CN102217965B - Shearing device for vascular tissues - Google Patents
Shearing device for vascular tissues Download PDFInfo
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- CN102217965B CN102217965B CN2010101464429A CN201010146442A CN102217965B CN 102217965 B CN102217965 B CN 102217965B CN 2010101464429 A CN2010101464429 A CN 2010101464429A CN 201010146442 A CN201010146442 A CN 201010146442A CN 102217965 B CN102217965 B CN 102217965B
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Abstract
The invention discloses a shearing device for vascular tissues, which comprises a shear body and a blade arranged in the shear body. The shearing device for vascular tissues also comprises U-shaped clip latches or V-shaped latches arranged at two sides of the blade in the shear body and connected in pairs. When the shear body is folded, the structures of the U-shaped clip latches or V-shaped latches are folded to fix the vascular tissues to be sheared; when the vascular tissues are cut off by the blade in the middle, the two cut ends are respectively locked and separated by double clips arranged in pairs. The shearing device for vascular tissues can simultaneously complete the steps of blocking blood streams and cutting off tissues and prevent the tissues from being not completely locked and falling off, thus improving the operating safety.
Description
Technical field
The present invention relates to field of medical technology, be specifically related to a kind of clipping apparatus with vascular tissue, can in operation, complete blocking blood flow and cut and organize work band vascular tissue simultaneously.
Background technology
In field of medical technology, it is basic modus operandi that the separation of being organized in operation, colligation are cut off, must blocking blood flow before cutting off with the position of blood vessel and carry out colligation, such as cutting off of umbilical cord in the childbirth of fetus just needs colligation and cut off two steps to complete.The method of taking in operation have a lot of in, no matter use what mode, final purpose all need speed fast, go out insufficiency of blood.
Structure described in number of patent application 98804728.4 clamping clipping apparatus is a kind of device for umbilical cord nipping, can complete two steps simultaneously, the mode of the mode that this patent adopts for clamping and cutting off, on the basis of clip, designed, blocking-up and cutting are combined in the mode clamped and cut off, complete cutting process fast, the characteristics of this structure are apparent, but also have some defects of structure itself.On principle this structure can one step complete simultaneously and clamp and the process of cutting off, but there will be the situation that does not lock fully and come off during excessively thick clamp tissue in actual mechanical process, have the defect of certain secure context.
Summary of the invention
The present invention seeks to for above-mentioned defect of the prior art, a kind of clipping apparatus with vascular tissue is provided, can and cut off two steps of tissue by blocking blood flow and complete simultaneously, and not there will be and organize the situation that does not lock fully and come off, improve the safety in the operation.
The technical scheme that realizes above-mentioned purpose is as follows:
A kind of clipping apparatus with vascular tissue, comprise and cut body and be arranged on the blade of cutting in body, also comprises being arranged on cutting the paired U-shaped folder snap close in body inner blade both sides or V-arrangement folder snap close.
Further, described cut body comprise can be involutory cut He Jianti lower end, body upper end; Described paired U-shaped folder snap close is comprised of two U-shaped folder locks and two tightening buckles; Described two U-shapeds folder lock is symmetricly set on cuts inboard, body lower end, and these two U-shaped folder lock middle parts interconnect; Described two tightening buckles are movably arranged on respectively that to cut ，Qi installation site, body upper end corresponding with described two U-shapeds folder lock respectively, and described blade is arranged on Jian Ti upper end, two tightening buckle middle parts.
Further, the outer both sides of the edge of described U-shaped folder lock are provided with stepped lock tooth, be provided with on described tightening buckle with U-shaped folder and lock two tightening buckle lockholes corresponding to two arm positions, be respectively arranged with the tightening buckle tooth engaged coordinated with stepped lock tooth in described tightening buckle lockhole.
Further, between the tightening buckle lockhole of described tightening buckle, position is provided with the tightening buckle anti-slop serrations.
Further, the described blade both sides, body upper end of cutting are respectively arranged with the tightening buckle fixture, and its upper end is provided with the tightening buckle stop, and described tightening buckle is movably arranged on the tightening buckle fixture by this tightening buckle stop.
Further, the corresponding setting in end that described tightening buckle is locked with the U-shaped folder, and the inboard, body upper end of cutting of this tightening buckle below also is provided with the pressurized bracing or strutting arrangement.
Further, the connecting portion in the middle of described two U-shapeds folder is comprised of double fastener connecting plate and cross structure.
Further, the described inboard middle part, body lower end of cutting is provided with fixedly device of U-shaped folder lock, described U-shaped folder lock fixedly device both sides is respectively arranged with U-shaped folder lock base, described U-shaped folder lock is movably arranged on U-shaped folder lock base, U-shaped folder lock fixedly bottom of device is provided with hand hay cutter groove or chopping block, and the position of described hand hay cutter groove or chopping block is the position that blade closes up.
Further, the described junction, Yu Jianti lower end, body upper end of cutting is W shape structure.
Further, describedly cut the arc connecting portion that body top and bottom binding site is doubling, this position can built-in spring, or this position is the flexible arc connecting portion.
Further, described He Jianti lower end, the body upper end correspondence of cutting is provided with location-plate, wherein on the location-plate of an end, is provided with the location-plate slideway, on other end location-plate, with location-plate slideway correspondence position, is provided with locating shaft.
Further, described paired V-arrangement folder snap close interconnects, and wherein any comprises respectively the V-arrangement folder, and described V-arrangement folder inboard is provided with tooth engaged, and V-arrangement folder both ends are provided with respectively V-arrangement folder lock tooth and engaging button, and in the middle of the V-arrangement folder, folding section is provided with the crescent tabletting.
Further, the described body of cutting is whole cambered surface, form and cut He Jianti lower end, body upper end after the cambered surface doubling, cut He Jianti lower end, body upper end and be connected to form axle center by middle plate, and the described inboard blade both sides, body upper end of cutting are respectively equipped with locating rod, guiding shell fragment, the fixed mount pressured column connected successively, and the described body upper and lower side inboard of cutting is respectively arranged with paired upper holder and lower fixed frame, described paired V-arrangement folder snap close is separately fixed on upper holder and lower fixed frame, and the body lower end of cutting of described blade apposition position also is provided with chopping block.
It is the clipping apparatus with vascular tissue of the present invention, be mainly the purpose that reaches blocking-up, locks and cut by following measure: this clipping apparatus with vascular tissue comprises cuts body, paired U-shaped folder snap close and V-arrangement folder snap close, cut body and be one can be involutory symmetrical structure up and down, the size of this structure should meet the requirement that singlehanded palm holds, the operation implementation process there will be a lot of fortuitous events, excessive or too small can making troubles in use, and certain elastic force is arranged, but the process of cutting off of exerting pressure complete after resilience.Enforceable method has two kinds: the one, by the assembling spring, complete; Require the location of axle should consider the angle that upper and lower side is involutory, and can meet required precision when involutory, upper and lower two ends can be accurately involutory; In addition, the design of structure and the material selected also can meet this requirement.Upper and lower apposition position has the fixture of U-shaped folder lock and tightening buckle, the critical component that the snap close formed after this U-shaped folder lock and tightening buckle locking is blocking blood flow, be also upper and lower involutory parts, two arms of U-shaped folder lock insert in the tightening buckle lockhole when locking, and formation is encircled structure and organized fixture locked on umbilical cord or other.A blade is inlayed as cutting part in the middle part of upper end, and the cutting edge of blade also can be straight shape, arc or V-arrangement, and purpose is to cut off smoothly tissue.The lower end corresponding position of cutting body has the hand hay cutter groove, and blade can enter the hand hay cutter groove smoothly, and the bottom guarantee that arrives the hand hay cutter groove cuts off completing smoothly of action, and the requirement for height of blade is taken this as the standard; Or the lower end corresponding position of cutting body has chopping block, blade can arrive smoothly guarantee on chopping block and cut off completing smoothly of action, and the requirement for height of blade is taken this as the standard.U-shaped folder lock and tightening buckle are separately fixed at lower end and the upper end of cutting body, the blade both sides of cutting body have a pair of tightening buckle fixture that tightening buckle is fixed, U-shaped folder lock is placed in the both sides of middle part, lower end hand hay cutter groove or chopping block, in the middle of two U-shaped folder locks, by double fastener connecting plate and cross structure, connects.When cutting body when involutory, the first step makes U-shaped folder lock and the closed and fixing band vascular tissue that will cut off of tightening buckle structure as umbilical cord tissue, blade in the middle of second step is positioned at enters the hand hay cutter groove or arrives the cross structure cut-out that hand hay cutter groove or chopping block upper end will be organized and be positioned to chopping block, and the two ends of organizing of cut-out are locked and separate by the snap close of blade both sides respectively.Be the process that the first step completes clamping, then reset; The second step closing blade is locked in by the tissue of clamping and U-shaped folder the position that connects bridge and cuts off, and closed folder ejection is cut to body completes the process of cutting off.
The advantage that the structure of U-shaped folder lock of the present invention possesses can embody latched position and can slide, sliding process within the specific limits just can meet the requirement different with the haemal tissue thickness to umbilical cord etc., and remain more satisfactory sealed power, be unlikely to occur to change because of diameter the not firm problem even come off of locking occurred, two arms of U-shaped folder lock are arranged respectively several stepped lock teeth, identical with the tooth engaged of tightening buckle lockhole inboard when inserting the tightening buckle engagement mechanism, according to the direction one-way locking entered, can not exit, distance between U-shaped folder lock tooth and tightening buckle tooth engaged can meet the variation requirement of different-diameter after slip.
In locking process, blocked tissue has certain toughness and elastic force, the resistance that U-shaped folder lock is had to an antagonism, the larger resistance of pressure is just larger, the strength outwards expanded makes the snap close card must be tighter, this scheme requires the process that clamps and cut off suddenly to carry out in two steps, certain support force to be arranged between U-shaped folder lock tooth and tightening buckle organizing before cut, be provided with tightening buckle fixture and tightening buckle stop cutting the body upper end, when downward pressure makes the snap close closure arrive certain degree, tightening buckle can be thrown off from tightening buckle stop and tightening buckle fixture, the support force of tightening buckle stop makes the tightening buckle device lock fully, the position of blade just arrives on the least significant end or chopping block of hand hay cutter groove at the same time, umbilical cord or band haemal tissue are cut off, during the state that disconnects, two broken ends of fractured bone are locked by snap close respectively.
U-shaped presss from both sides rectangle that the structure of corresponding tightening buckle is diplopore or similar ellipsoidal structure, the effect in hole is that two arms of U-shaped folder lock are inserted, and fixing, realize that the hole of inserting cooperatively interact and leave gap with arm, be provided with the tightening buckle tooth engaged at the relative position with arm contact, with stepped lock tooth on arm, cooperatively interact and lock after can not exit.The distance of diplopore is consistent with the distance of two arms, should be smooth during insertion, and by the strength locking pressed down, the contact surface of tightening buckle and U-shaped folder lock is provided with strip or point-like anti-skid structure.
The operation principle with vascular tissue's clipping apparatus that comprises V-arrangement folder snap close of another kind of form of the present invention is the same.
Compared with prior art, the present invention has following beneficial effect:
1, this device comprises and cuts body, paired U-shaped folder snap close and V-arrangement folder snap close, and the process that clamps simultaneously and cut off is two steps, after locking process completes, goes to cut off again, and can improve the safety in operating process like this.
2, this device is mainly the combinative structure with a kind of collapsible snap close, for different band vascular tissues, as umbilical cord is blocked, in structure with different from current clamping device used on principle, structure by snap close completes blocking-up, can effectively complete the blocking-up with vascular tissue and cutting process for different thicknesses.Be the construction features that construction features of the present invention has changed prior art, changed in the mode locked, profile is small and exquisite, and slidably structure has increased again lock-in range.
3, the laterally zygomorphic body structure mode with palm in operating process of cutting is exerted oneself, good stability, convenient operation.
4, paired U-shaped folder snap close closes or V-arrangement folder snap close is arranged with symmetric mode, has syndeton to connect and be integrated in centre, and this symmetrical structure is less demanding to holding mode, and the right-hand man all can operate.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms the part of description, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 twin shaft is cut body band U-shaped folder lock and tightening buckle front side view
Fig. 2 twin shaft is cut body band U-shaped folder lock and tightening buckle opposite side elevational view
Fig. 3 twin shaft is cut the side view
Fig. 4 twin shaft is cut the body top view
Fig. 5 U-shaped folder lock double fastener structure side view
Fig. 6 U-shaped folder lock double fastener structure upward view
Fig. 7 U-shaped folder lock profile
Fig. 8 tightening buckle combination front view
Fig. 9 U-shaped folder lock and tightening buckle combination section
Figure 10 doubling arc is cut body and U-shaped folder lock construction top view
Figure 11 doubling arc is cut the side view
Figure 12 doubling arc is cut the body opposite side view
The whole arc of Figure 13 is cut body and V-arrangement folder snap close combination top view
Figure 14 V-arrangement folder snap close top view
Figure 15 V-arrangement folder snap close double fastener structure side view
By reference to the accompanying drawings, in the embodiment of the present invention, Reference numeral is as follows:
1-cuts the body lower end; 2-cuts the body upper end; 13-location-plate slideway; The 14-location-plate; 15-U type folder lock base; The 16-locating shaft; 17-hand hay cutter groove or chopping block; The 18-blade holder; 19a, 19b-tightening buckle fixture; 20-pressurized bracing or strutting arrangement; 21,21a, the 21b-tightening buckle; The 22-blade; 24-the first axle point; 25-the second axle point; 26,26a, 26b-U type folder lock; The stepped lock tooth of 27-; 28,28a, the 28b-tooth engaged; 29,29a, 29b-tightening buckle lockhole; 30,30a, 30b-engages button; The 31-upper holder; 32-U type folder lock is device fixedly; 34a, 34b-tightening buckle stop; 35-tightening buckle tooth engaged; 36-tightening buckle anti-slop serrations; 37,37a, 37b-double fastener connecting plate; The 38-cross structure; 39-V clevis snap close; The 40-locating rod; 41-fixed mount pressured column; The 42-shell fragment that leads; The 43-fold point; 44-crescent tabletting; The 45-chopping block; 46a, plate in 46b-; The 47-lower fixed frame; 48,48a, 48b-V clevis lock tooth.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Lock in order to be cut by twin shaft, tightening buckle forms a kind of umbilical cord nipping device by body and U-shaped folder for the present embodiment:
As shown in Figure 1, cut body divide comprise can doubling two parts up and down---cut body lower end 1 and cut body upper end 2, cutting body lower end 1 is W shape structure with cutting 2 junctions, body upper end, there are the first axle point 24 and the second axle point 25 (two) in fold point, such structure can make the overall structure of cutting body shorten, and there are two axis in the application of force, make upper and lower surfaces approach vertical combination.
As shown in Fig. 1,4, the inboard of cutting body upper end 2 has tightening buckle 21 (two) to be contained in tightening buckle fixture 19a, the position of 19b (totally two couples), tightening buckle fixture 19a, the 19b upper end arranges tightening buckle stop 34a, 34b, have on blade holder 18 blade 22 is housed, be positioned at symmetrical tightening buckle 21 centre positions, there is pressurized bracing or strutting arrangement 20 lower end of tightening buckle 21;
As shown in Figure 1, Figure 2, Figure 3, Figure 4, there is U-shaped folder lock the inboard of cutting body lower end 1, and fixedly device 32, U-shaped folder are locked base 15, are had the symmetrical U-shaped folder that is arranged in of U-shaped folder lock 26 (two) to lock the fixedly both sides of device 32, and U-shaped folder lock 26 (two U-shaped folder lock 26a, 26b) by double fastener connecting plate 37a, 37b, cross structure 38 connect (also as shown in Figure 6), and bottom surface has hand hay cutter groove or chopping block 17 to support.
As shown in Fig. 5, Fig. 7, U-shaped folder lock 26,26a, the outer both sides of the edge of 26b are provided with stepped lock tooth 27.
As shown in Figure 8, Figure 9, tightening buckle 21,21a, on 21b, be provided with and 26 liang of tightening buckle lockholes 29 that the arm position is corresponding of U-shaped folder lock, be respectively arranged with the tightening buckle tooth engaged 35 coordinated with stepped lock tooth 27 in tightening buckle lockhole 29, between the tightening buckle lockhole 29 of tightening buckle 21, position is provided with tightening buckle anti-slop serrations 36.
During operation, the tissue that needs are cut off is put into the U-shaped folder lock 26 of clipping apparatus, after by cutting the body upper and lower side application of force, two strong points formation resistance that works is arranged.The first resistance is that U-shaped folder lock 26a and 26b need to overcome while entering the double-pore structure tightening buckle lockhole 29 of tightening buckle 21a, 21b and come from tightening buckle and break away from tightening buckle stop 34a, the resistance of 34b, and complete the process of locking; The second resistance drops to the position of pressurized back-up block 20 for the tightening buckle after locking comes off, and the tissue that now blade 22 will clamp and cross structure 38 together cut off, and makes U-shaped folder lock separate and come off from cutting body simultaneously, completes the process of cutting off tissue that clamps.The characteristics of U-shaped folder lock are: volume is small and exquisite, can form and wrap up and tighten up the tissue of different thicknesses.When the U-shaped folder is locked into into tightening buckle lockhole 29, stepped lock tooth 27 and tightening buckle tooth engaged 35 staged locking, play the effect of tightening up, and tightening buckle anti-slop serrations 36 can prevent from organizing slippage simultaneously.
The present embodiment forms a kind of umbilical cord nipping device for cut body and U-shaped folder snap close by the doubling arc:
The present embodiment is from the different of embodiment 1, the body of cutting adopted is the arc doubling to folded structure, and symmetrical structure one side of cutting body is doubling arc connecting portion, and performance and structure that spring or material itself can be installed in this position form elastic force, the opposite side opening, can be closed after the upper and lower application of force.As shown in Figure 10～12, take fold point 43 as the built-in spring structure generation of axle support elastic force, and this structure has increased a positioner, location-plate 14, location-plate slideway 13 and locating shaft 16, consists of, upper-lower position when involutory is not departed from, and other structure is consistent with embodiment 1.
Embodiment 3
The present embodiment presss from both sides snap close and forms a kind of umbilical cord nipping device for cut body and V-arrangement by integral curved structure:
As shown in figure 13, the arcuate structure adopted is cut the as a whole cambered surface of body, forms the upper and lower side of cutting body after the cambered surface doubling, by middle plate 46a, 46b, forms and connects rotund cambered surface, forms a stable axle center when structure of middle plate 46a, 46b makes the cambered surface doubling; There is locating rod 40, guiding shell fragment 42 and the fixed mount pressured column 41 connected successively the inboard of cutting body upper end 2, and blade 22 is fixed on the front end of middle plate 46a, and V-arrangement folder snap close 39 is fixed on upper holder 31 and fixed mount pressured column 41; There is middle plate 46b the inboard of cutting body lower end 1, and the chopping block 45 and the lower fixed frame 47 that extend, and V-arrangement folder snap close 39 is fixing on lower fixed frame 47, still in the symmetrical double fastener mode connected, arranges.As shown in Figure 14,15, the structure of V-arrangement folder snap close 39 comprises tooth engaged (28,28a, 28b), engaging button (30,30a, 30b), V-arrangement folder lock tooth (48,48a, 48b) and crescent tabletting 44.Process while cutting the body closure in two steps, the first step completes the process of clamping, then reset, fixed mount pressured column 41 is detained V-arrangement folder lock tooth 48 30 and is oppressed and make its locking with engage, the tissue that second step closing blade 22 will clamp and V-arrangement folder snap close 39 cut off on chopping block 45, and guiding shell fragment 42 is cut body by closed V-arrangement folder snap close 39 ejections and completed the process of cutting off.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment, the present invention is had been described in detail, for a person skilled in the art, its technical scheme that still can put down in writing aforementioned each embodiment is modified, or part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. the clipping apparatus with vascular tissue, comprise and cut body and be arranged on the blade of cutting in body, also comprise being arranged on and cut the paired U-shaped folder snap close in body inner blade both sides,
It is characterized in that, described cut body comprise can be involutory cut He Jianti lower end, body upper end; Wherein,
Described paired U-shaped folder snap close is comprised of two U-shaped folder locks and two tightening buckles; Described two U-shaped folder locks are symmetricly set on cuts inboard, body lower end, and the middle part of these two U-shaped folder locks interconnects; Described two tightening buckles are movably arranged on respectively that to cut ，Qi installation site, body upper end corresponding with described two U-shaped folders lock respectively, and described blade is arranged on Jian Ti upper end, two tightening buckle middle parts.
2. the clipping apparatus with vascular tissue according to claim 1, it is characterized in that, the outer both sides of the edge of described U-shaped folder lock are provided with stepped lock tooth, be provided with on described tightening buckle with U-shaped folder and lock two tightening buckle lockholes corresponding to two arm positions, be respectively arranged with the tightening buckle tooth engaged coordinated with stepped lock tooth in described tightening buckle lockhole.
3. the clipping apparatus with vascular tissue according to claim 2, is characterized in that, between the tightening buckle lockhole of described two tightening buckles, position is provided with the tightening buckle anti-slop serrations.
4. the clipping apparatus with vascular tissue according to claim 1, it is characterized in that, described blade both sides of cutting the body upper end are respectively arranged with the tightening buckle fixture, its upper end is provided with the tightening buckle stop, and described two tightening buckles are movably arranged on the tightening buckle fixture by this tightening buckle stop.
5. the clipping apparatus with vascular tissue according to claim 1, the corresponding setting in end of described two tightening buckles and two U-shaped folders locks, and the inboard, body upper end of cutting below these two tightening buckles also is provided with the pressurized bracing or strutting arrangement.
6. the clipping apparatus with vascular tissue according to claim 1, is characterized in that, the connecting portion in the middle of described two U-shaped folder locks is comprised of double fastener connecting plate and cross structure.
7. the clipping apparatus with vascular tissue according to claim 6, it is characterized in that, the described inboard middle part, body lower end of cutting is provided with fixedly device of U-shaped folder lock, described U-shaped folder lock fixedly device both sides is respectively arranged with U-shaped folder lock base, described two U-shaped folder locks are movably arranged on U-shaped folder lock base, U-shaped folder lock fixedly bottom of device is provided with hand hay cutter groove or chopping block, and the position of described hand hay cutter groove or chopping block is the position that blade closes up.
8. the clipping apparatus with vascular tissue according to claim 1, is characterized in that, the described junction, Yu Jianti lower end, body upper end of cutting is W shape structure.
9. the clipping apparatus with vascular tissue according to claim 1, it is characterized in that, describedly cut the arc connecting portion that Yu Jianti lower end, body upper end binding site is doubling, this arc connecting portion can built-in spring, or this arc connecting portion is the flexible arc connecting portion.
10. the clipping apparatus with vascular tissue according to claim 1, it is characterized in that, described He Jianti lower end, the body upper end correspondence of cutting is provided with location-plate, wherein on the location-plate of an end, is provided with the location-plate slideway, on other end location-plate, with location-plate slideway correspondence position, is provided with locating shaft.
11. the clipping apparatus with vascular tissue, comprise and cut body and be arranged on the blade of cutting in body, also comprises being arranged on cutting the paired V-arrangement folder snap close in body inner blade both sides,
It is characterized in that, described cut body comprise can be involutory cut He Jianti lower end, body upper end; Wherein,
Described paired V-arrangement folder snap close interconnects, and wherein any comprises respectively the V-arrangement folder, and described V-arrangement folder inboard is provided with tooth engaged, and V-arrangement folder both ends are provided with respectively V-arrangement folder lock tooth and engaging button, and in the middle of the V-arrangement folder, folding section is provided with the crescent tabletting;
The described body of cutting that is provided with V-type folder snap close is whole cambered surface, form and cut He Jianti lower end, body upper end after the cambered surface doubling, cut He Jianti lower end, body upper end and be connected to form axle center by middle plate, and the described inboard blade both sides, body upper end of cutting are respectively equipped with locating rod, guiding shell fragment, the fixed mount pressured column connected successively, and the described inboard, He Jianti lower end, body upper end of cutting is respectively arranged with paired upper holder and lower fixed frame, described paired V-arrangement folder snap close is separately fixed on upper holder and lower fixed frame, and the body lower end of cutting of described blade apposition position also is provided with chopping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101464429A CN102217965B (en) | 2010-04-14 | 2010-04-14 | Shearing device for vascular tissues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101464429A CN102217965B (en) | 2010-04-14 | 2010-04-14 | Shearing device for vascular tissues |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102217965A CN102217965A (en) | 2011-10-19 |
| CN102217965B true CN102217965B (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101464429A Expired - Fee Related CN102217965B (en) | 2010-04-14 | 2010-04-14 | Shearing device for vascular tissues |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940498B (en) * | 2012-10-18 | 2015-06-24 | 青岛大学医学院附属医院 | Venous blood collection needle with cut-off protectors |
| CN108652755B (en) * | 2017-03-30 | 2023-06-06 | 崔家鸣 | Tendon fixing device |
| JP7341892B2 (en) * | 2017-04-20 | 2023-09-11 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング | Ergonomic disposable cutting tool for sterility testing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2643843Y (en) * | 2003-09-01 | 2004-09-29 | 蓝孚生物医学工程技术(山东)有限公司 | Umbilical cord nipping device |
| CN2785548Y (en) * | 2005-04-15 | 2006-06-07 | 徐湘盛 | Disposable umbilical cord clamping cutter |
| CN201691985U (en) * | 2010-04-14 | 2011-01-05 | 范勤 | Shearing device of tissue with vessels |
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2010
- 2010-04-14 CN CN2010101464429A patent/CN102217965B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2643843Y (en) * | 2003-09-01 | 2004-09-29 | 蓝孚生物医学工程技术(山东)有限公司 | Umbilical cord nipping device |
| CN2785548Y (en) * | 2005-04-15 | 2006-06-07 | 徐湘盛 | Disposable umbilical cord clamping cutter |
| CN201691985U (en) * | 2010-04-14 | 2011-01-05 | 范勤 | Shearing device of tissue with vessels |
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| CN102217965A (en) | 2011-10-19 |
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