CN105662550B - Puncturing lever improved structure on puncture outfit - Google Patents
Puncturing lever improved structure on puncture outfit Download PDFInfo
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- CN105662550B CN105662550B CN201610134168.0A CN201610134168A CN105662550B CN 105662550 B CN105662550 B CN 105662550B CN 201610134168 A CN201610134168 A CN 201610134168A CN 105662550 B CN105662550 B CN 105662550B
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- bar
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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
- A61B17/3417—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
- A61B17/00234—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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- 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
-
- 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
- A61B2017/3419—Sealing means between cannula and body
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Endoscopes (AREA)
- Surgical Instruments (AREA)
Abstract
Puncturing lever improved structure on puncture outfit, including the body of rod being made up of head, intermediate pole segments and bar tail integrally connected, head is puncture awl header structure, is provided with venthole close to the position of end thereon, and multiple air admission holes are provided with intermediate pole segments, two snap lock solution arms are arranged with bar tail；Including the seal assembly being made up of sealing shroud and sealing plain cushion, both of which is made up of elastomeric material, and sealing shroud is made up of flange portion, circle shell-like body and elastic cuffs portion, seals the circular gasket structure provided with endoscope mounting hole centered on plain cushion；Including enclosing the pole cap formed by cap bottom and cap, centre bore is provided with cap bottom, is placed in cap provided with two openings；Bar portion is fixed and is plugged in the inner chamber of pole cap, two snap lock solution arms are inserted respectively into two openings that cap is placed, sealing shroud inserts into bar tail and its flange portion is pressed on the end face of bar tail end, and the both ends for sealing plain cushion mutually compress with the outer face of the flange portion of sealing shroud and the inner bottom surface at cap bottom respectively.This puncturing lever improved structure realizes timely inflation during puncture.
Description
Technical field
The invention belongs to Minimally Invasive Surgery instrument technical field, the puncturing lever on more particularly to a kind of puncture outfit
Improved structure.
Background technology
Puncture outfit is a kind of outer laparoscope instrument, and it establishes abdomen suitable for celioscopy and surgical procedure
Chamber surgical work passage is used.Existing puncture outfit is mainly peeped by outer tube 1 ', puncturing lever 2 ' and installed in puncturing in rod rear end
Several parts of mirror are formed, reference can be made to Fig. 6, outer tube mainly by body portion 1-1 ' and is arranged on the tube head part of body portion rear end
1-2 ' is formed, and gas injection valve 3 ' is provided with tube head part, and puncturing lever is mainly made up of body of rod 2-1 ' and pole cap 2-2 ' two parts,
The lock solution component 2-3 ' of integrally connected is installed on pole cap, lock solution component by two snap lock solution arms and with after two snap lock solution arms
The transverse arm of end connection is formed, and two snap lock solution arms are placed in two symmetrical openings being arranged on pole cap, and are stretched from the front end of opening
Go out, be connected with realizing with the elastic locking of outer tube tube head, the opening of installation endoscope fixed handle is additionally provided with pole cap, it is interior
Sight glass fixed handle 2-4 ' is arranged in the opening in a manner of one end is be hinged, when the other end of endoscope fixed handle is in pressure
During lower state, can clamping be inserted on the endoscope in pole cap.The shank portion of above-mentioned puncturing lever inserts from the rear end of outer tube
Into outer tube, and the cone head part point of puncturing of puncturing lever front end stretches out from the front end of outer tube, outer tube body portion with
Gas passing gap is provided between the body of rod of puncturing lever, so, from the gas of gas injection valve injection, by the gas passing gap, from puncture awl
The front port matching part of head rear end and body portion is discharged, and to be filled between internal organ and peritonaeum, realizes inflation.
Above-mentioned puncturing lever structure is made up of the body of rod, pole cap, lock solution component, endoscope fixed handle, and its structure is more complicated,
Manufacture, assemble cumbersome time-consuming, at least need four procedures to complete to assemble, so, just increased considerably material into
Sheet and assembly cost；In addition, using the puncture outfit of this puncturing lever when carrying out operation puncturing, because exhaust position is located at outer tube
The front port of body portion and the binding site for puncturing conehead rear end of puncturing lever, so it cannot be guaranteed that wearing out peritonaeum in puncturing head
The very first time in gas is filled between internal organ and peritonaeum, so make it easy to internally dirty cause to damage.
The content of the invention
The present invention for solve known technology present in technical problem provide a kind of simplified structure, reduction material cost and
Assembly cost, timely fast aeration can be realized when carrying out puncture procedure, so as to avoid puncture conehead is internally dirty from causing what is damaged
Puncturing lever improved structure on puncture outfit.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：
Puncturing lever improved structure on puncture outfit, it is characterised in that：It is made up of the body of rod, seal assembly and pole cap three parts,
The body of rod and pole cap are made by medical plastic；The body of rod is by head, intermediate pole segments and bar tail three parts integrally connected structure
Into head is puncture awl header structure and the position close to end in head is provided with venthole, is grown in intermediate pole segments along bar
Direction is laid with multiple air admission holes, and the diameter of bar portion is more than the diameter of intermediate pole segments part, symmetrical in bar portion
Provided with the two snap lock solution arms extended towards head direction, the end of two snap lock solution arms is provided with latch hook structure；The sealing
Component by sealing shroud and sealing plain cushion form, sealing shroud and sealing plain cushion be made by elastomeric material, the sealing shroud by positioned at
The flange portion of one end, the circle shell-like body positioned at the elastic cuffs portion of the other end and positioned at middle part are formed, the sealing plain cushion
For circular gasket structure, endoscope mounting hole is provided with the center of sealing plain cushion, the aperture of the endoscope mounting hole is slightly less than
The external diameter of endoscope to be installed；The pole cap is enclosed by the cap bottom and the cap circumferentially closed of integrally connected to be formed, and is set on cap bottom
There is the centre bore passed freely through for endoscope to be installed, placed in cap and be provided with what is be engaged with two snap lock solution arms on the body of rod
Two openings；The bar portion of the body of rod is plugged in the inner chamber of pole cap and formed a fixed connection with pole cap, two on bar tail bullet
Property lock solution arm be inserted respectively into cap and place in two of setting openings, in sealing shroud inserting to the bar tail of the body of rod and its flange portion
Be pressed on the end face of bar tail end, seal the both ends of plain cushion respectively with the outer face of the flange portion of sealing shroud and the inner bottom surface at cap bottom
Mutually compress.
Preferably：Position close to middle part on the lateral wall of bar portion is provided with ring convex portion, two snap lock solution arms and ring
Convex portion is connected, and two groups of concavo-convex inserting location structures are arranged between the madial wall that ring convex portion position and cap are enclosed.
Preferably：Every group of concavo-convex inserting location structure encloses the first mating part and setting on madial wall by cap is arranged on
The second mating part at bar tail ring convex portion position is formed, and first mating part with cap by enclosing two positioning that madial wall is connected
Post and the positioning inserted block that is located between two locating dowels are formed, and second mating part is by being arranged on two positioning at ring convex portion position
Hole and the locating slot being arranged between two positioning holes are formed, and two locating dowels correspond to form inserting cooperation with two positioning holes,
Position inserted block and form inserting cooperation with locating slot.
Preferably：Ring convex portion is provided with close to the side of the flange portion of sealing shroud on sealing plain cushion, the ring convex portion is arranged on
The outside of endoscope mounting hole, several flutings are along the circumferential direction laid with the ring convex portion.
Preferably：Annular slot is provided with the circle shell-like body of sealing shroud and the binding site of flange portion, in the body of rod
Bar tail end is provided with the annular spigot for forming inserting with annular slot and coordinating.
Preferably：The elastic cuffs portion of sealing shroud is that middle part is provided with the flat duckbill cracked.
Preferably：The body of rod and pole cap are made by medical grade PC materials.
The present invention has the advantages and positive effects of：
1st, this puncturing lever improved structure is made up of the body of rod, pole cap, sealing shroud and sealing plain cushion, compared to the letter of existing puncturing lever
Structure is changed, has reduced material cost, and only needed two procedures just to complete assembling, therefore also considerably reduced and be assembled into
This.
2nd, this puncturing lever improved structure sets multiple air admission holes on the body of rod, and the puncture conehead of lever front end is provided with out
Stomata, so, from the gas of the gas injection valve injection on puncture outfit, behind the gap between the body of rod and the body of outer tube, warp
Cross multiple air admission holes to enter in the inner chamber of puncturing lever, then from the venthole discharge for puncturing conehead front end, so as to may be implemented in
The very first time that puncture conehead wears out peritonaeum is inflated, and internal organ is quickly separated in time with peritonaeum, and then prevent puncturing head
Internal organ are caused to damage.
3rd, this puncturing lever improved structure sets above-mentioned sealing shroud and seals the fit structure of plain cushion, so, is being performed the operation
Before puncture procedure, endoscope is inserted into sealing shroud and sealing plain cushion position, by sealing the endoscope mounting hole of plain cushion and close
The elastic deformation in the elastic cuffs portion of big envelope, so that it may endoscope is clamped, realizes the fixation of endoscope, the endoscope fixed form phase
Than by way of endoscope fixed handle is come fixed endoscope, facilitating operation in existing and reducing the fixed operation time,
The air-tightness that puncturing lever coordinates with endoscope is also improved simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is the structural representation that this puncturing lever improved structure coordinates with outer tube；
Fig. 4 is the three-dimensional exploded view of the present invention；
Fig. 5 is the dimensional structure diagram of the body of rod in Fig. 4：
Fig. 6 is the structural representation of existing puncture outfit.
In figure：1st, the body of rod；1-1, head；1-1-1, venthole；1-2, intermediate pole segments；1-2-1, air admission hole；1-3, bar tail；
1-3-1, snap lock solution arm；1-3-2, ring convex portion；1-3-3, positioning hole；1-3-4, locating slot；1-3-5, annular groove socket；2nd, it is close
Sealing assembly；2-1, sealing shroud；2-1-1, flange portion；2-1-1a, annular slot；2-1-2, elastic cuffs portion；2-1-3, circle shell-like
Body；2-2, sealing plain cushion；2-2-1, endoscope mounting hole；2-2-2, ring convex portion；2-2-3, fluting；3rd, pole cap；3-1, cap
Bottom；3-1-1, centre bore；3-2, cap enclose；3-2-1, opening；3-2-2, locating dowel；3-2-3, positioning inserted block；1 ', outer tube；1-
1 ', body portion；1-2 ', tube head part；2 ', puncturing lever；2-1 ', the body of rod；2-2 ', pole cap；2-3 ', lock solution component；It is 2-4 ', interior
Sight glass fixed handle；3 ', gas injection valve.
Embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following examples, and coordinate accompanying drawing
Describe in detail as follows：
Refer to Fig. 1-5, the puncturing lever improved structure on puncture outfit, by the body of rod 1, seal assembly 2 and the three parts structure of pole cap 3
Into the body of rod and pole cap are made by medical plastic.
The body of rod is made up of head 1-1, intermediate pole segments 1-2 and bar tail 1-3 three parts integrally connecteds, and head is puncture awl
Header structure and venthole 1-1-1 is provided with close to the position of end in head, is laid along bar length direction in intermediate pole segments
There are multiple air admission hole 1-2-1, the diameter of bar portion is more than the diameter of intermediate pole segments part, court is arranged with bar portion
Two snap lock solution arm 1-3-1 of head direction extension, the end of two snap lock solution arms is provided with latch hook structure.
The seal assembly is made up of sealing shroud 2-1 and sealing plain cushion 2-2, and sealing shroud and sealing plain cushion are by elastomeric material
It is made.The sealing shroud is by the flange portion 2-1-1 positioned at one end, the elastic cuffs portion 2-1-2 positioned at the other end and positioned at middle part
Circle shell-like body 2-1-3 form.The sealing plain cushion is circular gasket structure, and endoscope is provided with the center of sealing plain cushion
Mounting hole 2-2-1, the aperture of the endoscope mounting hole are slightly less than the external diameter of endoscope to be installed.
The pole cap encloses 3-2 by the cap bottom 3-1 and the cap circumferentially closed of integrally connected and formed, and is provided with cap bottom in supplying
The centre bore 3-1-1 that sight glass passes freely through, place in cap and opened provided with two be engaged with two snap lock solution arms on the body of rod
Mouth 3-2-1.
The bar portion of the body of rod is plugged in the inner chamber of pole cap and formed a fixed connection with pole cap.Specifically, can be
The bar tail of the body of rod and the local matching part of pole cap are welded by ultrasonic wave, and the bar tail and pole cap for making the body of rod form fixed company
Connect.Two snap lock solution arms on body of rod bar tail are inserted respectively into cap and placed in two openings of setting, and bar is arrived in sealing shroud inserting
In the bar tail of body and its flange portion is pressed on the end face of bar tail end, seals the both ends of the plain cushion flange portion with sealing shroud respectively
Outer face and the inner bottom surface at cap bottom mutually compress.
In said structure, bar tail and the pole cap of the body of rod are preferably as follows fit structure：It is close on the lateral wall of bar portion
The position at middle part is further provided with ring convex portion 1-3-2, and two snap lock solution arms are connected with ring convex portion, are enclosed at ring convex portion position with cap
Madial wall between be arranged with two groups of concavo-convex inserting location structures.Every group of bumps insert location structure：Often
The concavo-convex inserting location structure of group encloses the first mating part on madial wall and is arranged on bar tail ring convex portion position by being arranged on cap
The second mating part form, first mating part is by enclosing two locating dowel 3-2-2 that madial wall is connected with cap and being located at two
Positioning inserted block 3-2-3 between locating dowel is formed.Second mating part is by being arranged on the two positioning hole 1- at ring convex portion position
3-3 and the locating slot 1-3-4 being arranged between two positioning holes are formed, and two locating dowels correspond to form inserting with two positioning holes
Coordinate, positioning inserted block forms inserting with locating slot and coordinated.The body of rod and pole cap are facilitated using the above-mentioned concavo-convex location structure that inserts
Fast positioning assembles, the automatic assembling that is particularly suitable for use in production.
In said structure, ring convex portion 2-2-2 is further provided with close to the side of the flange portion of sealing shroud on sealing plain cushion,
The ring convex portion is arranged on the outside of endoscope mounting hole, and several flutings 2-2-3 is along the circumferential direction laid with the ring convex portion.
The slotted ring convex portion of above-mentioned band is set on sealing plain cushion, the elastic deformation during compression of sealing plain cushion can be increased considerably
Amount, so that the more consolidation that sealing shroud compresses with sealing plain cushion, and then further increase the sealing of seal assembly.
In said structure, annular slot is further provided with the circle shell-like body of sealing shroud and the binding site of flange portion
2-1-1a, the annular spigot 1-3-5 for forming inserting with annular slot and coordinating is provided with the bar tail end of the body of rod.Inserted using above-mentioned annular
The inserting fit structure of groove and annular spigot, the sealing of the bar tail end cooperation of sealing shroud flange portion and the body of rod is improved, is prevented
Inflation leaks from the bar tail end of the body of rod.
In said structure, the elastic cuffs portion of sealing shroud is preferably that middle part is provided with the flat duckbill cracked.
In said structure, the body of rod and pole cap are preferably made by medical grade PC materials.
This puncturing lever improved structure, it on two snap lock solution arm integrated injection moldings to bar tail, will so save one individually
Lock solution component；Increase sealing shroud with sealing the fit structure of plain cushion, sealing shroud can be used and seal plain cushion come direct fixed endoscope,
On the one hand endoscope fixed handle is saved, on the other hand also ensure that air-tightness；Air inlet is set in the intermediate pole segments of the body of rod
Hole, while venthole is set close to the position of end in head, so, the new gas injection passage by body of rod inner chamber is formed,
It may be implemented in puncture conehead and wear out very first time of peritonaeum by the gas injection passage and be inflated, make internal organ quickly timely with peritonaeum
Separate, and then prevent puncturing head to cause to damage to internal organ, so as to improve the security of operation and reduce malpractice rate.
This puncturing lever improved structure when in use, can with existing puncture outfit outer tube combination accessory use, its with it is outer
The connected mode of sleeve pipe is identical with the connected mode of outer tube with existing puncturing lever, is by two snap lock solution arms and outer tube
The carry out elastic locking connection of tube head.
Claims (5)
1. the puncturing lever improved structure on puncture outfit, it is characterised in that：It is made up of the body of rod, seal assembly and pole cap three parts, institute
State the body of rod and pole cap is made by medical plastic；The body of rod is made up of head, intermediate pole segments and bar tail three parts integrally connected,
Head is puncture awl header structure and the position close to end in head is provided with venthole, rectangular along bar in intermediate pole segments
To multiple air admission holes are laid with, the diameter of bar portion is more than the diameter of intermediate pole segments part, symmetrically set in bar portion
There are two snap lock solution arms towards the extension of head direction, the end of two snap lock solution arms is provided with latch hook structure；The sealing group
Part is made up of sealing shroud and sealing plain cushion, and sealing shroud and sealing plain cushion are made by elastomeric material, and the sealing shroud is by positioned at one
The flange portion at end, the circle shell-like body positioned at the elastic cuffs portion of the other end and positioned at middle part are formed, and the sealing plain cushion is
Circular gasket structure, endoscope mounting hole is provided with the center of sealing plain cushion, the aperture of the endoscope mounting hole, which is slightly less than, treats
The external diameter of endoscope is installed；The pole cap is enclosed by the cap bottom and the cap circumferentially closed of integrally connected to be formed, and is provided with cap bottom
The centre bore passed freely through for endoscope to be installed, placed in cap provided with two be engaged with two snap lock solution arms on the body of rod
Individual opening；The bar portion of the body of rod is plugged in the inner chamber of pole cap and formed a fixed connection with pole cap, two on bar tail elasticity
Lock solution arm is inserted respectively into cap and placed in two openings of setting, and sealing shroud inserting is arrived in the bar tail of the body of rod and its flange portion pressure
Tightly on the end face of bar tail end, seal the both ends of plain cushion respectively with the outer face of the flange portion of sealing shroud and the inner bottom surface phase at cap bottom
Compress；Position close to middle part on the lateral wall of bar portion is provided with ring convex portion, and two snap lock solution arms are connected with ring convex portion,
Two groups of concavo-convex inserting location structures are arranged between the madial wall that ring convex portion position and cap are enclosed；Every group of concavo-convex inserting positioning knot
Structure encloses the first mating part on madial wall and is arranged on the second mating part structure at bar tail ring convex portion position by being arranged on cap
Into first mating part with cap by enclosing madial wall two locating dowels being connected and the positioning inserted block structure being located between two locating dowels
Into, second mating part by the locating slot that is arranged on two positioning holes at ring convex portion position and is arranged between two positioning holes
Form, two locating dowels correspond to form inserting cooperation with two positioning holes, and positioning inserted block forms inserting cooperation with locating slot.
2. the puncturing lever improved structure on puncture outfit according to claim 1, it is characterised in that：It is close on sealing plain cushion
The side of the flange portion of sealing shroud is provided with ring convex portion, and the ring convex portion is arranged on the outside of endoscope mounting hole, in the ring convex portion
Along the circumferential direction it is laid with several flutings.
3. the puncturing lever improved structure on puncture outfit according to claim 1, it is characterised in that：In the circle shell-like of sealing shroud
Body and the binding site of flange portion are provided with annular slot, are provided with the bar tail end of the body of rod and form inserting cooperation with annular slot
Annular spigot.
4. the puncturing lever improved structure on puncture outfit according to claim 1, it is characterised in that：The elastic cuffs of sealing shroud
Portion is that middle part is provided with the flat duckbill cracked.
5. the puncturing lever improved structure on puncture outfit according to claim 1, it is characterised in that：The body of rod and pole cap are equal
It is made up of medical grade PC materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610134168.0A CN105662550B (en) | 2016-03-09 | 2016-03-09 | Puncturing lever improved structure on puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610134168.0A CN105662550B (en) | 2016-03-09 | 2016-03-09 | Puncturing lever improved structure on puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105662550A CN105662550A (en) | 2016-06-15 |
| CN105662550B true CN105662550B (en) | 2018-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610134168.0A Active CN105662550B (en) | 2016-03-09 | 2016-03-09 | Puncturing lever improved structure on puncture outfit |
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| Country | Link |
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| CN (1) | CN105662550B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852425A (en) * | 2017-12-28 | 2018-11-23 | 天津优外医疗器材制造有限公司 | A kind of Minimally Invasive Surgery fetching bag device with air bag |
| CN112617981A (en) * | 2019-09-24 | 2021-04-09 | 广州迪克医疗器械有限公司 | Puncture rod and puncture outfit |
| CN112472242B (en) * | 2020-12-12 | 2022-02-18 | 常州安康医疗器械有限公司 | Endoscope puncture outfit convenient to it is clean |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006004652A1 (en) * | 2004-06-29 | 2006-01-12 | Applied Medical Resources Corporation | Insufflating optical surgical instrument |
| US20130338694A1 (en) * | 2012-06-18 | 2013-12-19 | Covidien Lp | Optical obturator assembly |
| CN203885583U (en) * | 2014-05-06 | 2014-10-22 | 杭州康基医疗器械有限公司 | Puncture device sealing mechanism |
| CN104546079A (en) * | 2015-01-27 | 2015-04-29 | 宁波一清医疗科技发展有限公司 | Puncture cannula used for laparoscopic operation and capable of preventing abdominal viscus puncture injury |
| CN205626047U (en) * | 2016-03-09 | 2016-10-12 | 天津优外医疗器材制造有限公司 | Puncture rod on puncture ware improves structure |
-
2016
- 2016-03-09 CN CN201610134168.0A patent/CN105662550B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006004652A1 (en) * | 2004-06-29 | 2006-01-12 | Applied Medical Resources Corporation | Insufflating optical surgical instrument |
| US20130338694A1 (en) * | 2012-06-18 | 2013-12-19 | Covidien Lp | Optical obturator assembly |
| CN203885583U (en) * | 2014-05-06 | 2014-10-22 | 杭州康基医疗器械有限公司 | Puncture device sealing mechanism |
| CN104546079A (en) * | 2015-01-27 | 2015-04-29 | 宁波一清医疗科技发展有限公司 | Puncture cannula used for laparoscopic operation and capable of preventing abdominal viscus puncture injury |
| CN205626047U (en) * | 2016-03-09 | 2016-10-12 | 天津优外医疗器材制造有限公司 | Puncture rod on puncture ware improves structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105662550A (en) | 2016-06-15 |
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