CN108245205B - Single-port laparoscope access channel and manufacturing method thereof - Google Patents
Single-port laparoscope access channel and manufacturing method thereof Download PDFInfo
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- CN108245205B CN108245205B CN201810059630.4A CN201810059630A CN108245205B CN 108245205 B CN108245205 B CN 108245205B CN 201810059630 A CN201810059630 A CN 201810059630A CN 108245205 B CN108245205 B CN 108245205B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims description 104
- 238000000034 method Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 230000035515 penetration Effects 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000003815 abdominal wall Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0023—Surgical instruments, devices or methods, e.g. tourniquets disposable
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/00336—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means with a protective sleeve, e.g. retractable or slidable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to an access channel of a single-port laparoscope and a manufacturing method thereof, which belong to the technical field of medical instruments. The design base structure statement is convenient to obtain materials, simple to manufacture and low in manufacturing cost, the operation space is hardly increased while the air tightness is ensured, and the instrument can be pressed close almost at zero distance and is easier to operate.
Description
Technical Field
The invention relates to an access channel of a single-port laparoscope and a manufacturing method thereof, belonging to the technical field of medical appliances.
Background
The development of surgery has entered a new era of minimally invasive surgery to date. The umbilical single-port laparoscopic technique is one of minimally invasive operations, is an emerging minimally invasive operation, and has a minimally invasive concept superior to that of the traditional laparoscopic operation. It is placed into a single-channel multichannel laparoscopic instrument through a small umbilical incision (2-3 cm) for surgery.
The single port laparoscopic technique requires a special access channel, and a plurality of different access channels are currently available on the market for clinical practice, thereby ensuring the safety, reliability and convenience of the operation. But the current domestic and foreign access channels are high in price, the current domestic access channel with the cheapest price in the market is 3000 yuan, and the imported products are more expensive and are not suitable for the national conditions of China.
The applicant has therefore tried to solve this problem, using conventional surgical consumables, from the access channel, with the application number 201620783623.5, entitled self-made laparoscopic single-hole multichannel device, but with the following drawbacks:
1. the original patent uses the shaping laparoscope puncture outfit, the cost is high, and the lowest domestic cost is more than thousand yuan; plus the price of the incision protection sleeve, the whole access channel is about 2500 yuan. Despite the price advantage over the molded single port laparoscopic access channel, there is room for improvement;
2. the original patent uses a laparoscope puncture outfit, the head end of the puncture outfit is larger, which prevents the instruments from approaching during operation, often leads to the instrument to be put on a shelf, and influences the operation; compared with the traditional multi-hole laparoscope, the single-hole laparoscope operation has higher operation skill, mainly comprises the steps that instruments in operation enter through the same hole, and if the instruments are difficult to approach each other, the operation process is seriously affected, and even the operation is difficult to complete. This is the main limitation of the prior patent.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the invention are as follows: the access channel of the single-port laparoscope and the manufacturing method thereof are provided, and the access channel is simple in structure, low in manufacturing cost and easy to operate.
The invention discloses an access channel of a single-port laparoscope, which comprises a glove and is characterized in that: the tail end of at least one finger stall on the glove is transversely cut into a through hole, and an instrument penetrating pipe is arranged at the through hole and used for sealing penetration of an instrument.
When the instrument penetrating pipe is connected with the through hole, the following schemes are preferred:
the first scheme, the pipe shaft of apparatus penetrating the pipe all is provided with external dactylotheca from its inside wall to lateral wall, and the apparatus penetrates the pipe and penetrates in the through-hole, passes through the fastener at the lateral wall of dactylotheca and fixes the apparatus and penetrates the pipe in the through-hole.
According to the scheme II, the instrument penetrates into the sleeve to be arranged on the fingerstall, a fingerstall flanging is formed at the tail end of the fingerstall, the instrument penetrates into the pipe to be clamped between the fingerstall flanging and the fingerstall, and the instrument penetrating pipe is fixed between the fingerstall flanging and the fingerstall through the outer side wall of the fingerstall flanging by the fastener.
According to the third scheme, at least one layer of external fingerstall is sleeved on the instrument penetrating pipe, an opening is formed in the tail end of the external fingerstall, the instrument penetrating pipe penetrates into the through hole, and the instrument penetrating pipe is fixed in the through hole through a fastener on the outer side wall of the fingerstall.
Wherein, scheme one includes the following steps:
1. preparing materials, wherein the materials comprise gloves, external finger sleeves, instrument penetrating pipes and silk threads;
2. the method comprises the steps of manufacturing, wherein the tail end of an external fingerstall is intersected by scissors, one end of the external fingerstall penetrates through one end of an instrument penetrating pipe, then penetrates out of the other end of the instrument penetrating pipe, turns outwards after penetrating out, and is ligated by silk threads; the other end of the external fingerstall is also everted and is ligated through a silk thread; the tail end of the fingerstall of the glove is transversely cut to form a through hole, and then an instrument penetrating pipe sleeved with the external fingerstall penetrates into the through hole, and the instrument penetrating pipe is fixed in the through hole through a silk thread on the outer side wall of the fingerstall.
The scheme II comprises the following steps:
1. preparing materials, wherein the materials comprise gloves, instrument penetrating pipes and silk threads;
2. the manufacturing method comprises the steps of transversely cutting the tail end of a fingerstall of the glove to form a through hole, penetrating the tail end of the fingerstall from one end of an instrument penetrating pipe, penetrating out from the other end of the instrument penetrating pipe, and outwards turning over after penetrating out, so that the fingerstall is formed, the instrument is penetrated into a pipe clamped between the fingerstall and the fingerstall, and the instrument penetrating pipe is fixed between the fingerstall and the fingerstall through a silk thread ligation mode on the outer side wall of the fingerstall.
The third scheme comprises the following steps:
1. preparing materials, wherein the materials comprise gloves, external finger sleeves, instrument penetrating pipes and silk threads;
2. the manufacturing method comprises the steps of manufacturing, forming an opening at the tail end of an external fingerstall, sleeving the external fingerstall on an instrument penetrating pipe, transversely cutting the tail end of the fingerstall of the glove to form a through hole, penetrating the instrument penetrating pipe sleeved with the external fingerstall into the through hole, and fixing the instrument penetrating pipe in the through hole through a silk thread ligature mode on the outer side wall of the fingerstall.
It is further preferred that the fastener is a wire.
It is further preferred that the instrument penetration tube outer side wall is provided with a threaded groove.
It is further preferred that the instrument penetrates a tube-side conical tube structure.
Compared with the prior art, the invention has the following beneficial effects:
1. the design has the advantages of convenient material acquisition and simple manufacture. Is a common sterile instrument for operation, is manufactured immediately before operation, is sterile and safe.
2. The manufacturing cost is low, the surgical consumable Renminbi is less than 800 yuan (wherein, the incision protecting sleeve is about 750 yuan, the cost of instruments penetrating into the tube, the glove and the silk thread is less than 50 yuan), and is lower than the cheapest 3000 yuan access channel in China. In the small-scale production, the joints at the two ends of the disposable aspirator can be directly adopted, and the joints are used as instruments to penetrate into the pipe; the cost is lower during mass production, and custom-made instrument penetrating pipes can be realized.
3. Compared with the prior art, the design has the following advantages:
1. the problem of former patent use shaping peritoneoscope puncture ware with high costs is solved, and this technique only needs the apparatus to penetrate the pipe (can directly adopt the both ends of aspirator to connect when producing by a small amount, and its cost is lower when mass production, can customize the apparatus to penetrate the pipe), gloves, silk thread, consumes within 50 yuan.
2. The problems that the distance between the instruments of the prior patent is large and the instruments are difficult to approach are solved, the operation space of the instruments is not increased while the air tightness is ensured, the instruments can be close to each other with almost zero distance, and the operation is easier.
Drawings
FIG. 1 is a schematic diagram of a first embodiment;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 3 is a schematic diagram of a second embodiment;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B;
FIG. 5 is a schematic diagram showing a usage status structure according to an embodiment;
FIG. 6 is a schematic diagram of the structure of the third embodiment;
FIG. 7 is a schematic top view of FIG. 6;
FIG. 8 is a schematic view of the structure of the instrument penetration tube;
FIG. 9 is another secondary schematic view of the instrument penetration tube;
in the figure: 1. glove 1.1, finger stall 1.2, finger stall flanging 2, fastener 3, instrument penetrating pipe 3.1, thread groove 4, external finger stall 5, upper circle 6, protective sheath 7, lower circle 8, instrument 9, opening.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the present invention is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Since the technology is medical technology, the material adopted in the manufacturing process is medical material.
Example 1
As shown in fig. 1, 2 and 5, the single-port laparoscope access passage comprises a glove 1, wherein the tail end of at least one fingerstall 1.1 on the glove 1 is intersected into a through hole, an instrument penetrating pipe 3 is arranged at the through hole, and the instrument penetrating pipe 3 is used for sealing penetration of an instrument 8.
The instrument penetrating pipe 3 can be made of elastic materials, and the difference between the inner pipe diameter of the instrument penetrating pipe 3 and the outer pipe diameter of the instrument 8 is between 1mm and 0mm so as to ensure the tightness when the instrument 8 enters the instrument penetrating pipe 3; meanwhile, the instrument penetrating pipe 3 can be made of other medical hard materials, and a sealing ring which is in sealing fit with the instrument 8 is arranged in the instrument penetrating pipe 3; the instrument penetrating pipe 3 adopted in the embodiment is a joint at two ends of the aspirator, and the joint on the aspirator is directly sheared off during manufacturing, and is used as the instrument penetrating pipe 3.
In this embodiment, the pipe body of instrument penetrating pipe 3 all is provided with external dactylotheca 4 from its inside wall to lateral wall, and instrument penetrating pipe 3 penetrates in the through-hole, passes through fastener 2 at the lateral wall of dactylotheca 1.1 and fixes instrument penetrating pipe 3 in the through-hole.
The manufacturing process comprises the following steps:
1. preparing materials, wherein the materials comprise gloves 1, external fingerstalls 4, instrument penetrating pipes 3 and silk threads (when in use, the external fingerstalls 4 are not needed, two gloves 1 are selected, and the fingerstalls on one glove 1 are cut off to serve as the external fingerstalls 4);
2. the tail end of the external fingerstall 4 is intersected by scissors, one end of the external fingerstall 4 is penetrated from one end of the instrument penetrating pipe 3, then is penetrated from the other end of the instrument penetrating pipe 3, is turned outwards after being penetrated, and is ligated by silk threads; the other end of the external finger sleeve 4 is also everted and is ligatured by silk threads; the tail end of a fingerstall 1.1 of the glove 1 is transversely formed into a through hole, an instrument penetrating pipe 3 sleeved with an external fingerstall 4 is penetrated into the through hole, and the instrument penetrating pipe 3 is fixed in the through hole by silk threads on the outer side wall of the fingerstall 1.1;
in this embodiment, the fastening member 2 is a wire, and in practical application, the fastening member 2 may be a rubber band, a snap ring, or the like.
As shown in fig. 8, the outer side wall of the penetrating pipe 3 is provided with a thread groove 3.1, which further facilitates the fixing work of the fastener 2 and ensures more stable fixing.
As shown in fig. 9, the device penetrating pipe 3 is of a conical pipe structure, the device 8 is conveniently penetrated by the technology, and meanwhile, the sealing performance is good, and when the device penetrating pipe is used, the device 8 penetrates from the top of the device penetrating pipe 3.
When in use, as shown in fig. 1, the protective sleeve 6 is connected to the lower end of the glove 1, the upper ring 5 is arranged at the upper end of the protective sleeve 6, the lower ring 7 is arranged at the lower end of the protective sleeve, the lower ring 7 is tightly attached to the abdominal wall, the upper ring 5 is in sealing connection with the glove 1, and the glove can be put into use.
Example two
On the basis of the first embodiment, as shown in fig. 3 and 4, the instrument penetrating pipe 3 is sleeved on the fingerstall 1.1, a fingerstall turnup 1.2 is formed at the tail end of the fingerstall 1.1, the instrument penetrating pipe 3 is clamped between the fingerstall turnup 1.2 and the fingerstall 1.1, and the instrument penetrating pipe 3 is fixed between the fingerstall turnup 1.2 and the fingerstall 1.1 through a fastener 2 at the outer side wall of the fingerstall turnup 1.2;
the manufacturing method comprises the following steps:
1. preparing a material, wherein the material is provided with a glove 1, an instrument penetrating pipe 3 and a silk thread;
2. the manufacturing method comprises the steps of transversely forming a through hole at the tail end of a fingerstall 1.1 of a glove 1, penetrating the tail end of the fingerstall 1.1 from one end of an instrument penetrating pipe 3, penetrating out from the other end of the instrument penetrating pipe 3, and outwards turning over after penetrating out to form a fingerstall turnup 1.2, so that the instrument penetrating pipe 3 is clamped between the fingerstall turnup 1.2 and the fingerstall 1.1, and fixing the instrument penetrating pipe 3 between the fingerstall turnup 1.2 and the fingerstall 1.1 through a silk thread ligation mode on the outer side wall of the fingerstall turnup 1.2;
other embodiments are the same as the first embodiment.
Example III
On the basis of the first embodiment, as shown in fig. 6 and 7, at least one layer of external finger sleeve 4 is sleeved on the instrument penetrating pipe 3, an opening 9 is formed at the tail end of the external finger sleeve 4, the instrument penetrating pipe 3 penetrates into the through hole, and the instrument penetrating pipe 3 is fixed in the through hole through the fastener 2 at the outer side wall of the finger sleeve 1.1;
the manufacturing method comprises the following steps:
1. preparing materials, wherein the materials comprise gloves 1, external fingerstalls 4, instrument penetrating pipes 3 and silk threads (when in use, the external fingerstalls 4 are not needed, two gloves 1 are selected, and the fingerstalls on one glove 1 are cut off to serve as the external fingerstalls 4);
2. the manufacturing method comprises the steps of opening 9 at the tail end of an external fingerstall 4, sleeving the external fingerstall 4 on an instrument penetrating pipe 3, transversely cutting the tail end of a fingerstall 1.1 of a glove 1 to form a through hole, penetrating the instrument penetrating pipe 3 sleeved with the external fingerstall 4 into the through hole, and fixing the instrument penetrating pipe 3 in the through hole through a silk thread ligature mode on the outer side wall of the fingerstall 1.1.
Other embodiments are the same as the first embodiment.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a single port laparoscope's access way, includes gloves (1), its characterized in that: the tail end of at least one fingerstall (1.1) on the glove (1) is intersected into a through hole, an instrument penetrating pipe (3) is arranged at the through hole, and the instrument penetrating pipe (3) is used for sealing penetration of an instrument (8);
the difference between the inner pipe diameter of the instrument penetrating pipe (3) and the outer pipe diameter of the instrument (8) is between 1mm and 0mm so as to ensure the tightness when the instrument (8) enters the instrument penetrating pipe (3);
the instrument penetrating pipe (3) can be made of elastic materials and can also be made of other medical hard materials, and a sealing ring which is in sealing fit with the instrument (8) is arranged in the instrument penetrating pipe (3);
when the instrument penetrates into the through hole through the pipe (3), the external finger sleeve (4) is arranged on the pipe body of the instrument penetrating into the pipe (3) from the inner side wall to the outer side wall of the pipe body, the instrument penetrating into the pipe (3) penetrates into the through hole, and the instrument penetrating into the pipe (3) is fixed in the through hole through the fastener (2) on the outer side wall of the finger sleeve (1.1).
2. The single port laparoscopic access port according to claim 1, wherein: when the instrument penetrating pipe (3) penetrates into the through hole, the instrument penetrating pipe (3) is sleeved on the fingerstall (1.1), a fingerstall flanging (1.2) is formed at the tail end of the fingerstall (1.1), the instrument penetrating pipe (3) is clamped between the fingerstall flanging (1.2) and the fingerstall (1.1), and the instrument penetrating pipe (3) is fixed between the fingerstall flanging (1.2) and the fingerstall (1.1) through the fastener (2) on the outer side wall of the fingerstall flanging (1.2).
3. The single port laparoscopic access port according to claim 1, wherein: when the instrument penetrating pipe (3) penetrates into the through hole, at least one layer of external fingerstall (4) is sleeved on the instrument penetrating pipe (3), an opening (9) is formed in the tail end of the external fingerstall (4), the instrument penetrating pipe (3) penetrates into the through hole, and the instrument penetrating pipe (3) is fixed in the through hole through the fastener (2) on the outer side wall of the fingerstall (1.1).
4. The method for manufacturing the access channel of the single port laparoscope according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
1. preparing materials, wherein the materials comprise gloves (1), external finger sleeves (4), instrument penetrating pipes (3) and silk threads;
2. the tail end of the external fingerstall (4) is intersected by scissors, one end of the external fingerstall (4) is penetrated from one end of the instrument penetrating pipe (3), then is penetrated from the other end of the instrument penetrating pipe (3), is turned outwards after being penetrated, and is ligated by silk threads; the other end of the external finger sleeve (4) is also turned outwards and is ligated by silk threads; the tail end of a fingerstall (1.1) of the glove (1) is transversely cut to form a through hole, an instrument penetrating pipe (3) sleeved with an external fingerstall (4) is penetrated into the through hole, and the instrument penetrating pipe (3) is fixed in the through hole through a silk thread on the outer side wall of the fingerstall (1.1).
5. The method for manufacturing the access channel of the single port laparoscope according to claim 2, wherein the method comprises the following steps: the method comprises the following steps:
1. preparing a material, wherein the material is provided with a glove (1), an instrument penetrating pipe (3) and a silk thread;
2. the manufacturing method comprises the steps of transversely forming a through hole at the tail end of a fingerstall (1.1) of a glove (1), penetrating the tail end of the fingerstall (1.1) from one end of an instrument penetrating pipe (3), penetrating out from the other end of the instrument penetrating pipe (3), and outwards turning over after penetrating out, so that a fingerstall flanging (1.2) is formed, the instrument penetrating pipe (3) is clamped between the fingerstall flanging (1.2) and the fingerstall (1.1), and the instrument penetrating pipe (3) is fixed between the fingerstall flanging (1.2) and the fingerstall (1.1) in a silk thread ligature mode on the outer side wall of the fingerstall flanging (1.2).
6. A method of making a single port laparoscopic access port according to claim 3, wherein: the method comprises the following steps:
1. preparing materials, wherein the materials comprise gloves (1), external finger sleeves (4), instrument penetrating pipes (3) and silk threads;
2. the manufacturing method comprises the steps of opening (9) at the tail end of an external fingerstall (4), sleeving the external fingerstall (4) on an instrument penetrating pipe (3), transversely cutting the tail end of a fingerstall (1.1) of a glove (1) to form a through hole, penetrating the instrument penetrating pipe (3) sleeved with the external fingerstall (4) into the through hole, and fixing the instrument penetrating pipe (3) in the through hole in a silk thread ligature mode on the outer side wall of the fingerstall (1.1).
7. The single port laparoscopic access port according to claim 1, wherein: the fastener (2) is a wire.
8. The single port laparoscopic access port according to claim 1, wherein: the outer side wall of the instrument penetrating pipe (3) is provided with a thread groove (3.1).
9. The single port laparoscopic access port according to claim 1, wherein: the instrument penetrates into a conical tube structure at the side of the tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059630.4A CN108245205B (en) | 2018-01-22 | 2018-01-22 | Single-port laparoscope access channel and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059630.4A CN108245205B (en) | 2018-01-22 | 2018-01-22 | Single-port laparoscope access channel and manufacturing method thereof |
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| CN108245205A CN108245205A (en) | 2018-07-06 |
| CN108245205B true CN108245205B (en) | 2023-10-31 |
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| CN109549702B (en) * | 2019-01-15 | 2023-08-15 | 广东省妇幼保健院 | Access channel of single-port laparoscope and manufacturing method |
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