CN209285655U - It is a kind of to punch stable spiral blood vessel punch - Google Patents
It is a kind of to punch stable spiral blood vessel punch Download PDFInfo
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- CN209285655U CN209285655U CN201821914584.3U CN201821914584U CN209285655U CN 209285655 U CN209285655 U CN 209285655U CN 201821914584 U CN201821914584 U CN 201821914584U CN 209285655 U CN209285655 U CN 209285655U
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- pipe shaft
- knife
- outer edge
- blood vessel
- punch
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Abstract
Stable spiral blood vessel punch is punched the utility model discloses a kind of, including the outer edge of a knife, pipe shaft and the outer housing being set in outside pipe shaft；The both ends of pipe shaft are separately connected the outer edge of a knife and pusher button, pipe shaft outer wall and outer housing spiral inner wall cooperate, pipe shaft drives the outer edge of a knife to rotate under the driving of pusher button, this kind punches stable spiral blood vessel punch and enables cutting tip more stable when carrying out punch operation by the mutual cooperation of the outer edge of a knife and interior cutter shaft, is not in the case where blade fixed link shakes offset in connecting inner hole；By the spiral projection cube structure of pipe shaft tail portion, so that the outer edge of a knife can cooperate when in use with interior cutter shaft plays good turning effort, so that it is also more laborsaving while the punching effect of the outer edge of a knife is more preferable, convenience is brought for user.
Description
Technical field
The utility model relates to a kind of blood vessel punch, it is specifically related to a kind of punch stable spiral blood vessel punching
Device belongs to medical instruments field.
Background technique
Punch as the term suggests exactly a kind of for the tool to punch that drills, punch according to its object to be punched not
With many types are divided into, blood vessel punch is exactly one of which, and blood vessel punch is usually used in cardiac operation, its energy
Enough progress for facilitating operation after punching on blood vessel, blood vessel punch is more compared to traditional scalpel craft aperture accuracy
It is good and easy to use, but most of blood vessel punch stability when punching to blood vessel is more short of now, generally
For many blood vessel punch cutter head and broach shell between be only merely package sliding connection type, such connection type makes
The being completely embedded property obtained between both is poor, so that cutter head can be in broach shell if hand is excessively exerted oneself when will lead to cutter head punching
In shift so that punch position and size be not accurate, and cutter head is not easy to be rotated with broach shell, so that will appear
Cutter head straight line punches more laborious situation.In view of the above-mentioned problems, carrying out innovative design on the basis of original blood vessel punch.
Utility model content
The technical problems to be solved in the utility model is to overcome the problems, such as existing, provides and a kind of punches stable spiral blood
Pipe punch.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The utility model, which provides, a kind of punches stable spiral blood vessel punch, including the outer edge of a knife, pipe shaft and set
The outer housing being located at outside pipe shaft；The both ends of the pipe shaft are separately connected the outer edge of a knife and pusher button, the pipe shaft outer wall with
The outer housing spiral inner wall cooperation, the pipe shaft drive the outer edge of a knife rotation under the driving of the pusher button.
As a kind of optimal technical scheme of the utility model, the outer left side of the pipe shaft is arranged in the outer edge of a knife,
And the interior cutter shaft installed inside the right end of the outer edge of a knife and the pipe shaft is connected with each other；One end of the pipe shaft is connected to described
The inside of outer housing, the right end of the pipe shaft are provided with pusher button, the inside of the pusher button and one end of reset spring
It is fixed to each other, and the other end of the reset spring is connected on the right end of the interior cutter shaft；The right end of the pipe shaft is symmetrically set
It is equipped with connection hooked scarf, and the external right lateral surface of pipe shaft is fixed with spiral convex block, and the connection hooked scarf is fixed in described
The outer surface of the right end of cutter shaft, the pusher button is additionally provided with connecting groove；The connection hooked scarf passes through the connecting groove
It is clamped with the lateral wall of the pusher button, and the pusher button stretches between the pipe shaft and the outer housing, and
The pipe shaft is cooperated by the spiral convex block and the outer housing spiral inner wall, and under the flexible promotion of the pusher button
The spiral convex block drives the pipe shaft rotation.
As a kind of optimal technical scheme of the utility model, the outer edge of a knife includes blade fixed link, broach shell, in connection
Hole and cutting tip, the cutting tip are fixed on the right end of the blade fixed link, and the outside packet of the blade fixed link
It is wrapped with the broach shell, and the inside of the broach shell offers the connection inner hole.
As a kind of optimal technical scheme of the utility model, the blade fixed link by the connection inner hole with it is described
Broach shell is fitting to connection, and the blade fixed link and the connection inner hole are polygonized structure, and the blade fixed link
Outside point of contact and it is described connection inner hole inside cutting dot interlace be arranged.
As a kind of optimal technical scheme of the utility model, the inside of the broach shell is fixed through being connected with the blade
Bar, and the outside right end of the broach shell is inlayed and is mounted on inside the left end of the pipe shaft, and the right end of the blade fixed link
With the interior cutter shaft left end and interconnection.
It further include protective case as a kind of optimal technical scheme of the utility model, the protective case is mounted on pipe shaft
Left side, and the protective case is covered in the outside of the outer edge of a knife.
It further include the gasket for being mounted on the left end of the pipe shaft as a kind of optimal technical scheme of the utility model.
As a kind of optimal technical scheme of the utility model, the lateral wall of the outer housing is symmetrically fixed with support level,
The support level, which at least has, puts forth effort portion what hand pressing pusher button played a supportive role.
The utility model beneficial effect achieved is: this kind punches stable spiral blood vessel punch by using circle
The setting for the cutting tip that pipe is process so that the concentricity of cutting tip and broach shell is more preferable, and is opened inside broach shell
If connection inner hole be polygonal shape, polygonal shape connection inner hole and same polygonal shape blade fixed link it is mutual
Cooperation, while the point of contact of both is in staggeredly setting structure, when the device uses blade fixed link with to connect inner hole mutually embedding
Close, being completely embedded property between the two is improved, and also can by blade fixed link it is stable be limited to connection inner hole
In, it is not in that blade fixed link is connecting that such setting, which enables cutting tip more stable when carrying out punch operation,
The case where offset is shaken in inner hole；It is such to be arranged so that the device is in the mistake used by the spiral projection cube structure of pipe shaft tail portion
Pipe shaft can be rotated by spiral convex block in journey, pipe shaft is rotating while to connect inner hole band cutting blade fixed link
It rotates, so that the cutting tip installed in blade fixed link can be driven to rotate, when in use convenient for the outer edge of a knife
It can cooperate with interior cutter shaft and play good turning effort, so that also more being saved while the punching effect of the outer edge of a knife is more preferable
Power brings convenience for user.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the utility model front cross-sectional structural schematic diagram；
Fig. 2 is that the utility model overlooks overall structure diagram；
Fig. 3 is the whole decomposition texture schematic diagram in the utility model front；
Fig. 4 is the outer edge of a knife left side structural schematic diagram of the utility model；
Fig. 5 is the outer edge of a knife schematic cross-sectional view of the utility model；
Fig. 6 is the utility model pipe shaft positive structure schematic；
Fig. 7 is the utility model pipe shaft overlooking structure diagram.
In figure: 1, the outer edge of a knife；101, blade fixed link；102, broach shell；103, inner hole is connected；104, cutting tip；2, interior
Cutter shaft；3, pipe shaft；4, support level；5, pusher button；6, reset spring；7, protective case；8, gasket；9, outer housing；10, connecting hook
Block；11, spiral convex block；12, connecting groove.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in figs. 1-7, the utility model provide it is a kind of punch stable spiral blood vessel punch, including the outer edge of a knife 1,
Pipe shaft 3 and the outer housing 9 being set in outside pipe shaft 3；The both ends of pipe shaft 3 are separately connected the outer edge of a knife 1 and pusher button 5, outside pipe shaft 3
Wall and 9 spiral inner wall of outer housing cooperate, and pipe shaft 3 drives the outer edge of a knife 1 to rotate under the driving of pusher button 5.
The outer left side of pipe shaft 3, and the interior cutter shaft 2 installed inside the right end of the outer edge of a knife 1 and pipe shaft 3 is arranged in the outer edge of a knife 1
It is connected with each other；One end of pipe shaft 3 is connected to the inside of outer housing 9, and the right end of pipe shaft 3 is provided with pusher button 5, pusher button 5
Inside and one end of reset spring 6 be fixed to each other, and the other end of reset spring 6 is connected on the right end of interior cutter shaft 2；Pipe shaft
3 right end is symmetrically arranged with connection hooked scarf 10, and the external right lateral surface of pipe shaft 3 is fixed with spiral convex block 11, and connecting hook
Block 10 is fixed on the right end of interior cutter shaft 2, and the outer surface of pusher button 5 is additionally provided with connecting groove 12；Connection hooked scarf 10 passes through company
The lateral wall for connecing groove 12 and pusher button 5 is clamped, and pusher button 5 stretches between pipe shaft 3 and outer housing 9, and pipe shaft 3
Cooperated by spiral convex block 11 and 9 spiral inner wall of outer housing, and spiral convex block 11 drives pipe under the flexible promotion of pusher button 5
Body 3 rotates.
The outer edge of a knife 1 includes blade fixed link 101, broach shell 102, connection inner hole 103 and cutting tip 104, cutting tip 104
It is fixed on the right end of blade fixed link 101, and the outside of blade fixed link 101 is enclosed with broach shell 102, and broach shell 102 is interior
Portion offers connection inner hole 103.
Blade fixed link 101 by connection inner hole 103 and broach shell 102 be fitting to connection, and blade fixed link 101 with connect in
Hole 103 is polygonized structure, and the outside point of contact of blade fixed link 101 is set with the inside cutting dot interlace for connecting inner hole 103
It sets.
The inside of broach shell 102, which is run through, is connected with blade fixed link 101, and the outside right end of broach shell 102 is inlayed and is mounted on pipe
Inside the left end of body 3, and the right end of blade fixed link 101 and interior 2 left end of cutter shaft and interconnection.
It further include protective case 7, protective case 7 is mounted on the left side of pipe shaft 3, and protective case 7 is covered in the outside of the outer edge of a knife 1.
It further include the gasket 8 for being mounted on the left end of pipe shaft 3, gasket 8 can be spaced pipe shaft 3 and the outer edge of a knife 1, can also make it
Junction has good leakproofness.
The lateral wall of outer housing 9 is symmetrically fixed with support level 4, and support level 4 at least has to be risen in hand pressing pusher button 5
Portion is puted forth effort in supporting role, and support level 4 makes punch when in use, can have good stability.
The device be it is a kind of punch stable spiral blood vessel punch, when needing using the device, in use, first
The protective case 7 for being wrapped in the outside of broach shell 102 is pulled up, the device in the raw under, at this time in cutter shaft 2 in reset spring 6
Under the action of keep the state opened, and interior cutter shaft 2, in the outside of the outer edge of a knife 1, hand is held in outer housing 9 by user later
Place, and hooked in support level 4 using finger, it can be by the stable placement of the device in the hand；Next begin to use the device,
It is marked on the blood vessel that will need to drill, then by 104 alignment mark of cutting tip, then to being applied at pusher button 5
Plus-pressure squeezes it, pushes pipe shaft 3, and the reset spring 6 while being squeezed of pusher button 5 is compressed therewith, and
And one end of reset spring 6 is mounted on interior cutter shaft 2, interior cutter shaft 2 is then closed under the action of the reset spring of compression 6, so that
The outer edge of a knife 1 forward action out of pipe shaft 3, the outer edge of a knife 1 can then realize the purpose of punching with interior 2 collective effect of cutter shaft at this time, cut
Paring blade 104 can then cut blood vessel mark, during cutting, hold and enable outer housing 9 after support level 4
Its rotation is enough driven by the spiral convex block 11 of 3 tail portion of pipe shaft, since the point of contact of cutting tip 104 and connection inner hole 103 is mutual
Staggeredly, so both is also driven in the rotation of blood vessel mark, so that the outer edge of a knife 1 and interior cutter shaft 2 are when cooperating cutting
There can be a rotation, so that the effect of punching is more preferable.
This kind punches the setting for the cutting tip that stable spiral blood vessel punch is process by using round tube, from
And the connection inner hole for making the concentricity of cutting tip and broach shell more preferable, and opening up inside broach shell is polygonal shape, it is polygon
The connection inner hole of shape shape and the blade fixed link of same polygonal shape cooperate, while the point of contact of both is set in interlocking
Structure is set, blade fixed link and connection inner hole are mutually chimeric when the device uses, and being completely embedded property between the two obtains
It improves, and stable being limited to of blade fixed link can also be connected in inner hole, it is such to be arranged so that cutting tip is carrying out
Can be more stable when punch operation, it is not in the case where blade fixed link shakes offset in connecting inner hole；Pass through pipe shaft
The spiral projection cube structure of tail portion, such setting is so that the device can carry out pipe shaft by spiral convex block during use
Rotation, pipe shaft is rotating while connection inner hole band cutting blade fixed link is also rotated, so that in blade fixed link
The cutting tip of installation can be driven to rotate, and can cooperate and play well with interior cutter shaft when in use convenient for the outer edge of a knife
Turning effort, so that it is also more laborsaving while the punching effect of the outer edge of a knife is more preferable, convenience is brought for user.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of punch stable spiral blood vessel punch, it is characterised in that: including the outer edge of a knife (1), pipe shaft (3) and be arranged
In the outer housing (9) of pipe shaft (3) outside；
The both ends of the pipe shaft (3) are separately connected the outer edge of a knife (1) and pusher button (5), pipe shaft (3) outer wall with it is described
The cooperation of outer housing (9) spiral inner wall, the pipe shaft (3) drive the outer edge of a knife (1) to revolve under the driving of the pusher button (5)
Turn.
2. a kind of stable spiral blood vessel punch is punched according to claim 1, which is characterized in that the outer edge of a knife
(1) outer left side in the pipe shaft (3) is set, and the internal installation of the right end of the outer edge of a knife (1) and the pipe shaft (3) is interior
Cutter shaft (2) is connected with each other；
One end of the pipe shaft (3) is connected to the inside of the outer housing (9), the right end of the pipe shaft (3) be provided with push rod by
Button (5), the inside of the pusher button (5) and one end of reset spring (6) are fixed to each other, and the reset spring (6) is another
One end is connected on the right end of the interior cutter shaft (2)；
The right end of the pipe shaft (3) is symmetrically arranged with connection hooked scarf (10), and the external right lateral surface of the pipe shaft (3) is fixed with
Spiral convex block (11), and connection hooked scarf (10) is fixed on the right end of the interior cutter shaft (2), the pusher button (5)
Outer surface is additionally provided with connecting groove (12)；
Connection hooked scarf (10) is clamped by the lateral wall of the connecting groove (12) and the pusher button (5), and described
Pusher button (5) stretches between the pipe shaft (3) and the outer housing (9), and the pipe shaft (3) passes through the spiral prominence
Block (11) and the outer housing (9) spiral inner wall cooperate, and the spiral convex block under the flexible promotion of the pusher button (5)
(11) pipe shaft (3) rotation is driven.
3. a kind of stable spiral blood vessel punch is punched according to claim 1, which is characterized in that the outer edge of a knife
It (1) include blade fixed link (101), broach shell (102), connection inner hole (103) and cutting tip (104), the cutting tip
(104) it is fixed on the right end of the blade fixed link (101), and is enclosed with the knife on the outside of the blade fixed link (101)
It covers (102), and the inside of the broach shell (102) offers the connection inner hole (103).
4. a kind of stable spiral blood vessel punch is punched according to claim 3, which is characterized in that the blade is solid
Fixed pole (101) is fitting to connection by the connection inner hole (103) and the broach shell (102), and the blade fixed link (101) and
The connection inner hole (103) is polygonized structure, and in the outside point of contact of the blade fixed link (101) and the connection
The inside cutting dot interlace in hole (103) is arranged.
5. a kind of stable spiral blood vessel punch is punched according to claim 4, which is characterized in that the broach shell
(102) inside, which is run through, is connected with the blade fixed link (101), and the outside right end of the broach shell (102) is inlayed and is mounted on
Inside the left end of the pipe shaft (3), and installed inside the right end of the blade fixed link (101) and the pipe shaft (3) interior
Cutter shaft (2) left end is connected with each other.
6. a kind of stable spiral blood vessel punch is punched according to claim 1, which is characterized in that further includes protection
It covers (7), the protective case (7) is mounted on the left side of pipe shaft (3), and the protective case (7) is covered in the outer of the outer edge of a knife (1)
Side.
7. a kind of stable spiral blood vessel punch is punched according to claim 1, which is characterized in that further includes installation
Gasket (8) in the left end of the pipe shaft (3).
8. a kind of stable spiral blood vessel punch is punched according to claim 1, which is characterized in that the outer housing
(9) lateral wall is symmetrically fixed with support level (4), and the support level (4), which at least has, plays branch in hand pressing pusher button (5)
Portion is puted forth effort in support effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914584.3U CN209285655U (en) | 2018-11-20 | 2018-11-20 | It is a kind of to punch stable spiral blood vessel punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914584.3U CN209285655U (en) | 2018-11-20 | 2018-11-20 | It is a kind of to punch stable spiral blood vessel punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209285655U true CN209285655U (en) | 2019-08-23 |
Family
ID=67645474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821914584.3U Active CN209285655U (en) | 2018-11-20 | 2018-11-20 | It is a kind of to punch stable spiral blood vessel punch |
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| Country | Link |
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| CN (1) | CN209285655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729870A (en) * | 2021-09-05 | 2021-12-03 | 华中科技大学同济医学院附属协和医院 | Blood vessel side wall perforating device |
-
2018
- 2018-11-20 CN CN201821914584.3U patent/CN209285655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729870A (en) * | 2021-09-05 | 2021-12-03 | 华中科技大学同济医学院附属协和医院 | Blood vessel side wall perforating device |
| CN113729870B (en) * | 2021-09-05 | 2023-03-14 | 华中科技大学同济医学院附属协和医院 | Blood vessel side wall perforating device |
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