CN102835991A - Mini scalpel - Google Patents
Mini scalpel Download PDFInfo
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- CN102835991A CN102835991A CN2012103254570A CN201210325457A CN102835991A CN 102835991 A CN102835991 A CN 102835991A CN 2012103254570 A CN2012103254570 A CN 2012103254570A CN 201210325457 A CN201210325457 A CN 201210325457A CN 102835991 A CN102835991 A CN 102835991A
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- blade
- protective sleeve
- chute
- scalpel
- bearing
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Abstract
The invention relates to a mini scalpel consisting of a blade, a blade holder and a blade sheath; the blade is fixed on the front of the blade holder and the blade holder is slidingly sleeved with the blade sheath; a side unlock button, a second sliding groove, a front and back lock structure are designed between the blade holder and the blade sheath to solve the problems concerning the extension, contraction and positioning of the blade with respect to the blade sheath. Compared with existing scalpels with blade sheaths, the mini blade is simple in structure, small in size and low in production cost. In addition, the mini scalpel is provided with a first sliding groove, and a deadlock groove is arranged in front of the first sliding groove. When the mini scalpel is used in the operation, the side unlock button is pushed backwards directly so that a first bulge arranged on the blade sheath passes through the latch block through the first sliding groove and falls into the deadlock groove. At the same time, the blade is received in the blade sheath and deadly locked, so that the mini scalpel can not be used again and the safety problem of the second use of the scalpel is completely removed.
Description
Technical field
The present invention relates to the medical surgical scalpel, particularly a kind of mini scalpel.This scalpel is not only simple in structure, volume is little, cost is low, and can protective sleeve be pushed into locking state after using, and can not open protective sleeve and reuse.
Background technology
Scalpel is to carry out operating indispensable instrument, and its safety is most important for operator and sufferer.The traditional operation cutter had two types usually in the past: a kind of is to mould the handle scalpel, and another kind is a steel handle scalpel.Mould the handle scalpel and mainly be made up of disposable blade and the disposable handle of moulding, mould the handle front portion and be provided with blade bearing, blade is installed on the blade bearing.Steel handle scalpel mainly is made up of the steel handle of disposable blade and the use of non-once property, need blade be installed on the handle of a knife before using, and after the use blade is removed from handle of a knife.All suffer from the blade that exposes or because of the bloodstain on the blade causes the potential injury of polluting no matter mould handle scalpel or steel handle scalpel user, and, when the surgeon passes to the colleague with the scalpel that exposes, also be prone to take place sharp instrument injury.
In order to improve safety; Existing surgical knife is to design carrying under the theory of protective sleeve; Disclose one by U.S. company BD (Becton such as U.S. Pat 6626925B2; Dickinson Company) name of application is called the patent of invention of " band protective sleeve surgical knife ", belong to carry protective sleeve mould the handle scalpel.Disclose the application for a patent for invention that a name by U.S. company BD (Becton, Dickinson Company) application is called " surgical knife " such as European patent EP 0988832A2, belonged to the steel handle scalpel that carries protective sleeve.Though the sleeve type surgical knife of this employing protective sleeve structure has solved the exposed safety issue of being brought outside of blade in the past; But fundamentally thoroughly do not solve the reusable once more safety issue of scalpel; In other words, this scalpel uses front slide to open protective sleeve, uses the back to slide and shuts protective sleeve; But still can open protective sleeve once more, therefore this scalpel can not be stopped the probability that is used again fully.
In addition, present medical surgical scalpel exists complex structure, volume is big and cost is high problem.These shortcomings have also limited the promotion and application of this type scalpel in medical industry to a certain extent.
Therefore, demand inventing a kind of scalpel that can overcome above shortcoming urgently, to serve health care industry better.
Summary of the invention
In view of the shortcoming of above prior art, the present invention provides a kind of mini safe operating knife, and its first purpose is with solving the problem that existing scalpel structure is complicated, volume is big and cost is high; Second purpose is with solve the safety issue that existing scalpel can be used again after once using.
For achieving the above object, the technical scheme that the present invention adopts is: a kind of mini safe operating knife, and its innovation is: be made up of blade, blade bearing and blade protective sleeve, blade is fixed on the blade bearing front portion, and blade protective sleeve slip cap is contained on the blade bearing;
Said blade bearing is provided with second elastic cantilever, and the arm end of this second elastic cantilever is provided with first locking projections and side unlock button; Corresponding said side unlock button is provided with second chute in the side of blade protective sleeve; The side unlock button is arranged in second chute; The front end of second chute is provided with forward recess; The rear end of second chute is provided with rearward recess; Said first locking projections and forward recess cooperate with blade mutually the blade protective sleeve be locked in open mode, first locking projections and rearward recess cooperation with blade mutually the blade protective sleeve be locked in closed condition, can remove the mated condition of first locking projections and forward recess by the downside unlock button; Perhaps the mated condition of first locking projections and rearward recess is pressed and is promoted the side unlock button and can force blade bearing and blade phase blade protective sleeve to slide.
Related content of the present invention is explained as follows:
1. in the present invention, " preceding " in said " front portion ", " front end " etc. is meant with scalpel whole as the direction with reference to the point of a knife indication." back " is meant the opposite direction of " preceding " on the contrary.
2. the present invention is in order to realize second purpose; The technical measures that adopt are: said blade protective sleeve is provided with first convexity; To should first convexity on blade bearing, being provided with first chute, this first chute arranges that along the glide direction of blade bearing phase blade protective sleeve the place ahead of first chute is provided with a locked groove; Be provided with a latch between the locked groove and first chute; Said first convexity cooperates with first chute and locked groove respectively in the scalpel use, and concrete position matching is: when said first locking projections cooperated with forward recess, said first convexity cooperated with the rear end of first chute; When said first locking projections cooperated with rearward recess, said first convexity cooperated with the first chute front end; When said first locking projections is in the rearward recess position; Press and promote backward the side unlock button; First convexity is crossed latch from the first chute front end and is fallen into locked groove, and this moment, blade was accommodated in the blade protective sleeve, and blade bearing and blade phase blade protective sleeve entering locking state.
In the present invention, said " locking " is meant blade bearing and the temporary transient blocked state of blade phase blade protective sleeve, can push the unlock button state that unlocks.Said " locked " is different with locking, and locked blade bearing and the blade phase blade protective sleeve of being meant is forever by locked state, and this state is permanent locking, has only through destroying and could remove locking state.
3. in the present invention, successfully carrying out the transition to locking state from lock-out state in order to make blade bearing and blade phase blade protective sleeve, can be the inclined-plane near a side of first chute at latch, and latch is a vertical near a side of locked groove.
4. in the present invention; For blade bearing can successfully be slided in the blade protective sleeve; Can be in the inwall upper edge of blade protective sleeve the glide direction of blade bearing phase blade protective sleeve be provided with convex tendon; To should on blade bearing, being provided with the 5th chute by convex tendon, the 5th chute cooperates with convex tendon to be constituted blade bearing to be slidingly connected in the blade protective sleeve.
5. in the present invention, said forward recess is the bar-shaped trough of recessed blade protective sleeve one side inwall.Said rearward recess is the concave hole with the inside and outside wall connection of blade protective sleeve one side.
Design principle of the present invention and effect are:
First; In order to realize first purpose; The present invention only is made up of blade, blade bearing and three parts of blade protective sleeve; And between blade bearing and blade protective sleeve, designed side unlock button, second chute and corresponding latch-up structure, solved the flexible and orientation problem of the relative protective sleeve of blade.Compare with the scalpel of existing band protective sleeve, the present invention is simple in structure, volume is little, cost is low.
The second, in order to realize second purpose, the present invention is provided with a locked groove in the place ahead of first chute, be provided with a latch between the locked groove and first chute.After scalpel uses, can directly promote the side unlock button backward makes first convexity cross latch by first chute to fall into locked groove; This moment, blade was accommodated in the blade protective sleeve; And blade bearing and blade phase blade protective sleeve get into locking state, can not reuse.Because under locking state, blade bearing and blade phase blade protective sleeve have lost original function by permanent locked, thereby thoroughly eliminated the safety issue that is used again after scalpel uses.
Description of drawings
Fig. 1 is the blade bearing Facad structure sketch map of the mini scalpel of the present invention;
Fig. 2 is the blade protective sleeve Facad structure sketch map of the mini scalpel of the present invention;
Fig. 3 is the blade bearing reverse side structural representation of the mini scalpel of the present invention;
Fig. 4 is the enlarged diagram of I place structure among Fig. 3;
Fig. 5 is the blade protective sleeve reverse side structural representation of the mini scalpel of the present invention;
Fig. 6 is the main cutaway view of Fig. 5;
Fig. 7 is a B-B place cutaway view among Fig. 6;
Fig. 8 is for the sketch map of the mini scalpel original state of the present invention, this moment, blade was in closed condition;
Fig. 9 is for the sketch map of the mini scalpel user mode of the present invention, this moment, blade was in open mode.
Figure 10 uses back blade and blade bearing by locked sketch map in the blade protective sleeve for the mini scalpel of the present invention.
Label declaration in the above accompanying drawing is following:
1. blade bearing; 10. the 5th chute; 11. second elastic cantilever; 12. first chute; 13. first locking projections; 14. side unlock button; 16. latch; 17. inclined-plane; 18. vertical; 19. locked groove;
2. blade;
3. blade protective sleeve; 32. first convexity; 33. second chute; 34. forward recess; 35. rearward recess; 36. convex tendon; 38. window.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Embodiment: a kind of mini scalpel
Referring to Fig. 1 ~ Figure 10, this mini hands is stated cutter and is made up of blade 2, blade bearing 1 and blade protective sleeve 3, and blade 2 is fixed on blade bearing 1 front portion, and blade protective sleeve 3 slip caps are contained on the blade bearing 1.
Said blade bearing 1 is provided with second elastic cantilever, 11 (see figure 1)s, and the arm end of this second elastic cantilever 11 is provided with first locking projections 13 and side unlock button 14 (see figure 1)s.Corresponding said side unlock button 14 is provided with second chute 33 (seeing Fig. 2 and Fig. 6) in the side of blade protective sleeve 3; Be arranged in second chute 33 at confined state downside unlock button 14; The front end of second chute 33 is provided with forward recess 34 (seeing Fig. 2 and Fig. 6); Forward recess 34 is the bar-shaped trough of recessed blade protective sleeve 3 one side inwalls, and the rear end of second chute 33 is provided with rearward recess 35, and rearward recess 35 is the concave hole with the inside and outside wall connection of blade protective sleeve 3 one sides.Said first locking projections 13 and forward recess 34 cooperate with blade 2 mutually blade protective sleeve 3 be locked in open mode; First locking projections 13 and rearward recess 35 cooperate with blade 2 mutually blade protective sleeve 3 be locked in closed condition; Can remove the mated condition of first locking projections 13 and forward recess 34 by downside unlock button 14; Perhaps the mated condition of first locking projections 13 and rearward recess 35 is pressed and is promoted side unlock button 14 and can force blade bearing 1 and blade 2 phase blade protective sleeves 3 to slide.
In order to solve the safety issue that existing scalpel can be used again after once using; On said blade protective sleeve 3, be provided with first protruding 32 (see figure 5)s; To should first convexity 32 on blade bearing 1, being provided with first chute 12 (seeing Fig. 3 and Fig. 4); This first chute 12 is arranged along the glide direction of blade bearing 1 phase blade protective sleeve 3; The place ahead of first chute 12 is provided with a locked groove 19 (seeing Fig. 3 and Fig. 4), is provided with a latch 16 (seeing Fig. 3 and Fig. 4) between the locked groove 19 and first chute 12, and said first protruding 32 cooperates with first chute 12 and locked groove 19 respectively in the scalpel use; Concrete position matching is: when said first locking projections 13 cooperated with forward recess 34, said first protruding 32 cooperated with the rear end of first chute 12; When said first locking projections 13 cooperated with rearward recess 35, said first protruding 32 cooperated with first chute, 12 front ends; When said first locking projections 13 is in rearward recess 35 positions; Press and promote backward side unlock button 14; First protruding 32 crosses latch 16 from first chute, 12 front ends falls into locked groove 19; This moment, blade 2 was accommodated in the blade protective sleeve 3, and blade bearing 1 and blade 2 phase blade protective sleeves 3 entering locking states.
In order to make blade bearing 1 and blade 2 phase blade protective sleeves 3 successfully carry out the transition to locking state from lock-out state, said latch 16 is inclined-plane 17 near a side of first chute 12, and latch 16 is a vertical 18 near a side of locked groove 19.
For blade bearing 1 can successfully be slided in blade protective sleeve 3; The glide direction of the inwall upper edge blade bearing 1 phase blade protective sleeve 3 of said blade protective sleeve 3 is provided with convex tendon 36 (see figure 7)s; To should on blade bearing 1, being provided with the 5th chute 10 (seeing Fig. 1 and Fig. 3) by convex tendon 36, the 5th chute 10 cooperates with convex tendon 36 to be constituted blade bearing 1 to be slidingly connected in blade protective sleeve 3.
The use of the mini scalpel of present embodiment combines accompanying drawing to be described below:
Fig. 8 is the sketch map of mini scalpel original state.Wherein, blade 2 is fixed on blade bearing 1 front portion, and blade protective sleeve 3 slip caps are contained on blade bearing 1 and the blade 2.Under this state, blade 2 is accommodated in the blade protective sleeve 3, the rearward recess 35 on first locking projections 13 on the blade bearing 1 and the blade protective sleeve 3 cooperate with blade 2 mutually blade protective sleeve 3 be locked in closed condition.Simultaneously, said first protruding 32 cooperates with first chute, 12 front ends.And A place (see figure 1) is provided with groove on the blade bearing 1, and groove can be coated color, and window 38 (see figure 2)s when original state from the blade protective cover 3 are just seen the groove of A.
Fig. 9 is the sketch map of mini scalpel user mode.This moment, blade 2 was in open mode; The process of opening blade 2 is: under the state of Fig. 8; Press downside unlock button 14; Elastic bending deflection takes place in second elastic cantilever 11, forces first locking projections 13 on the blade bearing 1 to remove mated condition with the rearward recess 35 on the blade protective sleeve 3, promotes side unlock button 14 then forward and forces blade 2 from blade protective sleeve 3, to skid off.When side unlock button 14 slides into front position in second chute 33; Decontrol side unlock button 14; Second elastic cantilever 11 relies on elasticity to automatically reset; First locking projections 13 and forward recess 34 cooperations this moment with blade 2 mutually blade protective sleeve 3 be locked in open mode, can use mini scalpel to undergo surgery.In the process of opening blade 2, slide in first chute 12 all the time in first protruding 32 of another side.
Figure 10 is the guard mode of closing blade 2 after mini scalpel uses.The process of closing blade 2 is: under the state of Fig. 9; Press downside unlock button 14; Elastic bending deflection takes place in second elastic cantilever 11; Force first locking projections 13 on the blade bearing 1 to remove mated condition, promote side unlock button 14 then backward and force blade 2 to be return in the blade protective sleeve 3 with the forward recess 34 on the blade protective sleeve 3.When side unlock button 14 slides into back-end location in second chute 33; First protruding 32 of another side is crossed latch 16 from first chute, 12 front ends and is fallen into locked groove 19; This moment, blade 2 was accommodated in the blade protective sleeve 3; And blade bearing 1 and blade 2 phase blade protective sleeves 3 get into locking state, can not open once more.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. mini scalpel, it is characterized in that: be made up of blade (2), blade bearing (1) and blade protective sleeve (3), blade (2) is fixed on blade bearing (1) front portion, and blade protective sleeve (3) slip cap is contained on the blade bearing (1);
Said blade bearing (1) is provided with second elastic cantilever (11), and the arm end of this second elastic cantilever (11) is provided with first locking projections (13) and side unlock button (14); Corresponding said side unlock button (14) is provided with second chute (33) in the side of blade protective sleeve (3); Side unlock button (14) is arranged in second chute (33); The front end of second chute (33) is provided with forward recess (34); The rear end of second chute (33) is provided with rearward recess (35); Said first locking projections (13) and forward recess (34) cooperate with blade (2) mutually blade protective sleeve (3) be locked in open mode; First locking projections (13) and rearward recess (35) cooperate with blade (2) mutually blade protective sleeve (3) be locked in closed condition; Can remove the mated condition of first locking projections (13) and forward recess (34) by downside unlock button (14), perhaps the mated condition of first locking projections (13) and rearward recess (35) is pressed and is promoted side unlock button (14) and can force blade bearing (1) and blade (2) phase blade protective sleeve (3) to slide.
2. mini scalpel according to claim 1; It is characterized in that: said blade protective sleeve (3) is provided with first convexity (32); To should first convexity (32) on blade bearing (1), being provided with first chute (12); This first chute (12) is arranged along the glide direction of blade bearing (1) phase blade protective sleeve (3); The place ahead of first chute (12) is provided with a locked groove (19), is provided with a latch (16) between locked groove (19) and first chute (12), and said first convexity (32) cooperates with first chute (12) and locked groove (19) respectively in the scalpel use; Concrete position matching is: when said first locking projections (13) and forward recess (34) when cooperating, said first convexity (32) cooperates with the rear end of first chute (12); When said first locking projections (13) and rearward recess (35) when cooperating, said first convexity (32) cooperates with first chute (12) front end; When said first locking projections (13) is in rearward recess (35) position; Press and promote backward side unlock button (14); First convexity (32) is crossed latch (16) from first chute (12) front end and is fallen into locked groove (19); Blade this moment (2) is accommodated in the blade protective sleeve (3), and blade bearing (1) and blade (2) phase blade protective sleeve (3) entering locking state.
3. mini scalpel according to claim 2 is characterized in that: said latch (16) is inclined-plane (17) near a side of first chute (12), and latch (16) is vertical (18) near a side of locked groove (19).
4. mini scalpel according to claim 1 and 2; It is characterized in that: the glide direction of inwall upper edge blade bearing (1) the phase blade protective sleeve (3) of said blade protective sleeve (3) is provided with convex tendon (36); To should on blade bearing (1), being provided with the 5th chute (10) by convex tendon (36), the 5th chute (10) cooperates with convex tendon (36) to be constituted blade bearing (1) to be slidingly connected in blade protective sleeve (3).
5. mini scalpel according to claim 1 and 2 is characterized in that: said forward recess (34) is the bar-shaped trough of recessed blade protective sleeve (3) one side inwalls.
6. mini scalpel according to claim 1 and 2 is characterized in that: the concave hole that said rearward recess (35) is communicated with for the inside and outside wall with blade protective sleeve (3) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325457.0A CN102835991B (en) | 2012-09-05 | 2012-09-05 | Mini scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325457.0A CN102835991B (en) | 2012-09-05 | 2012-09-05 | Mini scalpel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102835991A true CN102835991A (en) | 2012-12-26 |
| CN102835991B CN102835991B (en) | 2014-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210325457.0A Active CN102835991B (en) | 2012-09-05 | 2012-09-05 | Mini scalpel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102835991B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014036926A1 (en) * | 2012-09-05 | 2014-03-13 | 苏州施莱医疗器械有限公司 | Safe scalpel |
| CN103932715A (en) * | 2014-04-04 | 2014-07-23 | 苏州科技城施莱医疗器械有限公司 | Infant peripheral blood collecting device with safety buckle rotary locking function and retreating-prevention type pushing key |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5431672A (en) * | 1994-05-09 | 1995-07-11 | Becton, Dickinson And Company | Surgical scalpel with retractable blade |
| US5938676A (en) * | 1993-12-08 | 1999-08-17 | Becton, Dickinson & Company | Surgical scalpel |
| CN2621611Y (en) * | 2003-05-21 | 2004-06-30 | 施国平 | Locking disposable safety lancet |
| CN202143644U (en) * | 2011-04-26 | 2012-02-15 | 深圳惠格浩电子有限公司 | Disposable locking and clamping type safe scalpel |
-
2012
- 2012-09-05 CN CN201210325457.0A patent/CN102835991B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5938676A (en) * | 1993-12-08 | 1999-08-17 | Becton, Dickinson & Company | Surgical scalpel |
| US5431672A (en) * | 1994-05-09 | 1995-07-11 | Becton, Dickinson And Company | Surgical scalpel with retractable blade |
| CN2621611Y (en) * | 2003-05-21 | 2004-06-30 | 施国平 | Locking disposable safety lancet |
| CN202143644U (en) * | 2011-04-26 | 2012-02-15 | 深圳惠格浩电子有限公司 | Disposable locking and clamping type safe scalpel |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014036926A1 (en) * | 2012-09-05 | 2014-03-13 | 苏州施莱医疗器械有限公司 | Safe scalpel |
| US9839442B2 (en) | 2012-09-05 | 2017-12-12 | Sterilance Medical (Suzhou) Inc. | Safety scalpel |
| CN103932715A (en) * | 2014-04-04 | 2014-07-23 | 苏州科技城施莱医疗器械有限公司 | Infant peripheral blood collecting device with safety buckle rotary locking function and retreating-prevention type pushing key |
| CN103932715B (en) * | 2014-04-04 | 2016-04-20 | 苏州科技城施莱医疗器械有限公司 | Safety buckle twist lock and push away send out a key anti-back formula infant tip hemostix |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102835991B (en) | 2014-09-17 |
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Denomination of invention: Mini scalpel Effective date of registration: 20220105 Granted publication date: 20140917 Pledgee: China Minsheng Bank Co.,Ltd. Suzhou Branch Pledgor: STERILANCE MEDICAL (SUZHOU) Inc. Registration number: Y2022320010001 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230523 Granted publication date: 20140917 Pledgee: China Minsheng Bank Co.,Ltd. Suzhou Branch Pledgor: STERILANCE MEDICAL (SUZHOU) Inc. Registration number: Y2022320010001 |