CN108814668A - A kind of articulated joint locking mechanism on surgical instruments - Google Patents
A kind of articulated joint locking mechanism on surgical instruments Download PDFInfo
- Publication number
- CN108814668A CN108814668A CN201811025689.8A CN201811025689A CN108814668A CN 108814668 A CN108814668 A CN 108814668A CN 201811025689 A CN201811025689 A CN 201811025689A CN 108814668 A CN108814668 A CN 108814668A
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- locking
- end effector
- locking mechanism
- articulated joint
- surgical instruments
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 239000012636 effector Substances 0.000 claims abstract description 48
- 230000033001 locomotion Effects 0.000 claims description 14
- 239000013013 elastic material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 241000309551 Arthraxon hispidus Species 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 210000004872 soft tissue Anatomy 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 210000001519 tissue Anatomy 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 241000024411 Echinocereus adustus Species 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010058046 Post procedural complication Diseases 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention provides the articulated joint locking mechanism on a kind of surgical instruments, the articulated joint locking mechanism on specially a kind of stapler.The present invention improves the joint structure locking mechanism between stapler end effector and elongated shaft, conventionally employed tooth connection is substituted using the method for frictional connection and carries out joint locking, to solve in the operating process of end effector angular adjustment, soft tissue is easy the technical issues of being damaged by the tooth on joint, and can reach the technical effect for more fine-tuning angle.
Description
Technical field
The present invention relates to the articulated joint locking mechanism on a kind of surgical instruments, the joint on specially a kind of stapler is connect
Head locking mechanism.
Background technique
It is known in the prior art, stapler as medically use substitution traditional-handwork suture equipment, user
Just, tight, elastic suitable, especially its suture is quick, easy to operate and few side effects and the advantages that postoperative complication, and also
So that the tumor operation that can not be cut off in the past is able to lesion resection, very by the favor and high praise of domestic and international Clinical Surgery doctor.Outside
Section's stapler such as scope Endo-GIA may include that can be moved or be carried out joint motions relative to elongated shaft assembly
End effector.End effector, which is usually configured to, will need the tissue cut off to be fixed between clamping device, wherein clamping
It generally includes to be configured to the structure with nail bin is accommodated in device.Handle portion for operation is then configured to can control
The closure of clamping device, and control push blade cutting and staple are pushed to be sutured.
But due to the limitation of abdominal cavity or chest cavity space, in surgical procedure, traditional linear cutting anastomat cannot
Enough carry out angular adjustment, cannot effectively reach operative site clamped, be cross-section, anastomosed tissue, so gradually developing
The hysteroscope stapler that stapler actuator can turn, and widely used.
Such as Ethicon Endo Surgery Inc of the U.S. (ETHICON ENDO-SURGERY) is to the patent of its request for product, application
It number is CN200910130759.0, surgical instruments may include axis, end effector and connector, wherein the end effector can be with
It is moved around the connector relative to the axis.It proposes in that patent, referring to attached drawing 1, the joint of pervious end effector is transported
Dynamic connector includes locking component, such as locking component 299, and the locking component 299 may include the outer circumferential direction from locking component
The tooth 298 to extend out outside.Therefore, when making shaft assembly of the end effector relative to surgical instruments carry out joint motions, tooth
298 can tangle or impact the soft tissue of surrounding, and may cause wound.In different situations, tissue capture may be existed
Between adjacent teeth 298, so that soft tissue may be pulled in actuated articulation joints simultaneously when end effector carries out joint motions
And it may be jammed by the relative motion part of connector.In embodiments of the present invention, wherein the tooth of locking component is
Have angled or inclined, soft tissue, which can easily flow out and be reduced from tooth, pulls joint motions for soft tissue
A possibility that in connector.Although reducing the damage of tissue to the improvement of tooth form, but there is a possibility that damage, therefore should
Patent still uses cover structure as protection, and cover may be coupled at least one of the end effector and axis, and
The soft tissue adjacent to connector positioning is dragged into connector and/or by joint-clamping in order to prevent, and cover is configured at least portion
Divide and surrounds connector.
Although the setting of cover solves the technical issues of locking component injury tissue, the presence of cover increases part
Quantity, assembling process is comparatively laborious, and covers on during transluminal operation in the presence of the risk fallen.Therefore, it is necessary to a kind of improvement
The joint structure of type, so that joint motions will not generate damage to tissue in the case where not needing using cover.
Summary of the invention
The present invention provides a kind of surgical operating instrument, specially a kind of stapler with modified joint locking component.
The present invention improves the joint structure between stapler end effector and elongated shaft, is replaced using the method for frictional connection
It is connected for conventionally employed tooth and carries out joint locking, to solve in the operating process of end effector angular adjustment, soft group
It knits and is easy the technical issues of being damaged by the tooth on joint, and the technical effect for more fine-tuning angle can be reached.
The technical proposal of the invention is realized in this way：
A kind of articulated joint locking mechanism on surgical instruments, the surgical instruments ball and socket joint specially on stapler lock machine
Structure, including：End effector, elongated shaft and Handleset；
End effector may include anvil block and nail bin groupware, and surgical instruments further includes closed system and trigger system, closure
System is configured to generate closed action, and including the close handles in Handleset, close handles can control anvil block opposite
Rotation generates closed action, to clamp tissue, trigger system then includes firing handle, can be made by firing handle operation
Blade be pushed forward in nail bin staple release, to carry out cutting suture to tissue.Closed system and trigger system
Drive connection part is all disposed in elongated shaft, i.e., elongated shaft is as transmission mechanism receiving portion between end effector and Handleset
Point.
Its end effector can be pivotly connected with elongated shaft by articulated joint.Articulated joint is arranged so that
End effector carries out joint motions around book shaft opposite elongate axis, so that operator can carry out end effector
Joint motions are adjusted to suitable angle, to be easy access to the surgical site of patient's body.
In order to enable relatively fixed after adjusting end effector angle, articulated joint is equipped with locking mechanism；Locking
End effector and the opposite locking of elongated shaft are realized in by mechanism:Locking mechanism includes locking disk and locking level, locking
Disk is relatively fixed with end effector, and locking level is located in elongated shaft, can be with elongated shaft relative motion, locking disk and locking level phase
The side of contact is a curved surfaces, and the radian and locking disk curved surfaces for locking rod end surface match, and such setting makes
Obtaining locking level and locking panel surface can adequately contact, and locking level is connected with reset spring, act in the elastic force of reset spring
Under, locking level is that bias offsets with locking disk in normal state, and locking level and locking panel surface are arranged to centainly thick
The frictional force of rugosity, the two generates enough torque, to prevent end effector and elongated shaft from relatively rotating.Wherein torque is big
Small designed according to the torque of the surgical instruments external force that end effector may be subject in operation generation, it is therefore an objective to
The torque that frictional force generates is set as the torque greater than external force, to keep opposite locking.The setting of moment of friction depends on connecing
The biasing force for touching surface roughness and returning spring is typically provided to that the maximum moment that can be born in surgical procedure can be greater than, from
And prevent angle return after stress.In order to unlock, it is additionally provided with unlocking part, unlocking part is arranged outside elongated shaft
And connect with locking level, when pulling unlocking part far from end effector direction, locking level can be driven to overcome returning spring
Biasing force moved so that locking level and locking disk relative separation, form unlocked state.
Further, in order to increase frictional force and protection part, locking level has been set as two parts composition, including as end
Friction head and the connecting rod that is connect with friction head, the i.e. radian of friction head surface match with locking disk curved surfaces.Connection
Bar is made of rigid material, such as metal material or high rigidity plastics etc., ensure that the conduction of bonding strength and power；Friction
Head is then made of elastic material, such as the high molecular materials such as rubber, and surface is set as roughness with higher, described higher
Roughness, be can obviously experience the biggish friction in surface for the instrument other component surface roughness, in addition,
Elastic material such as rubber etc., itself has certain viscosity, further increases torque size.So that locking level and lock
The pressing of price fixing is more close, and the frictional force of generation is bigger.In the locked state, friction head is under the active force of returning spring
With the contact of locking disc side and generation deformation
End effector can gyration there is certain range, the rotational angle of relatively primitive position is not under normal circumstances
It can be more than 90 degree.When end effector turns to maximum angle, in order to guarantee to be in lockable state, rub head width
Less than or equal to locking disk width, and the contact surface of the end of locking level and locking disk is without departing from the curved surfaces of locking disk.
Above technical scheme is used, the invention has the advantages that：
(1) articulation locking mechanism replaces traditional tooth form to connect using frictional connection, solves in end effector angle
In the operating process of adjusting, soft tissue is easy the technical issues of being damaged by the tooth on joint.
(2) locking disk and locking level are contacted using cambered surface, the function of electrodeless adjustment are realized, so that angular adjustment is more smart
Really.
Detailed description of the invention
Attached drawing 1 is actuated articulation joints structural schematic diagram in background technique；
Attached drawing 2 is overall appearance schematic diagram of the present invention；
Attached drawing 3 is the structural schematic diagram of articulation locking mechanism of the invention；
Attached drawing 4 is the top view of attached drawing 3；
Attached drawing 5 is the structural schematic diagram that joint angles convert posterior joint locking mechanism；
Attached drawing 6 is the top view of attached drawing 5
Specific embodiment
Corresponding appended drawing reference indicates corresponding component in the drawings.The present invention shows of the invention in one form
Preferred embodiment, and such embodiment should be construed as limitation of the scope of the invention in no instance.This
Field is it will be appreciated by the skilled person that the device and method be described in detail and be shown in the accompanying drawings herein are non-limiting schematically
Embodiment, and the range of various embodiments of the invention is limited only by claim.A kind of schematic embodiment party
The feature that formula shows and describes can be in conjunction with the feature of other embodiment, it is intended that by such modifications and variations include this
In the range of invention.
A kind of appearance diagram of stapler with articulated joint 1 as shown in Fig. 2, including：End effector 2,
Elongated shaft 3 and Handleset 4；
End effector 2 may include anvil block 21 and nail bin groupware 22, and surgical instruments further includes closed system and trigger system,
Closed system is configured to generate closed action, and including the close handles 41 in Handleset 4, close handles 41 are controllable
Anvil block 21, which relatively rotates, generates closed action, to clamp tissue, trigger system then includes firing handle 42, passes through percussion
Handle 42, which operates, may make blade is pushed forward to release with the staple in nail bin, to carry out cutting suture to tissue.Closed system
The drive connection part of system and trigger system is all disposed in elongated shaft 3, i.e., elongated shaft 3 is used as end effector 2 and Handleset 4
Between transmission mechanism accommodating portion.
Its end effector 2 can be pivotly connected with elongated shaft 3 by articulated joint 1.Articulated joint 1 is set as
So that end effector 2 carries out joint motions around book shaft opposite elongate axis 3, so that operator can execute end
Device 1 carries out joint motions and is adjusted to suitable angle, to be easy access to the surgical site of patient's body.
In conjunction with attached drawing 2-4, in order to enable relatively fixed after adjusting 2 angle of end effector, articulated joint 1 is equipped with
Locking mechanism 5；End effector and the opposite locking of elongated shaft are realized in by locking mechanism 5:Locking mechanism includes locking
Disk 6 and locking level 7, locking disk 6 and end effector 1 are relatively fixed, and locking level 7 is located in elongated shaft 3, can be with 3 phase of elongated shaft
To movement, the side that locking disk 6 is in contact with locking level 7 is a curved surfaces, the radian and locking disk of 7 end surface of locking level
6 curved surfaces match, and are arranged so that locking level 7 and 6 surface of locking disk can be contacted adequately, locking level 7 is connected with
Reset spring (not shown), the specific implementation of reset spring can refer to the existing patent skill referred in background technique
Art, under the elastic force effect of reset spring, locking level 7 is that bias offsets with locking disk 6 in normal state, locking level 7 and lock
6 surface of price fixing is arranged to the roughness for having certain, and the frictional force of the two generates enough torque, to prevent end effector
2 and elongated shaft 3 relatively rotate.Wherein torque size is that end effector may be subject in operation according to surgical instruments
The torque that external force generates designs, it is therefore an objective to the torque that frictional force generates is set as the torque greater than external force, to keep phase
To locking.It can unlock, be additionally provided with unlocking part 10, unlocking part 10 connects in elongated shaft 3 and with locking level 7, when will
When unlocking part 10 is pulled far from 2 direction of end effector, the biasing force that locking level 7 can be driven to overcome returning spring is moved
It is dynamic, so that 6 relative separation of locking level 7 and locking disk, forms unlocked state.
Referring to attached drawing 5-6, after locking mechanism is in the unlocked state, locking disk 6 is relatively rotated with respect to locking level 7, then
The releasing force applied is unclamped, opposite locking, locking disk 6 are locked in corresponding angle again for locking disk 6 and locking level.
In addition, in order to increase frictional force and protection part, locking level has been set as two parts composition referring again to attached drawing 3, wrap
The connecting rod 9 for including the friction head 8 as end and being connect with friction head 8, the i.e. radian on 8 surface of friction head and 6 arc of locking disk
Surface matches.Connecting rod 9 is made of rigid material, such as stainless steel and other metal materials or high rigidity plastics etc., is guaranteed
The conduction of bonding strength and power；Friction head 8 is then made of elastic material, such as the high molecular materials such as rubber, and surface is set
For roughness with higher, the higher roughness, be for the instrument other component surface roughness, can be obvious
The biggish friction in surface is experienced, in addition, elastic material such as rubber etc., itself has certain viscosity, further increases
Torque size.So that the pressing of locking level 7 and locking disk 6 is more close, the frictional force of generation is bigger.In lock state
Under, friction head 8 contacts with locking disc side under the active force of returning spring and generates deformation
End effector 2 can gyration there is certain range, the under normal circumstances rotational angle of relatively primitive position
90 degree are not exceeded.When end effector 2 turns to maximum angle, in order to guarantee to be in lockable state, locking level 7
End portion width be less than or equal to 6 width of locking disk, and the contact surface of the end of locking level 7 and locking disk 6 is without departing from locking disk 6
Curved surfaces.
As described above, we are illustrated fully according to spirit of the invention, but the present invention is not limited to above-mentioned reality
Apply example and implementation method.The practitioner of correlative technology field can carry out different in the range of technical idea of the invention is permitted
Variation and implementation.
Claims (7)
1. the articulated joint locking mechanism on a kind of surgical instruments, surgical instruments include：End effector, elongated shaft and hand
Handle component；
Articulated joint is connected between the end effector and the elongated shaft, the end effector is connect by the joint
Head is pivoted relative to the elongated shaft；
The articulated joint is equipped with locking mechanism, and the locking mechanism is used for the end effector and the elongated shaft phase
To locking；The locking mechanism includes locking disk and locking level, and the locking disk and end effector are relatively fixed, the locking
Bar is located in the elongated shaft, can be with the elongated shaft relative motion；
It is characterized in that, the side that the locking disk is in contact with the locking level is a curved surfaces, the locking boom end
The radian on surface matches with locking disk curved surfaces.
2. the articulated joint locking mechanism on a kind of surgical instruments according to claim 1, which is characterized in that further include solution
Lock assembly and returning spring, the unlocking part are operably connected on locking level, the returning spring be configured to for
End effector move the locking component, the unlocking part can overcome the elastic force of returning spring to drive locking level to separate
The movement of end effector direction.
3. the articulated joint locking mechanism on a kind of surgical instruments according to claim 1, which is characterized in that the locking
Bar includes the friction head as end and the connecting rod that connect with the friction head, the radian and locking disk of the friction head surface
Curved surfaces match.
4. the articulated joint locking mechanism on a kind of surgical instruments according to claim 3, which is characterized in that the friction
Head is made of elastic material, and the connecting rod is made of rigid material, and the friction head is under the active force of the returning spring
It is contacted with the locking disc side and generates deformation.
5. the articulated joint locking mechanism on a kind of surgical instruments according to claim 3, which is characterized in that the friction
The surface that head is contacted with the locking disk is rough surface.
6. the articulated joint locking mechanism on a kind of surgical instruments according to claim 3, which is characterized in that the friction
Head width is less than or equal to the locking disk width.
7. the articulated joint locking mechanism described in -6 any one on a kind of surgical instruments, feature exist according to claim 1
In, when the end effector turns to maximum angle, the contact surface of the end of the locking level and the locking disk without departing from
The curved surfaces of the locking disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025689.8A CN108814668A (en) | 2018-09-04 | 2018-09-04 | A kind of articulated joint locking mechanism on surgical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025689.8A CN108814668A (en) | 2018-09-04 | 2018-09-04 | A kind of articulated joint locking mechanism on surgical instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108814668A true CN108814668A (en) | 2018-11-16 |
Family
ID=64151860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811025689.8A Withdrawn CN108814668A (en) | 2018-09-04 | 2018-09-04 | A kind of articulated joint locking mechanism on surgical instruments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108814668A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112587190A (en) * | 2020-12-02 | 2021-04-02 | 苏州优脉瑞医疗科技有限公司 | Anastomat suitable for intracavity and having end bending degree adjusting and locking functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518459A (en) * | 2008-02-14 | 2009-09-02 | 伊西康内外科公司 | Surgical instrument articulation joint cover |
| US20100193567A1 (en) * | 2009-02-05 | 2010-08-05 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument comprising an articulation joint |
| US20110155780A1 (en) * | 2009-12-30 | 2011-06-30 | Ethicon Endo-Surgery, Inc. | Dampening device for endoscopic surgical stapler |
| CN202537531U (en) * | 2012-03-26 | 2012-11-21 | 深圳迈瑞生物医疗电子股份有限公司 | Rotating brake mechanism and medical radiographic device thereof |
| CN203757639U (en) * | 2013-12-31 | 2014-08-06 | 四川新力光源股份有限公司 | Angle-adjusting adapter |
| CN104042276A (en) * | 2013-03-13 | 2014-09-17 | 柯惠Lp公司 | Surgical stapling apparatus |
| CN209107455U (en) * | 2018-09-04 | 2019-07-16 | 苏州法兰克曼医疗器械有限公司 | A kind of articulated joint locking mechanism on surgical instruments |
-
2018
- 2018-09-04 CN CN201811025689.8A patent/CN108814668A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518459A (en) * | 2008-02-14 | 2009-09-02 | 伊西康内外科公司 | Surgical instrument articulation joint cover |
| US20100193567A1 (en) * | 2009-02-05 | 2010-08-05 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument comprising an articulation joint |
| US20110155780A1 (en) * | 2009-12-30 | 2011-06-30 | Ethicon Endo-Surgery, Inc. | Dampening device for endoscopic surgical stapler |
| CN202537531U (en) * | 2012-03-26 | 2012-11-21 | 深圳迈瑞生物医疗电子股份有限公司 | Rotating brake mechanism and medical radiographic device thereof |
| CN104042276A (en) * | 2013-03-13 | 2014-09-17 | 柯惠Lp公司 | Surgical stapling apparatus |
| CN203757639U (en) * | 2013-12-31 | 2014-08-06 | 四川新力光源股份有限公司 | Angle-adjusting adapter |
| CN209107455U (en) * | 2018-09-04 | 2019-07-16 | 苏州法兰克曼医疗器械有限公司 | A kind of articulated joint locking mechanism on surgical instruments |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112587190A (en) * | 2020-12-02 | 2021-04-02 | 苏州优脉瑞医疗科技有限公司 | Anastomat suitable for intracavity and having end bending degree adjusting and locking functions |
| CN112587190B (en) * | 2020-12-02 | 2021-11-30 | 苏州优脉瑞医疗科技有限公司 | Anastomat suitable for intracavity and having end bending degree adjusting and locking functions |
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Application publication date: 20181116 |