CN108814681A - It is a kind of can unidirectional locking operation wrench structure - Google Patents
It is a kind of can unidirectional locking operation wrench structure Download PDFInfo
- Publication number
- CN108814681A CN108814681A CN201810368649.7A CN201810368649A CN108814681A CN 108814681 A CN108814681 A CN 108814681A CN 201810368649 A CN201810368649 A CN 201810368649A CN 108814681 A CN108814681 A CN 108814681A
- Authority
- CN
- China
- Prior art keywords
- locking
- sliding slot
- unidirectional
- wrench structure
- swing arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2946—Locking means
Abstract
The invention discloses it is a kind of can unidirectional locking operation wrench structure, including it is preceding determine handle, can around revolution center rotating rear dynamic handle, can around hinged center rotating locking button, driving locking button rotation driving mechanism and locking twist buckle spring, it is provided with hook tooth on dynamic handle after described, locking button and hook tooth transmission cooperate in a latched condition.The operation wrench structure of the structure can realize unidirectional clamping locking state as needed, improve procedure efficiency, reduce the working strength of doctor.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to it is a kind of can unidirectional locking operation wrench structure.
Background technique
As medical technology develops, endoscopic surgery is as a kind of novel operation mode increasingly by doctor and patient
Favor, has many advantages, such as that surgical wound is small.In the course of surgery because operation needs difference, it is sometimes desirable to be carried out for a long time to tissue
Grasping, need our surgical clamp to have latch functions at this time, it is sometimes desirable to which continuous folding surgical clamp is to different positions
It is operated, then wishes to release its latch functions at this time, and the surgical clamp of existing locking function needs persistently to push down switch and comes
It realizes and releases or keep lockup state, also or replace other surgical instruments, significantly increase the working strength of doctor, reduce
The procedure efficiency of doctor.
Summary of the invention
In view of this, the purpose of the present invention is to provide it is a kind of can unidirectional locking operation wrench structure, to improve operation
Efficiency, the working strength for reducing doctor.
The present invention is solved the above problems by following technological means：It is a kind of can unidirectional locking operation wrench structure, including it is preceding
Determine handle, can around revolution center rotating rear dynamic handle, can around hinged center rotating locking button, driving locking button rotation driving machine
Structure and locking twist buckle spring are provided with hook tooth on dynamic handle after described, and locking button and hook tooth transmission cooperate in a latched condition.
Further, the driving mechanism include locking sliding block, be arranged in locking sliding block side for realizing locking sliding block
Forward or the switching mechanism retreated and the locking sliding block reset spring that the locking sliding block other side is arranged in, the locking sliding block are logical
Link transmission part is crossed to connect with locking button.
Further, the switching mechanism includes fixing seat, power rotor and driven rotor, the fixing seat and power rotor
Be slidably socketed, described power rotor one end is provided with the first key, the driven rotor be arranged in fixing seat and locking sliding block it
Between, driven rotor side wall circumferentially has multiple boss, and boss and fixing seat contact side are inclined-plane, and power rotor is far from first
Key one end is provided with the helical teeth structure with the beveled end of boss engaged transmission, and fixing seat and driven rotor contact side are circumferentially handed over
For offering serrated slot and through slot.
Further, the fixing seat inner wall offers the guide groove being slidably matched with power rotor.
Further, the driving mechanism includes locking push rod, the second key that locking push rod one end is arranged in, is arranged and is locking
The locking swing arm of the throw-out lever other end and locking sliding slot, the locking button and locking push rod are hinged, the locking swing arm and lock
Throw-out lever is hinged, and locking swing arm reduction torsion spring is provided between locking swing arm and locking push rod, is offered in the locking sliding slot
Locking button bit.
Further, the first key reset spring is provided between first key and fixing seat.
Further, the link transmission part includes the first connecting rod, second connecting rod and third connecting rod being hingedly driven.
Further, the locking sliding slot includes first sliding groove section, second sliding slot section, third sliding slot section and the 4th sliding slot section,
First sliding groove section and second sliding slot section are used to the free end of locking swing arm importing locking button bit, third sliding slot section and the 4th sliding slot
Section is used for the free end diversion locking button bit of locking swing arm.
Further, the free end of locking swing arm is moved diagonally downward along first sliding groove section.
Further, the free end of locking swing arm tilts upward along the 4th sliding slot section and moves.
Beneficial effects of the present invention：It is of the invention can unidirectional locking operation wrench structure, including it is preceding determine handle, can be in revolution
The rear dynamic handle of heart rotation, the driving mechanism and locking twist buckle that can be rotated around locking button, the driving locking button of hinged center rotating
Spring is provided with hook tooth on dynamic handle after described, and locking button and hook tooth transmission cooperate in a latched condition.The surgical clamp of the structure
Structure drives locking button with hook tooth to separate or engage by driving mechanism, can unidirectionally clamping locking state and it is non-unidirectionally
Switch between clamping locking state, improves procedure efficiency, reduce the working strength of doctor.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram that lockup state is in embodiment 1；
Fig. 2 is the overall structure diagram that non-lockup state is in embodiment 1；
Fig. 3 is the connection relationship diagram of each component of switching mechanism when being in lockup state in embodiment 1；
Fig. 4 is the connection relationship diagram of each component of switching mechanism when being in non-lockup state in embodiment 1；
Fig. 5 is the switching critical state schematic diagram of switching mechanism in embodiment 1；
Fig. 6 is the structural schematic diagram of the fixing seat of switching mechanism in embodiment 1；
Fig. 7 is the motion state signal of each component when switching between lockup state and non-lockup state in embodiment 1
Figure；
Fig. 8 is the overall structure diagram that lockup state is in embodiment 2；
Fig. 9 is the overall structure diagram that non-lockup state is in embodiment 2；
Figure 10 is the connection relationship diagram of each component of driving mechanism when being in lockup state in embodiment 2；
Figure 11 is the connection relationship diagram of each component of driving mechanism when being in non-lockup state in embodiment 2；
Figure 12 is the motion state schematic diagram of each component when switching to lockup state；
Figure 13 is the motion state schematic diagram of each component when switching to non-lockup state.
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail.
Embodiment 1
As shown in figs. 1-7, the present embodiment can unidirectional locking operation wrench structure, including it is preceding determine handle 1, can be around the centre of gyration
The rear dynamic handle 3 of rotation, the driving mechanism and locking twist buckle that can be rotated around locking button 2, the driving locking button of hinged center rotating
Spring 10, the centre of gyration of rear dynamic handle and the hinged center of locking button are determined on handle before being in, and are provided with hook tooth on dynamic handle afterwards,
Locking button and hook tooth transmission cooperate in a latched condition, and the driving mechanism of stating includes locking sliding block 7, is arranged in locking sliding block
The switching mechanism 9 for moving forward or retreating for realizing locking sliding block of side and the locking sliding block of the locking sliding block other side is set
Reset spring 8, the locking sliding block are connect by link transmission part with locking button, preceding to determine to be offered on handle for the sliding of locking sliding block
Sliding slot, the link transmission part includes the first connecting rod 4, second connecting rod 5 and third connecting rod 6 being hingedly driven, the switching machine
Structure includes fixing seat 92, power rotor 93 and driven rotor 91, and the fixing seat is slidably socketed with power rotor, and the active turns
Sub- one end is provided with the first key 11, and the first key reset spring 12 is provided between first key and fixing seat, described
Driven rotor is arranged between fixing seat and locking sliding block, and driven rotor side wall circumferentially has multiple boss, boss and fixation
It is inclined-plane that seated connection, which touches side, and power rotor is provided with the helical teeth knot with the beveled end of boss engaged transmission far from first key one end
Structure, fixing seat circumferentially replaces with driven rotor contact side offers serrated slot 923 and through slot 921, in lockup state and non-lock
Only in stateful switchover process, the boss of driven rotor side wall is alternately caught in through slot and serrated slot, and the fixing seat inner wall offers
The guide groove 922 being slidably matched with power rotor.When being in lockup state, each unit status is as shown in Figure 1, locking is buckled in lock
The lower ratchet tooth engagement on rear dynamic handle of clamping torsional spring effect, dynamic handle can only move in one direction afterwards, realize unidirectional locking
Function, to continue in the course of surgery, effectively to clamp tissue, to improve procedure efficiency, reduce doctor's work by force
Degree, the connection status of each component of switching mechanism as shown in figure 3, the boss of driven rotor side wall and the through slot of fixing seat cooperate,
Under the elastic force effect of locking sliding block reset spring, locking sliding block is in the leftmost side；When being in non-lockup state, each unit status
As shown in Fig. 2, locking sliding block is mobile, the rotation of locking button is driven by link transmission part, is disengaged from locking button with hook tooth,
To release unidirectional locking state, the connection status of each component of switching mechanism is as shown in figure 4, the boss of driven rotor side wall and solid
The serrated slot of reservation cooperates, and driven rotor integrally moves to right, to push locking sliding block integrally to move to right and compress the reset of locking sliding block
Spring.
To keep above-mentioned technical proposal clearer, the switching between lockup state and non-lockup state is described in detail below
Journey presses the first key when switching to non-lockup state by lockup state, pushes power rotor to move to right, passes through power rotor
Driven rotor is pushed to move to right, Fig. 5 is the critical state schematic diagram of power rotor and driven rotor in handoff procedure, power rotor
Driven rotor and through slot is pushed to be detached from, in pushing course, the helical teeth structure of power rotor end and the ramp effect of boss, knot
The guiding role for closing serrated slot and boss inclined-plane, so that driven rotor turns an angle and makes the boss of driven rotor side wall
Serrated slot is slid into, at this point, driven rotor has integrally moved to right certain distance, so that locking sliding block be pushed to move to right certain distance, locking
During sliding block moves to right, the rotation of locking button is driven by link transmission part, is detached from locking button and hook tooth, to release unidirectional
Lockup state.In handoff procedure, the motion state of each component is as shown in Figure 7.Fixing seat, which has the movement of power rotor, to be led
To effect, Fig. 6 is the structural schematic diagram of fixing seat, and the guide groove being slidably matched with power rotor is offered in fixing seat inner wall,
Guide groove is on the inside of serrated slot, and the boss for avoiding its side wall in the handoff procedure of driven rotor position is caught in guide groove.Again
The first key is pressed, each component motion state is on the contrary, lockup state can be switched to again.
Embodiment 2
Such as Fig. 8-13, the present embodiment can unidirectional locking operation wrench structure, handle 1 determine before including, can be around turning round center rotating
Rear dynamic handle 3, can around hinged center rotating locking button 2, driving locking button rotation driving mechanism and locking twist buckle spring 10,
The hinged center of the centre of gyration and locking button that move handle afterwards is determined on handle before being in, and is provided with hook tooth on dynamic handle afterwards, is being locked
Only locking button and hook tooth transmission cooperate under state, and the driving mechanism includes locking push rod 15, is arranged in locking push rod one end
The second key 14, the locking push rod other end is set locking swing arm and locking sliding slot 13, the locking button pushed away with locking
Bar is hinged, and the locking swing arm and locking push rod are hinged, and locking swing arm is provided between locking swing arm and locking push rod and resets torsion
Spring, offers locking button bit in the locking sliding slot, and the locking sliding slot includes that first sliding groove section, second sliding slot section, third are sliding
Slot section and the 4th sliding slot section, first sliding groove section and second sliding slot section are used to the free end of locking swing arm importing locking button bit, the
Three sliding slot sections and the 4th sliding slot section are used for the free end diversion locking button bit of locking swing arm.When being in lockup state, each portion
Part state is as shown in figure 8, locking is buckled under the action of locking twist buckle spring, and the ratchet tooth engagement with rear dynamic handle, dynamic handle can only court afterwards
One direction movement, realizes unidirectional locking function, the connection status of each component of driving mechanism is as shown in Figure 10, at locking swing arm
In free state；When being in non-lockup state, for each unit status as shown in figure 9, locking push rod moves to right, locking button moves section
Variation, in the movement section, locking button always can not be with ratchet tooth engagement, to release unidirectional locking state, driving mechanism
The connection status of each component is as shown in figure 11, and the free end of locking swing arm is caught in locking button bit.
To keep above-mentioned technical proposal clearer, the switching between lockup state and non-lockup state is described in detail below
Journey, when switching to non-lockup state by lockup state, the second key pushes locking push rod to move to right, on the one hand, the movement of locking button
Section variation, in the movement section, locking button always can not be another with ratchet tooth engagement, to release unidirectional locking state
Aspect, locking push rod push locking swing arm mobile, and the free end of locking swing arm is arrived at first sliding groove section, and first sliding groove section is to incline
Inclined-plane obliquely continues to press on locking push rod, and locking swing arm can be made around hinged spot wobble, while making the free end of locking swing arm
It is slided diagonally downward along first sliding groove section, slides into locking button bit through second sliding slot section after；When switching to lock by non-lockup state
Only when state, the second key is pressed again, is pushed locking swing arm mobile by locking push rod, is made free end and the lock of locking swing arm
Clamping position is detached from, and into third sliding slot section, is then tilted upward along the 4th sliding slot section and is moved and eventually disengage from locking sliding slot, is locking
Under the action of clamping torsional spring, locking button restores the state with ratchet tooth engagement, to switch to unidirectional locking state.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. one kind can unidirectional locking operation wrench structure, it is characterised in that：Including it is preceding determine handle, can be around the rear dynamic of revolution center rotating
Handle can move handle after described around the driving mechanism and locking twist buckle spring that locking button, the driving locking button of hinged center rotating rotate
On be provided with hook tooth, in a latched condition locking button and hook tooth transmission cooperate.
2. it is according to claim 1 can unidirectional locking operation wrench structure, it is characterised in that：The driving mechanism includes lock
Limited slip block, the switching mechanism for moving forward or retreating for realizing locking sliding block that locking sliding block side is arranged in and setting are in locking
The locking sliding block reset spring of the sliding block other side, the locking sliding block are connect by link transmission part with locking button.
3. it is according to claim 2 can unidirectional locking operation wrench structure, it is characterised in that：The switching mechanism includes solid
Reservation, power rotor and driven rotor, the fixing seat are slidably socketed with power rotor, and described power rotor one end is provided with
One key, the driven rotor are arranged between fixing seat and locking sliding block, and driven rotor side wall circumferentially has multiple boss,
Boss and fixing seat contact side are inclined-plane, and power rotor is provided with far from first key one end and engages biography with the beveled end of boss
Dynamic helical teeth structure, fixing seat circumferentially replaces with driven rotor contact side offers serrated slot and through slot.
4. it is according to claim 3 can unidirectional locking operation wrench structure, it is characterised in that：The fixing seat inner wall opens up
There is the guide groove being slidably matched with power rotor.
5. it is according to claim 1 can unidirectional locking operation wrench structure, it is characterised in that：The driving mechanism includes lock
Throw-out lever, the second key that locking push rod one end is arranged in, the locking swing arm that the locking push rod other end is arranged in and locking are sliding
Slot, the locking button and locking push rod are hinged, and the locking swing arm and locking push rod are hinged, between locking swing arm and locking push rod
It is provided with locking swing arm reduction torsion spring, offers locking button bit in the locking sliding slot.
6. it is according to claim 3 can unidirectional locking operation wrench structure, it is characterised in that：First key and fixation
The first key reset spring is provided between seat.
7. it is according to claim 2 can unidirectional locking operation wrench structure, it is characterised in that：The link transmission part includes
First connecting rod, second connecting rod and the third connecting rod being hingedly driven.
8. it is according to claim 5 can unidirectional locking operation wrench structure, it is characterised in that：The locking sliding slot includes the
One sliding slot section, second sliding slot section, third sliding slot section and the 4th sliding slot section, first sliding groove section are used to put locking with second sliding slot section
The free end of arm imports locking button bit, third sliding slot section and the 4th sliding slot section for buckleing the free end diversion locking of locking swing arm
Position.
9. it is according to claim 8 can unidirectional locking operation wrench structure, it is characterised in that：The free end edge of locking swing arm
First sliding groove section moves diagonally downward.
10. it is according to claim 9 can unidirectional locking operation wrench structure, it is characterised in that：The free end of locking swing arm
It tilts upward and moves along the 4th sliding slot section.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368649.7A CN108814681B (en) | 2018-04-23 | 2018-04-23 | One-way locking surgical forceps structure |
| AU2019258296A AU2019258296B2 (en) | 2018-04-23 | 2019-04-19 | Surgical forceps structure capable of being locked in one direction |
| PCT/CN2019/083375 WO2019206028A1 (en) | 2018-04-23 | 2019-04-19 | Surgical forceps structure capable of being locked in one direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368649.7A CN108814681B (en) | 2018-04-23 | 2018-04-23 | One-way locking surgical forceps structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108814681A true CN108814681A (en) | 2018-11-16 |
| CN108814681B CN108814681B (en) | 2020-08-04 |
Family
ID=64155463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810368649.7A Active CN108814681B (en) | 2018-04-23 | 2018-04-23 | One-way locking surgical forceps structure |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108814681B (en) |
| AU (1) | AU2019258296B2 (en) |
| WO (1) | WO2019206028A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110226954A (en) * | 2019-07-17 | 2019-09-13 | 山东威瑞外科医用制品有限公司 | A kind of surgical clamp |
| WO2019206028A1 (en) * | 2018-04-23 | 2019-10-31 | 湖南瀚德微创医疗科技有限公司 | Surgical forceps structure capable of being locked in one direction |
| CN113790938A (en) * | 2021-08-25 | 2021-12-14 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Variable-caliber rock core splitting machine |
| CN113855172A (en) * | 2021-11-15 | 2021-12-31 | 英特姆（武汉）医疗科技有限公司 | Handle locking assembly of split type minimally invasive instrument |
| CN117297718A (en) * | 2023-11-27 | 2023-12-29 | 精勤智造(苏州)医疗科技有限公司 | Modularized minimally invasive surgical forceps |
| CN113790938B (en) * | 2021-08-25 | 2024-04-19 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Core splitting machine with variable caliber |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189775B (en) * | 2021-04-20 | 2022-06-17 | 歌尔股份有限公司 | Headband adjusting device and head-mounted equipment |
| CN117137581B (en) * | 2023-10-26 | 2024-02-02 | 桐庐优视医疗器械有限公司 | Anti-breaking uterine cavity forceps |
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- 2018-04-23 CN CN201810368649.7A patent/CN108814681B/en active Active
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- 2019-04-19 AU AU2019258296A patent/AU2019258296B2/en active Active
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| EP0543107A2 (en) * | 1991-10-18 | 1993-05-26 | United States Surgical Corporation | Handle for endoscopic surgical instruments and jaw structure |
| EP0584723A1 (en) * | 1992-08-19 | 1994-03-02 | United States Surgical Corporation | Handle for endoscopic surgical instruments and jaw structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019206028A1 (en) * | 2018-04-23 | 2019-10-31 | 湖南瀚德微创医疗科技有限公司 | Surgical forceps structure capable of being locked in one direction |
| CN110226954A (en) * | 2019-07-17 | 2019-09-13 | 山东威瑞外科医用制品有限公司 | A kind of surgical clamp |
| CN110226954B (en) * | 2019-07-17 | 2024-01-30 | 山东威瑞外科医用制品有限公司 | Surgical forceps |
| CN113790938A (en) * | 2021-08-25 | 2021-12-14 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Variable-caliber rock core splitting machine |
| CN113790938B (en) * | 2021-08-25 | 2024-04-19 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Core splitting machine with variable caliber |
| CN113855172A (en) * | 2021-11-15 | 2021-12-31 | 英特姆（武汉）医疗科技有限公司 | Handle locking assembly of split type minimally invasive instrument |
| CN117297718A (en) * | 2023-11-27 | 2023-12-29 | 精勤智造(苏州)医疗科技有限公司 | Modularized minimally invasive surgical forceps |
| CN117297718B (en) * | 2023-11-27 | 2024-02-06 | 精勤智造(苏州)医疗科技有限公司 | Modularized minimally invasive surgical forceps |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019206028A1 (en) | 2019-10-31 |
| AU2019258296B2 (en) | 2022-03-17 |
| AU2019258296A1 (en) | 2020-12-10 |
| CN108814681B (en) | 2020-08-04 |
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