger than that of the inlet end, and the other end of the inner core is hemispherical and penetrates out from the outlet end; the back cover is in threaded connection with the inlet end, the end face of the back cover is provided with at least two instrument holes for the surgical instruments to pass in and out, and elastic valves are arranged in the instrument holes and can automatically cling to the outer sides of the instruments, so that sealing is formed between the instruments and the instrument holes, and gas in the outer sleeve is prevented from leaking; in addition, a special clamp is matched to facilitate the clamp sample to pass through the instrument hole and enter the pelvic cavity through the outer sleeve to be taken out. Therefore, the utility model discloses can make things convenient for, take out the sample through the anus effectively, reach the purpose of optimizing operation flow, reducing operation time.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to complete sets that NOSES operation sample took out through anus.
Background
Laparoscopic techniques have now become the mainstay of treatment for colorectal tumours, and with the rapid development of laparoscopic techniques, further reduction of patient trauma is a goal sought by surgeons. In minimally invasive surgery, a natural orifice specimen surgery (NOSES) is performed through a natural orifice specimen collecting operation, and under the premise of ensuring radical treatment of tumors, an abdomen does not have an auxiliary incision, so that the trauma is smaller, and more surgeons pay attention to the minimally invasive surgery.
In NOSES surgery, how to successfully transanally remove a specimen is a focus of constant investigation by surgeons. Chinese patent publication No. CN103948404A discloses an auxiliary incision-free anus sleeve device, which is used for taking out a specimen through an anus, and can complete the excision of left half colon and rectum under a laparoscope without making an auxiliary incision on an abdominal wall. However, in the actual use process of clinical operation, the structure adopted by the cannula for maintaining pneumoperitoneum is as follows: the back cover and the instrument hole cover are arranged, the back cover is in threaded connection with the outer sleeve, and the instrument hole cover is also in threaded connection with the back cover, so that the structure has obvious defects, specifically, firstly, due to the fact that the back cover is in a threaded connection structure, gaps always exist in threads, the sealing performance is poor, the pneumoperitoneum state cannot be well maintained, and the operation effect is influenced; secondly, because the rear cover and the instrument hole cover are arranged and connected through the threads, the rear cover and the instrument hole cover need to be screwed for many times in the operation process, the operation is complex and time-consuming, and the operation efficiency is influenced; thirdly, when at least two surgical instruments are used in cooperation to get in and out of the cannula device, a plurality of instrument holes need to be designed, and under the cooperative operation, if the number of the instrument holes is increased, the air leakage condition is increased, the pneumoperitoneum state obviously disappears, and the surgical operation is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, convenient operation, leakproofness are good, can keep the complete sets that NOSES operation sample of pneumoperitoneum state took out through the anus well.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a complete set of device for taking out NOSES operation specimen through anus comprises an outer sleeve, an inner core, a rear cover and special forceps, wherein the outer sleeve is provided with an inlet end and an outlet end, the inner core is inserted into the outer sleeve in a matching mode, the outer diameter of the inner core is matched with the inner diameter of the outer sleeve, one end of the inner core is provided with a limiting ring protruding in the radial direction, the outer diameter of the limiting ring is larger than that of the inlet end, and the other end of the inner core is hemispherical and penetrates out of the outlet end; the rear cover is in threaded connection with the inlet end, the end face of the rear cover is provided with at least two instrument holes for surgical instruments to pass in and out, and elastic valves are arranged in the instrument holes; the special pliers comprise a pliers handle, a pliers head, a pull rope and a reset piece, wherein the pliers handle comprises a tubular pipe handle, a holding part fixedly connected with one end of the pipe handle and an operation part rotationally connected with the holding part, the pliers head is movably connected with the other end of the pipe handle, the pliers head is formed by hinging two pliers arms, the reset piece is connected between the two pliers arms and can drive the two pliers arms to open, the pull rope movably penetrates through the pipe handle, one end of the pull rope is connected with the operation part, and the other end of the pull rope is respectively connected with the two pliers arms and can drive the two pliers arms to close.
As a preferable scheme of the present invention, the elastic valve is provided with at least three flaps, and two adjacent elastic valves are partially overlapped.
As the preferred scheme of the utility model, the back lid with be equipped with the sealing washer between the entry end.
As a preferred scheme of the utility model, the back lid is equipped with the internal thread, the entry end be equipped with the external screw thread of internal thread looks adaptation.
As the preferred scheme of the utility model, the internal diameter of the outer sleeve is 25 mm-28 mm, and the external diameter of the inner core is 25 mm-28 mm.
As the preferred proposal of the utility model, the length of the inner core which is penetrated out from the outlet end is 11 mm-16 mm.
As the preferred scheme of the utility model, the back lid is equipped with the gas injection mouth, the gas supply source is connected to the gas injection mouth.
As a preferable aspect of the present invention, the holding portion and the pipe handle form an angle of 90 degrees to 120 degrees.
As the preferred proposal of the utility model, the clamping mouth of the binding clip is provided with teeth.
As the preferred scheme of the utility model, the length of special vice is 45cm.
Implement the utility model provides a pair of NOSES operation sample complete sets that takes out through anus, compare with prior art, its beneficial effect lies in:
the utility model arranges at least two instrument holes for the passing in and out of the surgical instruments on the end surface of the back cover, and elastic valves are arranged in the instrument holes, when the two surgical instruments are used in a matching way to pass in and out the instrument holes, the elastic valves are propped by the instruments, but the valves can be automatically attached to the outer sides of the instruments, so that the instruments and the instrument holes are sealed, the gas in the outer sleeve is prevented from leaking, the pneumoperitoneum state is well maintained, each instrument hole can only pass in and out one surgical instrument, the operation interference between the instruments is small, and the instrument hole cover does not need to be frequently screwed; in addition, the utility model is also provided with a special clamp which is convenient to pass through the instrument hole and enter the pelvic cavity through the outer sleeve to clamp the specimen to be taken out; therefore, the complete device for taking out the NOSES operation specimen through the anus can conveniently and effectively take out the specimen through the anus, and the purposes of optimizing the operation flow, reducing the operation time and promoting the popularization of new technology are achieved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic view of the structure of the external cannula and the rear cover of the complete set for transanally taking out the NOSES operation specimen provided by the present invention;
FIG. 2 is a schematic view of the assembly of the outer sheath and the inner core of a set for transanally extracting a NOSES surgical specimen provided by the present invention;
fig. 3 is a schematic structural view of a special forceps in a complete set for transanal extraction of a NOSES surgical specimen provided by the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element 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. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the present invention.
As shown in fig. 1 and fig. 2, a complete set of apparatuses for transanally taking out a NOSES surgical specimen provided by the preferred embodiment of the present invention includes an outer sleeve 1, an inner core 2 and a rear cover 3, wherein the outer sleeve 1 is provided with an inlet end 11 and an outlet end 12, the inner core 2 is inserted into the outer sleeve 1 in a matching manner, the outer diameter of the inner core 2 is adapted to the inner diameter of the outer sleeve 1, one end of the inner core 2 is provided with a radially protruding limit ring 21, the outer diameter of the limit ring 21 is greater than the outer diameter of the inlet end 11, and the other end of the inner core 2 is hemispherical and penetrates out of the outlet end 12; the rear cover 3 is in threaded connection with the inlet end 11, the end face of the rear cover 3 is provided with at least two instrument holes 31 for surgical instruments to pass in and out, and elastic valves 32 are arranged in the instrument holes 31. In the using process, when two surgical instruments are matched to be used to enter and exit the instrument hole 31, the elastic valve 32 is propped open by the instrument, but the valve can be automatically attached to the outer side of the instrument, so that sealing is formed between the instrument and the instrument hole 31, the gas in the outer sleeve 1 is prevented from leaking, the pneumoperitoneum state is well maintained, each instrument hole 31 can only enter and exit one surgical instrument, the operation interference between the instruments is small, the instrument hole cover does not need to be frequently screwed, the sample can be conveniently and effectively taken out through the anus, and the purposes of optimizing the surgical flow and reducing the surgical time are achieved.
Furthermore, as shown in fig. 3, in order to conveniently pass through the instrument hole and enter the pelvic cavity through the outer sleeve to take out the clamp specimen, the utility model discloses still be furnished with special vice 5 (also be one of the above-mentioned surgical instruments), special vice 5 includes pincers handle 51, binding clip 52, stay cord 53 and reset piece 54 (preferred spring), pincers handle 51 is including being tubulose pipe handle 511, with the grip 512 of one end fixed connection of pipe handle 511 and with the operation portion 513 of grip 512 swivelling joint, binding clip 52 with the other end swing joint of pipe handle 511, binding clip 52 comprises two articulated tong arms 521, reset piece 54 is connected between two tong arms 521 and can drive two tong arms 521 open, stay cord 53 is worn in the pipe handle 511 in a flexible way, one end of stay cord 53 is connected with operation portion 513, the other end of stay cord 53 is connected with two tong arms 521 respectively and can drive two tong arms 521 to close.
Illustratively, in order to make the elastic valve 32 tightly fit to the outside of the instrument well, the elastic valve 32 is provided with at least three valves for ensuring sealing performance, and the adjacent two elastic valves 32 are partially overlapped.
Illustratively, a sealing ring 4 is arranged between the rear cover 3 and the inlet end 11 to improve the tightness of the threaded connection between the rear cover 3 and the inlet end 11.
Illustratively, the rear cover 3 is provided with an internal thread, and the inlet end 11 is provided with an external thread matched with the internal thread.
Illustratively, extractors with different lengths are selected according to the distance between the tumor and the anus, the inner diameter of the outer sleeve 1 is 25-28 mm, and the outer diameter of the inner core 2 is 25-28 mm; the length of the inner core 2 which penetrates out of the outlet end 12 is 11 mm-16 mm.
Illustratively, the rear cover 3 is provided with a gas injection port 33, and the gas injection port 33 can be connected with a gas supply source. Thus, when the pneumoperitoneum pressure is decreased, gas can be injected through the gas injection port 33 to maintain a stable pneumoperitoneum pressure. When gas injection is not required, the gas injection port 33 is closed by a rubber plug 34.
Illustratively, the holding portion 512 forms an angle of 90 to 120 degrees with the tube handle 511, which is ergonomic and convenient for operation.
Illustratively, the gripping opening of the forceps head 52 is provided with teeth 522 to facilitate passing through the instrument hole and through the outer cannula into the abdominal cavity of the basin to clamp the specimen out of the body without causing the tissue to slip off.
Illustratively, the special forceps 5 have a length of 45cm, which is helpful for the operation in the deep part of the pelvic cavity.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.
Claims (10)
1. A complete set of device for taking out NOSES operation specimen through anus is characterized by comprising an outer sleeve, an inner core, a rear cover and special forceps, wherein the outer sleeve is provided with an inlet end and an outlet end, the inner core is inserted into the outer sleeve in a matching mode, the outer diameter of the inner core is matched with the inner diameter of the outer sleeve, one end of the inner core is provided with a radially-protruding limiting ring, the outer diameter of the limiting ring is larger than that of the inlet end, and the other end of the inner core is hemispherical and penetrates out of the outlet end; the rear cover is in threaded connection with the inlet end, the end face of the rear cover is provided with at least two instrument holes for surgical instruments to enter and exit, and elastic valves are arranged in the instrument holes; the special pliers comprise a plier handle, a plier head, a pull rope and a resetting piece, wherein the plier handle comprises a tubular pipe handle, a holding part fixedly connected with one end of the pipe handle and an operating part rotationally connected with the holding part, the plier head is movably connected with the other end of the pipe handle, the plier head is formed by hinging two plier arms, the resetting piece is connected between the two plier arms and can drive two plier arms to open, the pull rope is movably connected in the pipe handle in a penetrating manner, one end of the pull rope is connected with the operating part, and the other end of the pull rope is respectively connected with two plier arms and can drive two plier arms to close.
2. The NOSES surgical specimen transanally withdrawing kit as claimed in claim 1, wherein said flexible valves have at least three flaps, and wherein adjacent two of said flexible valves partially overlap.
3. The kit for transanally withdrawing a NOSES surgical specimen of claim 1, wherein a sealing ring is disposed between said rear cap and said inlet port.
4. The kit for transanally withdrawing a NOSES surgical specimen of claim 1, wherein the rear cap has internal threads and the inlet end has external threads adapted to the internal threads.
5. The kit for transanally withdrawing a NOSES surgical specimen of claim 1, wherein the outer sheath has an inner diameter of 25mm to 28mm and the inner core has an outer diameter of 25mm to 28mm.
6. The kit for transanal extraction of a NOSES surgical specimen of claim 1, wherein the length of the inner core that exits the exit end is between 11mm and 16mm.
7. The kit for transanally withdrawing a NOSES surgical specimen according to claim 1, wherein the rear cap is provided with an insufflation port which is connected to a gas supply.
8. The kit for transanal retrieval of a NOSES surgical specimen of claim 1, wherein the handle forms an angle with the shaft of the tube of between 90 and 120 degrees.
9. The kit for transanally withdrawing a NOSES surgical specimen of claim 1, wherein the jaws of the forceps head are provided with teeth at the grasping opening.
10. The kit for transanal extraction of a NOSES surgical specimen of claim 1, wherein the length of the special forceps is 45cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220576627.1U CN217886074U (en) | 2022-03-16 | 2022-03-16 | Complete device for taking out NOSES operation specimen through anus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220576627.1U CN217886074U (en) | 2022-03-16 | 2022-03-16 | Complete device for taking out NOSES operation specimen through anus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217886074U true CN217886074U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220576627.1U Active CN217886074U (en) | 2022-03-16 | 2022-03-16 | Complete device for taking out NOSES operation specimen through anus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217886074U (en) |
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2022
- 2022-03-16 CN CN202220576627.1U patent/CN217886074U/en active Active
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