CN112587191A - Trigger assembly of anastomat and anastomat - Google Patents
Trigger assembly of anastomat and anastomat Download PDFInfo
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- CN112587191A CN112587191A CN202011471780.XA CN202011471780A CN112587191A CN 112587191 A CN112587191 A CN 112587191A CN 202011471780 A CN202011471780 A CN 202011471780A CN 112587191 A CN112587191 A CN 112587191A
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
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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
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
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- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Animal Behavior & Ethology (AREA)
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Abstract
The invention provides a percussion assembly of an anastomat and the anastomat, which comprise a shell, a driving wheel, a driven wheel, a transmission chain, a sliding assembly, a rack, a push rod, a support assembly, a telescopic rod, a fixing plate, a motor, a transmission assembly, a driving circuit board, a storage battery, an operating switch, a fixing assembly, a limiting mechanism and a charging seat, wherein the position of the driven wheel is moved, and the transmission chain extrudes the compression rod after the driven wheel moves, so that the radius of the driving wheel is reduced; after the push rod advances, the normally closed limit switch is pushed by the pushing plate at the bottom, so that a circuit of a motor driving the push rod to advance can be disconnected, the push rod can be automatically stopped after the push rod is in place, and the tissue to be sutured is prevented from being damaged due to excessive movement and extrusion of the push rod.
Description
Technical Field
The invention relates to the technical field of medical suturing equipment, in particular to a percussion assembly of an anastomat and the anastomat.
Background
An anastomat is a surgical operation instrument, and is mainly used for the separation, excision or establishment of anastomosis of tissues, the anastomat is generally applied to the surgical operations of departments such as general surgery, thoracic surgery, urology surgery, obstetrics and gynecology, paediatrics and the like, and most of the existing anastomats are purely manually operated instruments. Manual operation is the firing action to the anastomotic tissue with the realization of pure mechanical system, and the cutting closure of anastomotic stoma just can be accomplished to the power of firing that the firing process needs huge firing, and is extremely high to user's requirement, in case the not good very easy cause apparatus firing motionless or can only fire half of skill and dynamics grasp, and the power of firing is not enough can influence the tissue closure effect, leads to cutting closure incomplete, finally leads to the operation failure, and the risk is extremely high. In order to reduce the difficulty of manual operation, the electric-driven anastomat is gradually researched and developed and used, the stability of the electric-driven anastomat during surgical cutting and anastomosis is improved, the use condition of doctors is greatly improved, and therefore the electric-driven anastomat is more and more widely applied.
The publication number is CN111803164A, which provides an electric pushing device for percussion stapler and an electric stapler, wherein a driving motor rotates to drive a transmission gear to rotate so as to drive a percussion gear to rotate, and further provide a driving force for percussion of longitudinal translation of a push rod.
Disclosure of Invention
The present invention is directed to a firing assembly of a stapler and a stapler, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a firing assembly for a stapler comprising a housing, a driver, a driven wheel, and a conveyor chain, wherein:
the shell is internally provided with a driving wheel, the shell is provided with a fixed assembly, the fixed assembly is provided with a driven wheel, the driving wheel is connected with the driven wheel through transmission chain, the driving wheel is connected with the driven wheel through a telescopic rod, the upper part of the driven wheel is meshed with a rack, the side edge of the rack is provided with a sliding assembly, the other end of the sliding assembly is connected on the inner side wall of the shell in a sliding way, a bracket assembly is fixed outside the shell, a push rod is arranged inside the bracket assembly, one end of the push rod is connected with the rack, a fixed plate is arranged inside the shell, a motor is arranged in the fixed plate, the motor is coaxially connected with the transmission assembly, the transmission assembly drives the driving wheel to rotate, a driving circuit board and a storage battery are arranged inside the shell, an operating switch is installed on the shell of the shell;
the storage battery is electrically connected with the driving circuit board and is used for providing power for the driving circuit board; the driving circuit board is electrically connected with the motor and is used for driving the motor to rotate forwards and backwards; the operation switch is electrically connected with the driving circuit board and used for operating the motor to rotate, and the charging seat is electrically connected with the storage battery and used for charging the storage battery;
the driving wheel consists of a main rotating shaft, a fixed cylinder, a compression rod, a distribution wheel, an extrusion spring and a fixed seat, the fixed seat is arranged at the inner side of the shell, the main rotating shaft is arranged on the fixed seat, six fixed cylinders are uniformly arranged around the main rotating shaft, an extrusion spring is arranged in the fixed cylinder, one end of the compression rod is clamped in the fixed cylinder, the other end of the compression rod is provided with a distribution wheel, the driven wheel consists of a driven rotating shaft, a driven gear and a connecting gear, the driven shaft is provided with a driven gear and a connecting gear, the driven gear and the distributing wheel are connected through a transmission chain, the lower part of the rack is meshed with the connecting gear, the main rotating shaft and the auxiliary rotating shaft are respectively fixed on the telescopic rod, and the telescopic rod can freely stretch out and draw back, and the fixed component can move on the shell so as to adjust the position of the driven rotating shaft.
Preferably, the sliding assembly comprises a longitudinal sliding rod, a transverse sliding rod and a sliding chute, the longitudinal sliding rod and the transverse sliding rod are fixed on the upper surface and the side surface of the rack respectively, the sliding chute is installed on the upper end surface and the side surface of the inner side of the shell, and the other ends of the longitudinal sliding rod and the transverse sliding rod are clamped in the sliding chute and can slide in the sliding chute.
Preferably, the telescopic link comprises storage rod and extension rod, the storage rod is fixed on the main rotating shaft, the extension rod is fixed on the auxiliary rotating shaft, and the other end of the extension rod is sleeved in the storage rod and can move in the storage rod.
Preferably, the number of the motors is two, the motors are uniformly distributed on two sides of the driving wheel, the two driving circuit boards are used for respectively driving the two motors independently, and the two motors are controlled by the operating switch to rotate towards opposite directions all the time.
Preferably, the number of the connecting gears is two, the connecting gears are evenly distributed on two sides of the driven gear, the rack is U-shaped, and two ends of the rack are respectively meshed with the connecting gears.
Preferably, the fixed subassembly comprises interior pinion rack, a rotary drum, outer pinion rack and positioning spring, be provided with the regulation mouth on the shell, the inboard regulation mouth both sides of shell are fixed with interior pinion rack, be fixed with outer pinion rack on the rotary drum, from the pivot card in boring the rotary drum, the rotary drum is installed in the regulation mouth, install positioning spring in the rotary drum, outer pinion rack and the meshing of interior pinion rack are fixed with the rotary drum together.
Preferably, shell internally mounted has stop gear, stop gear comprises catch plate and normally closed limit switch, the bottom of push rod is fixed with the catch plate, shell internally fixed has normally closed limit switch, catch plate and normally closed limit switch are same level setting, normally closed limit switch establishes ties in the drive circuit that advances of motor.
Preferably, the transmission assembly comprises a transmission gear, a bevel gear and a transmission rod, the transmission gear is mounted on the main rotating shaft, the motor is coaxially connected with the transmission rod, the bevel gear is fixed at the other end of the transmission rod, and the bevel gear is meshed with the transmission gear.
The invention also provides an anastomat which adopts the percussion assembly, wherein the percussion assembly is connected with the suture assembly and can drive the nail bin of the suture assembly to move.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the position of the driven wheel is moved, and the transmission chain is enabled to extrude the compression rod after the driven wheel moves, so that the radius of the driving wheel is reduced, under the condition that the rotating speed of the driving wheel is not changed, the rotating speed of the driven wheel is changed by changing the radius of the driving wheel, the advancing speed of the push rod connected with the rack is changed, the pushing advancing speed of the push rod can be freely adjusted and changed according to requirements, and the applicability of the push rod is wider;
2. after the push rod advances, the normally closed limit switch is pushed by the pushing plate at the bottom, so that a circuit of a motor driving the push rod to advance can be disconnected, the push rod can be automatically stopped after the push rod is in place, and the tissue to be sutured is prevented from being damaged due to excessive movement and extrusion of the push rod.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall exploded structure of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic view of the overall structure of the driven wheel of the present invention after moving;
FIG. 5 is a schematic view of the driving wheel structure of the present invention;
FIG. 6 is a schematic view of a fixing member according to the present invention;
FIG. 7 is a schematic top view of the present invention;
FIG. 8 is a schematic view of the overall external structure of the present invention;
FIG. 9 is a schematic diagram of the motor operating circuit of the present invention.
In the figure: the device comprises a shell, a driving wheel, a main rotating shaft 201, a fixed cylinder 202, a compression rod 203, a distribution wheel 204, a spring 205 extruding, a fixed seat 206, a driven wheel 3, a driven rotating shaft 301, a driven gear 302, a connecting gear 303, a transmission chain 4, a sliding assembly 5, a longitudinal sliding rod 501, a transverse sliding rod 502, a sliding chute 503, a rack 6, a push rod 7, a support assembly 8, a telescopic rod 9, a receiving rod 901, an extension rod 902, a fixed plate 10, a motor 11, a transmission assembly 12, a transmission gear 1201, a bevel gear 1202, a transmission rod 1203, a driving circuit board 13, a storage battery 14, an operating switch 15, a fixed assembly 16, an inner toothed plate 1601, a rotating cylinder 1602, an outer toothed plate 1603, a positioning spring 1604, an adjusting opening 161, a limiting mechanism 17, a pushing plate 1701, a normally.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1 to 8, the present invention provides a technical solution:
the utility model provides a trigger subassembly of anastomat, includes shell 1, action wheel 2, follows driving wheel 3, transfer link 4, sliding assembly 5, rack 6, push rod 7, bracket component 8, telescopic link 9, fixed plate 10, motor 11, transmission assembly 12, dirver circuit board 13, battery 14, operating switch 15, fixed subassembly 16, stop gear 17 and charging seat 18, wherein:
the utility model discloses a solar energy collecting device, including shell 1, be provided with drive wheel 2 in the shell 1, be provided with fixed subassembly 16 on the shell 1, install on the fixed subassembly 16 and follow driving wheel 3, drive wheel 2 and follow driving wheel 3 and be connected through the transmission of transfer chain 4, be connected through telescopic link 9 between drive wheel 2 and the driven driving wheel 3, drive wheel 2 comprises main pivot 201, a fixed cylinder 202, compression rod 203, distribution wheel 204, extrusion spring 205 and fixing base 206, fixing base 206 is installed in the inboard of shell 1, main pivot 201 is installed on fixing base 206, six fixed cylinders 202 are evenly installed around main pivot 201, the internally mounted of fixed cylinder 202 has extrusion spring 205, the one end card of compression rod 203 is in the inside of fixed cylinder 202, compression rod 203 can move in the inside of fixed cylinder 202, when oppressing rod 203 and compressing, can change the size of drive wheel 2, the other end of the compression rod 203 is provided with a distribution wheel 204, the driven wheel 3 is composed of a driven rotating shaft 301, a driven gear 302 and a connecting gear 303, the driven rotating shaft 301 is provided with the driven gear 302 and the connecting gear 303, the driven gear 302 and the distribution wheel 204 are in transmission connection through a transmission chain 4, the lower part of the rack 6 is meshed with the connecting gear 303, the connecting gear 303 is provided with two connecting gears 303 which are uniformly distributed on two sides of the driven gear 302, the rack 6 is U-shaped, two ends of the rack 6 are respectively meshed with the connecting gear 303, the main rotating shaft 201 and the driven rotating shaft 301 are respectively fixed on a telescopic rod 9, the telescopic rod can freely stretch, the telescopic rod 9 is composed of a containing rod 901 and an extension rod 902, the containing rod 901 is fixed on the main rotating shaft 201, the extension rod 902 is fixed on the driven rotating shaft 301, and the other end of the extension rod 902 is sleeved in the containing rod 901, and is movable inside the receiving rod 901, when the driven wheel 3 moves, the extension rod 902 can move along with the receiving rod, and the fixing component 16 can move on the shell 1 so as to adjust the position of the driven shaft 301.
The fixing assembly 16 is composed of an inner toothed plate 1601, a rotary cylinder 1602, an outer toothed plate 1603 and a positioning spring 1604, the casing 1 is provided with an adjusting opening 161, the inner toothed plate 1601 is fixed on two sides of the adjusting opening 161 inside the casing 1, the outer toothed plate 1603 is fixed on the rotary cylinder 1602, the driven shaft 301 is clamped in the drill rotary cylinder 1602, the rotary cylinder 1602 is installed in the adjusting opening 161, the positioning spring 1604 is installed in the rotary cylinder 1602, the outer toothed plate 1603 and the inner toothed plate 1601 are meshed together to fix the rotary cylinder 1602, when the position of the driven wheel 3 is adjusted, after the rotary cylinder 1602 is pressed down, the outer toothed plate 1603 moves inwards along with the rotary cylinder 1602, the outer toothed plate 1603 is separated from the inner toothed plate 1601, the rotary cylinder 1602 can be moved along the adjusting opening 161 at the moment, so as to drive the driven wheel 3 to move, when the driven wheel 3 reaches a proper position, the rotary cylinder is loosened, the outer toothed plate 1603 is reset under the elastic force of the positioning spring 1604, let outer toothed plate 1603 block again on interior pinion rack 1601, reach the fixed effect from driving wheel 3 to new position, remove the back from driving wheel 3, let driving chain 4 extrusion compression pole 203, thereby reduce the radius of action wheel 2, under the unchangeable condition of the rotational speed of action wheel 2, through the radius that changes action wheel 2, and then change the rotational speed from driving wheel 3, and then change the push rod 7 rate of advance that is connected with rack 6, can be according to the adjustment of demand freedom and the promotion rate of advance that changes push rod 7, make its suitability more extensive.
The upper portion of the driven wheel 3 is connected with a rack 6 in a meshed mode, the side edge of the rack 6 is provided with a sliding assembly 5, the other end of the sliding assembly 5 is connected to the inner side wall of the shell 1 in a sliding mode, the sliding assembly 5 is composed of a longitudinal sliding rod 501, a transverse sliding rod 502 and a sliding groove 503, the upper face and the side face of the rack 6 are respectively fixed with the longitudinal sliding rod 501 and the transverse sliding rod 502, the sliding groove 503 is installed on the upper end face and the side face of the inner side of the shell 1, the other ends of the longitudinal sliding rod 501 and the transverse sliding rod 502 are clamped in the sliding groove 503 and can slide in the sliding groove 503, the rack 6 is limited, the rack 6 is enabled to move more smoothly, a support assembly 8 is fixed on the outer portion of the shell 1, a push rod 7 is arranged inside the support assembly 8, one end of the push rod 7 is connected with the rack, the motor 11 is coaxially connected with the transmission assembly 12, the transmission assembly 12 drives the driving wheel 2 to rotate, the transmission assembly 12 comprises a transmission gear 1201, a bevel gear 1202 and a transmission rod 1203, the transmission wheel 1201 is mounted on the main rotating shaft 201, the motor 11 is coaxially connected with the transmission rod 1203, the bevel gear 1202 is fixed at the other end of the transmission rod 1203, the bevel gear 1202 is meshed with the transmission gear 1201, the motor 11 drives the transmission rod 1203 to rotate, the transmission rod 1203 drives the bevel gear 1202 to rotate, the bevel gear 1202 drives the transmission gear 1201 to rotate, and the transmission gear 1201 drives the driving wheel 2 to rotate.
The charging device comprises a shell 1, a driving circuit board 13, a storage battery 14, a charging seat 18, an operating switch 15, a driving circuit board 13, a storage battery 14 and a power supply, wherein the driving circuit board 13 and the storage battery 14 are arranged in the shell 1; the driving circuit board 13 is electrically connected with the motor 11 and is used for driving the motor 11 to rotate forwards and backwards; operating switch 15 and 13 electric connection of dirver circuit board for operating motor 11 rotates, motor 11 has two, and evenly distributed is in the both sides of action wheel 2, dirver circuit board 13 has two, carries out solitary drive to two motors 11 respectively, two motors 11 of operating switch 15 control are turned to the rotation towards opposite all the time, because two motors 11 distribute in the both sides of action wheel 2, when two motors 11 rotation direction are opposite, make the transmission power direction of transmission on to action wheel 2 unanimous, charging seat 18 and battery 14 electric connection for charge for battery 14.
The shell 1 is internally provided with a limiting mechanism 17, the limiting mechanism is composed of a pushing plate 1701 and a normally closed limiting switch 1702, the pushing plate 1701 is fixed at the bottom of the push rod 7, the normally closed limiting switch 1702 is fixed in the shell 1702, the pushing plate 1701 and the normally closed limiting switch 1702 are arranged in the same horizontal direction, the normally closed limiting switch 1702 is connected in series in a forward driving circuit of the motor 11, after the push rod 7 moves forward, the pushing plate 1701 at the bottom pushes the normally closed limiting switch 1702 to break off the circuit of the motor 11 driving the push rod 7 to move forward, the push rod 7 can be automatically stopped after the push rod 7 is in place, and the push rod 7 is prevented from excessively moving to extrude tissues to be sutured to cause damage.
The invention also provides an anastomat which adopts the percussion assembly, wherein the percussion assembly is connected with the suture assembly and can drive the nail bin of the suture assembly to move.
The use principle of the invention is as follows: firstly, pressing down the rotary barrel 1602, then moving the rotary barrel 1602 to drive the driven wheel 3 to move along the direction of the adjusting opening 161, so as to extrude the compression rod 203 through the transmission chain 4, thereby reducing the size of the driving wheel 2, under the condition that the rotating speed of the driving wheel 2 is not changed, further changing the rotating speed of the driven wheel 3, further changing the advancing speed of the push rod 7 connected with the rack 6, after adjusting the driven wheel 3 to a proper position, loosening the rotary barrel 1602, fixing the driven wheel 3 again, then connecting the push rod 7 with the pushing component of the anastomat, then operating the operation switch 15, rotating the motor 11 to drive the push rod 7 to move forward, driving the pushing component to move forward, pushing the nail bin, completing the suturing and cutting operation of the anastomat, when the push rod 7 is moved to a proper position, pushing the pushing plate 1701 to push the normally closed limit switch 1702, disconnecting the circuit of the motor 11, after the push rod 7 is in place, the push rod 7 is automatically stopped, and then the operation switch 15 is operated to enable the motor 11 to rotate towards the opposite direction, so that the push rod 7 retreats, and the reset is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a trigger subassembly of anastomat, includes shell (1), action wheel (2), follows driving wheel (3) and transfer chain (4), its characterized in that:
the improved multifunctional gear box is characterized in that a driving wheel (2) is arranged inside the shell (1), a fixing component (16) is arranged on the shell (1), a driven wheel (3) is arranged on the fixing component (16), the driving wheel (2) is in transmission connection with the driven wheel (3) through a transmission chain (4), the driving wheel (2) is connected with the driven wheel (3) through a telescopic rod (9), a rack (6) is meshed with the upper portion of the driven wheel (3), a sliding component (5) is arranged on the side edge of the rack (6), the other end of the sliding component (5) is in sliding connection with the inner side wall of the shell (1), a support component (8) is fixed outside the shell (1), a push rod (7) is arranged inside the support component (8), one end of the push rod (7) is connected with the rack (6), and a fixing plate (10) is arranged inside the shell, a motor (11) is installed in the fixing plate (10), the motor (11) is coaxially connected with a transmission assembly (12), the transmission assembly (12) drives a driving wheel (2) to rotate, a driving circuit board (13) and a storage battery (14) are installed inside the shell (1), a charging seat (18) is fixed at the bottom of the shell (1), and an operating switch (15) is installed on the shell of the shell (1);
the storage battery (14) is electrically connected with the driving circuit board (13) and is used for providing power for the driving circuit board (13); the driving circuit board (13) is electrically connected with the motor (11) and is used for driving the motor (11) to rotate forwards and backwards; the operation switch (15) is electrically connected with the driving circuit board (13) and used for operating the motor (11) to rotate, and the charging seat (18) is electrically connected with the storage battery (14) and used for charging the storage battery (14);
the driving wheel (2) is composed of a main rotating shaft (201), fixed cylinders (202), a compression rod (203), a distribution wheel (204), an extrusion spring (205) and a fixed seat (206), the fixed seat (206) is installed on the inner side of the shell (1), the main rotating shaft (201) is installed on the fixed seat (206), six fixed cylinders (202) are evenly installed around the main rotating shaft (201), the extrusion spring (205) is installed inside the fixed cylinders (202), one end of the compression rod (203) is clamped inside the fixed cylinders (202), the distribution wheel (204) is installed at the other end of the compression rod (203), the driven wheel (3) is composed of a driven rotating shaft (301), a driven gear (302) and a connection gear (303), the driven gear (302) and the connection gear (303) are installed on the driven rotating shaft (301), and the driven gear (302) and the distribution wheel (204) are in transmission connection through a transmission chain (4), the lower part of the rack (6) is meshed with the connecting gear (303), the main rotating shaft (201) and the auxiliary rotating shaft (301) are respectively fixed on the telescopic rods (9), the telescopic rods can freely stretch and retract, and the fixing component (16) can move on the shell (1) so as to adjust the position of the auxiliary rotating shaft (301).
2. The firing assembly of a stapler of claim 1, wherein: slide module (5) comprise indulge slide bar (501), sideslip pole (502) and spout (503), the higher authority and the side of rack (6) are fixed with respectively and indulge slide bar (501) and sideslip pole (502), spout (503) are all installed to the up end and the side of shell (1) inboard, the other end card of indulging slide bar (501) and sideslip pole (502) is in spout (503), and can slide in spout (503).
3. The firing assembly of a stapler of claim 1, wherein: the telescopic rod (9) is composed of a containing rod (901) and an extension rod (902), the containing rod (901) is fixed on the main rotating shaft (201), the extension rod (902) is fixed on the auxiliary rotating shaft (301), and the other end of the extension rod (902) is sleeved in the containing rod (901) and can move inside the containing rod (901).
4. The firing assembly of a stapler of claim 1, wherein: the two motors (11) are uniformly distributed on two sides of the driving wheel (2), the two driving circuit boards (13) are respectively used for driving the two motors (11) independently, and the two motors (11) are controlled to rotate towards opposite directions all the time by the operating switch (15).
5. The firing assembly of a stapler of claim 1, wherein: the two connecting gears (303) are uniformly distributed on two sides of the driven gear (302), the rack (6) is U-shaped, and two ends of the rack (6) are respectively meshed with the connecting gears (303).
6. The firing assembly of a stapler of claim 1, wherein: fixed subassembly (16) comprise interior pinion rack (1601), a rotatory section of thick bamboo (1602), external tooth board (1603) and location spring (1604), be provided with on shell (1) and adjust mouth (161), regulation mouth (161) both sides of shell (1) inboard are fixed with interior pinion rack (1601), be fixed with outer pinion rack (1603) on a rotatory section of thick bamboo (1602), block in brill rotary drum (1602) from pivot (301), install in adjusting mouth (161) rotatory section of thick bamboo (1602), install location spring (1604) in rotatory section of thick bamboo (1602), outer pinion rack (1603) and interior pinion rack (1601) meshing are in the same place and are fixed a rotatory section of thick bamboo (1602).
7. The firing assembly of a stapler of claim 1, wherein: the limiting mechanism (17) is installed inside the shell (1), the limiting mechanism (17) is composed of a pushing plate (1701) and a normally closed limiting switch (1702), the pushing plate (1701) is fixed to the bottom of the push rod (7), the normally closed limiting switch (1702) is fixed inside the shell (1702), the pushing plate (1701) and the normally closed limiting switch (1702) are arranged in the same horizontal direction, and the normally closed limiting switch (1702) is connected in series in a forward driving circuit of the motor (11).
8. The firing assembly of a stapler of claim 1, wherein: the transmission assembly (12) is composed of a transmission gear (1201), a bevel gear (1202) and a transmission rod (1203), the transmission gear (1201) is installed on the main rotating shaft (201), the motor (11) is coaxially connected with the transmission rod (1203), the bevel gear (1202) is fixed to the other end of the transmission rod (1203), and the bevel gear (1202) is meshed with the transmission gear (1201).
9. An anastomat, which is characterized in that: the anastomat adopts the firing assembly as claimed in any one of claims 1 to 7, and the firing assembly is connected with the suture assembly and can drive the nail bin of the suture assembly to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471780.XA CN112587191A (en) | 2020-12-14 | 2020-12-14 | Trigger assembly of anastomat and anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471780.XA CN112587191A (en) | 2020-12-14 | 2020-12-14 | Trigger assembly of anastomat and anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112587191A true CN112587191A (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011471780.XA Pending CN112587191A (en) | 2020-12-14 | 2020-12-14 | Trigger assembly of anastomat and anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112587191A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115137423A (en) * | 2022-06-25 | 2022-10-04 | 苏州朗特斯医疗科技有限公司 | Anastomat percussion buffer structure and anastomat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203500396U (en) * | 2013-05-14 | 2014-03-26 | 北京汽车研究总院有限公司 | Continuously-variable transmission and vehicle |
| CN105816214A (en) * | 2016-06-08 | 2016-08-03 | 宁波维尔凯迪医疗器械有限公司 | Safety system and anastomat with same |
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| CN111803164A (en) * | 2020-08-27 | 2020-10-23 | 武汉智瓴医疗科技有限公司 | Electric pushing device for percussion anastomat and electric anastomat |
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Application publication date: 20210402 |