CN111963639B - Emergency actuating structure of electric surgical instrument - Google Patents
Emergency actuating structure of electric surgical instrument Download PDFInfo
- Publication number
- CN111963639B CN111963639B CN202010811896.7A CN202010811896A CN111963639B CN 111963639 B CN111963639 B CN 111963639B CN 202010811896 A CN202010811896 A CN 202010811896A CN 111963639 B CN111963639 B CN 111963639B
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- China
- Prior art keywords
- gear
- transmission unit
- reset
- rack
- shaft
- 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.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000009471 action Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
- F16H19/043—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack for converting reciprocating movement in a continuous rotary movement or vice versa, e.g. by opposite racks engaging intermittently for a part of the stroke
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an emergency actuating structure of an electric surgical instrument, which comprises a reset gear, a transmission unit rack, an intermediate gear, a motor gear, a sliding pin shaft, a manual retraction shaft, a notch and other structures, wherein the motor gear is meshed with the intermediate gear; the reset gear is fixed on the manual retraction shaft and is positioned above the rack of the transmission unit, and a part of the reset gear is flattened; when the electric surgical instrument fails, the middle gear is separated from the rack of the transmission unit by opening the emergency safety cover, and at the moment, the reset gear is rotated by the manual wrench to retract the rack of the transmission unit, so that the anastomat is reset; the design can enable a clinician to complete instrument resetting through simple and labor-saving operation, and improves the use safety of the electric surgical instrument.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an emergency actuating structure of an electric surgical instrument.
Background
The electric anastomat is used for cutting, suturing and separating tissues and organs in endoscopic or open surgery. The electric anastomat realizes the cutting and retreating functions of the instrument through the external motor drive and the logic control of a circuit; when the electronic components and the external motor are in fault or the mechanical clamping condition of the instrument occurs, the instrument is required to be taken out for replacement, and at the moment, the cutting assembly of the anastomat can still clamp tissues, and the cutting knife cannot be retracted; therefore, there is a need in the art for a device that can retract the cutting assembly to its original state in an emergency, allowing the user to retract the cutting blade safely in a manual manner, allowing manual resetting of the instrument.
Disclosure of Invention
The invention aims to provide an emergency actuating structure of an electric surgical instrument, which solves the problems in the background art.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides an emergent actuating structure of electric surgical instrument, including reset gear, drive unit rack, intermediate gear, motor gear, slip round pin axle, base holding surface, motor gear and intermediate gear meshing, intermediate gear can rotate and can follow the setting of axis direction slip at the slip round pin epaxial around the slip round pin axle axis, intermediate gear and the tooth meshing of setting in drive unit rack side, reset gear sets up on manual back axle, reset gear is located the top of drive unit rack, reset gear during operation and with the tooth meshing of setting in drive unit rack upside.
As a preferred embodiment, the reset gear has a portion with a flattened configuration; the flattening part of the reset gear is arranged above the rack of the transmission unit in the non-working state.
As a preferred embodiment, a key groove is arranged on the manual retraction shaft, the key groove is matched with a flat key, a notch is arranged at the edge of the top of the manual retraction shaft, an inner hexagonal hole is arranged in the middle of the top of the manual retraction shaft, and the manual retraction shaft can be connected with an inner hexagonal wrench with a shape matched with that of the inner hexagonal wrench; the reset gear is fixedly arranged on the manual retraction shaft through the clamping connection of the key groove and the flat key, and the rotation of the manual retraction shaft drives the reset gear to rotate; the protection cover is provided with a supporting piece, and the supporting piece is arranged between the intermediate gear and the supporting surface of the base.
As a preferred embodiment, the rotating cam is fixed on the manual retraction shaft, can rotate along with the manual retraction shaft, the gear positioning piece passes through the sliding pin shaft to be arranged above the intermediate gear, the gear spring is compressed and fixed on the intermediate gear and the supporting surface of the base, and the manual retraction shaft is provided with a notch and threads and can be connected with a threaded rotary knob with a shape matched with the notch and threads. When the manual rollback shaft rotates, the rotating cam is driven to rotate and the gear positioning piece is pressed down until the gear positioning piece is clamped on the limiting protruding block, at the moment, the intermediate gear is separated from the rack of the transmission unit, and the gear spring is compressed.
As a preferable embodiment, the protection cover is provided with a protrusion which is matched with the notch on the manual retraction shaft, and the manual retraction shaft is fixed by the clamping connection of the protrusion and the notch in the unopened state of the emergency protection cover.
The invention has the technical effects and advantages that:
the cutting assembly can be returned to the initial state in an emergency way, so that a user can safely return the cutting knife in a manual mode, the manual resetting of the instrument is realized, the whole structure is simple, and the practical requirement is well met by the operation scheme.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic view of an example 1 emergency actuation structure of the present invention in a first state.
Fig. 2 is a schematic view of a second state of the example 1 emergency actuation structure of the present invention.
Fig. 3 is a schematic view of a third state of the example 1 emergency actuation structure of the present invention.
Fig. 4 is a schematic illustration of a first state of the example 2 emergency actuation structure of the present invention.
Fig. 5 is a schematic view of a second state of the example 2 emergency actuation structure of the present invention.
In the figure: 1-reset gear, 2-transmission unit rack, 3-intermediate gear, 4-motor gear, 5-sliding pin shaft, 6-inner hexagonal hole, 7-manual rollback shaft, 8-notch, 9-flat key, 10-gear locating piece, 11-gear spring, 12-base supporting surface, 13-limit protruding block, 14-rotating cam and 15-screw thread.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The present invention will be further described with reference to the accompanying drawings to enable those skilled in the art to better practice the invention. The embodiment of the invention relates to an emergency actuating structure of an electric surgical instrument, which comprises a reset gear 1, a transmission unit rack 2, an intermediate gear 3, a motor gear 4, a sliding pin shaft 5 and a base supporting surface 12, wherein the motor gear 4 is meshed with the intermediate gear 3, the intermediate gear 3 can rotate around the axis of the sliding pin shaft 5 and can be arranged on the sliding pin shaft 5 in a sliding way along the axis direction, the intermediate gear 3 is meshed with teeth arranged on the side surface of the transmission unit rack 2, the reset gear 1 is arranged on a manual retraction shaft 7, the reset gear 1 is positioned above the transmission unit rack 2, and one part of the reset gear 1 is in a trimming structure; the flat part of the reset gear 1 is arranged above the gear rack 2 of the transmission unit in the non-working state, and the reset gear 1 is meshed with teeth arranged on the upper side surface of the gear rack 2 of the transmission unit in the working state.
According to the invention, a key groove is formed in a manual retraction shaft 7, the key groove is matched with a flat key 9, a notch 8 is formed in the edge of the top of the manual retraction shaft 7, an inner hexagonal hole 6 is formed in the middle of the top of the manual retraction shaft, and an inner hexagonal wrench with a shape matched with that of the inner hexagonal hole can be connected; the reset gear 1 is fixedly clamped on the manual retraction shaft 7 through a key slot and a flat key 9, and the rotation of the manual retraction shaft 7 drives the reset gear 1 to rotate; the protection cover is provided with a supporting piece, the supporting piece is arranged between the intermediate gear 3 and the base supporting surface 12, the protection cover is provided with a bulge, the bulge is matched with the notch 8 on the manual retraction shaft 7, and the manual retraction shaft 7 is fixed through the clamping connection of the bulge and the notch 8 under the state that the protection cover is not opened. When the instrument works normally, namely the emergency actuating structure is not started, the motor gear 4 is meshed with the transmission unit rack 2 through the intermediate gear 3, and the intermediate gear 3 drives the transmission unit rack 2 to move under the drive of the motor gear 4, so that the firing and retreating actions of the anastomat can complete the work of cutting and suturing tissues; at this time, the reset gear 1 is not meshed with the transmission unit rack 2, and the movement of the transmission unit rack 2 is not affected; when the instrument fails, namely the emergency actuating structure is started, the safety cover is opened, and the intermediate gear 3 slides along the sliding pin 5 and is separated from the gear rack 2 of the transmission unit without being supported by the support piece; the reset gear 1 is rotated by the manual wrench, so that the transmission unit rack 2 is retracted, and the anastomat is reset.
The rotating cam 14 of the example 2 of the present invention is fixed on the manual retraction shaft 7, and can rotate along with the manual retraction shaft 7, the gear positioning plate 10 is placed above the intermediate gear 3 through the sliding pin 5, the gear spring 11 is compressed and fixed on the intermediate gear 3 and the base support surface 12, and the manual retraction shaft 7 is provided with a notch 8 and a thread 15, and can be connected with a threaded rotation knob with a shape matched with the notch 8 and the thread 15. When the manual retraction shaft 7 rotates, the rotation cam 14 is driven to rotate and the gear positioning sheet 10 is pressed down until the gear positioning sheet 10 is clamped on the limiting convex block 13, at the moment, the intermediate gear 3 is separated from the gear rack 2 of the transmission unit, and the gear spring 11 is compressed; the protection cover is provided with a bulge which is matched with the notch 8 on the manual retraction shaft 7, and the manual retraction shaft 7 is fixed through the clamping connection of the bulge and the notch 8 in the unopened state of the emergency protection cover. When the instrument is in a normal firing state, namely when the emergency actuating structure is in a first state, the intermediate gear 3 is meshed with the transmission unit rack 2 under the action of the gear spring 11, and the intermediate gear 3 and the transmission unit rack 2 are driven to move, so that the firing and retreating actions of the anastomat are realized to complete the work of cutting and suturing tissues; in this state, the reset gear 1 is not engaged with the transmission unit rack 2. When the instrument fails and an emergency actuating structure needs to be opened, an emergency safety cover on the instrument body is opened, the internal thread rotary knob is screwed in, the manual retraction shaft 7 is manually rotated, the transmission cam rotates and presses the gear positioning sheet 10 down to the clamping limiting protruding block 13, at the moment, the intermediate gear 3 is separated from the transmission unit rack 2, the reset gear 1 is meshed with the transmission unit rack 2, the internal thread rotary knob is continuously rotated, and the transmission unit rack 2 is retracted, so that the electric anastomat is reset.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, and yet fall within the scope of the invention.
Claims (1)
1. An emergency actuation structure for an electric surgical instrument, characterized in that: the automatic reset device comprises a reset gear, a transmission unit rack, an intermediate gear, a motor gear, a sliding pin shaft and a base supporting surface, wherein the motor gear is meshed with the intermediate gear, the intermediate gear can rotate around the axis of the sliding pin shaft and can slide along the axis direction and is arranged on the sliding pin shaft, the intermediate gear is meshed with teeth arranged on the side surface of the transmission unit rack, the reset gear is arranged on a manual back shaft, the reset gear is positioned above the transmission unit rack, and the reset gear is meshed with teeth arranged on the upper side surface of the transmission unit rack when in operation;
one part of the reset gear is of a cut-off structure; the flattening part of the reset gear is arranged above the rack of the transmission unit in the non-working state; the top edge of the manual retraction shaft is provided with a notch, the middle of the top is provided with an inner hexagonal hole, and the inner hexagonal hole can be connected with an inner hexagonal wrench with a shape matched with that of the inner hexagonal hole;
the protection cover is provided with a support piece, the support piece is arranged between the intermediate gear and the support surface of the base, the protection cover is provided with a protrusion which is matched with a notch on the manual retraction shaft, and the manual retraction shaft is fixed through the clamping connection of the protrusion and the notch under the state that the emergency protection cover is not opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010811896.7A CN111963639B (en) | 2020-08-13 | 2020-08-13 | Emergency actuating structure of electric surgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010811896.7A CN111963639B (en) | 2020-08-13 | 2020-08-13 | Emergency actuating structure of electric surgical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111963639A CN111963639A (en) | 2020-11-20 |
| CN111963639B true CN111963639B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010811896.7A Active CN111963639B (en) | 2020-08-13 | 2020-08-13 | Emergency actuating structure of electric surgical instrument |
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| CN (1) | CN111963639B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855131B (en) * | 2021-11-18 | 2023-08-11 | 重庆迈科唯医疗科技有限公司 | Electric anastomat with manual reset mechanism |
| WO2024109712A1 (en) * | 2022-11-23 | 2024-05-30 | 天臣国际医疗科技股份有限公司 | Reset device and surgical operation instrument |
| CN115823198A (en) * | 2022-11-23 | 2023-03-21 | 天臣国际医疗科技股份有限公司 | Emergency device and surgical operation instrument |
| CN117002912B (en) * | 2023-10-08 | 2024-01-23 | 常州九天机电设备有限公司 | Conveying equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0686374A2 (en) * | 1994-06-10 | 1995-12-13 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument and method |
| CN104224254A (en) * | 2013-06-20 | 2014-12-24 | 瑞奇外科器械(中国)有限公司 | Surgical operation instrument and drive device thereof |
| 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 |
| CN105816213A (en) * | 2016-05-30 | 2016-08-03 | 杭州天任生物科技有限公司 | One-part propelling and back-off mechanism and endoscope lower cutting anastomat formed by same |
| CN105919640A (en) * | 2016-05-30 | 2016-09-07 | 杭州天任生物科技有限公司 | One-part propelling and retreating mechanism and endoscopic cutting stapler comprising same |
| CN111202553A (en) * | 2020-01-17 | 2020-05-29 | 盈甲医疗科技(北京)有限公司 | Manual retraction device for electric anastomat and electric anastomat thereof |
-
2020
- 2020-08-13 CN CN202010811896.7A patent/CN111963639B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0686374A2 (en) * | 1994-06-10 | 1995-12-13 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument and method |
| PT686374E (en) * | 1994-06-10 | 2003-02-28 | Ethicon Endo Surgery Inc | SURGICAL INSTRUMENT FOR GRINDING |
| CN104224254A (en) * | 2013-06-20 | 2014-12-24 | 瑞奇外科器械(中国)有限公司 | Surgical operation instrument and drive device thereof |
| 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 |
| CN105816213A (en) * | 2016-05-30 | 2016-08-03 | 杭州天任生物科技有限公司 | One-part propelling and back-off mechanism and endoscope lower cutting anastomat formed by same |
| CN105919640A (en) * | 2016-05-30 | 2016-09-07 | 杭州天任生物科技有限公司 | One-part propelling and retreating mechanism and endoscopic cutting stapler comprising same |
| CN111202553A (en) * | 2020-01-17 | 2020-05-29 | 盈甲医疗科技(北京)有限公司 | Manual retraction device for electric anastomat and electric anastomat thereof |
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| Publication number | Publication date |
|---|---|
| CN111963639A (en) | 2020-11-20 |
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Effective date of registration: 20210705 Address after: 225100 No.203 Ji'an Road, Hanjiang District, Yangzhou City, Jiangsu Province Applicant after: Yuanchuang medical technology (Jiangsu) Co.,Ltd. Address before: 430000 No.2, 15th floor, building 8, Haier International Plaza, 65 Jiefang Avenue, Qiaokou District, Wuhan City, Hubei Province Applicant before: Wuhan Zhiling Medical Technology Co.,Ltd. |
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