CN108175464B - Cutting device of anastomat and anastomat - Google Patents
Cutting device of anastomat and anastomat Download PDFInfo
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- CN108175464B CN108175464B CN201810029017.8A CN201810029017A CN108175464B CN 108175464 B CN108175464 B CN 108175464B CN 201810029017 A CN201810029017 A CN 201810029017A CN 108175464 B CN108175464 B CN 108175464B
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- driving gear
- transmission
- cutter
- transmission mechanism
- rack
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- 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
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
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- 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 invention relates to a cutting device of an anastomat, which comprises a cutter for cutting tissues, a power source for providing power for cutting of the cutter, and a transmission mechanism for mechanically connecting the power source with the cutter, wherein the transmission mechanism is provided with a first use state and a second use state, and the cutting device also comprises a switching mechanism for switching the transmission mechanism to the first use state (capable of executing cutting work) or the second use state (capable of executing rollback work).
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a cutting device of an anastomat and the anastomat.
Background
Anastomat (surgicaltacler) is a surgical instrument commonly used in surgery at present, replaces traditional manual suturing, is mainly applied to sealing of a dirty stump and incision anastomosis in surgical treatment, performs cutting operation on tissues through a cutting device (comprising a cutter) in the anastomat while anastomosis, is various in the market at present, and most anastomat in the prior art needs to be restored to an initial position after firing, so that the cutting anastomosis operation is completed. The existing method for recovering the cutting device is that the pulling-back device is manually operated, the machine is pulled back to the initial position, two hands are required to cooperatively operate during operation, the operation action range is large, two doctors can only have different operation actions in the operation process, if the two hands are required to simultaneously operate to complete the retraction operation of the cutting device, inconvenience is often brought to the operators, the operation time is also long, the operation efficiency is reduced, even the operation effect is influenced, and more unnecessary pains are brought to patients; in addition, and the pull-back device of the stapler is generally located outside the body of the stapler, affecting the overall aesthetic appearance of the stapler.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cutting device of an anastomat, which overcomes the defects of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the cutting device of the anastomat comprises a cutter for cutting tissues, a power source for providing power for cutting of the cutter, a transmission mechanism for mechanically transmitting and connecting the power source and the cutter, the transmission mechanism is provided with a first use state and a second use state, the cutting device further comprises a switching mechanism for switching the transmission mechanism to the first use state or the second use state, when the switching mechanism switches the transmission mechanism to the first use state, and the power source drives the transmission mechanism to move, the transmission mechanism drives the cutter to execute cutting work, when the switching mechanism switches the transmission mechanism to the second use state, and the power source drives the transmission mechanism to move, the transmission mechanism drives the cutter to execute rollback work and rollback the cutter to an initial position.
Preferably, the transmission mechanism comprises a transmission rack which is arranged in a sliding manner along the front-back direction of the anastomat and is in transmission connection with the cutter, and a driving gear which is arranged around the axis of the transmission rack and can be meshed with the transmission rack, and when the switching mechanism switches the transmission mechanism to a first use state, the driving gear is meshed with the transmission rack; when the driving gear is driven by the power source to rotate, the driving gear drives the transmission rack to move forwards, and then the cutter is driven to execute cutting work.
Preferably, the transmission mechanism comprises a driven gear which is arranged around the axis of the transmission mechanism and is meshed with the driving gear mutually, the driven gear can be meshed with the transmission rack, and when the switching mechanism switches the transmission mechanism to the second use state, the driven gear is meshed with the transmission rack, and the driving gear is disengaged from the transmission rack; when the driving gear is driven to rotate by the power source, the driving gear drives the driven gear to reversely rotate, and the driven gear drives the transmission rack to move backwards, so that the cutter is driven to execute rollback work.
Preferably, the switching mechanism comprises a switching knob which urges the driving gear or the driven gear out of engagement with the drive rack, and a return means which tends to engage with the driving gear or the driven gear with the drive rack.
Preferably, the switching button and the restoring device are respectively positioned at two corresponding axial sides of the driving gear or the driven gear.
Preferably, the restoring device comprises a first elastic piece and a second elastic piece which respectively support against the driving gear and the driven gear and respectively provide elastic restoring force for the driving gear and the driven gear.
The invention also relates to a stapler comprising a cutting device as described in the invention.
Preferably, the anastomat further comprises a working head, an operating handle, a connecting rod and a triggering device, wherein the connecting rod is connected between the working head and the operating handle, the driving gear and the driven gear are rotationally arranged in the operating handle, and the transmission rack is slidably arranged on the operating handle and the connecting rod.
Preferably, the triggering device comprises a trigger which is connected to the operating handle in a rotating manner and is connected in a matched manner with the driving gear.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the cutting device of the anastomat, the driving gear and the driven gear are matched, when the transmission mechanism is switched to the first working state, the driving gear is meshed with the transmission rack (the driven gear is not meshed with the transmission rack), so that the driving gear can rotate to drive the transmission rack to move forwards, and the cutter performs cutting work; when the transmission mechanism is switched to the second working state, the driven gear is meshed with the transmission rack (the driving gear is disengaged from the transmission rack), so that the rotation of the driving gear can drive the driven gear to rotate reversely, and finally, the cutter performs the rollback work; in addition, the anastomat effectively solves the inconvenience of two-hand operation, reduces the action amplitude of the rollback operation of the cutting device, increases the precision of the operation, shortens the operation time, relieves the pain of patients and improves the operation efficiency and effect by the arrangement of the cutting device; meanwhile, the anastomat also avoids the arrangement of an exposed pull-back device, so that the appearance strength and the aesthetic degree of the whole anastomat are effectively improved.
Drawings
FIG. 1 is a schematic top view of a cutting apparatus of the present invention (without cutters);
FIG. 2 is a schematic front view of a cutting device (without cutters) according to the present invention;
FIG. 3 is a schematic view of the overall structure of the stapler of the present invention;
wherein: 1. a drive gear; 2. a driven gear; 3. a drive rack; 4. a switch button; 51. a first elastic member; 52. a second elastic member; 6. triggering a trigger; 10. a working head; 20. a connecting rod; 30. and operating the handle.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and the specific embodiments.
As shown in fig. 1, 2 and 3, a cutting device of an anastomat comprises a cutter for cutting tissues, a power source for providing power for cutting the cutter, and a transmission mechanism for mechanically transmitting and connecting the power source and the cutter, wherein the transmission mechanism has a first use state and a second use state, the cutting device further comprises a switching mechanism for switching the transmission mechanism to the first use state or the second use state, when the switching mechanism switches the transmission mechanism to the first use state and the power source drives the transmission mechanism to move, the transmission mechanism drives the cutter to execute cutting work, and when the switching mechanism switches the transmission mechanism to the second use state and the power source drives the transmission mechanism to move, the transmission mechanism drives the cutter to execute retraction work and retract the cutter to an initial position.
Specifically, the transmission mechanism comprises a transmission rack 3 which is arranged in a sliding manner along the front-back direction of the anastomat and is in transmission connection with the cutter, a driving gear 1 which is arranged around the axis of the drive rack 3 and can be meshed with the transmission rack 3, and a driven gear 2 which is arranged around the axis of the drive rack and is meshed with the driving gear 1, wherein the driven gear 2 can be meshed with the transmission rack 3; when the power source drives the driving gear 1 to rotate, the driving gear 1 drives the transmission rack 3 to move forwards, and then drives the cutter to execute cutting work; in addition, when the switching mechanism switches the transmission mechanism to the second use state, the driven gear 2 is meshed with the transmission rack 3, and the driving gear 1 is disengaged from the transmission rack 3; when the driving gear 1 is driven to rotate by the power source, the driving gear 1 drives the driven gear 2 to reversely rotate, and the driven gear 2 drives the transmission rack 3 to move backwards, so that the cutter is driven to execute rollback.
Further, the switching mechanism includes a switching knob 4 for pushing the driving gear 1 or the driven gear 2 out of engagement with the transmission rack 3, and a returning means for tending to engage with the driving gear 1 or the driven gear 2 with the transmission rack 3. And the switching button 4 and the restoring device are respectively positioned at two corresponding sides of the driving gear 1 or the driven gear 2 in the axial direction. In this example, the restoring device includes a first elastic member 51 and a second elastic member 52 that respectively support against the driving gear 1 and the driven gear 2 and respectively provide elastic restoring forces for the driving gear 1 and the driven gear 2.
In addition, the invention also relates to a anastomat, which also comprises a working head 10, an operating handle 30, a connecting rod 20 connected between the working head 10 and the operating handle 30, a triggering device and a cutting device, wherein a driving gear 1 and a driven gear 2 in the cutting device are rotatably arranged in the operating handle 30, a transmission rack 3 is slidably arranged on the operating handle 30 and the connecting rod 20, and the triggering device comprises a trigger 6 which is rotatably connected on the operating handle 30 and is matched and connected with the driving gear 1.
In summary, according to the cutting device of the anastomat, through the matching arrangement of the driving gear and the driven gear, when the transmission mechanism is switched to the first working state, the driving gear is meshed with the transmission rack (the driven gear is not meshed with the transmission rack), so that the driving gear can rotate to drive the transmission rack to move forwards, and the cutter executes cutting work; when the transmission mechanism is switched to the second working state, the driven gear is meshed with the transmission rack (the driving gear is disengaged from the transmission rack), so that the rotation of the driving gear can drive the driven gear to rotate reversely, and finally, the cutter performs the rollback work; in addition, the anastomat effectively solves the inconvenience of two-hand operation, reduces the action amplitude of the rollback operation of the cutting device, increases the precision of the operation, shortens the operation time, relieves the pain of patients and improves the operation efficiency and effect by the arrangement of the cutting device; meanwhile, the anastomat also avoids the arrangement of an exposed pull-back device, so that the appearance strength and the aesthetic degree of the whole anastomat are effectively improved.
The present invention has been described in detail with the purpose of enabling those skilled in the art to understand and practice the present invention, but not to limit the scope of the present invention, and the present invention is not limited to the above-described embodiments, and all equivalent changes or modifications according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (5)
1. The utility model provides a cutting device of anastomat, cutting device includes the cutter that is used for cutting the tissue, for the power supply that the cutter cuts provides power, will the power supply with the transmission mechanism of cutter mechanical transmission connection, its characterized in that: the transmission mechanism has a first use state and a second use state, the cutting device also comprises a switching mechanism for switching the transmission mechanism to the first use state or the second use state, when the switching mechanism switches the transmission mechanism to the first use state and the power source drives the transmission mechanism to move, the transmission mechanism drives the cutter to execute cutting work, when the switching mechanism switches the transmission mechanism to the second use state and the power source drives the transmission mechanism to move, the transmission mechanism drives the cutter to execute rollback work and the cutter to rollback to an initial position,
the driving mechanism comprises a driving rack which is arranged in a sliding manner along the front-back direction of the anastomat and is in transmission connection with the cutter, and a driving gear which is arranged around the axis of the driving rack and can be meshed with the driving rack, and when the switching mechanism switches the driving mechanism to a first use state, the driving gear is meshed with the driving rack; when the power source drives the driving gear to rotate, the driving gear drives the transmission rack to move forwards, so as to drive the cutter to execute cutting work,
the transmission mechanism further comprises a driven gear which is arranged around the axis of the transmission mechanism and is meshed with the driving gear, the driven gear can be meshed with the transmission rack, and when the switching mechanism switches the transmission mechanism to a second use state, the driven gear is meshed with the transmission rack, and the driving gear is disengaged from the transmission rack; when the driving gear is driven by the power source to rotate, the driven gear is driven by the driving gear to reversely rotate, and the transmission rack is driven by the driven gear to move backwards, so that the cutter is driven to execute rollback.
2. The cutting device of a stapler according to claim 1, wherein: the switching mechanism comprises a switching button for pushing the driving gear or the driven gear to be disengaged from the transmission rack and a restoring device for tending to be engaged with the driving gear or the driven gear and the transmission rack,
the switching button and the restoring device are respectively positioned at two corresponding sides of the driving gear or the driven gear in the axial direction,
the restoring device comprises a first elastic piece and a second elastic piece which are respectively propped against the driving gear and the driven gear and respectively provide elastic restoring force for the driving gear and the driven gear.
3. An anastomat is characterized in that: the stapler comprises a cutting device according to claim 1 or 2.
4. A stapler according to claim 3, wherein: the anastomat further comprises a working head, an operating handle, a connecting rod and a triggering device, wherein the connecting rod is connected between the working head and the operating handle, the driving gear and the driven gear are rotationally arranged in the operating handle, and the transmission rack is slidably arranged on the operating handle and the connecting rod.
5. The stapler of claim 4, wherein: the trigger device comprises a trigger which is rotationally connected to the operating handle and is in matched connection with the driving gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029017.8A CN108175464B (en) | 2018-01-12 | 2018-01-12 | Cutting device of anastomat and anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029017.8A CN108175464B (en) | 2018-01-12 | 2018-01-12 | Cutting device of anastomat and anastomat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108175464A CN108175464A (en) | 2018-06-19 |
| CN108175464B true CN108175464B (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810029017.8A Active CN108175464B (en) | 2018-01-12 | 2018-01-12 | Cutting device of anastomat and anastomat |
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| Country | Link |
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| CN (1) | CN108175464B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111374728B (en) * | 2018-12-29 | 2021-12-07 | 江苏风和医疗器材股份有限公司 | Control method of transmission mechanism |
| CN112869818B (en) * | 2021-02-26 | 2022-01-28 | 苏州法兰克曼医疗器械有限公司 | Anastomat with anti-error triggering safety mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1827051A (en) * | 2005-02-07 | 2006-09-06 | 伊西康内外科公司 | Surgical stapling instrument incorporating a multi-stroke firing mechanism with return spring rotary manual retraction system |
| CN102176869A (en) * | 2008-10-10 | 2011-09-07 | 伊西康内外科公司 | Powered surgical cutting and stapling apparatus with manually retractable firing system |
| CN102525586A (en) * | 2012-02-09 | 2012-07-04 | 上海逸思医疗科技有限公司 | Control device for surgical instrument |
| CN105640602A (en) * | 2015-12-25 | 2016-06-08 | 山东威瑞外科医用制品有限公司 | Electric intra-cavity incision anastomat with emergent tool retracting device |
| CN105943104A (en) * | 2016-05-24 | 2016-09-21 | 山东威瑞外科医用制品有限公司 | A cutter driving device for an intracavity cutting stapler |
| CN105997171A (en) * | 2016-06-08 | 2016-10-12 | 宁波维尔凯迪医疗器械有限公司 | Manual resetting structure and stapling device with the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7721930B2 (en) * | 2006-11-10 | 2010-05-25 | Thicon Endo-Surgery, Inc. | Disposable cartridge with adhesive for use with a stapling device |
-
2018
- 2018-01-12 CN CN201810029017.8A patent/CN108175464B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1827051A (en) * | 2005-02-07 | 2006-09-06 | 伊西康内外科公司 | Surgical stapling instrument incorporating a multi-stroke firing mechanism with return spring rotary manual retraction system |
| CN102176869A (en) * | 2008-10-10 | 2011-09-07 | 伊西康内外科公司 | Powered surgical cutting and stapling apparatus with manually retractable firing system |
| CN102525586A (en) * | 2012-02-09 | 2012-07-04 | 上海逸思医疗科技有限公司 | Control device for surgical instrument |
| CN105640602A (en) * | 2015-12-25 | 2016-06-08 | 山东威瑞外科医用制品有限公司 | Electric intra-cavity incision anastomat with emergent tool retracting device |
| CN105943104A (en) * | 2016-05-24 | 2016-09-21 | 山东威瑞外科医用制品有限公司 | A cutter driving device for an intracavity cutting stapler |
| CN105997171A (en) * | 2016-06-08 | 2016-10-12 | 宁波维尔凯迪医疗器械有限公司 | Manual resetting structure and stapling device with the same |
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| Publication number | Publication date |
|---|---|
| CN108175464A (en) | 2018-06-19 |
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