CN104939885A - Surgical instrument and safety device thereof - Google Patents
Surgical instrument and safety device thereof Download PDFInfo
- Publication number
- CN104939885A CN104939885A CN201410129564.5A CN201410129564A CN104939885A CN 104939885 A CN104939885 A CN 104939885A CN 201410129564 A CN201410129564 A CN 201410129564A CN 104939885 A CN104939885 A CN 104939885A
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- China
- Prior art keywords
- safety
- discharge cock
- safety buckle
- buckle
- firing handle
- Prior art date
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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 invention relates to the technical field of medical instruments and discloses a surgical instrument and a safety device thereof. The safety device comprises a safety switch, a safety buckle, a first elastic resetting member and a second elastic resetting member, the safety switch is mounted on a handle body in a pivoted manner, the first elastic resetting member is mounted between the safety switch and the handle body, the safety switch when being in an off position locks a triggering handle, the safety buckle is mounted on the handle body in a pivoted manner, and the second elastic resetting member is mounted between the safety buckle and the handle body. When the safety switch is in an on position, the safety buckle can lock the safety switch, the triggering handle during triggering action drives the safety buckle to rotate around a pivoting shaft of the safety buckle and release locking of the safety switch by the safety buckle. The safety device can automatically reset, so that secondary triggering accidents caused by the triggering handle are prevented, and safety when the surgical instrument is used for surgery is improved.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly a kind of surgical operating instrument safety and surgical operating instrument.
Background technology
Circular stapler is a kind of surgical operating instrument of suture operation for the lumen organizations such as digestive tract operating end-to-end, end offside, side offside, little to the operation wound of patient in operation process, good operation effect, can greatly reduce the misery brought to surgical patient.
Safety are provided with to prevent the generation of unexpected percussion in stiching instrument operating process in circular stapler.But in prior art, the safety that stiching instrument adopts mostly are independent operation, need manually to reset to safety, prevent secondary from pulling the trigger after shot completes; But, in stiching instrument use procedure, may exist after shot and forget safety are resetted, and then the danger causing secondary to pull the trigger.
Therefore, there is the risk of unexpected percussion in surgical operating instrument of the prior art, operation safety is lower.
Summary of the invention
The invention provides a kind of safety and surgical operating instrument of surgical operating instrument, these surgical operating instrument safety can automatically reset to prevent the accident of firing handle from pulling the trigger, and improve operation safety.
For achieving the above object, the invention provides following technical scheme:
Safety for surgical operating instrument, comprise discharge cock, Safety buckle, the first elastic reset part and the second elastic reset part, wherein:
Described discharge cock is installed in the handle body of described surgical operating instrument, and described first elastic reset part is installed between described discharge cock and described handle body; The firing handle of described surgical operating instrument locks when being in off-position by described discharge cock;
Described Safety buckle is installed in described handle body, and described second elastic reset part is installed between described Safety buckle and described handle body; When described discharge cock is in out, described discharge cock locks by described Safety buckle under described second elastic reset part effect, drives described Safety buckle around its pivot axis, with the locking of arming buckle to discharge cock when described firing handle carries out firing action.
The safety of surgical operating instrument provided by the invention, when the firing handle of surgical operating instrument does not need to carry out firing action, discharge cock is in off-position, the outer end of discharge cock coordinates with firing handle and the firing handle of surgical operating instrument is locked, and can prevent firing handle from carrying out firing action; Need to drive firing handle when carrying out firing action, first discharge cock is adjusted to out position, discharge cock is when to be adjusted to out, and discharge cock is locked in out position by Safety buckle under the reseat pressure effect of the second elastic reset part; Then operate firing handle and carry out firing action to realize the firing action of surgical operating instrument; Firing handle drives Safety buckle to overcome the second elastic reset part to the reset force of Safety buckle when carrying out firing action, make Safety buckle around its pivot axis, and then arming buckle is to the locking of discharge cock, when firing handle completes firing action reset, discharge cock rotates to off-position direction around its pivotal axis under the effect of the first elastic reset part reset force, and Safety buckle resets under the effect of the second elastic reset part; When discharge cock automatically resets to off-position under the effect of the first elastic reset part, again firing handle is locked, prevent the accident that firing handle generation secondary is pulled the trigger.
So in above-mentioned surgical operating instrument, after firing handle percussion, safety can automatically reset, and then the accident that can prevent firing handle generation secondary from pulling the trigger, and improve safety during surgical operating instrument operation.
Preferably, described first elastic reset part is be sheathed on the torsion spring between described discharge cock and described handle body on pivotal axis.
Preferably, described Safety buckle is provided with:
With sticking department during described discharge cock lock fit, described discharge cock being locked in out position;
Described firing handle coordinates to make described Safety buckle around its pivot axis, to remove the drive division of described sticking department to the locking of described discharge cock with described firing handle when carrying out firing action.
Preferably, one end of described Safety buckle is installed in described handle body by pivotal axis, and described drive division is formed at the other end of described Safety buckle, and described sticking department is formed at the middle part of described Safety buckle.
Preferably, described second elastic reset part is be sheathed on the torsion spring between described Safety buckle and described handle body on pivotal axis.
Preferably, the inner of described discharge cock is for having the cam structure of lock face, and the sticking department that described Safety buckle has is the convex locking projections to described discharge cock; Under described second elastic reset part effect, when the lock face of described locking projections and described cam structure offsets, described discharge cock is locked in out position by described Safety buckle.
Preferably, the outer end of described discharge cock has locking bayonet socket; When described discharge cock is in off-position, the locking mechanism that locking bayonet socket and the described firing handle of described discharge cock have engages, described firing handle to be locked.
Preferably, described Safety buckle is provided with the projection of the convex drive rod to surgical operating instrument, described projection that and if only and if the opening that described drive rod is arranged towards described Safety buckle side draw-in groove just pair time, described projection can stretch in described draw-in groove to make described discharge cock be movable to out position.
On the other hand, present invention also offers a kind of surgical operating instrument, comprising:
Handle body;
Be installed in the firing handle of described handle body;
The drive rod of end effector closure state is regulated when being installed on described handle body, action;
The end effector be in transmission connection with described drive rod; Any one safety provided in technique scheme are also provided.
Preferably, described firing handle has the projection of the convex side to described safety, and during described firing handle percussion, described projection drives described Safety buckle around its pivot axis, with the locking of Safety buckle in arming device to discharge cock.
Preferably, when the described discharge cock of described safety has locking bayonet socket, described firing handle has locking mechanism; When described discharge cock is in off-position, the locking bayonet socket of described discharge cock engages with the locking mechanism of described firing handle, described firing handle to be locked.
Preferably, when in described safety, described Safety buckle be provided with convex to described drive rod protruding time, the desired location of described drive rod is provided with the draw-in groove of opening towards described Safety buckle side, described projection that and if only and if the opening that described drive rod is arranged towards described Safety buckle side draw-in groove just pair time, described projection can stretch in described draw-in groove to make described discharge cock be movable to out position.
Preferably, described surgical operating instrument is circular stapler.
Preferably, the nail anvil that described end effector comprises nail kit and is in transmission connection with described drive rod, when described drive rod drive described nail anvil action to be closed into until cock between described nail anvil and described nail kit time, described draw-in groove and described projection just right.
Accompanying drawing explanation
A kind of structural representation of the surgical operating instrument safety that Fig. 1 provides for the embodiment of the present invention;
Structural representation when discharge cock is in off-position in the safety of the surgical operating instrument that Fig. 2 provides for the embodiment of the present invention;
In the safety of the surgical operating instrument that Fig. 3 provides for the embodiment of the present invention discharge cock be in out position and firing handle is not pulled the trigger time structural representation;
Structural representation when not resetting after firing handle percussion in the surgical operating instrument that Fig. 4 provides for the embodiment of the present invention;
View in the surgical operating instrument that Fig. 5 provides for the embodiment of the present invention during draw-in groove para-position of the projection of the Safety buckle of safety and drive rod;
The structural representation of Safety buckle in the safety that Fig. 6 provides for the embodiment of the present invention;
The structural representation of discharge cock in the safety that Fig. 7 provides for the embodiment of the present invention;
Structural representation when discharge cock is in off-position and firing handle is locked in the safety that Fig. 8 provides for the embodiment of the present invention.
Reference numeral:
1, discharge cock 2, Safety buckle 3, handle body
4, drive rod 5, firing handle 11, pivotal axis
12, first elastic reset part 13, locking bayonet socket 21, sticking department
22, drive division 23, pivotal axis 24, protruding
25 second elastic reset parts 41, draw-in groove 51, pivotal axis
52, projection 53, locking mechanism
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of safety of surgical operating instrument and a kind of surgical operating instrument with above-mentioned safety, for ease of being described the work process of safety and operation principle, to the related notion introduced in the process of safety description surgical operating instrument in the present embodiment, therefore, in literary composition, the operation principle of the no longer independent surgical operating instrument to having above-mentioned safety is described.
Incorporated by reference to Fig. 1 with reference to figure 2, Fig. 3 and Fig. 4, wherein, a kind of structural representation of surgical operating instrument safety of providing for the embodiment of the present invention of Fig. 1; Structural representation when discharge cock is in off-position in the safety of the surgical operating instrument that Fig. 2 provides for the embodiment of the present invention; In the safety of the surgical operating instrument that Fig. 3 provides for the embodiment of the present invention discharge cock be in out position and firing handle is not pulled the trigger time structural representation; Structural representation when not resetting after firing handle percussion in the surgical operating instrument that Fig. 4 provides for the embodiment of the present invention.
As shown in Fig. 2 Fig. 3 and Fig. 4, in a kind of specific embodiment, the surgical operating instrument that the embodiment of the present invention provides comprises handle body 3, be installed in the firing handle 5 of handle body 3, be installed on handle body 3, for regulating the drive rod 4 of end effector opening and closing state, the end effector be in transmission connection with drive rod 4, and the safety be installed in handle body 3, wherein, firing handle 5 locks when being in off-position by the discharge cock 1 of these safety, prevent firing handle 5 from carrying out firing action, when discharge cock 1 is in out, firing handle 5 can carry out firing action, and firing handle 5 is when resetting after carrying out firing action, discharge cock 1 automatically resets to off-position, again firing handle 5 is locked, can prevent firing handle 5 from carrying out the accident of secondary percussion, improve safety during surgical operating instrument operation.
For ease of describing, in the discharge cock of setting safety, one end that discharge cock 1 coordinates with firing handle 5 is outer end, and the other end is inner, and the off-position of discharge cock 1 refers to that firing handle 5 is locked the station residing for timing safety switch 1 by the outer end of discharge cock 1; The position of opening of discharge cock 1 refers to that discharge cock 1 is removed the locking of firing handle 5 and discharge cock 1 is locked the station residing for timing safety switch 1 by Safety buckle 2.
As depicted in figs. 1 and 2, the safety of the surgical operating instrument that the embodiment of the present invention provides comprise discharge cock 1, Safety buckle 2, first elastic reset part 12 and the second elastic reset part 25, wherein:
Handle body 3, the first elastic reset part 12 that discharge cock 1 is installed in surgical operating instrument by pivotal axis 11 is installed between discharge cock 1 and handle body 3, and makes discharge cock 1 turn to the reset force of off-position around its pivotal axis 11 for discharge cock 1 provides; The firing handle 5 of surgical operating instrument locks when being in off-position under the first elastic reset part 12 acts on by discharge cock 1;
Safety buckle 2 is installed in handle body 3 by pivotal axis 23, second elastic reset part 25 is installed between Safety buckle 2 and handle body, when discharge cock 1 is in out, discharge cock 1 can lock by Safety buckle 2 under the reset force effect of the second elastic reset part 25, Safety buckle 2 is driven to rotate around pivotal axis 23 when firing handle 5 carries out firing action, the locking of arming buckle 2 pairs of discharge cocks 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 during discharge cock 1 lock fit, discharge cock 1 being locked in out position;
Firing handle 5 coordinates Safety buckle 2 to be rotated, with the drive division 22 of the locking of the 21 pairs of discharge cocks 1 in the portion of unlocking around its pivotal axis 23 with firing handle 5 when carrying out firing action.
More preferably, in the Safety buckle 2 of above-mentioned safety, one end of Safety buckle 2 is installed in handle body by pivotal axis 23, and drive division 22 is formed at the other end of Safety buckle 2, and sticking department 21 is formed at the middle part of Safety buckle 2.Distant due between drive division 22 and pivotal axis 23, firing handle 5 drives Safety buckle 2 less to the power of drive division 22 when pivotal axis 23 rotates, is convenient to firing handle 5 and carries out firing action; Distance between sticking department 21 and pivotal axis 23 is relative to the close together between drive division 22 and pivotal axis 23, therefore, for equalising torque when guarantee insurance buckle 2 pairs of discharge cocks 1 lock, latching force between sticking department 21 and discharge cock 1 is comparatively large, improves stability when Safety buckle 2 pairs of discharge cocks 1 lock.
The safety of surgical operating instrument provided by the invention, orientation as shown in Figure 2, when firing handle 5 does not need to carry out firing action, discharge cock 1 is in off-position, the outer end of discharge cock 1 coordinates firing handle 5 to be locked with firing handle 5, can prevent firing handle 5 from carrying out firing action, orientation as shown in Figure 3, when needing to drive firing handle 5 to pull the trigger, first discharge cock 1 is rotated counterclockwise around pivotal axis 11 and is adjusted to out position, and discharge cock 1 is locked by sticking department 21 by Safety buckle 2 under the reseat pressure effect of the second elastic reset part 25, as shown in Figure 4, then operation firing handle 5 is rotated counterclockwise around its pivotal axis 51 and carries out firing action to realize the firing action of surgical operating instrument, when firing handle 5 carries out firing action, the drive division 22 that firing handle 5 is Safety buckle 2 provides driving force to overcome the reset force of the second elastic reset part 25 pairs of Safety buckles 2, firing handle 5 drives Safety buckle 2 to turn clockwise around its pivotal axis 23, make to depart between the sticking department 21 of Safety buckle 2 and discharge cock 1, with the locking of sticking department 21 pairs of discharge cocks 1 of arming buckle 2, thus discharge cock 1 to be turned clockwise certain angle around its pivotal axis 11 under the effect of the first elastic reset part 12 reset force, and when firing handle 5 completes firing action reset, discharge cock 1 continues to turn clockwise around pivotal axis 11 under the effect of the first elastic reset part 12, until discharge cock 1 rotates to off-position, discharge cock 1 is locked firing handle 5 again, prevent firing handle 5 from the accident of secondary percussion occurring, meanwhile, in firing handle 5 reseting procedure, Safety buckle 2 is rotated counterclockwise around pivotal axis 23 under the effect of the second elastic reset part 25, until Safety buckle 2 is reset to its initial position.
So the safety of above-mentioned surgical operating instrument can automatically reset, with the accident preventing the firing handle 5 of surgical operating instrument from secondary percussion occurring, improve safety during surgical operating instrument operation.
As shown in Figure 1, in a kind of preferred implementation, the first elastic reset part 12 between discharge cock 1 and handle body 3 is for being sheathed on the torsion spring between discharge cock 1 and handle body 3 on pivotal axis 11.
Continue with reference to figure 1, in a kind of preferred implementation, the second elastic reset part 25 between Safety buckle 2 and handle body 3 is for being sheathed on the torsion spring between Safety buckle 2 and handle body 3 on pivotal axis 23.
Torsion spring Stability Analysis of Structures, and the reset force that torsion spring provides to discharge cock 1 and Safety buckle 2 is stablized, and improves the reliability of safety action.
As shown in Fig. 2, Fig. 3 and Fig. 4, in the surgical operating instrument that the embodiment of the present invention provides, when the drive division 22 that the Safety buckle 2 of described safety has is for bulge-structure, firing handle 5 has the convex projection 52 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, thus drives Safety buckle 2 to rotate around its pivotal axis 23, and then the locking of arming buckle 2 pairs of discharge cocks 1.
Please refer to Fig. 3, Fig. 6 and Fig. 7; The structural representation of Safety buckle in the safety that Fig. 6 provides for the embodiment of the present invention, the structural representation of discharge cock in the safety that Fig. 7 provides for the embodiment of the present invention.
In a kind of embodiment, as shown in Figure 7, the inner of discharge cock 1 is for having the cam structure of lock face 14, and as shown in Figure 6, Safety buckle 2 has the convex locking projections to discharge cock 1 to form the sticking department 21 of Safety buckle 2; As shown in Figure 3, under the second elastic reset part 25 reset force effect, when offseting between the locking projections and the lock face 14 of cam structure of Safety buckle 2, discharge cock 1 is locked in out position by Safety buckle 2.
Orientation as shown in Figures 2 and 3, in the safety of said structure, as shown in Figure 2, when discharge cock 1 is in off-position, the locking projections of sticking department 21 and the surface of the inner cam structure of discharge cock 1 that form Safety buckle 2 offset, when discharge cock 1 is counterclockwise to when opening position rotation around pivotal axis 11, the inner of discharge cock 1 drives Safety buckle 2 to rotate along pin around pivotal axis 23; As shown in Figure 3, when discharge cock 1 turns to out, the locking of Safety buckle 2 is protruding to offset with the lock face 14 of discharge cock 1 cam structure, and then discharge cock 1 is locked in out position.
When firing handle 5 carries out firing action, firing handle 5 acts on the drive division 22 of Safety buckle 2, thus drive Safety buckle 2 to turn clockwise around pivotal axis 23, and then make the sticking department 21 of Safety buckle 2 depart from the lock face 14 of discharge cock 1 cam structure, make Safety buckle 2 remove locking to discharge cock 1.When firing handle 5 resets, Safety buckle 2 is rotated counterclockwise around pivotal axis 23, until Safety buckle 2 is reset to initial position under the second elastic reset part 25 reset force effect.
Please refer to Fig. 7 and Fig. 8, wherein, in the safety that Fig. 8 provides for the embodiment of the present invention, discharge cock is in structural representation when off-position and firing handle lock.
In a kind of preferred implementation, as shown in Figure 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 engages with the locking mechanism of firing handle 5, firing handle 5 to be locked.
Please refer to Fig. 5 and Fig. 6, wherein, the view when projection that in the surgical operating instrument that Fig. 5 provides for the embodiment of the present invention, the Safety buckle of safety has and the draw-in groove para-position that drive rod has.
In a kind of preferred implementation, Safety buckle 2 is provided with the projection 24 of the convex drive rod 4 to surgical operating instrument, in wild card operating theater instruments, drive rod 4 is provided with the draw-in groove 41 of opening towards Safety buckle 2 side at desired location, if and only if protruding 24 draw-in grooves 41 arranged with drive rod 4 just pair time, protruding 24 can stretch in draw-in groove 41, are movable to out position to make discharge cock 1.
When there is no para-position between protruding 24 and the draw-in groove 41 of drive rod 4, Safety buckle 2 under the driving of discharge cock 1 when pivotal axis 23 turns to certain position, can interfere between the projection 24 of Safety buckle 2 and drive rod 4, Safety buckle 2 cannot be rotated further, and then making discharge cock 1 also cannot continue to open position rotation to it, discharge cock 1 cannot be locked in out on position.Drive rod 4 arranges the position of draw-in groove 41, make to only have drive rod 4 to move into place, drive that the end effector in surgical operating instrument is closed to put in place and be in when cock, para-position is realized between the draw-in groove 41 that projection 24 and drive rod 4 just can be made to arrange, discharge cock 1 could rotate to opening position around its pivotal axis 11, and by Safety buckle 2, discharge cock 1 is locked in out position; When discharge cock 1 cannot be locked in its to open time, illustrate that the end effector of surgical operating instrument is not closed to put in place, the position that need continue through adjustment drive rod 4 puts in place to make end effector close, until realize para-position between the projection 24 of Safety buckle 2 and the draw-in groove 41 of drive rod 4, discharge cock 1 is made to can be locked in opening position; The safety of said structure further increase safety when surgical operating instrument is performed the operation.
Therefore, the safety of said structure can to guarantee in surgical operating instrument that the end effector Shi Caineng that tissue closure clamping put in place opens safety, and then firing handle 5 just can carry out firing action, further increase safety during surgical operating instrument operation.
In a kind of preferred implementation, the surgical operating instrument that the embodiment of the present invention provides is preferably circular stapler.
Further, the nail anvil that the end effector of surgical operating instrument comprises nail kit and is in transmission connection with drive rod 4, is closed into when firing position between nail anvil and nail kit, and 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 change and modification to the embodiment of the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (14)
1. safety for surgical operating instrument, is characterized in that, comprise discharge cock, Safety buckle, the first elastic reset part and the second elastic reset part, wherein:
Described discharge cock is installed in the handle body of described surgical operating instrument, and described first elastic reset part is installed between described discharge cock and described handle body; The firing handle of described surgical operating instrument locks when being in off-position by described discharge cock;
Described Safety buckle is installed in described handle body, and described second elastic reset part is installed between described Safety buckle and described handle body; When described discharge cock is in out, described discharge cock can lock by described Safety buckle under described second elastic reset part effect, drives described Safety buckle around its pivot axis, with the locking of arming buckle to discharge cock when described firing handle carries out firing action.
2. safety according to claim 1, is characterized in that, described first elastic reset part is be sheathed on the torsion spring between described discharge cock and described handle body on pivotal axis.
3. safety according to claim 1, is characterized in that, described Safety buckle is provided with:
With sticking department during described discharge cock lock fit, described discharge cock being locked in out position;
Described firing handle coordinates to make described Safety buckle around its pivot axis, to remove the drive division of described sticking department to the locking of described discharge cock with described firing handle when carrying out firing action.
4. safety according to claim 3, it is characterized in that, one end of described Safety buckle is installed in described handle body by pivotal axis, and described drive division is formed at the other end of described Safety buckle, and described sticking department is formed at the middle part of described Safety buckle.
5. safety according to claim 4, is characterized in that, described second elastic reset part is be sheathed on the torsion spring between described Safety buckle and described handle body on pivotal axis.
6. safety according to claim 4, is characterized in that, the inner of described discharge cock is for having the cam structure of lock face, and the sticking department that described Safety buckle has is the convex locking projections to described discharge cock; Under described second elastic reset part effect, when the lock face of described locking projections and described cam structure offsets, described discharge cock is locked in out position by described Safety buckle.
7. safety according to claims 1 to 6, is characterized in that, the outer end of described discharge cock has locking bayonet socket; When described discharge cock is in off-position, the locking mechanism that locking bayonet socket and the described firing handle of described discharge cock have engages, described firing handle to be locked.
8. the safety according to any one of claim 1 ~ 7, it is characterized in that, described Safety buckle is provided with the projection of the convex drive rod to surgical operating instrument, the opening that described projection that and if only and if described drive rod are arranged towards described Safety buckle side draw-in groove just pair time, described projection can stretch in described draw-in groove to make described discharge cock be movable to out position.
9. a surgical operating instrument, comprising:
Handle body;
Be installed in the firing handle of described handle body;
Be installed on described handle body, for regulating the drive rod of end effector opening and closing state;
The end effector be in transmission connection with described drive rod; It is characterized in that, also comprise the safety as described in any one of claim 1 ~ 8.
10. surgical operating instrument according to claim 9, it is characterized in that, described firing handle has the convex projection to described safety side, during described firing handle percussion, described projection drives described Safety buckle around its pivot axis, with the locking of Safety buckle in arming device to discharge cock.
11. surgical operating instruments according to claim 10, is characterized in that, when the described discharge cock of described safety has locking bayonet socket, described firing handle has locking mechanism; When described discharge cock is in off-position, the locking bayonet socket of described discharge cock engages with the locking mechanism of described firing handle, described firing handle to be locked.
12. surgical operating instruments according to claim 9, it is characterized in that, when in described safety, described Safety buckle be provided with convex to described drive rod protruding time, the desired location of described drive rod is provided with the draw-in groove of opening towards described Safety buckle side, the opening that described projection that and if only and if described drive rod are arranged towards described Safety buckle side draw-in groove just pair time, described projection can stretch in described draw-in groove to make described discharge cock be movable to out position.
13. surgical operating instruments according to claim 12, is characterized in that, described surgical operating instrument is circular stapler.
14. surgical operating instruments according to claim 13, it is characterized in that, the nail anvil that described end effector comprises nail kit and is in transmission connection with described drive rod, when described drive rod drive described nail anvil action to be closed into until cock between described nail anvil and described nail kit time, described draw-in groove and described projection just right.
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| 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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| Application Number | Priority Date | Filing Date | Title |
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| 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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| CN104939885A true CN104939885A (en) | 2015-09-30 |
| CN104939885B CN104939885B (en) | 2017-04-05 |
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| CN106073841A (en) * | 2016-07-07 | 2016-11-09 | 江苏风和医疗器材有限公司 | Surgical instruments |
| CN107795552A (en) * | 2016-09-07 | 2018-03-13 | 通快医疗系统两合公司 | Attachment means and the method for unlocking attachment means |
| CN110811745A (en) * | 2018-08-10 | 2020-02-21 | 柯惠Lp公司 | Feedback mechanism for handle assembly |
| CN111801126A (en) * | 2018-03-29 | 2020-10-20 | 诺信公司 | Lid and cartridge assembly |
| CN114098871A (en) * | 2021-11-26 | 2022-03-01 | 赛诺微医疗科技（浙江）有限公司 | Percussion safety structure, anastomat and medical equipment |
| US20230157694A1 (en) * | 2020-04-28 | 2023-05-25 | Covidien Lp | Surgical stapling apparatus with tissue gap lock |
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| CN106073841A (en) * | 2016-07-07 | 2016-11-09 | 江苏风和医疗器材有限公司 | Surgical instruments |
| CN106073841B (en) * | 2016-07-07 | 2019-05-31 | 江苏风和医疗器材股份有限公司 | Surgical instruments |
| CN107795552A (en) * | 2016-09-07 | 2018-03-13 | 通快医疗系统两合公司 | Attachment means and the method for unlocking attachment means |
| CN107795552B (en) * | 2016-09-07 | 2021-08-27 | 通快医疗系统两合公司 | Connecting device and method for unlocking a connecting device |
| CN111801126A (en) * | 2018-03-29 | 2020-10-20 | 诺信公司 | Lid and cartridge assembly |
| CN110811745A (en) * | 2018-08-10 | 2020-02-21 | 柯惠Lp公司 | Feedback mechanism for handle assembly |
| US20230157694A1 (en) * | 2020-04-28 | 2023-05-25 | Covidien Lp | Surgical stapling apparatus with tissue gap lock |
| CN114098871A (en) * | 2021-11-26 | 2022-03-01 | 赛诺微医疗科技（浙江）有限公司 | Percussion safety structure, anastomat and medical equipment |
| 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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| Publication number | Publication date |
|---|---|
| CN104939885B (en) | 2017-04-05 |
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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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