CN107137119A - A kind of closing clamp and its method for releasing - Google Patents
A kind of closing clamp and its method for releasing Download PDFInfo
- Publication number
- CN107137119A CN107137119A CN201710536200.2A CN201710536200A CN107137119A CN 107137119 A CN107137119 A CN 107137119A CN 201710536200 A CN201710536200 A CN 201710536200A CN 107137119 A CN107137119 A CN 107137119A
- Authority
- CN
- China
- Prior art keywords
- closing clamp
- needle point
- closing
- occlusion
- arc spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/08—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
-
- 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
- A61B17/08—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
- A61B17/083—Clips, e.g. resilient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/10—Surgical instruments, devices or methods, e.g. tourniquets for applying or removing wound clamps, e.g. containing only one clamp or staple; Wound clamp magazines
-
- 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
- A61B2017/00349—Needle-like instruments having hook or barb-like gripping means, e.g. for grasping suture or tissue
Abstract
The invention discloses a kind of closing clamp and its method for releasing, the closing clamp includes at least three occlusion pin pawls being centrosymmetric, the occlusion pin pawl includes needle point, needle body and afterbody, the afterbody of two adjacent occlusion pin pawls is connected by one section of arc spring, each section of arc spring head and the tail connection forms annular, during free state, the needle point of each occlusion pin pawl is directed to the annular central point, but the needle point of each occlusion pin pawl is not contacted.The technical program needle point gos deep into tissue, actively captures surface of a wound surrounding tissue, closes the wound of larger area, and folder is tilted after closing without tail end, and other operation techniques are not influenceed；Can the disposable larger wound of rapid suture, structure is reliable, and release is convenient, and firm grip is accurate.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of closing clamp and method for releasing that coordinate endoscope to use,
For the surgical wound that sutures Microendoscopic hemostasis or prevent tardy bleeding.
Background technology
With the development of endoscopic technic and other correlation techniques, Hemostasis through endoscopy has become current hemorrhage of digestive tract and controlled
The preferred treatment method for the treatment of.Endoscope hemostasis method conventional at present have laser coagulation, electrocoagulation, local injection hemostasia,
Herbal sprinkling method and hemostatic clamp folder close method etc..Wherein, hemostatic clamp folder close method because its traumatic small, anthemorrhagic speed is fast, again bleeding send out
Raw rate is low, few intercurrent disease, determined curative effect the features such as, it has also become hemorrhage of digestive tract non-operative treatment is most effective, most have clinical practice
The method of value.However, when hemorrhage of digestive tract or larger postoperative wound area, often to use multiple hemostatic clamp joint nylon
Rope is sutured, and this not only extends operating time, adds operating difficulty, and adds operation cost, gives patient's increase
Pain.
Patent No. CN201410203897.8 patent document discloses " a kind of medical sutures clip ", is related to one kind and sets
The medical sutures clip in intervention operating equipment end is put, the clip is discharged using bracing wire, it is impossible to suitable for the seam of larger wound
Close, and clamping is not firm enough, positions not accurate enough.
The patent document of the patent No. 201620374059.1 discloses " a kind of hemostatic clamp for coordinating endoscope to use ", is related to
A kind of by setting two occlusions being symmetrically pivotally connected to press from both sides, occlusal surface is rake, is enclosed on hook to fix by rubber band, structure
Complexity, clamping, release inconvenient operation.
The content of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide it is a kind of coordinate the closing clamp that uses of scope and its
Method for releasing, can the disposable larger wound of rapid suture, structure is reliable, and release is convenient, and firm grip is accurate.
To achieve the above object, present invention employs following technical scheme：
A kind of closing clamp, it is characterised in that including at least three occlusion pin pawls being centrosymmetric, the occlusion pin pawl bag
Needle point (11), needle body (13) and afterbody (14) are included, the afterbody (14) of two adjacent occlusion pin pawls passes through one section of arc spring (15)
Connection, each section of arc spring (15) head and the tail connection forms annular, and during free state, the needle point (11) of each occlusion pin pawl is directed to this
Annular central point, but each occlusion pin pawl needle point (11) do not contact.
Preferably, the both sides protrusion of the needle body (13) is provided with flat gear (12).The flat stopper of occlusion pin is allocated as being used in
In the depth for limiting needle point insertion tissue, prevent from causing too deep tissue perforation.
Preferably, the arc spring (15) is in circular arc.
Preferably, the arc spring (15) is recessed to annular center side.So arc spring has preferably elasticity recovery
Ability.
Preferably, the closing clamp includes the six occlusion pin pawls and six sections of arc springs (15) being centrosymmetric.
Preferably, the occlusion pin pawl and arc spring (15) are by the integrally manufactured shaping of sheet memory metal material.Using
Memory metal material, such closing clamp, which can have, preferably recovers shape capability, it is ensured that firm grip.
A kind of method for releasing of closing clamp, it is characterised in that including closing clamp as described above (8), and the closing clamp
(8) release device；The release device include inner sleeve (6), outer sleeve (7), outer sheath (4), drawstring (5), handle (3) and its
Sliding part (2), inner sleeve (6) is fixed on the distal end of outer sheath (4), the near-end connection handle (3) of outer sheath (4), outer sleeve (7)
Be set on inner sleeve (6) and can slide back and forth, outer sleeve (7) is connected with the distal end of drawstring (5), the near-end of drawstring (5) with
Sliding part (2) is connected, and the gap for accommodating closing clamp (8) is left between inner sleeve (6) and outer sleeve (7)；In closing clamp (8)
Before release, the needle point (11) for being engaged pin pawl is in separated position forward, is engaged the afterbody (14) and arc spring (15) of pin pawl rear, sticks up
Bent closing clamp (8) cylindrical in shape is set on inner sleeve (6), outer sleeve (7) covering to the needle point (11) for being engaged pin pawl；In suture
When pressing from both sides (8) release, outer sleeve (7) is moved rearwardly under the drive of drawstring (5) exposes closing clamp (8), and closing clamp (8) is in arc
Annular slice structure is reverted under the elastic restoring force effect of spring (15), the needle point (11) of each occlusion pin pawl is directed to annular
Central point is in rounding state, forms clamp structure.
Preferably, being that transparent material is made between the inner sleeve (6) and outer sleeve (7).
Preferably, outer sleeve (7) is provided with the promotion that warpage closing clamp cylindrical in shape (8) can be promoted to move forward
Portion.
Preferably, the inner sleeve (6) is set on endoscope head end (9).Release device can be covered by being interference fitted
In endoscope head end, or one elastic tape increase of increase is in the enclasping force of endoscope head end periphery.
Technical scheme of the present invention as a result of more than, needle point gos deep into tissue, actively captures surface of a wound surrounding tissue, closes
The wound of larger area, folder is tilted after closing without tail end, and other operation techniques are not influenceed；Being capable of the disposable larger wound of rapid suture
Mouthful, structure is reliable, and release is convenient, and firm grip is accurate.
Brief description of the drawings
Fig. 1 is the structural representation of release device of the present invention；
Fig. 2 is the structural representation of closing clamp embodiment one of the present invention；
Fig. 3 is the structural representation of closing clamp embodiment two of the present invention；
Fig. 4 is the structural representation of closing clamp embodiment three of the present invention；
Fig. 5 is the structural representation of closing clamp of the present invention (before release, warpage is cylindrical in shape)；
Fig. 6 is the release process schematic of closing clamp of the present invention (before release, warpage is cylindrical in shape)；
Fig. 7 is the release process schematic of closing clamp of the present invention (after release, clamp position).
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the member with same or like function
Part.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the present invention, and can not manage
Solve as limitation of the present invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " clockwise ", " inverse
The orientation or position relationship of the instructions such as hour hands " are, based on orientation shown in the drawings or position relationship, to be for only for ease of description originally
Invention and simplified description, rather than instruction or the signified device of hint or element must be with specific orientation, with specific square
Position construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple " are meant that two
Individual or two or more, unless otherwise clear and definite restriction.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
" preceding " of the present invention refers to the distal direction (during operation in human body) of outer sheath, and " rear " refers to outer sheath
Proximal direction (in human external during operation, Handleset).
A kind of closing clamp as shown in Figure 2 to Figure 3, including at least three occlusion pin pawls being centrosymmetric, the occlusion
Pin pawl includes needle point 11, needle body 13 and afterbody 14, and the afterbody 14 of two adjacent occlusion pin pawls is connected by one section of arc spring 15,
Each section of arc spring 15 connects formation annular from beginning to end, during free state, and the needle point 11 of each occlusion pin pawl is directed in the annular
Heart point, but each occlusion pin pawl needle point 11 do not contact.
In the present embodiment, the both sides protrusion of the needle body 13 is provided with flat gear 12；The flat stopper point of pin is engaged, it is acted on
In the depth for limiting needle point insertion tissue, prevent from causing too deep tissue perforation.The arc spring 15 is in circular arc.The arc
Spring 15 is recessed to annular center side.This closing clamp is memory metal material, can be three-jaw and the multijaw circular symmetric knot of the above
Structure, can be three-jaw structure as shown in Figure 3, can also be four paws structure as shown in Figure 4, present case preferably as shown in Figure 2 six
Pawl structure, the i.e. closing clamp include the six occlusion pin pawls and six sections of arc springs 15 being centrosymmetric.The occlusion pin pawl and arc
Shape spring 15 is by the integrally manufactured shaping of sheet memory metal material.
A kind of release device of closing clamp as shown in Figure 1 includes inner sleeve 6, outer sleeve 7, outer sheath 4, drawstring 5, handle
3 and its sliding part 2, thumb rings 1, inner sleeve 6 is fixed on the distal end of outer sheath 4, the near-end connection handle 3 of outer sheath 4, outer sleeve
7 are set on inner sleeve 6 and can slide back and forth, and outer sleeve 7 is connected with the distal end of drawstring 5, near-end and the sliding part 2 of drawstring 5
Connection, leaves the gap for accommodating closing clamp 8 between inner sleeve 6 and outer sleeve 7.
A kind of method for releasing of closing clamp, including closing clamp as described above 8 and release device；As shown in Figure 5, Fig. 6 institutes
Show, before the release of closing clamp 8, the needle point 11 for being engaged pin pawl is in separated position forward, is engaged the afterbody 14 and arc spring 15 of pin pawl
Rear, warpage closing clamp 8 cylindrical in shape is set on inner sleeve 6, the covering of outer sleeve 7 to the needle point 11 for being engaged pin pawl；In suture
When folder 8 discharges, outer sleeve 7 is moved rearwardly under the drive of drawstring 5 exposes closing clamp 8, as shown in fig. 7, closing clamp 8 is in arc
Annular slice structure is reverted under the elastic restoring force effect of spring 15, the needle point 11 of each occlusion pin pawl is directed to the center of annular
Point is in rounding state, forms clamp structure.
It is that transparent material is made between the inner sleeve 6 and outer sleeve 7 in the present embodiment.Outer sleeve 7 is provided with can
The pushing part for promoting warpage closing clamp 8 cylindrical in shape to move forward, is so easily installed and moves closing clamp release.The inner sleeve
Cylinder 6 is set on endoscope head end 9, and such release device can be enclosed on endoscope head end, or increase by one by interference fit
Elastic tape increases the enclasping force in endoscope head end periphery.
In the present embodiment, release device is that Double-layered transparent ring (transparent inside and outside sleeve) and drawstring are constituted, before release, suture
Double-layered quilt is flat to be sandwiched between two layers of transparent ring of one fixed width, after the reach of the transparent ring of internal layer, or the transparent ring of outer layer
Move, two layers of transparent ring dislocation makes closing clamp lose constraint, using the memory performance of closing clamp, be returned to the shape before clamping,
Reach the purpose of release clamping.
The closing clamp of the present invention, includes the circularly symmetric occlusion pin pawl of centering of three and the above, the occlusion pin pawl point
For needle point, flat gear, needle body, afterbody, the afterbody of each occlusion pin pawl is connected by one section of circular arc spring.During free state, each needle point
The central point of ring is directed to, the needle point of each pin pawl is not contacted.When closing clamp is loaded into release, at the needle point for being engaged pin pawl
In separated position, circular arc spring section surround and presses the transparent ring of internal layer, after release, circular arc spring section release elastic force, needle point insertion group
Knit, draw the purpose for reaching and surrounding and suturing in central point.
The release device of the present invention is by the transparent ring of internal layer, the transparent ring of outer layer, elastic tape, drawstring, outer sheath, handle, slip
Handle, thumb rings etc. are constituted, and are moved after sliding handle, are pulled and are moved after the transparent ring of outer layer by drawstring, discharge closing clamp.
The needle point of the closing clamp of the present invention gos deep into tissue, actively captures surface of a wound surrounding tissue, closes the wound of larger area；
Folder is tilted after closing without tail end, and other operation techniques are not influenceed；
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.It is all the present invention
Within spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of closing clamp, it is characterised in that including at least three occlusion pin pawls being centrosymmetric, the occlusion pin pawl includes
Needle point (11), needle body (13) and afterbody (14), the afterbody (14) of two adjacent occlusion pin pawls are connected by one section of arc spring (15)
Connect, each section of arc spring (15) head and the tail connection forms annular, and during free state, the needle point (11) of each occlusion pin pawl is directed to the ring
The central point of shape, but each occlusion pin pawl needle point (11) do not contact.
2. a kind of closing clamp according to claim 1, it is characterised in that the both sides protrusion of the needle body (13) is provided with flat
Keep off (12).
3. a kind of closing clamp according to claim 1, it is characterised in that the arc spring (15) is in circular arc.
4. a kind of closing clamp according to claim 1, it is characterised in that the arc spring (15) is recessed to annular center side
Fall into.
5. a kind of closing clamp according to claim 1, it is characterised in that the closing clamp include six be centrosymmetric sting
Close pin pawl and six sections of arc springs (15).
6. a kind of closing clamp according to claim 1, it is characterised in that the occlusion pin pawl and arc spring (15) are by sheet
The integrally manufactured shaping of memory metal material.
7. a kind of method for releasing of closing clamp, it is characterised in that including the closing clamp as any one of claim 1 to 6
(8), and the closing clamp (8) release device；The release device includes inner sleeve (6), outer sleeve (7), outer sheath (4), drawing
Rope (5), handle (3) and its sliding part (2), inner sleeve (6) are fixed on the distal end of outer sheath (4), the near-end connection of outer sheath (4)
Handle (3), outer sleeve (7) is set on inner sleeve (6) and can slid back and forth, and the distal end of outer sleeve (7) and drawstring (5) connects
Connect, the near-end of drawstring (5) is connected with sliding part (2), left between inner sleeve (6) and outer sleeve (7) for accommodating closing clamp (8)
Gap；Before closing clamp (8) release, the needle point (11) for being engaged pin pawl is in separated position forward, is engaged the afterbody (14) of pin pawl
With arc spring (15) rear, warpage closing clamp cylindrical in shape (8) is set on inner sleeve (6), outer sleeve (7) covering to occlusion pin
The needle point (11) of pawl；When closing clamp (8) discharges, outer sleeve (7) is moved rearwardly under the drive of drawstring (5) exposes closing clamp
(8), closing clamp (8) reverts to annular slice structure under the elastic restoring force effect of arc spring (15), each occlusion pin pawl
The central point that needle point (11) is directed to annular is in rounding state, forms clamp structure.
8. the method for releasing of a kind of closing clamp according to claim 7, it is characterised in that the inner sleeve (6) and overcoat
It is that transparent material is made between cylinder (7).
9. the method for releasing of a kind of closing clamp according to claim 7, it is characterised in that outer sleeve (7) is provided with can
The pushing part for promoting warpage closing clamp (8) cylindrical in shape to move forward.
10. the method for releasing of a kind of closing clamp according to claim 7, it is characterised in that the inner sleeve (6) is set in
On endoscope head end (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710536200.2A CN107137119A (en) | 2017-07-04 | 2017-07-04 | A kind of closing clamp and its method for releasing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710536200.2A CN107137119A (en) | 2017-07-04 | 2017-07-04 | A kind of closing clamp and its method for releasing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107137119A true CN107137119A (en) | 2017-09-08 |
Family
ID=59785446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710536200.2A Withdrawn CN107137119A (en) | 2017-07-04 | 2017-07-04 | A kind of closing clamp and its method for releasing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107137119A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577917A (en) * | 2018-05-17 | 2018-09-28 | 南京微创医学科技股份有限公司 | The self-service anastomosis clamp of alimentary canal and its release device |
| CN110859651A (en) * | 2019-09-18 | 2020-03-06 | 希罗镜下医疗科技发展(上海)有限公司 | Detachable anastomosis clamp |
| CN111803152A (en) * | 2020-07-14 | 2020-10-23 | 无锡市第九人民医院 | Surgical annular minimally invasive retractor |
| WO2021185282A1 (en) * | 2020-03-17 | 2021-09-23 | 江苏唯德康医疗科技有限公司 | Anastomosis clip and anastomosis set comprising the anastomosis clip |
| WO2022017388A1 (en) * | 2020-07-20 | 2022-01-27 | 江苏唯德康医疗科技有限公司 | Anastomosis clip |
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| US20070225762A1 (en) * | 2006-03-25 | 2007-09-27 | Sandbox Llc | Self closing tissue fastener |
| CN103533900A (en) * | 2011-03-31 | 2014-01-22 | 佛尔蒙特·伊夫斯 | Force modulating tissue bridge |
| CN204581383U (en) * | 2015-03-20 | 2015-08-26 | 王晓东 | Medical memory alloy circular closure |
| CN105902290A (en) * | 2015-12-22 | 2016-08-31 | 杨西群 | Titanium nickel-based shape memory alloy tissue closing clip |
| CN105982713A (en) * | 2015-02-09 | 2016-10-05 | 黎呍 | Artery interventional wound closure device |
| CN207755322U (en) * | 2017-07-04 | 2018-08-24 | 安瑞医疗器械(杭州)有限公司 | A kind of release device of closing clamp |
| CN207755321U (en) * | 2017-07-04 | 2018-08-24 | 安瑞医疗器械(杭州)有限公司 | A kind of closing clamp |
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2017
- 2017-07-04 CN CN201710536200.2A patent/CN107137119A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070225762A1 (en) * | 2006-03-25 | 2007-09-27 | Sandbox Llc | Self closing tissue fastener |
| CN103533900A (en) * | 2011-03-31 | 2014-01-22 | 佛尔蒙特·伊夫斯 | Force modulating tissue bridge |
| CN105982713A (en) * | 2015-02-09 | 2016-10-05 | 黎呍 | Artery interventional wound closure device |
| CN204581383U (en) * | 2015-03-20 | 2015-08-26 | 王晓东 | Medical memory alloy circular closure |
| CN105902290A (en) * | 2015-12-22 | 2016-08-31 | 杨西群 | Titanium nickel-based shape memory alloy tissue closing clip |
| CN207755322U (en) * | 2017-07-04 | 2018-08-24 | 安瑞医疗器械(杭州)有限公司 | A kind of release device of closing clamp |
| CN207755321U (en) * | 2017-07-04 | 2018-08-24 | 安瑞医疗器械(杭州)有限公司 | A kind of closing clamp |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577917A (en) * | 2018-05-17 | 2018-09-28 | 南京微创医学科技股份有限公司 | The self-service anastomosis clamp of alimentary canal and its release device |
| CN110859651A (en) * | 2019-09-18 | 2020-03-06 | 希罗镜下医疗科技发展(上海)有限公司 | Detachable anastomosis clamp |
| WO2021185282A1 (en) * | 2020-03-17 | 2021-09-23 | 江苏唯德康医疗科技有限公司 | Anastomosis clip and anastomosis set comprising the anastomosis clip |
| CN111803152A (en) * | 2020-07-14 | 2020-10-23 | 无锡市第九人民医院 | Surgical annular minimally invasive retractor |
| CN111803152B (en) * | 2020-07-14 | 2022-09-23 | 无锡市第九人民医院 | Surgical annular minimally invasive retractor |
| WO2022017388A1 (en) * | 2020-07-20 | 2022-01-27 | 江苏唯德康医疗科技有限公司 | Anastomosis clip |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170908 |
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