CN109124738B - Puncture outfit casing pipe and use method of inner pipe and outer pipe thereof - Google Patents

Puncture outfit casing pipe and use method of inner pipe and outer pipe thereof Download PDF

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Publication number
CN109124738B
CN109124738B CN201810985299.9A CN201810985299A CN109124738B CN 109124738 B CN109124738 B CN 109124738B CN 201810985299 A CN201810985299 A CN 201810985299A CN 109124738 B CN109124738 B CN 109124738B
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China
Prior art keywords
lock
pipe
clamping seat
groove
locking
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CN109124738A (en
Inventor
舒明泉
张幸波
徐斌峰
赵�卓
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Zhejiang Tiansong Medical Instrument Co ltd
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Zhejiang Tiansong Medical Instrument Co ltd
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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
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B2017/3433—Cannulas with different outer diameters of the cannula
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B2017/347—Locking means, e.g. for locking instrument in cannula

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Endoscopes (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to a puncture outfit sleeve and a using method of an inner tube and an outer tube thereof, which are mainly suitable for operations of abdominal cavity and thoracic cavity of a human body. The sleeve assembly comprises a lower sleeve cover, a sealed cabin and an upper sleeve cover, and is characterized in that: the inner pipe is movably connected with the outer pipe, the lock clamping seat is fixed with the inner pipe, and the lock clamp is fixed on the lock clamping seat; the outer pipe is provided with an outer pipe boss which can move up and down in the chute of the inner pipe and enables the lock clip to extend out or retract; the lock clip is an outward-opened elastic piece and is made of memory alloy wires; the use method of the inner tube and the outer tube is realized by rotating the outer tube to ensure that the locking clip is outwards opened and fixed on the inner cavity wall of a human body. The invention has more reasonable structural design, the sleeve can not fall off when in use, and the use is safer and more reliable.

Description

Puncture outfit casing pipe and use method of inner pipe and outer pipe thereof
Technical Field
The invention relates to a medical puncture outfit, in particular to a puncture outfit sleeve and a using method of an inner tube and an outer tube thereof, which belong to the technical field of medical treatment and are mainly suitable for abdominal cavity and thoracic cavity operations of human bodies.
Background
At present, the field of minimally invasive surgery, i.e. laparoscopic surgery, is widely used in abdominal surgery of the human body. When the puncture outfit is used, after the puncture outfit punctures the abdomen of a human body, the puncture outfit is taken out, gas is injected into the abdominal cavity through the pneumoperitoneum machine interface of the puncture outfit by virtue of the channel to establish pneumoperitoneum, and then the puncture outfit is inserted into a laparoscope, so that laparoscopic surgery can be carried out under the monitoring of the laparoscope.
Chinese patent application No. 2014102920056 discloses a "puncture outfit", it includes thimble assembly, seal assembly, needle subassembly and air valve body subassembly, seal assembly is connected with thimble assembly and needle subassembly respectively, air valve body subassembly and thimble assembly are connected, be provided with the sleeve pipe in thimble assembly, the sleeve pipe lower cover, sleeve pipe upper cover and sealing cap, be provided with sealed lower cover in seal assembly, the sealing washer, sealed upper cover, sealed lower gland, elastic sealing element, support piece and sealed upper gland, elastic sealing element is the conical shape of taking a breach, its characterized in that: a compression spring, a support rod and a positioning pin are also arranged in the sleeve assembly, and the compression spring and the support rod are mutually contacted and arranged between the sleeve lower cover and the sleeve upper cover; the positioning pin and the sleeve upper cover are connected into a whole and are made of plastics, and the sleeve upper cover and the sleeve lower cover are in interference fit; the sleeve upper cover is respectively provided with an elongated slot, a bayonet slot, a positioning slot, a spring hole and a support rod positioning hole, the elongated slot, the bayonet slot and the support rod positioning hole are all arranged on the upper surface of the sleeve upper cover, the bayonet slot is communicated with the upper surface of one end of the elongated slot, the positioning slot is communicated with the lower surface of the other end of the elongated slot, and the spring hole is communicated with the support rod positioning hole. Although the puncture outfit with the structure is of the detachable structure between the sleeve pipe assembly and the sealing assembly, the puncture outfit can take out larger tissue foreign matters during operation, and can not lead the sealing assembly to fall off in the processes of sterilization, packaging and transportation, so that the design and the use are safer and more reliable, and the sealing effect is better. However, when the sleeve is used in an operation, the sleeve is fixed on the inner wall of an abdominal cavity of a human body through the threads of the sleeve, and the sleeve is easy to fall off in the operation process, thereby generating a series of well-known effects.
Chinese patent application No. 2014100692568 discloses a disposable puncture outfit, which comprises a puncture outfit body device, an air-blocking sealing device, a locking device and a puncture cone device, but the air-blocking sealing device of the puncture outfit with the structure is not detachable, and can not pass through when larger tissue foreign matters need to be taken out, so that the application range is narrow; the resistance of the instrument in the operation process is increased, and the cost is high; meanwhile, it has the following disadvantages: the working principle is that the cut tissue is wrapped in the blade-shaped anti-slip holes on the sleeve, so that the wrapping force is not large enough in the application of small-specification sleeves, and the sleeve is easy to fall off; meanwhile, the structure is multiple, the process is complex and the cost is high.
Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the above disadvantages in the prior art, and to provide a puncture outfit casing tube which is designed with an inner tube and an outer tube, wherein the outer tube can move on the inner tube; meanwhile, an inner tube and an outer tube of the puncture outfit sleeve are used, the lock clamp is outwards opened and fixed on the inner wall of the abdominal cavity of a human body by rotating the outer tube, the sleeve cannot fall off, and the use is safer and more reliable.
The technical scheme adopted by the invention for solving the problems is as follows: this puncture ware sleeve pipe includes the thimble assembly, and the thimble assembly includes sleeve pipe lower cover, sealed cabin and sleeve pipe upper cover, its characterized in that:
the puncture needle is also provided with a lock clamping seat, a lock clamp, a circular inner tube and a circular outer tube, wherein one end of the inner tube is a puncture head, the inner tube is movably connected with the outer tube, the inner tube is also fixed with the sealed cabin, the lock clamping seat is fixed with the inner tube, and the lock clamp is fixed on the lock clamping seat;
the inner pipe is provided with a sliding chute, a locking clamping groove and a straight chute, the sliding chute is matched with the outer pipe, and the locking clamping groove is matched with the locking clamp, so that the outer pipe can move up and down in the sliding chute, and the locking clamp can extend out of or retract into the locking clamping groove;
the outer pipe is movably arranged in the straight groove of the inner pipe, and is also provided with an outer pipe boss which is positioned on the inner wall of the outer pipe, is matched with the sliding groove and can move in the sliding groove.
The lock clamping seat is a circular body, is positioned at the middle lower part of the inner pipe and is clamped and fixed with the inner pipe;
the locking clip is an elastic piece which is opened outwards.
Preferably, the lock clamping seat is in two semicircular shapes, and the lock clamping seat is fixed through bosses and grooves on two sides respectively.
Preferably, the inner pipe is of an integrated structure, and is further provided with a locking and clamping seat mounting groove and a locking and clamping seat positioning groove.
Preferably, the lock clamping seat is also provided with a lock clamping seat boss and a lock clamping seat positioning groove respectively, the lock clamping seat boss is matched with the lock clamping seat positioning groove on the inner tube, the lock clamp is arranged in the lock clamping seat positioning groove, and the whole lock clamping seat is positioned in the lock clamping seat mounting groove.
Preferably, the lock clip is made of a circular memory alloy wire and bent into a U shape, and two ends of the lock clip are respectively fixed in the lock clip seat.
Preferably, the sliding groove is in a structure spirally distributed along the outer wall of the inner pipe, and two end parts of the sliding groove are in horizontal structures and have a self-locking function.
Preferably, the sealed cabin is sleeved with the lower cover of the sleeve, and a distance is designed between the lower end of the sealed cabin and the upper end of the outer pipe, so that the outer pipe can move up and down.
Preferably, the diameter of the memory alloy wire of the lock clip is 0.3-1.0mm, the bending height is 3.0-15mm, and the bending angle is 40-110 degrees.
Preferably, the inner diameter of the inner tube according to the present invention is matched to surgical instruments having diameters of 5mm, 10mm, 12mm and 15mm, respectively.
The invention relates to a using method of an inner tube and an outer tube of a puncture outfit sleeve, which is characterized in that:
in the initial state, the lock clamp is limited in the outer tube, is positioned in the lock clamp groove and is in a non-opening state; at this time, the boss of the outer tube is positioned at the lowest end of the chute of the inner tube.
The outer tube is rotated, at the moment, the boss of the outer tube moves upwards to the uppermost end of the sliding groove through the sliding groove of the inner tube, and the lock clamp expands outwards to form an initial bending state.
When the locking device is not used, the outer pipe is rotated in the opposite direction, the boss of the outer pipe moves downwards to the lowest end of the sliding groove through the sliding groove of the inner pipe, and the locking clamp slides into the outer pipe again and is positioned in the locking clamp groove to return to the initial state.
Compared with the prior art, the invention has the following advantages and effects: 1. the puncture outfit casing has more reasonable structural design, because an inner pipe and an outer pipe which are matched with each other are designed, and the outer pipe can move on the inner pipe; after the cannula is punctured into the abdomen, a plurality of locking clips expand outwards and are fixed on the inner cavity wall (such as abdominal wall) of a human body in an umbrella-shaped state; when the puncture cannula is not used, the lock clamp can slide into the outer tube, the outer side of the whole puncture cannula is not exposed, the outer surface is smooth, and the puncture cannula can be pulled out; 2. the working length can be shortened by 10-40mm compared with the prior art, the sleeve can be prevented from falling off, the operation angle of the instrument is large, and the fixation is firm and stable; 3. the inner tube and the outer tube of the puncture outfit casing tube are safer and more reliable in use method, the lock clamp is outwards opened and fixed on the inner cavity wall of a human body by rotating the outer tube, and the casing tube cannot fall off.
Drawings
Fig. 1 is a schematic front view of the overall structure of the latch of the present invention when closed.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 is a schematic sectional view of the structure a-a in fig. 2.
FIG. 4 is an enlarged sectional view of B-B in FIG. 1.
Fig. 5 is a schematic front view showing the overall structure of the latch of the present invention when it is opened.
Fig. 6 is a schematic perspective view of the overall structure of the latch of the present invention when it is opened.
Fig. 7 is a structural schematic diagram of the overall structure of the present invention when it is unfolded.
Fig. 8 is a schematic perspective view of the latch holder and the latch of the present invention integrally formed.
Fig. 9 is a schematic perspective view of the latch holder of fig. 8 shown separated.
Fig. 10 is a bottom view of fig. 9 with the latch removed.
FIG. 11 is a front view showing the structure of the inner tube in the present invention.
Fig. 12 is a schematic left side view of the structure of fig. 11.
Fig. 13 is a schematic top view of the structure of fig. 11.
Fig. 14 is a perspective view of the inner tube of the present invention.
FIG. 15 is a schematic perspective view of the inner tube of the present invention in another direction.
Detailed Description
Referring to fig. 1-6, the embodiment of the present invention mainly includes an inner tube 1, an outer tube 2, a lock holder 3, a lock holder 4, a sealed cabin 5, a sleeve lower cover 6, a spring 7, a push rod 8, a cross seal cap 9, a sleeve upper cover 10, a gas valve core 11, and a gas valve body 12, wherein: the inner tube 1, the outer tube 2, the locking seat 3, the sealed cabin 5, the lower cover 6 of the sleeve, the ejector rod 8, the upper cover 10 of the sleeve, the gas valve core 11 and the gas valve body 12 are made of engineering plastics, the locking clamp 4 is made of memory alloy, and the cross-shaped sealing cap 9 is made of silica gel.
In the embodiment, the inner tube 1 is movably connected with the outer tube 2, the inner tube 1 is further fixedly bonded with the sealed cabin 5, the lock clamping seat 3 is fixed with the inner tube 1, and the lock clamp 4 is fixedly inserted into the lock clamping seat 3; the spring 7 and the ejector rod 8 are sleeved in the sleeve upper cover 10 and connected with the sleeve lower cover 6, the cross-shaped sealing cap 9 is pressed between the sealed cabin 5 and the sleeve upper cover 10, the air valve core 11 is sleeved in the air valve body 12, and the air valve body 12 is fixedly bonded with the sealed cabin 5.
In the present embodiment, the capsule 5 is sleeved with the lower cover 6, and a distance h is designed between the lower end 51 of the capsule 5 and the upper end 21 of the outer tube 2, so that the outer tube 2 can move up and down along the axial direction and relative to the inner tube 1.
The diameter of the memory alloy wire of the lock clamp 4 is 0.3-1.0mm, the bending height is 3.0-15mm, and the bending angle is 40-110 degrees, the size can be selected according to the condition of a patient (such as height, fat and thin), and the anti-falling strength is adjusted; in the embodiment, the diameter of the memory alloy wire of the locking clip 4 is 0.5mm, the bending height H is 8.0mm, and the bending angle α is 60 °.
In use, the inner diameter of the inner tube 1 of this embodiment is adapted to accommodate surgical instruments having diameters of 5mm, 10mm, 12mm and 15mm, respectively.
The working length of the embodiment is 80mm, the prior art is generally 100mm, and the length is shortened by 20 mm.
Referring to fig. 7-15, the present embodiment is further provided with an inner tube 1, an outer tube 2, a lock holder 3 and a lock catch 4, wherein: the inner tube 1 and the outer tube 2 are circular, one end of the inner tube 1 is a puncture head 105, and the inner tube 1 is of an integrated structure.
In this embodiment, the inner tube 1 is further provided with a locking and clamping seat positioning groove 101, a sliding groove 102, a straight groove 103, a locking and clamping groove 104 and a locking and clamping seat mounting groove 106, the sliding groove 102 is matched with the outer tube 2, so that the outer tube 2 can move up and down in the sliding groove 102, the locking and clamping groove 104 is matched with the locking and clamping 4, namely, the locking and clamping 4 is located in the locking and clamping groove 104, so that the end part of the locking and clamping 4 in one direction is fixed in the locking and clamping groove 104, and the end part in the other direction can extend out of or retract into the locking. In this embodiment, there are two lock holder positioning slots 101, which are respectively matched with the first lock holder boss 311 and the second lock holder boss 321 on the lock holder 3 to prevent the lock holder 3 from rotating. The sliding groove 102 in this embodiment is a structure spirally distributed along the outer wall of the inner tube 1, and two ends of the sliding groove 102 are horizontal structures, so that the sliding groove has a self-locking function, and when an axial force is applied, the outer tube 2 cannot rotate.
The outer tube 2 is movably arranged in a straight groove 103 of the inner tube 1, an outer tube boss 22 is further arranged on the outer tube 2, and the outer tube boss 22 is located on the inner wall of the outer tube 2, matched with the sliding groove 102 and capable of moving up and down in the sliding groove 102 under the action of external force.
The lock clamping seat 3 is a circular body, and the lock clamping seat 3 is positioned at the middle lower part of the inner tube 1 and is clamped and fixed with the inner tube 1; in this embodiment, the lock clamping seat 3 is composed of two semicircles, which are a lock clamping seat one 31 and a lock clamping seat two 32, and the lock clamping seat one 31 and the lock clamping seat two 32 are fixed by a boss 312 and a groove 322 on two sides respectively; the first lock clamping seat 31 and the second lock clamping seat 32 are respectively provided with a first lock clamping seat boss 311 and a second lock clamping seat boss 321, and are respectively provided with a first lock clamping positioning groove 313 and a second lock clamping positioning groove 323; in this embodiment, there are two pairs of the first locking positioning groove 313 and the second locking positioning groove 323, and correspondingly, there are four locking clips 4, two first locking clips 41 and two second locking clips 42 are respectively installed in the first locking positioning groove 313 and the second locking positioning groove 323, and the whole locking clip base 3 is located in the locking clip base installation groove 106 of the inner tube 1. Generally, three to six lock cards 4 can be selected.
The locking clip 4 is an outward-opened elastic member in the initial state, that is, the initial state is a bent state, in this embodiment, the locking clip 4 is made of a circular memory alloy wire and bent into a U shape, and both ends of the locking clip are respectively fixed in the locking clip positioning grooves. Generally, a common spring can lose efficacy after a long time, and a memory alloy wire can be used for a long time and is not easy to deform. In practice, after the two ends of the lock clip 4 are respectively installed in the lock clip positioning grooves and are in place, the two ends of the lock clip 4 can be bent once, so that the positioning and the fixing are convenient.
Referring to FIGS. 1-15, the use of the puncture instrument cannula of the present invention can be used with the sealing assembly and the puncture needle assembly of patent No. 2014102920056; wherein: the use method of the parts such as the sealed cabin 5, the lower sleeve cover 6, the spring 7, the ejector rod 8, the upper sleeve cover 10 and the like is the same as or equivalent to that of the prior art.
The use method of the inner tube and the outer tube of the puncture outfit sleeve comprises the following steps:
in an initial state, the locking clip 4 is limited in the outer tube 2 and is positioned in the locking clip groove 104, and the locking clip 4 is in a closed state without opening; at this time, the outer tube boss 22 is located at the lowermost end 1022 of the sliding groove 102 of the inner tube 1.
When the puncture needle is used, after the puncture needle penetrates into the abdomen of a human body, the outer tube 2 is rotated anticlockwise, at the moment, the boss 22 of the outer tube moves upwards to the uppermost end 1021 of the sliding groove 102 through the sliding groove 102 of the inner tube 1, the locking clamp 4 expands outwards to form a bending state, and the umbrella-shaped state is fixed on the inner cavity wall of the human body.
After the use, the outer tube 2 is rotated clockwise in the opposite direction, the boss 22 of the outer tube moves downwards to the lowest end 1022 of the sliding groove 102 through the sliding groove 102 of the inner tube 1, the lock catch 4 slides into the outer tube 2 again, is positioned in the lock catch groove 104, and returns to the initial state; at the moment, the outside of the puncture cannula is not exposed by the locking clip 4, the outer surface is smooth, and the puncture cannula can be pulled out.
The above description is within the reach of a person skilled in the art.
The specific embodiments described in this specification, insofar as their elements do not specify a particular shape or size, may be of any shape or size consistent with its structure; also, the names of the parts may be different. All equivalent or simple changes of the structure, the characteristics and the principle of the invention which are described in the patent conception of the invention are included in the protection scope of the patent of the invention.

Claims (4)

1. The utility model provides a puncture outfit sleeve pipe, includes the sleeve pipe subassembly, and the sleeve pipe subassembly includes sleeve pipe lower cover, sealed cabin and sleeve pipe upper cover, its characterized in that:
the puncture needle is also provided with a lock clamping seat, a lock clamp, a circular inner tube and a circular outer tube, wherein one end of the inner tube is a puncture head, the inner tube is movably connected with the outer tube, the inner tube is also fixed with the sealed cabin, the lock clamping seat is fixed with the inner tube, and the lock clamp is fixed on the lock clamping seat;
the inner pipe is of an integrated structure, the inner pipe is provided with a sliding groove, a locking clamping groove, a straight groove, a locking clamping seat mounting groove and a locking clamping seat positioning groove, the sliding groove is matched with the outer pipe so that the outer pipe can move up and down in the sliding groove, the sliding groove is of a structure spirally distributed along the outer wall of the inner pipe, two end parts of the sliding groove are of horizontal structures and have a self-locking function, and the locking clamping groove is matched with the locking clamp so that the locking clamp can extend out of or retract into the locking clamping groove;
the outer pipe is movably arranged in the straight groove of the inner pipe, and an outer pipe boss is arranged on the outer pipe, is positioned on the inner wall of the outer pipe, is matched with the sliding groove and can move in the sliding groove;
the lock clamping seat is positioned at the middle lower part of the inner tube, the lock clamping seat is in two semicircular shapes and is respectively fixed through bosses and grooves at two sides, the lock clamping seat is also respectively provided with a lock clamping seat boss and a lock clamping positioning groove, the lock clamping seat boss is matched with the lock clamping seat positioning groove on the inner tube, the lock clamp is arranged in the lock clamping positioning groove, and the whole lock clamping seat is positioned in the lock clamping seat mounting groove;
the lock clip is an elastic piece which is opened outwards, the lock clip is made of a circular memory alloy wire and bent into a U shape, and two ends of the lock clip are respectively fixed in the lock clip seat;
the sealed cabin is sleeved with the lower cover of the sleeve, and a distance is designed between the lower end of the sealed cabin and the upper end of the outer pipe, so that the outer pipe can move up and down.
2. The penetrator cannula of claim 1, wherein: the diameter of the memory alloy wire of the lock clip is 0.3-1.0mm, the bending height is 3.0-15mm, and the bending angle is 40-110 degrees.
3. The penetrator cannula of claim 1, wherein: the inner diameter of the inner tube is respectively matched with surgical instruments with the diameters of 5mm, 10mm, 12mm and 15 mm.
4. A method of using the inner and outer tubes of a puncture instrument cannula according to any of claims 1 to 3, wherein:
in the initial state, the lock clamp is limited in the outer tube, is positioned in the lock clamp groove and is in a non-opening state; at the moment, the boss of the outer pipe is positioned at the lowest end of the chute of the inner pipe;
rotating the outer pipe, wherein the boss of the outer pipe moves upwards to the uppermost end of the sliding chute through the sliding chute of the inner pipe, and the locking clamp expands outwards to form a bending state;
when the locking device is not used, the outer pipe is rotated in the opposite direction, the boss of the outer pipe moves downwards to the lowest end of the sliding groove through the sliding groove of the inner pipe, the locking clamp slides into the outer pipe again and is positioned in the locking clamp groove, and the outer pipe returns to the initial state again.
CN201810985299.9A 2018-08-28 2018-08-28 Puncture outfit casing pipe and use method of inner pipe and outer pipe thereof Active CN109124738B (en)

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Application Number Priority Date Filing Date Title
CN201810985299.9A CN109124738B (en) 2018-08-28 2018-08-28 Puncture outfit casing pipe and use method of inner pipe and outer pipe thereof

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CN109124738B true CN109124738B (en) 2021-02-09

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Publication number Priority date Publication date Assignee Title
CN110353784A (en) * 2019-08-21 2019-10-22 南方医科大学珠江医院 A kind of depth-adjustable and laparoscope of fixation punctures set
CN113413201B (en) * 2021-07-30 2023-09-08 上海微创医疗机器人（集团）股份有限公司 Puncture outfit and endoscope robot

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US5354302A (en) * 1992-11-06 1994-10-11 Ko Sung Tao Medical device and method for facilitating intra-tissue visual observation and manipulation of distensible tissues
WO2009076188A2 (en) * 2007-12-05 2009-06-18 Donahue John R Retractor and sealing system for surgical/non-surgical instruments
US7828775B2 (en) * 2008-04-11 2010-11-09 Tyco Healthcare Group Lp Telescoping cannula
KR20110079885A (en) * 2008-10-10 2011-07-11 서지퀘스트, 인코포레이티드 Low-profile surgical access devices with anchoring
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CN103083065A (en) * 2011-11-07 2013-05-08 苏州天臣国际医疗科技有限公司 Sleeve assembly of puncture outfit
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