CN104146746B - A kind of double end scalpel with protective sleeve - Google Patents
A kind of double end scalpel with protective sleeve Download PDFInfo
- Publication number
- CN104146746B CN104146746B CN201410402192.9A CN201410402192A CN104146746B CN 104146746 B CN104146746 B CN 104146746B CN 201410402192 A CN201410402192 A CN 201410402192A CN 104146746 B CN104146746 B CN 104146746B
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- bluff piece
- blade
- shell fragment
- pin
- scalpel
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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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The present invention relates to a kind of double end scalpel with protective sleeve, comprise handle of a knife, the first blade, the second blade and two sheaths, the first blade, the second blade are arranged on handle of a knife two ends respectively; Sheath comprises pin rod, the first bluff piece, the second bluff piece, the first shell fragment and the second shell fragment; The knife back offers pin-and-hole, and pin rod is in pin-and-hole, pin rod and pin-and-hole close contacting fit; The inner of first shell fragment, the second shell fragment is connected with the top of pin rod respectively; The top of the first bluff piece, the second bluff piece is connected with the outer end of the first shell fragment, the second shell fragment respectively, and the lower end of the first bluff piece, the second bluff piece is equipped with towards the blunt portion of blade.Owing to arranging two blades, be applicable to the needs of Various Tissues cutting, avoid the delay of performing the operation; By arranging sheath, blade being protected, solving the safety problem of double end blade; The blunt portion of the first bluff piece, the second bluff piece lower end forms blocking surface, the degree of depth of restriction feed, and operation is more accurate, reduces the misery of patient, more safe and reliable.
Description
Technical field
The present invention relates to a kind of scalpel, particularly relate to a kind of double end scalpel with protective sleeve.
Background technology
The surgical instrument that scalpel is surgery, internal medicine is commonly used, any operation all must use scalpel, and visible scalpel is the essential condition of operation, quite important.
Scalpel is more single due to function, does not structurally all have what more great reform all the time.Current scalpel generally comprises handle of a knife and blade, and blade is arranged on one end of handle of a knife, and during operation, doctor grasps handle of a knife, cuts with blade periphery of diseased region with it the patient.The tissue of excision disease sites, or cut some tissue samples and carry out chemically examining, analyzing, finally to reach the object making Rehabilitation, this is also that one the most effectively, is the most directly cured the disease mode.
The blade of above-mentioned scalpel owing to only installing a kind of specification, therefore, this scalpel can only be applicable to the cutting of certain tissue.
But when clinical operation, patient's possibility many places are ill, and a diseased region also relates to Various Tissues sometimes, just must be equipped with the scalpel of many moneys different size in this case, for the cutting of different tissues.
But, often due to underestimating the state of an illness, or carelessness sometimes, and cause the scalpel kind of outfit incomplete, like this when a certain organizing will be cut, but find to can not find suitable scalpel, need promptly to allow nurse again be equipped with, but this still needs the regular hour, cause the delay of operation, increase unnecessary misery to patient.
In addition, current scalpel does not control the position limiting structure of the blade depth, and the depth of doctor's cutter relies on experience and the maneuver of doctor, and the depth is difficult to accurate control, often occurs that blade crosses shallow or excessively dark situation.During operation, blade is excessively shallow, then do not reach cutting object or cutting effect, need feed again again to cut, increase unnecessary misery to patient; And blade is excessively dark, then can damage patient, increase unnecessary misery to patient equally.Therefore, also there is defect safe and reliable not in current scalpel, and this is also the technical barrier all the time expecting to solve.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of double end scalpel with protective sleeve, and the double end scalpel of this band protective sleeve is applicable to the needs of Various Tissues cutting, and easy to operate, more safe and reliable.The technical scheme adopted is as follows:
A kind of double end scalpel with protective sleeve, comprise handle of a knife and the first blade, the first blade is arranged on one end of handle of a knife, it is characterized in that: also comprise the second blade and two sheaths, second blade is arranged on the other end of described handle of a knife, and described first blade and the second blade include blade and the knife back; Two sheaths are arranged on the first blade and the second blade respectively, and the size of two sheaths and profile match with the first blade, the second blade respectively; Sheath comprises at least one pin rod, the first bluff piece, the second bluff piece, the first shell fragment and the second shell fragment; The knife back offers at least one pin-and-hole, pin rod is in pin-and-hole, pin rod and pin-and-hole close contacting fit; The inner of first shell fragment, the second shell fragment is connected with the top of pin rod respectively; First bluff piece, the second bluff piece are in the both sides of the knife back respectively, and the top of the first bluff piece, the second bluff piece is connected with the outer end of the first shell fragment, the second shell fragment respectively, and the lower end of the first bluff piece, the second bluff piece is equipped with towards the blunt portion of blade; The length of the first shell fragment, the second shell fragment is all greater than the distance between the first bluff piece, the second bluff piece upper end to pin rod.
By arranging the first blade and the second blade on handle of a knife respectively, first blade, the second blade adopt the blade of different size respectively, such leader's art cutter just can be applicable to the needs of Various Tissues cutting, can not cause the delay of operation because can not find suitable scalpel, for solving the safety problem that handle of a knife two ends arrange the first blade respectively, the second blade brings, the first blade, the second blade are provided with sheath respectively, sheath adopts pin rod, first bluff piece, second bluff piece, the frame mode of the first shell fragment and the second shell fragment, is engaged on the knife back and offers pin-and-hole, under normality, at the first shell fragment, under the effect of the second shell fragment, the first bluff piece, the mutual clamping and clamping to centre of the lower end of the second bluff piece, thus blade is closed, be namely blade is wrapped in the first bluff piece, the centre of the second bluff piece, when using, as long as press the first bluff piece to centre gently, the upper end of the second bluff piece, extrudes the first shell fragment, second shell fragment, the first bluff piece, the lower end of the second bluff piece is just opened, outward now, as long as pull the first bluff piece toward knife back direction (upwards) gently, second bluff piece (or pulling pin rod), the first bluff piece, just from blade to knife back direction, motion drives pin rod to move up to second bluff piece simultaneously, when exposing blade, removes the first bluff piece, the pressing force of the second bluff piece upper end, at the first shell fragment, under the effect of the second shell fragment, the first bluff piece, the mutual clamping and be clamped on blade, now, due to the first bluff piece to centre of the lower end of the second bluff piece, second bluff piece is combined on blade to therebetween, is formed the first bluff piece, the location of the second bluff piece, the first bluff piece, second bluff piece can not slide up and down easily, can not affect carrying out smoothly of operation technique, in like manner, when close blade, also by pressing first bluff piece, the upper end of the second bluff piece, then promotes the first bluff piece from the knife back to blade direction, second bluff piece (or pin rod), until the first bluff piece, blade is closed and is just removed the first bluff piece by the second bluff piece completely, the pressing force of the second bluff piece upper end, as long as by pressing gently and pulling (promotion) just can realize closing and exposing of blade, both solved the safety problem of double end blade, easy to operate again, due to the first bluff piece, the lower end of the second bluff piece is equipped with towards the blunt portion of blade, and due to when exposing blade, first shell fragment, second shell fragment outwards opens and makes the first bluff piece, second bluff piece can not slide up and down easily, therefore, first bluff piece, the blunt portion of the second bluff piece lower end forms a more smooth blocking surface, this blocking surface limits the size that blade exposes, also limit the degree of depth of feed, avoid the situation that feed is too shallow or too dark, perform the operation more accurate, reduce the misery of patient, more safe and reliable, in addition, by pressing the first bluff piece, second bluff piece upper end, the first bluff piece can be adjusted at any time, the position of the second bluff piece, namely be the position of adjustment blocking surface, the degree of depth adjusting feed is at any time needed according to what perform the operation.
As preferred version of the present invention, the upper end of described first bluff piece, the second bluff piece is also provided with tabletting.By arranging tabletting in the upper end of the first bluff piece, the second bluff piece, when blade will be closed or expose blade, as long as with have gentle hands flicking lower sheeting, first bluff piece, the second bluff piece are opened, make the first bluff piece, the lower end of the second bluff piece leaves the first blade (the second blade), then to touch untie-sell bar just passable in another have gentle hands, makes the closure or openness of sheath (being namely moving up and down of sheath) become quite easy, also enhance security performance further.
As the further preferred version of the present invention, described first blade, the second blade towards the opposite.The setting so towards the opposite of first blade, the second blade, make when the first blade is performed the operation downwards, the second blade upward, prevents when blade do not closed by the sheath of the second blade, the blade of the second blade scratches the hands of doctor, more safe and reliable.
As the further preferred version of the present invention, described first bluff piece, the second bluff piece are plastic sheet.First bluff piece, the second bluff piece all adopt plastic sheet, and weight is less, more lightly, be more suitable for the operation of performing the operation, and the cost of plastic sheet are also lower, produce and be also more prone to.
As the further preferred version of the present invention, described first shell fragment, the second shell fragment are metal clips or plastic shrapnel.When first shell fragment, the second shell fragment are plastic shrapnel, first shell fragment can be one-body molded with the first bluff piece, second shell fragment also can be one-body molded with the second bluff piece, as long as like this inner of the first shell fragment, the second shell fragment is connected with pin rod, more firm in structure, and more simple in production technology, further save production cost.
As the further preferred version of the present invention, the cross section of described first bluff piece, the second bluff piece is arc, and the first bluff piece, the second bluff piece are all bent outwardly.The cross section of the first bluff piece, the second bluff piece is all set to arc, and is bent outwardly, and makes the first bluff piece, the second bluff piece has certain elasticity, the lower end of the first bluff piece, the second bluff piece can inside clamping, mutual clamping or be clamped on blade, be not easy to slide, stability is better.
As the further preferred version of the present invention, the quantity of described pin rod is two, and the quantity of the pin-and-hole that the described knife back is offered is two.Two pin rods and two pin-and-holes are set, two pin rods lead mutually, spacing, avoid the rotation of pin rod and cause the distortion of the first bluff piece, the second bluff piece, the front-end and back-end simultaneously also controlling sheath are well elevated simultaneously.
As further preferred embodiments of the present invention, the upper end of described two pin rods is linked together by connection strap.Article two, the upper end of pin rod is linked together by connection strap, strengthens structure further, as long as mention or promote connection strap, be elevated while just can realizing two pin rods, the closure or openness of sheath are more prone to.
Compared with prior art, tool has the following advantages in the present invention:
By arranging the first blade and the second blade on handle of a knife respectively, such leader's art cutter just can be applicable to the needs of Various Tissues cutting, avoids the delay of performing the operation; By arranging sheath, blade is protected, as long as by pressing gently and pulling (promotion) just can realize closing and exposing of blade, both solved the safety problem of double end blade, easy to operate again; The blunt portion of the first bluff piece, the second bluff piece lower end forms blocking surface, the degree of depth of the size that restriction blade exposes and restriction feed, avoid the situation that feed is too shallow or too dark, perform the operation more accurate, reduce the misery of patient, more safe and reliable, in addition, the position of blocking surface can be adjusted at any time, need according to what perform the operation the degree of depth adjusting feed at any time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment for the present invention;
Fig. 2 is the schematic diagram that in Fig. 1, the first blade exposes blade;
Fig. 3 is the profile of Fig. 1 along A-A;
Fig. 4 is the profile of Fig. 2 along B-B.
Detailed description of the invention
Be described further below in conjunction with accompanying drawing and the preferred embodiment of the present invention.
As Figure 1-Figure 4, the double end scalpel of this band protective sleeve, comprises one end that handle of a knife 1, first blade 2, second blade 3 and two sheath 4, first blades 2 are arranged on handle of a knife 1, second blade 3 is arranged on the other end of handle of a knife 1, the first blade 2, second blade 3 towards the opposite; First blade 2 and the second blade 3 include blade 201 and the knife back 202; Two sheaths 4 are arranged on the first blade 2 and the second blade 3 respectively, and the size of two sheaths 4 and profile match with the first blade 2, second blade 3 respectively; Sheath 4 comprises two pin rods 401, first bluff piece 402, second bluff piece 403, first shell fragment 404 and the second shell fragment 405, the cross section of the first bluff piece 402, second bluff piece 403 is arc, first bluff piece 402, second bluff piece 403 is all bent outwardly, and the upper end of the first bluff piece 402, second bluff piece 403 is also provided with tabletting 406; The knife back 202 offering two pin-and-holes, 407, two pin rods 401 is in corresponding pin-and-hole 407 respectively, pin rod 401 and pin-and-hole 407 close contacting fit, and the upper end of two pin rods 401 is linked together by connection strap 408; The inner of first shell fragment 404, second shell fragment 405 is connected with the top of two pin rods 401 respectively (also can arrange two to the first shell fragment 404, second shell fragment 405, wherein a pair first shell fragment 404, second shell fragments 405 are connected with a wherein pin rod 401 respectively, and another is connected with another pin rod 401 respectively to the first shell fragment 404, second shell fragment 405); First bluff piece 402, second bluff piece 403 is in the both sides of the knife back 2 respectively, the top of the first bluff piece 402, second bluff piece 403 is connected with the outer end of the first shell fragment 404, second shell fragment 405 respectively, and the lower end of the first bluff piece 402, second bluff piece 403 is equipped with towards the blunt portion 5 of blade 201; The length of the first shell fragment 404, second shell fragment 405 is all greater than the distance between the first bluff piece 402, second bluff piece 403 upper end to pin rod 401.
Above-mentioned first bluff piece 402, second bluff piece 403 all adopts plastic sheet; Above-mentioned first shell fragment 404, second shell fragment 405 is plastic shrapnel, also all can adopt metal clips.
By arranging the first blade 2 and the second blade 3 on handle of a knife respectively, first blade 2, second blade 3 adopts the blade of different size respectively, such leader's art cutter just can be applicable to the needs of Various Tissues cutting, can not cause the delay of operation because can not find suitable scalpel, the safety problem that first blade 2, second blade 3 brings is set respectively for solving handle of a knife 1 two ends, the first blade 2, second blade 3 is provided with sheath 4 respectively, sheath 4 adopts pin rod 401, first bluff piece 402, second bluff piece 403, the frame mode of the first shell fragment 404 and the second shell fragment 405, is engaged on the knife back 202 and offers pin-and-hole 407, under normality, at the first shell fragment 404, under the effect of the second shell fragment 405, the first bluff piece 402, the mutual clamping and clamping to centre of the lower end of the second bluff piece 403, thus blade 201 is closed, be namely blade 201 is wrapped in the first bluff piece 402, the centre of the second bluff piece 403, when using, as long as press the first bluff piece 402 gently to centre, the tabletting 406 of the second bluff piece 403 upper end, extrudes the first shell fragment 404, second shell fragment 405, first bluff piece 402, the lower end of the second bluff piece 403 is just opened, outward now, as long as pull the first bluff piece 402 toward the knife back 202 direction (upwards) gently, second bluff piece 403(or pull connection strap 408 on pin rod 401), the first bluff piece 402, just from blade 201 to the knife back 202 direction, motion drives pin rod 401 to move up to second bluff piece 403 simultaneously, when exposing blade 201, removes the first bluff piece 402, the pressing force of the second bluff piece 403 upper end, at the first shell fragment 404, under the effect of the second shell fragment 405, the first bluff piece 402, the mutual clamping and be clamped on blade 201, now, due to the first bluff piece 402 to centre of the lower end of the second bluff piece 403, second bluff piece 403 is combined on blade 201 to therebetween, is formed the first bluff piece 402, the location of the second bluff piece 403, the first bluff piece 402, second bluff piece 403 can not slide up and down easily, can not affect carrying out smoothly of operation technique, in like manner, when close blade 201, also by pressing first bluff piece 402, the tabletting 406 of the second bluff piece 403 upper end, then promotes the first bluff piece 402 from the knife back 202 to blade 201 direction, connection strap 408 on second bluff piece 403(or pin rod 401), until the first bluff piece 402, blade 201 is closed and is just removed the first bluff piece 402 by the second bluff piece 403 completely, the pressing force of the second bluff piece 403 upper end, as long as by pressing gently and pulling (promotion) just can realize closing and exposing of blade 201, both solved the safety problem of double end blade 201, easy to operate again, due to the first bluff piece 402, the lower end of the second bluff piece 403 is equipped with towards the blunt portion 5 of blade 201, and due to when exposing blade 201, first shell fragment 404, second shell fragment 405 outwards opens and makes the first bluff piece 402, second bluff piece 403 can not slide up and down easily, therefore, first bluff piece 402, the blunt portion 5 of the second bluff piece 403 lower end forms a more smooth blocking surface, this blocking surface limits the size that blade 201 exposes, also limit the degree of depth of feed, avoid the situation that feed is too shallow or too dark, perform the operation more accurate, reduce the misery of patient, more safe and reliable, in addition, by pressing the first bluff piece 402, the tabletting 406 of the second bluff piece 403 upper end, the first bluff piece 402 can be adjusted at any time, the position of the second bluff piece 403, namely be the position of adjustment blocking surface, the degree of depth adjusting feed is at any time needed according to what perform the operation.
By arranging tabletting 406 in the upper end of the first bluff piece 402, second bluff piece 403, when blade 201 will be closed or expose blade 201, as long as with have gentle hands flicking lower sheeting 406, first bluff piece 402, second bluff piece 403 is opened, the lower end of the first bluff piece 402, second bluff piece 403 is made to leave the first blade 2(second blade 3), then dynamic first bluff piece 402, second bluff piece 403(or pin rod 401 is touched in another have gentle hands) just passable, make the closure or openness of sheath 4 (being namely moving up and down of sheath 4) become quite easy, also enhance security performance further.
The cross section of the first bluff piece 402, second bluff piece 403 is all set to arc, and be bent outwardly, the first bluff piece 402, second bluff piece 403 is made to have certain elasticity, the lower end of the first bluff piece 402, second bluff piece 403 can inside clamping, mutual clamping or be clamped on blade 201, be not easy to slide, stability is better.
In addition; it should be noted that, the specific embodiment described in this description, its each several part title etc. can be different; all equivalences of doing according to structure, feature and the principle described in inventional idea of the present invention or simple change, be included in the protection domain of patent of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (8)
1. the double end scalpel with protective sleeve, comprise handle of a knife, the first blade and the second blade, first blade, the second blade include blade and the knife back, first blade is arranged on one end of handle of a knife, second blade is arranged on the other end of described handle of a knife, it is characterized in that: also comprise two sheaths, two sheaths are arranged on the first blade and the second blade respectively, and the size of two sheaths and profile match with the first blade, the second blade respectively; Sheath comprises at least one pin rod, the first bluff piece, the second bluff piece, the first shell fragment and the second shell fragment; The knife back offers at least one pin-and-hole, pin rod is in pin-and-hole, pin rod and pin-and-hole close contacting fit; The inner of first shell fragment, the second shell fragment is connected with the top of pin rod respectively; First bluff piece, the second bluff piece are in the both sides of the knife back respectively, and the top of the first bluff piece, the second bluff piece is connected with the outer end of the first shell fragment, the second shell fragment respectively, and the lower end of the first bluff piece, the second bluff piece is equipped with towards the blunt portion of blade; The length of the first shell fragment, the second shell fragment is all greater than the distance between the first bluff piece, the second bluff piece upper end to pin rod.
2. the double end scalpel of band protective sleeve as claimed in claim 1, is characterized in that: the upper end of described first bluff piece, the second bluff piece is also provided with tabletting.
3. the double end scalpel of band protective sleeve as claimed in claim 1 or 2, is characterized in that: described first blade, the second blade towards the opposite.
4. the double end scalpel of band protective sleeve as claimed in claim 1 or 2, is characterized in that: described first bluff piece, the second bluff piece are plastic sheet.
5. the double end scalpel of band protective sleeve as claimed in claim 1 or 2, is characterized in that: described first shell fragment, the second shell fragment are metal clips or plastic shrapnel.
6. the double end scalpel of band protective sleeve as claimed in claim 1 or 2, it is characterized in that: the cross section of described first bluff piece, the second bluff piece is arc, the first bluff piece, the second bluff piece are all bent outwardly.
7. the double end scalpel of band protective sleeve as claimed in claim 1 or 2, it is characterized in that: the quantity of described pin rod is two, the quantity of the pin-and-hole that the described knife back is offered is two.
8. the double end scalpel of band protective sleeve as claimed in claim 7, is characterized in that: the upper end of described two pin rods is linked together by connection strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402192.9A CN104146746B (en) | 2014-08-15 | 2014-08-15 | A kind of double end scalpel with protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402192.9A CN104146746B (en) | 2014-08-15 | 2014-08-15 | A kind of double end scalpel with protective sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104146746A CN104146746A (en) | 2014-11-19 |
| CN104146746B true CN104146746B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410402192.9A Expired - Fee Related CN104146746B (en) | 2014-08-15 | 2014-08-15 | A kind of double end scalpel with protective sleeve |
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| CN (1) | CN104146746B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109717908B (en) * | 2017-10-27 | 2023-08-18 | 葛爱敏 | Three-row pathological sampling knife |
| CN108652710A (en) * | 2018-05-14 | 2018-10-16 | 上海应用技术大学 | A kind of two-way scalpel of embedded multi-knife-head |
| CN111493984B (en) * | 2020-06-04 | 2021-04-02 | 中国人民解放军联勤保障部队第九二〇医院 | Minimally invasive releaser for carpal tunnel syndrome |
| CN112089488B (en) * | 2020-10-21 | 2021-11-16 | 江南大学附属医院 | Electrotome for breast cancer operation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095258A (en) * | 1993-05-14 | 1994-11-23 | 布鲁斯·德伯希尔 | Scalpel |
| US5370654A (en) * | 1993-06-18 | 1994-12-06 | Leonard Bloom | Disposable guarded finger scalpel for inserting a line in a patient and method of use thereof |
| US5522828A (en) * | 1994-11-08 | 1996-06-04 | Malilay; Cicero H. | Surgical knife with blade shield |
| CN201870695U (en) * | 2010-12-03 | 2011-06-22 | 吴淑玺 | Novel surgical knife handle |
-
2014
- 2014-08-15 CN CN201410402192.9A patent/CN104146746B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095258A (en) * | 1993-05-14 | 1994-11-23 | 布鲁斯·德伯希尔 | Scalpel |
| US5370654A (en) * | 1993-06-18 | 1994-12-06 | Leonard Bloom | Disposable guarded finger scalpel for inserting a line in a patient and method of use thereof |
| US5522828A (en) * | 1994-11-08 | 1996-06-04 | Malilay; Cicero H. | Surgical knife with blade shield |
| CN201870695U (en) * | 2010-12-03 | 2011-06-22 | 吴淑玺 | Novel surgical knife handle |
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| CN104146746A (en) | 2014-11-19 |
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Granted publication date: 20160420 Termination date: 20160815 |