CN210019487U - Electronic chamber mirror anastomat resetting means and electronic chamber mirror anastomat - Google Patents
Electronic chamber mirror anastomat resetting means and electronic chamber mirror anastomat Download PDFInfo
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- CN210019487U CN210019487U CN201822243447.8U CN201822243447U CN210019487U CN 210019487 U CN210019487 U CN 210019487U CN 201822243447 U CN201822243447 U CN 201822243447U CN 210019487 U CN210019487 U CN 210019487U
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- 230000003872 anastomosis Effects 0.000 claims abstract description 13
- 230000001960 triggered effect Effects 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 210000003815 abdominal wall Anatomy 0.000 description 5
- 210000000779 thoracic wall Anatomy 0.000 description 4
- 238000002674 endoscopic surgery Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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Abstract
The utility model provides an electric endoscope anastomat resetting device, which comprises a resetting part, a transmission rack, a driven gear and a bracket; the reset part is rotatably connected to the bracket; the reset part comprises an engaging part and a special-shaped clutch plate; the meshing part is coaxially connected with the special-shaped clutch plate, and the special-shaped clutch plate pushes the driven gear to leave the transmission rack after the meshing part is rotated; the meshing part is meshed with the transmission rack; the transmission rack is supported in the bracket in a reciprocating manner; the transmission rack comprises an anastomosis section, a closing section and a resetting section; the anastomosis section is meshed with the driven gear; the closing section and the resetting section are on the same plane, and the engaging parts are respectively engaged with the closing section and the resetting section; when the meshing part is meshed with the reset section, the meshing part pushes the transmission rack to move towards the near end; the closing section is arranged at the far end of the resetting section, and the length of the closing section is not less than the closing stroke of the electric endoscope anastomat; the driven gear is meshed with the transmission rack under the support of the elastic component.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to an electronic chamber mirror anastomat resetting means and electronic chamber mirror anastomat are related to.
Background
The endoscopic surgery uses modern camera technology and high-tech surgical instrument equipment to complete the minimally invasive surgical technology of complicated operations in the chest/abdomen under a chest/abdominal wall sleeve or a tiny incision. Only 1-3 thoracoabdominal wall/abdominal wall small holes of 1.5 cm are needed to be made for completing the endoscopic surgery, and when the endoscopic surgery is performed, a doctor inserts the endoscopic anastomat into the sleeve and performs excision and anastomosis operations on focuses such as lung cancer and the like by matching with surgical equipment such as vascular forceps and the like.
At present, endoscope anastomats mainly have two types: the manual endoscope anastomat is characterized in that a percussion nail bin assembly is controlled to sew tissues manually, a percussion handle needs to be held tightly manually for multiple times in use, a mechanical transmission mechanism of the anastomat pushes the nail bin assembly to be closed and molded, the manual endoscope anastomat needs to have certain requirements on an actual operation method of a doctor, and improper operation can cause traction and tearing of the sewed tissues. The other type is an electric endoscope anastomat, all the movements of the endoscope anastomat can be realized by touching keys on an endoscope fixing handle through fingers of a doctor, although the electric endoscope anastomat is simple and convenient to operate compared with a manual anastomat, when the power supply of the electric endoscope anastomat is powered off or fails, the electric anastomat is not easy to withdraw from a chest/abdominal wall hole, and a nail bin assembly is not easy to take down after the electric endoscope anastomat is withdrawn.
At present, the electric anastomat generally adopts two modes to solve the problems, one mode is that a closing handle is combined with a reset toggle, after the closing handle is toggled, a jaw of a nail bin assembly is closed, the anastomat can be withdrawn from a chest/abdominal wall hole, the reset toggle is toggled, the nail bin assembly is reset to an initial position, the jaw is opened, and the nail bin assembly can be detached from the electric anastomat.
The other mode is that a closing handle is combined with a spiral handle, the closing handle is pulled, the jaw of the nail bin assembly is closed, and after the anastomat is withdrawn, the spiral handle or a screwdriver is used for rotating a reset knob to realize reset.
In both modes, an additional operating device is required, the structure is complex, and the operation is difficult.
Based on this, the utility model provides an electronic chamber mirror anastomat resetting means and electronic chamber mirror anastomat are in order to solve foretell technical problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic chamber mirror anastomat resetting means to the technical problem who needs to increase operating means in addition that resets that exists among the solution prior art, the structure is complicated, difficult operation.
An object of the utility model is also to provide an electronic chamber mirror anastomat, electronic chamber mirror anastomat includes above-mentioned electronic chamber mirror anastomat resetting means for solve current electronic chamber mirror anastomat and reset and need increase operating means in addition, the structure is complicated, the technical problem of difficult operation.
Based on the first purpose, the utility model provides an electric endoscope anastomat resetting device, which comprises a resetting part, a transmission rack, a driven gear and a bracket;
the reset part is rotatably connected to the bracket; the reset part comprises an engaging part and a special-shaped clutch plate; the meshing part is coaxially connected with the special-shaped clutch plate, and the special-shaped clutch plate pushes the driven gear to leave the transmission rack after the meshing part is rotated; the meshing part is meshed with the transmission rack;
the transmission rack is supported in the bracket in a reciprocating manner; the transmission rack comprises an anastomosis section, a closing section and a resetting section; the anastomosis section is meshed with the driven gear; the closing section and the resetting section are on the same plane, and the engaging parts are respectively engaged with the closing section and the resetting section; when the meshing part is meshed with the reset section, the meshing part pushes the transmission rack to move towards the near end; the closing section is arranged at the far end of the resetting section, and the length of the closing section is not less than the closing stroke of the electric endoscope anastomat;
the driven gear is meshed with the transmission rack under the support of the elastic component.
Optionally, in the resetting device for the electric endoscope anastomat, the engaging part comprises a resetting pushing tooth, a resetting closing tooth piece and a resetting toggle; the special-shaped clutch plate, the reset closing tooth plate and the reset toggle button are sequentially connected through a pin shaft; the pin shaft is fixed on the bracket; the reset pushing tooth is rotationally fixed on one surface of the reset toggle far away from the reset closing tooth piece, and the reset pushing tooth is arranged at the far end of the pin shaft relative to the rotating shaft of the reset toggle.
Optionally, in the resetting device for the electric endoscope anastomat, the height of the special-shaped clutch plate is smaller than the length of the special-shaped clutch plate, the meshing of the driven gear and the transmission rack is not affected by the height direction of the special-shaped clutch plate before the resetting toggle is toggled, and after the resetting toggle is toggled, the length direction of the special-shaped clutch plate is in contact with the driven gear and pushes the driven gear to move against the elastic force of the elastic member until the driven gear is separated from the transmission rack; the outer side of the special-shaped clutch plate in the height direction is provided with a bulge, and after the driven gear is pushed away from the transmission rack, the bulge abuts against the tooth side of the driven gear to prevent the special-shaped clutch plate from moving back;
the special-shaped clutch plate is provided with a limiting groove, and the reset toggle is provided with a limiting block; the reset toggle button pushes one side of the limit groove through the limit block to enable the special-shaped clutch plate to rotate, and the reset toggle button rotates in the limit range of the limit groove.
Optionally, in the resetting device for the electric endoscope anastomat, meshing teeth are arranged on the outer side of the resetting closing tooth piece, and the circumferential length of the meshing teeth is not less than the length of the closing section.
Optionally, in the electric endoscope anastomat resetting device, the resetting part further comprises a limiting piece; the reset toggle button is provided with a first limiting piece mounting groove; a second limiting piece mounting groove is formed in the reset closing tooth piece; spacing piece one end inserts spacing piece mounting groove, the other end can swing and insert spacing piece mounting groove of second.
The limit piece is arranged, so that a certain fine adjustment amount can exist when the reset closing tooth piece is matched with the closing section, and the reset closing tooth piece and the closing section can be meshed more smoothly.
Optionally, in the resetting device for the electric endoscope anastomat, a limiting column is arranged on the resetting toggle; a waist hole is formed in the reset closing tooth piece; the limiting column is inserted into the waist hole.
The installation that sets up spacing post closed tooth piece that can conveniently reset also can restrict the range of regulation of the closed tooth piece that resets simultaneously, prevents to take place the dislocation.
Optionally, in the resetting device for the electric endoscope stapler, a plane where the anastomosis section of the transmission rack is located is perpendicular to planes where the closing section and the resetting section are located; the closed section and the reset section are arranged in a staggered mode, the closed reset tooth sheet is meshed with the closed section, and the reset push tooth is meshed with the reset section.
Optionally, in the resetting device for the electric endoscope anastomat, the resetting section is of a ratchet structure; the reset push tooth is of a pawl structure; the reset pushing tooth support platform is arranged on the support and supports the reset pushing tooth to be not in contact with the reset section before the reset toggle button is toggled, and after the reset toggle button is toggled, the reset pushing tooth slides down from the reset pushing tooth support platform and is meshed with the reset section; the reset pushing teeth push the transmission rack to move towards the near end through the reset section.
Optionally, the reset device of the electric endoscope anastomat is characterized in that the support is provided with a torsion spring pin shaft, the torsion spring pin shaft is provided with a tooth pushing torsion spring, and the tooth pushing torsion spring is abutted to the reset tooth pushing part.
The arrangement of the torsion spring can ensure that the reset push tooth is more firmly meshed with the reset section ratchet.
Based on the second purpose, the utility model provides an electric endoscope anastomat, which comprises a nail bin assembly, a gun barrel assembly, a turning knob, an anastomat main body, a fixed handle and an electric endoscope anastomat resetting device;
the nail bin assembly, the gun barrel assembly, the turning knob, the anastomat main body and the fixed handle are sequentially connected;
the anastomat main body is provided with a manual reset cover, the electric endoscope anastomat reset device is fixed in the anastomat main body, and the electric endoscope anastomat reset device can be operated by opening the manual reset cover.
The utility model provides an electric endoscope anastomat resetting device which comprises a resetting part, a transmission rack, a driven gear and a bracket; the reset part is rotatably connected to the bracket; the reset part comprises an engaging part and a special-shaped clutch plate; the meshing part is coaxially connected with the special-shaped clutch plate, and the special-shaped clutch plate pushes the driven gear to leave the transmission rack after the meshing part is rotated; the meshing part is meshed with the transmission rack; the transmission rack is supported in the bracket in a reciprocating manner; the transmission rack comprises an anastomosis section, a closing section and a resetting section; the anastomosis section is meshed with the driven gear; the closing section and the resetting section are on the same plane, and the engaging parts are respectively engaged with the closing section and the resetting section; when the meshing part is meshed with the reset section, the meshing part pushes the transmission rack to move towards the near end; the closing section is arranged at the far end of the resetting section, and the length of the closing section is not less than the closing stroke of the electric endoscope anastomat; the driven gear is meshed with the transmission rack under the support of the elastic component. Guaranteed to realize through a device of portion that resets that to make driven gear and drive rack disengage, made drive rack return initial position, nail storehouse subassembly open the back of keeping silent, can also make through the portion that resets and keep silent reclosing, open after the closure again. Thereby solved current electronic chamber mirror anastomat and reset and need increase operating means in addition, the technical problem of structure complicacy, difficult operation.
The electric endoscope anastomat provided by the utility model comprises an electric endoscope anastomat resetting device; therefore, the reset device has all the advantages of the reset device of the upper electric endoscopic anastomat.
Based on this, the utility model discloses compare prior art, have and realize that nail storehouse subassembly resets, the closed multiple function that resets again through a device, simple structure, the advantage of easily operating.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an appearance view of an electric endoscope anastomat resetting device provided by the embodiment of the utility model;
FIG. 2 is an enlarged view of the electric endoscopic stapler resetting device of FIG. 1;
fig. 3 is a schematic cross-sectional structure view of the resetting device of the electric endoscope anastomat provided by the embodiment of the utility model;
FIG. 4 is an enlarged view of the electric endoscopic stapler repositioning device of FIG. 3;
fig. 5 is a schematic structural view of the electric endoscope anastomat resetting device provided by the embodiment of the utility model with the bracket removed;
FIG. 6 is an enlarged view of the electric endoscopic stapler repositioning device of FIG. 5 with the stent removed;
fig. 7 is a cross-sectional view of the resetting device of the electric endoscope anastomat provided by the embodiment of the utility model when the resetting toggle is pulled;
fig. 8 is a schematic structural diagram of a transmission rack according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a special-shaped clutch plate according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a reset closing tooth piece provided in an embodiment of the present invention;
fig. 11 is a schematic structural view of the electric endoscopic stapler except the external part of the staple cartridge assembly according to the embodiment of the present invention;
fig. 12 is a schematic view of a nail bin assembly of the electric endoscope stapler provided by the embodiment of the present invention.
Icon: 1-a barrel assembly; 22-a turn knob; 31-fixed handle; 35-manual reset cover; 60-a reset knob; 61-shaped clutch plate; 62-resetting the closing tooth sheet; 63-resetting the pushing teeth; 64-limiting sheet; 65-pushing tooth torsion spring; 66-torsion spring pin shaft; 308-clutch pressing sheet; 309-gear support spring; 311-driven gear; 312-a drive rack; 312-1, a closed segment; 312-2-reset segment; 51-cartridge assembly.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the term "proximal" refers to a direction approaching the operator, and the term "distal" refers to a direction away from the operator.
In addition, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 2-10, the present embodiment provides an electric endoscopic stapler resetting device, which includes a resetting portion, a transmission rack, a driven gear and a bracket;
the reset part is rotatably connected to the bracket; the reset part comprises an engaging part and a special-shaped clutch plate; the meshing part is coaxially connected with the special-shaped clutch plate, and the special-shaped clutch plate pushes the driven gear to leave the transmission rack after the meshing part is rotated; the meshing part is meshed with the transmission rack; the transmission rack is supported in the bracket in a reciprocating manner; the transmission rack comprises an anastomosis section, a closing section and a resetting section; the anastomosis section is meshed with the driven gear; the closing section and the resetting section are on the same plane, and the engaging parts are respectively engaged with the closing section and the resetting section; when the meshing part is meshed with the reset section, the meshing part pushes the transmission rack to move towards the near end; the closing section is arranged at the far end of the resetting section, and the length of the closing section is not less than the closing stroke of the electric endoscope anastomat; the driven gear is meshed with the transmission rack under the support of the elastic component.
The driven gear is connected with a motor of the electric endoscope anastomat in a synchronous rotating mode through an elastic component.
A clutch pressing plate can be arranged above the driven gear, so that the force of the special-shaped clutch plate acting on the driven gear is kept balanced.
When the electric anastomat breaks down, the reset part rotates towards the far end, the opposite sex clutch plate rotates, meanwhile, the driven gear is pushed to overcome the elastic force of the elastic part to move downwards, and then the driven gear is separated from the transmission rack, at the moment, the movement of the rack is not influenced by the motor any more, and the driven gear is completely controlled by the reset part. If the nail bin assembly is in failure at the position from closing to half or after closing, the meshing part is positioned in the middle or the most near end of the closing section, the meshing part is meshed with the transmission rack at the moment, the reset part is continuously rotated towards the far end, the meshing part pushes the transmission rack to move towards the near end, the nail bin assembly is gradually opened along with the movement of the rack, tissues clamped in the nail bin assembly are released until the nail bin assembly is completely opened, the reset is completed, and the meshing part is meshed with the closing section at the moment. At the moment, the reset part rotates reversely, the transmission rack moves towards the far end under the action of the meshing part, and the length of the closing section is not less than the closing stroke of the electric endoscope anastomat, so that the staple cartridge assembly can be closed by the reset part rotating reversely, and the staple cartridge assembly can be withdrawn from the chest/abdominal wall hole. After withdrawal, the reset portion is again rotated distally to reset the cartridge assembly, thereby allowing the cartridge assembly to be removed.
In an alternative version of this embodiment, as shown in FIGS. 3-7, the engagement portion includes a reset pushing tooth, a reset closing tooth and a reset toggle; the special-shaped clutch plate, the reset closing tooth plate and the reset toggle button are sequentially connected through a pin shaft; the pin shaft is fixed on the bracket; the reset pushing tooth is rotationally fixed on one surface of the reset toggle far away from the reset closing tooth piece, and the reset pushing tooth is arranged at the far end of the pin shaft relative to the rotating shaft of the reset toggle.
Because the reset push tooth and the reset closing tooth sheet are separated by the reset toggle, the meshing part can not be influenced mutually when being meshed with the closing section and the reset section respectively, and the stability and the safety of the device are ensured. The reset pushing tooth is arranged at the far end of the pin shaft relative to the rotating shaft of the reset toggle button, so that the reset pushing tooth is driven to do reciprocating motion when the reset toggle button rotates.
As shown in fig. 9, in an alternative of this embodiment, the height of the special-shaped clutch plate is smaller than the length, the height direction of the special-shaped clutch plate does not affect the engagement between the driven gear and the transmission rack before the reset knob is toggled, and after the reset knob is toggled, the length direction of the special-shaped clutch plate contacts with the driven gear and pushes the driven gear to move against the elastic force of the elastic member until the driven gear is disengaged from the transmission rack; the outer side of the special-shaped clutch plate in the height direction is provided with a bulge, and after the driven gear is pushed away from the transmission rack, the bulge abuts against the tooth side of the driven gear to prevent the special-shaped clutch plate from moving back;
the special-shaped clutch plate is provided with a limiting groove, and the reset toggle is provided with a limiting block; the reset toggle button pushes one side of the limit groove through the limit block to enable the special-shaped clutch plate to rotate, and the reset toggle button rotates in the limit range of the limit groove.
When the reset toggle is rotated, the special-shaped clutch plate pushes the driven gear downwards until the driven gear is separated from the transmission rack, and the outer side of the height direction of the special-shaped clutch plate is provided with a bulge, so that the driven gear is pushed away from the transmission rack, the bulge abuts against the tooth side of the driven gear, the special-shaped clutch plate is prevented from moving back, the motor can be kept from influencing the movement of the transmission rack, and the stability of the device is ensured. Due to the arrangement of the limiting groove, the reset toggle can still rotate within a required range, and the reset closing tooth piece is driven to rotate and the reset pushing tooth reciprocates.
In an alternative of this embodiment, as shown in fig. 10, the outside of the reset closure blade is provided with engaging teeth, the circumferential length of which is not less than the length of the closure segment. So as to ensure that the reset closing tooth sheet can be effectively meshed with the closing section to complete the closing of the jaw.
The reset closed tooth piece can be provided with a round hole to reduce weight, and the through-shaft hole on the reset closed tooth piece can be expanded outwards to form more than one groove so as to reduce the friction force of the round hole on the pin shaft.
As shown in fig. 1-4 and 10, in an alternative of this embodiment, the reset portion further includes a limiting plate; the reset toggle button is provided with a first limiting piece mounting groove; a second limiting piece mounting groove is formed in the reset closing tooth piece; spacing piece one end inserts spacing piece mounting groove, the other end can swing and insert spacing piece mounting groove of second.
The limit piece is arranged, so that a certain fine adjustment amount can exist when the reset closing tooth piece is matched with the closing section, and the reset closing tooth piece and the closing section can be meshed more smoothly.
As shown in fig. 10, in an alternative of this embodiment, a limiting post (not shown) is disposed on the reset knob; a waist hole is formed in the reset closing tooth piece; the limiting column is inserted into the waist hole.
The installation that sets up spacing post closed tooth piece that can conveniently reset also can restrict the range of regulation of the closed tooth piece that resets simultaneously, prevents to take place the dislocation.
In an alternative of this embodiment, as shown in fig. 8, the plane of the anastomotic segment of the transmission rack is perpendicular to the plane of the closing segment and the restoring segment; the closed section and the reset section are arranged in a staggered mode, the closed reset tooth sheet is meshed with the closed section, and the reset push tooth is meshed with the reset section.
Therefore, the action of downward movement of the driven gear, the reset action and the closing action are respectively generated at different positions of the rack, and the actions do not interfere with each other, so that the stability, the safety and the reliability of the device are ensured.
In an alternative of this embodiment, as shown in fig. 8, the reset segment is of a ratchet configuration; the reset push tooth is of a pawl structure; the reset pushing tooth support platform is arranged on the support and supports the reset pushing tooth to be not in contact with the reset section before the reset toggle button is toggled, and after the reset toggle button is toggled, the reset pushing tooth slides down from the reset pushing tooth support platform and is meshed with the reset section; the reset pushing teeth push the transmission rack to move towards the near end through the reset section.
When the reset toggle button is rotated towards the far end, the reset push tooth can push the transmission rack to move towards the near end, when the reset toggle button is rotated in the reverse direction, the pawl structure of the reset push tooth slips on the ratchet structure of the reset section, acting force is not generated on the transmission rack, and therefore when the reset push tooth is meshed with the reset section, force towards the near end can only be generated on the transmission rack, the transmission rack moves towards the near end, and the jaw can be opened smoothly. And when the closing action is carried out, the reverse rotation of the reset toggle button can not influence the movement of the rack towards the far end.
As shown in fig. 3 to 6, in the alternative of this embodiment, a torsion spring pin is provided on the bracket, a tooth pushing torsion spring is provided on the torsion spring pin, and the tooth pushing torsion spring abuts against the reset tooth pushing.
The arrangement of the torsion spring can ensure that the reset push tooth is more firmly meshed with the reset section ratchet.
Example two
As shown in fig. 11-12, this embodiment provides an electric endoscopic stapler, which comprises a nail bin assembly, a gun barrel assembly, a turning knob, a stapler body, a fixed handle and the electric endoscopic stapler resetting device;
the nail bin assembly, the gun barrel assembly, the turning knob, the anastomat main body and the fixed handle are sequentially connected;
the anastomat main body is provided with a manual reset cover, the electric endoscope anastomat reset device is fixed in the anastomat main body, and the electric endoscope anastomat reset device can be operated by opening the manual reset cover.
When the electric endoscope anastomat breaks down, the manual reset cover is opened, the reset part is rotated towards the far end, the transmission rack is enabled to move towards the near end, the transmission rack drives the gun barrel assembly, and then the jaw of the nail bin assembly is driven to be opened, and reset is completed; the reverse rotation resets the portion, makes the transmission rack move to the distal end, and the transmission rack drives the barrel subassembly, and then drives the jaw closure of nail storehouse subassembly, and the portion that resets is rotated to the distal end again, and the jaw of nail storehouse subassembly opens once more, accomplishes and resets.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A reset device of an electric endoscope anastomat is characterized by comprising a reset part, a transmission rack, a driven gear and a bracket;
the reset part is rotatably connected to the bracket; the reset part comprises an engaging part and a special-shaped clutch plate; the meshing part is coaxially connected with the special-shaped clutch plate, and the special-shaped clutch plate pushes the driven gear to leave the transmission rack after the meshing part is rotated; the meshing part is meshed with the transmission rack;
the transmission rack is supported in the bracket in a reciprocating manner; the transmission rack comprises an anastomosis section, a closing section and a resetting section; the anastomosis section is meshed with the driven gear; the closing section and the resetting section are on the same plane, and the engaging parts are respectively engaged with the closing section and the resetting section; when the meshing part is meshed with the reset section, the meshing part pushes the transmission rack to move towards the near end; the closing section is arranged at the far end of the resetting section, and the length of the closing section is not less than the closing stroke of the electric endoscope anastomat;
the driven gear is meshed with the transmission rack under the support of the elastic component.
2. The electric endoscopic stapler resetting device according to claim 1, wherein the engaging part comprises a resetting pushing tooth, a resetting closing tooth piece and a resetting toggle; the special-shaped clutch plate, the reset closing tooth plate and the reset toggle button are sequentially connected through a pin shaft; the pin shaft is fixed on the bracket; the reset pushing tooth is rotationally fixed on one surface of the reset toggle far away from the reset closing tooth piece, and the reset pushing tooth is arranged at the far end of the pin shaft relative to the rotating shaft of the reset toggle.
3. The electric endoscope anastomat resetting device according to claim 2, wherein the special-shaped clutch piece is shorter than the length, the height direction of the special-shaped clutch piece does not affect the meshing of the driven gear and the transmission rack before the resetting trigger is triggered, and after the resetting trigger is triggered, the length direction of the special-shaped clutch piece is in contact with the driven gear and pushes the driven gear to move against the elastic force of the elastic component until the driven gear is separated from the transmission rack; the outer side of the special-shaped clutch plate in the height direction is provided with a bulge, and after the driven gear is pushed away from the transmission rack, the bulge abuts against the tooth side of the driven gear to prevent the special-shaped clutch plate from moving back;
the special-shaped clutch plate is provided with a limiting groove, and the reset toggle is provided with a limiting block; the reset toggle button pushes one side of the limit groove through the limit block to enable the special-shaped clutch plate to rotate, and the reset toggle button rotates in the limit range of the limit groove.
4. The electric endoscopic stapler resetting device according to claim 2, wherein the resetting and closing tooth piece is provided with engaging teeth at the outer side, and the circumferential length of the engaging teeth is not less than the length of the closing section.
5. The electric endoscope anastomat resetting device according to claim 2, wherein the resetting part further comprises a limiting piece; the reset toggle button is provided with a first limiting piece mounting groove; a second limiting piece mounting groove is formed in the reset closing tooth piece; spacing piece one end inserts spacing piece mounting groove, the other end can swing and insert spacing piece mounting groove of second.
6. The electric endoscope anastomat resetting device according to claim 2, wherein the resetting toggle button is provided with a limiting column; a waist hole is formed in the reset closing tooth piece; the limiting column is inserted into the waist hole.
7. The electric endoscopic stapler resetting device according to claim 2, wherein the plane of the anastomosis section of the transmission rack is perpendicular to the plane of the closing section and the resetting section; the closed section and the reset section are arranged in a staggered mode, the reset closed tooth sheet is meshed with the closed section, and the reset push tooth is meshed with the reset section.
8. The electric endoscopic stapler resetting device according to claim 2, wherein the resetting section is a ratchet structure; the reset push tooth is of a pawl structure; the reset pushing tooth support platform is arranged on the support and supports the reset pushing tooth to be not in contact with the reset section before the reset toggle button is toggled, and after the reset toggle button is toggled, the reset pushing tooth slides down from the reset pushing tooth support platform and is meshed with the reset section; the reset pushing teeth push the transmission rack to move towards the near end through the reset section.
9. The electric endoscope anastomat resetting device according to claim 2, wherein the support is provided with a torsion spring pin, the torsion spring pin is provided with a tooth pushing torsion spring, and the tooth pushing torsion spring is abutted to the resetting tooth pushing.
10. An electric endoscope anastomat, which comprises a nail bin assembly, a gun barrel assembly, a turning knob, an anastomat main body, a fixed handle and an electric endoscope anastomat resetting device of any one of claims 1 to 9; it is characterized in that the preparation method is characterized in that,
the nail bin assembly, the gun barrel assembly, the turning knob, the anastomat main body and the fixed handle are sequentially connected;
the anastomat main body is provided with a manual reset cover, the electric endoscope anastomat reset device is fixed in the anastomat main body, and the electric endoscope anastomat reset device can be operated by opening the manual reset cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822243447.8U CN210019487U (en) | 2018-12-29 | 2018-12-29 | Electronic chamber mirror anastomat resetting means and electronic chamber mirror anastomat |
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| CN201822243447.8U CN210019487U (en) | 2018-12-29 | 2018-12-29 | Electronic chamber mirror anastomat resetting means and electronic chamber mirror anastomat |
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| CN210019487U true CN210019487U (en) | 2020-02-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498090A (en) * | 2018-12-29 | 2019-03-22 | 北京派尔特医疗科技股份有限公司 | A kind of electronic hysteroscope stapler resetting apparatus and electronic hysteroscope stapler |
-
2018
- 2018-12-29 CN CN201822243447.8U patent/CN210019487U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498090A (en) * | 2018-12-29 | 2019-03-22 | 北京派尔特医疗科技股份有限公司 | A kind of electronic hysteroscope stapler resetting apparatus and electronic hysteroscope stapler |
| CN109498090B (en) * | 2018-12-29 | 2023-12-15 | 北京派尔特医疗科技股份有限公司 | Electric endoscope anastomat resetting device and electric endoscope anastomat |
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