CN202723939U - Disposable safe self-destructive scalpel - Google Patents
Disposable safe self-destructive scalpel Download PDFInfo
- Publication number
- CN202723939U CN202723939U CN 201220313335 CN201220313335U CN202723939U CN 202723939 U CN202723939 U CN 202723939U CN 201220313335 CN201220313335 CN 201220313335 CN 201220313335 U CN201220313335 U CN 201220313335U CN 202723939 U CN202723939 U CN 202723939U
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- Prior art keywords
- location division
- blade
- scalpel
- chute
- destructing
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- Expired - Fee Related
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- 210000002435 tendon Anatomy 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241001515806 Stictis Species 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model belongs to the field of medical instruments, and in particular, relates to a disposable safe self-destructive scalpel. The scalpel comprises a shell and a blade embedded into a blade holder, wherein the blade holder is arranged in a chute of the shell in a sliding mode through an elastic element; the chute is provided with a first positioning part, a second positioning part and a locking button which are capable of positioning the blade in three states of use, standby and scrap sequentially; the locking button is positioned on the side wall of the chute and is close to the second positioning part; and the blade holder is provided with a positioning block matched with the first positioning part and a jacking part matched with the second positioning part. The two positioning parts and the locking button are arranged in the shell, and the positioning block and the jacking part which are matched with each other are arranged on the blade holder, so that the scalpel can be in the three states of use, standby and scrap; during standby, the blade is concealed in the shell, so that the blade is safe and is protected; and during scrap, the blade cannot be pushed out again for use, so that reuse of the blade is avoided.
Description
Technical field
This utility model belongs to field of medical appliances, relates in particular to disposable use safety self-destructing scalpel.
Background technology
Scalpel uses in medical operating in a large number as the indispensable apparatus of surgery, along with medical level improves constantly, people are familiar with also in continuous intensification the safety that scalpel brings, and from security standpoint, adopting the disposable surgical cutter is the most positive measure of prevention potential safety hazard.Yet; though the disposable surgical cutter is disposable medical instrument at present; but be that knife blade by plastic knife handle and all size is assembled substantially; after discarded since blade without any protective measure; exist reusable hidden danger, the use of this scalpel operation or unsafe on the stricti jurise.
Although the disposable surgical cutter that has on the market adopts broach shell protection blade, during use blade is exposed broach shell; after the use blade placed again in the broach shell discardedly again, so, blade is easy to be used again; fundamentally thoroughly do not solve yet again reusable problem, have potential safety hazard.And, owing to except blade and handle of a knife, also needing additionally to make broach shell, increased the cost of manufacture of scalpel, be unfavorable for promoting the use of.
The utility model content
The purpose of this utility model is as overcoming the defective of prior art, and disposable use safety self-destructing scalpel is provided, and is intended to solve in the prior art scalpel and uses operation dangerous, easily the problem of recycling.
The technical solution of the utility model is: disposable use safety self-destructing scalpel, comprise the shell with chute, blade holder and the blade that is embedded in the described blade holder, described blade holder is slided by a flexible member and is located in the described chute, described chute is provided with and can makes described blade be positioned at use, stand-by, scrap the first location division of three states, the second location division and locking press button, described locking press button is positioned on the sidewall of described chute and contiguous described the second location division, described blade holder is provided with the locating piece that cooperates with described the first location division, the top that cooperates with described the second location division.
Further, the afterbody of described blade holder is forked, two fork feet are connected to respectively the relative sidewall of described chute, wherein the afterbody of a fork foot is provided with the upper end and protrudes from outside the sidewall of described chute, is used for promoting the pull switch that described blade holder is slided, the lower end side of described pull switch is outward extended with the described locating piece that can be connected in described the first location division, and the afterbody of an other fork foot is provided with the described top that can support described the second location division.
Further, the top of described pull switch is provided with convex tendon.
Again further, offer the breach that slides for described pull switch on the sidewall of described chute.
Further, described the first location division is formed by inside vertical the stretching out of described chute wall, and surrounds a locating slot with described chute bottom surface.
Particularly, described the second location division radially is convexly equipped with by the sidewall of described chute and forms.
Further, described locking press button is the flexure strip that an end can freely stretch, and it is formed after the cut of the placement of described locking press button by described chute wall, and described flexure strip free end compresses described top.
Again further, be provided with the hook portion of living to connect for described flexible member one end hook on the described blade holder, described shell is provided with the locating dowel that is fixedly connected with for the described flexible member other end.
Further, the front end of described shell is provided with and depends on section.
Particularly, the surface of described shell is provided with anti-skid structure.
The disposable use safety self-destructing scalpel that this utility model provides, by in its shell body, being provided with two location divisions and locking press button, and the locating piece that on blade holder, is equipped with mutually, the top is so that this scalpel can be in use, stand-by and scrap three states, before use, this scalpel is in dormant state, and described the second location division is supported in the top on the blade holder, make blade be hidden in the shell safeguard protection; During use, to front slide, make locating piece on the blade holder be stuck in the first location division of shell with the finger push blade holder, blade is fixed, easy to use; In the time of need scrapping after using, light finger push type broach horse can be retracted blade in the shell again, then applying light locking press button, described top is lifted, the stop that supports that breaks away from described the second location division, and cross described the second location division, from then on the minimum point of top is lower than the peak of the second location division, the second location division can not oppositely be crossed in the top, thereby making blade can not again be pushed out shell uses, avoid reusing of blade, thereby realized " disposable " scalpel truly.
Description of drawings
Fig. 1 is the structural representation of the shell of disposable use safety self-destructing scalpel among this utility model embodiment;
Fig. 2 is the structural representation of the blade holder that blade is housed of disposable use safety self-destructing scalpel among this utility model embodiment;
Fig. 3 is the schematic diagram that disposable use safety self-destructing scalpel is in user mode among this utility model embodiment;
Fig. 4 is the schematic diagram that disposable use safety self-destructing scalpel is in dormant state among this utility model embodiment;
Fig. 5 is the schematic diagram that disposable use safety self-destructing scalpel is in the state of scrapping among this utility model embodiment;
Fig. 6 is the enlarged diagram at the A place among Fig. 1;
Fig. 7 is the enlarged diagram at the B place among Fig. 1;
Fig. 8 is that C among Fig. 2 is to enlarged diagram.
The number in the figure explanation:
1 shell, 111 locating slots
2 blade holder, 112 limiting sections
3 blades, 31 blades
4 flexible members, 21 pull switch
11 first location divisions, 211 locating pieces
12 second location divisions, 212 end faces
13 breach, 22 tops
14 locking press buttons 221 import the inclined-plane
15 locating dowels, 23 hook portion
16 depend on section's 131 rear end faces
17 scales, 213 convex tendons
18 chutes
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining this utility model, and be not used in restriction this utility model.
Such as Fig. 1～shown in Figure 8, a preferred embodiment of the disposable use safety self-destructing scalpel that provides for this utility model.
Disposable use safety self-destructing scalpel in the present embodiment, be usually used in basic surgical operation, the cutting soft tissue, comprise shell 1 and blade 3, shell 1 is plastic parts, described blade 3 is made by metal material, blade 3 is embedded in the anterior of blade holder 2 and exposes blade 31, described blade holder 2 is slided by a flexible member 4 and is located in the chute 18 of described shell 1, described chute 18 is provided with and can makes described blade 3 be positioned at successively use, stand-by, scrap the first location division 11 of three states, the second location division 12 and locking press button 14, described locking press button 14 is positioned on the sidewall of described chute 18 and abuts described the second location division 12, described blade holder 2 is provided with the locating piece 211 that cooperates with described the first location division 11, the top 22 that cooperates with described the second location division 12.As shown in Figure 4, before use, this scalpel is in dormant state, and described the second location division 12 is supported in the top 22 on the blade holder 2, and blade 3 is hidden in the shell 1, makes blade 31 can not scratch medical worker, safeguard protection; As shown in Figure 3, during use, make it to front slide with finger push blade holder 2, when the locating piece 211 on the blade holder 2 is stuck in the first location division 11 of shell 1, can blade 3 is fixing, thus easy to use; As shown in Figure 5, in the time of need scrapping after using, light finger push type broach horse 2 can be retracted blade in the shell again, then the applying light locking press button 14, top 22 is lifted, the stop that supports that breaks away from described the second location division 12, and cross the second location division 12, under the effect of flexible member 4, blade 3 is reduced to the bottom of shell 1 with blade holder 2, from then on the minimum point of top 22 is lower than the peak of the second location division 12, and the second location division 12 can not oppositely be crossed in top 22, uses thereby make blade 3 can not again be pushed out shell 1, reach the purpose of safety self-destruct, avoided reusing of blade 3, guaranteed the safety of using, thereby realized " disposable " scalpel truly.
Further, referring to Fig. 2 and shown in Figure 8, in the present embodiment, the afterbody of described blade holder 2 is forked, two fork feet are connected to respectively the relative two side of described chute 18, wherein the afterbody of a fork foot is provided with the pull switch 21 of the sidewall of the outstanding described chute 18 in upper end, pull switch 21 can promote described blade holder 2 and slide, the lower end side of described pull switch 21 is outward extended with the described locating piece 211 that can be connected in described the first location division 11, is provided with the described top 22 that can support described the second location division 12 on the other fork foot.Like this, when this scalpel was in dormant state, the second location division 12 was supported in the top 22 on the fork foot of blade holder 2, described blade 3 is hidden be contained in the described shell 1; When needs used this scalpel, light finger pressed this pull switch 21 to make whole blade holder 2 to front slide, and locating piece 211 is stuck in was connected in the first location division 11, thereby blade 3 is fixed, and convenient operation uses.
Further, referring to shown in Figure 2, the top of described pull switch 21 is provided with convex tendon 213, and this convex tendon 213 has increased the frictional force of finger contact pull switch 21, be convenient to the medical worker and gently press this pull switch 21, and can be with blade holder 2 along described chute 18 smooth and easy slips.
Again further, referring to shown in Figure 1, the sidewall of described chute 18 offers the breach 13 that slides for described pull switch 21.So, can save the space of described shell 1, reduce the overall dimensions of whole shell 1, so that the structure compact of this scalpel.This breach 13 has a rear end face 131 by rear end, and referring to shown in Figure 2, pull switch 21 afterbodys have an end face 212.Again as shown in Figure 5, in the time of this scalpel need being scrapped, described end face 212 is against described rear end face 131, and the blade holder 2 that makes keeps the distance of a tensioning with the bottom of described shell 1 under the pulling force effect of flexible member 4, and be unlikely to slack and undisciplined, guaranteed that this scalpel is in the stability of the state of scrapping.
Further, described the first location division 11 by described chute 18 inwardly vertical stretching out form and join with described chute 18 bottom surfaces, together surround a locating slot 111, the locating piece 211 that the lower end side of the described pull switch 21 of these locating slot 111 lockables extends outward.The outer rim bottom of described the first location division 11 is curved.When needing to use this scalpel, a light fork foot that this pull switch 21 makes blade holder 2 and the sidewall of described chute 18 of pressing separates, make again this pull switch 21 to front slide, locating piece 211 slides in the locating slot 111 along the arc outer rim of described the first location division 11, unclamp pull switch 21, under the effect of pulling back of flexible member 4, pull switch 21 reverse slide, described locating piece 211 is resisted against the bottom of locating slot 111, thereby with blade 3 stationary positioned, stretch out from the front end of shell 1, expose blade 31, for operation.So, handling safety is simple, and the location is reliable.For making this locating piece 211 be positioned more easily to be provided with limiting section 112 in the place ahead of described locating slot 111 in the described locating slot 111, in the present embodiment, the cross section of limiting section 112 is L-shaped.The outer rim of the bottom of this limiting section 112 and the first location division 11, passage of form.When needing to use this scalpel, pull switch 21, is upwards gently carried pull switch 21 when touching this limiting section 112 along this passage to front slide again, and locating piece 211 is slipped in the described locating slot 111.So, can realize the quick location of described locating piece 211, greatly reduce medical worker's operation easier, save operating time.
Particularly, described the second location division 12 radially is convexly equipped with by the sidewall of described chute 18 and forms, and the forward side on the top 22 is provided with a chamfering, and this chamfering forms one and imports inclined-plane 221.Like this, described the second location division 12 is integrally formed with the sidewall of described chute 18, structural strength is good, when described scalpel is in dormant state, described top 22 is supported this and is convexly equipped with the second location division 12 that forms, and can not be out of shape, thereby blade 3 is contained in the described shell 1 Tibetan reliably, again referring to Fig. 4 and Fig. 2, when this scalpel is scrapped, flicking is positioned at the locking press button 14 on described chute 18 sidewalls, and this locking press button 14 is taken advantage of a situation and compressed this importing inclined-plane 221, thereby easily described top 22 is lifted, and break away from described the second location division 12, so, to the handling safety of scrapping of scalpel, simple and reliable.
Further, described locking press button 14 is a flexure strip, and the one end can freely stretch, and this flexure strip is formed after the cut of the placement of described locking press button 14 by the sidewall of described chute 18, and the free end of this flexure strip is supported described top 22.The sidewall of described flexure strip and described chute 18 is connected as a single entity, do not need to increase extra structure and can realize push button function, exquisiteness simple in structure, when this scalpel is scrapped, only need the described flexure strip of flicking, its free end is bent upwards supports described top 22, top 22 can be lifted, break away from the second location division 12, simple operation.In the actual production, the sensitivity that resets for improving this shell fragment, the sidewall with this position thins usually, makes it the sidewall that thickness is slightly thinner than described chute 18, pressing when being more convenient for operating.
Again further, be provided with hook portion 23 on the described blade holder 2, this hook portion 23 is provided with a circular hole, the neighboring of this circular hole is extended with the edge, be positioned at the forked bottom of described blade holder 2, can hook connection for described flexible member 4, described shell 1 is provided with locating dowel 15, and described locating dowel 15 is cylindric.Described flexible member 4 one ends are provided with hook, and the other end is circular, during actual assembled, can be first the annulus of described flexible member 4 be sheathed on the locating dowel 15, hook the hook portion 23 that blade holder 2 is positioned at forked bottom at the other end with flexible member 4.So, easy to assembly, and connect reliably, whole blade holder 2 is stressed evenly, slides smooth and easy.
Further, described flexible member 4 is extension spring.Described extension spring is working standard spare, is easy to buying, and cheap, is easy to realize batch production.Also can according to the size of blade holder 2, regulate wire diameter, the number of turns or the helical pitch of described extension spring.
Further, the front end of described shell 1 is provided with and depends on section 16.Referring to shown in Figure 1, the section 16 of depending in the present embodiment is arc line shaped, and in use, this depends on the finger butt section 16 a rest power is provided, and is convenient to the medical worker and operates this disposable use safety self-destructing scalpel.
Particularly, the surface of described shell 1 is provided with the anti-skid structure (not shown).In the present embodiment, this anti-skid structure is the thin shape rib on distribution shell 1 surface, and the direction setting that this rib slides along blade holder 2 so, has increased the frictional force of this scalpel of finger manipulation so that the medical worker when operating with reliable and stable.Certainly, also can be set to the salient point form by this anti-skid structure, can reach this effect equally.
As shown in Figure 1, the surface of described shell 1 also is provided with scale 17, and this scale 17 is portrayed in the afterbody of shell 1.Like this, the medical worker can grasp the cutting weight when performing the operation to patient, has alleviated medical worker's work difficulty.
The above only is preferred embodiment of the present utility model; not in order to limit this utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. disposable use safety self-destructing scalpel, comprise the shell with chute, blade holder and the blade that is embedded in the described blade holder, described blade holder is slided by a flexible member and is located in the described chute, it is characterized in that: described chute is provided with and can makes described blade be positioned at use, stand-by, scrap the first location division of three states, the second location division and locking press button, described locking press button is positioned on the sidewall of described chute and contiguous described the second location division, described blade holder is provided with the locating piece that cooperates with described the first location division, the top that cooperates with described the second location division.
2. disposable use safety self-destructing scalpel according to claim 1, it is characterized in that: the afterbody of described blade holder is forked, two fork feet are connected to respectively the relative sidewall of described chute, wherein the afterbody of a fork foot is provided with the upper end and protrudes from outside the sidewall of described chute, is used for promoting the pull switch that described blade holder is slided, the lower end side of described pull switch is outward extended with the described locating piece that can be connected in described the first location division, and the afterbody of an other fork foot is provided with the described top that can support described the second location division.
3. disposable use safety self-destructing scalpel according to claim 2, it is characterized in that: the top of described pull switch is provided with convex tendon.
4. it is characterized in that according to claim 2 or 3 described disposable use safety self-destructing scalpels: offer the breach that slides for described pull switch on the sidewall of described chute.
5. disposable use safety self-destructing scalpel according to claim 1 and 2 is characterized in that: described the first location division by described chute wall inwardly vertical stretching out form, and surround a locating slot with described chute bottom surface.
6. disposable use safety self-destructing scalpel according to claim 1 and 2 is characterized in that: described the second location division radially is convexly equipped with by the sidewall of described chute and forms.
7. disposable use safety self-destructing scalpel according to claim 1, it is characterized in that: described locking press button is the flexure strip that an end can freely stretch, it is formed after the cut of the placement of described locking press button by described chute wall, and described flexure strip free end compresses described top.
8. disposable use safety self-destructing scalpel according to claim 1, it is characterized in that: be provided with the hook portion of living to connect for described flexible member one end hook on the described blade holder, described shell is provided with the locating dowel that is fixedly connected with for the described flexible member other end.
9. disposable use safety self-destructing scalpel according to claim 1, it is characterized in that: the front end of described shell is provided with depends on section.
10. disposable use safety self-destructing scalpel according to claim 1, it is characterized in that: the surface of described shell is provided with anti-skid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313335 CN202723939U (en) | 2012-06-29 | 2012-06-29 | Disposable safe self-destructive scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313335 CN202723939U (en) | 2012-06-29 | 2012-06-29 | Disposable safe self-destructive scalpel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202723939U true CN202723939U (en) | 2013-02-13 |
Family
ID=47649699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220313335 Expired - Fee Related CN202723939U (en) | 2012-06-29 | 2012-06-29 | Disposable safe self-destructive scalpel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202723939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905849A (en) * | 2014-03-13 | 2015-09-16 | 中国人民解放军第二军医大学 | Disposable detachable medical scissors |
| CN109069174A (en) * | 2015-12-21 | 2018-12-21 | 迪迪卡玛有限责任公司 | Hand-held leather mill set and mill skin method |
| US10993519B2 (en) | 2013-09-09 | 2021-05-04 | Dd Karma Llc | Hand held dermaplaning device and dermaplaning process |
-
2012
- 2012-06-29 CN CN 201220313335 patent/CN202723939U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10993519B2 (en) | 2013-09-09 | 2021-05-04 | Dd Karma Llc | Hand held dermaplaning device and dermaplaning process |
| CN104905849A (en) * | 2014-03-13 | 2015-09-16 | 中国人民解放军第二军医大学 | Disposable detachable medical scissors |
| CN109069174A (en) * | 2015-12-21 | 2018-12-21 | 迪迪卡玛有限责任公司 | Hand-held leather mill set and mill skin method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20170629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |