CN209529241U - Firing lock and stapler - Google Patents
Firing lock and stapler Download PDFInfo
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- CN209529241U CN209529241U CN201822152931.XU CN201822152931U CN209529241U CN 209529241 U CN209529241 U CN 209529241U CN 201822152931 U CN201822152931 U CN 201822152931U CN 209529241 U CN209529241 U CN 209529241U
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- percussion
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Abstract
It includes actuating lever that the utility model, which provides a kind of firing lock and stapler, the firing lock, offers a backstop slot；Percussion handle, with first position, percussion handle is internally provided with a pin, pin has first state and the second state, pin is in first state and when percussion handle is in first position, the first end of pin protrudes from the first end of percussion handle and enters backstop slot, and percussion handle is non-rotatable relative to actuating lever；Press button is dialled, when group press button is moved along first direction, the direction for suppressing first end towards the second end of percussion handle of pin is moved, and pin enters the second state.By using the utility model, stapler not up to can cock when, in the backstop slot of pin insertion actuating lever in first state, limit the spinning movement of percussion handle, the actuator of percussion handle can not drive actuating lever mobile to distal end, operator can not hold the percussion that percussion handle carries out stapler, so that the mistakenly hit of stapler be avoided to send out.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of firing lock and stapler.
Background technique
Disease of digestive tract is high-incidence one of the disease of the mankind, over the course for the treatment of, is often used the hand that stapler replaces doctor
Work operation carries out the physiological tissues such as alimentary canal identical.Linear anastomat is a kind of common ophthalmic surgical instrument, is adopted mostly
With linear bookbinding form, it coincide during operation to physiological tissues such as oesophagus, stomach, enteron aisles.
Linear anastomat generally comprises instrument platform and the head for being removably installed in the platform, and head can pass through
Puncture outfit passes through the small notch on body and implements operation to approach operative site.Specifically, instrument platform includes percussion handle, can
The head of disassembly includes a nail kit shell and the nail head for being installed on nail kit shell distal end, and nail kit shell is internally provided with percussion
Component, nail head are the part for implementing cutting and suture movement.Under the driving of percussion handle, percussion component can drive ailhead
Complete seaming and cutting operation in portion.
In existing linear anastomat, when performing the operation offhand completion, doctor may be because of careless or experience
It is insufficient and mistakenly hold percussion handle, cause the mistakenly hit of stapler to be sent out, influence surgical effect, or even patient is caused to damage.
Utility model content
For the problems of the prior art, the purpose of this utility model is to provide a kind of firing lock and stapler,
When pin is inserted into the backstop slot of actuating lever, operator can not hold the percussion that percussion handle carries out stapler.
The utility model embodiment provides a kind of firing lock, is used for stapler, and the firing lock includes: actuating lever,
The actuating lever offers a backstop slot；Percussion handle, the percussion handle have first position, the inside of the percussion handle
It is provided with a pin, the pin has first state and the second state, and the pin is in the first state and described hits
Hair handle is when being in the first position, the first end of the pin protrude from the first end of the percussion handle and described in entering
Backstop slot, the percussion handle are non-rotatable relative to the actuating lever；Press button is dialled, described group of press button is moved along first direction
When, the direction for suppressing the first end of the pin towards the second end of the percussion handle moves, so that the pin is from institute
First state is stated into second state.
Optionally, further include balance weight, the balance weight includes rotating part and interconnecting piece, the interconnecting piece of the balance weight with
Described group of press button is connected, and when the rotating part of the balance weight is rotated in a first direction, drives the press button of dialling along first direction
Movement.
Optionally, the percussion handle is internally provided with a cotter way, and the pin is set in the cotter way, and described
Pin return unit is provided between the second end of pin and the cotter way, the pin, which only has, limits the straight of direction along the cotter way
Line movement.
Optionally, the pin return unit is pressure spring, when the pin is in second state, the second of the pin
The side pressure contracting pressure spring deformation.
Optionally, the first auxiliary section matched and the second cooperation are respectively arranged on the pin and described group of press button
Portion, when described group of press button is moved along first direction, first auxiliary section presses second auxiliary section, so that the pin
First end is moved towards the direction of the percussion handle.
Optionally, first auxiliary section and the second auxiliary section are boss, or, first auxiliary section is boss, institute
Stating the second auxiliary section is concave station, or, first auxiliary section is concave station, second auxiliary section is boss.
Optionally, first auxiliary section is boss, and the boss includes stopper section and stage portion, second auxiliary section
For the concave station matched with the stopper section.
Optionally, described group of press button includes group splenium being connected with second auxiliary section, and described group of splenium is arranged in
In the shell of the stapler.
Optionally, it is provided on the shell of the stapler and dials press button locating part, described group of press button locating part is located at described
Press button is dialled along the path that first direction moves.
Optionally, the percussion handle also has the second position, when the pin is in second state, the pin
First end and the backstop slot be detached from, the percussion handle can rotate between the first position and the second position.
Optionally, the proximal end of the backstop slot is provided with the arc groove being recessed towards the inside of the actuating lever, the pin
Column is in the first state, and when the percussion handle is rotated from the second position to the first position, the camber line
Slot matches with the first end of the pin and the first end of the pin is guided to enter the backstop slot.
Optionally, actuator is additionally provided in the percussion handle, the actuating lever has the third place and the 4th position,
The backstop slot is proximally and distally respectively arranged with rack gear and propulsion tooth；
The actuating lever is in the third place, and the percussion handle is from the second position to the first position
When rotation, the actuator is in contact with the propulsion tooth, and push the actuating lever to the distal end of the stapler it is mobile into
Enter the 4th position；
The actuating lever is in the 4th position, and the percussion handle is from the second position to the first position
When rotation, the actuator is in contact with the rack gear, and pushes the actuating lever mobile to the distal end of the stapler.
The utility model embodiment also provides a kind of stapler, and the stapler includes the firing lock.
Firing lock and stapler provided by the utility model have the advantages that
The utility model provides a kind of firing lock for stapler, realizes kiss by the cooperation of pin and actuating lever
The percussion of clutch is insured, and after stapler closure, doctor is to need to adjust the stacked state of the tissue of nail head, such as flattening group
It knits, reaches the state that can be fired.Tissue not up to can cock when, pin be inserted into actuating lever in backstop slot
In, limit the spinning movement of percussion handle, the actuator of percussion handle cannot drive actuating lever and actuating lever can not be pushed to remote
End movement, operator can not hold percussion handle and carry out the percussion of stapler, so that stapler be avoided not carry out operation standard
It is just fired before standby；When being moved by press button along first direction, pin can be suppressed and disengage it from backstop slot without limiting
The spinning movement of percussion handle can allow handle rotate the percussion for driving actuating lever to actuator and carrying out stapler；This
Utility model can be applied not only to linear anastomat, also can be applied to other kinds of stapler.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon.
Fig. 1 is the firing lock of an embodiment of the present invention and the structural schematic diagram of stapler body fits；
Fig. 2 is that the firing lock of an embodiment of the present invention is in the structural schematic diagram of original state；
Fig. 3~4 are the schematic diagrames of the pin and group press button and rack gear cooperation of an embodiment of the present invention；
Fig. 5~6 are the pin and group schematic diagram of press button cooperation of an embodiment of the present invention；
Fig. 7~8 are the structural schematic diagrams of the rack gear of an embodiment of the present invention；
The structural schematic diagram of firing lock when Fig. 9~10 are the pressing percussion handles of an embodiment of the present invention；
Figure 11 is the structural schematic diagram when firing lock of an embodiment of the present invention is in safety position；
Figure 12 be an embodiment of the present invention firing lock be in can firing position when structural schematic diagram.
Appended drawing reference:
1 stapler ontology, 6 pin
The first end of 11 groups of 61 pins of press button locating part
The second end of 2 fixed 62 pins of handle
3 percussion handle, 63 first auxiliary section
631 stopper section of first end of 31 percussion handles
632 stage portion of second end of 32 percussion handles
4 actuator, 7 pin reset spring
5 actuating levers 8 dial press button
51 rack gear, 81 second auxiliary section
511 rach slots 82 dial splenium
52 arc groove, 821 finger position
53 backstop slot, 9 balance weight
54 promote 91 rotating part of tooth
58 partes glabra, 92 interconnecting piece
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that this is practical new
Type will be full and complete, and the design of example embodiment is comprehensively communicated to those skilled in the art.It is identical in figure
Appended drawing reference indicate same or similar structure, thus repetition thereof will be omitted.
The technical issues of in order to solve in the prior art, the utility model provide a kind of percussion lock for stapler
Structure, the firing lock include: actuating lever, and the actuating lever offers a backstop slot；Percussion handle, the percussion handle have
First position, the percussion handle are internally provided with a pin, and the pin has first state and the second state, the pin
Column is in the first state and when the percussion handle is in the first position, and the first end of the pin protrudes from described
The first end of percussion handle and enter the backstop slot, the percussion handle is relative to the non-rotatable reset of the actuating lever；It dials
Press button when described group of press button is moved along first direction, suppresses the first end of the pin towards the second end of the percussion handle
Direction movement so that the pin from the first state enter second state.The utility model embodiment also mentions
For a kind of stapler, including the firing lock.The stapler is not limited to linear anastomat, is also possible to other kinds of
Stapler.
Therefore, in the firing lock of the utility model, the percussion of stapler is realized by the cooperation of pin and actuating lever
Insurance, stapler not up to can cock when, pin be in first state, in the backstop slot in pin insertion actuating lever,
The spinning reduction of percussion handle is limited, actuator and the actuating lever of percussion handle cannot interact, even if pressing percussion handle
Also actuating lever can not be pushed mobile to distal end, operator can not hold the percussion that percussion handle carries out stapler, to avoid kissing
The mistakenly hit of clutch is sent out.Therefore, for pin in first state, stapler is in safety position, and stapler can not be fired normally.It is pressing
When press button is moved along first direction, pin can be suppressed and disengage it from spinning movement of the backstop slot without limiting percussion handle.
Introduce the structure of the firing lock of each embodiment of the utility model respectively with reference to the accompanying drawing.
As shown in Fig. 1~12, the firing lock and the wherein structure of component of the utility model first embodiment are shown.?
In the embodiment, the firing lock includes actuating lever 5, percussion handle 3 and group press button 8.The actuating lever 5 offers a backstop
Slot 53；The percussion handle 3 has first position and the second position, and the percussion handle 3 is internally provided with a pin 6, institute
Pin 6 is stated with first state and the second state, the pin 6 is in the first state and the percussion handle 3 is in institute
When stating first position, the first end 61 of the pin 6 protrudes from the first end 31 of the percussion handle 3 and enters the backstop slot
53, the percussion handle 3 is non-rotatable relative to the actuating lever 5；When described group of press button 8 is moved along first direction, institute is suppressed
The direction for stating the first end 61 of pin 6 towards the second end 32 of the percussion handle 3 moves, so that the pin 6 is from described
First state enters second state.First direction in the embodiment is the direction of the B indicated in Fig. 4.In the implementation
In example, when pin 6 is in the second state, pin is retracted to the second extreme direction of percussion handle 3 to be detached from backstop slot 53.
As shown in Figure 1, for the firing lock of an embodiment of the present invention and the schematic diagram of stapler body fits.It coincide
Device ontology 1 is internally provided with the actuating lever 5, and the distal end of actuating lever 5 is connected with push broach component.Actuating lever 5 has third
Position and the 4th position, the third place are located at the proximal end of the 4th position, and actuating lever 5 continues the distal end to stapler from the 4th position
When mobile, push broach component can be pushed to realize the percussion of stapler.Stapler ontology 1 is provided with a fixed handle 2, described to hit
The first end 31 of hair handle 3 is pivotally connected to stapler ontology 1, and is provided between percussion handle 3 and stapler ontology 1
Percussion handle resetting structure, this percussion handle resetting structure can be the structures such as tension spring, torsional spring, pressure spring.Percussion handle 3 is operated
It, can the direction A rotates along figure relative to stapler ontology 1 when person holds.The position of percussion handle 3 shown in Fig. 1 is the
Two positions, firing lock is in original state at this time, and operator holds percussion handle 3, so that the second end 32 of percussion handle 3 is leaned on
When nearly fixed handle 2, percussion handle 3 enters first position, and when operator unclamps percussion handle 3, percussion handle 3 can fired
It under the action of handle resetting structure, is rotated along the direction contrary with A, the second end 32 of percussion handle 3 is far from fixed handle
2, percussion handle 3 is back to the second position.
It in the present invention, is proximally and distally for operator, wherein distally refer to distance operation
The farther away one end of person, proximal end are referred to apart from the closer one end of operator.For example, in the visual angle of Fig. 1, stapler ontology 1
Distal end refers to that left side one end in figure, proximal end refer to the right one end in figure.
As shown in Fig. 2, being in the structural schematic diagram of original state for the firing lock of an embodiment of the present invention.This
When, percussion handle 32 is in the second position, and pin 6 is in first state.In this embodiment, the inside of the percussion handle 3
It is provided with a cotter way 33, the pin 6 is set in the cotter way 33, and the pin 6 only can be along side defined by cotter way 33
It moves upwards, and is provided with pin return unit 7 between the second end 62 and the cotter way 33 of the pin 6.In this embodiment,
The pin return unit 7 be pressure spring, the pin 6 by dial press button 8 towards percussion handle 3 second end 32 direction pressure
When, pin 6 enters second state from first state, meanwhile, the second end 62 of the pin 6 compresses the pressure spring deformation,
The first state of the i.e. described pin 6 is the state that protrudes out, and the second state of the pin 6 is indentation state.Press button 8 is being dialled along with the
When one contrary direction movement, the not re-compacted pin 6 of press button 8, the weight under the action of recoverable force power of pressure spring of pin 6 are dialled
Newly it is back to first state.
As shown in Figures 3 to 6, in the embodiment, firing lock further comprises balance weight 9, and the balance weight 9 includes
Rotating part 91 and interconnecting piece 92, the interconnecting piece 92 of the balance weight 9 are fixedly connected with described group of 8 phase of press button, the rotating part 91
Pivot is set in the fixed handle 2, when the rotating part 91 is rotated in a first direction, drives the press button 8 of dialling along first party
To movement.The balance weight 9 can also be rotationally fixed on the shell of stapler ontology 1, for example, in stapler ontology 1
Case inside corresponding rotary shaft is set, balance weight 9 is set in the outside of rotary shaft, but the utility model is without being limited thereto, puts down
Weighing block 9 can also be using other fixed form.
Therefore, for the embodiment by the cooperation of balance weight 9, group press button 8 and pin 6, the movement by dialling press button 8 can
Change the state of pin 6.The movement of press button 8 is dialled always centered on balance weight 9, and dials press button 8 relative to stapler ontology 1,
It does not generate displacement along the axial direction of balance weight 9, improves the structural stability of firing lock entirety, and facilitate operator
It uses.
As illustrated in figures 3-6, in this embodiment, it is respectively arranged with and to match on the pin 6 and described group of press button 8
First auxiliary section 63 and the second auxiliary section 81, when described group of press button 8 is moved along first direction, first auxiliary section 63 presses institute
The second auxiliary section 81 is stated, so that the direction of the first end 61 of the pin 6 towards the second end 32 of the percussion handle 3 moves.
In this embodiment, first auxiliary section 63 is boss, and the boss includes stopper section 631 and stage portion 632,
Second auxiliary section 81 is the concave station matched with the stopper section 631.In the visual angle of Fig. 4, stopper section 631 is located at step
The top in portion 632, stopper section 631 and the second auxiliary section 81 directly cooperate.It, can also be by institute in other alternative embodiments
It states the first auxiliary section 63 and the second auxiliary section 81 and is disposed as boss, or set other shapes for first auxiliary section 63
Boss, second auxiliary section 81 is concave station, or sets concave station, second auxiliary section for first auxiliary section 63
81 be boss etc..When balance weight 9 is rotated in a first direction, group press button 8 is driven to move along first direction, dials the recessed of press button 8
The boss of pin 6 is oppressed at platform, and towards direction compression press spring 7 obliquely, so that the first end 61 of pin 6 is towards percussion handle 3
Second end 32 direction it is mobile, pin 6 can enter the second state from first state.
Described group of press button 8 includes group splenium 82 being connected with second auxiliary section 81, and described group of splenium 82 is arranged in
In the shell of the stapler and protrude out except the shell.In this embodiment, it there are two described group of spleniums 82, wears respectively
In two side bodies of the stapler ontology 1.Further, it is additionally provided on the shell of the stapler and dials press button limit
Position part 11, the described group of press button locating part 11 are located at the press button 8 of dialling along the path that first direction moves, for dialling press button 8
Movement along first direction is limited.A finger position 821 can also be respectively set on splenium 82 by dialling, and facilitate operator from shell
The right and left of body can operate.
As shown in Figure 7 and Figure 8, the proximal end of the backstop slot 53 can be set recessed towards the inside of the actuating lever 5
Arc groove 52, the pin 6 is in the first state, and the percussion handle 3 is rotated from the second position to described
When first position, the arc groove 52 matched with the first end 61 of the pin 6 and guide the first end 61 of the pin 6 into
Enter the backstop slot 53.
In the embodiment, actuator 4 is additionally provided in the percussion handle 3, the lower section of actuating lever 5 is additionally provided with rack gear 51
With propulsion tooth 54, the rack gear 51 is located at the proximal end for promoting tooth 54, and is additionally provided between the rack gear 51 and propulsion tooth 54
Partes glabra 58, rack gear 51 and propulsion tooth 54 can match respectively with the actuator 4 of percussion handle 3.Under original state, the cause
Lever 5 is in the third place, described when the percussion handle 3 is rotated from the second position to the first position
Actuator 4 is in contact with the propulsion tooth 54, and the actuating lever 5 is driven to move into described to the distal end of the stapler
Four positions；The actuating lever 5 is in the 4th position, and the percussion handle 3 is from the second position to described first
When setting rotation, the actuator 4 enters 51 region of rack gear, and the actuating lever 5 can further be pushed to coincide to described
The distal end of device is mobile, to push push broach component, and then fires stapler.
The structure of the firing lock of the embodiment under various regimes is specifically introduced below with reference to Fig. 9~12.
In initial position, as shown in Fig. 2, the first end 61 of pin 6 protrudes from percussion handle 3, and it is located at rack gear 51
Region, the actuator 4 are located at partes glabra 58.
In stapler closure, as shown in Figure 9 and Figure 10, when being held for percussion handle 3, percussion handle 3 is in from the
Two positions to first position rotate during two positions.Actuating lever 5 enters the 4th position from the third place during this,
As shown in figure 9, pin 6 is in first state at this time, but by arc groove for the state that percussion handle 3 is slightly held
The first end 61 of 52 mild compressions, pin 6 still protrudes from percussion handle 3.As shown in Figure 10, maximum is held for percussion handle 3
State, pin 6 is still in first state at this time, and pin 6 has arrived at the distalmost end of arc groove 52.I.e. in percussion handle 3
When rotating from the second position to first position, the first end 61 of pin 6 is guided the position for moving closer to backstop slot 53 by arc groove 52
It sets.Continue to hold percussion handle 3 at this time, as shown in figure 11, percussion handle 3 rotates to actuator 4 to first position and promotes tooth
54 contact, continue press percussion handle 3, percussion handle 3 can by actuator 4 push have promote tooth 54 actuating lever 5 to
The distal end of stapler is mobile, and actuating lever 5 is pushed the C along figure to move in direction and enter the 4th position.And pin 6 enters backstop slot
In 53.
At this point, since actuating lever 5 is pushed to the 4th position, if percussion handle 3 is back to the second position, actuator 4
Position can be opposite with the position of rack gear 51, operator continue press percussion handle 3, from the second position to first position rotate
When, actuator 4 can further push rack gear 51 mobile to the distal end of stapler, can fire stapler.However, preparing in operation
Before completion, if operator has mistakenly pressed percussion handle 3, it will cause the mistakenly hit of stapler hairs.Therefore, in the shape of Figure 11
Under state, since the first end 61 of pin 6 is inserted into backstop slot 53, backstop slot 53 limits the rotary motion of pin 6, also
The spinning reduction movement of percussion handle 3 is limited, percussion handle 3 can not be back to the second position from the first position in Figure 11,
Operator also can not just press percussion handle 3 again, avoid the mistakenly hit hair before operation is ready to complete.
And in the state of Figure 11, press button 8 is dialled if pressed down on, dials press button 8 centered on the rotating part 91 of balance weight 9
It is rotated in a first direction movement, drives the first end 61 of pin 6 mobile towards the direction of the second end 32 of percussion handle 3, pin 6
The backstop slot 53 of first end and actuating lever 5 is detached from, and backstop slot 53 no longer limits the rotation of percussion handle 3.Operator unclamps at this time
Percussion handle 3, percussion handle 3 can be back to the second position under the reset response of percussion handle resetting structure, into Figure 12
State.After percussion handle 3 resets, it can unclamp and dial press button 8, pin 6 reenters first state.
As shown in figure 12, for the firing lock of the embodiment be in can firing position when structural schematic diagram.At this point, actuating
Bar 5 is in the 4th position, and the actuator 4 and rack gear 51 of percussion handle 3 cooperate.If percussion handle 3 is held, so that percussion handle
3 rotate from the second position to first position along the direction A, and actuator 4 can push distal end of the actuating lever 5 to stapler by rack gear 51
It is mobile, realize the percussion of stapler.In order to avoid the first end 61 of pin 6 causes excessive resistance to the rotation of percussion handle 3,
A rach slot 511 can be further opened up in the part that the first end 61 of rack gear 51 and pin 6 cooperates, so that the of pin 6
It is moved along rach slot 511 to the distal end of rack gear one end 61.
Firing lock and stapler provided by the utility model have the advantages that
The utility model provides a kind of firing lock for stapler, realizes kiss by the cooperation of pin and actuating lever
The percussion of clutch is insured, and after stapler closure, doctor is to need to adjust the stacked state of the tissue of nail head, such as flattening group
It knits, reaches the state that can be fired.Tissue not up to can cock when, pin be inserted into actuating lever in backstop slot
In, limit the spinning movement of percussion handle, the actuator of percussion handle cannot drive actuating lever and actuating lever can not be pushed to remote
End movement, operator can not hold percussion handle and carry out the percussion of stapler, so that stapler be avoided not carry out operation standard
It is just fired before standby；When being moved by press button along first direction, pin can be suppressed and disengage it from backstop slot without limiting
The spinning movement of percussion handle can allow handle rotate the percussion for driving actuating lever to actuator and carrying out stapler；This
Utility model can be applied not only to linear anastomat, also can be applied to other kinds of stapler.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (13)
1. a kind of firing lock, which is characterized in that be used for stapler, the firing lock includes:
Actuating lever, the actuating lever offer a backstop slot；
Percussion handle, the percussion handle have first position, and the percussion handle is internally provided with a pin, the pin
With first state and the second state, the pin is in the first state and the percussion handle is in the first position
When, the first end of the pin protrudes from the first end of the percussion handle and enters the backstop slot, the percussion handle phase
It is non-rotatable for the actuating lever；
Press button is dialled, when described group of press button is moved along first direction, suppresses the first end of the pin towards the percussion handle
The direction of second end moves, so that the pin enters second state from the first state.
2. firing lock according to claim 1, which is characterized in that further include balance weight, the balance weight includes rotation
Portion and interconnecting piece, the interconnecting piece of the balance weight are connected with described group of press button, and the rotating part of the balance weight is along first direction
When rotation, the press button of dialling is driven to move along first direction.
3. firing lock according to claim 1, which is characterized in that the percussion handle is internally provided with a cotter way,
The pin is set in the cotter way, and pin return unit is provided between the second end of the pin and the cotter way, institute
It states pin and only has the linear motion for limiting direction along the cotter way.
4. firing lock according to claim 3, which is characterized in that the pin return unit is pressure spring, at the pin
When second state, the second end of the pin compresses the pressure spring deformation.
5. firing lock according to claim 1, which is characterized in that be respectively arranged on the pin and described group of press button
The first auxiliary section and the second auxiliary section matched, when described group of press button is moved along first direction, the first auxiliary section pressing
Second auxiliary section, so that the direction of the first end of the pin towards the second end of the percussion handle moves.
6. firing lock according to claim 5, which is characterized in that first auxiliary section and the second auxiliary section are convex
Platform, or, first auxiliary section is boss, second auxiliary section is concave station, or, first auxiliary section is concave station, it is described
Second auxiliary section is boss.
7. firing lock according to claim 5, which is characterized in that first auxiliary section is boss, the boss packet
Stopper section and stage portion are included, second auxiliary section is the concave station matched with the stopper section.
8. firing lock according to claim 5, which is characterized in that described group of press button include and second auxiliary section phase
Splenium is dialled in connection, and described group of splenium is arranged in the shell of the stapler.
9. firing lock according to claim 8, which is characterized in that be provided on the shell of the stapler and dial press button limit
Position part, described group of press button locating part are located at the press button of dialling along the path that first direction moves.
10. firing lock according to claim 1, which is characterized in that the percussion handle also has the second position, described
When pin is in second state, the first end of the pin and the backstop slot are detached from, and the percussion handle can be described
It is rotated between first position and the second position.
11. firing lock according to claim 10, which is characterized in that the proximal end of the backstop slot is provided with described in
The recessed arc groove in the inside of actuating lever, the pin are in the first state, and the percussion handle is from the second
When setting rotation to the first position, the arc groove matches with the first end of the pin and guides the first of the pin
End enters the backstop slot.
12. firing lock according to claim 10, which is characterized in that it is additionally provided with actuator in the percussion handle,
The actuating lever has the third place and the 4th position, and the backstop slot is proximally and distally respectively arranged with rack gear and propulsion
Tooth；
The actuating lever is in the third place, and the percussion handle is rotated from the second position to the first position
When, the actuator is in contact with the propulsion tooth, and the actuating lever is pushed to move into institute to the distal end of the stapler
State the 4th position；
The actuating lever is in the 4th position, and the percussion handle is rotated from the second position to the first position
When, the actuator is in contact with the rack gear, and pushes the actuating lever mobile to the distal end of the stapler.
13. a kind of stapler, which is characterized in that the stapler includes percussion lock described in any one of claims 1 to 12
Structure.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822152931.XU CN209529241U (en) | 2018-12-20 | 2018-12-20 | Firing lock and stapler |
| PCT/CN2019/127100 WO2020125765A1 (en) | 2018-12-20 | 2019-12-20 | Firing mechanism and anastomat |
| US17/311,215 US20220031330A1 (en) | 2018-12-20 | 2019-12-20 | Firing mechanism and stapler |
| JP2021535931A JP7441842B2 (en) | 2018-12-20 | 2019-12-20 | trigger mechanism and stapler |
| CA3121953A CA3121953A1 (en) | 2018-12-20 | 2019-12-20 | Firing mechanism and stapler |
| BR112021010637-5A BR112021010637A2 (en) | 2018-12-20 | 2019-12-20 | Trigger Mechanism and Stapler |
| KR1020217020013A KR20210095928A (en) | 2018-12-20 | 2019-12-20 | Launcher and stapler |
| AU2019410648A AU2019410648B2 (en) | 2018-12-20 | 2019-12-20 | Firing mechanism and anastomat |
| EP19900141.3A EP3900646A4 (en) | 2018-12-20 | 2019-12-20 | Firing mechanism and anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822152931.XU CN209529241U (en) | 2018-12-20 | 2018-12-20 | Firing lock and stapler |
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| CN209529241U true CN209529241U (en) | 2019-10-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125765A1 (en) * | 2018-12-20 | 2020-06-25 | 天臣国际医疗科技股份有限公司 | Firing mechanism and anastomat |
| CN113331898A (en) * | 2021-07-05 | 2021-09-03 | 苏州优脉瑞医疗科技有限公司 | Anastomat with wear-resisting type trigger mechanism |
-
2018
- 2018-12-20 CN CN201822152931.XU patent/CN209529241U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125765A1 (en) * | 2018-12-20 | 2020-06-25 | 天臣国际医疗科技股份有限公司 | Firing mechanism and anastomat |
| CN113331898A (en) * | 2021-07-05 | 2021-09-03 | 苏州优脉瑞医疗科技有限公司 | Anastomat with wear-resisting type trigger mechanism |
| CN113331898B (en) * | 2021-07-05 | 2022-08-26 | 苏州优脉瑞医疗科技有限公司 | Anastomat with wear-resisting type trigger mechanism |
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