CN111214267A - Electric bending failure remedying device and electric anastomat thereof - Google Patents
Electric bending failure remedying device and electric anastomat thereof Download PDFInfo
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- CN111214267A CN111214267A CN202010068406.9A CN202010068406A CN111214267A CN 111214267 A CN111214267 A CN 111214267A CN 202010068406 A CN202010068406 A CN 202010068406A CN 111214267 A CN111214267 A CN 111214267A
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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Abstract
The invention provides an electric bending failure remedying device which is used for an electric anastomat and comprises a motor gear, an intermediate gear, a bending nut, a rotating head, a bending connecting rod and a bending screw rod, wherein the motor gear is meshed with the intermediate gear, the intermediate gear drives the bending connecting rod to move back and forth through the bending screw rod and the bending nut, the rotating head is meshed with the intermediate gear through the back and forth movement of the rotating head, and meanwhile, the rotating head drives the motor gear to be disengaged from the intermediate gear. According to the technical scheme, the electric anastomat with the bending remediation device is designed aiming at the condition that the instrument is difficult to take out of a human body in a bending state after the electric bending fails, the jaw can be bent left and right through the bending remediation device, the front end of the instrument can be conveniently taken out of the abdominal cavity of the human body through the puncture outfit, and the safety and the reliability of the function of the instrument are guaranteed.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an electric anastomat with electric bending failure remedial measures.
Background
According to the existing electric bending instrument, the left and right bending of the jaw of the instrument is realized through the motor driving transmission assembly in an electric bending mode, the fatigue strength of a doctor during operation is reduced, the operation hand feeling of the doctor is improved, but other problems are inevitable in the mode of realizing the jaw bending through the electric mode, such as insufficient battery power supply, and the failure of a motor and a power supply circuit, so that the left and right bending of the motor can not be realized in normal work. When the above-mentioned unexpected condition happens, the apparatus jaw can not continue to bend left and right, and at the same time, the apparatus is difficult to pass through the puncture outfit under the bending state, and when the above-mentioned condition happens in the course of operation, it can produce great medical accident.
In order to avoid the problem that the electric bending cannot continue to bend left and right after failure, an electric anastomat with a bending remediation device is needed to be provided, and the electric anastomat can conveniently penetrate through the puncture outfit to be taken out of a human body, so that the risk of medical accidents is reduced.
Disclosure of Invention
The invention provides an electric bending failure remedying device, which at least solves the technical problem that in the prior art, when electric bending fails, left and right bending of a jaw of an instrument can be continuously realized through the bending failure remedying device.
The invention provides an electric bending failure remedying device which is used for an electric anastomat and comprises a motor gear, an intermediate gear, a bending nut, a rotating head, a bending connecting rod and a bending screw rod, wherein the motor gear is meshed with the intermediate gear, the intermediate gear drives the bending connecting rod to move back and forth through the bending screw rod and the bending nut, the rotating head is meshed with the intermediate gear through the back and forth movement of the rotating head, and meanwhile, the rotating head drives the motor gear to be disengaged from the intermediate gear.
Optionally, the rotating head is provided with rotating head internal teeth and a rotating head end face, the motor gear is provided with a motor gear end face, the rotating head is engaged with the intermediate gear through the rotating head internal teeth, and the rotating head drives the motor gear end face to move back and forth through the rotating head end face so that the motor gear is disengaged from the intermediate gear.
Optionally, when the electric bending of the electric anastomat fails, the rotating head is manually driven to move forwards or backwards, the rotating head is enabled to drive the motor gear to move forwards and backwards to be disengaged from the intermediate gear while being engaged with the intermediate gear, and then the rotating head is manually rotated to drive the intermediate gear to rotate, so that the bending connecting rod is driven to move forwards and backwards to realize the manual bending.
Optionally, the rotating head is rotated manually to drive the intermediate gear to perform a rotational motion, so that the turning screw and the turning nut drive the turning connecting rod to move back and forth to achieve manual turning.
Optionally, the intermediate gear is fixedly connected to the turning screw, the turning screw is in threaded fit with the turning nut, the turning nut is provided with a turning nut protrusion, the turning connecting rod is provided with a turning connecting rod hole, and the turning nut protrusion is in fit connection with the turning connecting rod hole.
Optionally, the electric steering failure remedying device further includes a manual steering gear, the rotary head is engaged with the manual steering gear, and the intermediate gear is engaged with the manual steering gear.
Optionally, when the electric bending of the electric stapler fails, the rotating head is manually driven to move forward or backward, so that the internal teeth of the rotating head are engaged with the manual bending gear, and the rotating head is engaged with the intermediate gear through the manual bending gear, thereby realizing manual bending.
Optionally, the electric bending failure remedying device further includes an internal gear, the internal gear is fixedly connected to the rotating head, when the electric bending of the electric anastomat fails, the rotating head is manually driven to move forward or backward to enable the rotating head to be engaged with the manual bending gear through the internal gear, and meanwhile, the forward or backward movement of the rotating head drives the motor gear to move back and forth to be disengaged from the intermediate gear, so that the manual bending is achieved.
Optionally, the internal gear is provided with an internal gear protrusion, the rotating head is provided with a rotating head groove, and the internal gear is connected with the rotating head groove of the rotating head in a matching manner through the internal gear protrusion.
The powered stapler includes the powered flexion failure remedy apparatus as described in any of the above.
According to the technical scheme, the electric anastomat with the bending remedy device is designed aiming at the condition that the instrument is difficult to take out of a human body in a bending state after the electric bending fails, and the remedy measures are added on the basis of the electric bending of the anastomat, so that when the electric bending fails, the jaw can be bent left and right through the bending remedy device, the front end of the instrument can be conveniently taken out of the abdominal cavity of the human body through the puncture outfit, and the safety and the reliability of the function of the instrument are guaranteed.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
FIG. 1 is a schematic diagram of an alternative electric stapler according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an alternative embodiment of a powered stapler having a powered bending failure remedy;
FIG. 3 is a schematic diagram illustrating an alternative electric bending operation of an electric stapler including a manual bending gear according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating an alternative embodiment of a device for remedying a failure in power-driven bending of a powered stapler including a manual bending gear;
FIG. 5 is a schematic diagram illustrating an alternative electric bending operation of an electric stapler without a manual bending gear according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating an alternative embodiment of a device for remedying a failure in power-driven bending of a powered stapler that does not include a manual bending gear;
FIG. 7 is a schematic diagram illustrating an alternative electric bending operation of an electric stapler including an internal gear according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram illustrating an alternative embodiment of a device for remediating electrical bending failure of an electric stapler including an internal gear;
FIG. 9 is a schematic structural diagram illustrating an alternative electric stapler according to an embodiment of the present invention, wherein an intermediate gear and a bending screw are welded together;
FIG. 10 is a schematic view of an alternative embodiment of a configuration of a curved link and curved nut of an electric stapler;
fig. 11 is a schematic structural diagram of a rotating head with rotating head grooves of an alternative electric stapler according to an embodiment of the present invention.
Reference numerals:
1-bending motor 2-motor gear 21-motor gear end face
3-hand-operated bending gear 4-intermediate gear 41-intermediate gear end face
5-internal gear 51-internal gear bulge 6-bending nut
61-turning nut end surface 62-turning nut bulge 7-rotating head
71-rotating head inner teeth 72-rotating head end face 73-rotating head grooves
8-turning connecting rod 81-turning connecting rod hole 9-turning screw
11-operating handle 12-elongated body 13-end effector
The following detailed description is intended to further illustrate but not limit the invention, the following example being only one preferred embodiment of the invention.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings, in which like numerals in different drawings represent the same or similar elements, unless otherwise specified. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Detailed Description
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It is understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and to practice the invention, and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Summary of The Invention
The invention has the technical problems that when electric bending fails in electric bending resetting, a jaw of an electric anastomat cannot be bent left and right continuously, and the electric anastomat is difficult to pass through a puncture outfit in a bending state, and the puncture outfit and the electric anastomat are taken out together seriously.
Exemplary devices
The following embodiments are shown in fig. 1 to 10.
As shown in fig. 1 and 2, the electric stapler having the electric bending failure remedy means includes a bending motor 1, a motor gear 2, a manual bending gear 3, an intermediate gear 4, an internal gear 5, a bending nut 6, a rotary head 7, a bending screw 9, an operation handle 11, an elongated body 12, and an end effector 13.
The electric bending failure remedying device is used for an electric anastomat, and comprises a motor gear 2, an intermediate gear 4, a bending nut 6, a rotating head 7, a bending connecting rod 8 and a bending screw 9, wherein the motor gear 2 is meshed with the intermediate gear 4, the intermediate gear 4 drives the bending connecting rod 8 to move back and forth through the bending screw 9 and the bending nut 6, the rotating head 7 is meshed with the intermediate gear 4 through the back and forth movement of the rotating head 7, and meanwhile the rotating head 7 drives the motor gear 2 to be disengaged from the intermediate gear 4.
Further, the rotary head 7 is provided with rotary head internal teeth 71 and a rotary head end face 72, the motor gear 2 is provided with a motor gear end face 21, the rotary head 7 is engaged with the intermediate gear 4 through the rotary head internal teeth 71, and the rotary head 7 drives the motor gear end face 21 to move back and forth through the rotary head end face 72 to disengage the motor gear 2 from the intermediate gear 4.
Further, when the electric bending of the electric anastomat fails, the rotating head 7 is manually driven to move forwards or backwards, so that the rotating head 7 is meshed with the intermediate gear 4, meanwhile, the rotating head 7 drives the motor gear 2 to move forwards and backwards to be disengaged from the intermediate gear 4, and at the moment, the rotating head 7 is manually rotated to drive the intermediate gear 4 to rotate, so that the bending connecting rod 8 is driven to move forwards and backwards to realize manual bending.
Further, the rotation of the rotary head 7 by hand rotates the intermediate gear 4, so that the turning rod 8 is driven by the turning screw 9 and the turning nut 6 to move back and forth, thereby realizing manual turning.
Further, the intermediate gear 4 is fixedly connected to the turn screw 9, the turn screw 9 is screw-engaged with the turn nut 6, the turn nut 6 is provided with a turn nut protrusion 62, the turn link 8 is provided with a turn link hole 81, and the turn nut protrusion 62 is engaged with the turn link hole 81.
On the basis of the above scheme, the electric turning failure remedying device further includes a manual turning gear 3, the rotary head 7 is engaged with the manual turning gear 3, and the intermediate gear 4 is engaged with the manual turning gear 3.
Further, when the electric bending of the electric stapler fails, the rotary head 7 is manually driven to move forward or backward, the rotary head internal teeth 71 are engaged with the manual bending gear 3, and the rotary head 7 is engaged with the intermediate gear 4 through the manual bending gear 3, thereby performing the manual bending.
On the basis of the scheme, the electric bending failure remedying device further comprises an internal gear 5, the internal gear 5 is fixedly connected with the rotating head 7, when the electric bending of the electric anastomat fails, the rotating head 7 is manually driven to move forwards or backwards to enable the rotating head 7 to be meshed with the manual bending gear 3 through the internal gear 5, meanwhile, the forward or backward movement of the rotating head 7 drives the motor gear 2 to move forwards and backwards to be disengaged from the intermediate gear 4, and therefore the manual bending is achieved.
Further, the internal gear 5 is provided with an internal gear protrusion 51, the rotary head 7 is provided with a rotary head recess 73, and the internal gear 5 is fittingly connected with the rotary head recess 73 of the rotary head 7 through the internal gear protrusion 51.
The powered stapler includes any of the powered flexion failure remedies.
As shown in fig. 9, the motor gear 2 is engaged with the intermediate gear 4 in a tooth form during electric bending, the intermediate gear 4 and the bending screw 9 are welded together by a welding process, the bending screw 9 and the bending nut 6 are screw-coupled, and the bending nut 6 and the bending link 8 are coupled through the bending nut protrusion 62 and the bending link hole 81, as shown in fig. 10.
Optionally, the electric bending failure remedying device comprises the rotary head 7, the manual bending gear 3 and the intermediate gear 4, wherein the rotary head 7 has a toothed inner surface which can be movably engaged with the manual bending gear 3; the electric turning system includes the turning motor 1, the motor gear 2, the intermediate gear 4, the turning screw 9, the turning nut 6, and the turning link 8. Wherein the manual bending gear 3 is engaged with the intermediate gear 4 for transmission, the motor gear 2 is movably engaged with the intermediate gear 4, the rotary head end surface 72 is capable of contacting with the motor gear end surface 21, and the motor gear 2 is capable of being driven to move back and forth when the rotary head 7 moves back and forth.
As shown in fig. 3, when the electric stapler is operated to perform electric bending, the rotary head 7 is disengaged from the manual bending gear 3, the motor gear 2 is in contact with the intermediate gear 4, the rotational motion of the bending motor 1 is transmitted to the bending screw 9 through the intermediate gear 4, and the rotational motion of the bending screw 9 causes the bending nut 6 to drive the bending link 8 to move back and forth, and then to be transmitted to the end of the electric stapler, so that the electric stapler performs electric bending.
As shown in fig. 4, when the electric stapler fails to perform the electric bending, the manual driving rotary head 7 moves forward or backward, and the rotary head internal teeth 71 are engaged with the manual bending gear 3. Meanwhile, the rotating head end surface 72 of the rotating head 7 drives the motor gear end surface 21 of the motor gear 2 to move back and forth and to be disengaged from the intermediate gear 4, and at this time, the rotating head 7 is manually rotated to drive the manual turning gear 3 and the intermediate gear 4 to perform a rotational motion, so that the turning connecting rod 8 is driven to move back and forth by the turning screw 9 and the turning nut 6, thereby realizing a manual turning operation of the instrument when the electric turning fails.
The back and forth movement of the rotary head 7 in the electric bending failure remedy device causes the intermediate gear 4 to be disengaged from the bending motor 1, and the rotary head 7 is engaged with the manual bending gear 3 to drive the bending link 8 to move back and forth via the intermediate gear 4, so that the jaw of the electric stapler is continuously bent left and right, the left and right bending operation can be continuously performed, and the jaw angle of the electric stapler can be returned to the vicinity of zero angle (for example, the angle when the electric stapler is inserted into a human body) to be taken out from the human body.
In addition to the above, by reducing the manual turning gear 3, the intermediate gear 4 is directly engaged with the tooth profile of the inner surface of the rotary head 7 when the rotary head 7 moves forward and backward, and thus the manual turning gear 3 can be omitted.
As shown in fig. 5, when the electric stapler performs the electric bending operation, the rotary head 7 is disengaged from the intermediate gear 4, the motor gear 2 is in contact with the intermediate gear 4, the rotational motion of the bending motor 1 is transmitted to the bending screw 9 through the intermediate gear 4, and the rotational motion of the bending screw 9 causes the bending nut 6 to drive the bending link 8 to move back and forth, and is transmitted to the end of the electric stapler, so that the electric stapler performs the electric bending operation.
As shown in fig. 6, when the electric bending of the electric stapler fails, the rotary head 7 is manually driven to move forward or backward, so that the internal teeth 71 of the rotary head are engaged with the intermediate gear 4. Meanwhile, the end face 72 of the rotating head drives the end face 21 of the motor gear to move back and forth and disengage from the intermediate gear 4, and at the same time, the rotating head 7 is manually rotated to drive the intermediate gear 4 to rotate, so that the turning connecting rod 8 is driven to move back and forth through the turning screw 9 and the turning nut 6, and manual turning operation of the instrument can be realized when electric turning fails.
The back and forth movement of the rotating head 7 in the bending remedy device causes the middle gear 4 to be disengaged from the bending motor 1, and the rotating head 7 drives the bending connecting rod 8 to move back and forth through the middle gear 4, so that the jaw of the electric anastomat is continuously bent left and right, the left and right bending operation can be continuously executed, and the jaw angle of the electric anastomat can be returned to the initial angle to be taken out from the human body.
On the basis of the scheme, the most preferable scheme is that the internal gear is added and subtracted by the tooth-shaped structure on the inner surface of the rotating head, and the internal gear is matched with the groove of the rotating head through the square bulge, so that when the rotating head is manually rotated, the rotating head is transmitted by the internal gear, the intermediate gear drives the turning screw to rotate, and the left and right turning of the jaw of the instrument is realized.
The electric turning failure recovery device includes the rotary head 7, an internal gear 5, the manual turning gear 3, and the intermediate gear 4. Wherein the inside of the rotary head 7 is provided with a rotary head groove 73, and the rotary head groove 73 is engaged with the internal gear protrusion 51 of the internal gear 5, as shown in fig. 11. And the inner surface of the rotary head 7 is provided with a tooth shape which can be movably engaged with the manual bending gear 3. The electric turning system includes the turning motor 1, the motor gear 2, the intermediate gear 4, the turning screw 9, the turning nut 6, and the turning link 8. Wherein the manual bending gear 3 is engaged with the intermediate gear 4 for transmission, the motor gear 2 is movably engaged with the intermediate gear 4, the inner end surface of the rotary head 7 can contact with the end surface of the motor gear 2, and the motor gear 2 can be driven to move back and forth when the rotary head 7 moves back and forth.
As shown in fig. 7, when the electric stapler performs the electric bending operation, the internal gear 5 is disengaged from the manual bending gear 3, the motor gear 2 is in contact with the intermediate gear 4, the rotational motion of the bending motor 1 is transmitted to the bending screw 9 through the intermediate gear 4, and the rotational motion of the bending screw 9 causes the bending nut 6 to drive the bending link 8 to move back and forth, and then to be transmitted to the end of the electric stapler, so that the electric stapler performs the electric bending operation.
When the electric bending of the electric stapler fails, the rotary head 7 is manually driven to move forward or backward, as shown in fig. 8, the internal gear 5 is engaged with the manual bending gear 3, and the forward and backward movement of the rotary head 7 drives the motor gear 2 to move forward and backward and to disengage from the intermediate gear 4, and at this time, the rotary head 7 is manually rotated to drive the internal gear 5, the manual bending gear 3 and the intermediate gear 4 to perform a rotational movement, so that the bending link 8 is driven to move forward and backward by the bending screw 9 and the bending nut 6, thereby performing the manual bending operation of the electric stapler when the electric bending fails.
The middle gear 4 is disengaged from the bending motor 1 by the back and forth movement of the rotary head 7 in the electric bending failure remedy apparatus, and the internal gear 5 is engaged with the manual bending gear 3 to drive the bending link 8 to move back and forth through the middle gear 4, so that the jaw of the electric stapler is continuously bent left and right, the left and right bending operation can be continuously performed, and the jaw angle of the electric stapler can be returned to the initial angle to be taken out from the human body.
The internal gear 5 is added in the rotating head 3, so that the processing difficulty of the rotating head 3 can be reduced, the reliability and stability of the processing technology can be ensured, and the internal gear 5 drives the manual bending gear 3 and then drives the intermediate gear 4, so that the requirement on the characteristics of the intermediate gear 4 is low, and the cost of instruments can be reduced.
Exemplary method
The specific working principle is as follows:
the bend remediation device comprises a rotating head, a manual bend gear and an intermediate gear. The inner surface of the rotating head is provided with a tooth shape and can be movably meshed with the manual bending gear. The electric turning system comprises a turning motor, a motor gear, an intermediate gear, a turning screw, a turning nut and a turning connecting rod. The manual bending gear is in meshing transmission with the intermediate gear, the motor gear is movably meshed with the intermediate gear, the inner end face of the rotating head can be in contact with the end face of the motor gear, and the motor gear can be driven to move back and forth when the rotating head moves back and forth.
When the instrument is electrically bent, the rotating head is disengaged from the manual bending gear, the motor gear is contacted with the intermediate gear, the rotating motion of the motor is transmitted to the bending screw rod through the intermediate gear, and the rotating motion of the bending screw rod drives the bending nut to drive the bending connecting rod to move back and forth so as to be transmitted to the tail end of the instrument and enable the instrument to execute the electric bending motion.
When the electric bending of the instrument fails, the rotating head is manually driven to move forwards or backwards, so that the tooth form of the inner surface of the rotating head is meshed with the manual bending gear. Meanwhile, the front and back movement of the rotating head drives the motor gear to move back and forth to be disengaged from the intermediate gear. At the moment, the manual rotating head is rotated to drive the manual turning gear and the intermediate gear to rotate, so that the turning connecting rod is driven to move back and forth through the turning screw rod and the turning nut, and manual turning operation of the instrument can be realized when electric turning fails.
The front and back movement of the rotating head in the bending remedy device causes the intermediate gear to be disengaged from the motor, and simultaneously, the rotating head drives the bending connecting rod to move back and forth through the intermediate gear by the engagement of the manual bending gear, so that the jaw is continuously bent left and right, the left and right bending operation can be continuously executed, and the jaw angle of the instrument can be returned to the initial angle to be taken out from the human body.
It should be noted that although in the above detailed description several units/modules or sub-units/modules of the apparatus are mentioned, such a division is merely exemplary and not mandatory. Indeed, the features and functionality of two or more of the units/modules described above may be embodied in one unit/module according to embodiments of the invention. Conversely, the features and functions of one unit/module described above may be further divided into embodiments by a plurality of units/modules.
Moreover, while the operations of the method of the invention are depicted in the drawings in a particular order, this does not require or imply that the operations must be performed in this particular order, or that all of the illustrated operations must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.
While the spirit and principles of the invention have been described with reference to several particular embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, nor is the division of aspects, which is for convenience only as the features in such aspects may not be combined to benefit. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. Electronic inflection inefficacy remedy device, its characterized in that, electronic inflection inefficacy remedy device is used for electronic anastomat, electronic inflection inefficacy remedy device includes motor gear (2), intermediate gear (4), turn nut (6), rotating head (7), turn connecting rod (8) and turn screw rod (9), motor gear (2) with intermediate gear (4) meshing, intermediate gear (4) process turn screw rod (9) with turn nut (6) drive turn connecting rod (8) seesaw, the seesaw of rotating head (7) makes rotating head (7) with intermediate gear (4) meshing, simultaneously rotating head (7) drive motor gear (2) with intermediate gear (4) break away from the meshing.
2. The device for remedying the failure of the electrical steering according to claim 1, wherein the rotating head (7) is provided with rotating head internal teeth (71) and a rotating head end surface (72), the motor gear (2) is provided with a motor gear end surface (21), the rotating head (7) is engaged with the intermediate gear (4) through the rotating head internal teeth (71), and the rotating head (7) drives the motor gear end surface (21) to move back and forth through the rotating head end surface (72) so that the motor gear (2) is disengaged from the intermediate gear (4).
3. The device for remedying the failure of the electric bending according to claim 2, wherein when the electric bending of the electric anastomat fails, the rotating head (7) is manually driven to move forwards or backwards, so that the rotating head (7) is meshed with the intermediate gear (4), meanwhile, the rotating head (7) drives the motor gear (2) to move forwards and backwards and is disengaged from the intermediate gear (4), and at the moment, the rotating head (7) is manually rotated to drive the intermediate gear (4) to rotate, so that the bending connecting rod (8) is driven to move forwards and backwards to realize the manual bending.
4. The electrical yaw failure remedy device according to claim 3, characterized by manual rotation of the swivel head (7) bringing the intermediate gear (4) into rotational motion, whereby manual yaw is achieved by bringing the yaw linkage (8) back and forth via the yaw screw (9) and the yaw nut (6).
5. The electric steering failure remedy device according to claim 1, characterized in that the intermediate gear (4) is fixedly connected with the steering screw (9), the steering screw (9) is in threaded fit with the steering nut (6), the steering nut (6) is provided with a steering nut protrusion (62), the steering link (8) is provided with a steering link hole (81), and the steering nut protrusion (62) is in fit connection with the steering link hole (81).
6. The electrical yaw failure remediation device of claim 2 further comprising a manual yaw gear (3), the rotating head (7) meshing with the manual yaw gear (3), the intermediate gear (4) meshing with the manual yaw gear (3).
7. The device for remedying the failure of the electric bending according to claim 6, wherein when the electric bending of the electric stapler fails, the rotary head (7) is manually driven to move forwards or backwards, so that the internal teeth (71) of the rotary head are engaged with the manual bending gear (3), and the rotary head (7) is engaged with the intermediate gear (4) through the manual bending gear (3) to realize the manual bending.
8. The device for remedying the failure of the electric bending according to claim 6, further comprising an internal gear (5), wherein the internal gear (5) is fixedly connected with the rotating head (7), when the electric bending of the electric anastomat fails, the rotating head (7) is manually driven to move forwards or backwards to enable the rotating head (7) to be meshed with the manual bending gear (3) through the internal gear (5), and meanwhile, the forward or backward movement of the rotating head (7) drives the motor gear (2) to move forwards and backwards to be disengaged from the intermediate gear (4), so that the manual bending is realized.
9. The electrical yaw failure remedy device according to claim 8, characterized in that the inner gear (5) is provided with inner gear protrusions (51), the rotary head (7) is provided with rotary head grooves (73), and the inner gear (5) is fittingly connected with the rotary head grooves (73) of the rotary head (7) through the inner gear protrusions (51).
10. A motorized stapler, characterized in that it comprises a motorized flexion failure remedy according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010068406.9A CN111214267B (en) | 2020-01-20 | 2020-01-20 | Electric bending failure remedying device and electric anastomat thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010068406.9A CN111214267B (en) | 2020-01-20 | 2020-01-20 | Electric bending failure remedying device and electric anastomat thereof |
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| CN111214267A true CN111214267A (en) | 2020-06-02 |
| CN111214267B CN111214267B (en) | 2021-01-12 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN203468670U (en) * | 2013-08-09 | 2014-03-12 | 瑞奇外科器械(中国)有限公司 | Electric bending device of surgical operation instrument and surgical operation instrument |
| CN104337554A (en) * | 2013-08-09 | 2015-02-11 | 瑞奇外科器械(中国)有限公司 | Two-way stroke control switch, bending stroke control device and surgical operating instrument |
| CN203970439U (en) * | 2014-06-27 | 2014-12-03 | 瑞奇外科器械(中国)有限公司 | The deflecting device of surgical operating instrument and surgical operating instrument |
| US9788835B2 (en) * | 2014-09-02 | 2017-10-17 | Ethicon Llc | Devices and methods for facilitating ejection of surgical fasteners from cartridges |
| US20190183503A1 (en) * | 2017-12-15 | 2019-06-20 | Ethicon Llc | Methods of operating surgical end effectors |
| US20190209147A1 (en) * | 2018-01-10 | 2019-07-11 | C.R. Bard, Inc. | Articulating surgical instruments |
| CN109350160A (en) * | 2018-06-06 | 2019-02-19 | 天津万和医疗器械有限公司 | A kind of electronic stapler of the multi-directionally rotation of one-hand operation |
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