CN106388893B - Linear cutting anastomat - Google Patents
Linear cutting anastomat Download PDFInfo
- Publication number
- CN106388893B CN106388893B CN201610872240.XA CN201610872240A CN106388893B CN 106388893 B CN106388893 B CN 106388893B CN 201610872240 A CN201610872240 A CN 201610872240A CN 106388893 B CN106388893 B CN 106388893B
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- China
- Prior art keywords
- linear cutting
- closure
- cutter
- cutting anastomat
- driven
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0042—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
-
- 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
- A61B2017/07285—Stapler heads characterised by its cutter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
- A61B2017/2943—Toothed members, e.g. rack and pinion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
- A61B2017/2944—Translation of jaw members
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0807—Indication means
- A61B2090/0808—Indication means for indicating correct assembly of components, e.g. of the surgical apparatus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0814—Preventing re-use
Abstract
The present invention relates to a kind of Linear cutting anastomats.Comprising: which shell, is provided with perforative through-hole along its axial direction；Power input shaft is located in shell, for transmitting power；First closure axis, is driven by power input shaft and is rotated；Second closure axis, by the first closure axis driving rotation；It is closed screw rod, by the second closure axis driving rotation；Nail bin groupware is driven by closure screw rod and is translated；Cutter cardan shaft is driven by power input shaft and is rotated；Screw rod is fired, is driven and is rotated by cutter cardan shaft；Cutter assembly is driven by percussion screw rod and is translated；Pushing device can be abutted against with cutter assembly, and driven and translated by cutter assembly；And switching mechanism, it protrudes into the through-hole on shell, the power of power input shaft is selectively passed to the second closure axis or cutter cardan shaft.Linear cutting anastomat of the invention, which fires, to be stablized, and be ensure that the original position of previous anastomotic coincide, is effectively reduced the working strength in surgical, be conducive to apply.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of Linear cutting anastomat.
Background technique
Medical stapler is a kind of medical instrument being commonly used when performing surgical operation to alimentary canal physiological tissue, general
In surgical operation therapy, stapler is commonly used for completing the cutting closure function of tissue.Traditional Linear cutting anastomat exists
The operating process for implementing " closure is coincide, cutting " to physiological tissue is manual operation.Manual operation is to realize in a purely mechanical manner
The firing action of closed action and anastomosed tissue between nail anvil and nail bin.Percussion process needs huge percussion force that could complete
The cutting of previous anastomotic is closed, huge closing force bring the shake of arm during percussion be easy to cause it is excessively dilatory involve, from
And influence the docking closure of previous anastomotic and at nail effect (Cheng Ding incomplete or excessive compression), and then lead to the potential of previous anastomotic
It leaks and irregular narrow, influences surgical effect, be unfavorable for the post-operative recovery of patient.Therefore, traditional linear type cutting coincide
The percussion of device is unstable, is unfavorable for applying.
Summary of the invention
Based on this, it is necessary to fire unstable problem for the Linear cutting anastomat of traditional manual operation, mention
Stable Linear cutting anastomat is fired for a kind of.
A kind of Linear cutting anastomat characterized by comprising
Shell is provided with perforative through-hole along its axial direction；
Power input shaft is located in the shell, for transmitting power；
First closure axis, is driven by the power input shaft and is rotated；
Second closure axis, by the first closure axis driving rotation；
It is closed screw rod, by the second closure axis driving rotation；
Nail bin groupware is driven by the closure screw rod and is translated；
Cutter cardan shaft is driven by the power input shaft and is rotated；
Screw rod is fired, is driven and is rotated by the cutter cardan shaft；
Cutter assembly is driven by the percussion screw rod and is translated；
Pushing device can be abutted against with the cutter assembly, and driven and translated by the cutter assembly；
And switching mechanism, it protrudes into the through-hole on the shell, to select the power of the power input shaft
Pass to the second closure axis or the cutter cardan shaft with selecting.
In the closure or opening procedure of above-mentioned Linear cutting anastomat, switching mechanism is to moving power input shaft
Power passes to the second closure axis, therefore, power input shaft successively drive the first closure axis, switching mechanism, second closure axis and
It is closed screw rod rotation, so that nail bin groupware be driven to translate, completes the closure or opening procedure of Linear cutting anastomat.Later
Switching mechanism is adjusted, makes it that power of power input shaft is passed to cutter cardan shaft, is cut at this point, power input shaft successively drives
Change planes structure, cutter cardan shaft and percussion screw rod rotation is completed linear type and is cut so that cutter assembly and pushing device be driven to translate
Cut the percussion process of stapler.Compared with traditional Linear cutting anastomat, Linear cutting anastomat closure of the invention
It is fast with percussion speed, and fire and stablize, it ensure that the original position of previous anastomotic coincide, the work effectively reduced in surgical is strong
Degree, is conducive to apply.
The switching mechanism includes: in one of the embodiments,
Switching switch, including switching ring and the switching push button being fixed on the switching ring, the switching push button protrudes into institute
It states in the through-hole on shell, and can move in the through hole；
First switching ring, is sheathed on the outside of the second closure axis, while being sheathed on the inside of the switching ring, described
First switching ring driving the second closure axis rotation, switching switch can push described first switch ring selectively with institute
State the cooperation of the first closure axis or separation；
And second switching ring, be sheathed on the outside of the power input shaft, at the same be sheathed on it is described switching ring inside,
The second switching ring rotates when being driven by the power input shaft, and the switching switch can push the second switching ring optional
Cooperate or separate with the cutter cardan shaft with selecting.
The Linear cutting anastomat further includes for moving the power input shaft in one of the embodiments,
Power passes to the first spur gear and the second spur gear of the first closure axis, and it is defeated that first spur gear is sheathed on the power
Entering the outside of axis, and is driven and rotated by the power input shaft, second spur gear is engaged with first spur gear, and by
The first straight-tooth wheel drive reversely rotates, and second spur gear is sheathed on outside one end of the first closure axis, institute
The first closure axis is stated to be rotated by the second straight-tooth wheel drive.
The Linear cutting anastomat further includes for moving the second closure axis in one of the embodiments,
Power passes to the first bevel gear and second bevel gear of the closure screw rod, and the first bevel gear is sheathed on second closure
The outside of axis, by the second closure axis driving rotation, the second bevel gear is engaged with the first bevel gear, and by described
First bevel gear driving reversely rotates, and the second bevel gear is sheathed on outside one end of the closure screw rod, the closure
Screw rod is driven by the second bevel gear to be rotated.
The cutter assembly includes cutter and the supporting element for being used to support the cutter in one of the embodiments,
The supporting element is set in the outside of the percussion screw rod, and the cutter is fixed on the supporting element.
The surface that the cutter and the pushing device abut against in one of the embodiments, be recessed inwardly to be formed to
Abut the notch of the pushing device.
The pushing device is sliding block in one of the embodiments, and the sliding block is located in the nail bin groupware, works as institute
After stating Linear cutting anastomat closure, the sliding block is connected to the indentation, there of the cutter.
The Linear cutting anastomat further includes when Linear cutting anastomat closure in one of the embodiments,
To the nail anvil abutted against with the nail bin groupware.
The Linear cutting anastomat further includes to prevent the nail bin groupware from being weighed in one of the embodiments,
The insurance institution used again, the insurance institution include:
Optoelectronic switch, when the nail bin groupware moves to predetermined position, the optoelectronic switch can be triggered；
Safety plug, positioned at the end of the nail bin groupware, and it is initial when abutted against with the pushing device, when the nail bin
When component movement to predetermined position, the safety plug can trigger the optoelectronic switch, when the pushing device is in the nail bin group
In part after translation, the safety plug is separated with the pushing device；
Stop collar, is sheathed on the outside of the safety plug, and is fixed on the nail bin groupware；
And reseting elastic element, it is sheathed on the outside of the safety plug, and be located at the safety plug and the stop collar
Between, medial end and the stop collar of the reseting elastic element to abut the safety plug.
The reseting elastic element is spring in one of the embodiments,.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of Linear cutting anastomat in the embodiment of the present invention；
Fig. 2 is the schematic diagram of the handle of Linear cutting anastomat in the embodiment of the present invention；
Fig. 3 is the schematic diagram of the work head of Linear cutting anastomat in the embodiment of the present invention；
Fig. 4 is the part explosive view of the work head of Linear cutting anastomat in the embodiment of the present invention；
Fig. 5 is the state diagram in the embodiment of the present invention before the closure of Linear cutting anastomat；
Fig. 6 is the state diagram before firing after the closure of Linear cutting anastomat in the embodiment of the present invention；
Fig. 7 is the state diagram of insurance institution before firing after the closure of Linear cutting anastomat in the embodiment of the present invention；
Fig. 8 is the state diagram of the percussion of Linear cutting anastomat in the embodiment of the present invention in place；
Fig. 9 is the state diagram for firing insurance institution when in place of Linear cutting anastomat in the embodiment of the present invention.
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.
Referring to Figure 1~Fig. 3, the Linear cutting anastomat 100 in the embodiment of the present invention are electric drive stapler, packet
Include the handle 110 being used cooperatively and work head 120.
Wherein, handle 110 sterilizes electric handle to be reusable, and inside setting is defeated for transmitting the power of power
Shaft 111 and signal input port 112.Tissue squeeze force and location information in work head 120 can pass through above-mentioned signal
Input port 112 is transferred to the control module inside handle 110.
In addition, the external setting of handle 110 be used to control the rotating forward button 113 of the work of Linear cutting anastomat 100 with
And reversion button 114.When pressing corresponding button, it can be achieved that its corresponding movement.When Linear cutting anastomat 100 is in
When closure or opening procedure, rotates forward button 113 and reversion button 114 is used to control closing for Linear cutting anastomat 100
It closes and opens.And when Linear cutting anastomat 100 is in percussion process, it rotates forward button 113 and reversion button 114 is used for
It controls Linear cutting anastomat 100 and realizes percussion and homing.
Work head 120 is for will need the tissue of osculating to cut.Work head 120 includes nail bin groupware 121, nail anvil
122 and switching mechanism 123.Nail bin groupware 121 and nail anvil 122 may be implemented to separate or be closed.Switching mechanism 123 is for closing
It closes and realizes switching between percussion.
When Linear cutting anastomat 100 is operated with, need first by reusable electric drive handle 110 and work
Make first 120 to link together.At this point, the power input shaft in work head 120 is connect with the power output shaft 111 in handle 110,
Realize the transmitting of power.It then separates nail bin groupware 121 and nail anvil 122 opening of work head 120, the tissue of osculating will be needed
It is placed between nail bin groupware 121 and nail anvil 122, presses and holds and rotate forward button 113, until completing nail bin groupware 121 and nail anvil
122 closures.Switching mechanism 123 then is stirred, continues to press and hold rotating forward button 113, is coincide until completing linear type cutting
The percussion process of device 100 cuts off the tissue between nail bin groupware 121 and nail anvil 122, while realizing coincideing for tissue.
Fig. 4 is referred to, shell includes left outside shell 1 and right casing 2.Its axial direction is provided with perforative through-hole on right casing 2
3.Certainly, also perforative through-hole can be axially set along it on left outside shell 1.
Power input shaft 4 is for transmitting power.Signal output port 5 can connect with the signal input port 112 in handle 110
It connects, for transmitting signal.
First closure axis 6 is located at the side of power input shaft 4.First closure axis 6 rotates when being driven by power input shaft 4.
First spur gear 7 and the second spur gear 8 are used to the power of power input shaft 4 passing to the first closure axis 6.Specifically, first
Spur gear 7 can be sheathed on outside the upper end of power input shaft 4, driven and rotated by power input shaft 4.Second spur gear 8 can be with
The engagement of one spur gear 7, and driven and reversely rotated by the first spur gear 7, and the second spur gear 8 can be sheathed on the first closure axis 6
Outside upper end, the first closure axis 6 is driven by the second spur gear 8 to be rotated.
The upper end of cutter cardan shaft 9 can be sheathed on inside the lower end of power input shaft 4.The input of 9 strength of moving of cutter cardan shaft
Axis 4 driving rotation, but power input shaft 4 do not directly drive cutter cardan shaft 9 rotation, need at this time by switching mechanism by
The power that power input shaft 4 provides passes to cutter cardan shaft 9.
Switching mechanism 123 can protrude into the through-hole 3 on right casing 2, and switching mechanism is selectively closed axis 6 with first, cuts
The cooperation of knife cardan shaft 9 is perhaps separated the power of power input shaft 4 is selectively passed to the second closure axis 15 or cutter
Cardan shaft 9.It when switching mechanism 123 and the first closure axis 6 cooperate, while being separated with cutter cardan shaft 9, at this point, power inputs
Axis 4 first drives switching mechanism 123 to rotate, and switching mechanism 123 then drives the first closure axis 6 to rotate.Likewise, working as switching mechanism
123 with cutter cardan shaft 9 cooperate when, then with first closure axis 6 separate, at this point, power input shaft 4 first drives switching mechanism 123
Rotation, switching mechanism 123 then drive cutter cardan shaft 9 to rotate.
Specifically, the switching mechanism 123 of the present embodiment includes that switching switch 10, first switches ring 13 and the second switching ring
14.Switching switch 10 includes the switching push button 12 for switching ring 11 and being fixed on switching ring 11.Switching push button 12 can protrude into outside the right side
In through-hole 3 on shell 2, and it can be moved in through-hole 3.
Specifically, the first switching ring 13 is sheathed on the outside of the second closure axis 15, while being sheathed on the inside of switching ring 11.
Second closure axis 15 is sheathed on outside the lower end of the first closure axis 6, but there is no power transmission, i.e., the first closure axis therebetween
6 cannot drive the second closure axis 15 to rotate.And there are several equally distributed boss on the outside of the upper end of the second closure axis 15, together
When the first switching ring 13 inside have and can engage with the second corresponding groove of the closure boss of axis 15, the two.Therefore,
All ring changes 13 can drive the second closure axis 15 to rotate.In addition, switching switch 10 can push the first switching ring 13 selectively with
First closure axis 6 cooperation or separation.
Second switching ring 14 is sheathed on the outside of power input shaft 4, while being sheathed on the inside of switching ring 11.Specifically,
There are several equally distributed boss outside the lower end of power input shaft 4, and the inside of the second switching ring 14 is with defeated with power
Enter the corresponding groove of boss of axis 4, the two can engage.Therefore, it is revolved when the second switching ring 14 is driven by power input shaft 4
Turn.Correspondingly, switching switch 10 can push the second switching ring 14 selectively to cooperate or separate with cutter cardan shaft 9.
The Linear cutting anastomat 100 of the present embodiment further includes for the power of the second closure axis 15 to be passed to closure
The first bevel gear 16 and second bevel gear 17 of screw rod 18.First bevel gear 16 can be sheathed on the outside of the second closure axis 15, and
By the second closure driving rotation of axis 15.Second bevel gear 17 is engaged with first bevel gear 16, and is driven instead by first bevel gear 16
To rotation, and second bevel gear 17 is sheathed on outside one end of closure screw rod 18, and closure screw rod 18 is driven by second bevel gear 17
Rotation.Therefore, the driving rotation of the second closure axis 15 is received between closure screw rod 18.
The closure rotation of screw rod 18 can then drive 121 rectilinear translation of nail bin groupware being threadedly coupled therewith, complete linear type and cut
Cut the closure or opening of stapler 100.Nail bin groupware 121 include play a supporting role nail bin frame 19, assembly after be located at
Bin cover 20 and nail bin 21 in nail bin frame 19.
Percussion screw rod 22 is located in nail anvil 122 after assembly.The upper end for firing screw rod 22 is D profile shaft, and is sheathed on and cuts
The inside of knife cardan shaft 9.Therefore, it is rotated when percussion screw rod 22 is driven by cutter cardan shaft 9.
Cutter assembly 23 includes cutter 24 and the supporting element 25 for being used to support cutter 24.Cutter 24 is fixed on supporting element 25
On.Supporting element 25 is sheathed on the outside of percussion screw rod 22, and is threadedly coupled with percussion screw rod 22.Cutter assembly 23 is by percussion screw rod
It is translated when 22 driving.
Pushing device 26 is for realizing ejector pin.The pushing device 26 of the present embodiment is sliding block, and sliding block is located at nail bin groupware 121
It is interior.In addition, cutter 24 is recessed inwardly to be formed to abut pushing device with the surface that pushing device 26 abuts against in the present embodiment
26 notch.After the Linear cutting anastomat 100 of the present embodiment is closed, sliding block is connected to the indentation, there of cutter 24, and
It is driven and is translated by cutter assembly 23.The positioning of sliding block can be made more acurrate in this way, and avoided during percussion above and below sliding block
Mobile or shaking.
Referring to Figure 7 together and Fig. 9, the Linear cutting anastomat 100 of the present embodiment further include to prevent nail bin group
The insurance institution that part 121 is reused.Insurance institution includes optoelectronic switch 27, safety plug 28, stop collar 29 and resets bullet
Property element 30.
Wherein, only when optoelectronic switch 27 can be triggered, the Linear cutting anastomat 100 of the present embodiment could be hit
Hair.And only when nail bin groupware 121 moves to predetermined position, optoelectronic switch 27 can be triggered, and be triggered it is primary after
Triggering cannot be repeated, it is ensured that the nail bin 21 after use is not misapplied.
Safety plug 28 is located at the end of nail bin groupware 121, and it is initial when abutted against with pushing device 26.Work as nail bin groupware
121 when moving to predetermined position, and predetermined position, that is, Linear cutting anastomat 100 completes the position after closure, and safety plug 28 can
Trigger optoelectronic switch 27.Later, during Linear cutting anastomat 100 fires, when pushing device 26 is driven in nail bin
After translating forward in component 121, safety plug 28 is separated with pushing device 26, then optoelectronic switch 27 fails.
Stop collar 29 is sheathed on the outside of safety plug 28 after assembly, and is fixed on nail bin groupware 121, protects to limit
The displacement of dangerous pin 28.Reseting elastic element 30 is sheathed on the outside of safety plug 28 after assembly, and is located at safety plug 28 and limit
Between ring 29.Medial end and stop collar 29 of the reseting elastic element 30 to abut safety plug 28.
Reseting elastic element 30 in the present embodiment is spring.Before the percussion of Linear cutting anastomat 100, safety plug 28
It is abutted against with pushing device 26, at this point, spring is compressed.After pushing device 26 is driven translation forward, safety plug 28 exists
Under the limitation of stop collar 29 and under the effect of the elastic force of spring, far from optoelectronic switch 27, optoelectronic switch 27 fails, it is ensured that uses
Nail bin 21 afterwards is not misapplied.Certainly, optoelectronic switch 27 also can be other intelligent switch.
The sectional view of work head 120 comes detailed when working below with reference to the Linear cutting anastomat 100 of the embodiment of the present invention
Its working principle is carefully described.
When above-mentioned Linear cutting anastomat 100 is located at original state, Linear cutting anastomat 100 is closed, and is cut at this time
Structure of changing planes cooperates with the first closure axis 6 and separates with cutter cardan shaft 9.Specifically, the first switching ring 13 and the first closure axis 65
Cooperation, and the second switching ring 14 is separated with cutter cardan shaft 9.When power input shaft 4 rotates forward, the first closure axis 6 is defeated by power
Enter the driving rotation of axis 4, while successively the first switching of driving ring 13, second is closed axis 5, first bevel gear 16, second bevel gear 17
And closure screw rod 18 rotates, so that nail bin groupware 121 be driven to translate to the direction far from nail anvil 122, completes linear type cutting
The opening procedure of stapler 100, as shown in Figure 5.
The reversion of power input shaft 4 then successively drives the first spur gear 7, the second spur gear 8, first closure axis 6, first to switch
Ring 13, second is closed axis 15, first bevel gear 16, second bevel gear 17 and closure screw rod 18 and rotates, to drive nail bin group
Part 121 is translated to the direction close to nail anvil 122, completes the closing course of Linear cutting anastomat 100, as shown in Figure 6.
Please also refer to Fig. 7, safety plug 28 is abutted against with pushing device 26 after closure, and optoelectronic switch 27 can perceive guarantor
The signal of dangerous pin 28, effectively, Linear cutting anastomat 100 can be fired optoelectronic switch 27.
Then, adjust switching switch 10, make the first switching ring 13 with first be closed axis 65 separate, and second switch ring 14 and
Cutter cardan shaft 9 cooperates, as shown in Figure 6.At this point, power input shaft 4 successively drive second switching ring 14, cutter cardan shaft 9 with
And percussion screw rod 22 rotates, so that cutter assembly 23 and pushing device 26 be driven to translate, completes percussion process, as shown in Figure 8.
Also referring to Fig. 9, at this point, safety plug 28 is separated with pushing device 26, and safety plug 28 is in the limit of stop collar 29
Under system and under the effect of the elastic force of spring, far from optoelectronic switch 27, optoelectronic switch 27 fails, it is ensured that the nail bin 21 after use is not
It is misapplied.
After the completion of percussion, reversion button 114 is pressed, then successively driving second switches ring 14, cutter to the reversion of power input shaft 4
Cardan shaft 9 and percussion screw rod 22 reversely rotate, to drive cutter assembly 23, reversely translation is retracted, and pushing device 26 is then not
It can retract.
Compared with traditional Linear cutting anastomat, Linear cutting anastomat closure and percussion speed of the invention
Fastly, and percussion is stablized, and be ensure that the original position of previous anastomotic coincide, is effectively reduced the working strength in surgical, be conducive to answer
With.
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 (10)
1. a kind of Linear cutting anastomat characterized by comprising
Shell is provided with perforative through-hole along its axial direction；
Power input shaft is located in the shell, for transmitting power；
First closure axis, is driven by the power input shaft and is rotated；
Second closure axis, by the first closure axis driving rotation；
It is closed screw rod, by the second closure axis driving rotation；
Nail bin groupware is driven by the closure screw rod and is translated；
Cutter cardan shaft is driven by the power input shaft and is rotated；
Screw rod is fired, is driven and is rotated by the cutter cardan shaft；
Cutter assembly is driven by the percussion screw rod and is translated；
Pushing device can be abutted against with the cutter assembly, and driven and translated by the cutter assembly；
And switching mechanism, protrude into the through-hole on the shell, to by the power of the power input shaft selectively
Pass to the second closure axis or the cutter cardan shaft.
2. Linear cutting anastomat according to claim 1, which is characterized in that the switching mechanism includes:
Switching switch, including switching ring and the switching push button being fixed on the switching ring, the switching push button protrudes into described outer
In the through-hole on shell, and it can move in the through hole；
First switching ring, is sheathed on the outside of the second closure axis, while being sheathed on the inside of the switching ring, and described first
Switch ring driving the second closure axis rotation, switching switch can push described first to switch ring selectively with described the
One closure axis cooperation or separation；
And second switching ring, be sheathed on the outside of the power input shaft, at the same be sheathed on it is described switching ring inside, it is described
Second switching ring rotates when being driven by the power input shaft, and the switching switch can push the second switching ring selectively
Cooperate or separate with the cutter cardan shaft.
3. Linear cutting anastomat according to claim 1, which is characterized in that the Linear cutting anastomat also wraps
The first spur gear and the second spur gear for the power of the power input shaft to be passed to the first closure axis are included, it is described
First spur gear is sheathed on the outside of the power input shaft, and is driven and rotated by the power input shaft, second straight-tooth
Wheel is engaged with first spur gear, and is reversely rotated by the first straight-tooth wheel drive, and second spur gear is sheathed on
Outside one end of the first closure axis, the first closure axis is rotated by the second straight-tooth wheel drive.
4. Linear cutting anastomat according to claim 1, which is characterized in that the Linear cutting anastomat also wraps
Include the first bevel gear and second bevel gear for the power of the second closure axis to be passed to the closure screw rod, described the
One bevel gear be sheathed on it is described second closure axis outside, by it is described second closure axis driving rotation, the second bevel gear with
First bevel gear engagement, and driven and reversely rotated by the first bevel gear, and the second bevel gear be sheathed on it is described
It is closed outside one end of screw rod, the closure screw rod is driven by the second bevel gear to be rotated.
5. Linear cutting anastomat according to claim 1, which is characterized in that the cutter assembly include cutter and
It is used to support the supporting element of the cutter, the supporting element is set in the outside of the percussion screw rod, and the cutter is fixed on institute
It states on supporting element.
6. Linear cutting anastomat according to claim 5, which is characterized in that the cutter and the pushing device phase
The surface of abutting is recessed inwardly the notch to be formed to abut the pushing device.
7. Linear cutting anastomat according to claim 6, which is characterized in that the pushing device is sliding block, described
Sliding block is located in the nail bin groupware, and after Linear cutting anastomat closure, the sliding block is connected to the cutter
Indentation, there.
8. Linear cutting anastomat according to claim 1, which is characterized in that the Linear cutting anastomat also wraps
Include the nail anvil when Linear cutting anastomat closure to abut against with the nail bin groupware.
9. Linear cutting anastomat according to claim 1, which is characterized in that the Linear cutting anastomat also wraps
The insurance institution to prevent the nail bin groupware to be reused is included, the insurance institution includes:
Optoelectronic switch, when the nail bin groupware moves to predetermined position, the optoelectronic switch can be triggered；
Safety plug, positioned at the end of the nail bin groupware, and it is initial when abutted against with the pushing device, when the nail bin groupware
When moving to predetermined position, the safety plug can trigger the optoelectronic switch, when the pushing device is in the nail bin groupware
After translation, the safety plug is separated with the pushing device；
Stop collar, is sheathed on the outside of the safety plug, and is fixed on the nail bin groupware；
And reseting elastic element, it is sheathed on the outside of the safety plug, and between the safety plug and the stop collar,
Medial end and the stop collar of the reseting elastic element to abut the safety plug.
10. Linear cutting anastomat according to claim 9, which is characterized in that the reseting elastic element is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872240.XA CN106388893B (en) | 2016-09-30 | 2016-09-30 | Linear cutting anastomat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872240.XA CN106388893B (en) | 2016-09-30 | 2016-09-30 | Linear cutting anastomat |
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| Publication Number | Publication Date |
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| CN106388893A CN106388893A (en) | 2017-02-15 |
| CN106388893B true CN106388893B (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610872240.XA Active CN106388893B (en) | 2016-09-30 | 2016-09-30 | Linear cutting anastomat |
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| CN (1) | CN106388893B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3831312A4 (en) * | 2019-01-24 | 2021-11-10 | Suzhou Intocare Medical Technology Co., Ltd. | Surgical instrument and linear stapler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108209999B (en) * | 2017-12-22 | 2024-04-05 | 苏州英途康医疗科技有限公司 | End effector and surgical instrument |
| CN108209998B (en) * | 2017-12-22 | 2023-09-22 | 苏州英途康医疗科技有限公司 | Staple cartridge assembly and surgical instrument |
| CN108210000B (en) * | 2017-12-22 | 2024-04-12 | 苏州英途康医疗科技有限公司 | Surgical instrument |
| CN110693553A (en) * | 2018-07-09 | 2020-01-17 | 北京博辉瑞进生物科技有限公司 | Single-motor electric surgical instrument handheld assembly and electric surgical instrument |
| CN111227897B (en) * | 2018-11-29 | 2021-03-30 | 苏州英途康医疗科技有限公司 | Double-motor clip applier |
| CN111466974B (en) | 2019-01-24 | 2021-05-14 | 苏州英途康医疗科技有限公司 | Surgical instrument and linear stapler |
| CN110123402B (en) * | 2019-05-20 | 2020-07-28 | 河南省健琪医疗器械有限公司 | Linear type cutting anastomat |
| US11191537B1 (en) | 2020-05-12 | 2021-12-07 | Covidien Lp | Stapling device with continuously parallel jaws |
| CN112869818B (en) * | 2021-02-26 | 2022-01-28 | 苏州法兰克曼医疗器械有限公司 | Anastomat with anti-error triggering safety mechanism |
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| CN105411641A (en) * | 2015-12-22 | 2016-03-23 | 苏州英途康医疗科技有限公司 | Anastomat |
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| EP3831312A4 (en) * | 2019-01-24 | 2021-11-10 | Suzhou Intocare Medical Technology Co., Ltd. | Surgical instrument and linear stapler |
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| CN106388893A (en) | 2017-02-15 |
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