CN107582204B - Teaching dissection cutter - Google Patents
Teaching dissection cutter Download PDFInfo
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- CN107582204B CN107582204B CN201710902272.4A CN201710902272A CN107582204B CN 107582204 B CN107582204 B CN 107582204B CN 201710902272 A CN201710902272 A CN 201710902272A CN 107582204 B CN107582204 B CN 107582204B
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Abstract
The invention discloses a kind of teaching to dissect cutter, including connected handle and blade, blade includes the blade part of the arc-shaped shape for dissection, it further include depth instruction component, depth indicates that component includes indicating arm, connecting rod and adjusting key, indicating arm is arranged along the length direction of blade, is fitted on a side of blade；Connecting rod is arranged along the length direction of blade, is fitted on another side of blade, end is provided with limiting plate；Indicating arm and the head end of connecting rod are fixed on adjusting key, and adjusting key is slidably connected on handle, the glide direction of adjusting key along blade length direction.Cutter is dissected in teaching provided by the invention, personnel are dissected when use, and dissection depth is positioned by indicating arm, depth is limited by limiting plate, indicating arm size is smaller, it is minimum or even without influence on dissection visual field effects, effective control to dissecting depth is so realized under the premise of to the dissection visual field without negative effect.
Description
Technical field
The present invention relates to teaching aids, and in particular to a kind of teaching dissection cutter.
Background technology
In biological field and medical field, dissection is all more conventional laboratory facilities or operation means, is being solved
When cuing open operation, dissection depth is one of the parameter that must be controlled, too deep that dissection may be caused to fail, if then have can for medical operating
It can lead to serious accident, it is excessively plain that operation requirement is so not achieved.Therefore, when being giveed training to corresponding personnel, depth is dissected
It is one of the point for needing emphasis to practice when operation.
In general, new hand is difficult to accurately control dissection depth, in order to be assisted, the prior art designs on dissection cutter
Some specific structures are helped, and it is 2017.8.11 days such as to authorize Publication No. CN206390970U, authorized announcement date, title
For《A kind of zoopery dissection cutter》Utility model patent comprising scalpel handle, scalpel blade and blade positioning device,
It is useful for accommodating the locating slot of scalpel blade inside scalpel handle, scalpel blade can be adjusted by positioning device stretches out scalpel
The length of handle portion so realizes the limit to dissecting depth.
It is in place of the deficiencies in the prior art, scalpel blade is located at the inside of scalpel handle, the fully wrapped around solution of scalpel handle
Cut open cutter piece, size is larger, has blocked the visual field of dissection personnel in when dissected, negative effect is brought to dissection.
Invention content
The object of the present invention is to provide a kind of teaching to dissect cutter, with the above-mentioned shortcoming in solution technology.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of teaching dissection cutter, including connected handle and blade, the blade includes the arc-shaped shape for dissection
Blade part, further include depth instruction component, depth instruction component includes：
Indicating arm is arranged along the length direction of the blade, is fitted on a side of the blade；
Connecting rod is fitted in along the length direction arrangement of the blade on another side of the blade,
End is provided with limiting plate；
The head end of adjusting key, the indicating arm and connecting rod is fixed on the adjusting key, and the adjusting key sliding connects
Be connected on the handle, the glide direction of the adjusting key along the blade length direction；
Wherein, scale mark, the indicating arm and company are provided on side opposite with the indicating arm on the blade
The end of extension bar is located on the same position of the length direction of the blade.
Cutter is dissected in above-mentioned teaching, and the indicating arm includes first segment and second segment, has a diameter on the first segment
To bulb, the outer surface in the radially enlarged portion is provided with resistance lines, and the radially enlarged portion is internally provided with screw hole,
One end of the second segment is bolted in the screw hole, and the depth of the screw hole is between 10mm-30mm.
Cutter is dissected in above-mentioned teaching, and the bottom of the screw hole is provided with spring, described in the end abutment of the second segment
Spring.
Cutter is dissected in above-mentioned teaching, and the limiting plate is rotationally connected in the connecting rod, the end in the connecting rod
End regions are provided with lug boss, and the lug boss is limited in the rotational travel of the limiting plate, and the limiting plate is by described convex
Portion's limit of rising is to be only capable of rotating within the scope of 90 degree of the connecting rod end.
Cutter is dissected in above-mentioned teaching, and the limiting plate is arc panel, the arc of the arc panel and the blade part
The shape of arc is identical.
Cutter is dissected in above-mentioned teaching, and strip hole is provided on the blade, further includes the connection through the strip hole
The both ends of part, the connector are connected with the indicating arm and connecting rod respectively.
Cutter is dissected in above-mentioned teaching, and one end far from the blade part is provided on the blade prolongs along width direction
The extension stretched is provided with connecting hole on the extension, and the blade connects the handle by connecting hole.
Cutter is dissected in above-mentioned teaching, and the scale mark includes more straight lines being set up in parallel and is set to the straight line
The scale value of side；
The straight line and scale value have two groups, the tangent line phase with two parts of the blade part respectively of straight line described in two groups
It is parallel.
Cutter is dissected in above-mentioned teaching, and strip grooves are provided on the handle, and the adjusting key is located in the strip grooves,
The top surface of the adjusting key is non-bulging in the outer surface of the handle.
Cutter is dissected in above-mentioned teaching, and the adjusting key includes pedestal and keycap, and the indicating arm and connecting rod are connected to
On the pedestal, the pedestal is slidably connected to along the length direction of the blade on the handle, and the keycap is along institute
The thickness direction for stating blade is slidably connected on the pedestal, and one end of the active strokes of the keycap protrudes from the handle
Surface, the other end are non-bulging in the surface of the handle；
It is provided with the first dentalation in the groove bottom wall of the strip grooves, the second dentation is provided on the bottom surface of the keycap
Structure, when the keycap it is non-bulging in the surface of the handle when, first dentalation and the second dentalation are meshed.
In the above-mentioned technical solutions, cutter is dissected in teaching provided by the invention, when use dissection personnel by indicating arm come
Positioning dissection depth, depth is limited by limiting plate, and indicating arm size is smaller, minimum or even without shadow to dissection visual field effects
It rings, effective control to dissecting depth is so realized under the premise of to the dissection visual field without negative effect.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one described in the present invention
A little embodiments, for those of ordinary skill in the art, other drawings may also be obtained based on these drawings.
Fig. 1 is the front view that cutter is dissected in teaching provided in an embodiment of the present invention；
Fig. 2 is the rearview that cutter is dissected in teaching provided in an embodiment of the present invention；
Fig. 3 is the vertical view that cutter is dissected in teaching provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of indicating arm provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of blade provided in an embodiment of the present invention.
Reference sign：
1, handle；2, blade；2.1, blade part；2.2, extension；3, indicating arm；3.1, first segment；3.2, second segment；
3.3, radially enlarged portion；4, connecting rod；5, limiting plate；6, adjusting key；7, connector；8, lug boss；9, strip hole；10, first
Dentalation；11, scale indicates；12, strip grooves.
Specific implementation mode
In order to make those skilled in the art more fully understand technical scheme of the present invention, below in conjunction with attached drawing to this hair
It is bright to be further detailed.
As shown in Figs. 1-5, cutter, including connected handle 1 and blade are dissected in a kind of teaching provided in an embodiment of the present invention
2, the blade 2 includes the blade part 2.1 of the arc-shaped shape for dissection, further includes depth instruction component, the depth instruction
Component includes indicating arm 3, connecting rod 4 and adjusting key 6, and indicating arm 3 is arranged along 2 length direction of the blade, is fitted in
On one side of the blade 2；Connecting rod 4 is arranged along 2 length direction of the blade, fits in the another of the blade 2
On one side, end is provided with limiting plate 5；The indicating arm 3 and the head end of connecting rod 4 are fixed in the adjusting key 6
On, the adjusting key 6 is slidably connected on the handle 1, the glide direction of the adjusting key 6 along the blade 2 length
Direction；Wherein, scale mark 11,3 He of the indicating arm are provided on side opposite with the indicating arm 3 on the blade 2
The end of connecting rod 4 is located on the same position of 2 length direction of the blade.
Specifically, handle 1, for holding, blade 2 cuts animal body to realize dissection, depth by its blade part 2.1
Instruction component is for providing depth instruction comprising three parts：Indicating arm 3, connecting rod 4 and adjusting key 6,3 He of indicating arm
Connecting rod 4 is arranged in parallel and is respectively arranged at the opposite sides of blade 2, and the extending direction of two rod pieces is along blade 2
Length direction arranges that is, blade 2 is sandwiched in the centre of indicating arm 3 and connecting rod 4, and adjusting key 6 is set on handle 1, connects simultaneously
Connect the end of indicating arm 3 and connecting rod 4, adjusting rod can be along length direction (namely 3 He of indicating arm of blade 2 on handle 1
The axial direction of connecting rod 4) sliding, the head end of indicating arm 3 and connecting rod 4 so can be adjusted in blade 2 by the activity of adjusting key 6
On relative position.
In the present embodiment, the end of connecting rod 4 is connected with limiting plate 5, the side opposite with the indicating arm 3 on blade 2
On be provided with scale mark 11, scale mark 11 for indicate dissection depth, i.e., blade part 2.1 to scale mark 11 at ruler
It is very little, in use, predefining the depth that this time dissection needs, adjusting key 6 is pushed so that the head end of indicating arm 3 reaches scale mark
On 11 at corresponding size, since indicating arm 3 and connecting rod 4 are on the same position of 2 length direction of blade, limiting plate 5 at this time
It is in identical depth location with 3 head end of indicating arm.After depth adjustment, holds scalpel and carry out sectility, study personnel are logical
The side with indicating arm 3 is crossed to be observed, and when scalpel target depth, limiting plate 5 can abut upper limit object so that
Study personnel can direct feel arrive, and cannot further increase dissection depth, so realize effective control to dissecting depth
System, and the visual field of study personnel's when dissected is not influenced.
Cutter is dissected in teaching provided in an embodiment of the present invention, and it is deep to position dissection by indicating arm 3 by dissection personnel when use
Degree, depth is limited by limiting plate 5, and 3 size of indicating arm is smaller, minimum or even without influence on dissection visual field effects, is so existed
Effective control to dissecting depth is realized under the premise of to dissecting the visual field without negative effect.
As shown in figure 4, in the present embodiment, further, the indicating arm 3 includes first segment 3.1 and second segment 3.2, institute
Stating has a radially enlarged portion 3.3 on first segment 3.1, the outer surface in the radially enlarged portion 3.3 is provided with resistance lines, described
Radially enlarged portion 3.3 is internally provided with screw hole, and one end of the second segment 3.2 is bolted in the screw hole, the screw hole
Between 10mm-30mm, radially enlarged portion 3.3 is rotated for finger to adjust the entire length of indicating arm 3 depth, is so worked as
There is error in the length of indicating arm 3 and connecting rod 4, or when the position difference for dissecting used blade part 2.1 causes to limit
When the different parts in portion are limited, the depth for finely tuning indicating arm 3 is needed to be corresponded to, so by rotating radially enlarged portion
3.3 being adjusted.
In the present embodiment, further, the bottom of the screw hole is provided with spring, and the end of the second segment 3.2 is supported
The spring is connect, setting spring provides tension between first segment 3.1 and second segment 3.2 so that first segment 3.1 and second segment 3.2
The length of indicating arm 3 will not be voluntarily rotated and changed in use.
In the present embodiment, further, the limiting plate 5 is rotationally connected in the connecting rod 4, in the connecting rod 4
Terminal region be provided with lug boss 8, the lug boss 8 is limited in the rotational travel of the limiting plate 5, the limiting plate 5
By the limit of the lug boss 8 to be only capable of rotating within the scope of 90 degree of 4 end of the connecting rod, the rotation of limiting plate 5 can be more preferable
The different anatomical object of adaptation, different surfaces effectively can be abutted and be limited, lug boss 8 can be it is block-like,
Rod-shaped bulge-structure, abutting the limiting plate 5 gone at certain angle makes it that can not be rotated further, so that limiting plate 5
Always it is unlikely to arbitrary rotation in effective operating angle.
In the present embodiment, further, limiting plate 5 is arc panel, the arc of the arc panel and the blade part 2.1
Arc shape it is identical, so no matter dissected with that position of blade part 2.1 force, limiting plate 5 can be preferable
It is corresponded to and is limited.
In the present embodiment, further, it is provided with strip hole 9 on the blade 2, further includes running through the strip hole 9
The both ends of connector 7, the connector 7 are connected with the indicating arm 3 and connecting rod 4 respectively, connector 7 can be rod piece or
Block is used to connect together the two with the middle part of connecting rod 4 in indicating arm 3, prevents the two rod piece head ends from quivering
Dynamic or deformation displacement ensures whole better stability by being connected as one.
As shown in figure 5, in the present embodiment, further, one end far from the blade part 2.1 on the blade 2 is set
It is equipped with the extension 2.2 extended along width direction, connecting hole is provided on the extension 2.2, the blade 2 passes through connection
Hole connects the handle 1, and strip hole 9 reduces the integral strength of blade 2, increases blade 2 and handle of a knife by the way that extension 2.2 is arranged
Bonding strength.
In the present embodiment, further, the scale mark 11 includes more straight lines being set up in parallel and is set to described
The scale value of straight line side；The straight line and scale value have two groups, two with the blade part 2.1 respectively of straight line described in two groups
Partial tangent line is parallel, so when using the different piece of blade part 2.1 to carry out when dissected, there is more corresponding straight line mark
Know scale.Highly preferred, scale marker is the arc group parallel with blade part 2.1, so more can accurately be realized pair
Dissect the simulation of depth.
In the present embodiment, further, strip grooves 12 are provided on the handle 1, the adjusting key 6 is located at the strip
In slot 12, the top surface of the adjusting key 6 is non-bulging in the outer surface of the handle 1, i.e., in use, adjusting key 6 will not touch
The hand of user of service so prevents adjusting key 6 from coughing up the hand of user of service, reduces the negative effect to user of service.
In the present embodiment, further, the adjusting key 6 includes pedestal and keycap, the indicating arm 3 and connecting rod 4
It is connected on the pedestal, the pedestal is slidably connected to along 2 length direction of the blade on the handle 1, the keycap
It is slidably connected on the pedestal along the thickness direction of the blade 2, one end of the active strokes of the keycap protrudes from institute
The surface of handle 1 is stated, the other end is non-bulging in the surface of the handle 1；It is provided with first in the groove bottom wall of the strip grooves 12
Dentalation 10 is provided with the second dentalation on the bottom surface of the keycap, when the non-bulging table in the handle 1 of the keycap
When face, first dentalation, 10 and second dentalation is meshed, when needing to adjust the position of indicating arm 3, by keycap
The surface smoked and it is made to protrude from hand, at this time adjusting key 6 can reciprocatingly slide with adjusting position, when carrying out when dissected, pressure
Lower keycap is so that top surface is non-bulging when the surface of the handle 1, at this time due to the first dentalation 10 and the second dentation knot
Structure is meshed, and adjusting key 6 can not move back and forth, i.e., by the pressure of anatomical object depth will not be referred to because of limiting plate 5
Show that component is subjected to displacement.Meanwhile dissection operation cannot be carried out when adjusting key 6 protrudes from the surface of the handle 1, it indicates at this time
Bar 3 is possible to automatic moving, can give one visual indication signal of user of service.
Above certain exemplary embodiments that the present invention is only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain without departing from the spirit and scope of the present invention can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (9)
1. cutter, including connected handle and blade are dissected in a kind of teaching, the blade includes the arc-shaped shape for dissection
Blade part, which is characterized in that further include depth instruction component, the depth instruction component includes：
Indicating arm is arranged along the length direction of the blade, is fitted on a side of the blade；
Connecting rod is arranged along the length direction of the blade, is fitted on another side of the blade, end
It is provided with limiting plate；
The head end of adjusting key, the indicating arm and connecting rod is fixed on the adjusting key, and the adjusting key is slidably connected to
On the handle, the glide direction of the adjusting key along the blade length direction；
Wherein, scale mark, the indicating arm and connecting rod are provided on side opposite with the indicating arm on the blade
The end length direction that is located at the blade same position on；
The limiting plate is rotationally connected in the connecting rod, and the terminal region in the connecting rod is provided with lug boss, described
Lug boss is limited in the rotational travel of the limiting plate, and the limiting plate is only capable of by lug boss limit in the connection
It is rotated within the scope of 90 degree of bar end；
The scale is denoted as the curved line parallel with blade part.
2. cutter is dissected in teaching according to claim 1, which is characterized in that the indicating arm includes first segment and second
Section, there is a radially enlarged portion, the outer surface in the radially enlarged portion is provided with resistance lines, the radial direction on the first segment
Bulb is internally provided with screw hole, and one end of the second segment is bolted in the screw hole, the depth of the screw hole between
Between 10mm-30mm.
3. cutter is dissected in teaching according to claim 2, which is characterized in that the bottom of the screw hole is provided with spring, institute
State spring described in the end abutment of second segment.
4. cutter is dissected in teaching according to claim 3, which is characterized in that the limiting plate is arc panel, the arc
The arc of plate is identical as the shape of the arc of the blade part.
5. cutter is dissected in teaching according to claim 1, which is characterized in that be provided with strip hole on the blade, also wrap
The connector through the strip hole is included, the both ends of the connector are connected with the indicating arm and connecting rod respectively.
6. cutter is dissected in teaching according to claim 5, which is characterized in that the one of the separate blade part on the blade
End is provided with the extension extended along width direction, connecting hole is provided on the extension, the blade passes through connecting hole
Connect the handle.
7. cutter is dissected in teaching according to claim 1, which is characterized in that the scale mark is more including being set up in parallel
Root straight line and the scale value for being set to the straight line side；
The straight line and scale value have two groups, and straight line described in two groups is equal with the tangent line of two parts of the blade part respectively
Row.
8. cutter is dissected in teaching according to claim 1, which is characterized in that strip grooves are provided on the handle, it is described
Adjusting key is located in the strip grooves, and the top surface of the adjusting key is non-bulging in the outer surface of the handle.
9. cutter is dissected in teaching according to claim 8, which is characterized in that the adjusting key includes pedestal and keycap, institute
It states indicating arm and connecting rod is connected on the pedestal, the pedestal is slidably connected to described along the length direction of the blade
On handle, the keycap is slidably connected to along the thickness direction of the blade on the pedestal, the active strokes of the keycap
One end protrude from the surface of the handle, the other end is non-bulging in the surface of the handle；
It is provided with the first dentalation in the groove bottom wall of the strip grooves, the second dentation knot is provided on the bottom surface of the keycap
Structure, when the keycap it is non-bulging in the surface of the handle when, first dentalation and the second dentalation are meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902272.4A CN107582204B (en) | 2017-09-29 | 2017-09-29 | Teaching dissection cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902272.4A CN107582204B (en) | 2017-09-29 | 2017-09-29 | Teaching dissection cutter |
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| Publication Number | Publication Date |
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| CN107582204A CN107582204A (en) | 2018-01-16 |
| CN107582204B true CN107582204B (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710902272.4A Active CN107582204B (en) | 2017-09-29 | 2017-09-29 | Teaching dissection cutter |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109229642B (en) * | 2018-08-28 | 2020-07-24 | 深圳市思榕科技有限公司 | Cut easy tear mouth equipment |
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| CN201617913U (en) * | 2010-02-25 | 2010-11-03 | 周文莹 | Cutting depth-controllable operating knife blade |
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| CN202446209U (en) * | 2012-02-15 | 2012-09-26 | 李玉新 | Universal scalpel with scales |
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| CN105030304A (en) * | 2015-08-07 | 2015-11-11 | 云南省第二人民医院 | Adjustable minimally invasive skin cutting knife |
| CN106175887A (en) * | 2015-05-06 | 2016-12-07 | 章小进 | A kind of scalpel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130505Y (en) * | 1992-09-26 | 1993-04-28 | 王广顺 | Depth-controlled crust cutter |
| CN205514793U (en) * | 2016-01-26 | 2016-08-31 | 丁敏勇 | Scalpel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2824851Y (en) * | 2005-10-25 | 2006-10-11 | 朱峰 | Adjustable position-limited operating knife with double edge |
| CN201617913U (en) * | 2010-02-25 | 2010-11-03 | 周文莹 | Cutting depth-controllable operating knife blade |
| CN201719334U (en) * | 2010-06-09 | 2011-01-26 | 南阳医学高等专科学校第一附属医院 | Depth sign adjustable scalpel |
| CN202446209U (en) * | 2012-02-15 | 2012-09-26 | 李玉新 | Universal scalpel with scales |
| CN203029342U (en) * | 2012-11-28 | 2013-07-03 | 南通康盛医疗器械有限公司 | Limiting scalpel |
| CN204306874U (en) * | 2014-12-10 | 2015-05-06 | 安红敏 | A kind of obstetrics and gynecology department scalpel |
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| CN107582204A (en) | 2018-01-16 |
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