CN109431568A - A kind of auxiliary device and stapler for stapler - Google Patents
A kind of auxiliary device and stapler for stapler Download PDFInfo
- Publication number
- CN109431568A CN109431568A CN201811548301.2A CN201811548301A CN109431568A CN 109431568 A CN109431568 A CN 109431568A CN 201811548301 A CN201811548301 A CN 201811548301A CN 109431568 A CN109431568 A CN 109431568A
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- Prior art keywords
- gear
- extension device
- stapler
- lock
- auxiliary device
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- 238000003825 pressing Methods 0.000 claims description 29
- 235000014676 Phragmites communis Nutrition 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000000806 elastomer Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000004826 seaming Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 18
- 230000003872 anastomosis Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 7
- 244000273256 Phragmites communis Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010019909 Hernia Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 208000014617 hemorrhoid Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
Abstract
The invention discloses a kind of auxiliary devices and stapler for stapler, belong to the field of medical instrument technology.Auxiliary device provided by the present invention includes the first extension device, second extension device and lock-in component, by by the first extension device, the rotation connection of second extension device can be realized the angle adjusted between the first extension device and the second extension device according to the position and operating angle of pricking pocket, be conducive to improve the operation effectiveness and operating efficiency for pricking pocket operation, reduce the task difficulty for pricking pocket operation, and pass through setting lock-in component, it can be when executing bundle pocket operation by the angle locking between the first extension device and the second extension device, be conducive to improve the stability and safety pricked in pocket operation process.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of auxiliary devices and stapler for stapler.
Background technique
Stapler is medically used for the equipment that substitutes doctor's manual suture, mainly includes nail seat and operation
Handle, nail seat are mainly used for completing to prick pocket operation, and operation handle is convenient for doctor's hand-held.Stapler have reliable in quality,
The advantages that easy to use, tight, elastic suitable, stitching speed is fast, easy to operate and safety and sanitation.Not according to use occasion
Together, existing stapler can be divided into skin stapler, alimentary canal circular staplers, rectum coinciding equipment, circular hemorrhoid anastomat, packet
Skin circumcision stapler, blood vessel anastomat and hernia stapler.
When carrying out some particular procedures, such as when operation on digestive tract, for the ease of doctor's operation, often need using extension
Auxiliary device of the part as stapler.Existing extension device is mostly linearly plastic bar, and nail seat is fixed on the one of extension device
End, doctor holds the other end of extension device at the time of surgery, and nail seat is sent to target position and carries out pricking pocket operation.But due to
Extension device is linearly, and can not bend, and has one when adjusting nail seat direction and position using extension device conveying nail seat
It settles finally sex-limited, to seriously affect the effect and efficiency for pricking pocket.
Summary of the invention
The purpose of the present invention is to provide a kind of auxiliary devices and stapler for stapler, to solve straight line extension device
There is limitation when adjusting nail seat direction and position, the problem that operation effectiveness is poor and operating efficiency is low.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of auxiliary device for stapler, including the first extension device, the second extension device and lock-in component；
One end of first extension device and one end of second extension device are rotatablely connected；
The lock-in component, which is configured with, makes first extension device and second extension device be in rotary shape
The first position of state and first extension device and second extension device is made to be in the second position of stationary state.
Preferably, one end rotation of first extension device is provided with first gear, one end of second extension device
It is fixedly connected with second gear, the second gear is rotatably arranged on first extension device one end, the first gear and institute
State second gear engagement.
Preferably, the lock-in component includes the first lock gear, the second lock gear and sealed driving mechanism, described second
It locks gear to be arranged on second extension device, the first lock gear is under the action of the sealed driving mechanism with described the
Two lock gear engagements or separation.
Preferably, the sealed driving mechanism includes pressing lever, the pressing lever is located inside first extension device,
The first lock gear is arranged on the pressing lever, and the pressing lever is configured to the axis along first extension device
Direction is mobile, so that the first lock gear is engaged or separated with the second lock gear.
Preferably, the sealed driving mechanism further include:
Elastic latch hook, described elastic latch hook one end are connect with the pressing lever, and the other end is provided with hook, the hook quilt
It is configured to be clamped with the card slot on first extension device；
Unlocking part, the unlocking part can drive the hook to be detached from out of described card slot；
Elastomer, the elastomer sleeve are located on the pressing lever, for locking for the first lock gear and described second
The separation of gear provides power.
Preferably, the unlocking part includes elastic unblock button, the elasticity unblock button is arranged described first
Outside extension device, and described elastic unblock button one end is connect with first extension device, and the other end is provided with solution closing piece, described
It solves closing piece and the card slot face is arranged, the solution closing piece is configured to that the hook is driven to be detached from from the card slot.
Preferably, the auxiliary device for stapler further include:
Compress elastic element, the top for compressing elastic element and being located at the first gear, and described compress elastic member
One end of part is fixed on first extension device, and the other end is abutted with the first gear.
Preferably, the auxiliary device for stapler further include:
Third gear and rack gear, the third gear are rotatably connected on first extension device, the third gear with
The first gear transmission connection, the third gear and rack gear engagement, and the rack gear is configured to along described
The axis direction of first extension device is mobile.
Preferably, the lock-in component includes rotation lock tooth, the rotation lock tooth is circumferentially arranged arc gear teeth section,
The arc gear teeth section is configured as selectively engaging or separating with the rack gear.
Preferably, the lock-in component further include:
Thumbwheel switch, the thumbwheel switch are rotatably connected in first extension device, and part-structure prominent described the
Switch slot setting on one extension device, the thumbwheel switch and the rotation lock tooth are sequentially connected, for driving the rotation lock
Tooth rotation.
Preferably, the thumbwheel switch includes the shifting disc and the 4th gear of coaxial arrangement, the diameter of the shifting disc
Greater than the diameter of the 4th gear, the prominent switch slot of the shifting disc is arranged, the 4th gear and the rotation lock
Tooth transmission connection.
Preferably, being provided with anti-skid structure on the side wall of the shifting disc.
Preferably, the anti-skid structure includes gum cover and anti-skid design, the gum cover and the anti-skid design are described in
Shifting disc side wall is provided at circumferentially spaced, and the position of one of them in both the gum cover and the anti-skid design is configured as
The corresponding arc gear teeth section is engaged with the rack gear, another position be configured as corresponding to the arc gear teeth section with it is described
Rack gear separation.
Preferably, the rotation lock tooth includes the 5th gear and sealed disk of coaxial arrangement, the 5th gear and institute
The engagement of the 4th gear is stated, is provided with the arc gear teeth section on the sealed disk.
Preferably, the lock-in component includes worm component, the worm component is rotatably connected on described first and extends
It in part, and is engaged with the rack gear, the worm component is configured to drive the rack gear along first extension device
Axis direction is mobile, and the worm component and the rack gear can be self-locking.
Preferably, the lock-in component further include:
Thumbwheel switch, the thumbwheel switch are rotatably connected in first extension device, and part-structure prominent described the
Switch slot setting on one extension device, the thumbwheel switch and the worm component are sequentially connected, for driving the worm screw group
Part rotation.
Preferably, the thumbwheel switch includes the shifting disc and the 4th gear of coaxial arrangement, the diameter of the shifting disc
Greater than the diameter of the 4th gear, the prominent switch slot of the shifting disc is arranged, the 4th gear and the worm screw group
Part transmission connection.
Preferably, in both first extension device and second extension device one be provided with rotation slot, another
It is provided with turntable, the turntable is rotatably connected in the rotation slot.
Preferably, the lock-in component includes the multiple boss being circumferentially arranged along the turntable and is arranged at described turn
Convex ribs on dynamic slot inside, the convex ribs are configured as selectively being connected between two adjacent boss or described convex
It is slided on platform.
A kind of stapler, including nail seat, further include the above-mentioned auxiliary device for stapler, and the nail seat is detachably connected
In the other end of second extension device.
Preferably, be provided with circlip pipe in the nail seat, it is provided with Clip Reed on the circlip pipe, on the Clip Reed
It is provided with card convex, clamping groove is provided on the other end of second extension device, the other end of second extension device is located at institute
It states in circlip pipe, and the card convex and clamping groove clamping.
Beneficial effects of the present invention:
The present invention provides a kind of auxiliary device for stapler, which be can be realized according to the position for pricking pocket
It sets and operating angle adjusts angle between the first extension device and the second extension device, be conducive to improve the operation for pricking pocket operation
Effect and operating efficiency reduce the task difficulty for pricking pocket operation.And by setting lock-in component, pocket work can be pricked executing
By the angle locking between the first extension device and the second extension device when industry, be conducive to improve the stability pricked in pocket operation process
And safety.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram for the auxiliary device for stapler that the embodiment of the present invention one provides；
Fig. 2 is the schematic diagram of internal structure for the auxiliary device for stapler that the embodiment of the present invention one provides；
Fig. 3 is the structural schematic diagram of part A in Fig. 2；
Fig. 4 is the structural schematic diagram for the second extension device that the embodiment of the present invention one provides；
Fig. 5 is the structural schematic diagram of the nail seat of stapler provided by the invention；
Fig. 6 is the external structure schematic diagram of the auxiliary device provided by Embodiment 2 of the present invention for stapler；
Fig. 7 is the schematic diagram of internal structure of the auxiliary device provided by Embodiment 2 of the present invention for stapler；
Fig. 8 is the structural schematic diagram of part B in Fig. 7；
Fig. 9 is the structural schematic diagram of thumbwheel switch provided by Embodiment 2 of the present invention；
Figure 10 is the structural schematic diagram of rotation lock tooth provided by Embodiment 2 of the present invention；
Figure 11 is the external structure schematic diagram for the auxiliary device for stapler that the embodiment of the present invention three provides；
Figure 12 is the schematic diagram of internal structure for the auxiliary device for stapler that the embodiment of the present invention three provides；
Figure 13 is the structural schematic diagram of C portion in Figure 12；
Figure 14 is the structural schematic diagram for the worm component that the embodiment of the present invention three provides；
Figure 15 is the external structure schematic diagram for the auxiliary device for stapler that the embodiment of the present invention four provides；
Figure 16 is the structural schematic diagram for the first extension device that the embodiment of the present invention four provides；
Figure 17 is the structural schematic diagram for the second extension device that the embodiment of the present invention four provides.
In figure:
1, the first extension device；2, the second extension device；3, second gear；4, first gear；5, elastic element is compressed；6, it presses
Bar；7, the first lock gear；8, the second lock gear；9, elastomer；10, elastic latch hook；11, elastic unblock button；12, lock rotation is pressed
Button；13, third gear；14, rotation lock tooth；141, sealed disk；142, the 5th gear；143, arc gear teeth section；15, rack gear；16,
Thumbwheel switch；161, shifting disc；162, the 4th gear；17, sliding block；18, worm component；181, the 6th gear；182, turbine rod；
19, rotation slot；20, convex ribs；21, turntable；22, boss；
100, auxiliary device；200, nail seat；210, circlip pipe；220, Clip Reed.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", only
For descriptive purposes, it is not understood to indicate or imply relative importance.Wherein, term " first position " and " second position "
For two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connection,
It is also possible to be electrically connected；It can be directly connected, can also can be inside two elements indirectly connected through an intermediary
Connection.For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
Embodiment one
A kind of auxiliary device 100 for stapler is present embodiments provided, which can play expansion kiss
Clutch opereating specification improves stapler operating flexibility, pricks pocket effect and operating efficiency, reduces stapler task difficulty
Effect.Specifically, as shown in Figures 1 to 4, which includes the first extension device 1, the second extension device 2 and sealed group
Part, wherein one end of the first extension device 1 and the rotation connection of one end of the second extension device 2.Lock-in component, which is configured with, makes
One extension device 1 and the second extension device 2 are in the first position for the state of can be rotated and make the first extension device 1 and the second extension device 2
The second position in stationary state.
Before stapler executes and pricks pocket operation, need according to the position for pricking pocket and required operating angle adjustment first
Angle between extension device 1 and the second extension device 2.Specifically, first ensure that lock-in component is in first position, then user makes
First extension device 1 and the second extension device 2 relatively rotate, to change the folder between the first extension device 1 and the second extension device 2
Angle is until reach target angle.After the angle between the first extension device 1 and the second extension device 2 reaches target angle, change lock
The position of seaming element drives lock-in component to be moved to the second position by first position, so that the first extension device 1 and second be extended
Angle between part 2 is fixed, and the angle in stapler operation process between the first extension device 1 and the second extension device 2 is avoided to occur
Variation, and then guarantee to prick homework precision, operation stability and the operational security of pocket.In addition, the use of the auxiliary device 100
The operation effectiveness and operating efficiency for pricking pocket operation are also advantageously improved, the task difficulty for pricking pocket operation is reduced.
Specifically, mutually rotation is realized by gear assembly between the first extension device 1 and the second extension device 2, rotates angle
It is 0-360 °.In the present embodiment, gear assembly includes first gear 4 and second gear 3, and first gear 4 is rotatably arranged on
On one extension device 1, second gear 3 is fixedly connected on the second extension device 2, and first gear 4 and second gear 3 are intermeshed.The
One gear 4, which can be set, also can be set in the inside of the first extension device 1 in the outside of the first extension device 1, in the present embodiment
In, in order to improve structural compactness, safety in utilization and the aesthetic appearance of the auxiliary device 100, selection extends first
Accommodating hole is set along its axis direction in part 1, in the present embodiment, accommodating hole is through-hole, and by first gear 4 and second gear
3 are rotatably connected on the inner wall of accommodating hole.Further, in order to guarantee that first gear 4 and second gear 3 are at steadily
Meshing state, thus improve the first extension device 1 and 2 angle of the second extension device adjustment fluency, the top of first gear 4 also
Be provided with and compress elastic element 5, the one end for compressing elastic element 5 is fixed on the first extension device 1, the other end always with the first tooth
4 contact of wheel, and elastic element 5 is compressed always in compressive state.In the present embodiment, compressing elastic element 5 is helical spring.
Lock-in component can lock first and extend when the first extension device 1 and 2 angle of the second extension device are in target angle
Relative position between part 1 and the second extension device 2.Specifically, as shown in Fig. 2, lock-in component includes sealed driving mechanism, first
Gear 7 and the second lock gear 8 are locked, the second lock gear 8 is arranged on the second extension device 2, and the first lock gear 7 is in sealed driving mechanism
Under the action of with second lock gear 8 engagement or separate.In the present embodiment, sealed driving mechanism includes pressing lever 6, pressing lever
6 one end is provided with lock rotation button 12, and the other end is connected with the first lock gear 7, connection type can using being integrally formed or
It is fixedly connected after separately manufacturing, is not specifically limited herein again, as long as guaranteeing the position between the first lock gear 7 and pressing lever 6
Fixation.Pressing lever 6 is located in the accommodating hole of the first extension device 1, and locks the top setting of the prominent accommodating hole of rotation button 12, with
Just user presses pressing lever 6.Except of course that other can drive the first lock gear 7 relative to the second lock gear other than pressing lever 6
8 mobile mechanisms, are applied equally to the present embodiment.Second lock gear 8 and second gear 3 are disposed side by side on the second extension device 2
End, and second lock gear 8 and second gear 3 be arranged concentrically, when the second extension device 2 relative to the first extension device 1 occur turn
When dynamic, the second lock gear 8 and second gear 3 can synchronize rotate.
Second lock gear 8 is located at the underface of the first lock gear 7, is adjusting between the first extension device 1 and the second extension device 2
Angle when, first lock gear 7 and second lock gear 8 be in discrete state, between the first extension device 1 and the second extension device 2
Angle adjust to target angle, user's pressing lock, which revolves button 12, so that pressing lever 6 be driven to move downward makes the first lock tooth
Wheel 7 and the second lock gear 8 complete engagement, so that the angle between the first extension device 1 and the second extension device 2 is kept fixed, keep away
Exempt from the angle in the course of surgery between the first extension device 1 and the second extension device 2 to change, thus to the precision of operation and steady
It is qualitative to have an impact, threat is generated to the life security of patient.
Further, when needing to adjust the angle between the first extension device 1 and the second extension device 2 again, it is necessary first to
First lock gear 7 and the second lock gear 8 are unlocked.In the present embodiment, which further includes elastic latch hook 10, solution
Lock assembly and elastomer 9.Wherein, elastic latch hook 10 is in hook formation, specifically includes the first stock and hook, the first stock
One end is connect with hook, and the other end is fixedly connected on the intermediate position of pressing lever 6, and the extending direction and pressing lever of the first stock
It is at an acute angle between 6 axis direction.Be provided with card slot on the side wall of first extension device 1, when pressing driving pressing lever 6, hook with
Pressing lever 6 moves down, and can be connected in card slot.Unlocking part is elastic unblock button 11, elastic unblock button 11
In hook formation comprising the second stock conciliates closing piece, and one end of the second stock is connect with solution closing piece, and the other end is fixedly connected on
In the outside wall surface of first extension device 1, and solve closing piece and the setting of card slot face.Since elastic unblock button 11 has certain elasticity,
Pressing elastic unblock button 11 can make to solve closing piece towards, to be solved closing piece and the hook that is located at card slot in mobile close to the position of card slot
After contact, continues to press elastic unblock button 11, can make to eject hook out of card slot.Still further, in order to make
After first lock gear 7 and the second lock gear 8 complete unlock, pressing lever 6 can reset in time, to complete the first lock 7 He of gear
The unlock of second lock gear 8, it is next time sealed to carry out.Elastomer 9 is set on pressing lever 6, and elastomer 9 is preferably spiral
Spring, when the first lock gear 7 and the second lock gear 8 engage, helical spring be in compressive state, locks gear 7 and the to first
Two lock gears 8 complete unlock after, under the action of helical spring restoring force, pressing lever 6 can be driven to move upwards, thus make by
Compression bar 6 restores to initial position.
The present embodiment additionally provides a kind of stapler, which includes nail seat 200 and above-mentioned auxiliary device 100, nail seat
200 are detachably connected with the second extension device 2 far from one end of the first extension device 1.Specifically, as shown in figure 5, being set in nail seat 200
It is equipped with circlip pipe 210, Clip Reed 220 is provided on circlip pipe 210, the quantity of Clip Reed 220 is two, two Clip Reeds 220
Central axis about circlip pipe 210 is symmetricly set on the tube wall of circlip pipe 210.Second extension device 2 is far from the first extension device 1
End be provided with clamping groove, card convex is set on Clip Reed 220, to the second extension device 2 far from the first extension device 1 one end enter
After circlip pipe 210, clamping groove and card convex clamping are to block the second extension device 2.The stapler carry out prick pocket operation when,
Not only flexibility is high, and operating angle and position can be realized end to end anastomosis, end-to-side anastomosis and side to side anastomosis convenient for control, and
Operation effectiveness is good, and operating efficiency is high.
Embodiment two
Present embodiments provide a kind of auxiliary device 100 for stapler, as shown in Figure 6 to 8, the auxiliary device
100 include the first extension device 1, the second extension device 2 and lock-in component, wherein one end of the first extension device 1 and the second extension device 2
One end rotation connection, and the rotation axis of one end of the first extension device 1 and the rotation of the second extension device 2 is perpendicular to the first extension device 1
With the plane where the second extension device 2.Lock-in component can be configured as the first extension device 1 and the second extension device 2 is in rotation
The first position of state and the first extension device 1 and the second extension device 2 are in the second position of stationary state.
Specifically, the first extension device 1 is closed at one end, and the groove held convenient for user is provided in the closed end, separately
One end is provided with accommodating hole in the axial direction, and accommodating hole is blind hole.Second extension device 2 is rod-shaped mechanism, the first extension device 1 and the
Mutually rotation is realized by gear assembly between two extension devices 2, rotation angle is 0-360 °.In the present embodiment, gear assembly
It further include intermeshing third gear 13 and rack gear 15, rack gear 15 is matched other than including first gear 4 and second gear 3
The axis direction being set to along the first extension device 1 moves, and first gear 4, second gear 3 and third gear 13 are rotatably connected on
On the inner wall of the accommodating hole of one extension device 1, side of the third gear 13 far from rack gear 15 is engaged with first gear 4, and the first tooth
Wheel 4 is between second gear 3 and third gear 13.The setting of third gear 13, which can not only substitute, to be compressed elastic element 5 and mentions
The stability that high first gear 4 and second gear 3 engage is also convenient for being sequentially connected with lock-in component, to improve total
The fluency of each component movement, avoids interfering.The quantity of certain third gear 13 can for one, two or more
It is a, it is not specifically limited herein.
As shown in fig. 7, in the present embodiment, lock-in component includes thumbwheel switch 16, rotation lock tooth 14, thumbwheel switch 16 with
Rotation lock tooth 14 is sequentially connected, for driving rotation lock tooth 14 to rotate, in 14 rotation process of rotation lock tooth, and 14 quilt of rotation lock tooth
It is configured to selectively engage or separate with rack gear 15, when rotation lock tooth 14 is separated with rack gear 15, rack gear 15 can be along perpendicular
Histogram moves up and down, and when rotation lock tooth 14 is engaged with rack gear 15, the position of rack gear 15 is locked, and cannot move up and down again.
And one end due to rack gear 15 far from rotation lock tooth 14 is engaged with third gear 13, and when rack gear 15 moves up and down, 15 energy of rack gear
Enough driving third gears 13 rotate, so that first gear 4 and second gear 3 be driven successively to rotate.When second gear 3 rotates,
The second extension device 2 being fixedly connected with second gear 3 can rotate relative to the first extension device 1, to change first
Angle between extension device 1 and the second extension device 2.Reach target angle to the angle between the first extension device 1 and the second extension device 2
When spending, rotation lock tooth 14 is driven to rotate using thumbwheel switch 16, so that rotation lock tooth 14 be made to engage with rack gear 15, and then by rack gear
15 position is lockked, and prevents rack gear 15 from moving up and down, the angle between the first extension device 1 and the second extension device 2 can at this time
It is enough to maintain to fix.
Specifically, it as shown in figure 9, thumbwheel switch 16 includes the shifting disc 161 and the 4th gear 162 of coaxial arrangement, stirs
The diameter of disk 161 is greater than the diameter of the 4th gear 162.As shown in Figure 10, rotation lock tooth 14 includes the 5th gear of coaxial arrangement
142 and sealed disk 141, the diameter of the 5th gear 142 is less than the diameter of sealed disk 141, is provided with arc on the side wall of sealed disk 141
Shape gear teeth section 143, the quantity of arc gear teeth section 143 can be one or more, when the quantity of arc gear teeth section 143 is multiple
When, multiple arcs gear teeth section 143 is provided at circumferentially spaced on its side wall along sealed disk 141.Thumbwheel switch 16 and rotation lock tooth
14 are rotatably connected in the accommodating hole of the first extension device 1, and the 4th gear 162 and the engagement of the 5th gear 142.Rotate shifting disc
161 can drive the 4th gear 162 to rotate, so that the 5th gear 142 that engages with the 4th gear 162 be driven to rotate, when the
When five gears 142 rotate, sealed disk 141 can be synchronized and be rotated, and then rotate arc gear teeth section 143 with setting
Lock the engagement of rack gear 15 or separation of 14 side of tooth.For the ease of user's trackwheel switch 16, in the side wall of the first extension device 1
On be provided with switch slot, and make the prominent switch slot of the part-structure of shifting disc 161 to the outside of the first extension device 1.Shifting disc 161
Side wall on anti-skid structure can also be set, such as can be gum cover or anti-skid design etc..
It further, being capable of arc wheel on the sealed disk 141 of timely learning when rotating shifting disc 161 for the ease of user
Tooth section 143 and rack gear 15, which are in, engage or discrete state, can be by above-mentioned anti-skid structure according to certain regular along shifting disc
161 are provided at circumferentially spaced, such as on the shifting disc 161 circumferentially arranged anti-skid design for having three sections to be spaced apart, Mei Yiduan
One section of arc gear teeth section 143 shown in anti-skid design corresponding diagram 10, when turning to anti-skid design, illustrate sealed disk 141 with
Rack gear 15 engages, and when turning between adjacent both ends anti-skid design, illustrates that sealed disk 141 is separated with rack gear 15.It certainly can also
To use anti-skid design or gum cover simultaneously, by anti-skid design being provided at circumferentially spaced along shifting disc 161, and it is anti-at adjacent two sections
One section of gum cover is set between sliding decorative pattern, thus be utilized respectively anti-skid design and gum cover to represent sealed disk 141 different from rack gear 15
State.
It when rack gear 15 is separated with sealed disk 141, is moved up and down for the ease of user's driving rack gear 15, to change first
Angle between extension device 1 and the second extension device 2 is provided with sliding slot on the first extension device 1 side wall opposite with rack gear 15, sliding
Slot extends along the axis direction of the first extension device 1, and sliding block 17 is arranged on rack gear 15, and the prominent sliding slot of sliding block 17 to first extends
The external setting of part 1, user, which stirs sliding block 17 extending direction of rack gear 15 along the chute can be driven, to be moved up and down.Certainly at other
In embodiment, the closed end of prominent first extension device 1 of rack gear 15 can also be arranged, pass through the part outstanding of pull rack gear 15 reality
Existing rack gear 15 moves up and down.Certainly in other embodiments, it can also be not provided with individual thumbwheel switch 16, but will rotation
The outside of the first extension device 1 is arranged in the part-structure of lock tooth 14, or knob is arranged on the axis direction of rotation lock tooth 14,
Arc gear teeth section 143 and the engagement of rack gear 15 are realized by directly driving rotation lock tooth 14 or knob or is separated, but
Be this kind setting user experience it is lower, and easily rotation lock tooth 14 is caused to wear.
The present embodiment additionally provides a kind of stapler, which includes nail seat 200 and above-mentioned auxiliary device 100, nail seat
200 are detachably connected with the second extension device 2 far from one end of the first extension device 1.Specifically, as shown in figure 5, being set in nail seat 200
It is equipped with circlip pipe 210, Clip Reed 220 is provided on circlip pipe 210, the quantity of Clip Reed 220 is two, two Clip Reeds 220
Central axis about circlip pipe 210 is symmetricly set on the tube wall of circlip pipe 210.Second extension device 2 is far from the first extension device 1
End be provided with clamping groove, card convex is set on Clip Reed 220, to the second extension device 2 far from the first extension device 1 one end enter
After circlip pipe 210, clamping groove and card convex clamping are to block the second extension device 2.The stapler carry out prick pocket operation when,
Not only flexibility is high, and operating angle and position can be realized end to end anastomosis, end-to-side anastomosis and side to side anastomosis convenient for control, and
Operation effectiveness is good, and operating efficiency is high.
Embodiment three
Present embodiments provide a kind of auxiliary device 100 for stapler, as shown in Figure 11 to Figure 13, the auxiliary device
100 include the first extension device 1, the second extension device 2 and lock-in component, wherein one end of the first extension device 1 and the second extension device 2
One end rotation connection, and the rotation axis of one end of the first extension device 1 and the rotation of the second extension device 2 is perpendicular to the first extension device 1
With the plane where the second extension device 2.Lock-in component can be configured as the first extension device 1 and the second extension device 2 is in rotation
The first position of state and the first extension device 1 and the second extension device 2 are in the second position of stationary state.
The present embodiment is largely identical as the structure of the auxiliary device 100 in embodiment two, and difference is thumbwheel switch 16
The not instead of rotation lock tooth 14 being arranged between rack gear 15, worm component 18, as shown in figure 14, worm component 18 include coaxial
The 6th gear 181 and turbine rod 182 being arranged, the 6th gear 181 are engaged with the 4th gear 162, and turbine rod 182 is nibbled with rack gear 15
It closes.When turbine rod 182 rotates, rack gear 15 can be moved up and down, and the rotation direction of turbine rod 182 determines the movement of rack gear 15
Direction, such as when turbine rod 182 rotates forward, rack gear 15 is moved down, and when turbine rod 182 rotates backward, rack gear 15
It moves up, or when turbine rod 182 rotates forward, rack gear 15 is moved up, and when turbine rod 182 rotates backward, tooth
Item 15 moves down.Rack gear 15, which moves up and down, can drive the third gear 13 engaged with rack gear 15 to rotate, and then change first
Angle between extension device 1 and the second extension device 2.It adjusts to the angle between the first extension device 1 and the second extension device 2 to default
When angle, can stop operating thumbwheel switch 16, to make turbine rod 182 stop operating, at this time due to turbine rod 182 and rack gear
15 are in meshing state, therefore can be realized self-locking, and the angle between the first extension device 1 and the second extension device 2 can not also be sent out again
It is raw to change.
The present embodiment additionally provides a kind of stapler, which includes nail seat 200 and above-mentioned auxiliary device 100, nail seat
200 are detachably connected with the second extension device 2 far from one end of the first extension device 1.Specifically, as shown in figure 5, being set in nail seat 200
It is equipped with circlip pipe 210, Clip Reed 220 is provided on circlip pipe 210, the quantity of Clip Reed 220 is two, two Clip Reeds 220
Central axis about circlip pipe 210 is symmetricly set on the tube wall of circlip pipe 210.Second extension device 2 is far from the first extension device 1
End be provided with clamping groove, card convex is set on Clip Reed 220, to the second extension device 2 far from the first extension device 1 one end enter
After circlip pipe 210, clamping groove and card convex clamping are to block the second extension device 2.The stapler carry out prick pocket operation when,
Not only flexibility is high, and operating angle and position can be realized end to end anastomosis, end-to-side anastomosis and side to side anastomosis convenient for control, and
Operation effectiveness is good, and operating efficiency is high.
Example IV
Present embodiments provide a kind of auxiliary device 100 for stapler, as shown in Figure 15 to Figure 17, the auxiliary device
100 include the first extension device 1, the second extension device 2 and lock-in component, wherein one end of the first extension device 1 and the second extension device 2
One end rotation connection, and the rotation axis of one end of the first extension device 1 and the rotation of the second extension device 2 is perpendicular to the first extension device 1
With the plane where the second extension device 2.Lock-in component can be configured as the first extension device 1 and the second extension device 2 is in rotation
The first position of state and the first extension device 1 and the second extension device 2 are in the second position of stationary state.
In the present embodiment, the first extension device 1 and the second extension device 2, which are no longer realized by gear assembly, rotates, but logical
It crosses shaft and is directly realized by relative rotation.Specifically, as shown in figure 16, the bottom end of the first extension device 1 offers rotation slot 19, rotation
Slot 19 is arranged through the bottom end of 1 sum of the first extension device, and the two sidewalls of rotation slot 19 are provided with shaft hole.As shown in figure 17,
It is provided with turntable 21 on second extension device 2, turntable 21 is circular configuration, and the middle part of turntable 21 is provided with shaft hole, turntable 21
In in rotation slot 19, shaft passes through the shaft hole being arranged on 19 side wall of the first extension device 1 and rotation slot, by the first extension device 1
It is rotatablely connected with the second extension device 2.
Further, in the present embodiment, lock-in component includes the multiple boss 22 being circumferentially arranged along turntable 21 and sets
The convex ribs 20 on 19 side wall of rotation slot are set, convex ribs 20 can be set on the one of side wall of rotation slot 19, can also be at two
It is respectively provided on side wall, is not particularly limited herein.The height of boss 22 should not be too high, so that convex ribs 20 be enable to be configured as card
It connects between two adjacent lands 22 or is slided on boss 22 under external force.The number of convex ribs 20 with no restrictions, can
Think one or two, the quantity of boss 22 with no restrictions, is set according to running accuracy of the user to auxiliary device 100
It sets, when the quantity of boss 22 is n, the angle rotated every time is 360 °/n.In addition, for the ease of holding the first extension device 1
The adjusting for carrying out angle, is additionally provided with the groove held convenient for user at the intermediate position of the first extension device 1.
The present embodiment additionally provides a kind of stapler, which includes nail seat 200 and above-mentioned auxiliary device 100, nail seat
200 are detachably connected with the second extension device 2 far from one end of the first extension device 1.Specifically, as shown in figure 5, being set in nail seat 200
It is equipped with circlip pipe 210, Clip Reed 220 is provided on circlip pipe 210, the quantity of Clip Reed 220 is two, two Clip Reeds 220
Central axis about circlip pipe 210 is symmetricly set on the tube wall of circlip pipe 210.Second extension device 2 is far from the first extension device 1
End be provided with clamping groove, card convex is set on Clip Reed 220, to the second extension device 2 far from the first extension device 1 one end enter
After circlip pipe 210, clamping groove and card convex clamping are to block the second extension device 2.The stapler carry out prick pocket operation when,
Not only flexibility is high, and operating angle and position can be realized end to end anastomosis, end-to-side anastomosis and side to side anastomosis convenient for control, and
Operation effectiveness is good, and operating efficiency is high.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (21)
1. a kind of auxiliary device for stapler, which is characterized in that including the first extension device (1), the second extension device (2) and lock
Seaming element；
One end of first extension device (1) and one end of second extension device (2) are rotatablely connected；
The lock-in component, which is configured with, is in first extension device (1) and second extension device (2) rotatably
The first position of state and first extension device (1) and second extension device (2) is made to be in the second of stationary state
It sets.
2. the auxiliary device according to claim 1 for stapler, which is characterized in that
One end rotation of first extension device (1) is provided with first gear (4), and one end of second extension device (2) is fixed
It is connected with second gear (3), the second gear (3) is rotatably arranged on described first extension device (1) one end, the first gear
(4) it is engaged with the second gear (3).
3. the auxiliary device according to claim 2 for stapler, which is characterized in that
The lock-in component includes the first lock gear (7), the second lock gear (8) and sealed driving mechanism, the second lock gear
(8) be arranged on second extension device (2), it is described first lock gear (7) under the action of the sealed driving mechanism with institute
State the engagement of the second lock gear (8) or separation.
4. the auxiliary device according to claim 3 for stapler, which is characterized in that
The sealed driving mechanism includes pressing lever (6), and the pressing lever (6) is located at the first extension device (1) inside, described
First lock gear (7) is arranged on the pressing lever (6), and the pressing lever (6) is configured to along first extension device
(1) axis direction is mobile, so that first lock gear (7) is engaged or separated with second lock gear (8).
5. the auxiliary device according to claim 4 for stapler, which is characterized in that the sealed driving mechanism is also wrapped
It includes:
Elastic latch hook (10), described elastic latch hook (10) one end are connect with the pressing lever (6), and the other end is provided with hook, institute
Hook is stated to be configured to be clamped with the card slot on first extension device (1)；
Unlocking part, the unlocking part can drive the hook to be detached from out of described card slot；
Elastomer (9), the elastomer (9) are set on the pressing lever (6), for locking gear (7) and institute for described first
The separation for stating the second lock gear (8) provides power.
6. the auxiliary device according to claim 5 for stapler, which is characterized in that
The unlocking part includes elastic unblock button (11), and the elasticity unblock button (11) is arranged in first extension device
(1) external, and described elastic unblock button (11) one end is connect with first extension device (1), the other end is provided with solution closing piece,
The solution closing piece and the card slot face are arranged, and the solution closing piece is configured to drive the hook de- from the card slot
From.
7. the auxiliary device according to claim 2 for stapler, which is characterized in that further include:
It compresses elastic element (5), the top for compressing elastic element (5) and being located at the first gear (4), and described compresses bullet
One end of property element (5) is fixed on first extension device (1), and the other end is abutted with the first gear (4).
8. the auxiliary device according to claim 2 for stapler, which is characterized in that further include:
Third gear (13) and rack gear (15), the third gear (13) is rotatably connected on first extension device (1), described
Third gear (13) and the first gear (4) are sequentially connected, the third gear (13) and the rack gear (15) engagement, and institute
Rack gear (15) is stated to be configured to move along the axis direction of first extension device (1).
9. the auxiliary device according to claim 8 for stapler, which is characterized in that
The lock-in component includes rotation lock tooth (14), and the rotation lock tooth (14) is circumferentially arranged arc gear teeth section (143),
The arc gear teeth section (143) is configured as selectively engaging or separating with the rack gear (15).
10. the auxiliary device according to claim 9 for stapler, which is characterized in that the lock-in component further include:
Thumbwheel switch (16), the thumbwheel switch (16) are rotatably connected in first extension device (1), and part-structure is prominent
Switch slot setting on first extension device (1), the thumbwheel switch (16) and the rotation lock tooth (14) are sequentially connected, use
In driving rotation lock tooth (14) rotation.
11. the auxiliary device according to claim 10 for stapler, which is characterized in that
The thumbwheel switch (16) includes the shifting disc (161) and the 4th gear (162) of coaxial arrangement, the shifting disc (161)
Diameter be greater than the diameter of the 4th gear (162), the prominent switch slot of the shifting disc (161) is arranged, the described 4th
Gear (162) and the rotation lock tooth (14) are sequentially connected.
12. the auxiliary device according to claim 11 for stapler, which is characterized in that
Anti-skid structure is provided on the side wall of the shifting disc (161).
13. the auxiliary device according to claim 12 for stapler, which is characterized in that
The anti-skid structure includes gum cover and anti-skid design, and the gum cover and the anti-skid design are along the shifting disc (161) side
Wall is provided at circumferentially spaced, and the position of one of them in both the gum cover and the anti-skid design is configured as described in correspondence
Arc gear teeth section (143) is engaged with the rack gear (15), another position is configured as corresponding to the arc gear teeth section (143)
It is separated with the rack gear (15).
14. the auxiliary device according to claim 11 for stapler, which is characterized in that
The rotation lock tooth (14) includes the 5th gear (142) and sealed disk (141) of coaxial arrangement, the 5th gear
(142) it is engaged with the 4th gear (162), is provided with the arc gear teeth section (143) on the sealed disk (141).
15. the auxiliary device according to claim 8 for stapler, which is characterized in that
The lock-in component includes worm component (18), and the worm component (18) is rotatably connected on first extension device (1)
It is interior, and engaged with the rack gear (15), the worm component (18) is configured to drive the rack gear (15) along described
The axis direction of one extension device (1) is mobile, and the worm component (18) and the rack gear (15) can be self-locking.
16. the auxiliary device according to claim 15 for stapler, which is characterized in that the lock-in component also wraps
It includes:
Thumbwheel switch (16), the thumbwheel switch (16) are rotatably connected in first extension device (1), and part-structure is prominent
Switch slot setting on first extension device (1), the thumbwheel switch (16) and the worm component (18) are sequentially connected, use
In driving worm component (18) rotation.
17. the auxiliary device according to claim 16 for stapler, which is characterized in that
The thumbwheel switch (16) includes the shifting disc (161) and the 4th gear (162) of coaxial arrangement, the shifting disc (161)
Diameter be greater than the diameter of the 4th gear (162), the prominent switch slot of the shifting disc (161) is arranged, the described 4th
Gear (162) and the worm component (18) are sequentially connected.
18. the auxiliary device according to claim 1 for stapler, which is characterized in that
One is provided with rotation slot (19) in first extension device (1) and second extension device (2) the two, another setting
Have turntable (21), the turntable (21) is rotatably connected in the rotation slot (19).
19. the auxiliary device according to claim 18 for stapler, which is characterized in that
The lock-in component includes the multiple boss (22) being circumferentially arranged along the turntable (21) and is arranged in the rotation slot
(19) convex ribs on inside (20), the convex ribs (20) be configured as selectively being connected to two adjacent boss (22) it
Between or slide on the boss (22).
20. a kind of stapler, including nail seat (200), which is characterized in that further include described in claim any one of 1-19 for kissing
The auxiliary device (100) of clutch, the nail seat (200) are detachably connected on the other end of second extension device (2).
21. stapler according to claim 20, which is characterized in that
It is provided with circlip pipe (210) on the nail seat (200), is provided with Clip Reed (220) on the circlip pipe (210), it is described
It is provided with card convex on Clip Reed (220), clamping groove is provided on the other end of second extension device (2), described second extends
The other end of part (2) is located in the circlip pipe (210), and the card convex and clamping groove clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548301.2A CN109431568B (en) | 2018-12-18 | 2018-12-18 | Auxiliary device for anastomat and anastomat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811548301.2A CN109431568B (en) | 2018-12-18 | 2018-12-18 | Auxiliary device for anastomat and anastomat |
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| CN109431568A true CN109431568A (en) | 2019-03-08 |
| CN109431568B CN109431568B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811548301.2A Active CN109431568B (en) | 2018-12-18 | 2018-12-18 | Auxiliary device for anastomat and anastomat |
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Cited By (1)
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| CN109431568B (en) | 2024-01-30 |
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