CN104939885B - A kind of surgical operating instrument safety and surgical operating instrument - Google Patents
A kind of surgical operating instrument safety and surgical operating instrument Download PDFInfo
- Publication number
- CN104939885B CN104939885B CN201410129564.5A CN201410129564A CN104939885B CN 104939885 B CN104939885 B CN 104939885B CN 201410129564 A CN201410129564 A CN 201410129564A CN 104939885 B CN104939885 B CN 104939885B
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- Prior art keywords
- safety
- discharge cock
- clamping head
- surgical operating
- buckle
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
Abstract
The present invention relates to technical field of medical instruments, discloses a kind of surgical operating instrument safety and surgical operating instrument, safety include discharge cock, Safety buckle, the first dynamic clamping head and quiet clamping head and the second dynamic clamping head and quiet clamping head, wherein：Discharge cock is installed in handle body, and the first dynamic clamping head and quiet clamping head is installed between discharge cock and handle body；Firing handle is locked by discharge cock in off-position；Safety buckle is installed in handle body, and the second dynamic clamping head and quiet clamping head is installed between Safety buckle and handle body；When discharge cock is in open position, discharge cock can be locked by Safety buckle, drive Safety buckle to pivot about axle rotation, locking of the arming buckle to discharge cock when firing handle carries out firing action.The safety of above-mentioned surgical operating instrument can automatically reset, and then prevent firing handle from the accident of secondary percussion occurring, and improve safety when surgical operating instrument is performed the operation.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of surgical operating instrument safety and surgical operation
Apparatus.
Background technology
Circular stapler is a kind of for the end-to-end of the lumen organization such as digestive tract surgical operation, end offside, side offside
The surgical operating instrument of suture operation, little to the operation wound of patient in operation process, good operation effect can greatly reduce to handss
The pain that art patient brings.
The generation for being provided with safety to prevent from surprisingly firing in stiching instrument operating process in circular stapler.But, it is existing
In having technology, the safety that stiching instrument is adopted are mostly individually operated, needed manually to safety after the completion of shot
Resetted, prevented secondary percussion；But, during stiching instrument use, there may be after shot and forget to insurance
Device is resetted, and in turn results in the danger of secondary percussion.
Therefore, there is the risk of unexpected percussion in surgical operating instrument of the prior art, and operation safety is relatively low.
The content of the invention
The invention provides the safety and surgical operating instrument of a kind of surgical operating instrument, surgical operating instrument guarantor
Dangerous device can automatically reset to prevent the unexpected of firing handle from firing, and improve operation safety.
To reach above-mentioned purpose, the present invention provides technical scheme below：
A kind of safety of surgical operating instrument, including discharge cock, Safety buckle, the first dynamic clamping head and quiet clamping head and
Two dynamic clamping head and quiet clamping heads, wherein：
The discharge cock is installed in the handle body of the surgical operating instrument, and first dynamic clamping head and quiet clamping head is installed on
Between the discharge cock and the handle body；By the percussion of the surgical operating instrument when discharge cock is in off-position
Handle locking；
The Safety buckle is installed in the handle body, second dynamic clamping head and quiet clamping head be installed on the Safety buckle with
Between the handle body；When the discharge cock is in open position, the Safety buckle is acted in second dynamic clamping head and quiet clamping head
Lower to lock the discharge cock, the firing handle carries out driving the Safety buckle to pivot about axle turn during firing action
The dynamic, locking with arming buckle to discharge cock.
The safety of the surgical operating instrument that the present invention is provided, the firing handle of surgical operating instrument need not be hit
When starting to make, discharge cock is in off-position, and outer end and the firing handle of discharge cock coordinate the percussion handss of surgical operating instrument
Handle is locked, and can prevent firing handle from carrying out firing action；When needing to drive firing handle to carry out firing action, first insurance is opened
Close and adjust to open position, when adjusting to open position, Safety buckle is under the reset pressure effect of the second dynamic clamping head and quiet clamping head for discharge cock
Discharge cock is locked in into open position；Then the percussion that firing handle carries out firing action to realize surgical operating instrument is operated to move
Make；Drive Safety buckle to overcome reset force of second dynamic clamping head and quiet clamping head to Safety buckle when firing handle carries out firing action, make
Safety buckle pivots about axle rotation, and then locking of the arming buckle to discharge cock, moves when firing handle completes percussion
When resetting, discharge cock pivots about axial off-position direction in the presence of the first dynamic clamping head and quiet clamping head reset force and rotates, and protects
Danger resets in the presence of being buckled in the second dynamic clamping head and quiet clamping head；Discharge cock automatically reset in the presence of the first dynamic clamping head and quiet clamping head to
During off-position, again firing handle is locked, prevent firing handle from the accident of secondary percussion occurring.
So, in above-mentioned surgical operating instrument, after firing handle percussion, safety can automatically reset, and then can
Prevent firing handle from the accident of secondary percussion occurring, improve safety when surgical operating instrument is performed the operation.
Preferably, first dynamic clamping head and quiet clamping head is to be sheathed on pivotal axis between the discharge cock and the handle body
On torsion spring.
Preferably, the Safety buckle is provided with：
The discharge cock is locked in during with the discharge cock lock fit sticking department of open position；
Coordinate so that the Safety buckle is pivoted about with the firing handle when firing handle carries out firing action
Axle rotates, releasing drive division of the sticking department to the locking of the discharge cock.
Preferably, one end of the Safety buckle is installed in the handle body, and the drive division shape by pivotal axis
The other end of Safety buckle described in Cheng Yu, the sticking department are formed at the middle part of the Safety buckle.
Preferably, second dynamic clamping head and quiet clamping head is to be sheathed on pivotal axis between the Safety buckle and the handle body
On torsion spring.
Preferably, the inner of the discharge cock is the cam structure with lock face, the lock that the Safety buckle has
It is the locking projections for being convex to the discharge cock to determine portion；Second dynamic clamping head and quiet clamping head effect under, when the locking projections with
When the lock face of the cam structure offsets, the discharge cock is locked in open position by the Safety buckle.
Preferably, the outer end of the discharge cock has locking bayonet socket；When the discharge cock is in off-position, the guarantor
The locking mechanism that the locking bayonet socket of danger switch is had with the firing handle engages, and the firing handle is locked.
Preferably, the Safety buckle is provided with the projection of the drive rod for being convex to surgical operating instrument, and it is described convex that and if only if
Rise the opening that arranges with the drive rod towards the Safety buckle side draw-in groove just pair when, the projection can stretch into the card
So that the discharge cock is movable to open position in groove.
On the other hand, present invention also offers a kind of surgical operating instrument, including：
Handle body；
It is installed in the firing handle of the handle body；
The drive rod of end effector closure state is adjusted when being installed on the handle body, action；
The end effector being connected with the drive rod；Any one insurance provided in also including above-mentioned technical proposal
Device.
Preferably, the firing handle has the projection of the side for being convex to the safety, the firing handle percussion
When, the projection drive the Safety buckle pivot about axle rotate, with Safety buckle in arming device to discharge cock
Locking.
Preferably, when the discharge cock of the safety has locking bayonet socket, the firing handle has lock
Determine mechanism；When the discharge cock is in off-position, the locking machine for locking bayonet socket and the firing handle of the discharge cock
Structure engages, and the firing handle is locked.
Preferably, when in the safety, the Safety buckle be provided be convex to the drive rod it is raised when, the drive
The setting position of lever is provided with the draw-in groove being open towards the Safety buckle side, and it is described raised with the drive rod that and if only if
The opening of setting towards the Safety buckle side draw-in groove just pair when, the projection can be stretched in the draw-in groove so that the guarantor
Danger switch is movable to open position.
Preferably, the surgical operating instrument is circular stapler.
Preferably, the nail anvil that the end effector is included nail kit and is connected with the drive rod, when the driving
Bar drives the nail anvil action to being closed between the nail anvil and the nail kit when the cock, and the draw-in groove is convex with described
It is just right to rise.
Description of the drawings
Fig. 1 is a kind of structural representation of surgical operating instrument safety provided in an embodiment of the present invention；
Fig. 2 be surgical operating instrument provided in an embodiment of the present invention safety in discharge cock be in off-position when knot
Structure schematic diagram；
Fig. 3 be surgical operating instrument provided in an embodiment of the present invention safety in discharge cock in open position and percussion
Structural representation when handle is not fired；
Fig. 4 is structural representation when not resetting after firing handle percussion in surgical operating instrument provided in an embodiment of the present invention
Figure；
Fig. 5 is the raised and drive rod of the Safety buckle of safety in surgical operating instrument provided in an embodiment of the present invention
Draw-in groove para-position when view；
Fig. 6 is the structural representation of Safety buckle in safety provided in an embodiment of the present invention；
Fig. 7 is the structural representation of discharge cock in safety provided in an embodiment of the present invention；
Fig. 8 be in safety provided in an embodiment of the present invention discharge cock in off-position firing handle is locked when
Structural representation.
Reference：
1, discharge cock 2, Safety buckle 3, handle body
4, drive rod 5, firing handle 11, pivotal axis
12, the first dynamic clamping head and quiet clamping head 13, locking bayonet socket 21, sticking department
22, drive division 23, pivotal axis 24 are raised
25 second dynamic clamping head and quiet clamping heads 41, draw-in groove 51, pivotal axis
52, projection 53, locking mechanism
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The invention provides a kind of safety of surgical operating instrument and a kind of surgery handss with above-mentioned safety
Safety, for ease of being described to the course of work and operation principle of safety, are retouched in the present embodiment by art apparatus
The related notion to surgical operating instrument is introduced during stating, therefore, no longer individually to above-mentioned safety in text
The operation principle of surgical operating instrument be described.
Fig. 2, Fig. 3 and Fig. 4 are referred to incorporated by reference to Fig. 1, wherein, Fig. 1 is surgical operating instrument provided in an embodiment of the present invention
A kind of structural representation of safety；Fig. 2 be surgical operating instrument provided in an embodiment of the present invention safety in insure
Switch is in structural representation during off-position；Fig. 3 be surgical operating instrument provided in an embodiment of the present invention safety in protect
Structural representation when danger is switched in open position and firing handle is not fired；Fig. 4 is surgical operation provided in an embodiment of the present invention
Structural representation when not resetting after firing handle percussion in apparatus.
As shown in Fig. 2 Fig. 3 and Fig. 4, in a kind of specific embodiment, surgical operating instrument bag provided in an embodiment of the present invention
Include handle body 3, be installed in the firing handle 5 of handle body 3, be installed on handle body 3, open for adjusting end effector
The drive rod 4 of closure state, the end effector being connected with drive rod 4, and the insurance dress being installed in handle body 3
Put, wherein, firing handle 5 is locked when being in off-position by the discharge cock 1 of the safety, prevents firing handle 5 from being fired
Action, when discharge cock 1 is in open position, firing handle 5 can carry out firing action, and after firing handle 5 carries out firing action
During reset, discharge cock 1 automatically resets to off-position, locks firing handle 5 again, can prevent firing handle 5 from carrying out secondary hitting
The accident sent out, improves safety when surgical operating instrument is performed the operation.
For ease of description, set in the discharge cock of safety, one end that discharge cock 1 is coordinated with firing handle 5 is
Outer end, the other end are the inner, and the off-position of discharge cock 1 refers to that firing handle 5 is locked timing safety switch by the outer end of discharge cock 1
Station residing for 1；The open position of discharge cock 1 refers to that discharge cock 1 releases the locking to firing handle 5 and Safety buckle 2 will be protected
Danger switch 1 locks the station residing for timing safety switch 1.
As depicted in figs. 1 and 2, the safety of surgical operating instrument provided in an embodiment of the present invention include discharge cock 1,
Safety buckle 2, the first dynamic clamping head and quiet clamping head 12 and the second dynamic clamping head and quiet clamping head 25, wherein：
Discharge cock 1 is installed in the handle body 3 of surgical operating instrument by pivotal axis 11, and the first dynamic clamping head and quiet clamping head 12 is pacified
Loaded between discharge cock 1 and handle body 3, and provide for discharge cock 1 and make discharge cock 1 pivot about axle 11 to turn to off-position
Reset force；By the firing handle 5 of surgical operating instrument when discharge cock 1 is in off-position under the effect of the first dynamic clamping head and quiet clamping head 12
Locking；
Safety buckle 2 is installed in handle body 3 by pivotal axis 23, and the second dynamic clamping head and quiet clamping head 25 is installed on Safety buckle 2
Between handle body, when discharge cock 1 is in open position, Safety buckle 2 can be acted in the reset force of the second dynamic clamping head and quiet clamping head 25
It is lower that discharge cock 1 is locked, drive Safety buckle 2 to rotate around pivotal axis 23 when firing handle 5 carries out firing action, release and protect
Locking of the dangerous buckle 2 to discharge cock 1.
In a kind of preferred embodiment, as shown in figure 1, the Safety buckle 2 of safety is provided with：
With the sticking department 21 that discharge cock 1 is locked in during 1 lock fit of discharge cock open position；
When firing handle 5 carries out firing action with firing handle 5 coordinate so that Safety buckle 2 pivot about axle 23 rotate,
With drive division 22 of the portion of unlocking 21 to the locking of discharge cock 1.
It is highly preferred that in the Safety buckle 2 of above-mentioned safety, one end of Safety buckle 2 is installed in by pivotal axis 23
Handle body, and drive division 22 is formed at the other end of Safety buckle 2, sticking department 21 is formed at the middle part of Safety buckle 2.Due to
The distance between drive division 22 and pivotal axis 23 farther out, firing handle 5 drive Safety buckle 2 around pivotal axis 23 rotates when to driving
The power in portion 22 is less, is easy to firing handle 5 to carry out firing action；The distance between sticking department 21 and pivotal axis 23 are relative to driving
Portion 22 is relatively near with the distance between pivotal axis 23, therefore, it is equalising torque when guarantee insurance buckle 2 is locked to discharge cock 1,
Latching force between sticking department 21 and discharge cock 1 is larger, improves stability when Safety buckle 2 is locked to discharge cock 1.
The safety of the surgical operating instrument that the present invention is provided, orientation as shown in Figure 2, firing handle 5 need not be carried out
During firing action, discharge cock 1 is in off-position, and outer end and the firing handle 5 of discharge cock 1 coordinate so that firing handle 5 to be locked,
Can prevent firing handle 5 from carrying out firing action；Orientation, when needing to drive firing handle 5 to be fired, first will as shown in Figure 3
Discharge cock 1 is adjusted to open position around 11 rotate counterclockwise of pivotal axis, and makes Safety buckle 2 in the reset of the second dynamic clamping head and quiet clamping head 25
Pressure effect is lower to be locked discharge cock 1 by sticking department 21；As shown in figure 4, and then operating firing handle 5 to pivot about axle 51
Rotate counterclockwise carries out firing action to realize the firing action of surgical operating instrument, when firing handle 5 carries out firing action, hits
Send out the drive division 22 that handle 5 is Safety buckle 2 driving force is provided to overcome reset of second dynamic clamping head and quiet clamping head 25 to Safety buckle 2
Power, firing handle 5 drive Safety buckle 2 to pivot about axle 23 and turn clockwise, and the sticking department 21 of Safety buckle 2 is opened with insurance
Close, with locking of the sticking department 21 of arming buckle 2 to discharge cock 1, so that discharge cock 1 is first
Pivot about axle 11 to turn clockwise certain angle in the presence of 12 reset force of dynamic clamping head and quiet clamping head, and when firing handle 5 completes to hit
When starting to reset, discharge cock 1 in the presence of the first dynamic clamping head and quiet clamping head 12 continues around pivotal axis 11 and turns clockwise, until
Discharge cock 1 is rotated to off-position, discharge cock 1 is locked to firing handle 5 again, prevents firing handle 5 from occurring secondary
The accident of percussion；Meanwhile, in 5 reseting procedure of firing handle, Safety buckle 2 is in the presence of the second dynamic clamping head and quiet clamping head 25 around pivot
23 rotate counterclockwise of rotating shaft, until Safety buckle 2 is reset to its initial position.
So, the safety of above-mentioned surgical operating instrument can automatically reset, to prevent the percussion of surgical operating instrument
There is the accident of secondary percussion in handle 5, improve safety when surgical operating instrument is performed the operation.
As shown in figure 1, the first dynamic clamping head and quiet clamping head in a kind of preferred implementation, between discharge cock 1 and handle body 3
12 is to be sheathed on the torsion spring between discharge cock 1 and handle body 3 on pivotal axis 11.
The second elastic reset with continued reference to Fig. 1, in a kind of preferred implementation, between Safety buckle 2 and handle body 3
Part 25 is to be sheathed on the torsion spring between Safety buckle 2 and handle body 3 on pivotal axis 23.
Torsion spring Stability Analysis of Structures, and torsion spring is stable to the reset force that discharge cock 1 and Safety buckle 2 are provided, and improves insurance
The reliability of device action.
As shown in Fig. 2, Fig. 3 and Fig. 4, in surgical operating instrument provided in an embodiment of the present invention, when the safety
The drive division 22 that has of Safety buckle 2 when being bulge-structure, firing handle 5 has the projection 52 for being convex to safety side,
When firing handle 5 carries out firing action, projection 52 drives Safety buckle 2 to form the bulge-structure of drive division 22, so as to drive guarantor
Dangerous buckle 2 pivots about axle 23 and rotates, and then locking of the arming buckle 2 to discharge cock 1.
Refer to Fig. 3, Fig. 6 and Fig. 7；Fig. 6 is that the structure of Safety buckle in safety provided in an embodiment of the present invention is shown
It is intended to, Fig. 7 is the structural representation of discharge cock in safety provided in an embodiment of the present invention.
In a kind of embodiment, as shown in fig. 7, the inner of discharge cock 1 is the cam structure with lock face 14, such as scheme
Shown in 6, Safety buckle 2 has the locking projections for being convex to discharge cock 1 to form the sticking department 21 of Safety buckle 2；Such as Fig. 3 institutes
Show, under the effect of 25 reset force of the second dynamic clamping head and quiet clamping head, when between the lock face 14 of the locking projections and cam structure of Safety buckle 2
When offseting, discharge cock 1 is locked in open position by Safety buckle 2.
Orientation as shown in Figures 2 and 3, in the safety of said structure, as shown in Fig. 2 discharge cock 1 is in off-position
When, the locking projections for forming the sticking department 21 of Safety buckle 2 are offseted with the surface of 1 inner cam structure of discharge cock, work as insurance
Switch 1 around pivotal axis 11 rotates to open position counterclockwise when, the inner driving Safety buckle 2 of discharge cock 1 is around pivotal axis 23 along pin
Rotation；As shown in figure 3, when discharge cock 1 turns to open position, locking projection and 1 cam structure of discharge cock of Safety buckle 2
Lock face 14 offset, and then discharge cock 1 is locked in into open position.
When firing handle 5 carries out firing action, firing handle 5 acts on the drive division 22 of Safety buckle 2, so as to drive
Safety buckle 2 turns clockwise around pivotal axis 23, and then makes the sticking department 21 of Safety buckle 2 depart from 1 cam structure of discharge cock
Lock face 14, make Safety buckle 2 release the locking to discharge cock 1.When firing handle 5 resets, Safety buckle 2 is in the second bullet
Property the effect of return unit 25 reset force under around 23 rotate counterclockwise of pivotal axis, until Safety buckle 2 is reset to initial position.
Fig. 7 and Fig. 8 is refer to, wherein, Fig. 8 is in off-position for discharge cock in safety provided in an embodiment of the present invention
Structural representation when locking with firing handle.
In a kind of preferred implementation, as shown in fig. 7, the outer end of the discharge cock 1 of safety has locking bayonet socket 13；
As shown in figure 8, firing handle 5 has locking mechanism 53, and when discharge cock 1 is in off-position, the locking bayonet socket 13 of discharge cock 1
Engage with the locking mechanism of firing handle 5, firing handle 5 is locked.
Fig. 5 and Fig. 6 is refer to, wherein, Fig. 5 is the guarantor of safety in surgical operating instrument provided in an embodiment of the present invention
View during the draw-in groove para-position that the projection that dangerous buckle has is had with drive rod.
In a kind of preferred implementation, Safety buckle 2 is provided with the projection 24 of the drive rod 4 for being convex to surgical operating instrument, outward
In card operating theater instruments, drive rod 4 is provided with the draw-in groove 41 being open towards 2 side of Safety buckle in setting position, and it is raised that and if only if
24 draw-in grooves 41 arranged with drive rod 4 just pair when, raised 24 can stretch in draw-in groove 41, so that discharge cock 1 is movable to open position.
When no para-position between raised 24 and the draw-in groove 41 of drive rod 4, Safety buckle 2 is under the driving of discharge cock 1
When turning to certain position around pivotal axis 23, can interfere between the projection 24 and drive rod 4 of Safety buckle 2, Safety buckle 2
Cannot be rotated further, and then make discharge cock 1 also continue to its open position to rotate, discharge cock 1 cannot be locked in open position
On.Drive rod 4 arranges the position of draw-in groove 41 so that only drive rod 4 is moved into place, drives the end in surgical operating instrument to hold
Row device closure is in when cock in place, can just make to realize para-position between raised 24 and the draw-in groove 41 of the setting of drive rod 4,
Discharge cock 1 can just pivot about axle 11 and rotate to open position, and discharge cock 1 is locked in open position by Safety buckle 2；Work as insurance
When switch 1 cannot be locked in its open position, illustrate that the end effector of surgical operating instrument is not closed in place, tune need to be continued through
The position of whole drive rod 4 making end effector close in place, until the draw-in groove 41 of projection 24 and the drive rod 4 of Safety buckle 2
Between realize para-position, discharge cock 1 is can be locked in open position；The safety of said structure further increase surgical operation
Safety during tool operation.
Therefore, during the safety of said structure are able to ensure that surgical operating instrument, tissue closure is clamped by end effector
Safety could be opened when in place, and then firing handle 5 can just carry out firing action, further increase surgical operating instrument
Safety during operation.
In a kind of preferred implementation, the preferably circular stiching instrument of surgical operating instrument provided in an embodiment of the present invention.
Further, the nail anvil that the end effector of surgical operating instrument is included nail kit and is connected with drive rod 4, when
When being closed into cocked position between nail anvil and nail kit, the draw-in groove 41 of drive rod 4 is just right with the projection 24 of Safety buckle 2.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the embodiment of the present invention
Bright spirit and scope.So, if these modifications of the present invention and modification belong to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to comprising these changes and modification.
Claims (14)
1. a kind of safety of surgical operating instrument, it is characterised in that multiple including discharge cock, Safety buckle, the first elasticity
Position part and the second dynamic clamping head and quiet clamping head, wherein：
The discharge cock is installed in the handle body of the surgical operating instrument, and first dynamic clamping head and quiet clamping head is installed on described
Between discharge cock and the handle body；By the firing handle of the surgical operating instrument when discharge cock is in off-position
Locking；
The Safety buckle is installed in the handle body, second dynamic clamping head and quiet clamping head be installed on the Safety buckle with it is described
Between handle body；When the discharge cock is in open position, the Safety buckle can be under second dynamic clamping head and quiet clamping head effect
The discharge cock is locked, the firing handle carry out driving during firing action the Safety buckle pivot about axle rotate,
With locking of the arming buckle to discharge cock.
2. safety according to claim 1, it is characterised in that first dynamic clamping head and quiet clamping head is to be sheathed on the guarantor
Torsion spring between danger switch and the handle body on pivotal axis.
3. safety according to claim 1, it is characterised in that the Safety buckle is provided with：
The discharge cock is locked in during with the discharge cock lock fit sticking department of open position；
Coordinate with the firing handle when firing handle carries out firing action so that the Safety buckle pivots about axle and turns
It is dynamic, releasing drive division of the sticking department to the locking of the discharge cock.
4. safety according to claim 3, it is characterised in that one end of the Safety buckle is filled by pivotal axis pivot
In the handle body, and the drive division is formed at the other end of the Safety buckle, and the sticking department is formed at the guarantor
The middle part of dangerous buckle.
5. safety according to claim 4, it is characterised in that second dynamic clamping head and quiet clamping head is to be sheathed on the guarantor
Torsion spring between dangerous buckle and the handle body on pivotal axis.
6. safety according to claim 4, it is characterised in that the inner of the discharge cock is with lock face
Cam structure, the sticking department that the Safety buckle has are the locking projections for being convex to the discharge cock；It is elastic described second
Under return unit effect, when the lock face of the locking projections and the cam structure offsets, the Safety buckle is by the guarantor
Dangerous switch lock schedules open position.
7. safety according to any one of claim 1～6, it is characterised in that the outer end of the discharge cock has
Locking bayonet socket；When the discharge cock is in off-position, the locking bayonet socket of the discharge cock and the firing handle have
Locking mechanism engages, and the firing handle is locked.
8. safety according to claim 7, it is characterised in that the Safety buckle is provided with and is convex to surgical operating instrument
Drive rod projection, and if only if it is described it is raised with the drive rod on the opening that arranges towards the Safety buckle side
Draw-in groove just pair when, the projection can be stretched in the draw-in groove so that the discharge cock is movable to open position.
9. a kind of surgical operating instrument, including：
Handle body；
It is installed in the firing handle of the handle body；
It is installed on the handle body, the drive rod for adjusting end effector opening and closing state；
The end effector being connected with the drive rod；Characterized in that, also including such as any one of claim 1～8 institute
The safety stated.
10. surgical operating instrument according to claim 9, it is characterised in that the firing handle has and is convex to the guarantor
The projection of dangerous device side, when the firing handle is fired, the projection drive the Safety buckle pivot about axle rotate, with
Locking of the Safety buckle to discharge cock in arming device.
11. surgical operating instruments according to claim 10, it is characterised in that when the insurance of the safety is opened
When closing with locking bayonet socket, the firing handle has locking mechanism；When the discharge cock is in off-position, the insurance is opened
The locking bayonet socket of pass is engaged with the locking mechanism of the firing handle, and the firing handle is locked.
12. surgical operating instruments according to claim 9, it is characterised in that when in the safety, the insurance card
Button be provided be convex to the drive rod it is raised when, the setting position of the drive rod is provided with and is open towards the Safety buckle side
Draw-in groove, and if only if it is described it is raised with the drive rod on the opening that arranges it is just right towards the draw-in groove of the Safety buckle side
When, the projection can be stretched in the draw-in groove so that the discharge cock is movable to open position.
13. surgical operating instruments according to claim 12, it is characterised in that the surgical operating instrument is circular stapler
Device.
14. surgical operating instruments according to claim 13, it is characterised in that the end effector include nail kit and with
The nail anvil that the drive rod is connected, when the drive rod drives the nail anvil action between the nail anvil and the nail kit
It is closed into when cock, the draw-in groove is just right with the projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129564.5A CN104939885B (en) | 2014-03-31 | 2014-03-31 | A kind of surgical operating instrument safety and surgical operating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129564.5A CN104939885B (en) | 2014-03-31 | 2014-03-31 | A kind of surgical operating instrument safety and surgical operating instrument |
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| Publication Number | Publication Date |
|---|---|
| CN104939885A CN104939885A (en) | 2015-09-30 |
| CN104939885B true CN104939885B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410129564.5A Active CN104939885B (en) | 2014-03-31 | 2014-03-31 | A kind of surgical operating instrument safety and surgical operating instrument |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073841B (en) * | 2016-07-07 | 2019-05-31 | 江苏风和医疗器材股份有限公司 | Surgical instruments |
| DE102016216996A1 (en) * | 2016-09-07 | 2018-03-08 | Trumpf Medizin Systeme Gmbh + Co. Kg | Connection device and method for unlocking the connection device |
| CN111801126A (en) * | 2018-03-29 | 2020-10-20 | 诺信公司 | Lid and cartridge assembly |
| US11259887B2 (en) * | 2018-08-10 | 2022-03-01 | Covidien Lp | Feedback mechanisms for handle assemblies |
| US20230157694A1 (en) * | 2020-04-28 | 2023-05-25 | Covidien Lp | Surgical stapling apparatus with tissue gap lock |
| CN114098871B (en) * | 2021-11-26 | 2023-09-29 | 赛诺微医疗科技（浙江）有限公司 | Firing safety structure, anastomat and medical equipment |
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| CN201098164Y (en) * | 2007-07-18 | 2008-08-13 | 马剑文 | Medical anastomat in-position safety opening device |
| CN201182621Y (en) * | 2008-04-28 | 2009-01-21 | 马剑文 | Medical anastomat insurance opening devcie |
| CN203970461U (en) * | 2014-03-31 | 2014-12-03 | 瑞奇外科器械(中国)有限公司 | A kind of surgical operating instrument safety and surgical operating instrument |
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| CA2501049C (en) * | 2002-10-04 | 2012-01-03 | Tyco Healthcare Group Lp | Surgical stapling device |
| US8113405B2 (en) * | 2008-09-03 | 2012-02-14 | Tyco Healthcare Group, Lp | Surgical instrument with indicator |
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| US5240163A (en) * | 1991-10-30 | 1993-08-31 | American Cyanamid Company | Linear surgical stapling instrument |
| CN201098164Y (en) * | 2007-07-18 | 2008-08-13 | 马剑文 | Medical anastomat in-position safety opening device |
| CN201182621Y (en) * | 2008-04-28 | 2009-01-21 | 马剑文 | Medical anastomat insurance opening devcie |
| CN203970461U (en) * | 2014-03-31 | 2014-12-03 | 瑞奇外科器械(中国)有限公司 | A kind of surgical operating instrument safety and surgical operating instrument |
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| CN104939885A (en) | 2015-09-30 |
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Address after: 300457 Tianjin Binhai New Area Economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Patentee after: Tianjin Ricky surgical instruments Limited by Share Ltd Address before: 300457 Tianjin Binhai New Area Economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Patentee before: Reach Surgical Instrument (China) Co.,Ltd. |
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