CN109480935A - Nail bin groupware and stapler - Google Patents
Nail bin groupware and stapler Download PDFInfo
- Publication number
- CN109480935A CN109480935A CN201811405223.0A CN201811405223A CN109480935A CN 109480935 A CN109480935 A CN 109480935A CN 201811405223 A CN201811405223 A CN 201811405223A CN 109480935 A CN109480935 A CN 109480935A
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- China
- Prior art keywords
- drive rod
- work head
- nail bin
- connecting rod
- main body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The present invention relates to a kind of nail bin groupware and staplers.A kind of nail bin groupware, comprising: main body, including shell；Work head, the distal end articulated with main body；And driving mechanism, to drive work head to swing with respect to main body；Driving mechanism includes: the first drive rod, can be axially moved along shell；First connecting rod, one end are rotatably connected with the first drive rod, and the other end is rotatably connected with work head；First connecting rod is rotated around third axis relative to work head；Second drive rod can be axially moved along shell, and the direction of motion of the second drive rod and the first drive rod is opposite；Second connecting rod, one end are rotatably connected with the second drive rod, and the other end is rotatably connected with work head, and second connecting rod is rotated around four axistyle relative to work head, and four axistyle and third axis be not conllinear.The phenomenon that above-mentioned nail bin groupware, work head are reduced by the active force of single connecting rod, the active force dispersed distribution of first connecting rod and second connecting rod that work head is subject to respectively, alleviate work head stress raisers.
Description
Technical field
The present invention relates to medical instruments fields, more particularly to a kind of nail bin groupware and stapler.
Background technique
Currently, Minimally Invasive Surgery occupies the critical role in surgical operation.Stapler is commonly performed the operation in Minimally Invasive Surgery
Instrument.The working principle of stapler is to be clamped in lesions position by nail bin groupware, is cut off, while excision by lesion into
Row suture.
Stapler includes nail bin groupware, adapter and handle, and wherein nail bin groupware is detachably arranged on adapter.Tool
Body, the work head and the drive to drive work head to rotate that nail bin groupware includes the distal end articulated of main body and the main body
Motivation structure.Wherein, work head is the part in stapler to implement to cut off and suture.
Specifically, driving mechanism include can along the drive rod of the axial movement of shell and both ends respectively with drive rod and work
Make the connecting rod of head rotation connection.It is understood that connecting rod is with respect to work head in order to enable connecting rod is able to drive work head rotation
The axis of rotation need to deviate the axis setting of work head, and when swinging so as to cause driving mechanism driving work head, work head occurs
The phenomenon that stress raisers.
Summary of the invention
Based on this, it is necessary to provide a kind of nail bin groupware that can slow down work head stress raisers phenomenon.
A kind of nail bin groupware, comprising:
Main body, including shell；
Work head, the distal end articulated with the main body；
And driving mechanism, to drive the relatively described main body of the work head to swing；
The driving mechanism includes:
First drive rod can be axially moved along the shell；
First connecting rod, one end are rotatably connected with first drive rod, and the other end is rotatably connected with the work head；
The first connecting rod is rotated around third axis relative to the work head；
Second drive rod can be axially moved along the shell, and the fortune of second drive rod and first drive rod
It moves contrary；
Second connecting rod, one end are rotatably connected with second drive rod, and the other end is rotatably connected with the work head,
The second connecting rod is rotated around four axistyle relative to the work head, and the four axistyle and the third axis be not conllinear.
Above-mentioned nail bin groupware, first connecting rod and second connecting rod collective effect, driving work head is swung with respect to main body, so that work
The active force for making head by single connecting rod reduces.In addition, third axis and four axistyle be not conllinear, so that work head is distinguished
The active force dispersed distribution of the first connecting rod and second connecting rod that are subject to, and then the phenomenon that alleviate work head stress raisers.
The axisymmetrical of the third axis and four axistyle about the work head in one of the embodiments,.
The first connecting rod is identical with the length of the second connecting rod in one of the embodiments, first driving
The distance of axis of the bar with second drive rod apart from the shell is identical.
The driving mechanism further includes linkage unit in one of the embodiments,；First drive rod is to the master
When the distal direction movement of body, first drive rod drives the second drive rod movement by the linkage unit, and/or
Proximal movement from first drive rod to the main body when, first drive rod by the linkage unit drive institute
State the movement of the second drive rod.
The linkage unit includes the pulley being fixed on the shell and tensioning in one of the embodiments,
Rope；Described tensioned lines one end is fixedly connected with first drive rod, and the other end drives around the pulley and with described second
Bar is fixedly connected.
The linkage unit further includes first be fixedly connected with first drive rod in one of the embodiments,
Moving part and the second STATEMENT OF FEDERALLY SPONSORED being fixedly connected with second drive rod, the both ends of the tensioned lines are respectively with described first
Moving part and the second STATEMENT OF FEDERALLY SPONSORED are fixedly connected.
In one of the embodiments, the linkage unit include two tensioned lines and two pulleys, two
The tensioned lines bypass two pulleys respectively.
Two tensioned lines are symmetrically set in the two sides of the central axis of the main body in one of the embodiments,.
The linkage unit includes the first tooth being fixedly connected with first drive rod in one of the embodiments,
Item, the second rack gear being fixedly connected with second drive rod and between first rack gear and second rack gear
Gear, the gear engage assembly with first rack gear and second rack gear.
The driving component further includes first be fixedly connected with first drive rod in one of the embodiments,
Moving part and the second STATEMENT OF FEDERALLY SPONSORED being fixedly connected with second drive rod；First rack gear is fixed at first linkage
On part, second rack gear is fixed in second STATEMENT OF FEDERALLY SPONSORED.
First rack gear and first STATEMENT OF FEDERALLY SPONSORED are integrally formed in one of the embodiments, and/or described second
Rack gear and second STATEMENT OF FEDERALLY SPONSORED are integrally formed.
The present invention also provides a kind of staplers.
A kind of stapler, including nail bin groupware provided by the invention.
Above-mentioned stapler, including nail bin groupware provided by the invention, first connecting rod and second connecting rod collective effect drive work
Make head to swing with respect to main body, so that work head is reduced by the active force of single connecting rod.In addition, third axis and four axistyle are not
Collinearly, so that the active force dispersed distribution of first connecting rod and second connecting rod that work head is subject to respectively, and then work is alleviated
The phenomenon that making head stress raisers.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the nail bin groupware that one embodiment of the invention provides.
Fig. 2 is the M-M of nail bin groupware in Fig. 1 to schematic cross-section.
Fig. 3 be nail bin groupware in Fig. 1 work head with respect to the M-M after main body deflection certain angle to schematic cross-section.
Fig. 4 is the partial structure diagram of nail bin groupware in Fig. 1.
Fig. 5 is the decomposition texture schematic diagram of nail bin groupware in Fig. 1.
Fig. 6 is the structural schematic diagram of the first elevating arc and staple cartridge tray in Fig. 1.
Fig. 7 is the structural schematic diagram of hinge in Fig. 1.
Fig. 8 is the structural schematic diagram of the other direction of nail bin groupware shown in Fig. 1.
Fig. 9 is the partial enlarged view of A in Fig. 8.
Figure 10 is that nail bin groupware removes the top view after connector in Fig. 8.
Figure 11 be another embodiment of the present invention provides nail bin groupware partial structure diagram.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
As shown in Figures 1 to 10, the nail bin groupware 100 that one embodiment of the invention provides comprising main body 110 and main body
110 distal end articulated work head 130 and the driving mechanism to drive the opposite main body 110 of work head 130 to swing.Wherein, main
Body 110 includes shell 112.
It is understood that the distal end of main body 110, refer to doctor when using nail bin groupware 100, the separate doctor of main body 110
Raw one end.
Specifically, driving mechanism include can along shell 112 be axially moved the first drive rod 171, first connecting rod 173, can
The second drive rod 175 and second connecting rod 177 being axially moved along shell 112.Wherein, the second drive rod 175 and the first driving
The direction of motion of bar 171 is opposite.173 one end of first connecting rod is rotatably connected with the first drive rod 171, the other end and work head
130 are rotatably connected.177 one end of second connecting rod is rotatably connected with the second drive rod 175, and the other end rotatably connects with work head
It connects.Specifically, first connecting rod 173 is rotated around third axis c relative to work head 130, and second connecting rod 177 is opposite around four axistyle d
Work head rotation, four axistyle d and third axis c be not conllinear.It is understood that the axis of axial direction, that is, main body 110 of shell 112
To.
Above-mentioned nail bin groupware 100,177 collective effect of first connecting rod 173 and second connecting rod, driving work head 130 are relatively main
Body 110 is swung, so that work head 130 is reduced by the active force of single connecting rod.In other words, only there is one compared to traditional
The driving mechanism of connecting rod, in the present embodiment, when work head 130 swings equal angular, first connecting rod 173 and second connecting rod 177 divide
The active force for not being applied to work head 130 is smaller.In addition, third axis c and four axistyle d be not conllinear, so that work head
The active force dispersed distribution of 130 first connecting rods 173 being subject to respectively and second connecting rod 177, and then alleviate 130 part of work head
The phenomenon that stress is concentrated.
In addition, the first drive rod 171 and 173 direction of motion of the second drive rod are on the contrary, so that first connecting rod 173 and
Two connecting rods 175 act in the power in work head 130, and one is pulling force, and one is thrust, so that the rotation of work head 130
It is more clear to turn direction.And a pulling force and a thrust collective effect, so that the rotation of work head 130 is more smooth.
In the present embodiment, the axisymmetrical of third axis c and four axistyle d about work head 130.So that first connects
The power that bar 173 and second connecting rod 177 act in work head 130 is symmetrically distributed in work head 130, so that work head
130 be more uniformly stressed, is more avoided that the phenomenon that stress is concentrated.
Further, in this embodiment first connecting rod 173 is identical with the length of second connecting rod 177, the first drive rod 171
It is arranged with the axisymmetrical of the opposite shell 112 of the second drive rod 175.So that when work head 130 swings certain angle, first
Drive rod 171 is identical with the displacement of the second drive rod 175, and then convenient for the first drive rod 171 of control and the second drive rod 175
Movement.Specifically, the first drive rod 171 of control is identical and contrary with the size of the movement velocity of the second drive rod 175
?.
Specifically, in the present embodiment, driving mechanism further includes linkage unit；First drive rod 171 is to the distal end of main body 110
When direction moves, the first drive rod 171 drives the second drive rod 175 synchronous but counter motion by linkage unit.Linkage unit
Setting that the first drive rod 173 can more accurately be arranged is identical with the size of the speed of the second drive rod 175.
More specifically, linkage unit includes the pulley 1791 being fixed on shell 112 and tensioned lines in the present embodiment
1793.Wherein, 1793 one end of tensioned lines is fixedly connected with the first drive rod 171, and the other end drives around pulley 1791 and with second
Lever 175 is fixedly connected.
In the present embodiment, main body 110 further includes primary structural component 115, and primary structural component 115 and shell 112 are relatively fixed.Pulley
1791 can be directly anchored on shell 112, can also be fixed on primary structural component 115, so that opposite shell 112 is fixed.
Pulley 1791 can change the direction of tensioned lines 1793, and the length that 1791 two sides tensioned lines of pulley increase or decrease
Unanimously, the present embodiment exactly utilize this principle realize the first drive rod 171 it is identical with the movement rate of the second drive rod 175,
The direction of motion is opposite.
Further, in this embodiment linkage unit further includes the first STATEMENT OF FEDERALLY SPONSORED being fixedly connected with the first drive rod 171
1795 and the second STATEMENT OF FEDERALLY SPONSORED 1797 for being fixedly connected with the second drive rod 175.The both ends of tensioned lines 1793 are respectively with first
Moving part 1795 is fixedly connected with the second STATEMENT OF FEDERALLY SPONSORED 1797.I.e. tensioned lines 1793 pass through the first STATEMENT OF FEDERALLY SPONSORED 1795 and the second linkage respectively
Part 1797 is fixedly connected with the first drive rod 171 and the second drive rod 175.
The setting of first STATEMENT OF FEDERALLY SPONSORED 1795 and the second STATEMENT OF FEDERALLY SPONSORED 1797 can directly drive with first to avoid tensioned lines 1793
Bar 171 is fixedly connected with the second drive rod 175, and the both ends of tensioned lines 1793 can be made to drive respectively with the first drive rod 171, second
175 direction of motion of lever is identical, can avoid occurring showing for 1793 oblique pull the first drive rod 171 of tensioned lines and the second drive rod 175
As.
In the present embodiment, linkage unit includes two tensioned lines 1793 and two pulleys 1791, and two tensioned lines 1793 are divided
It Rao Guo not two pulleys 1791.The connection of the first drive rod 171 and the second drive rod 175 is realized by two tensioned lines 1793
It is dynamic, so that the power that every tensioned lines 1793 are born is smaller, to increase the service life of tensioned lines 1793.
Further, in this embodiment two tensioned lines 1793 are symmetrically set in the two sides of the central axis of main body 110.One
Aspect, so that power suffered by two tensioned lines 1793 is almost the same.On the other hand, so that the first drive rod 171 and the second driving
175 two sides stress of bar, so that the first drive rod 171 and the second drive rod 175 be avoided to be fixedly connected because with tensioned lines 1793
The case where existing unilateral side stress, and then the first drive rod 171 and the second drive rod 175 is avoided to occur under the action of tensioned lines 1793
The phenomenon that distortion.
Further, in the present embodiment, the race diameter of pulley 1791 be equal to the both ends of tensioned lines 1793 perpendicular to
The distance of the axial direction of shell 112.It is understood that the part of tensioned lines 1793 not abutted with pulley 1791 and pulley
1791 is tangent, and the race that the both ends of tensioned lines 1793 are equal to pulley 1791 in the distance of the axial direction perpendicular to shell 112 is straight
Diameter, so that tensioned lines 1793 is not parallel with the axis of shell 112 with the part abutted of pulley 1791, thus tensioned lines
1793 both ends respectively with the active force of the first STATEMENT OF FEDERALLY SPONSORED 1795 and the second STATEMENT OF FEDERALLY SPONSORED 1797 along the axial direction of shell 112,
To effectively prevent the first drive rod 171 and the second drive rod 175 generating perpendicular to shell due to pullling because of tensioned lines 1793
112 axial deformation, also can more effectively guarantee the tensioning state of tensioned lines 1793, and then more can effectively ensure the first drive rod
171 is identical with the movement rate of the second drive rod 175.
It certainly, in a further embodiment, can also be by the way that more than one pulley 1791 be rationally arranged, so that tensioned lines
1793 part close to its both ends is parallel with the axis of shell 112, to avoid to the first drive rod 171 and the second drive rod
Active force of 175 edge perpendicular to the axis direction of shell 112.
Optionally, tensioned lines 1793 are steel cable.Steel cable is flexible and is not easy to be elongated, and can more accurately control the first drive
The linkage of lever 171 and the second drive rod 175.It is, of course, understood that tensioned lines 1793 are not limited to steel cable, can also select
It selects other flexible and is not easy rope made of the material being elongated.
In the present embodiment, operator can only directly drive the first drive rod 171 to the distal direction of main body 110 or close
Extreme direction movement.When first drive rod 171 is moved to the distal direction of main body 110, the first drive rod is driven by linkage unit
The movement of second drive rod, 175 synchronous backward.Proximal movement from first drive rod 171 to main body 110 when, linkage unit does not rise
Effect.The first drive rod 171 passes sequentially through first connecting rod 173, work head 130 and second connecting rod 177 and drives the second driving at this time
The movement of 175 synchronous backward of bar.
It should be noted that in a further embodiment, the structure of linkage unit can also rationally be arranged, so that first drives
Lever no matter moved to the distal direction of main body or to main body proximal movement, can be driven by linkage unit
The movement of two drive rod synchronous backwards.For example, in a feasible embodiment, it is also possible that tensioned lines successively drive with first
Bar is fixedly connected, is fixedly connected around a pulley, with the second drive rod, driving around first pulley and finally with first
Bar is fixedly connected.I.e. tensioned lines are in loop-like.
In the present embodiment, operator can only directly drive the first drive rod 171.It so can be by the second drive rod 175
Length setting it is shorter, save material and space, save the cost.It should be noted that in a further embodiment, Ke Yitong
The length for increasing by the second drive rod is crossed, operator can be allowed to directly drive the second drive rod, so that second
Distal end from drive rod to main body or proximal movement when, can also pass through linkage unit and drive the first drive rod synchronous but reversed fortune
It is dynamic.
In the present embodiment, work head 130 is hinged by coupling assembly with main body 110.Specifically, coupling assembly includes and work
Make first 130 the first elevating arcs 151 being fixedly connected, the second elevating arc 153 and connector that are fixedly connected with main body 110
155.Wherein, the axis of the first elevating arc 151 is first axle a.Second elevating arc 153 is engaged with the first elevating arc 151, and second
The axis of elevating arc 153 is second axis b.155 one end of connector can be connected in work head 130 around what first axle a was rotated,
The other end can be connected in main body 110 around what second axis b was rotated.
While driving mechanism drives work head 130 around first axle a rotation certain angle, work head 130 is with respect to main body
The identical angle of 110 deflections.In addition, due to the intermeshing of the first elevating arc 151 and the second elevating arc 153, so that work head
130 rotate equal angular around second axis b simultaneously, so that work head 130 deflects identical angle with respect to main body 110 again.
I.e. in the case where not increasing operating force, so that the angle that finally opposite main body 110 deflects of work head 130 is double, i.e., so that work
Make first 130 and obtains bigger pivot angle.
It is understood that first axle a and third axis c and four axistyle d be not conllinear.
Likewise, it is understood that make work head 130 get along main body 110 deflect equal angular in the case where, this
The nail bin groupware 100 that embodiment provides needs lesser operating force.
In addition, compared to traditional work head only around first axle rotation the case where, in the present embodiment, pass through coupling assembly
Realize the hinged of work head 130 and main body 110, i.e., so that work head 130 is around first axle a rotation while, also around the second axis
Line b revolution, to increase the turning radius between work head 130 and main body 110.Compared to traditional work head only around first
The case where axis rotation, in the present embodiment, when work head 130 deflects identical angle relative to main body 110, work head 130
Smaller with bending force suffered by main body 110, so that work head 130 is easier to deflect, i.e., work head 130 is required in deflection
Operating force it is smaller.
In the present embodiment, coupling assembly further includes the hinge 157 being connected in main body 110 that can be rotated around second axis b,
And it is fixedly connected on the staple cartridge tray 159 of the proximal end of work head 130.Connection can be enhanced in the setting of hinge 157 and staple cartridge tray 159
The intensity of component.
In the present embodiment, first connecting rod 173 and second connecting rod 177 are rotatably set on staple cartridge tray 159.I.e. first connects
Bar 173 and second connecting rod 177 are rotatablely connected by staple cartridge tray 159 and work head 130.Certainly, in a further embodiment,
One connecting rod 173 and second connecting rod 177 can also directly be rotatably connected with work head 130.
Further, hinge 157 has the first depressed area 1571, and staple cartridge tray 159 has and 1571 gap of the first depressed area
First convex area 1591 of cooperation, thus the maximization of the entity to realize hinge 157 and staple cartridge tray 159, to enhance hinge
The intensity of chain 157 and staple cartridge tray 159 further enhances the intensity of coupling assembly.
Certainly, in a further embodiment, convex area can also be set on hinge, and phase therewith is set on staple cartridge tray
The depressed area of clearance fit.
In the present embodiment, hinge 157 has the second convex area 1573, and main body 110 has to be matched with the second convex area 1573
The second depressed area 111, so that the maximization of the entity of hinge 157 and main body 110 is realized, to increase hinge 157 and main body
110 intensity.In addition, hinge 157 can be connected in main body 110 around what second axis b was rotated, then 157 certainty of hinge and main body
110 clearance fits.The setting of second convex area 1573 and the second depressed area 111 can also make between hinge 157 and main body 110
Gap minimizes.
In the present embodiment, connector 155 is fixedly connected with hinge 157.Work head 130 drives in second axis b rotation
Connector 155 is rotated around second axis b, and connector 155 drives hinge 157 to rotate around second axis b, so that hinge be effectively ensured
157 and staple cartridge tray 159 relative position.
In the present embodiment, the first elevating arc 151 is integrally formed with staple cartridge tray 159, so that coupling assembly and work head
130 assembling is simpler.
In the present embodiment, coupling assembly include two the first elevating arcs 151 and two the second elevating arcs 153, two first
Elevating arc 151 is engaged with two the second elevating arcs 153 respectively, and work head 130 can more accurately be made to turn around second axis b
It is dynamic, the abrasion of the first elevating arc 151 and the second elevating arc 153 can also be reduced, increase the first elevating arc 151 and the second elevating arc
153 service lifes.
In addition, the setting of two the first elevating arcs 151 and the second elevating arc 153 also more can preferably prevent work head 130
Opposite main body 110 distorts.
Further, in this embodiment the axisymmetrical of two opposite work heads 130 of the first elevating arc 151 is arranged.To
So that active force of two the first elevating arcs 151 respectively between the second elevating arc 153 is balanced.
In the present embodiment, coupling assembly includes two connectors 155, and two connectors 155 are symmetrically set in the two of main body 110
Side.The setting of two connectors 155, so that the two sides uniform force of the junction of work head 130 and main body 110, avoids the occurrence of
The phenomenon that unilateral stress is concentrated.
Two connectors 155 are symmetrically set in the two sides of main body 110, it is clear that connector 155 is also set to the two sides of hinge 157.
In the present embodiment, connector 155 is fixedly connected with hinge 157, the setting of two connectors 155, so that connector 155 is driving
The case where hinge 157 is more smooth when rotating, and avoids the occurrence of 157 unilateral side stress of hinge, so that hinge 157 also effectively be avoided to occur
Distortion.
In addition, coupling assembly further includes that one end is fixedly connected with work head in the present embodiment, the other end and the fixed company of main body
The elastic component 152 connect.The setting of elastic component 152 can make the bending between work head 130 and main body 110 more smooth.Separately
Outside, the setting of elastic component 152 can also undertake the active force between work head 130 and main body 110, can alleviate connector 155,
Active force suffered by hinge 157 and staple cartridge tray 159, so that work head 130 is more suitable with respect to the deflection of main body 110
Freely.
It is understood that in a further embodiment, the structure of coupling assembly is without being limited thereto, it is able to achieve work head 130
It can be swung with respect to main body 110.
As shown in figure 11, another embodiment of the present invention provides nail bin groupware 200, unlike nail bin groupware 100,
Structure to the linkage unit for driving the first drive rod 271 to link with the second drive rod 275 is different.Specifically, the present embodiment
In, linkage unit includes the first rack gear 2792 being fixedly connected with the first drive rod 271 and the fixed company of the second drive rod 275
The second rack gear 2794 connect and the gear 2796 between the first rack gear 2792 and the second rack gear 2794, gear 2796 and
One rack gear 2792 and the second rack gear 2794 engage assembly.
The external toothing of gear 2796 can make the reversing of motion, but not change movement rate.It arranges and utilizes in the present embodiment
This principle, so that the first rack gear 2792 and the movement of 2794 direction of the second rack gear, and make the first rack gear 2792 and the second tooth
The size of the movement velocity of item 2794 is identical.
Specifically, in the present embodiment, linkage unit includes two the first rack gears, 2792, two the second rack gears 2794 and two
Gear 2796.Each first rack gear 2792 is correspondingly arranged with second rack gear 2794 respectively, every a pair be correspondingly arranged first
A gear 2796 is equipped between rack gear 2792 and the second rack gear 2794.It is understood that in a further embodiment, may be used also
The more than one tooth successively engaged is arranged between the first rack gear 2792 and the second rack gear 2794 that every a pair is correspondingly arranged
Wheel 2796.
In the present embodiment, linkage unit further include the first STATEMENT OF FEDERALLY SPONSORED 2795 being fixedly connected with the first drive rod 271 and
The second STATEMENT OF FEDERALLY SPONSORED 2797 being fixedly connected with the second drive rod 275.First rack gear 2792 is fixed in the first STATEMENT OF FEDERALLY SPONSORED 2795,
Second rack gear 2794 is fixed in the second STATEMENT OF FEDERALLY SPONSORED 2797.The work of first STATEMENT OF FEDERALLY SPONSORED 2795 and the second STATEMENT OF FEDERALLY SPONSORED 2797 is set
With identical as the effect of the first STATEMENT OF FEDERALLY SPONSORED 1795 of setting and the second STATEMENT OF FEDERALLY SPONSORED 1797, details are not described herein again.
Optionally, in the present embodiment, the first rack gear 2792 and the first STATEMENT OF FEDERALLY SPONSORED 2795 are integrally formed, the second rack gear 2794 with
Second STATEMENT OF FEDERALLY SPONSORED 2797 is integrally formed.
One embodiment of the invention also provides a kind of stapler comprising nail bin groupware provided by the invention.
Above-mentioned stapler, including nail bin groupware provided by the invention, first connecting rod and second connecting rod collective effect drive work
Make head to swing with respect to main body, so that work head is reduced by the active force of single connecting rod.In addition, third axis and four axistyle are not
Collinearly, so that the active force dispersed distribution of first connecting rod and second connecting rod that work head is subject to respectively, and then work is alleviated
The phenomenon that making head stress raisers.
Certainly, stapler further includes adapter and handle.The present invention does not improve these structures, normal using this field
Technological means is configured, and details are not described herein again.
Above-mentioned nail bin groupware, first connecting rod and second connecting rod collective effect, driving work head is swung with respect to main body, so that work
The active force for making head by single connecting rod reduces.In addition, third axis and four axistyle be not conllinear, so that work head is distinguished
The active force dispersed distribution of the first connecting rod and second connecting rod that are subject to, and then the phenomenon that alleviate work head stress raisers.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (12)
1. a kind of nail bin groupware characterized by comprising
Main body, including shell；
Work head, the distal end articulated with the main body；
And driving mechanism, to drive the relatively described main body of the work head to swing；
The driving mechanism includes:
First drive rod can be axially moved along the shell；
First connecting rod, one end are rotatably connected with first drive rod, and the other end is rotatably connected with the work head；It is described
First connecting rod is rotated around third axis relative to the work head；
Second drive rod can be axially moved along the shell, and the movement side of second drive rod and first drive rod
To opposite；
Second connecting rod, one end are rotatably connected with second drive rod, and the other end is rotatably connected with the work head, described
Second connecting rod is rotated around four axistyle relative to the work head, and the four axistyle and the third axis be not conllinear.
2. nail bin groupware according to claim 1, which is characterized in that the third axis and four axistyle are about the work
Make the axisymmetrical of head.
3. nail bin groupware according to claim 2, which is characterized in that the length of the first connecting rod and the second connecting rod
Identical, the distance of axis of first drive rod with second drive rod apart from the shell is identical.
4. nail bin groupware according to claim 3, which is characterized in that the driving mechanism further includes linkage unit；It is described
When first drive rod is moved to the distal direction of the main body, first drive rod drives described the by the linkage unit
Two drive rods movement, and/or proximal movement from first drive rod to the main body when, first drive rod passes through
The linkage unit drives the second drive rod movement.
5. nail bin groupware according to claim 4, which is characterized in that the linkage unit includes being fixed at the shell
On pulley and tensioned lines；Described tensioned lines one end is fixedly connected with first drive rod, and the other end bypasses the pulley
And it is fixedly connected with second drive rod.
6. nail bin groupware according to claim 5, which is characterized in that the linkage unit further includes and described first drives
The first STATEMENT OF FEDERALLY SPONSORED that bar is fixedly connected and the second STATEMENT OF FEDERALLY SPONSORED being fixedly connected with second drive rod, the two of the tensioned lines
End is fixedly connected with first STATEMENT OF FEDERALLY SPONSORED and the second STATEMENT OF FEDERALLY SPONSORED respectively.
7. nail bin groupware according to claim 6, which is characterized in that the linkage unit include two tensioned lines and
Two pulleys, two tensioned lines bypass two pulleys respectively.
8. nail bin groupware according to claim 7, which is characterized in that two tensioned lines are symmetrically set in the main body
The two sides of central axis.
9. nail bin groupware according to claim 4, which is characterized in that the linkage unit includes and first drive rod
The first rack gear for being fixedly connected, the second rack gear being fixedly connected with second drive rod and it is set to first rack gear and institute
The gear between the second rack gear is stated, the gear engages assembly with first rack gear and second rack gear.
10. nail bin groupware according to claim 9, which is characterized in that the driving component further includes driving with described first
The first STATEMENT OF FEDERALLY SPONSORED that lever is fixedly connected and the second STATEMENT OF FEDERALLY SPONSORED being fixedly connected with second drive rod；First rack gear
It is fixed in first STATEMENT OF FEDERALLY SPONSORED, second rack gear is fixed in second STATEMENT OF FEDERALLY SPONSORED.
11. nail bin groupware according to claim 10, which is characterized in that first rack gear and first STATEMENT OF FEDERALLY SPONSORED one
It is body formed, and/or second rack gear and second STATEMENT OF FEDERALLY SPONSORED are integrally formed.
12. a kind of stapler, which is characterized in that including the described in any item nail bin groupwares of claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405223.0A CN109480935A (en) | 2018-11-23 | 2018-11-23 | Nail bin groupware and stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405223.0A CN109480935A (en) | 2018-11-23 | 2018-11-23 | Nail bin groupware and stapler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109480935A true CN109480935A (en) | 2019-03-19 |
Family
ID=65697619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811405223.0A Pending CN109480935A (en) | 2018-11-23 | 2018-11-23 | Nail bin groupware and stapler |
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| Country | Link |
|---|---|
| CN (1) | CN109480935A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110240712A1 (en) * | 2010-03-31 | 2011-10-06 | Tyco Healthcare Group Lp | Surgical instrument |
| US20170224333A1 (en) * | 2016-02-09 | 2017-08-10 | Ethicon Endo-Surgery, Llc | Surgical instrument with articulating and axially translatable end effector |
-
2018
- 2018-11-23 CN CN201811405223.0A patent/CN109480935A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110240712A1 (en) * | 2010-03-31 | 2011-10-06 | Tyco Healthcare Group Lp | Surgical instrument |
| US20170224333A1 (en) * | 2016-02-09 | 2017-08-10 | Ethicon Endo-Surgery, Llc | Surgical instrument with articulating and axially translatable end effector |
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Application publication date: 20190319 |