CN106725680B - Shaft member and surgical instruments for surgical instruments - Google Patents
Shaft member and surgical instruments for surgical instruments Download PDFInfo
- Publication number
- CN106725680B CN106725680B CN201611254838.9A CN201611254838A CN106725680B CN 106725680 B CN106725680 B CN 106725680B CN 201611254838 A CN201611254838 A CN 201611254838A CN 106725680 B CN106725680 B CN 106725680B
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- cam
- surgical instruments
- shaft member
- mandrel
- limiting slot
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of surgical instruments and for the shaft member of the surgical instruments, including the mandrel longitudinally extended and the trigger shaft for being connected to the mandrel, the shaft member further includes the position-limit mechanism perpendicular to the longitudinal axis setting of mandrel, the position-limit mechanism includes the limiting slot being set on the mandrel, and the locating part with limiting slot cooperation, the locating part includes at least the first cam, first cam has the first camshaft, and the stopper section of the limiting slot can be rotated hence into or is detached from around first camshaft, in the initial state, the stopper section enters the limiting slot and the stopper section is limited around the movement of first camshaft rotation.The stopper section of first cam enters the limiting slot in the initial state, and limits the rotation of first cam and avoid mistakenly hit from sending out to realize locking mandrel to prevent the stopper section to be detached from the limiting slot, reduces operation risk.
Description
Technical field
The present invention relates to a kind of surgical instruments and for the shaft member of the surgical instruments.
Background technique
Surgical instruments is operation tool in medical operating, and it is medically to make that suture instruments, which are one of surgical instruments,
The equipment for substituting manual suture, main operational principle are to carry out detachment to tissue using titanium nail or coincide, and are similar to stapler
Machine.According to scope of application difference, skin stapler, alimentary canal (esophagus, stomach and intestine etc.) circular staplers, rectum kiss can be divided mainly into
Clutch, circular hemorrhoid anastomat, anastomat for circumcision, blood vessel anastomat, hernia stapler, lung stapler etc..Stitching unstrument
Tool includes Handleset, the shaft member connecting with handle portion and the end effector being fixed on shaft member, which holds
The elongated nip component closed on row device configured with a pair of matched, jaw member may be adapted to inserted into the patient to suture and/or cut
Tissue is cut, jaw building is sustainable to accommodate nail bin.Position fixing handle and firing handle are provided on Handleset, firing handle passes through
Shaft member is connect with end effector so that jaw member moves.Currently, when existing suture instruments use, often
Operator can occur and accidentally pull firing handle, thus the problem of mistakenly hit hair occurs.
Summary of the invention
The present invention is intended to provide one kind prevents mistakenly hit from sending out, the shaft member for surgical instruments of operation risk is reduced.
Technical scheme is as follows: a kind of shaft member for surgical instruments, including the mandrel that longitudinally extends and
It is connected to the trigger shaft of the mandrel, the shaft member further includes the position-limit mechanism perpendicular to the longitudinal axis setting of mandrel,
The position-limit mechanism liftedly limits the mandrel to the direction movement for pushing the trigger shaft to go out knife, the position-limit mechanism packet
Include the limiting slot being set on the mandrel, and the locating part with limiting slot cooperation, the locating part includes at least the
One cam, first cam have the first camshaft and can rotate hence into or be detached from around first camshaft
The stopper section of the limiting slot, in the initial state, the stopper section rotate into the limiting slot with first direction to institute
It states mandrel to be limited to the movement in the direction for pushing the trigger shaft to go out knife, the position-limit mechanism further includes the second locating part, institute
It states the second locating part and liftedly compresses first cam, rotated with limiting the stopper section with second direction, described second
Direction is opposite to the first direction.
Further, the locating part further includes elastic component, and the elastic component keeps first cam with first party
To the trend for supporting the limiting slot.
Further, the elastic component is torsional spring, and the torsion spring set is set on first camshaft, and one end supports described
First cam, the other end support the installation shell of the first camshaft.
Further, the limiting slot has perpendicular to the confined planes of the longitudinal axis and for stopper section rotation
To be detached from the transition face of the limiting slot, the transition face connects the outer surface of the confined planes and mandrel.
Further, the confined planes go out the direction of knife towards the trigger shaft.
Further, second locating part is the second cam；Alternatively, second locating part is circular wheel.
Further, second cam is provided with support division, and first cam is equipped with matches with the support division phase shape
Support slot；Alternatively, first cam is provided with support division, second cam is equipped with and supports with what the support division phase shape was matched
Hold slot.
Further, second cam further includes the second camshaft and operation portion, and the operation portion can make by external force
The support division supports slot described in being detached from around second cam axle.
Further, second cam is eccentric wheel, and the operation portion is arranged far from second camshaft.
Further, the shaft member further includes the elongated shaft of the slidably receivable mandrel and the trigger shaft,
And be set in the closed tube outside the elongated shaft, the closed tube be equipped be open so that the operation portion be exposed to it is described
The outside of closed tube.
The present invention also provides a kind of surgical instruments, including Handleset and end effector, the surgical instruments is also wrapped
The foregoing shaft member for being used for surgical instruments is included, the shaft member longitudinally extends from the Handleset, and connects
The end effector.
After above-mentioned technical proposal is implemented, the invention has the benefit that the shaft member for surgical instruments of the invention
And the surgical instruments of the shaft member is installed by setting up limiting slot and first in the side perpendicular to mandrel longitudinal axis
Cam makes the stopper section of the first cam enter the limiting slot in the initial state, and limits the rotation of first cam
It prevents trigger shaft from going out knife to realize locking mandrel to prevent the stopper section to be detached from the limiting slot, is sent out to avoid mistakenly hit,
Reduce operation risk.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of surgical instruments according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the shaft member of surgical instruments shown in FIG. 1；
Fig. 3 is the exploded view of shaft member shown in Fig. 2；
Fig. 4 is the structural schematic diagram of the mandrel of shaft member shown in Fig. 3；
Fig. 5 is the enlarged diagram of position-limit mechanism in shaft member shown in Fig. 3；
Fig. 6 is the schematic diagram of locating part in position-limit mechanism shown in fig. 5；
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axis
To ", " radial direction ", " circumferential direction ", the orientation or positional relationship of the instructions such as " reciprocal " be to be based on the orientation or positional relationship shown in the drawings.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or imply
Indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or impliedly wrap
Include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless
Separately there is clearly specific restriction.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
Referring to Figure 1 and Fig. 2, surgical instruments shown in a preferred embodiment of the present invention includes Handleset 10, from handle
Shaft member 20 that component 10 longitudinally extends and the end effector 30 for being set to 20 one end of shaft member.For the convenience of description,
The side that the present embodiment will be close to Handleset 10 is defined as nearside, and far from Handleset 10, close to end effector 30
Side is defined as distal side, and each technical characteristic has opposite proximal end and distal end portion.Direction towards Handleset 10 be it is close,
Direction towards end effector 30 is remote.In addition, being defined as indulging by the extending direction of Handleset 10 to end effector 30
To the axis of shaft member 20 is defined as longitudinal axis.Lower clamp plate component (not shown) is provided in Handleset 10.It holds end
Row device 30 includes the insertion end 31 and fixing end 32 being oppositely arranged, and insertion end 31 is that end effector 30 initially enters during operation
By the intracorporal one end of operator, fixing end 32 is connect with shaft member 20.Handleset 10, end effector 30 and Handleset
10 is same as the prior art with the connection type of shaft member 20, shaft member 20 and the connection type of end effector 30, therefore
It repeats no more.Surgical instruments is specially suture instruments, such as stapler.
Fig. 2 to Fig. 4 is referred to, shaft member 20 includes elongated shaft 21, and elongated shaft 21 includes being defined in channel therein, should
Channel can be slideably received within the mandrel 23 longitudinally extended and the trigger shaft 25 for being connected to mandrel 23, and mandrel 23 is connected to elongated
The proximal end of axis 21,25 one end of trigger shaft are connected to mandrel 23, and the other end is connected to the proximal end of end effector 30；Shaft group
Part 20 further includes the closed tube 22 being set in outside elongated shaft 21.
It refers to Fig. 4 and Fig. 5 and combines Fig. 3, shaft member 20 includes the limit perpendicular to the longitudinal axis setting of mandrel 23
Position mechanism, it is mobile to the direction for pushing trigger shaft 25 to go out knife which liftedly limits mandrel 23.Position-limit mechanism includes
The limiting slot 291 being set on mandrel and the locating part cooperated with limiting slot 291, locating part include at least the first cam
292, the first cam 292 has the first camshaft 292d and can rotate hence into or be detached from around the first camshaft 292d
The stopper section 292a of limiting slot 291.Wherein, the shell of elongated shaft 21 is equipped with the mounting hole of the first camshaft 292d of reception (not
Diagram), the first cam 292 is rotatably connected on elongated shaft 21.In the initial state, stopper section 292a is revolved with first direction
It rotates into limiting slot 291 to which the mandrel 23 is limited to the movement in the direction for pushing the trigger shaft 25 to go out knife.Locating part
It further include elastic component (not shown), elastic component makes the first cam 292 keep the trend for supporting limiting slot 291 with first direction.Bullet
Property part is specially torsional spring, and torsional spring is set on the first camshaft 292d, and one end supports the first cam 292, and the other end supports first
The shell of the elongated shaft 21 of camshaft 292d.
Continuing with referring to fig. 4, limiting slot 291 has perpendicular to the confined planes 291a of the longitudinal axis of mandrel 23 and for only
To be detached from the transition face of the limiting slot 291, transition face connects the outer of the confined planes 291a and mandrel 23 for stopper 292a rotation
Surface, in the present embodiment, transition face are inclined-plane 291b.In the present embodiment, limiting slot 291 is the appearance for being formed in mandrel 23
Notch on face.In other embodiments, it may be provided with convex block on mandrel, convex block and mandrel, which enclose, to be set to form limiting slot；Alternatively,
Convex block is provided on mandrel, limiting slot is the groove being formed on convex block.
Refer to Fig. 3 to Fig. 5, for convenience of description, the proximal end of shaft member 20 be considered as left, shaft member 20 it is remote
Side is considered as right, then it is "lower" below attached drawing that it is "upper" above attached drawing from left to right that trigger shaft 25, which goes out the direction of knife to be,
His direction is as reference.Confined planes 291a goes out the direction of knife towards trigger shaft 25, with limit stop portion 292a with first direction
Rotation, specific in the present embodiment, should " first direction " be clockwise, i.e. the first cam 292 be rotated in a first direction into
Enter limiting slot 291, and continuation is limited face 291a with the movement that this first direction rotationally disengages limiting slot 291 and forbids.Due to
In the present embodiment, transition face is inclined-plane 291b, thus the first cam 292 has an opportunity to be somebody's turn to do with second direction (i.e. counterclockwise) edge
Inclined-plane 291b is rolled, to be detached from limiting slot 291.The purpose of mandrel 23 is limited in original state to realize, position-limit mechanism further includes
Second locating part, the second locating part liftedly compress the first cam 292, are rotated with limit stop portion 292a with second direction,
Second direction is opposite with first direction.
Refer to Fig. 5 and Fig. 6, the second locating part is the second cam 293, the second cam 293 have the second camshaft 293d,
And it can be equipped with around the support division 293b of the second camshaft 293d rotation, the first cam 292 and match with support division 293b phase shape
Support slot 292c, to receive support division 293b.In this way, the second cam 293 is compressed with support division 293b and supports slot 292c, with
Guarantee in the initial state, to limit the first cam 292 with second direction rotation and be detached from limiting slot 291 along inclined-plane 291b.
Shown in Figure 6, in the present embodiment, for the first cam 292 substantially in semi-circular, the first cam 292 includes semicircle
Ontology 292b, the first camshaft 292d are set to the center of circle of semicircle ontology 292b, and above-mentioned supports slot 292c and stopper section 292a points
The upper and lower ends of semicircle ontology 292b are not set.Wherein, about the mode for supporting slot 292c and matching with support division 293b phase shape, this
Embodiment provides the cooperation of groove and convex block；Certainly, in other implementations, the position of the two can adjust mutually
It changes, is i.e. convex block is set on the first cam 292 and groove is set on the second cam 293, being also possible to those skilled in the art can
With the other modes expected, will not enumerate here.
With continued reference to shown in Fig. 6, the second cam 293 further includes operation portion 293c, operation portion 293c can make by external force to
It holds portion 293b and supports slot 292c around the second camshaft 293d rotation to be detached from, to release to the first cam 292 with second
Direction is rotated allows for mandrel 23 mobile to the direction for pushing the trigger shaft 25 to go out knife to be detached from the limitation of limiting slot 291.
Wherein, the second cam 293 is eccentric wheel, has eccentric wheel ontology 293a, and eccentric wheel sheet is deviateed in the position of the second camshaft 293d
The center of circle of body 293a, operation portion 293c are arranged far from the second camshaft 293d, and support division 293b is from operation portion 293c to extension
Stretch the adjutage to be formed.Second cam 293 is eccentric wheel, and operation portion 293c and support division 293b are located remotely from the second camshaft
The side of 293d, then second cam 293, which has, makes support division 293b holding compress the first cam 292 and limit the first cam
292 trend rotated with second direction.Certainly, the second locating part is also not necessarily limited to the form of cam, in other implementations,
Second locating part is also possible to circular wheel, installs torsional spring on the wheel shaft of the circular wheel, and guarantee makes circular wheel holding compress the
One cam 292 is to limit the trend that it is rotated with second direction.
Refer to Fig. 3 and Fig. 5, receive be provided on the elongated shaft 21 of mandrel 23 axis hole for fixing the first camshaft 292d and
Fix the axis hole (not shown) of the second camshaft 293d.It is set in the closed tube 22 outside elongated shaft 21 and is provided with opening 221,
Operation portion 293c is exposed to the outside of the closed tube 22 so that clinician is convenient for operation when needing to be implemented percussion operation.
The working principle of the above-mentioned shaft member 20 for surgical instruments is as follows: Fig. 3 to Fig. 6 is referred to, in original state
When (trigger shaft 25 does not fire), the first cam 292 rotates with first direction and stopper section 292a made to enter limiting slot 291, passed through
It is mobile towards the percussion direction of trigger shaft 25 that confined planes 291a limits mandrel 23, and then guarantees that trigger shaft 25 can not fire, and can avoid
Mistakenly hit hair；Meanwhile second the holding block 293b of cam 293 support supporting in slot 292c in the first cam 292, prevent first convex
Wheel 292 is rotated with the second direction opposite with first direction, to keep the first cam 292 to limit mandrel 23；When needing to fire
When bar 25 goes out knife, the operation portion 293c that external force stirs the second cam 293 is first passed through, makes the second cam 293 with the second direction (inverse time
Needle direction) rotation, to release compressing to the first cam 292, the then firing handle of driving handle component, make mandrel 23 to
Preceding movement, at this point, first cam 292 is with second direction (counter clockwise direction) rotation, thus along oblique under the promotion of mandrel 23
291b disengaging in face supports slot 292c, releases the limit to mandrel 23, and trigger shaft 25 goes out knife；After mandrel 23 resets, the first cam
292 stopper section 292a is again introduced under the action of the elastic member in limiting slot 291, and stopper section 292a supports confined planes again
291a, at the same time, the holding block 293b of the second cam 293 is supported again to be supported in slot 292c, to lock mandrel again.
In conclusion the above-mentioned shaft member for surgical instruments is limited by being arranged on the longitudinal axis perpendicular to mandrel
Position slot and the position-limit mechanism including at least the first cam, liftedly limit the longitudinal movement of mandrel, so that mistakenly hit be avoided to send out, drop
Low operation risk.The surgical instruments for being equipped with the above-mentioned shaft member for surgical instruments when in use can be to avoid mistakenly hit
Hair reduces operation risk.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (11)
1. a kind of shaft member for surgical instruments, including the mandrel longitudinally extended and the trigger shaft for being connected to the mandrel,
It is characterized by: the shaft member further includes the position-limit mechanism perpendicular to the longitudinal axis setting of mandrel, the position-limit mechanism
It is mobile to the direction for pushing the trigger shaft to go out knife liftedly to limit the mandrel, the position-limit mechanism is described including being set to
Limiting slot on mandrel, and the locating part with limiting slot cooperation, the locating part include at least the first cam, and described the
One cam has the first camshaft and stopping for the limiting slot can be rotated hence into or be detached from around first camshaft
Stopper, in the initial state, the stopper section with first direction rotate into the limiting slot to the mandrel to push institute
The movement for stating the direction that trigger shaft goes out knife is limited, and the position-limit mechanism further includes the second locating part, and second locating part can
It compresses first cam with releasing, is rotated with limiting the stopper section with second direction, the second direction and described first
It is contrary.
2. the shaft member according to claim 1 for surgical instruments, it is characterised in that: the locating part further includes bullet
Property part, the elastic component makes first cam keep the trend for supporting the limiting slot with first direction.
3. the shaft member according to claim 2 for surgical instruments, it is characterised in that: the elastic component is torsional spring,
The torsion spring set is set on first camshaft, and one end supports first cam, and the other end supports the peace of the first camshaft
Fill shell.
4. the shaft member according to claim 1 for surgical instruments, it is characterised in that: the limiting slot has vertical
It rotates in the confined planes of the longitudinal axis and for the stopper section to be detached from the transition face of the limiting slot, the transition face
Connect the outer surface of the confined planes and mandrel.
5. the shaft member according to claim 4 for surgical instruments, it is characterised in that: the confined planes are described in
Trigger shaft goes out the direction of knife.
6. the shaft member according to claim 1 for surgical instruments, it is characterised in that: second locating part is the
Two cams；Alternatively, second locating part is circular wheel.
7. the shaft member according to claim 6 for surgical instruments, it is characterised in that: second cam is provided with
Support division, first cam, which is equipped with, supports slot with what the support division phase shape was matched；Alternatively, first cam is provided with and supports
Portion, second cam, which is equipped with, supports slot with what the support division phase shape was matched.
8. the shaft member according to claim 7 for surgical instruments, it is characterised in that: when second cam is arranged
Have support division and first cam be equipped with the support division phase shape match when supporting slot, second cam further includes second
Camshaft and operation portion, the operation portion can make the support division described to be detached from around second cam axle by external force
Support slot.
9. the shaft member according to claim 8 for surgical instruments, it is characterised in that: second cam is bias
Wheel, the operation portion are arranged far from second camshaft.
10. the shaft member according to claim 8 for surgical instruments, it is characterised in that: the shaft member also wraps
The elongated shaft of the slidably receivable mandrel and the trigger shaft is included, and is set in the closed tube outside the elongated shaft,
The closed tube is equipped with opening so that the operation portion is exposed to the outside of the closed tube.
11. a kind of surgical instruments, including Handleset and end effector, it is characterised in that: the surgical instruments further include as
The described in any item shaft members for surgical instruments of claim 1 ~ 10, the shaft member are longitudinal from the Handleset
Extend, and connects the end effector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254838.9A CN106725680B (en) | 2016-12-29 | 2016-12-29 | Shaft member and surgical instruments for surgical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254838.9A CN106725680B (en) | 2016-12-29 | 2016-12-29 | Shaft member and surgical instruments for surgical instruments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106725680A CN106725680A (en) | 2017-05-31 |
| CN106725680B true CN106725680B (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611254838.9A Active CN106725680B (en) | 2016-12-29 | 2016-12-29 | Shaft member and surgical instruments for surgical instruments |
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| CN (1) | CN106725680B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199488B (en) * | 2017-07-03 | 2021-01-05 | 江苏风和医疗器材股份有限公司 | Surgical instrument |
| CN107962596B (en) * | 2017-11-29 | 2023-12-08 | 龚宪瑞 | Cutter with replaceable blade |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5865361A (en) * | 1997-09-23 | 1999-02-02 | United States Surgical Corporation | Surgical stapling apparatus |
| US7963431B2 (en) * | 2006-10-06 | 2011-06-21 | Tyco Healthcare Group, Lp | Grasping jaw mechanism |
| CN201160870Y (en) * | 2008-02-25 | 2008-12-10 | 瑞奇外科器械(北京)有限公司 | Disposal actuated protecting device for straight line anastomat of surgery |
| US8469254B2 (en) * | 2010-01-22 | 2013-06-25 | Covidien Lp | Surgical instrument having a drive assembly |
| US9232944B2 (en) * | 2012-06-29 | 2016-01-12 | Covidien Lp | Surgical instrument and bushing |
| US9629623B2 (en) * | 2013-03-14 | 2017-04-25 | Ethicon Endo-Surgery, Llc | Drive system lockout arrangements for modular surgical instruments |
| CN104367357B (en) * | 2014-11-14 | 2016-07-06 | 常州市康迪医用吻合器有限公司 | The insurance institution of Endo-GIA executive module |
| CN105796143B (en) * | 2014-12-30 | 2018-10-30 | 苏州天臣国际医疗科技有限公司 | A kind of nail-head component and hysteroscope surgical operation seaming and cutting device |
| CN104586452B (en) * | 2015-02-15 | 2017-01-11 | 江苏孜航精密五金有限公司 | Clamping insurance device for surgical suture device |
| CN104856735B (en) * | 2015-05-12 | 2018-04-20 | 江苏特普优微创医疗科技有限公司 | The drive system of Endo-GIA |
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2016
- 2016-12-29 CN CN201611254838.9A patent/CN106725680B/en active Active
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