CN109199487B - Surgical instruments - Google Patents
Surgical instruments Download PDFInfo
- Publication number
- CN109199487B CN109199487B CN201710535783.7A CN201710535783A CN109199487B CN 109199487 B CN109199487 B CN 109199487B CN 201710535783 A CN201710535783 A CN 201710535783A CN 109199487 B CN109199487 B CN 109199487B
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- CN
- China
- Prior art keywords
- surgical instruments
- link mechanism
- handle
- connecting rod
- 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
-
- 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
- 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
-
- 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 surgical instruments, including Handleset, shaft member, end effector and transmission mechanism, the transmission mechanism is at least partially disposed in the handle body component；Power supply module and urgent tool retracting device are equipped in the Handleset, the power supply module provides power resources for the surgical instruments；The urgent tool retracting device can be rotated in a first direction, to drive the transmission mechanism by distal end proximal movement, the cutting element in the end effector be made to be retracted into initial position.Surgical instruments according to the present invention, in circuit malfunctions, the function that cutting element is retracted to manually and restored transmission mechanism is can be realized in one-handed performance, makes surgical incision anastomat normal use.Control device of the invention is easy to operate, effectively reduces secondary injury to human body.
Description
Technical field
The present invention relates to a kind of surgical instruments, belong to medical instruments 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, tissue is unclamped, is closed end effector, by surgical incision stapler from puncture
It is taken out in casing.
However, when motor break down can not rotate or for motor power supply battery or other power failures, no
When the problems such as capable of providing enough electric power to surgical instruments, just must removal equipment immediately, the instrument more renewed.And at this point, outer
The end effector of section's Endo-GIA is likely to be at lock state, and cutting element is in end effector, end effector
It can not open, the tissue of clamping can not be detached from from end effector, cause surgical incision anastomat that can not take out from puncture cannula.
At this time, it may be necessary to expand puncturing hole or switch to abdominal, or even cause 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
The resist-nailed seat slot of resist-nailed seat after unclamping tissue, is closed end effector and from puncture cannula to open the end effector
Middle taking-up surgical incision stapler.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of circuit malfunctions including motor and power supply
When, the surgical instruments that can manually retract cutting element.The invention is realized by the following technical scheme:
A kind of surgical instruments, the shaft member longitudinally extended including Handleset, from the Handleset and is set to
The end effector of the shaft member distal end；The Handleset includes head shell, is consolidated by what head shell extended downwardly
Determine handle；Moveable cutting element is equipped in the end effector, the cutting element is located at the end for cutting
Tissue in actuator；The cutting element can move between initial position and firing position；The surgical instruments is further
Including transmission mechanism, the transmission mechanism is at least partially disposed in the Handleset；Power supply group is equipped in the Handleset
Part and urgent tool retracting device, the power supply module provide power resources for the surgical instruments；The urgent tool retracting device can
It is rotated in a first direction, to drive the transmission mechanism by distal end proximal movement, makes described in the end effector
Cutting element is retracted into the initial position；The urgent tool retracting device includes driving assembly and link mechanism, the connecting rod machine
A part of structure is fixedly connected on the head shell and is located in the head shell, the rest part of the link mechanism
I.e. moveable portion can be moved relative to the head shell, and the moveable portion of the link mechanism has first
It sets and the second position；At least part of the driving component is connected to the head shell and is located at the head shell
It is interior, and can be along first direction or second direction around pivoting on the head shell；The driving component can
The moveable portion of the link mechanism is driven to move to the second position from the first position.
Further, the moveable portion of the link mechanism includes second connecting rod and third connecting rod, the second connecting rod
Including ontology and the bar substantially vertical with the ontology, the driving component includes push rod, the push rod include putter body and
The lower section of retainer, the retainer is equipped with protruding portion, and the transmission mechanism includes driving rack；In the link mechanism can
When motion parts are located at the first position, the third that the retainer of the push rod is resisted against the link mechanism connects
On bar, the protruding portion is separated with the driving rack, and the third connecting rod holds up the retainer to prevent the protruding portion
It is contacted with the driving rack；When the moveable portion of the link mechanism is located at the second position, it is described with described
For the substantially vertical bar of body against the putter body, pushing down the push rod prevents it from moving upwards, make the protruding portion with it is described
Driving rack engagement.
Further, the driving component can be pivoted along first direction around described, thus drive link mechanism
Moveable portion is moved from first position to the second position.
Further, the driving component includes handle, cam and push rod, and the cam and the handle pass through the pivot
Axis is rotatably connected on the head shell；The push rod is rotatably attached with the handle.
Further, the handle is equipped with first through hole, and the cam is equipped with third through-hole, and the pivot passes through institute
State first through hole and the third through-hole.
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 further comprises first connecting rod and fourth link, and the link mechanism is plane
Four-bar mechanism；The retainer is located in the four-bar linkage.
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 along the outer wall of the pivot.
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
It further comprise cam；When the driving component is rotated along the first direction, the arc-shaped side driving the described 4th of the cam
Connecting rod drives the moveable portion of the link mechanism to move to the second position in turn.
Further, the first direction is clockwise.
Further, the transmission mechanism includes transmission gear and transmission shaft, and the transmission gear is by the power supply module
Power pass to the transmission shaft, the power is transferred to the cutting element to drive the cutting structure by the transmission shaft
Part is mobile.
Further, the driving component includes push rod, and the transmission shaft has the first driving cog and the second driving cog；Institute
It states the first driving cog and the transmission gear cooperates, second driving cog can cooperate with the push rod.
Further, the rectangular triangle of each tooth or obtuse triangle of second driving cog；Alternatively, described second
Driving cog includes the first face and second face at an acute angle with first face basically perpendicular to horizontal plane, second driving cog
It further comprise the horizontal plane between first face and second face.
Further, in the initial state, the urgent tool retracting device is located at the head shell of the Handleset
It is interior.
Further, the driving component includes handle, and the top of the handle is equipped with cover board, and the cover board is removably
It is connect with the head shell.
Further, the driving component includes push rod, and one end of the push rod is equipped with protruding portion, and the protruding portion can be with
The transmission mechanism contact is detached from.
Surgical instruments according to the present invention, in circuit malfunctions, manual incite somebody to action is can be realized in one-handed performance handle assembly
Cutting element is retracted into initial position, so that the supporting part is exited from the resist-nailed seat slot of resist-nailed seat, to open the end
Actuator after unclamping tissue, is closed end effector and takes out surgical incision stapler from puncture cannula.And it can be arranged in failure
After removing, one-handed performance handle assembly can restore the function of transmission mechanism again, make surgical incision anastomat normal use, reduction pair
The secondary injury of 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.
Appended drawing reference
1 handle, 11 first through hole, 12 second through-holes, 13 handle bodies, 14 disks, 15 protrusions
2 cams, 21 third through-holes, 22 notches, arc-shaped side 23
3 push rods, 31 push rod main bodys, 32 protruding portions, 33 shafts, 34 retainers, 35 cambered surfaces
4 driving racks, 41 first driving cogs, 42 second driving cogs, 428 first faces, 429 second faces
5 planar linkage mechanisms, 51 first connecting rods, 52 second connecting rods, 53 third connecting rods, 54 fourth links
6 gears, 61 gear shafts, 62 teeth
8 pivots, 9 head shells
100 urgent tool retracting devices
200 Handlesets, 210 closure triggers, 220 firing triggers, 230 firing triggers lock,
240 rotary switches, 250 release buttons, 260 change-over switches, 270 fixed handles, 280 cover boards
300 shaft members, 310 joints
400 end effectors, 410 staple cartridge trays, 411 nail bin seat slots
Nail face is supported in 420 resist-nailed seats, 421 resist-nailed seat slots, 422
430 nail bins,
440 cutting elements, 441 supporting parts, 442 clamping portions
1000 surgical incision anastomats
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.
In the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise clear
It is specific to limit.
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。
Surgical instruments according to the present invention, in circuit malfunctions, manual incite somebody to action is can be realized in one-handed performance handle assembly
Cutting element is retracted into initial position, so that the supporting part exits in the resist-nailed seat slot of resist-nailed seat, to open the end
Actuator after unclamping tissue, is closed end effector and takes out surgical incision stapler from puncture cannula.Surgery of the invention
Instrumentation is simple, 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 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 technical solution after change, modification, replacement and modification is in guarantor of the invention
It protects in range.
Claims (18)
1. a kind of surgical instruments, the shaft member that longitudinally extends including Handleset, from the Handleset and it is set to institute
State the end effector of shaft member distal end；The fixation that the Handleset includes head shell, is extended downwardly by head shell
Handle；Moveable cutting element is equipped in the end effector, the cutting element is held for cutting positioned at the end
Tissue in row device, the cutting element can move between initial position and firing position；The surgical instruments further wraps
Transmission mechanism is included, the transmission mechanism is at least partially disposed in the Handleset；
It is characterized by: being equipped with power supply module and urgent tool retracting device in the Handleset, the power supply module is described outer
Section's instrument provides power resources；The urgent tool retracting device can be rotated in a first direction, thus drive the transmission mechanism by
Distal end proximal movement makes the cutting element in the end effector be retracted into the initial position；It is described promptly to move back
Knife system includes driving assembly and link mechanism, and a part of the link mechanism is fixedly connected on the head shell and position
In in the head shell, rest part, that is, moveable portion of the link mechanism can be transported relative to the head shell
Dynamic, the moveable portion of the link mechanism has first position and the second position；At least one of the driving component
Divide and be connected to the head shell and be located in the head shell, and can be along first direction or second direction around positioned at institute
State pivoting on head shell；The driving component can drive the moveable portion of the link mechanism from described
First position moves to the second position.
2. surgical instruments according to claim 1, which is characterized in that the moveable portion of the link mechanism includes second
Connecting rod and third connecting rod, the second connecting rod include ontology and the bar substantially vertical with the ontology, and the driving component includes
Push rod, the push rod include putter body and retainer, and the lower section of the retainer is equipped with protruding portion, and the transmission mechanism includes
Driving rack；When the moveable portion of the link mechanism is located at the first position, the retainer of the push rod is supported
It leans against on the third connecting rod of the link mechanism, the protruding portion is separated with the driving rack, the third connecting rod support
The retainer is played to prevent the protruding portion from contacting with the driving rack；It is located in the moveable portion of the link mechanism
When the second position, for the bar substantially vertical with the ontology against the putter body, pushing down the push rod prevents it
It moves upwards, engages the protruding portion with the driving rack.
3. according to claim 1,2 described in any item surgical instruments, which is characterized in that the driving component can be along first party
It is pivoted to around described, so that the moveable portion of drive link mechanism is moved from first position to the second position.
4. surgical instruments according to claim 3, which is characterized in that the driving component includes handle, cam and push rod,
The cam and the handle are rotatably connected on the head shell by the pivot；The push rod and the handle
It is rotatably attached.
5. surgical instruments according to claim 4, which is characterized in that the handle is equipped with first through hole, the cam
It is equipped with third through-hole, the pivot passes through the first through hole and the third through-hole.
6. according to claim 4,5 described in any item surgical instruments, which is characterized in that the handle is equipped with protrusion, described
Cam is equipped with notch, and the protrusion is located in the notch, and the handle is controlled by the protrusion and notch cooperation
The cam movement.
7. surgical instruments according to claim 2, which is characterized in that the link mechanism further comprise first connecting rod and
Fourth link, the link mechanism are four-bar linkage；The retainer is located in the four-bar linkage.
8. surgical instruments according to claim 4, which is characterized in that the second through-hole is additionally provided on the handle, it is described to push away
Bar is equipped with shaft, and second through-hole and the shaft are cooperatively connected.
9. the surgical instruments according to claim 4 or 8, which is characterized in that the push rod includes cambered surface, and the cambered surface can edge
The outer wall of the pivot moves.
10. surgical instruments according to claim 1, which is characterized in that the link mechanism includes four components, is plane
Four-bar mechanism；Four components include first connecting rod, second connecting rod, third connecting rod and fourth link.
11. surgical instruments according to claim 2, which is characterized in that the moveable portion of the link mechanism into
One step includes fourth link, and the driving component further comprises cam；When the driving component is rotated along the first direction,
The arc-shaped side of the cam drives the fourth link and then drives the moveable portion of the link mechanism to described the
The movement of two positions.
12. according to claim 1,2 described in any item surgical instruments, which is characterized in that the first direction is square clockwise
To.
13. according to claim 1,2 described in any item surgical instruments, which is characterized in that the transmission mechanism includes driving cog
The power of the power supply module is passed to the transmission shaft by wheel and transmission shaft, the transmission gear, and the transmission shaft will be described
Power is transferred to the cutting element to drive the cutting element mobile.
14. surgical instruments according to claim 13, which is characterized in that the driving component includes push rod, the transmission
Axis has the first driving cog and the second driving cog；First driving cog and the transmission gear cooperate, second driving cog
It can cooperate with the push rod.
15. surgical instruments according to claim 14, which is characterized in that each tooth rectangular three of second driving cog
Angular or obtuse triangle；Alternatively, second driving cog includes the first face basically perpendicular to horizontal plane and with described first
Face the second face at an acute angle, second driving cog further comprise the level between first face and second face
Face.
16. surgical instruments according to claim 1, which is characterized in that in the initial state, the urgent tool retracting device position
In in the head shell of the Handleset.
17. surgical instruments according to claim 16, which is characterized in that the driving component includes handle, the handle
Top be equipped with cover board, the cover board removably connect with the head shell.
18. surgical instruments according to claim 1, which is characterized in that the driving component includes push rod, the push rod
One end is equipped with protruding portion, and the protruding portion can be contacted or be detached from the transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535783.7A CN109199487B (en) | 2017-07-03 | 2017-07-03 | Surgical instruments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535783.7A CN109199487B (en) | 2017-07-03 | 2017-07-03 | Surgical instruments |
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| CN109199487B true CN109199487B (en) | 2019-09-10 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870320B (en) * | 2019-05-01 | 2024-01-16 | 江苏风和医疗器材股份有限公司 | Surgical instrument |
| CN112401959B (en) * | 2019-08-23 | 2022-11-18 | 江苏风和医疗器材股份有限公司 | End effector driving device for surgical instrument and surgical instrument |
| CN110840501B (en) * | 2019-12-03 | 2022-04-08 | 江苏风和医疗器材股份有限公司 | Trigger device for surgical instrument and surgical instrument |
| CN110882025B (en) * | 2019-12-16 | 2021-05-11 | 江苏风和医疗器材股份有限公司 | Surgical instrument |
| WO2023051269A1 (en) * | 2021-09-30 | 2023-04-06 | 江苏风和医疗器材股份有限公司 | Electric surgical instrument |
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 |
| CN204158438U (en) * | 2014-09-19 | 2015-02-18 | 重庆康美唯外科器械有限公司 | The reset labor-saving structure of anastomat |
| CN204671209U (en) * | 2015-05-12 | 2015-09-30 | 湖州源研生物医学工程有限公司 | The electronic percussion retraction mechanism of Endo-GIA |
| WO2016127434A1 (en) * | 2015-02-15 | 2016-08-18 | Covidien Lp | Universal handle for surgical instruments |
| CN105919640A (en) * | 2016-05-30 | 2016-09-07 | 杭州天任生物科技有限公司 | One-part propelling and retreating mechanism and endoscopic cutting stapler comprising same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8342378B2 (en) * | 2009-08-17 | 2013-01-01 | Covidien Lp | One handed stapler |
-
2017
- 2017-07-03 CN CN201710535783.7A patent/CN109199487B/en active Active
Patent Citations (6)
| 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 |
| US8608045B2 (en) * | 2008-10-10 | 2013-12-17 | Ethicon Endo-Sugery, Inc. | Powered surgical cutting and stapling apparatus with manually retractable firing system |
| CN204158438U (en) * | 2014-09-19 | 2015-02-18 | 重庆康美唯外科器械有限公司 | The reset labor-saving structure of anastomat |
| WO2016127434A1 (en) * | 2015-02-15 | 2016-08-18 | Covidien Lp | Universal handle for surgical instruments |
| CN204671209U (en) * | 2015-05-12 | 2015-09-30 | 湖州源研生物医学工程有限公司 | The electronic percussion retraction mechanism of Endo-GIA |
| CN105919640A (en) * | 2016-05-30 | 2016-09-07 | 杭州天任生物科技有限公司 | One-part propelling and retreating mechanism and endoscopic cutting stapler comprising same |
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| CN109199487A (en) | 2019-01-15 |
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