CN103976776A - Disposable safety scalpel - Google Patents
Disposable safety scalpel Download PDFInfo
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- CN103976776A CN103976776A CN201410228377.2A CN201410228377A CN103976776A CN 103976776 A CN103976776 A CN 103976776A CN 201410228377 A CN201410228377 A CN 201410228377A CN 103976776 A CN103976776 A CN 103976776A
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- knife
- handle
- broach shell
- port
- button
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- 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
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
-
- 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
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
- A61B2017/32113—Surgical scalpels, knives; Accessories therefor with extendable or retractable guard or blade
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- 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)
- Surgical Instruments (AREA)
Abstract
The invention relates to a disposable safety scalpel. The disposable safety scalpel comprises a blade, a handle and a sleeve. When the sleeve slides front and back relative to the handle and is located, the blade presents a stretching state and a retraction state from the sleeve. The disposable safety scalpel is characterized in that a first lock opening is formed in the front of a scalpel protection lock opening in the back of the handle, and the scalpel protection lock opening and the first lock opening are in inclined face or cambered face transition. A second lock opening and a stopping block are arranged in the front of a handle front through groove. When a button is in a press state and the sleeve is pushed forwards, an impact head is stopped by the stopping block, so that the impact head slides into the second lock opening from the front end of the through groove, and the condition that the scalpel is pushed into the lock state without being used is effectively prevented. Besides, by the front and back simultaneous lock state, slipping due to overlarge space between the sleeve and the handle and deformation is prevented, and the lock state stability is well guaranteed.
Description
Technical field
The present invention relates to Medical surgical cutter, particularly a kind of disposable safe operating knife of band blade protective sleeve.
Background technology
Scalpel is to carry out operating indispensable instrument.The existing many decades of development of disposable safe operating knife is historical, wherein the improvement of scalpel has also been experienced to many stages, the design and development of scalpel just progressively moves to maturity at present, but in the development course of scalpel, the safety of use and convenience are the focus that those skilled in the art pay close attention to all the time.
With the immediate prior art of the present invention be Chinese patent CN2621611Y, name is called the utility model patent of < < card-locked type disposable safe scalpel > >.Referring to this patent, scalpel is comprised of blade, handle of a knife and broach shell, establishes button and tapered end on broach shell, and knife-protecting lock port is established in the slideway front portion on handle of a knife, and rear portion is if with fore shaft, and button push tapered end makes broach shell at knife-protecting lock port and uses the conversion of sliding between fore shaft two positions.Be characterized in: this technical scheme has designed a kind of locking port that can locked broach shell in knife-protecting lock port front portion, scalpel can be pinned button after using and first broach shell is pushed to and protect cutter position from open position, then be pushed into locking position broach shell is locked on handle of a knife, can not again open and reuse, become " disposable " scalpel truly, thoroughly solved the safety problem that protective-cover type scalpel is left in the past.
But find in actual applications, still there is design defect in above-mentioned patented technology scheme, to use, makes troubles, and even leaves potential safety hazard.The first, this scalpel is under original state, and broach shell is in protecting cutter position, if user is pinned after button when maloperation pushes broach shell forward, just scalpel is not yet used and enters locking position, thereby loses follow-up using state; The second, when broach shell is after locking position, if pin button, continue firmly to push and easily make broach shell from the slippage of handle of a knife front end forward, thereby lose the protection of blade.
For this reason, the safety that the present invention uses from scalpel and convenience angle are started with above-mentioned prior art are improved, the defect existing to overcome prior art.
Summary of the invention
In view of the shortcoming of above prior art, the invention provides a kind of disposable safe scalpel, its objective is and will solve above-mentioned convenience and the safety issue existing in prior art use that approach most.Wherein, the first object is to solve the locked problem of the relative handle of a knife maloperation of broach shell, and the second object is the problem that solves the relative handle of a knife slippage of broach shell.
For achieving the above object, the technical solution used in the present invention is: a kind of disposable safe scalpel, by blade, handle of a knife and broach shell, formed, blade is fixed on handle of a knife front portion, broach shell is enclosed within the anterior slide mechanism that also passes through of handle of a knife and is connected with a detent mechanism and handle of a knife front portion, when sliding and locating before and after the relative handle of a knife of broach shell, blade presents and stretches out and retraction two states from broach shell front opening.
Described detent mechanism has button, tapered end, knife-protecting lock port, reveal cutter fore shaft and through slot, wherein, through slot is located on handle of a knife and along handle of a knife length direction and arranges, through slot connects between the front of handle of a knife thickness direction and reverse side, knife-protecting lock port is located in the through slot front position of handle of a knife reverse side, revealing cutter fore shaft is located on the through slot back-end location of handle of a knife reverse side, button and tapered end are all located on broach shell, wherein, button is positioned at the front of broach shell thickness direction, tapered end is positioned at the reverse side of broach shell thickness direction, button and tapered end are respectively extended resilient arm structure on broach shell, button is provided with rams, under broach shell and handle of a knife suit state, described raming offsets or approaches through through slot and the tapered end that is positioned at handle of a knife reverse side from handle of a knife is positive, when the relative broach shell of blade presents while stretching out state, tapered end snaps in and reveals position and lock in cutter fore shaft, when the relative broach shell of blade presents retracted mode, tapered end snaps in position and lock in knife-protecting lock port, when pressing and promoting button, ram and promote tapered end disengaging dew cutter fore shaft or knife-protecting lock port, and revealing slip conversion between cutter fore shaft and knife-protecting lock port two positions.
Knife-protecting lock port the place ahead at handle of a knife reverse side arranges the first locking port, this first locking port is concave shaped cavity structure and is used for coordinating with tapered end, the concave shaped cavity of the first locking port has the first leading flank and the first trailing flank, the first leading flank and the first trailing flank are all perpendicular to handle of a knife length direction, between knife-protecting lock port and the first locking port, by inclined-plane or arc surface, carry out transition, the direction of inclined-plane or arc surface and position are conducive to tapered end and slide onto the first locking port from knife-protecting lock port.
Positive at handle of a knife, the position of corresponding reverse side the first locking port arranges the second locking port, this the second locking port is positioned at the place ahead of handle of a knife front through slot, the second locking port is concave shaped cavity structure and is used for coordinating with raming, the concave shaped cavity of the second locking port has the second leading flank and the second trailing flank, the second leading flank, perpendicular to handle of a knife length direction, is provided with stopper between the front end of handle of a knife front through slot and the second locking port, this stopper near the lateral vertical of through slot in handle of a knife length direction.
At button, under pressed state, while promoting broach shell forward by button, raming is blocked piece and tackles and cannot slide onto the second locking port from through slot front end simultaneously; At button under free state, when pulling forward or promoting broach shell, connect the elastic arm outwardly-bent distortion simultaneously of raming with tapered end, wherein, ram and in handle of a knife front, dodge stopper and slide onto the second locking port from through slot front end, simultaneously tapered end at handle of a knife reverse side from knife-protecting lock port through inclined-plane or arc surface slide onto the first locking port, form locking state.
Related content in technique scheme is explained as follows:
1. in such scheme, described " front portion ", " front end ", " front and back ", " the place ahead ", " leading flank ", " front " in " forward " refer to usings scalpel integral body of the present invention as the direction with reference to point of a knife indication." afterwards " in described " rear end ", " front and back ", " trailing flank " refers to the opposite direction of " front ".
2. in such scheme, described " front " refers to that to using scalpel of the present invention whole as with reference to the residing side of button." reverse side " refers to one side contrary to the positive.Front to reverse side is the thickness direction of scalpel.The front and back of scalpel are length directions.What the present invention's diagram provided is right hand holding scalpel, and after gripping with the right hand, the lucky operation of nature of thumb is in button.Left-handed formula scalpel and right hand holding scalpel be take centrage as benchmark symmetry on left and right directions.The front of left-handed formula scalpel is still the residing side of button.
3. in such scheme, described " position and lock " refers to the temporary transient locked not slidable state of the relative handle of a knife of broach shell, and state can pressing button unlocks.Described " locking state " is different from position and lock, and locking state refers to the permanent blocked state of the relative handle of a knife of broach shell, and this state is permanent locking, only has by destroying and could remove locking state.
4. in such scheme, described slide mechanism is coordinated and forms with broach shell inner edge by the anterior outer rim of handle of a knife, and wherein, the obverse and reverse of handle of a knife front portion is equipped with convex tendon along its length, broach shell inner edge is to being provided with groove by convex tendon, and convex tendon and groove fit form sliding guide mechanism.
Design principle of the present invention and effect are: the present invention relates to a kind of blade bearing and handle of a knife is the disposable safe scalpel of integral type syndeton and band blade protective sleeve (broach shell).In order to solve the problem of the locked and relative handle of a knife slippage of broach shell of the relative handle of a knife maloperation of broach shell, the present invention arranges the first locking port simultaneously in knife-protecting lock port the place ahead of handle of a knife reverse side, in the place ahead of handle of a knife front through slot, the second locking port and stopper are set.Like this at button under pressed state, while promoting broach shell forward by button simultaneously, the elastic arm of raming due to connection can not carry out flexural deformation under pressed state, so cause raming, is blocked piece and tackles and cannot slide onto the second locking port from through slot front end.This function and effect can prevent scalpel (broach shell is when protecting cutter position) under original state effectively, and user is pinned after button when maloperation pushes broach shell forward, and scalpel is not yet used the situation that just enters locking state.After scalpel is used, for safety needs only at button under free state, pull forward or promote broach shell, because connection is ramed and the outwardly-bent distortion simultaneously of the elastic arm of tapered end, wherein, ram and in handle of a knife front, dodge stopper and slide onto the second locking port from through slot front end, simultaneously tapered end at handle of a knife reverse side from knife-protecting lock port through inclined-plane or arc surface slide onto the first locking port, form locking state.Under locking state, because raming of handle of a knife front is stuck in the second locking port, the tapered end of handle of a knife reverse side is stuck in the first locking port simultaneously, can there is not the phenomenon of slippage because of the excesssive gap between broach shell and handle of a knife and distortion in stuck state of this two-sided while, thereby guaranteed well the stability of locking state.In addition, the present invention compares with the prior art that approaches most of describing in background technology, has not only solved the problem of the locked and relative handle of a knife slippage of broach shell of broach shell relative handle of a knife maloperation, has improved convenience and safety that scalpel is used, but manufacturing cost is same as the prior art, do not increase.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention disposable safe scalpel front three-dimensional exploded view;
Fig. 2 is embodiment of the present invention disposable safe scalpel reverse side three-dimensional exploded view;
Fig. 3 is the view that the broach shell in the embodiment of the present invention is observed from rear end;
Fig. 4 is the A place enlarged drawing in Fig. 1 of the present invention;
Fig. 5 is the B place enlarged drawing in Fig. 1 of the present invention;
Fig. 6 is the C place enlarged drawing in Fig. 2 of the present invention;
Fig. 7 is the handle of a knife front partial enlarged drawing in the embodiment of the present invention;
Fig. 8 is the handle of a knife reverse side partial enlarged drawing in the embodiment of the present invention;
Fig. 9 is embodiment of the present invention disposable safe scalpel original state axonometric chart;
Figure 10 is embodiment of the present invention disposable safe scalpel using state axonometric chart;
Figure 11 is embodiment of the present invention disposable safe scalpel locking state axonometric chart;
Figure 12 is that embodiment of the present invention disposable safe scalpel is got back to the partial sectional view under original state under original state or after using;
Figure 13 is the partial sectional view of embodiment of the present invention disposable safe scalpel under using state;
Figure 14 is the partial sectional view of embodiment of the present invention disposable safe scalpel under locking state.
Label declaration in above accompanying drawing is as follows:
1. blade; 2. handle of a knife; 3. broach shell; 4. front opening; 5. button; 6. tapered end; 7. knife-protecting lock port; 8. reveal cutter fore shaft; 9. through slot; 10. ram; 11. first locking ports; 12. second locking ports; 13. stoppers; 14. convex tendons; 15. grooves; 16. front elastic arms; 17. reverse side elastic arms; 18. inclined-planes; 19. push buttons.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: a kind of disposable safe scalpel
As Fig. 1 and Fig. 2, this scalpel is comprised of blade 1, handle of a knife 2 and broach shell 3, blade 1 is fixed on handle of a knife 2 front portions, broach shell 3 is enclosed within the anterior slide mechanism that also passes through of handle of a knife 2 and is connected with handle of a knife 2 is anterior with a detent mechanism, when slide and locate in broach shell 3 relative handle of a knife 2 front and back, blade 1 presents and stretches out and retraction two states from broach shell 3 front openings 4.
Described slide mechanism is coordinated and forms with broach shell 3 inner edges by the anterior outer rim of handle of a knife 2, wherein, the obverse and reverse of handle of a knife 2 front portions is equipped with along its length convex tendon 14(and sees Fig. 5-8), broach shell 3 inner edges are shown in Fig. 3 to should convex tendon 14 being provided with groove 15(), convex tendon 14 coordinates with groove 15 and forms sliding guide mechanism.
Described detent mechanism has button 5(and sees Fig. 3,4), tapered end 6(is shown in Fig. 3,4), knife-protecting lock port 7(is shown in Fig. 5-8), reveal cutter fore shaft 8(and see Fig. 7,8,9,11) and through slot 9(see Fig. 5-8), wherein, through slot 9 is located on handle of a knife 2 and arranges along handle of a knife 2 length directions, and through slot 9 connects between the front of handle of a knife 2 thickness directions and reverse side.Knife-protecting lock port 7 is located in through slot 9 front positions of handle of a knife 2 reverse side, reveals cutter fore shaft 8 and is located on through slot 9 back-end locations of handle of a knife 2 reverse side.Button 5 and tapered end 6 are all located on broach shell 3 (sees Fig. 3,4), wherein, button 5 is positioned at the front of broach shell 3 thickness directions, tapered end 6 is positioned at the reverse side of broach shell 3 thickness directions, button 5 and tapered end 6 are respectively extended resilient arm structure on broach shell 3, wherein, button 5 is located at (see figure 4) on the front elastic arm 16 of broach shell 3, and tapered end 6 is located at (see figure 4) on the reverse side elastic arm 17 of broach shell 3.Button 5 is provided with the 10(that rams and sees Fig. 3, 4), under broach shell 3 and handle of a knife 2 suit states, described ram 10 from handle of a knife 2 positive through through slot 9, offset or approach with the tapered end 6 that is positioned at handle of a knife 2 reverse side (see Fig. 3, 4), when the relative broach shell 3 of blade 1 presents (see figure 10) while stretching out state, tapered end 6 snaps in and reveals position and lock in cutter fore shaft 8, (see figure 9) when the relative broach shell 3 of blade 1 presents retracted mode, tapered end 6 snaps in position and lock in knife-protecting lock port 7, when pressing and promoting button 5, the 10 promotion tapered ends 6 of raming depart from and reveal cutter fore shaft 8 or knife-protecting lock port 7, and revealing slip conversion between cutter fore shaft 8 and knife-protecting lock port 7 two positions.
In knife-protecting lock port 7 the place aheads of handle of a knife 2 reverse side, the first locking port 11(is set and sees Fig. 6,8), this first locking port 11 is concave shaped cavity structure and is used for coordinating with tapered end 6, the concave shaped cavity of the first locking port 11 has the first leading flank and the first trailing flank, the first leading flank and the first trailing flank are all perpendicular to handle of a knife 2 length directions, between knife-protecting lock port 7 and the first locking port 11, by inclined-plane 18(, see Fig. 6) or arc surface carry out transition, the direction of inclined-plane 18 or arc surface and position are conducive to tapered end 6 and slide onto the first locking port 11 from knife-protecting lock port 7.
In handle of a knife 2 fronts, the position of corresponding reverse side the first locking port 11 arranges the second locking port 12(and sees Fig. 5,7), this the second locking port 12 is positioned at the place ahead of handle of a knife 2 front through slots 9, the second locking port 12 is for concave shaped cavity structure and be used for 10 coordinating with raming, the concave shaped cavity of the second locking port 12 has the second leading flank and the second trailing flank, the second leading flank is perpendicular to handle of a knife 2 length directions, between the front end of handle of a knife 2 front through slots 9 and the second locking port 12, be provided with stopper 13(and see Fig. 5), this stopper 13 near the lateral vertical of through slot 9 in handle of a knife 2 length directions.
The use procedure of the present embodiment disposable safe scalpel is described below:
The first, original state before scalpel is used
Fig. 9 and Figure 12 represent this state.As can be seen from Figure 12, under this state, tapered end 6 snaps in knife-protecting lock port 7, makes the relative handle of a knife 2 of broach shell 3 in position and lock state.If want to open broach shell 3, must pin the button 5 10 promotion tapered ends 6 that make to ram and depart from knife-protecting lock ports 7, then could promote backward button 5 and drive the relative handle of a knife 2 of broach shell 3 to slide backward.Now, if operator pins after button 5, while pushing forward broach shell 3 generation maloperation, with regard to the prior art of describing in background technology, just will inevitably make scalpel enter locking state when not yet using.And for the present invention, at button 5 under pressed state, if push forward broach shell 3, owing to raming, 10 be blocked piece 13 and tackle and cannot slide onto the second locking port 12 from through slot 9 front ends, i.e. can there is not the above-mentioned situation that causes scalpel to lose efficacy in advance by maloperation in the present invention.So the present invention, under this state, also can only open the operation of broach shell 3 if pin button 5.
The second, scalpel using state
Figure 10 and Figure 13 represent this state.This state is on original state basis, to pin button 5 and promote backward button 5 to make the relative handle of a knife 2 of broach shell 3 slide backwards on position, rear end and obtain.As can be seen from Figure 13, under this state, tapered end 6 snaps in and reveals in cutter fore shaft 8, makes the relative handle of a knife 2 of broach shell 3 in position and lock state, and blade 1 stretches out from the front opening of broach shell 3, is exposed to outer in using state.
The 3rd, closed condition after scalpel is used
Fig. 9 and Figure 12 represent this state.This state is on using state basis, to pin button 5 and push forward button 5 to make the relative handle of a knife 2 of broach shell 3 slide into forward front end position and obtain.As can be seen from Figure 12, under this state, tapered end 6 snaps in knife-protecting lock port 7, makes the relative handle of a knife 2 of broach shell 3 in position and lock state.
The 4th, locking state after scalpel is used
Figure 11 and Figure 14 represent this state.This state is by above-mentioned closed condition transition, specifically: decontrol button 5, at button 5 under free state, by push button, 19(is shown in Figure 11) push forward broach shell 3, or when pinching broach shell 3 and pull broach shell 3 forward with hands, connect and to ram 10 front elastic arm 16 and to be connected the reverse side elastic arm 17 outwardly-bent distortion of while of tapered end 6, wherein, ram and 10 in handle of a knife 2 fronts, dodge stopper 13 and slide onto the second locking port 12 from through slot 9 front ends, simultaneously tapered end 6 at handle of a knife 2 reverse side from knife-protecting lock port 7 through inclined-plane 18 or arc surface slide onto the first locking port 11, form locking state.It is interior in protected state that this state bottom knife 1 is hidden in broach shell 3, and operator can not again open broach shell 3 and use scalpels.
Under locking state, because raming of handle of a knife 2 fronts is 10 stuck in the second locking port 12, the tapered end 6 of handle of a knife 2 reverse side is stuck in the first locking port 11 simultaneously, the phenomenon that stuck state of this two-sided while can slippage not occur because of the excesssive gap between broach shell 3 and handle of a knife 2 and distortion, thus the stability of locking state guaranteed well.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that spirit is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (2)
1. a disposable safe scalpel, by blade (1), handle of a knife (2) and broach shell (3), formed, blade (1) is fixed on handle of a knife (2) front portion, broach shell (3) is enclosed within the anterior slide mechanism that also passes through of handle of a knife (2) and is connected with a detent mechanism and handle of a knife (2) front portion, when sliding and locating before and after the relative handle of a knife (2) of broach shell (3), blade (1) presents and stretches out and retraction two states from broach shell (3) front opening (4);
Described detent mechanism has button (5), tapered end (6), knife-protecting lock port (7), reveal cutter fore shaft (8) and through slot (9), wherein, through slot (9) is located at handle of a knife (2) above and arranges along handle of a knife (2) length direction, through slot (9) connects between the front of handle of a knife (2) thickness direction and reverse side, knife-protecting lock port (7) is located in through slot (9) front position of handle of a knife (2) reverse side, revealing cutter fore shaft (8) is located on through slot (9) back-end location of handle of a knife (2) reverse side, button (5) and tapered end (6) are all located on broach shell (3), wherein, button (5) is positioned at the front of broach shell (3) thickness direction, tapered end (6) is positioned at the reverse side of broach shell (3) thickness direction, button (5) and tapered end (6) are respectively the upper extended resilient arm structure of broach shell (3), button (5) is provided with ram (10), under broach shell (3) and handle of a knife (2) suit state, described raming (10) offsets or approaches through through slot (9) and the tapered end (6) that is positioned at handle of a knife (2) reverse side from handle of a knife (2) is positive, when blade (1) relatively broach shell (3) present while stretching out state, tapered end (6) snaps in and reveals position and lock in cutter fore shaft (8), when the relative broach shell (3) of blade (1) presents retracted mode, tapered end (6) snaps in position and lock in knife-protecting lock port (7), when pressing and promoting button (5), (10) the promotion tapered ends (6) of raming depart from and reveal cutter fore shaft (8) or knife-protecting lock port (7), and revealing slip conversion between cutter fore shaft (8) and knife-protecting lock port (7) two positions,
It is characterized in that:
Knife-protecting lock port (7) the place ahead at handle of a knife (2) reverse side arranges the first locking port (11), this first locking port (11) is concave shaped cavity structure and is used for coordinating with tapered end (6), the concave shaped cavity of the first locking port (11) has the first leading flank and the first trailing flank, the first leading flank and the first trailing flank are all perpendicular to handle of a knife (2) length direction, between knife-protecting lock port (7) and the first locking port (11), by inclined-plane (18) or arc surface, carry out transition, the direction of inclined-plane (18) or arc surface and position are conducive to tapered end (6) and slide onto the first locking port (11) from knife-protecting lock port (7),
In handle of a knife (2) front, the position of corresponding reverse side the first locking port (11) arranges the second locking port (12), this the second locking port (12) is positioned at the place ahead of handle of a knife (2) front through slot (9), the second locking port (12) is concave shaped cavity structure and is used for coordinating with ram (10), the concave shaped cavity of the second locking port (12) has the second leading flank and the second trailing flank, the second leading flank is perpendicular to handle of a knife (2) length direction, between the front end of handle of a knife (2) front through slot (9) and the second locking port (12), be provided with stopper (13), the lateral vertical of the close through slot (9) of this stopper (13) is in handle of a knife (2) length direction,
At button (5), under pressed state, while promoting forward broach shell (3) by button (5), ram (10) are blocked piece (13) and tackle and cannot slide onto the second locking port (12) from through slot (9) front end simultaneously; At button (5) under free state, when pulling forward or promoting broach shell (3), connect and to ram (10) and the elastic arm outwardly-bent distortion of while of tapered end (6), wherein, ram (10) in handle of a knife (2) front, dodge stopper (13) and slide onto the second locking port (12) from through slot (9) front end, tapered end (6) slides onto the first locking port (11) through inclined-plane (18) or arc surface from knife-protecting lock port (7) at handle of a knife (2) reverse side simultaneously, forms locking state.
2. disposable safe scalpel according to claim 1, it is characterized in that: described slide mechanism coordinates formation by the anterior outer rim of handle of a knife (2) with broach shell (3) inner edge, wherein, the anterior obverse and reverse of handle of a knife (2) is equipped with convex tendon (14) along its length, broach shell (3) inner edge is to being provided with groove (15) by convex tendon (14), and convex tendon (14) coordinates formation sliding guide mechanism with groove (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228377.2A CN103976776B (en) | 2014-05-27 | 2014-05-27 | Disposable safe scalpel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228377.2A CN103976776B (en) | 2014-05-27 | 2014-05-27 | Disposable safe scalpel |
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| CN103976776B CN103976776B (en) | 2016-03-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236201A (en) * | 2016-09-13 | 2016-12-21 | 苏州施莱医疗器械有限公司 | Sheath type disposable safe scalpel |
| CN107928752A (en) * | 2017-12-23 | 2018-04-20 | 尹月月 | Ultrasonic surgical blades with disposable cutter head |
| CN109674514A (en) * | 2019-01-31 | 2019-04-26 | 永岳医疗科技(昆山)有限公司 | One-handed performance safety scalpel |
-
2014
- 2014-05-27 CN CN201410228377.2A patent/CN103976776B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236201A (en) * | 2016-09-13 | 2016-12-21 | 苏州施莱医疗器械有限公司 | Sheath type disposable safe scalpel |
| WO2018050048A1 (en) * | 2016-09-13 | 2018-03-22 | 苏州施莱医疗器械有限公司 | Disposable shielded safety surgical scalpel |
| CN106236201B (en) * | 2016-09-13 | 2018-09-14 | 苏州施莱医疗器械有限公司 | Sheath type disposable safe scalpel |
| US10779853B2 (en) | 2016-09-13 | 2020-09-22 | Sterilance Medical (Suzhou) Inc. | Sheath type disposable safety scalpel |
| CN107928752A (en) * | 2017-12-23 | 2018-04-20 | 尹月月 | Ultrasonic surgical blades with disposable cutter head |
| CN107928752B (en) * | 2017-12-23 | 2024-02-27 | 博思研生物技术(苏州)有限公司 | Surgical ultrasonic knife with disposable knife head |
| CN109674514A (en) * | 2019-01-31 | 2019-04-26 | 永岳医疗科技(昆山)有限公司 | One-handed performance safety scalpel |
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| Publication number | Publication date |
|---|---|
| CN103976776B (en) | 2016-03-02 |
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