CN205215318U - Disposable scalpel - Google Patents
Disposable scalpel Download PDFInfo
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- CN205215318U CN205215318U CN201520948054.0U CN201520948054U CN205215318U CN 205215318 U CN205215318 U CN 205215318U CN 201520948054 U CN201520948054 U CN 201520948054U CN 205215318 U CN205215318 U CN 205215318U
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- bar shaped
- shaped shell
- knife rest
- blade
- disposable surgical
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Abstract
The utility model belongs to the technical field of the medical treatment instrument, especially, relate to a disposable scalpel. The utility model solves the technical problem that the conventional technical design is note reasonable. This disposable scalpel includes the bar shell, front end at the bar shell has the blade access & exit, be equipped with bar shell axial displacement's knife rest relatively in the bar shell, front end at the knife rest is equipped with the blade, the locking hole that have with bar shell inside intercommunication is opened at bar shell upside, it unsettled and can take place upwards to deform when the free end can get into the locking hole and collude the elasticity locking tongue on the locking hole to be equipped with the front end at the upside of knife rest, thereby it is unsettled at locking hole outer hole mouth and can lock the whip graft with elasticity down at radial inside exogenic action and touch and make elasticity lock the tongue to break away from the elasticity unlock button who locks the hole to have one end on the bar shell. The utility model discloses the advantage lies in: the locking simple structure just easily control.
Description
Technical field
This utility model belongs to medical instrument technical field, particularly relates to a kind of disposable surgical cutter.
Background technology
Scalpel, be the scalpel that in hospital, surgeon uses, its structure includes point blade and handle of a knife.
Such as, Chinese patent literature discloses a kind of disposable folding scalpel, [application number: 200920086070.8], it comprises handle, handle end is fixedly connected with scalpel, handle is made up of linkage section and handling section, connects folding shaft between linkage section and handling section, and folding shaft is vertically arranged; Folding fixator is provided with between linkage section and handling section.Folding shaft vertically arranges by this disposable folding scalpel, after folding, scalpel attaches mutually with the handling section of handle, folding fixator makes scalpel and the handling section with handle be that folded state or deployed condition are all relative fixing simultaneously, thus ensure that operator is not accidentally injured, there is not the problem of handle breed bacteria and Tibetan dirt simultaneously yet.It is simple and reasonable, easy to use.In addition, Chinese patent literature also discloses a kind of disposable safe telescopic surgical knife handle [application number: 201020629183.0], and it is made up of shell, toolholder body, sliding panel.Toolholder body has spring, and its head end can install the knife blade of different size, and in the stand-by state, toolholder body shrinks in the enclosure, and the knife edge does not appear.During use, touch forward the sliding panel outside shell, time together with the anti-hook on sliding panel hooks with the latch hook on shell, the knife edge appears completely, available.When suspending use, touch sliding panel to front lower, anti-hook and latch hook unlock, and toolholder body is set back in shell, and the knife edge is hidden.When stopping using, push-and-pull sliding panel backward in the stand-by state, in shell, the spring lock of tail end is inserted in the spring lock groove of toolholder body afterbody, becomes lock-out state.In this case, knife blade again can not appear and used.The program makes the use of scalpel safer, there will not be the accident of hurting sb.'s feelings.
Although above-mentioned scheme has above multiple advantages, but there is following defect in these schemes: latch-up structure is complicated and not easily manipulate unblock, poor practicability.
Utility model content
The purpose of this utility model is for the problems referred to above, provides a kind of latch-up structure simple and is easy to manipulation, practical disposable surgical cutter.
For achieving the above object, this utility model have employed following technical proposal: this disposable surgical cutter comprises bar shaped shell, there is in the front end of bar shaped shell the blade gateway be communicated with bar shaped enclosure, bar shaped outer casing back has uncovered, being provided with in bar shaped shell can the knife rest that moves axially of bar shaped shell relatively, blade is provided with in the front end of knife rest, the lock hole be communicated with bar shaped enclosure is had on the upside of bar shaped shell, front end is provided with unsettled and upwards deformation can occur when free end can enter lock hole and hook elastic locking tongue on lock hole in the upside of knife rest, bar shaped shell has one end is unsettled can touch with elastic locking whip graft in the outer aperture of lock hole thus elastic locking tongue is gone out of lock the elasticity unlock button in hole under radially-inwardly External Force Acting, the elastic reseting part that knife rest can be forced to reset when elastic locking tongue goes out of lock hole is provided with between bar shaped shell and knife rest.
In above-mentioned disposable surgical cutter, described lock hole is rectangle, have on rear side of lock hole inner orifice and extend and the pointed anti-delinking part of inclination arranged forward under being tilted to bar shaped enclosure, described elastic locking tongue and elasticity unlock button all L-shaped, described elastic locking tongue free end lower surface and the free end upper surface of elasticity unlock button form linear contact lay.
In above-mentioned disposable surgical cutter, described upper surface is be tilted to down the inclined upper surface arranged forward, and described lower surface is be tilted to down the inclined lower surface arranged forward.
In above-mentioned disposable surgical cutter, described elastic reseting part comprises spring, spring is arranged on the downside of bar shaped enclosure and opening is in open mounting groove, the bore of described mounting groove opening part is less than the external diameter of spring, one end of spring acts on the front end of mounting groove, and the other end acts on the guiding sliding part on the downside of knife rest.
In above-mentioned disposable surgical cutter, described mounting groove is inverted T-slot, and described guiding sliding part lateral cross section is inverted T-shaped structure, and described guiding sliding part to insert in mounting groove and is slidably connected with mounting groove.
In above-mentioned disposable surgical cutter, described knife rest rear end has pushing block, has the blocking surface preventing knife rest from excessively moving forward when pushing block drives described knife rest to move forward thus enables blade stretch out blade gateway under axial External Force Acting forward in the rear end of bar shaped shell.
In above-mentioned disposable surgical cutter, be also provided with for preventing described knife rest excessively to the first position limiting structure of bar shaped outer casing back movement between described bar shaped shell and knife rest; This first position limiting structure comprises and to be arranged on the upside of knife rest and to be positioned at the limited block at elastic locking tongue rear, and the rear end of limited block is unsettled, is provided with the stopper being positioned at limited block rear at bar shaped outer casing inner wall.
In above-mentioned disposable surgical cutter, described blade gateway is flat blade gateway, has the cell body be communicated with blade gateway at bar shaped case nose, and described blade gateway and cell body are crossing distribution.
In above-mentioned disposable surgical cutter, described bar shaped shell comprises the first housing and the second housing that mutually fasten, is fixedly connected with, between the first housing and the second housing, is provided with removal hole between the first described housing and the second housing by ultrasonic bonding.
In above-mentioned disposable surgical cutter, described bar shaped shell is made of plastics, and forms scale at the upper surface of bar shaped shell, forms product type mark in the side of bar shaped shell.
Compared with prior art, the utility model has the advantage of: 1, design is more reasonable, the simple and lock-out state good stability of latch-up structure, the phenomenon not easily automatically disengaged, good reliability during use and practical.2, unlock and be easy to manipulation and convenient and simple, reduce manipulation difficulty and design hommization more.3, structure is simple and be easy to manufacture, long service life.
Accompanying drawing explanation
Fig. 1 is the perspective view that this utility model provides.
Fig. 2 is the structural representation that this utility model provides.
Fig. 3 is that A-A in Fig. 2 is to sectional structure schematic diagram.
Fig. 4 is the detonation configuration schematic diagram that this utility model provides.
Fig. 5 is that B-B in Fig. 2 is to sectional structure schematic diagram.
Fig. 6 is that C-C in Fig. 2 is to sectional structure schematic diagram.
In figure, bar shaped shell 1, blade gateway 1a, lock hole 1b, elasticity unlock button 1c, upper surface 11c, tilt pointed anti-delinking part 1d, mounting groove 1e, blocking surface 1f, stopper 1q, cell body 1w, scale 1r, product type mark 1t, the first housing 11, second housing 12, removal hole 13, knife rest 2, elastic locking tongue 21, lower surface 21a, guiding sliding part 22, pushing block 23, the anti-skidding protruding 23a of bar shaped, limited block 24, blade 3, elastic reseting part 4, spring 41.
Detailed description of the invention
Be below the specific embodiment of utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiments.
As shown in Figure 1, this disposable surgical cutter comprises bar shaped shell 1, particularly, the bar shaped shell 1 of the present embodiment is made of plastics, and plastics replace metal material, not only reduce manufacturing cost, but also alleviate overall weight, secondly, do not have ice-cold touching sensation when plastics use in the winter time, design hommization more.Secondly, form scale 1r at the upper surface of bar shaped shell 1, scale 1r can be made in Great Britain or metric system, has enriched using function further.Form product type mark 1t in the side of bar shaped shell 1, product type mark 1t is concaveconvex structure or the structure in hollow out.Specifically can set as required.
In order to assembling can be convenient to, as shown in Figure 3, the bar shaped shell 1 of the present embodiment comprises the first housing 11 and the second housing 12 mutually fastened, first housing 11 is circumferentially with link slot, second housing 12 circumference has the connecting portion that can be stuck in link slot, connecting portion is stuck in after in link slot and is fixedly connected with by ultrasonic bonding between the first housing 11 and the second housing 12, between the first housing 11 and the second housing 12, be provided with removal hole 13.
As Figure 1-4, there is in the front end of bar shaped shell 1 the blade gateway 1a be communicated with bar shaped shell 1 inside, blade gateway 1a is flat blade gateway, have the cell body 1w be communicated with blade gateway 1a in bar shaped shell 1 front end, described blade gateway 1a and cell body 1w is crossing distribution.Operation sewing line can be snapped in cell body 1w and be cut off by the blade after reset.That is, using function has been enriched further.
Being provided with in bar shaped shell 1 can the knife rest 2 that moves axially of bar shaped shell 1 relatively, and the inwall of bar shaped shell 1 is provided with the some strip bulges being positioned at knife rest 2 both sides, and strip bulge can improve the ride comfort of movement further.Blade 3 is provided with in the front end of knife rest 2, bar shaped shell 1 rear end has uncovered, knife rest 2 rear end stretch to uncovered in, the lock hole 1b be communicated with bar shaped shell 1 inside is had on the upside of bar shaped shell 1, lock hole 1b is rectangle, front end is provided with unsettled and upwards deformation can occur when free end can enter lock hole 1b and hook elastic locking tongue 21 on lock hole 1b in the upside of knife rest 2, prioritization scheme, have to bar shaped shell 1 Inner elongate on rear side of lock hole 1b inner orifice and the pointed anti-delinking part 1d of the inclination arranged forward under being tilted to, bar shaped shell 1 has one end is unsettled can be contacted with elastic locking tongue 21 in the outer aperture of lock hole 1b thus elastic locking tongue 21 is gone out of lock the elasticity unlock button 1c of hole 1b under radially-inwardly External Force Acting, prioritization scheme, elastic locking tongue 21 and the elasticity unlock button 1c of the present embodiment are all L-shaped, described elastic locking tongue 21 free end lower surface 21a and the free end upper surface 11c of elasticity unlock button 1c forms linear contact lay.Or forming surface contacts.
Particularly, the upper surface of the present embodiment is be tilted to down the inclined upper surface arranged forward, and described lower surface is be tilted to down the inclined lower surface arranged forward.
The elastic reseting part 4 that knife rest 2 can be forced to reset when elastic locking tongue 21 goes out of lock hole 1b is provided with between bar shaped shell 1 and knife rest 2.Particularly, the elastic reseting part 4 of the present embodiment comprises spring 41, spring 41 is arranged on bar shaped shell 1 inner lower and opening is in open mounting groove 1e, the bore of described mounting groove 1e opening part is less than the external diameter of spring 41, one end of spring 41 acts on the front end of mounting groove 1e, and the other end acts on the guiding sliding part 22 on the downside of knife rest 2.
Prioritization scheme, as seen in figs. 5-6, above-mentioned mounting groove 1e is inverted T-slot, and described guiding sliding part 22 lateral cross section is inverted T-shaped structure, and described guiding sliding part 22 to insert in mounting groove 1e and is slidably connected with mounting groove 1e.
In order to the stability of knife rest movement can be improved, as shown in Figure 3-4, in knife rest 2 rear end, there is pushing block 23, pushing block 23 is tilted to down and arranges forward, be provided with the anti-skidding protruding 23a of some bar shapeds in pushing block 23 rear surface, there is in the rear end of bar shaped shell 1 the blocking surface 1f preventing knife rest 2 from excessively moving forward when pushing block 23 drives described knife rest 2 to move forward thus enables blade 3 stretch out blade gateway 1a under axial External Force Acting forward.Blocking surface 1f is tilted to down and arranges forward and match with pushing block 23 front surface.
Further, be also provided with between bar shaped shell 1 and knife rest 2 for preventing described knife rest 2 excessively to the first position limiting structure of bar shaped shell 1 rear end movement; This first position limiting structure comprises and to be arranged on the upside of knife rest 2 and to be positioned at the limited block 24 at elastic locking tongue 21 rear, and the rear end of limited block 24 is unsettled, is provided with the stopper 1q being positioned at limited block 24 rear at bar shaped shell 1 inwall.
The operation principle of the present embodiment is as follows:
Stretch out state, promoting pushing block 23 by axial active force is forward with movable knife rack 2 to move forward, and the free end of elastic locking tongue 21 is resisted against the inner top wall of bar shaped shell 1, upwards deformation can be there is when the free end of elastic locking tongue 21 enters lock hole 1b and hook on lock hole 1b, realize locking, blade 3 now has extend out to outside the 1a of blade gateway, namely can realize surgical operation.
Retracted state, makes elasticity unlock button 1c near elastic locking tongue 21 by radially inner external force, then makes elastic locking tongue 21 go out of lock hole 1b, realizes automatically reseting under the effect of spring 41.
Specific embodiment described herein is only to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the term such as bar shaped shell 1, blade gateway 1a, lock hole 1b, elasticity unlock button 1c, upper surface 11c, tilt pointed anti-delinking part 1d, mounting groove 1e, blocking surface 1f, stopper 1q, cell body 1w, scale 1r, product type mark 1t, the first housing 11, second housing 12, removal hole 13, knife rest 2, elastic locking tongue 21, lower surface 21a, guiding sliding part 22, pushing block 23, the anti-skidding protruding 23a of bar shaped, limited block 24, blade 3, elastic reseting part 4, spring 41 herein, do not get rid of the probability using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with this utility model spirit.
Claims (10)
1. a disposable surgical cutter, comprise bar shaped shell (1), there is in the front end of bar shaped shell (1) the blade gateway (1a) be communicated with bar shaped shell (1) inside, bar shaped shell (1) rear end has uncovered, being provided with in bar shaped shell (1) can the knife rest (2) that moves axially of bar shaped shell (1) relatively, blade (3) is provided with in the front end of knife rest (2), it is characterized in that, described bar shaped shell (1) upside has the lock hole (1b) be communicated with bar shaped shell (1) inside, front end is provided with unsettled and upwards deformation can occur when free end can enter lock hole (1b) and hook elastic locking tongue (21) on lock hole (1b) in the upside of knife rest (2), bar shaped shell (1) has one end is unsettled can be contacted with elastic locking tongue (21) in lock hole (1b) outer aperture thus elastic locking tongue (21) is gone out of lock the elasticity unlock button (1c) in hole (1b) under radially-inwardly External Force Acting, the elastic reseting part (4) that knife rest (2) can be forced to reset when elastic locking tongue (21) goes out of lock hole (1b) is provided with between bar shaped shell (1) and knife rest (2).
2. disposable surgical cutter according to claim 1, it is characterized in that, described lock hole (1b) is rectangle, have on rear side of lock hole (1b) inner orifice to bar shaped shell (1) Inner elongate and the pointed anti-delinking part of inclination (1d) arranged forward under being tilted to, described elastic locking tongue (21) and elasticity unlock button (1c) all L-shaped, the free end upper surface (11c) of described elastic locking tongue (21) free end lower surface (21a) and elasticity unlock button (1c) forms linear contact lay.
3. disposable surgical cutter according to claim 2, is characterized in that, described upper surface is be tilted to down the inclined upper surface arranged forward, and described lower surface is be tilted to down the inclined lower surface arranged forward.
4. disposable surgical cutter according to claim 1, it is characterized in that, described elastic reseting part (4) comprises spring (41), spring (41) is arranged on bar shaped shell (1) inner lower and opening is in open mounting groove (1e), the bore of described mounting groove (1e) opening part is less than the external diameter of spring (41), one end of spring (41) acts on the front end of mounting groove (1e), and the other end acts on the guiding sliding part (22) of knife rest (2) downside.
5. disposable surgical cutter according to claim 4, it is characterized in that, described mounting groove (1e) is in inverted T-slot, described guiding sliding part (22) lateral cross section is inverted T-shaped structure, and described guiding sliding part (22) to insert in mounting groove (1e) and is slidably connected with mounting groove (1e).
6. disposable surgical cutter according to claim 1, it is characterized in that, described knife rest (2) rear end has pushing block (23), has the blocking surface (1f) preventing knife rest (2) from excessively moving forward when pushing block (23) drives described knife rest (2) to move forward thus enables blade (3) stretch out blade gateway (1a) under axial External Force Acting forward in the rear end of bar shaped shell (1).
7. disposable surgical cutter according to claim 1, it is characterized in that, being also provided with for preventing described knife rest (2) excessively to the first position limiting structure of bar shaped shell (1) rear end movement between described bar shaped shell (1) and knife rest (2); This first position limiting structure comprises and is arranged on knife rest (2) upside and is positioned at the limited block (24) at elastic locking tongue (21) rear, the rear end of limited block (24) is unsettled, is provided with the stopper (1q) being positioned at limited block (24) rear at bar shaped shell (1) inwall.
8. disposable surgical cutter according to claim 1, it is characterized in that, described blade gateway (1a) is flat blade gateway, have the cell body (1w) be communicated with blade gateway (1a) in bar shaped shell (1) front end, described blade gateway (1a) and cell body (1w) are in crossing distribution.
9. disposable surgical cutter according to claim 1, it is characterized in that, described bar shaped shell (1) comprises the first housing (11) and the second housing (12) that mutually fasten, be fixedly connected with by ultrasonic bonding between described the first housing (11) and the second housing (12), between the first housing (11) and the second housing (12), be provided with removal hole (13).
10. disposable surgical cutter according to claim 9, it is characterized in that, described bar shaped shell (1) is made of plastics, form scale (1r) at the upper surface of bar shaped shell (1), form product type mark (1t) in the side of bar shaped shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948054.0U CN205215318U (en) | 2015-11-24 | 2015-11-24 | Disposable scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948054.0U CN205215318U (en) | 2015-11-24 | 2015-11-24 | Disposable scalpel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205215318U true CN205215318U (en) | 2016-05-11 |
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ID=55890421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520948054.0U Active CN205215318U (en) | 2015-11-24 | 2015-11-24 | Disposable scalpel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205215318U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114800397A (en) * | 2021-01-29 | 2022-07-29 | 杰美诺斯家品有限公司 | Assembled tool handle capable of adjusting gravity center |
-
2015
- 2015-11-24 CN CN201520948054.0U patent/CN205215318U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US10779853B2 (en) | 2016-09-13 | 2020-09-22 | Sterilance Medical (Suzhou) Inc. | Sheath type disposable safety scalpel |
| CN114800397A (en) * | 2021-01-29 | 2022-07-29 | 杰美诺斯家品有限公司 | Assembled tool handle capable of adjusting gravity center |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |