CN108542457A - A kind of stapler - Google Patents
A kind of stapler Download PDFInfo
- Publication number
- CN108542457A CN108542457A CN201810269313.5A CN201810269313A CN108542457A CN 108542457 A CN108542457 A CN 108542457A CN 201810269313 A CN201810269313 A CN 201810269313A CN 108542457 A CN108542457 A CN 108542457A
- Authority
- CN
- China
- Prior art keywords
- nail
- boss
- mentioned
- slot
- stapler
- 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.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 7
- 230000003872 anastomosis Effects 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 13
- 230000000451 tissue damage Effects 0.000 abstract 1
- 231100000827 tissue damage Toxicity 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000008520 organization Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/326—Circumcision apparatus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
Landscapes
- 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)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The present invention provides a kind of staplers, including resist-nailed seat, nail bin, nail kit pedestal, cutter, cutter pin and locating piece, above-mentioned nail kit pedestal is U-type groove structure, above-mentioned nail bin has multiple nail slots, and suturing nail is placed in above-mentioned nail slot, has boss on the surface of above-mentioned nail slot one end, the outer profile of above-mentioned boss is arc, the Internal periphery of above-mentioned boss is perpendicular to the upper surface of above-mentioned nail bin, and the centre of the Internal periphery of above-mentioned boss is semicylindrical opening, and the both sides of above-mentioned semicylindrical opening are trapezoid groove structure.Stapler provided by the invention is capable of providing to organizing stronger chucking power, maximum to reduce the outer sliding amount of tissue, suturing nail is enable more to can smoothly enter into resist-nailed seat nail slot, and do not shift dislocation, ensures that suturing nail molding is good and small to tissue damage.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of stapler.
Background technology
Hysteroscope Endo-GIA is used in hysteroscope and open surgery, is carried out detachment to tissue using suturing nail or is coincide, replaces
For manual suture.In existing technology, stapler is clamped by forming fixed forming gap between nail bin and resist-nailed seat
Tissue, by intermediate tissue compression to certain thickness, is completed at the same time release, the molding of suturing nail by driving cutter to advance
And the cut-out of tissue.It is in place of the deficiencies in the prior art, stapler is inadequate to the chucking power of tissue.It was sutured in stapler
Cheng Zhong, tissue compression generation cause group to be woven with larger with the tension of both sides since stapler is inadequate to the chucking power of tissue forward
Outer cunning organize outer sliding amount to further increase especially when being molded thick tissue；Also, tissue compression is synchronous with suturing nail molding
It carries out, outer slide strips is organized to move suturing nail nail leg offset, serious conditions can cause suturing nail and nail slot dislocation, suturing nail is caused to be molded
It is bad.
Therefore need to be proposed a kind of stapler with stronger chucking power structure, at the time of molding, it can effectively limit tissue cunning
It moves, it is ensured that suturing nail molding is good.
Invention content
The present invention provides a kind of staplers, inadequate to the chucking power of tissue at least to solve stapler in the prior art,
Group is caused to be woven with the technical problem of larger outer cunning.
The present invention provides a kind of staplers, including resist-nailed seat, nail bin, nail kit pedestal, cutter, cutter pin and positioning
Block, above-mentioned nail kit pedestal are U-type groove structure, and above-mentioned nail bin has multiple nail slots, suturing nail, above-mentioned nail slot are placed in above-mentioned nail slot
There is boss, the outer profile of above-mentioned boss is arc, and the Internal periphery of above-mentioned boss is perpendicular to above-mentioned nail bin on the surface of one end
The centre of upper surface, the Internal periphery of above-mentioned boss is semicylindrical opening, and the both sides of above-mentioned semicylindrical opening are trapezoid groove structure.
Optionally, it under the nail kit jaw closed of above-mentioned stapler, is formed between above-mentioned resist-nailed seat and above-mentioned nail bin
Forming gap with 3 ° of negative angles.
Optionally, above-mentioned cutter constitute " work " word girder construction with above-mentioned cutter pin and above-mentioned locating piece.
Optionally, above-mentioned nail bin is embedded in above-mentioned nail kit pedestal, and the above-mentioned above-mentioned nail kit pedestal of U-type groove structural support is by above-mentioned
Component straight down that nail bin is generated by tissue compression and it is indeformable.
Optionally, the outer profile of above-mentioned boss is half cone-shaped, and the Internal periphery of above-mentioned boss is the shape for wrapping up above-mentioned nail slot
Shape, above-mentioned boss are symmetric along the length of above-mentioned nail slot to center line.
Optionally, there is above-mentioned boss on the surface of the above-mentioned nail slot other end.
Optionally, the radian of the above-mentioned boss on the surface at above-mentioned nail slot both ends is in bracket shape, adjacent above-mentioned nail rooved face
On above-mentioned boss be linked to be arc wave boss.
Optionally, the interval between the above-mentioned boss in above-mentioned arc wave boss is equal.
Optionally, the diameter of above-mentioned semicylindrical opening is greater than or equal to the diameter of the nail leg of above-mentioned suturing nail, above-mentioned boss
Height is 0.2 millimeter to 1.5 millimeters.
Above-mentioned stapler is tube type anastomat, linear cutting anastomat, hysteroscope Endo-GIA, arc anastomosis device, straight line
Type stapler, anastomat for circumcision or skin stapler.
Stapler provided by the invention, which is capable of providing, gives tissue stronger chucking power, and maximum reduces the outer sliding amount of tissue, makes
Suturing nail can more can smoothly enter into resist-nailed seat nail slot, and do not shift dislocation, ensure that suturing nail molding is good.
Description of the drawings
Fig. 1 is a kind of partial internal structure schematic diagram for optional stapler that the embodiment of the present invention 1 provides；
Fig. 2 is that a kind of optional nail bin that the embodiment of the present invention 1 provides is embedded in the schematic diagram in nail kit pedestal；
Fig. 3 provides a kind of optional comprising solid signal raised on a nail slot and nail slot for the embodiment of the present invention 1
Figure；
Fig. 4 is a kind of partial schematic diagram for optional nail bin that the embodiment of the present invention 1 provides；
Fig. 5 is the partial schematic diagram for the optional nail bin of another kind that the embodiment of the present invention 1 provides；
What Fig. 6 was that the embodiment of the present invention 1 provides a kind of optional comprising a nail slot and follows closely vertical view signal raised on slot
Figure；
It is vertical that Fig. 7 generates nail kit pedestal by tissue compression for a kind of optional nail bin that the embodiment of the present invention 1 provides
The schematic diagram of downward component；
Fig. 8 is that a kind of optional cutter that the embodiment of the present invention 1 provides constitute " work " with cutter pin and locating piece
The schematic diagram of word girder construction；
Fig. 9 is the schematic diagram that a kind of optional suturing nail that the embodiment of the present invention 1 provides is pushed out nail bin upper surface.
Specific implementation mode is only that the present invention is a kind of for further illustrating but being not limited to the present invention, following example below
It is preferably carried out mode.
Specific implementation mode
Embodiment 1：
An embodiment of the present invention provides a kind of staplers, as shown in Figure 1, including resist-nailed seat 1, nail bin 2, nail kit pedestal 3, cutting
Cutter 4, cutter pin 5 and locating piece 6, as shown in Fig. 2, above-mentioned nail kit pedestal 3 is U-type groove structure, as shown in Figures 3 and 4, on
Stating nail bin 2 has multiple nail slots 22, suturing nail 7 is placed in above-mentioned nail slot 22, as shown in figure 5, the surface of above-mentioned 22 one end of nail slot
Upper have a boss 21, and the outer profile of above-mentioned boss 21 is arc, the upper table of the Internal periphery of above-mentioned boss 21 perpendicular to above-mentioned nail bin 2
Face, as shown in fig. 6, the centre of the Internal periphery of above-mentioned boss 21 is semicylindrical opening 211, the both sides of above-mentioned semicylindrical opening 211 are ladder
Shape slot structure.Above-mentioned nail kit pedestal 3 is U-type groove structure, can effectively bear above-mentioned nail bin 2 by tissue compression to above-mentioned nail kit bottom
Component straight down that seat 3 generates and it is indeformable, which makes to coincide as shown in fig. 7, improve the rigidity of instrument
It is more stable that tissue is clamped in device.The outer profile of above-mentioned boss 21 is cone, and Internal periphery is the cylindrical hole perpendicular to nail bin upper surface,
The nail hole profile of fully wrapped around nail bin, half-conical boss can effectively increase the chucking power to tissue, reduce and slided outside tissue, simultaneously
It play the guiding role to suturing nail molding, ensures that suturing nail molding is good.
Optionally, under the nail kit jaw closed of above-mentioned stapler, as shown in Figure 1, above-mentioned resist-nailed seat 1 and above-mentioned nail
The forming gap with 3 ° of negative angles is formed between storehouse 2.Stapler loads nail kit, nail kit jaw is closed, in resist-nailed seat 1 and nail bin 2
Between formed with 3 ° of negative angles forming gap, to organize precommpression, resist-nailed seat design 3 ° of negative angles, reduce resist-nailed seat front end with nail
The closed-gap in storehouse increases to organizing precompressed.
Optionally, as shown in figure 8, above-mentioned cutter 4 constitute " work " word with above-mentioned cutter pin 5 and above-mentioned locating piece 6
Girder construction.Cutter " work " word girder construction：First compression organization, rear suturing nail molding, tissue outer sliding opposite joint when reducing compression organization
The molding influence of dowel；Cutter 4 are driven to advance, cutter " work " word girder construction is first closed above-mentioned resist-nailed seat 1 and above-mentioned nail bin
2, form fixed forming gap and carry out compression organization, after above-mentioned suturing nail 7 is released out of above-mentioned nail bin 2 above-mentioned nail slot 22 into
Enter the percussion molding of above-mentioned resist-nailed seat 1, i.e., first compression organization, rear above-mentioned suturing nail 7 is molded.
Optionally, as shown in Fig. 2, above-mentioned nail bin 2 is embedded in above-mentioned nail kit pedestal 3, the above-mentioned above-mentioned nail of U-type groove structural support
Casket pedestal 3 is indeformable by the component straight down that above-mentioned nail bin 2 is generated by tissue compression.
Optionally, as shown in fig. 6, the outer profile of above-mentioned boss 21 is half cone-shaped, the Internal periphery of above-mentioned boss 21 is packet
The shape for stating nail slot 22 is wrapped, above-mentioned boss 21 is symmetric along the length of above-mentioned nail slot 22 to center line 221.
Optionally, as shown in figure 4, having above-mentioned boss 21 on the surface of above-mentioned 22 other end of nail slot.On as shown in figure 9,
It states 7 initial position of suturing nail and is located at 2 upper surface of above-mentioned nail bin hereinafter, when being molded, above-mentioned suturing nail 7 is pushed out on above-mentioned nail bin 2
Surface.The above-mentioned boss 21 of 2 upper surface of above-mentioned nail bin can play above-mentioned suturing nail 7 good guiding role, ensure above-mentioned
Suturing nail 7 more can smoothly enter into the nail slot of above-mentioned resist-nailed seat 1.
Optionally, as shown in figure 4, the radian of the above-mentioned boss 21 on the surface at above-mentioned 22 both ends of nail slot is in bracket shape, phase
Above-mentioned boss 21 on adjacent above-mentioned 22 surface of nail slot is linked to be arc wave boss.The grasping force of arc wave boss is stronger.
Optionally, as shown in figure 4, the interval between above-mentioned boss 21 in above-mentioned arc wave boss is equal.
Optionally, as shown in fig. 6, the diameter of above-mentioned semicylindrical opening 211 is greater than or equal to the straight of the nail leg of above-mentioned suturing nail 7
The height of diameter, above-mentioned boss 21 is 0.2 millimeter of mm to 1.5 millimeters of mm.
Optionally, above-mentioned stapler is tube type anastomat, linear cutting anastomat, hysteroscope Endo-GIA, arc anastomosis
Device, linear anastomat, anastomat for circumcision or skin stapler.
Operation principle is as follows：
The first step, stapler load nail kit, are closed nail kit jaw, and being formed between above-mentioned resist-nailed seat 1 and above-mentioned nail bin 2 has
The forming gap of 3 ° of negative angles carries out precommpression to intermediate structure；
Second step, cocking driving trigger shaft do arrowhead movement, the driving force of arrowhead are provided for above-mentioned cutter 4, is cut
Cutter " work " word girder construction is first closed above-mentioned resist-nailed seat 1 and above-mentioned nail bin 2, rear that ejector pin sliding block is pushed to advance, ejector pin sliding block with push away
Device inclined-plane sliding fit is followed closely, forward thrust is converted into the upward thrust of nail pushing device, nail pushing device is by the above-mentioned suture in above-mentioned nail bin 2
Nail 7 is released, and above-mentioned suturing nail 7 enters " B " word molding in the nail slot of above-mentioned resist-nailed seat 1, being located at above-mentioned nail bin 2 and above-mentioned support is followed closely
Tissue suture between seat 1.
Stapler provided in an embodiment of the present invention, which is capable of providing, gives tissue stronger chucking power, and maximum reduces the outer cunning of tissue
Amount enables suturing nail more can smoothly enter into resist-nailed seat nail slot, and do not shift dislocation, ensures that suturing nail molding is good.
Claims (10)
1. a kind of stapler, including resist-nailed seat (1), nail bin (2), nail kit pedestal (3), cutter (4), cutter pin (5) and fixed
Position block (6), it is characterised in that：The nail kit pedestal (3) is U-type groove structure, and the nail bin (2) has multiple nail slots (22), institute
It states and places suturing nail (7) in nail slot (22), there is boss (21) on the surface of described nail slot (22) one end, the boss (21)
Outer profile is arc, and the Internal periphery of the boss (21) is perpendicular to the upper surface of the nail bin (2), the lubrication groove of the boss (21)
Wide centre is semicylindrical opening (211), and the both sides of the semicylindrical opening (211) are trapezoid groove structure.
2. stapler according to claim 1, it is characterised in that：Under the nail kit jaw closed of the stapler,
The forming gap with 3 ° of negative angles is formed between the resist-nailed seat (1) and the nail bin (2).
3. stapler according to claim 1, it is characterised in that：The cutter (4) and the cutter pin (5) and
The locating piece (6) constitutes " work " word girder construction.
4. stapler according to claim 1, it is characterised in that：In the embedded nail kit pedestal (3) of the nail bin (2),
The component straight down that nail kit pedestal (3) is generated by the nail bin (2) by tissue compression described in the U-type groove structural support
And it is indeformable.
5. stapler according to claim 1, it is characterised in that：The outer profile of the boss (21) is half cone-shaped, institute
The Internal periphery for stating boss (21) is the shape of the package nail slot (22), and the boss (21) is along the length for following closely slot (22) in
Heart line (221) is symmetric.
6. stapler according to claim 1, it is characterised in that：Have on the surface of described nail slot (22) other end described
Boss (21).
7. stapler according to claim 6, it is characterised in that：The boss on the surface at described nail slot (22) both ends
(21) radian is in bracket shape, and the boss (21) on adjacent described nail slot (22) surface is linked to be arc wave boss.
8. stapler according to claim 7, it is characterised in that：The boss (21) in the arc wave boss it
Between interval it is equal.
9. stapler according to claim 1, it is characterised in that：The diameter of the semicylindrical opening (211) is greater than or equal to
The height of the diameter of the nail leg of the suturing nail (7), the boss (21) is 0.2 millimeter (mm) to 1.5 millimeters (mm).
10. stapler according to any one of claims 1 to 9, it is characterised in that：The stapler is tube type anastomat, directly
Wire cutting stapler, hysteroscope Endo-GIA, arc anastomosis device, linear anastomat, anastomat for circumcision or skin coincide
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269313.5A CN108542457A (en) | 2018-03-29 | 2018-03-29 | A kind of stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269313.5A CN108542457A (en) | 2018-03-29 | 2018-03-29 | A kind of stapler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108542457A true CN108542457A (en) | 2018-09-18 |
Family
ID=63517260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810269313.5A Pending CN108542457A (en) | 2018-03-29 | 2018-03-29 | A kind of stapler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108542457A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111195142A (en) * | 2020-02-25 | 2020-05-26 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | Prevent nail storehouse subassembly and anastomat that tissue slided |
| CN112617930A (en) * | 2020-12-07 | 2021-04-09 | 苏州贝诺医疗器械有限公司 | Nail box of linear cutting anastomat |
| CN112914653A (en) * | 2021-03-29 | 2021-06-08 | 常州安康医疗器械有限公司 | Nail bin assembly of endoscope anastomat |
| CN113180763A (en) * | 2021-05-24 | 2021-07-30 | 苏州法兰克曼医疗器械有限公司 | Linear cutting anastomat with tissue clamping piece |
| CN114176691A (en) * | 2021-12-23 | 2022-03-15 | 宝玛医疗科技(无锡)有限公司 | Nail abutting seat and anastomat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7438209B1 (en) * | 2007-03-15 | 2008-10-21 | Ethicon Endo-Surgery, Inc. | Surgical stapling instruments having a releasable staple-forming pocket |
| CN106456161A (en) * | 2014-04-16 | 2017-02-22 | 伊西康内外科有限责任公司 | Surgical fastener cartridges with driver stabilizing arrangements |
| CN106419983A (en) * | 2015-12-22 | 2017-02-22 | 北京派尔特医疗科技股份有限公司 | Endoscope anastomat and staple cartridge assembly thereof |
| US20170367701A1 (en) * | 2016-06-27 | 2017-12-28 | Chul Hi Park | Surgical Stapler Instrument with Auxiliary Tissue Compression Means |
| CN209548033U (en) * | 2018-03-29 | 2019-10-29 | 盈甲医疗器械制造（上海）有限公司 | A kind of stapler |
-
2018
- 2018-03-29 CN CN201810269313.5A patent/CN108542457A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7438209B1 (en) * | 2007-03-15 | 2008-10-21 | Ethicon Endo-Surgery, Inc. | Surgical stapling instruments having a releasable staple-forming pocket |
| CN106456161A (en) * | 2014-04-16 | 2017-02-22 | 伊西康内外科有限责任公司 | Surgical fastener cartridges with driver stabilizing arrangements |
| CN106419983A (en) * | 2015-12-22 | 2017-02-22 | 北京派尔特医疗科技股份有限公司 | Endoscope anastomat and staple cartridge assembly thereof |
| US20170367701A1 (en) * | 2016-06-27 | 2017-12-28 | Chul Hi Park | Surgical Stapler Instrument with Auxiliary Tissue Compression Means |
| CN209548033U (en) * | 2018-03-29 | 2019-10-29 | 盈甲医疗器械制造（上海）有限公司 | A kind of stapler |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111195142A (en) * | 2020-02-25 | 2020-05-26 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | Prevent nail storehouse subassembly and anastomat that tissue slided |
| CN112617930A (en) * | 2020-12-07 | 2021-04-09 | 苏州贝诺医疗器械有限公司 | Nail box of linear cutting anastomat |
| CN112914653A (en) * | 2021-03-29 | 2021-06-08 | 常州安康医疗器械有限公司 | Nail bin assembly of endoscope anastomat |
| CN112914653B (en) * | 2021-03-29 | 2023-03-07 | 常州安康医疗器械有限公司 | Nail bin assembly of endoscope anastomat |
| CN113180763A (en) * | 2021-05-24 | 2021-07-30 | 苏州法兰克曼医疗器械有限公司 | Linear cutting anastomat with tissue clamping piece |
| CN113180763B (en) * | 2021-05-24 | 2022-04-12 | 苏州法兰克曼医疗器械有限公司 | Linear cutting anastomat with tissue clamping piece |
| CN114176691A (en) * | 2021-12-23 | 2022-03-15 | 宝玛医疗科技(无锡)有限公司 | Nail abutting seat and anastomat |
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