CN109199489B - A kind of control device of transmission mechanism - Google Patents
A kind of control device of transmission mechanism Download PDFInfo
- Publication number
- CN109199489B CN109199489B CN201710535785.6A CN201710535785A CN109199489B CN 109199489 B CN109199489 B CN 109199489B CN 201710535785 A CN201710535785 A CN 201710535785A CN 109199489 B CN109199489 B CN 109199489B
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- CN
- China
- Prior art keywords
- transmission mechanism
- connecting rod
- link mechanism
- control device
- push rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- 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
-
- 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
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
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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
- 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
- A61B2017/07271—Stapler heads characterised by its cartridge
-
- 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
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
-
- 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
Abstract
The invention discloses a kind of control devices of transmission mechanism, including pedestal；Link mechanism, at least part of the link mechanism are fixedly connected on the pedestal, and the rest part of the link mechanism can have first position and the second position relative to the base motion, the link mechanism；Driving assembly, it can be along first direction around pivoting on the pedestal, the driving component can drive the moveable portion of the link mechanism to move to the second position from first position, contact the driving component with the transmission mechanism with the mutual cooperation of the link mechanism by the driving component, so that the transmission mechanism be driven to move.The control device of transmission mechanism according to the present invention, in circuit malfunctions, one-handed performance handle assembly, which can be realized, manually retracts cutting element.Control device of the invention can it is easy to operate, safety and stability is reliable, effectively reduce the secondary injury to human body.
Description
Technical field
The present invention relates to a kind of surgical instruments to belong to medical instrument more particularly to a kind of control device of transmission mechanism
Field.
Background technique
Stapler suitable for surgical operation be it is a kind of can while patient wound is sutured by excess tissue cut off
Surgical incision anastomat, be widely used in the excision organized in the Minimally Invasive Surgeries such as abdominal surgery, gynaecology, paediatrics and thoracic surgery and
It coincide.Surgical incision anastomat is then being organized by entering in human body in the casing of the pinpoint puncture outfit of operative site
It is middle manufacture longitudinal cut and notch opposite side apply suturing nail, thus to tissue carry out detachment and coincide, be similar to stapler
Machine.Surgical incision anastomat includes end effector, and the end effector includes staple cartridge tray and resist-nailed seat, and the staple cartridge tray is used
In reception nail bin；Surgical incision anastomat further includes cutting element, and cutting element is operably supported with respect to staple cartridge tray, described
Cutting element includes supporting part, and when end effector closure, the supporting part enters in the resist-nailed seat slot of resist-nailed seat.Doctor
Once it is determined that end effector suitably grasping tissue and it is in the close position when, it will be able to fire surgical incision anastomat progress
It cuts and sutures tissue.
Motor can provide power source for surgical incision anastomat, and it is time saving and energy saving to make to operate.When doctor fires surgery cuts
When stapler, motor, which rotates forward the percussion force provided, can make cutting element in the end effector of surgical incision anastomat by initial
Position is mobile to firing position, and the synchronous push nails for pushing nail bin groupware of cutting element are moved to from initial position to firing position
It is dynamic, realize the effect suture while cutting excess tissue to the tissue after cutting.Motor can also be inverted and be mentioned
So that cutting element is reset to initial position for the power contrary with percussion force, is followed closely so that the supporting part exits supporting for resist-nailed seat
In seat slot, to open the end effector, after meeting grasping tissue again or unclamping tissue, it is closed end effector, it will
Surgical incision stapler takes out from puncture cannula.
However, when motor break down can not rotate or motor power supply battery or other power failures, cannot
When the problems such as providing enough electric power to surgical instruments, just must removal equipment immediately, the instrument more renewed.And at this point, surgery
The end effector of Endo-GIA is likely to also in lock state, and cutting element is in end effector, and end executes
Device can not be opened, and the tissue of clamping can not be detached from from end effector, and surgical incision anastomat can not take out from puncture cannula, this
When need the structure of emergency a kind of, cutting element is exited, end effector is opened, the tissue of clamping detaches, and guarantees to suffer from
The operation safety of person, therefore it is highly desirable to a kind of safely and reliably emergency control apparatus.Otherwise, it needs to expand puncturing hole or turns
For abdominal, or even initiation malpractice.
Therefore, it is necessary to a kind of devices that cutting element can be promptly retracted into initial position, so that the supporting part exits
In the resist-nailed seat slot of resist-nailed seat, to open the end effector, after unclamping tissue, it is closed end effector and is covered from puncturing
Surgical incision stapler is taken out in pipe.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides one kind in circuit malfunctions, can be manually by cutting element
The control device retracted.The present invention is achieved by the following technical solutions:
A kind of control device of transmission mechanism, including pedestal；
Link mechanism, a part of the link mechanism are fixedly connected on the pedestal, the link mechanism remaining
Part is that moveable portion can have first position and the second position relative to the base motion, the link mechanism；
Driving assembly, can be along first direction around pivoting on the pedestal is located at, and the driving component can
The moveable portion of the link mechanism is driven to move to the second position from the first position；Pass through the driving
Component contacts the driving component with the transmission mechanism with the mutual cooperation of the link mechanism, to drive the transmission
Mechanism kinematic；
The moveable portion of the link mechanism includes second connecting rod and third connecting rod, and the driving component includes push rod,
The push rod includes retainer；When the link mechanism is located at the first position, the retainer of the push rod against
In the third connecting rod, the third connecting rod prevents the driving component from contacting with the transmission mechanism；In the link mechanism
When positioned at the second position, the second connecting rod is resisted against the driving component, and the second connecting rod prevents the driving group
Part is detached from the transmission mechanism.
Further, the driving component includes handle and cam, and the cam and the handle are connected by the pivot
It connects on the pedestal；The push rod is rotatably attached with the handle；It is located at the first position in the link mechanism
When, the retainer of the push rod is resisted against the third connecting rod, and the third connecting rod prevents the push rod and the transmission
Mechanism contacts；When the link mechanism is located at the second position, the second connecting rod is resisted against the push rod, and described second
Connecting rod prevents the push rod to be detached from the transmission mechanism.
Further, the handle is equipped with first through hole, and the cam is equipped with third through-hole, and the pivot passes through institute
It is connect after stating first through hole and the third through-hole with the pedestal.
Further, the handle is equipped with protrusion, and the cam is equipped with notch, and the protrusion is located at the notch
Interior, the handle controls the cam with notch cooperation by the protrusion and moves.
Further, the link mechanism includes four components, is four-bar linkage；The push rod includes retainer,
The retainer is located in the four-bar linkage；When the link mechanism is located at the first position, the retainer
The third connecting rod is resisted against to prevent the push rod from contacting with the transmission mechanism.
Further, the second through-hole is additionally provided on the handle, the push rod is equipped with shaft, second through-hole and institute
State shaft mating connection.
Further, the push rod includes cambered surface, and the cambered surface can be moved around the outer wall of the pivot；The one of the push rod
End is equipped with protruding portion, and the protruding portion can be contacted or be detached from the transmission mechanism.
Further, the link mechanism includes four components, is four-bar linkage；Four components include first
Connecting rod, second connecting rod, third connecting rod and fourth link.
Further, the moveable portion of the link mechanism further comprises fourth link, the driving component
Including cam；When the driving component is rotated along the first direction, the arc-shaped side of the cam drive the fourth link into
And the moveable portion of the link mechanism is driven to move to the second position.
Further, the first direction is clockwise；The second connecting rod includes ontology and big with the ontology
Cause vertical bar.
Further, the rectangular triangle of each tooth or obtuse triangle of the driving cog of the transmission mechanism；Alternatively, institute
Stating driving cog includes the first face and second face at an acute angle with first face basically perpendicular to horizontal plane, the driving cog into
One step includes the horizontal plane between first face and second face.
The control device of transmission mechanism according to the present invention, in circuit malfunctions, one-handed performance handle assembly
Cutting element is retracted into initial position manually by realization, so that the supporting part exits in the resist-nailed seat slot of resist-nailed seat, to beat
The end effector is opened, after unclamping tissue, end effector is closed and takes out surgical incision stapler from puncture cannula.This
The control device of the transmission mechanism of invention is easy to operate, safety and stability is reliable, effectively reduces the secondary injury to human body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the end effector of surgical incision anastomat according to an embodiment of the present invention is opened；
Fig. 2 is the structural schematic diagram of the end effector closure of surgical incision anastomat according to an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the end effector of surgical incision anastomat according to an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the cutting element of surgical incision anastomat according to an embodiment of the present invention；
Fig. 5 is the schematic diagram of transmission mechanism control device original state according to an embodiment of the present invention；
Fig. 6 is structural schematic diagram when retracting of transmission mechanism control device according to an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the rack gear of transmission mechanism control device according to an embodiment of the present invention；
Fig. 8 is the partial enlargement diagram of the rack gear of transmission mechanism control device according to an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of the handle of transmission mechanism control device according to an embodiment of the present invention；
Figure 10 is the structural schematic diagram of the cam of transmission mechanism control device according to an embodiment of the present invention；
Figure 11 is the handle of transmission mechanism control device according to an embodiment of the present invention and the schematic diagram of cam engagement；
Figure 12 is the structural schematic diagram of the push rod of transmission mechanism control device according to an embodiment of the present invention；
Figure 13 is the original state schematic diagram of the link mechanism of transmission mechanism control device according to an embodiment of the present invention；
Figure 14 is another status diagram of the link mechanism of transmission mechanism control device according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.It is retouched in of the invention
In stating, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
With reference to attached drawing 1, the surgical cutting and stapling instrument 1000 of the embodiment of the present invention, including Handleset 200, from handle group
Shaft member 300 that part 200 longitudinally extends, the end effector 400 for being set to 300 one end of shaft member, convert electric energy to
The motor 600 of mechanical energy, and the battery component 500 of electric energy is provided for motor 600.The present invention and simplification are retouched for ease of description
It states, in embodiments of the present invention, based on attached orientation or positional relationship shown in FIG. 1, terms used herein " nearside " and " distal side "
It is for the clinician of the Handleset 200 of manipulation surgical instruments 1000.Term " nearside " refers to close to clinic
The part of doctor, term " distal side " then refer to the part far from clinician.I.e. Handleset 200 is nearside, end effector
400 be distal side, and if the proximal end of some components indicates one end of relatively close Handleset 200, distal end portion then indicates opposite
Close to one end of end effector 400.It should be noted that spatial terminology such as "vertical", "horizontal", " right side ", " left side "
Deng to be provided with reference to attached drawing 1.In Fig. 1, longitudinally refer to vertical direction.
With reference to Fig. 1 and Fig. 2, Handleset 200 includes head shell and at an acute angle to downward from the bottom of Handleset 200
The closure trigger 210 stretched, and closure trigger 210 can be manipulated to position and be closed end effector 400.End executes
Device 400 is connected to the distal end portion of shaft member 300.End effector 400 includes staple cartridge tray 410 and is pivotably connected to nail bin
The resist-nailed seat 420 of seat 410, staple cartridge tray 410 is for being operably supported the nail bin (not shown) being located therein, resist-nailed seat
420 can selectively move between the open and the closed positions.Towards Handleset 200 fixed handle 270 by pressing off
Trigger 210 is closed, resist-nailed seat 420 can be made to pivot closed end portion actuator 400, by shaft member 300 to position, press from both sides
Hold, suture and cut tissue.In a preferred embodiment, surgical instruments 1000 further includes release button 250, is released by operation
Closure trigger 210 can be discharged by putting button 250, thus open end effector 400 to readjust, promptly and positioning group
It knits.When pending tissue enters between staple cartridge tray 410 and resist-nailed seat 420, surgeon can press closure trigger 210
Until being locked, to keep resist-nailed seat 420 in the close position, i.e., end effector 400 is in closed state.
As shown in figure 4, cutting element 440 includes clamping portion 442, clamping portion 442 is located under the distal end of cutting element 440
Side, in I-shaped；The upside of 440 distal end portion of cutting element is equipped with supporting part 441；The position pair of clamping portion 442 and supporting part 441
It answers.It with reference to Fig. 3, staple cartridge tray 410 and resist-nailed seat 420 the collaboration support cutting element 440 of end effector 400, and is cutting structure
Part 440 provides the channel of percussion and retraction.Resist-nailed seat 420 has the resist-nailed seat slot 421 being located therein, and staple cartridge tray 410 has position
In nail bin seat slot 411 therein；Nail bin seat slot 411 is corresponding with the position of resist-nailed seat slot 421；Accordingly, nail bin 430 is equipped with and pushes away
Follow closely slot (not shown), the structure of nail bin 430 can refer to the applicant application invention " nail bin groupware " (application No. is:
201710212521.7), details are not described herein again.Nail bin seat slot 411, resist-nailed seat slot 421 and the ejector pin slot are cutting structure jointly
Part 440 provides accommodating space and route guidance.Since the cutting element 440 of Minimally Invasive Surgery is small and sharp keen, for destination organization
Positioning is more accurate, thus correspondingly, nail bin seat slot 411 and resist-nailed seat slot 421 are elongated and narrow.Supporting part 441 with support nail
421 phase shape of seat slot is matched, and the two shape is shaken with avoidable；Clamping portion 442 accommodates the left and right sides of nail bin seat slot 411 into I-shaped
Accommodating space, the connection type of clamping is conducive to the bidirectionally limited cutting element 440 when resist-nailed seat 420 opens and closes.
The clamping portion 442 of the downside of 440 distal end portion of cutting element is placed in nail bin seat slot 411,440 distal side of cutting element
The supporting part 441 of the upside at end enters in resist-nailed seat slot 421, and cutting element 440 is moved along the slit of upper and lower two sides
It is dynamic, thus distad end cutting pending tissue.When cutting element 440 is by percussion force or withdrawal force, supporting part 441 is being supported
The power that nail seat slot 421 is interior, clamping portion 442 may be in response to apply in nail bin seat slot 411 moves back and forth；That is cutting element
440 can respond the percussion force being subject to or withdrawal force moves back and forth in end effector 400.
Be equipped with nail bin 430 and cutting element 440 in end effector 400, cutting element 440 include opposite proximal end and
Distal end portion, wherein the proximal end of cutting element 440 is connected with the mandrel (not shown) being set in shaft member 300, and cuts
The distal end portion for cutting component 440 is connected in the end effector 400 being made of staple cartridge tray 410 and resist-nailed seat 420, and can be from end
One end of actuator 400 moves to the other end of end effector 400.Proximal end and the mandrel about cutting element 440
Connection type and the mandrel and shaft member 300 position and connection relationship, it is same as the prior art or close, this
Place is not elaborated.In short, cutting element 440 can be made to cut structure by the percussion force transmitted by firing trigger 220
Part 440 is mobile by the firing position of non-firing position distad；It can also be in response to the withdrawal force that is applied on cutting element 440
Non- firing position is retracted by firing position.Percussion force can be realized, as steering to the conversion of withdrawal force by turning to button 260
The structure and working method of button 260, it is same same as the prior art or similar, also repeat no more.It should be noted that cutting structure
The percussion campaign of part 440 and retraction movement must just allow to occur in the case where end effector 400 is closed, i.e., only closing
When conjunction trigger 210 is locked on fixed handle 270 so that resist-nailed seat 420 is in the close position, percussion touching can be just activated
Send out device 220, with prevent in surgical procedure due to press firing trigger 220 accidentally and cause cutting element 440 cut it is non-targeted
The accident of tissue.Similarly, the function of preventing firing trigger 220 from surprisingly being touched, existing skill are realized as with which kind of structure
Art has announcement or enlightenment, and details are not described herein again.
As shown in Figure 5 to Figure 6, transmission mechanism includes motor, gear 6 and driving rack 4.As shown in fig. 7, driving rack 4
Including the first driving cog 41 and with mutually perpendicular second driving cog 42 of the first driving cog 41.First driving cog 41 and gear 6
Tooth 62 is meshed, the second driving cog 42 is matched with the protruding portion 32 of push rod 3.With reference to Fig. 8, the second driving cog 42 includes several
Tooth, each tooth include the first face 428 and second face 429 at an acute angle with the first face 428 basically perpendicular to horizontal plane.
It is closed end effector 400, surgical cutting and stapling instrument 1000 is entered into patient by the sheath assembly of puncture outfit
Internal target position, triggering release button 250 discharge closure trigger 210, to open the resist-nailed seat of end effector 400
420, to position and clamp tissue.When between the staple cartridge tray 410 and resist-nailed seat 420 that destination organization is located at end effector 400,
Closure trigger 210 is tensioned to the direction of fixed handle 270 and is closed completely with lock onto target tissue.Open firing trigger
After lock 230, firing trigger 220 is triggered, battery component 500 is that motor 600 provides electric energy, and motor 600 is rotated forward, converted electrical energy into
At mechanical energy, the gear shaft of motor shaft and gear 6 is coaxial, and the tooth 62 of gear 6 is nibbled with 41 phase of the first driving cog of driving rack 4
It closes, motor 600 rotates forward band moving gear 6 and rotates, and gear 6 drives driving rack 4 to be transported by proximate by the first driving cog 41
It is dynamic, successively drive the mandrel, cutting element 440 to be moved by proximate；Nail bin 430 in staple cartridge tray 410 by
The cutting element 440 of distal movement drives, suturing nail (not shown) therein by cutting element 440 against wedge shape push away
It is released into device (not shown), penetrates tissue to be stapled, because the distance between staple cartridge tray 410 and resist-nailed seat 420 are less than seam
The height of dowel, the nib contacts resist-nailed seat 420 of suturing nail support nail face 422 after be bent, and along resist-nailed seat 420 support nail
Face 422 forms specific shape, to realize the suture of the tissue cut.The distal end of cutting element 440 is located at nail bin 430
In ejector pin slot, cut by proximad far moving the cutting realized to tissue, while to realize the suture to patient tissue,
The structure of nail bin 430 can refer to the applicant application invention " nail bin groupware " (application No. is: 201710212521.7), herein
It repeats no more.
Under normal circumstances, when cutting element 440 moves to the distal end of nail bin 430 in end effector 400, position sensing
The computer board (not shown) in Handleset 200 is transmitted signals to after device induction, the computer board control motor 600 inverts；
Or when Cutting Length is less than the length of nail bin, needs withdrawing, after the completion of cutting, cutting element 440 does not move to nail bin 430
Distal end when, as shown in Figure 1 or 2, doctor stirs change-over switch 260, make motor 600 reversion convert electric energy to mechanical energy；
The reversion band moving gear 6 of motor 600 reversely rotates, and gear 6 drives driving rack 4 by remote by being meshed with the first driving cog 41
End proximal movement successively drives the mandrel, cutting element 440 by distal end proximal movement, withdrawing function is realized, until cutting
The support portion 441 for cutting component 440 detaches resist-nailed seat slot 421, operates release button 250, locked 210 quilt of closure trigger
Release, resist-nailed seat 420 423 can be rotated to far from the direction of staple cartridge tray 410 around the shaft, and end effector 400 is opened, and end is located at
After destination organization in portion's actuator 400 is released, it is closed closure trigger 210 again, it can be by surgical incision anastomat
1000 take out through puncture cannula from patient's body.As for position sensor position, how to transmit signals to computer board, computer
How the working principle and release button 250 of plate, which are realized, is opened end effector 400, and the prior art has announcement or opens
Show, details are not described herein again.
However, when motor 600 break down can not rotate or for motor 600 power battery component 500 or other electricity
When the problems such as source breaks down, cannot provide enough electric energy to surgical incision anastomat 1000, just must removal equipment immediately,
The instrument more renewed.And at this point, the end effector 400 of surgical incision anastomat 1000 is likely to cut also in lock state
It cuts component 440 to be in end effector 400, the supporting part 441 of cutting element 440 is located in resist-nailed seat slot 421, clamping portion
442 accommodate the left and right sides of nail bin seat slot 411 into I-shaped accommodating space, and 420 supported portion 441 of resist-nailed seat is fixed, institute
It can not be opened with end effector 400, cause the tissue of clamping that can not be detached from from end effector 400, and then surgery cuts are kissed
Clutch 1000 can not be taken out from puncture cannula.Referring to Fig. 5 to Fig. 6, urgent tool retracting device includes handle 1, cam 2,3 peace of push rod
Face link mechanism 5, wherein cam 2 and planar linkage mechanism 5 are in the same plane.As shown in figure 9, handle 1 includes handle sheet
Body 13, the disk 14 for being integrally formed or being fixedly connected with handle body 13；Further, disk 14 includes first through hole 11, the
Two through-holes 12 and protrusion 15.As shown in Figure 10, cam 2 is disc cam, including third through-hole 21, notch 22 and arc-shaped side
23.First through hole 11 and third through-hole 21 are connect by the pivot 8 being located on head shell 9 with head shell 9, and raised 15 can be
Movement in notch 22, handle 1 control the rotation of cam 2 by the cooperation of protrusion 15 and notch 22.
As shown in figure 12, push rod 3 include push rod main body 31, with the mutually matched shaft 33 of the second through-hole 12 of handle 1, can
The cambered surface 35 of the outer wall movement of around the pivot 8 and retainer 34 on the third connecting rod 53 of planar linkage mechanism 5 is hung on, only
The lower section in dynamic portion 34 is additionally provided with protruding portion 32, and protruding portion 32 can cooperate with the second driving cog 42 of driving rack 4.At this
In the preferred embodiment of invention, push rod 3 is integrally formed.
With reference to figures 13 to Figure 14, planar linkage mechanism 5 includes four connecting rods, two adjacent connecting rods can with relative motion,
And the endpoint of two adjacent connecting rods is hinged by connecting shaft；Wherein fourth link 54 and 51 hinged place of first connecting rod define
For A point, first connecting rod 51 and 52 hinged place of second connecting rod are defined as B point, second connecting rod 52 and 53 hinged place of third connecting rod and define
For C point, third connecting rod 53 and 54 hinged place of fourth link are defined as D point.Four connecting rods of planar linkage mechanism 5 are in ABCD tetra-
A vertex order hingedly forms quadrangle, and wherein second connecting rod 52 further includes the bar 521 substantially vertical with 52 ontology of second connecting rod,
Bar 521 and 52 body by integral forming of second connecting rod.Planar linkage mechanism 5 has multiple freedom degrees.In preferred implementation of the invention
In example, there are two freedom degrees for the tool of planar linkage mechanism 5, and further, A, B two o'clock are fixed relative to head shell.
When original state, the retainer 34 of push rod 3 is resisted against on the third connecting rod 53 of planar linkage mechanism 5, protruding portion 32
It is separated with driving rack 4；The line parallelogram on tetra- vertex ABCD of planar linkage mechanism 5, first connecting rod 51 and
Vertical range between three-link 53 is H1, the picking-up retainer 34 of third connecting rod 53 is to prevent protruding portion 32 from connecing with driving rack 4
Touching.During the motion, first connecting rod 51 is opposing stationary for planar linkage mechanism 5, i.e. A, B two o'clock is opposing stationary；The protrusion of handle 1
15 are located in the notch 22 of cam 2.
When the end effector 400 of surgical incision anastomat 1000 is in the lock state, withdrawing is needed to take out surgery cuts
Stapler 1000, and motor 600 breaks down or other power failures and section's Endo-GIA 1000 cannot provide outward
When the problems such as enough electric energy, manual withdrawing can be carried out.Specifically, the cover board 280 of 200 top of Handleset, inverse time are opened
One end 221 of the handle body 13 of needle rotating handles 1, the notch 22 of one end 151 and cam 2 of the protrusion 15 of handle 1 leans,
As shown in figure 11, handle 1 synchronizes rotation counterclockwise by 15 band 2 around the pivot 8 of moving cam of protrusion, and cam 2 applies fourth link 54
Add active force that planar linkage mechanism 5 is made to deform.Specifically, the 4th company of the arc-shaped side 23 of cam 2 and planar linkage mechanism 5
Bar 54 is against and transferring the force to fourth link 54, fourth link 54 is by directed force F proximally1Afterwards, by with third
Active force is transferred to third connecting rod 53 and drives third connecting rod 53 proximally and move downward by the D point of 53 hinged place of connecting rod；After
And active force is transferred to second connecting rod 52 by the C point with 52 hinged place of second connecting rod and drives second connecting rod by third connecting rod 53
52 proximal movements；I.e. fourth link 54 and second connecting rod 52 are extremely big with first connecting rod 51 rotating around A, B two o'clock proximal movement
Vertical position is caused, the bar 521 substantially vertical with 52 ontology of second connecting rod moves downward, until after putter body 31, pressure
Firmly push rod 3 prevents it from moving upwards, and keeps the protruding portion 32 of push rod 3 and engaging for driving rack 4 more reliable.In Figure 13 and Figure 14,
Right side is proximal direction.Because push rod 3 shaft 33 and handle 1 the second through-hole 12 cooperate, rotating handles 1 counterclockwise it is same
When, handle 1 drives 33 rotation around the shaft of push rod 3, and because the retainer of push rod 3 34 is resisted against on third connecting rod 53, and is located at flat
In face link mechanism 5, when retainer 34, which is moved to, to be contacted with the first connecting rod 51 of planar linkage mechanism 5, first connecting rod 51 hinders
Throw-out lever 3 and handle 1 continue synchronous rotary, and handle 1 and push rod 3 is made to generate relative motion, and cambered surface 35 is transported along the outer wall of pivot 8
It is dynamic, and proximally and moved downward because of third connecting rod 53, the retainer 34 of the push rod 3 on third connecting rod 53 synchronizes downward fortune
It is dynamic, until third connecting rod 53 contacts with driving rack 4 not higher than driving rack 4, protruding portion 32 and falls into adjacent two second
Between driving cog 42；Continue rotating handles 1 counterclockwise, push rod 3 pushes the second driving cog 42 to push and passes by protruding portion 32
4 proximal movement of carry-over bar, driving rack 4 is successively with moving mandrel, 440 proximal movement of cutting element, until cutting element 440
Support portion 441 be detached from resist-nailed seat 420 resist-nailed seat slot 421, operate release button 250, locked 210 quilt of closure trigger
Release, resist-nailed seat 420 423 can be rotated to far from the direction of staple cartridge tray 410 around the shaft, and end effector 400 is opened, and end is located at
After destination organization in portion's actuator 400 is released, it is closed closure trigger 210 again, it can be by surgical incision anastomat
1000 take out patient's body through puncture cannula.At this point, as shown in figure 14, the line on tetra- vertex ABCD of planar linkage mechanism 5
Generally rectangular, the vertical range between first connecting rod 51 and third connecting rod 53 is H2, H2It is substantially equal to the height of fourth link 54
It spends, wherein H1Less than H2。
The control device of transmission mechanism according to the present invention, in circuit malfunctions, one-handed performance handle assembly
Cutting element is retracted into initial position manually by realization, so that the supporting part exits in the resist-nailed seat slot of resist-nailed seat, to beat
The end effector is opened, after unclamping tissue, end effector is closed and takes out surgical incision stapler from puncture cannula.This
The control device of the transmission mechanism of invention is easy to operate, safety and stability is reliable, effectively reduces the secondary injury to human body.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant, and the content after change, modification, replacement and modification is in protection model of the invention
In enclosing.
Claims (11)
1. a kind of control device of transmission mechanism, which is characterized in that including
Pedestal；
Link mechanism, a part of the link mechanism are fixedly connected on the pedestal, the rest part of the link mechanism
I.e. moveable portion can have first position and the second position relative to the base motion, the link mechanism；
Driving assembly, can be along first direction around pivoting on the pedestal is located at, and the driving component can drive
The moveable portion of the link mechanism moves to the second position from the first position；Pass through the driving component
Contact the driving component with the transmission mechanism with the mutual cooperation of the link mechanism, to drive the transmission mechanism
Movement；
The moveable portion of the link mechanism includes second connecting rod and third connecting rod, and the driving component includes push rod, described
Push rod includes retainer；When the link mechanism is located at the first position, the retainer of the push rod is resisted against institute
Third connecting rod is stated, the third connecting rod prevents the driving component from contacting with the transmission mechanism；It is located in the link mechanism
When the second position, the second connecting rod is resisted against the driving component, and the second connecting rod prevents the driving component de-
From the transmission mechanism.
2. the control device of transmission mechanism according to claim 1, which is characterized in that the driving component include handle and
Cam, the cam and the handle are pivotally connected on the pedestal by described；The push rod and the handle are rotatable
Ground connection；When the link mechanism is located at the first position, the retainer of the push rod is resisted against the third and connects
Bar, the third connecting rod prevent the push rod from contacting with the transmission mechanism；It is located at the second position in the link mechanism
When, the second connecting rod is resisted against the push rod, and the second connecting rod prevents the push rod to be detached from the transmission mechanism.
3. the control device of transmission mechanism according to claim 2, which is characterized in that it is logical that the handle is equipped with first
Hole, the cam are equipped with third through-hole, the pivot pass through after the first through hole and the third through-hole with the pedestal
Connection.
4. the control device of transmission mechanism according to claim 2, which is characterized in that the handle is equipped with protrusion, institute
Cam is stated equipped with notch, the protrusion is located in the notch, and the handle is controlled by the protrusion and notch cooperation
Make the cam movement.
5. the control device of transmission mechanism according to claim 2, which is characterized in that the link mechanism includes four structures
Part is four-bar linkage；The push rod includes retainer, and the retainer is located in the four-bar linkage；Described
When link mechanism is located at the first position, the retainer is resisted against the third connecting rod to prevent the push rod and the biography
Dynamic mechanism contacts.
6. the control device of transmission mechanism according to claim 2, which is characterized in that it is logical to be additionally provided with second on the handle
Hole, the push rod are equipped with shaft, and second through-hole and the shaft are cooperatively connected.
7. the control device of transmission mechanism according to claim 2, which is characterized in that the push rod includes cambered surface, described
Cambered surface can be moved around the outer wall of the pivot；One end of the push rod is equipped with protruding portion, and the protruding portion can be with the driver
Structure contact is detached from.
8. the control device of transmission mechanism according to claim 1, which is characterized in that the link mechanism includes four structures
Part is four-bar linkage；Four components include first connecting rod, second connecting rod, third connecting rod and fourth link.
9. the control device of transmission mechanism according to claim 1, which is characterized in that the described of the link mechanism is transported
Dynamic part further comprises fourth link, and the driving component includes cam；The driving component is rotated along the first direction
When, the arc-shaped side of the cam drives the fourth link and then drives the moveable portion of the link mechanism to described
Second position movement.
10. the control device of transmission mechanism according to claim 1, which is characterized in that the first direction is clockwise
Direction；The second connecting rod includes ontology and the bar substantially vertical with the ontology.
11. the control device of transmission mechanism according to claim 1, which is characterized in that the driving cog of the transmission mechanism
The rectangular triangle of each tooth or obtuse triangle；Alternatively, the driving cog includes the first face basically perpendicular to horizontal plane
With second face at an acute angle with first face, the driving cog further comprise be located at first face and second face it
Between horizontal plane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535785.6A CN109199489B (en) | 2017-07-03 | 2017-07-03 | A kind of control device of transmission mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535785.6A CN109199489B (en) | 2017-07-03 | 2017-07-03 | A kind of control device of transmission mechanism |
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| CN109199489A CN109199489A (en) | 2019-01-15 |
| CN109199489B true CN109199489B (en) | 2019-09-10 |
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| CN201710535785.6A Active CN109199489B (en) | 2017-07-03 | 2017-07-03 | A kind of control device of transmission mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113598859A (en) * | 2021-09-14 | 2021-11-05 | 吴杲 | Semicircular eversion anastomat and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176869A (en) * | 2008-10-10 | 2011-09-07 | 伊西康内外科公司 | Powered surgical cutting and stapling apparatus with manually retractable firing system |
| CN103803011A (en) * | 2012-11-07 | 2014-05-21 | 株式会社岛野 | Bicycle derailleur |
| CN104582594A (en) * | 2012-06-28 | 2015-04-29 | 伊西康内外科公司 | Rotary drive arrangements for surgical instruments |
| CN104582593A (en) * | 2012-06-28 | 2015-04-29 | 伊西康内外科公司 | Firing system lockout arrangements for surgical instruments |
| CN105640602A (en) * | 2015-12-25 | 2016-06-08 | 山东威瑞外科医用制品有限公司 | Electric intra-cavity incision anastomat with emergent tool retracting device |
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2017
- 2017-07-03 CN CN201710535785.6A patent/CN109199489B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176869A (en) * | 2008-10-10 | 2011-09-07 | 伊西康内外科公司 | Powered surgical cutting and stapling apparatus with manually retractable firing system |
| CN104582594A (en) * | 2012-06-28 | 2015-04-29 | 伊西康内外科公司 | Rotary drive arrangements for surgical instruments |
| CN104582593A (en) * | 2012-06-28 | 2015-04-29 | 伊西康内外科公司 | Firing system lockout arrangements for surgical instruments |
| CN103803011A (en) * | 2012-11-07 | 2014-05-21 | 株式会社岛野 | Bicycle derailleur |
| CN105640602A (en) * | 2015-12-25 | 2016-06-08 | 山东威瑞外科医用制品有限公司 | Electric intra-cavity incision anastomat with emergent tool retracting device |
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| CN109199489A (en) | 2019-01-15 |
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