CN101642383B - Safe scalpel with assembled steel handle - Google Patents
Safe scalpel with assembled steel handle Download PDFInfo
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- CN101642383B CN101642383B CN 200910034074 CN200910034074A CN101642383B CN 101642383 B CN101642383 B CN 101642383B CN 200910034074 CN200910034074 CN 200910034074 CN 200910034074 A CN200910034074 A CN 200910034074A CN 101642383 B CN101642383 B CN 101642383B
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- steel handle
- cutter hub
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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
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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
- A61B2017/32113—Surgical scalpels, knives; Accessories therefor with extendable or retractable guard or blade
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Abstract
The invention relates to a safe scalpel with an assembled steel handle, comprising a guarded scalpel assembly and the steel handle, wherein the guarded scalpel assembly comprises a scalpel blade, a scalpel loading body, a scalpel sleeve and a safety latch, the scalpel blade is fixed in the front of the scalpel loading body, the scalpel sleeve is sleeved on the scalpel loading body in a sliding mode, and the safety latch is connected to the scalpel loading body in a sliding mode. Before the scalpel is used, the guarded scalpel assembly is firstly inserted into the steel handle and is connected with a tache by an inserting structure, then, a button arranged on the scalpel sleeve is pressed by a thumb to pull the scalpel sleeve from a first valve to the end backwards and is locked to a second valve, the safety latch is driven by the scalpel sleeve and inserted into a groove of the steel handle, so a tache connecting structure is in a protection state and can not be separated, and the scalpel blade can be exposed to use at the moment. In order to prevent the damage of medical personnel by the scalpel blade in an operation process, the scalpel sleeve is pushed to the first valve by pressing the button. After safe scalpel with the assembled steel handle is used, the scalpel sleeve is pushed to a death valve forwards by pressing the button, the safety latch retreats from the groove in order to relieve protection simultaneously, and the guarded scalpel body assembly can be disassembled by pressing the button on the steel handle. Because the guarded scalpel assembly can not be used again after being self-locked, the safe scalpel with the assembled steel handle thoroughly eliminates the potential safety hazards of the prior scalpel with a steel handle.
Description
Technical field
The present invention relates to the medical surgical scalpel, be particularly related to a kind of safe scalpel with assembled steel handle, this scalpel not only has the characteristics of steel handle loading and unloading, the more important thing is that the scalpel that can guarantee to be assemblied on the steel handle lost efficacy after disposable use, gets rid of the probability that reuses.
Background technology
Traditional shaped steel handle scalpel is the earliest used the history in a century in surgical operation.Steel handle scalpel is made up of steel handle and blade two parts, and the steel negative winding stem is provided with draw-in groove, and blade is provided with slotted hole, will connect and fix and can use in the insertion of the slotted hole on the blade draw-in groove during assembling.This scalpel structure is simple, and clamping is solid and reliable, but shortcoming is blade loading and unloading difficulties, hinders hands in the use easily, and particularly disposable safety is relatively poor.
Along with medical level improves constantly, people to safety that scalpel brought understanding also in continuous intensification, the safety outstanding behaviours of surgical knife aspect following three, the firstth, the disposable safety of scalpel; The secondth, the safety that medical personnel transmit scalpel in the operation, (causing communicate illness because of accidentally injuring hand or human body accidentally when medical personnel transmit mutually in the operation); The 3rd is the safety (the discarded back of scalpel is not because blade has the safety problem that any protection brings) after scalpel is discarded.Therefore, applying safe operating knife is the safely active measure of prevention.US 5938676, US 5919201 and US 6053929 disclose the United States Patent (USP) of U.S. company BD (Becton Dickinson and Company) " surgical knife ".The steel handle of this surgical knife and protect the characteristics that have loading and unloading between the cutter hub molectron, the steel handle can be reused, and protect the cutter hub molectron is disposable use, in addition, the blade peripheral hardware is in respect of protecting broach shell, open during use and protect broach shell, put after the use and protect broach shell, for transmission scalpel and postoperative garbage in the operation provide safety guarantee.Even but the greatest drawback that this design exists is to protect the cutter hub molectron as disposable product, fundamentally thoroughly do not solve reusable once more problem yet, in other words, this did not lose efficacy on function after protecting the disposable use of cutter hub molectron, can be assembled to once more on the steel handle and reuse.Therefore, how thoroughly addressing this problem is the problem that the present invention studies.
Summary of the invention
The invention provides a kind of safe scalpel with assembled steel handle, be intended to solve and point out the disposable reusable problem of cutter hub molectron of protecting in the above-mentioned background technology.The cutter hub molectron of protecting of scalpel of the present invention uses back in a single day disassembling from the steel handle just to enter the self-locking failure state, has got rid of the probability that reuses, and has thoroughly eliminated the potential safety hazard that existing steel handle scalpel is left over.
For achieving the above object, the technical solution used in the present invention is: a kind of safe scalpel with assembled steel handle, and by protecting the cutter hub molectron and steel handle two parts are formed, the described cutter hub molectron of protecting is made up of knife blade, dress cutter hub, broach shell and safety latch;
The dress cutter hub is the strip structure part, and knife blade is fixed on dress cutter hub front portion, and the broach shell slip cap is contained on the cutter hub, and the safety latch main body is the draw runner structure and is slidingly connected on the dress cutter hub;
The steel handle is one can load and unload the blade holder that cooperates with protecting the cutter hub molectron, and steel handle front portion is provided with second connected structure, and corresponding second connected structure is provided with first connected structure at dress cutter hub rear portion, and first connected structure cooperates with the second connected structure plug-in mounting; The steel handle is provided with the elastic hook structure, this elastic hook structure mainly is made up of snap-fastener, alignment pin, spring, snap-fastener is a lever, one end of lever is provided with second coupler body, the fulcrum place of lever is rotatably connected on the steel handle by alignment pin, spring action is in the lever other end, and corresponding second coupler body is provided with first coupler body in dress cutter hub rear end, and first coupler body and the mutual hook of second coupler body were stung the formation latch-up structure when dress cutter hub cooperated with steel handle plug-in mounting; The steel handle is provided with groove, this groove is positioned on the motion path of second coupler body release unhook, respective slot is provided with the door bolt head in the safety latch rear end, and door bolt head inserts a groove and stops second coupler body to do the release motion of breaking off relations, and prevents the safety protection structure that breaks away between dress cutter hub and the steel handle thereby form;
Cooperatively interact by a slide locating mechanism between broach shell and the dress cutter hub, the relative broach shell front opening of knife blade is exposes and the hiding two states of withdrawing, simultaneously, cooperatively interact by a link gear between broach shell and the safety latch, groove on the relative steel handle of door bolt head of safety latch is inserts and withdraw from two states;
Described slide locating mechanism is cooperated by button on being located at the button sliding tray of dress on the cutter hub and being located at broach shell and tapered end and constitutes, the button sliding tray is arranged at the length direction of dress cutter hub upper edge strip structure part, the button sliding tray is provided with first valve, second valve and dead door, dead door is positioned at the front end of button sliding tray, and constitute by the set obstacle body of the inboard correspondence position of button sliding tray, second valve is positioned at the rear end of button sliding tray, and constitute by the set breach of the inboard correspondence position of button sliding tray, first valve is between the dead door and second valve and on the position near dead door, and first valve also is made of the set breach of the inboard correspondence position of button sliding tray; Button and tapered end are positive and extended two resilient arm structure of broach shell reverse side of broach shell, and under confined state, the effect end of button and the effect end of tapered end all are arranged in the button sliding tray and arrange face-to-face; When tapered end is positioned at first valve, the effect end of tapered end falls into the breach of first valve, the relative knife blade of broach shell is positioned at the withdrawal hidden state, pressing button forces the effect end of tapered end to break away from the breach of first valve under this state, acts on button this moment tapered end is moved to second valve or dead door direction with broach shell; When tapered end moves to second valve, the effect end of tapered end falls into the breach of second valve, the relative knife blade of broach shell is positioned at exposes state, pressing button forces the effect end of tapered end to break away from the breach of second valve under this state, act on button this moment can make tapered end move to the first valve direction with broach shell, when tapered end moves to dead when door from first valve,, the obstacle body on the dead door makes broach shell adorn cutter hub relatively to form locking state because stoping button to act on tapered end;
Described link gear by be located on the broach shell the push-and-pull muscle be located at safety latch on first the door bolt protruding and second the door bolt constitute protruding the cooperation, the push-and-pull muscle is to fasten with a bolt or latch protruding at first on the broach shell and the protruding set active role portion of second door bolt, this active role portion moves with broach shell, first the door bolt protruding and second the door bolt protruding be at the set slaved operation portion of push-and-pull muscle on the safety latch, wherein first door bolt is convexly equipped with on the forward position of safety latch main body draw runner structure, and second door bolt is convexly equipped with on portion of the portion position of safety latch main body draw runner structure; When the tapered end on the broach shell when first valve moves to second valve; the push-and-pull muscle is done orthokinetic by the protruding drive safety latch of second door bolt; finally make the door bolt head of safety latch rear end insert groove; when tapered end when second valve moves to first valve; the push-and-pull muscle is protruding mobile between protruding with second door bolt at first door bolt; when tapered end moves to dead when door from first valve; the push-and-pull muscle is done orthokinetic by the protruding drive safety latch of first door bolt; finally make the door bolt head of safety latch rear end withdraw from groove, thereby remove the safety protection structure between dress cutter hub and the steel handle.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described " front end " is meant member position towards the knife blade direction under the whole confined state of safe scalpel with assembled steel handle, and " rear end " is meant towards the position of steel handle direction.Described " front portion " is meant member position towards the knife blade direction under the whole confined state of safe scalpel with assembled steel handle, and " rear portion " is meant towards the position of steel handle direction.
2, in the such scheme, described first connected structure and second connected structure are meant two structure and the structures that have the grafting mating feature each other, such as, in the two, one are provided with guiding rib, and another person is provided with gathering sill, and guiding rib was pegged graft with gathering sill and cooperated when plug-in mounting cooperated.
3, in the such scheme, dead door is made of the set obstacle body of the inboard correspondence position of button sliding tray, and wherein, the obstacle body comprises following two kinds of forms:
(1) the obstacle body is a convex shoulder, and when button and tapered end were positioned at dead door, convex shoulder stopped that the effect end of button acts on the effect end of tapered end.
(2) the obstacle body is a shaping piece, and when button and tapered end were positioned at dead door, shaping piece was separated button and tapered end, makes the effect end that the effect end of button can't the striking tapered end.
4, in the such scheme, for being slided on the dress cutter hub, safety latch locatees, on the dress cutter hub, be provided with a slide rail at safety latch, the main body draw runner structure of safety latch is located on the slide rail, main body draw runner structure both sides are respectively equipped with flaky door bolt folder and cooperate with the clamping of slide rail side, the medial surface of door bolt folder is provided with recess, slide rail side corresponding recess is provided with first convex tendon and second convex tendon, first convex tendon is positioned on the position of the first valve correspondence, second convex tendon is positioned on the position of the second valve correspondence, recess cooperates with first convex tendon and second convex tendon, makes the relative slide rail of safety latch location.
Operation principle of the present invention and effect are: the present invention is by protecting the cutter hub molectron and steel handle two parts are formed safe scalpel with assembled steel handle; to be inserted on the steel handle and connect protecting the cutter hub molectron earlier before the use by fastener; pinning button on the broach shell with thumb then pulls back into the end with broach shell from first valve and is locked on the second valve position; safety latch drives the groove that inserts the steel handle by broach shell makes the fastener syndeton be in guard mode, and knife blade exposed and can use this moment.In the operation process in order to prevent that blade injury medical personnel from can pin button broach shell is pushed into first valve forward.Pin button after the use broach shell is pushed into dead door forward, safety latch withdraws from groove de-preservation state simultaneously, pins snap-fastener on the steel handle and can unload and protect the cutter hub molectron, owing to protect the cutter hub molectron self-locking has taken place this moment, can't reuse.From above principle and operating process as can be seen; the present invention is in use because the cutter hub molectron is protected in the protective effect of safety latch and two body break-offs can not take place the steel handle; just enter the self-locking failure state and protect in a single day to disassemble after the cutter hub molectron is used from the steel handle; got rid of the probability that reuses; thoroughly eliminate the potential safety hazard that existing steel handle scalpel is left over, solved the disposable reusable problem of pointing out in the above-mentioned background technology of cutter hub molectron of protecting.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is steel handle cutaway view of the present invention;
Accompanying drawing 3 is steel handle axonometric chart of the present invention;
Accompanying drawing 4 is snap arrangement figure of the present invention;
Accompanying drawing 5 is adorned the cutter hub axonometric chart for the present invention;
Accompanying drawing 6 is adorned the cutter hub front view for the present invention;
Accompanying drawing 7 is the A-A cutaway view of Fig. 6;
Accompanying drawing 8 is the B-B cutaway view of Fig. 6;
Accompanying drawing 9 is the rearview of Fig. 6;
Accompanying drawing 10 is the C-C cutaway view of Fig. 6;
Accompanying drawing 11 is broach shell axonometric chart of the present invention;
Accompanying drawing 12 is broach shell front view of the present invention;
Accompanying drawing 14 is the D-D cutaway view of Figure 12;
Accompanying drawing 15 is safety latch axonometric chart of the present invention;
Accompanying drawing 16 is safety latch front view of the present invention;
Accompanying drawing 17 is safety latch left view of the present invention;
Accompanying drawing 18 is safety latch upward view of the present invention;
Accompanying drawing 19 is initial state figure of the present invention;
Accompanying drawing 20 is initial state axonometric chart of the present invention;
Accompanying drawing 21 is user mode figure of the present invention;
Accompanying drawing 22 is user mode axonometric chart of the present invention;
Accompanying drawing 23 uses guard mode figure for the present invention;
Accompanying drawing 24 uses the guard mode axonometric chart for the present invention;
Accompanying drawing 25 uses back demolition state diagram for the present invention;
Accompanying drawing 26 uses back demolition state stereogram for the present invention.
In the above accompanying drawing: 1, protect the cutter hub molectron; 2, groove; 3, knife blade; 4, dress cutter hub; 5, broach shell; 6, safety latch; 7, steel handle; 8, snap-fastener; 9, alignment pin; 10, spring; 11, spacer pin; 12, button sliding tray; 13, button; 14, tapered end; 15, first valve; 16, second valve; 17, dead door; 18, convex shoulder; 19, gathering sill; 20, guiding rib; 21, first coupler body; 22, second coupler body; 23, door bolt head; 24, push-and-pull muscle; 25, first door bolt is protruding; 26, second door bolt is protruding; 27, door bolt folder; 28, slide rail; 29, recess; 30, first convex tendon; 31, second convex tendon; 32, dress cutter head.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment: a kind of safe scalpel with assembled steel handle
As shown in Figure 1, this scalpel wherein protects cutter hub molectron 1 and is made up of knife blade 3, dress cutter hub 4, broach shell 5 and safety latch 6 by protecting cutter hub molectron 1 and steel handle 7 two parts are formed.Dress cutter hub 4 is the strip structure part, and knife blade 3 is fixed on dress cutter hub 4 front portions, and broach shell 5 slip caps are contained on the cutter hub 4, and safety latch 6 main bodys are the draw runner structure and are slidingly connected on the dress cutter hub 4.
As Fig. 2, shown in Figure 3, steel handle 7 be one can with protect the blade holder that cutter hub molectron 1 loading and unloading cooperate, steel handle 7 front portions are provided with second connected structure, and corresponding second connected structure is provided with first connected structure at dress cutter hub 4 rear portions, and first connected structure cooperates with the second connected structure plug-in mounting.In the present embodiment, first connected structure is provided with guiding rib 20 (seeing Fig. 5 and Fig. 6), and second connected structure is provided with gathering sill 19 (seeing Fig. 2 and Fig. 3), and guiding rib 20 was pegged graft with gathering sill 19 and cooperated when plug-in mounting cooperated.Also first connected structure and second connected structure can be exchanged.Steel handle 7 is provided with the elastic hook structure, as shown in Figure 1, this elastic hook structure is made up of snap-fastener 8, alignment pin 9, spacer pin 11, spring 10, snap-fastener 8 is a lever, one end of lever is provided with second coupler body, 22 (see figure 4)s, the fulcrum place of lever is rotatably connected on the steel handle 7 by alignment pin 9, and spring 10 acts on the lever other end, the position of spacer pin 11 restrictions second coupler body 22.Corresponding second coupler body 22 is provided with first coupler body 21 (seeing Fig. 5 and Fig. 6) in dress cutter hub 4 rear ends, and first coupler body 21 and second coupler body, 22 mutual hooks were stung and formed latch-up structure (seeing Figure 19) when dress cutter hub 4 cooperated with steel handle 7 plug-in mountings.Steel handle 7 is provided with groove 2 (see figure 2)s; this groove 2 is positioned at (see figure 1) on the motion path that 22 releases of second coupler body break off relations; respective slot 2 is provided with door bolt 23 (seeing Figure 16) in safety latch 6 rear ends; door bolt 23 inserts grooves 2 and stops second coupler body 22 to do the release motion of breaking off relations, and prevents the safety protection structure (seeing Figure 21) that breaks away between dress cutter hub 4 and the steel handle 7 thereby form.
Cooperatively interact by a slide locating mechanism between broach shell 5 and the dress cutter hub 4, knife blade 3 relative broach shell 5 front openings are expose and the hiding two states of withdrawing, simultaneously, cooperatively interact by a link gear between broach shell 5 and the safety latch 6, groove 2 on the door bolt 23 relative steel handle 7 of safety latch 6 is inserts and withdraw from two states.
Described slide locating mechanism cooperates formation by being located at the button sliding tray 12 (seeing Fig. 5 and Fig. 6) of dress on the cutter hub 4 with button 13 and tapered end 14 (seeing Figure 11) on being located at broach shell 5.As Fig. 5～shown in Figure 10, button sliding tray 12 is arranged at the length direction of dress cutter hub 4 upper edge strip structure parts, button sliding tray 12 is provided with first valve 15, second valve 16 and dead door 17, dead door 17 is positioned at the front end of button sliding tray 12, and the obstacle body (convex shoulder 18 or shaping piece) set by button sliding tray 12 inboard correspondence positions constitutes, second valve 16 is positioned at the rear end of button sliding tray 12, and constitute by the set breach of button sliding tray 12 inboard correspondence positions, first valve 15 is between dead door 17 and second valve 16 and near dead 17 position, first valve 15 also is made of the set breach of button sliding tray 12 inboard correspondence positions.As Figure 11～shown in Figure 14, button 13 and tapered end 14 are broach shell 5 positive and extended two resilient arm structure of broach shell 5 reverse side, under confined state, the effect end of button 13 and the effect end of tapered end 14 all are arranged in button sliding tray 12 and arrange (seeing Figure 13) face-to-face.When being positioned at first valve 15, tapered end 14 (sees Figure 19), the effect end of tapered end 14 falls into the breach of first valve 15, broach shell 5 relative knife blades 3 are positioned at the withdrawal hidden state, pressing button 13 forces the effect end of tapered end 14 to break away from the breach of first valve 15 under this state, acts on button 13 this moment tapered end 14 is moved to second valve 16 or dead door 17 directions with broach shell 5.When moving to second valve 16, tapered end 14 (sees Figure 21), the effect end of tapered end 14 falls into the breach of second valve 16, broach shell 5 relative knife blades 3 are positioned at expose state, pressing button 13 forces the effect end of tapered end 14 to break away from the breach of second valve 16 under this state, and act on button 13 this moment can make tapered end 14 move (seeing Figure 23) with broach shell 5 to first valve, 15 directions.When tapered end 14 (seeing Figure 25) when first valve 15 moves to dead door 17 and since the obstacle body (convex shoulder 18 or shaping piece) on the dead door 17 stop button 13 act on tapered end 14 make broach shell 5 relatively dress cutter hubs 4 form locking states.Described obstacle body can be convex shoulder 18, and when button 13 and tapered end 14 were positioned at dead door 17, convex shoulder 18 stopped that the effect end of button 13 acts on the effect end of tapered end 14.Described obstacle body also can be shaping piece, and when button 13 and tapered end 14 were positioned at dead door 17, shaping piece was separated button 13 and tapered end 14, makes the effect end that the effect end of button 13 can't striking tapered end 14.
Described link gear by be located on the broach shell 5 push-and-pull muscle 24 (seeing Figure 11) be located at safety latch 6 on first the door bolt protruding 25 and second the door bolt protruding 26 (seeing Figure 16) cooperate formation, push-and-pull muscle 24 is to fasten protruding 26 set active role portions with a bolt or latch at first door bolt protruding 25 and second on the broach shell 5, this active role portion moves with broach shell 5, first door bolt protruding 25 and second door bolt protruding 26 is at the set slaved operation portion of push-and-pull muscle 24 on the safety latch 6, wherein first door bolt protruding 25 is located on the forward position of safety latch 6 main body draw runner structures, and second door bolt protruding 26 is located on the rear positions of safety latch 6 main body draw runner structures.When the tapered end on the broach shell 5 14 (seeing Figure 21) when first valve 15 moves to second valve 16, push-and-pull muscle 24 drives safety latches 6 by second door bolt protruding 26 and does orthokineticly, finally makes the door bolt 23 of safety latch 6 rear ends insert grooves 2.When tapered end 14 when second valve 16 moves to first valve 15; push-and-pull muscle 24 moves (seeing Figure 23) between first door bolt protruding 25 and second door bolt protruding 26; when tapered end 14 (seeing Figure 25) when first valve 15 moves to dead door 17; push-and-pull muscle 24 drives safety latch 6 by first door bolt protruding 25 and does orthokinetic; finally make the door bolt 23 of safety latch 6 rear ends withdraw from groove 2, thereby remove the safety protection structure between dress cutter hub 4 and the steel handle 7.
Be provided with a slide rail 28 (seeing Fig. 5 and Fig. 6) at safety latch 6 on the described dress cutter hub 4, the main body draw runner structure of safety latch 6 is located on the slide rail 28, main body draw runner structure both sides are respectively equipped with flaky door bolt folder 27 (seeing Figure 16) and cooperate with slide rail 28 side clampings, the medial surface of door bolt folder 27 is provided with recess 29 (seeing Figure 15), slide rail 28 side corresponding recess 29 are provided with first convex tendon 30 and second convex tendon 31 (seeing Fig. 5 and Fig. 6), first convex tendon 30 is positioned on the position of first valve, 15 correspondences, second convex tendon 31 is positioned on the position of second valve, 16 correspondences, recess 29 cooperates with first convex tendon 30 and second convex tendon 31, makes safety latch 6 relative slide rails 28 location.
Below in conjunction with accompanying drawing work process of the present invention and structure function are described:
1, initial state
The present invention is by protecting cutter hub molectron 1 and steel handle 7 two parts are formed, and will sting by pack into steel handle 7, the first coupler bodies 21 and second coupler body, 22 mutual hooks of connected structure protecting cutter hub molectron 1 before using, referring to Figure 19 and Figure 20.At this moment, the tapered end 14 on the broach shell 5 is in first valve, 15 positions on the dress cutter hub 4, and the door bolt folder 27 of safety latch 6 is on first convex tendon 30 of dress cutter hub 4, can not be free to slide phenomenon, the door bolt of safety latch 6 23 groove 2 that do not insert on the steel handle 7.
2, user mode
3, use guard mode
In use; may run into the situation of using scalpel of suspending; this moment is in order to protect blade can not accidentally injure medical personnel; broach shell 5 need be pushed into the temporary protection state forward; this process is: pin button 13 and make tapered end 14 break away from the breach of second valve 16; and pass the breach make tapered end 14 stretch into first valve 15 forward and make broach shell 5 location; this moment, knife blade 3 was withdrawn in the broach shell 5; enter the temporary protection state; and the push-and-pull muscle 24 on the broach shell 5 moves on to first door bolt protruding 25 from protruding 26 positions of second door bolt; but do not spur safety latch 6, the door bolt of safety latch 6 23 still is inserted in the groove 2 of steel handle 7, referring to Figure 23 and Figure 24.Pin the breach that button 14 makes tapered end 14 disengagings first valve 15 as long as reuse scalpel if desired, and pass the breach that makes tapered end 14 stretch into second valve 16 once more backward and locate, knife blade 3 exposed broach shell 5 once more and can use again this moment, moved in circles with this.
4, use back demolition state
If scalpel uses the back to determine not re-use maybe to need to change the blade specification, then need broach shell 5 positions are pushed forward to dead door 17 positions, this process is: when broach shell 5 is positioned at first valve, 15 positions, pinning button 13 makes tapered end 14 break away from the breach of first valve 15, and pass broach shell 5 forward, make tapered end 14 stretch into the dead door of row 17 location, the push-and-pull muscle 24 on the broach shell 5 withdraws from door bolt 23 by the protruding 25 pulling safety latches 6 of first door bolt from the groove 2 of steel handle 7 simultaneously, referring to Figure 25 and Figure 26.Pressing snap-fastener 8 on the steel handle 7 this moment can unload and protect cutter hub molectron 1.Because that unloads protects in the cutter hub molectron 1, button 13 and tapered end 14 all are in dead door 17 positions, because of the barrier effect button 13 of convex shoulder 18 or shaping piece can't striking to tapered end 14, lost holding function, make broach shell 5 dress cutter hub 4 formation locking states relatively, perhaps be referred to as " self-locking state ", promptly can not reuse, knife blade 3 is hidden in the broach shell 5 and is in a safe condition under this state.This also is another key character of the present invention.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow 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 (5)
1. safe scalpel with assembled steel handle, by protecting cutter hub molectron (1) and steel handle (7) two parts are formed, it is characterized in that: the described cutter hub molectron (1) of protecting is made up of knife blade (3), dress cutter hub (4), broach shell (5) and safety latch (6);
Dress cutter hub (4) is the strip structure part, and knife blade (3) is fixed on dress cutter hub (4) front portion, and broach shell (5) slip cap is contained on the cutter hub (4), and safety latch (6) main body is the draw runner structure and is slidingly connected on the dress cutter hub (4);
Steel handle (7) be one can with protect the blade holder that cutter hub molectron (1) loading and unloading cooperate, steel handle (7) front portion is provided with second connected structure, corresponding second connected structure is provided with first connected structure at dress cutter hub (4) rear portion, and first connected structure cooperates with the second connected structure plug-in mounting; Steel handle (7) is provided with the elastic hook structure, this elastic hook structure mainly is made up of snap-fastener (8), alignment pin (9), spring (10), snap-fastener (8) is a lever, one end of lever is provided with second coupler body (22), the fulcrum place of lever is rotatably connected on the steel handle (7) by alignment pin (9), spring (10) acts on the lever other end, corresponding second coupler body (22) is provided with first coupler body (21) in dress cutter hub (4) rear end, dress cutter hub (4) and steel handle (7) when plug-in mounting cooperates first coupler body (21) and the mutual hook of second coupler body (22) sting the formation latch-up structure; Steel handle (7) is provided with groove (2), this groove (2) is positioned on the motion path of second coupler body (22) release unhook, respective slot (2) is provided with door bolt head (23) in safety latch (6) rear end, door bolt head (23) inserts grooves (2) and stops second coupler bodies (22) to do the release motion of breaking off relations, and prevents the safety protection structure that breaks away between dress cutter hub (4) and the steel handle (7) thereby form;
Cooperatively interact by a slide locating mechanism between broach shell (5) and the dress cutter hub (4), relative broach shell (5) front opening of knife blade (3) is exposes and the hiding two states of withdrawing, simultaneously, cooperatively interact by a link gear between broach shell (5) and the safety latch (6), the door bolt head (23) that makes safety latch (6) the relatively groove (2) on the steel handle (7) is and inserts and withdraw from two states;
Described slide locating mechanism cooperates formation by the button sliding tray (12) that is located on dress cutter hub (4) with button (13) and tapered end (14) on being located at broach shell (5), button sliding tray (12) is arranged at the length direction of dress cutter hub (4) upper edge strip structure part, button sliding tray (12) is provided with first valve (15), second valve (16) and dead door (17), dead door (17) is positioned at the front end of button sliding tray (12), and the obstacle body set by the inboard correspondence position of button sliding tray (12) constitutes, second valve (16) is positioned at the rear end of button sliding tray (12), and the breach set by the inboard correspondence position of button sliding tray (12) constitutes, first valve (15) is positioned between dead door (17) and second valve (16) and on the position near dead door (17), first valve (15) also is made of the set breach of the inboard correspondence position of button sliding tray (12); Button (13) and tapered end (14) are positive and extended two resilient arm structure of broach shell (5) reverse side of broach shell (5), under confined state, the effect end of the effect end of button (13) and tapered end (14) all is arranged in button sliding tray (12) and arranges face-to-face; When tapered end (14) is positioned at first valve (15), the effect end of tapered end (14) falls into the breach of first valve (15), the relative knife blade (3) of broach shell (5) is positioned at the withdrawal hidden state, the breach that pressing button under this state (13) forces the effect end of tapered end (14) to break away from first valve (15) acts on button (13) this moment tapered end (14) is moved to second valve (16) or dead door (17) direction with broach shell (5); When tapered end (14) moves to second valve (16), the effect end of tapered end (14) falls into the breach of second valve (16), with broach shell (5) relatively knife blade (3) be positioned at and expose state, the breach that pressing button under this state (13) forces the effect end of tapered end (14) to break away from second valve (16), act on button (13) this moment can make tapered end (14) move to first valve (15) direction with broach shell (5), when tapered end (14) when first valve (15) moves to dead door (17) make broach shell (5) adorn cutter hub (4) relatively to form locking state because the obstacle body on the dead door (17) stops button (13) to act on tapered end (14);
Described link gear by be located on the broach shell (5) push-and-pull muscle (24) be located at safety latch (6) on first the door bolt protruding (25) and second the door bolt protruding (26) cooperate formation, push-and-pull muscle (24) is that broach shell (5) is gone up at first door bolt protruding (25) and second door bolt protruding (26) set active role portion, this active role portion moves with broach shell (5), first door bolt protruding (25) and second door bolt protruding (26) are that safety latch (6) is gone up at the set slaved operation portion of push-and-pull muscle (24), wherein first door bolt protruding (25) is located on the forward position of safety latch (6) main body draw runner structure, and second door bolt protruding (26) is located on the rear positions of safety latch (6) main body draw runner structure; When the tapered end (14) on the broach shell (5) when first valve (15) moves to second valve (16); push-and-pull muscle (24) drives safety latch (6) by second door bolt protruding (26) and does orthokinetic; finally make the door bolt head (23) of safety latch (6) rear end insert groove (2); when tapered end (14) when second valve (16) moves to first valve (15); push-and-pull muscle (24) moves between first door bolt protruding (25) and second door bolt protruding (26); when tapered end (14) when first valve (15) moves to dead door (17); push-and-pull muscle (24) drives safety latch (6) by first door bolt protruding (25) and does orthokinetic; finally make the door bolt head (23) of safety latch (6) rear end withdraw from groove (2), thereby remove the safety protection structure between dress cutter hub (4) and the steel handle (7).
2. safe scalpel with assembled steel handle according to claim 1, it is characterized in that: in described first connected structure and second connected structure, one are provided with guiding rib (20), and another person is provided with gathering sill (19), and guiding rib (20) was pegged graft with gathering sill (19) and cooperated when plug-in mounting cooperated.
3. safe scalpel with assembled steel handle according to claim 1, it is characterized in that: described obstacle body is convex shoulder (18), when button (13) and tapered end (14) were positioned at dead door (17), convex shoulder (18) stopped that the effect end of button (13) acts on the effect end of tapered end (14).
4. safe scalpel with assembled steel handle according to claim 1, it is characterized in that: described obstacle body is a shaping piece, when button (13) and tapered end (14) are positioned at dead door (17), shaping piece is separated button (13) and tapered end (14), makes the effect end that the effect end of button (13) can't striking tapered end (14).
5. safe scalpel with assembled steel handle according to claim 1, it is characterized in that: described dress cutter hub (4) is gone up and is provided with a slide rail (28) at safety latch (6), the main body draw runner structure of safety latch (6) is located on the slide rail (28), main body draw runner structure both sides are respectively equipped with flaky door bolt folder (27) and cooperate with slide rail (28) side clamping, the medial surface of door bolt folder (27) is provided with recess (29), slide rail (28) side corresponding recess (29) is provided with first convex tendon (30) and second convex tendon (31), first convex tendon (30) is positioned on the corresponding position of first valve (15), second convex tendon (31) is positioned on the corresponding position of second valve (16), recess (29) cooperates with first convex tendon (30) and second convex tendon (31), makes safety latch (6) slide rail (28) location relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910034074 CN101642383B (en) | 2009-08-20 | 2009-08-20 | Safe scalpel with assembled steel handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910034074 CN101642383B (en) | 2009-08-20 | 2009-08-20 | Safe scalpel with assembled steel handle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101642383A CN101642383A (en) | 2010-02-10 |
| CN101642383B true CN101642383B (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910034074 Expired - Fee Related CN101642383B (en) | 2009-08-20 | 2009-08-20 | Safe scalpel with assembled steel handle |
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| Country | Link |
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| CN (1) | CN101642383B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210604B (en) * | 2010-04-02 | 2013-01-09 | 北京市春立正达医疗器械股份有限公司 | Medical grater |
| CN102835992B (en) * | 2012-09-05 | 2014-09-17 | 苏州施莱医疗器械有限公司 | Disposable scalpel blade assembly and assorted non-disposable scalpel handle |
| CN102871706B (en) | 2012-09-05 | 2015-01-07 | 苏州施莱医疗器械有限公司 | Safe scalpel |
| 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 |
| CN104688302B (en) * | 2015-02-12 | 2017-08-18 | 昆山安卓精密模具有限公司 | A kind of disposable self-destroyed scalpel |
| CN113100884A (en) * | 2021-04-08 | 2021-07-13 | 甘肃省武威肿瘤医院（武威医学科学研究院） | Cervical conization surgical instrument capable of adjusting depth and rotating speed and using method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6629985B1 (en) * | 1999-07-15 | 2003-10-07 | Occupational & Medical Innovations Pty Ltd | Surgical scalpel with retractable guard |
| CN2619591Y (en) * | 2003-03-10 | 2004-06-09 | 施国平 | Shift sleeve type self-locking safety operating knife |
| CN2621611Y (en) * | 2003-05-21 | 2004-06-30 | 施国平 | Locking disposable safety lancet |
| CN100403994C (en) * | 2002-05-27 | 2008-07-23 | 钱倚天 | Protective sheath for surgical knife and blade with protective slide sleeve |
-
2009
- 2009-08-20 CN CN 200910034074 patent/CN101642383B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6629985B1 (en) * | 1999-07-15 | 2003-10-07 | Occupational & Medical Innovations Pty Ltd | Surgical scalpel with retractable guard |
| CN100403994C (en) * | 2002-05-27 | 2008-07-23 | 钱倚天 | Protective sheath for surgical knife and blade with protective slide sleeve |
| CN2619591Y (en) * | 2003-03-10 | 2004-06-09 | 施国平 | Shift sleeve type self-locking safety operating knife |
| CN2621611Y (en) * | 2003-05-21 | 2004-06-30 | 施国平 | Locking disposable safety lancet |
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| Publication number | Publication date |
|---|---|
| CN101642383A (en) | 2010-02-10 |
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