CN108421909A - A kind of squeeze riveter clamp and its riveting method for processing sewing needle - Google Patents
A kind of squeeze riveter clamp and its riveting method for processing sewing needle Download PDFInfo
- Publication number
- CN108421909A CN108421909A CN201810558222.3A CN201810558222A CN108421909A CN 108421909 A CN108421909 A CN 108421909A CN 201810558222 A CN201810558222 A CN 201810558222A CN 108421909 A CN108421909 A CN 108421909A
- Authority
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- China
- Prior art keywords
- suture
- lower die
- half slot
- upper mold
- main body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G1/00—Making needles used for performing operations
- B21G1/003—Needles for special purposes, e.g. knitting, crochet, hat-pins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Surgical Instruments (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to a kind of squeeze riveter clamps for processing sewing needle, and the green body of the sewing needle includes main body and suture, which includes：Upper mold with upper holder block is provided with half slot of upper mold in the upper mold front end face of the upper holder block, protrusion is provided in half slot of upper mold；Lower die with red needle and lower lock block is provided with half slot of lower die in the lower die front end face of the lower lock block, and the punching being provided through in half slot of lower die, red needle is slidably pierced by by the punching；Wherein, half slot of upper mold and half slot of lower die limit the accommodation space of main body, protrusion and red needle in the opposite both sides of suture and the effect of face suture.The present invention provides a kind of riveting method for processing sewing needle.Suture is pressed and is fixed in main body by the face suture effect protrusion and red needle of suture both sides by the present invention.
Description
Technical field
The present invention relates to the processing of sewing needle, relate more specifically to a kind of squeeze riveter clamp and its pressure for processing sewing needle
Rivetting method.
Background technology
Sewing needle is a kind of instrument for surgical operation suturing, and mostly stainless steel wire drills or slots in backshank and is made.
In order to which suture to be fixed on the stainless steel wire of sewing needle, bonded in the prior art by using glue.But point
Glue usually there will be the problem of glue quantity can not accurately control.If extra glue is sewn line absorption, will influence to suture
The flexibility of line sutures to patient and increases difficulty, while increasing patient's pain.In addition, also being mentioned in the prior art by suture
The mode being installed in two concatenated threading holes.But the difficulty of processing of the series of holes is very big, is generally difficult to realize, and
And do not fixed using two-wire in such a way that the string is worn, this to the routine operation suture for only needing single line to carry out with regard to increasing
Difficulty.
Invention content
In order to solve the problems, such as that above-mentioned suture of the existing technology can not be effectively fixed, the present invention is intended to provide one
Squeeze riveter clamp and its riveting method of the kind for processing sewing needle.
The present invention provides a kind of squeeze riveter clamp for processing sewing needle, and the green body of the sewing needle includes main body and suture
Line, the squeeze riveter clamp include：Upper mold with upper holder block is provided with half slot of upper mold, the upper mold in the upper mold front end face of the upper holder block
It is provided with protrusion in half slot；Lower die with red needle and lower lock block is provided with half slot of lower die in the lower die front end face of the lower lock block, should
The punching being provided through in half slot of lower die, red needle are slidably pierced by by the punching；Wherein, half slot of upper mold and half slot of lower die limit
The accommodation space of main body, protrusion and red needle are determined in the opposite both sides of suture and the effect of face suture.
Lower die includes fixed plate, guide pin, elastomer and pressing plate, wherein pressing plate is relatively fixed by guide pin and fixed plate, bullet
Property body is set between pressing plate and fixed plate, and lower lock block is fixed on the surface towards upper mold of pressing plate, and red needle is fixed on fixation
It across elastomer and pressing plate and is pierced by plate and from lower lock block.
Guide pin has thread segment, cylindrical section and stub end, wherein cylindrical section is between thread segment and stub end；It is fixed
Plate has a stepped hole, the cylindrical section of guide pin in the stepped hole slidably；Pressing plate has threaded hole, the thread segment and screw thread of guide pin
Hole fixation is tightened by screw thread.
There is the circular trough of recess, the end towards fixed plate of elastomer is held on the surface towards pressing plate of fixed plate
It is contained in the circular trough, the diameter of the circular trough is more than the outer diameter of elastomer.
The slit for accommodating suture that lower lock block has perpendicular to half slot of lower die and is recessed from lower die front end face.
The present invention provides a kind of riveting method for processing sewing needle, and the green body of the sewing needle includes main body and suture
Line, the riveting method include step：S1, fixed red needle and lower lock block；S2, by the lower die of upper mold half slot and lower lock block of upper holder block
Half slot parallel alignment；Main body is put into half slot of lower die by S3, suture after the circular hole of main body, drives upper holder block towards lower lock block
It is mobile, protrusion in half slot of upper mold suture a side contacts main body and so that its deformation is formed the first dent；S4 continues to drive
Upper holder block is moved towards lower lock block, and upper mold front end face is contacted with lower die front end face, and red needle is stretched out simultaneously from the punching of half slot of lower die
Its deformation is set to form the second dent in opposite another side contacts main body of suture.
Red needle is fixed in fixed plate, in red needle and it is made to be contained in the circular trough of fixed plate elastomer sleeve；
Lower lock block is fixed on pressing plate, pressing plate and fixed plate are linked together to complete the installation of lower die by guide pin.
After main body to be put into half slot of lower die, suture is pulled respectively with two hands after suture is contained in slit, is made
It obtains suture to be tightened up in slit, the axis of the circular hole of causative subject is parallel with the lower die front end face of lower lock block.
When first dent is consistent with the second dent, circular hole is deformed into gap to compress suture.
Suture is pressed by the face suture effect protrusion and red needle of suture both sides and is fixed on main body by the present invention
On.Dispensing in compared with the existing technology is fixed, the flexible influence invention not only avoids glue on suture, and
Fixing intensity temperature.It is fixed that string in compared with the existing technology fastens, and the present invention need not only use two-wire, but also difficulty of processing
It is low, it is cost-effective.
Description of the drawings
Fig. 1 is the general structure schematic diagram according to the present invention for processing the squeeze riveter clamp of sewing needle；
Fig. 2 shows the green bodies of the sewing needle before processing；
Fig. 3 is the enlarged drawing of the upper mold of Fig. 1；
Fig. 4 is the enlarged drawing of the lower lock block of Fig. 1；
Fig. 5 shows the green body being set on lower lock block；
Fig. 6 shows the sewing needle after processing.
Specific implementation mode
Below in conjunction with the accompanying drawings, presently preferred embodiments of the present invention is provided, and is described in detail.
A kind of squeeze riveter clamp 2 for processing sewing needle is provided according to an aspect of the present invention, as shown in Figure 1.Fig. 2 shows
The green body 1 ' of sewing needle before processing comprising main body 11 ' and suture 12 ', main body 11 ' are equipped with tip 111 ', are used for
Puncture is sutured.The intermediate position of main body 11 ' is provided with circular hole 112 ', and suture 12 ' extends across the circular hole 112 '.Press folder
Tool 2 is for suture 12 ' to be fixed in the circular hole 112 '.Specifically, as shown in Figure 1, squeeze riveter clamp 2 include upper mold 21 and under
Mould 22 realizes the fixation that presses of suture 12 ' by the cooperation of the upper mold 21 and lower die 22.
Fig. 3 is the enlarged drawing of the upper mold of Fig. 1, wherein upper mold 21 has upper holder block 211, towards before the upper mold of lower die 22
Upper mold half slot corresponding with the appearance profile of main body 11 ' 2112 is provided in end face 2111.It is set in the upper mold half slot 2112
It is equipped with protrusion 2113, is used to squeeze main body 11 '.
Fig. 1 is returned to, lower die 22 includes fixed plate 221, guide pin 222, red needle 223, elastomer 224, pressing plate 225 and lower lock block
226, wherein pressing plate 225 is relatively fixed by guide pin 222 and fixed plate 221, and elastomer 224 is set to pressing plate 225 and fixed plate
Between 221, lower lock block 226 be fixed on pressing plate 225 towards on the surface of upper mold 21, red needle 223 is fixed in fixed plate 221
And may pass through elastomer 224 and pressing plate 225 and be pierced by from lower lock block 226, i.e. the surface that can be pierced by towards upper mold 21 of red needle 223
Be formed as the pressure interface for the main body 11 ' that presses.In the present embodiment, elastomer 224 is polyurethane PU elastomer, i.e., excellent
Power glue.Preferably, which is middle part slice of cylinder with holes.In the present embodiment, guide pin 222 have thread segment 2221,
Cylindrical section 2222 and stub end 2223, wherein cylindrical section 2222 is between thread segment 2221 and stub end 2223.
More specifically, fixed plate 221 is rectangular slab, stepped hole 2211 is both provided on four angles, guide pin 222 is inserted into should
Cooperation in stepped hole 2211, particularly, the diameter of the cylindrical section 2222 of guide pin 222 are less than the internal diameter of the stepped hole 2211 with can be
Sliding, the sliding distance is limited using the position of the stub end 2223 of the guide pin 222 in the stepped hole 2211.Fixed plate 221
Center there is square hole 2212, the rear end of separate the upper mold 21 of red needle 223 to be inserted into fixation in the square hole 2212.In addition, fixed plate
221 towards the circular trough 2213 on the surface of pressing plate 225 with recess, the end quilt towards fixed plate 221 of elastomer 224
It is contained in the circular trough 2213.It should be understood that the diameter of the circular trough 2213 is slightly larger than the outer diameter of elastomer 224, thus
There are gaps between the circumferential side wall and fixed plate 221 of elastomer 224, with the shape for elastomer 224 in the case where being crushed
Become and gap is provided.
Similarly, pressing plate 225 is rectangular slab, is arranged on angle there are four threaded hole 2251, guide pin 222 is inserted into the threaded hole
Cooperation in 2251, particularly, thread segment 2221 and the threaded hole 2251 of guide pin 222 tighten fixation by screw thread.In this way, elastomer
224 are pressed between pressing plate 225 and fixed plate 221 and in connection are integrated.
In the present embodiment, red needle 223 is quadrangular shape, and punch 2231 is formed with towards one end of upper mold 21,
For carrying out punching press to main body 11 '.
Fig. 4 is the enlarged drawing of the lower lock block of Fig. 1, wherein the center of lower lock block 216 has punching 2261, is used for for punching
Thus sliding is pierced by and acts on main body 11 ' needle 223 (especially punch 2231).The lower die towards upper mold 21 of lower lock block 216
Lower die half slot 2263 corresponding with the appearance profile of main body 11 ' is provided in front end face 2262, before the upper mold of upper holder block 211
The upper mold half slot 2112 of end face 2111 limits the space accommodated for main body 11 ' jointly.In addition, lower lock block 216 also has vertically
In the lower die half slot 2263 and from the slit 2264 of the recess of lower die front end face 2262, for accommodating suture 12 '.
A kind of method for processing sewing needle 1 using squeeze riveter clamp 2, including following step are provided according to another aspect of the present invention
Suddenly：
Red needle 223 is fixed in the square hole 2212 of fixed plate 221 by S1 referring to Fig. 1, and elastomer 224 is sleeved on red needle
On 223 and it is made to be contained in the circular trough of fixed plate 221 2213；Lower lock block 226 is fixed on pressing plate 225, guide pin is passed through
222 link together pressing plate 225 and fixed plate 221；To complete the installation of lower die 22；
S2, by the lower die half slot 2263 of the upper mold half slot 2112 (referring to Fig. 3) of upper mold 21 and lower die 22 (referring to Fig. 4)
Parallel alignment, it is ensured that the center of upper mold 21 and lower die 22 is aligned so that punch 2231 can vertically be gone out from lower die 22, referring to figure
1；
Suture 12 ' is passed through the circular hole 112 ' of main body 11 ', main body 11 ' is then put into lower die half slot 2263 by S3
In (referring to Fig. 4), suture 12 ' is pulled respectively with two hands after suture 12 ' is contained in slit 2264 (referring to Fig. 4), is made
It obtains suture 12 ' to be tightened up in slit 2264, before the axis of the circular hole 112 ' of causative subject 11 ' and the lower die of lower lock block 216
End face 2262 is parallel, as shown in figure 5, then driving upper mold 21 is moved towards lower die 22 so that 2113 (referring to Fig. 3) of protrusion are first
Main body 11 ' is contacted, impression is formed in main body 11 ' and the circular hole 112 ' in main body 11 ' is forced to be deformed into class semicircle orifice to compress
Suture 12 '；
S4 continues that upper mold 21 is driven to move towards lower die 22, upper mold front end face 2111 (referring to Fig. 3) and lower die front end face
2262 (referring to Fig. 4) are contacted and are given lower lock block 216 pressure, and elastomer 224, which is under pressure, to deform, at this point, seaming chuck 21,
Main body 11 ', lower lock block 226, pressing plate 225 and guide pin 222 move together, since fixed plate 211 remains stationary as and red needle 223 is fixed
It is long, therefore the punch 2231 of red needle 223 exposes from punching 2261 (referring to Fig. 4) in moving process, and pressure is formed in main body 11 '
Trace simultaneously forces the class semicircle orifice in main body 11 ' to be further deformed into gap to compress suture 12 '.When protrusion 2113 is in main body
For the impression formed on 11 ' with red needle 223 when the dent formed in main body 11 ' is consistent, circular hole is deformed into gap to compress suture
Line 12 ', press completion at this time.
Fig. 6 shows the sewing needle 1 after processing comprising needle body 11 and suture 12, suture 12 are pressed by threading
The mode of riveting is fixed on the intermediate position of needle body 11.The opposite both ends of needle body 11 are equipped with tip 111, are stitched for puncturing
It closes, due to having two tips 111, can continuously puncture suture in nasal cavity in use, when sewing needle is pierced by doctor from one end
When the other end pulls out, without direction is needed to change, it can directly be pierced into suture tissue again with the other end in nasal cavity, repeatedly,
It sutures end and pulls out suture knotting, to provide a kind of double end sewing needle that can realize two-way suture in small space.
There is gap 112, suture 12 to be fixed in the gap 112 by interference engagement at the intermediate position of needle body 11.Wherein, gap
112 length is between 1st/1 percentth to 80 of the length of needle body 11.The both sides in the gap 112 of needle body 11 have phase
To the first dent 113 and the second dent 114.Preferably, the first dent 113 and the second dent 114 are identical.First dent 113
With rectangular cross section, depth is between 1st/1st to five/10th of the diameter of needle body 11.Second dent 114 equally tool
There is rectangular cross section, depth is between 1st/1st to five/10th of the diameter of needle body 11.It should be understood that first dent
113 and second the cross section of dent 114 may be circle etc., by mold 2 protrusion 2113 and punch 2231 shape Lai
It determines.In the present embodiment, needle body 11 is linear type.It should be understood that the needle body 11 can also be selected as arc as needed.
In the present embodiment, the section at tip 111 is circle.It should be understood that according to the puncture force needs of suture site, tip 111 is cut
Face may be selected to be triangle, ellipse or positive shape changeable.
Above-described, only presently preferred embodiments of the present invention is not limited to the scope of the present invention, of the invention is upper
Stating embodiment can also make a variety of changes.Made by i.e. every claims applied according to the present invention and description
Simply, equivalent changes and modifications fall within the claims of patent of the present invention.The not detailed description of the present invention is
Routine techniques content.
Claims (9)
1. a kind of squeeze riveter clamp for processing sewing needle, the green body of the sewing needle includes main body and suture, which is characterized in that
The squeeze riveter clamp includes：
Upper mold with upper holder block is provided with half slot of upper mold in the upper mold front end face of the upper holder block, is provided in half slot of upper mold convex
It rises；
Lower die with red needle and lower lock block is provided with half slot of lower die in the lower die front end face of the lower lock block, is set in half slot of lower die
It is equipped with perforative punching, red needle is slidably pierced by by the punching；
Wherein, half slot of upper mold and half slot of lower die limit the accommodation space of main body, and protrusion and red needle are in the opposite both sides of suture
And face suture acts on.
2. squeeze riveter clamp according to claim 1, which is characterized in that lower die includes fixed plate, guide pin, elastomer and pressure
Plate, wherein pressing plate is relatively fixed by guide pin and fixed plate, and elastomer is set between pressing plate and fixed plate, and lower lock block is fixed
On the surface towards upper mold of pressing plate, red needle is fixed in fixed plate and passes through elastomer and pressing plate and is pierced by from lower lock block.
3. squeeze riveter clamp according to claim 2, which is characterized in that guide pin has thread segment, cylindrical section and stub end,
In, cylindrical section is between thread segment and stub end；There is fixed plate stepped hole, the cylindrical section of guide pin can be slided in the stepped hole
It is dynamic；There is pressing plate threaded hole, thread segment and the threaded hole of guide pin to tighten fixation by screw thread.
4. squeeze riveter clamp according to claim 2, which is characterized in that have recess on the surface towards pressing plate of fixed plate
Circular trough, the end towards fixed plate of elastomer is accommodated in the circular trough, and the diameter of the circular trough is more than elastomer
Outer diameter.
5. squeeze riveter clamp according to claim 1, which is characterized in that lower lock block has perpendicular to half slot of lower die and from lower die
The slit of the receiving suture of front end face recess.
6. a kind of riveting method for processing sewing needle, the green body of the sewing needle includes main body and suture, which is characterized in that
The riveting method includes step：
S1, fixed red needle and lower lock block；
S2, by the half slot parallel alignment of lower die of half slot of upper mold of upper holder block and lower lock block；
Main body is put into half slot of lower die by S3, suture after the circular hole of main body, and driving upper holder block is moved towards lower lock block, upper mold
In half slot protrusion suture a side contacts main body and make its deformation formed the first dent；
S4 continues that upper holder block is driven to move towards lower lock block, and upper mold front end face contacts with lower die front end face, and red needle is from half slot of lower die
Punching in stretch out and opposite another side contacts main body of suture make its deformation formed the second dent.
7. riveting method according to claim 6, which is characterized in that red needle is fixed in fixed plate, by elastomer sleeve
In red needle and it is made to be contained in the circular trough of fixed plate；Lower lock block is fixed on pressing plate, by guide pin by pressing plate and admittedly
Fixed board links together to complete the installation of lower die.
8. riveting method according to claim 6, which is characterized in that after main body to be put into half slot of lower die, by suture
Suture is pulled respectively with two hands after being contained in slit so that suture is tightened up in slit, the circular hole of causative subject
Axis is parallel with the lower die front end face of lower lock block.
9. riveting method according to claim 6, which is characterized in that when the first dent is consistent with the second dent, circular hole becomes
Shape is gap to compress suture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810558222.3A CN108421909B (en) | 2018-06-01 | 2018-06-01 | Pressure riveting clamp for processing suture needle and pressure riveting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810558222.3A CN108421909B (en) | 2018-06-01 | 2018-06-01 | Pressure riveting clamp for processing suture needle and pressure riveting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108421909A true CN108421909A (en) | 2018-08-21 |
| CN108421909B CN108421909B (en) | 2022-06-24 |
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ID=63164184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810558222.3A Active CN108421909B (en) | 2018-06-01 | 2018-06-01 | Pressure riveting clamp for processing suture needle and pressure riveting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108421909B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508729A (en) * | 2019-09-12 | 2019-11-29 | 李志永 | A kind of riveting mechanism of sewing needle, riveting device and its working method |
| EP4324406A1 (en) * | 2022-08-17 | 2024-02-21 | Suturion AB | Crimping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5836880A (en) * | 1976-05-28 | 1980-08-21 | American Cyanamid Company | Swaging dies for surgical needle |
| JPH04266748A (en) * | 1991-02-21 | 1992-09-22 | Nippon Shoji Kk | Suture with needle, caulking die for manufacturing it, and manufacture thereof |
| US6120527A (en) * | 1998-02-18 | 2000-09-19 | Ethicon, Inc. | Device for fixing a suture thread to a surgical needle |
| CN102649144A (en) * | 2012-04-16 | 2012-08-29 | 昆山富均嘉精密模具有限公司 | Punching-free riveting die |
| CN104939878A (en) * | 2015-06-04 | 2015-09-30 | 珠海拓爱医疗科技有限公司 | Connecting method for eyeless suture needle and suture line |
| CN208303687U (en) * | 2018-06-01 | 2019-01-01 | 浦易（上海）生物技术有限公司 | It is a kind of for processing the squeeze riveter clamp of sewing needle |
-
2018
- 2018-06-01 CN CN201810558222.3A patent/CN108421909B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5836880A (en) * | 1976-05-28 | 1980-08-21 | American Cyanamid Company | Swaging dies for surgical needle |
| JPH04266748A (en) * | 1991-02-21 | 1992-09-22 | Nippon Shoji Kk | Suture with needle, caulking die for manufacturing it, and manufacture thereof |
| US6120527A (en) * | 1998-02-18 | 2000-09-19 | Ethicon, Inc. | Device for fixing a suture thread to a surgical needle |
| CN102649144A (en) * | 2012-04-16 | 2012-08-29 | 昆山富均嘉精密模具有限公司 | Punching-free riveting die |
| CN104939878A (en) * | 2015-06-04 | 2015-09-30 | 珠海拓爱医疗科技有限公司 | Connecting method for eyeless suture needle and suture line |
| CN208303687U (en) * | 2018-06-01 | 2019-01-01 | 浦易（上海）生物技术有限公司 | It is a kind of for processing the squeeze riveter clamp of sewing needle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508729A (en) * | 2019-09-12 | 2019-11-29 | 李志永 | A kind of riveting mechanism of sewing needle, riveting device and its working method |
| CN110508729B (en) * | 2019-09-12 | 2024-05-17 | 李志永 | Riveting mechanism and riveting device of suture needle and working method of riveting mechanism and riveting device |
| EP4324406A1 (en) * | 2022-08-17 | 2024-02-21 | Suturion AB | Crimping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108421909B (en) | 2022-06-24 |
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