CN112617943B - Anti-scratch gastrointestinal inner wall circular anastomat with safety function - Google Patents

Abstract

The invention discloses an anti-scratching gastrointestinal inner wall circular anastomat with a safety function, and relates to the technical field of medical instruments. The invention is provided with the safety component and the adjusting component, the locking and the releasing of the safety can be completed only by controlling the electromagnet to be electrified and cut off, the operation is simple, the adjusting knob can rotate forwards and backwards through the forward and reverse operation of the band-type brake servo motor, the operation is simple, in addition, the output torque of the band-type brake servo motor can be improved through the design of the first speed reducing belt wheel, the second speed reducing belt wheel and the transmission belt, the torque is enhanced, the adjustment of the adjusting knob is smoother, in addition, the output shaft is automatically locked when the band-type brake servo motor stops operating, the adjusting knob can not rotate accidentally in the time period without adjustment operation, and better use prospect is brought.

Description

Anti-scratch gastrointestinal inner wall circular anastomat with safety function

Technical Field

The invention relates to the technical field of medical instruments, in particular to an anti-scratching gastrointestinal inner wall circular anastomat with a safety function.

Background

Staplers are devices used in medicine to replace manual suturing, the main working principle being the detachment or anastomosis of tissue by titanium staples, similar to staplers. There are many types of staplers, including circular staplers for the alimentary tract. The existing circular digestive tract anastomat has certain defects when in use, the safety button and the adjusting knob of the existing circular digestive tract anastomat are operated by hands to complete corresponding control, and the operation steps are complex and influence the practical use.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides the anti-scratching gastrointestinal inner wall circular anastomat with the safety function, and can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a safety anti-scratching gastrointestinal inner wall circular anastomat comprises a grab handle, a central puncture rod and a connecting rod, one end of the grab handle is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly provided with a nail bin, one side of the nail bin is provided with a nail protecting plate, the central puncture rod is inserted in the grab handle, the connecting pipe and the nail bin, one end of the central puncture rod protrudes out of one side of the nail bin far away from the connecting pipe, and the protruding end of the central puncture rod is fixedly provided with a socket, one end of the connecting rod is fixedly provided with an inserting rod, the inserting rod is inserted into the socket, the other end of the connecting rod is fixedly provided with a nail anvil, the other end of the grab handle is provided with an adjusting component, the outer wall of the grab handle is provided with a safety component, the outer wall of the grab handle is fixedly provided with a mounting seat, the mounting seat is hinged with a firing rod, and the edges of the nail bin and the nail anvil are subjected to chamfering treatment.

Preferably, adjusting part comprises adjust knob, first speed reducing pulley, driving belt, second speed reducing pulley and band-type brake servo motor, adjust knob sets up the one end of keeping away from the connecting pipe in the grab handle, the fixed suit of first speed reducing pulley is on adjust knob, second speed reducing pulley fixed mounting is on band-type brake servo motor's output shaft, driving belt sets up between first speed reducing pulley and second speed reducing pulley, and first speed reducing pulley passes through the driving belt transmission with the second speed reducing pulley and is connected.

Preferably, the one end fixed mounting that the connecting pipe was kept away from to the grab handle has first guard shield, adjust knob is located the inside of first guard shield, the bottom fixed mounting of grab handle has the second guard shield, band-type brake servo motor fixed mounting is in the inside of second guard shield, second reduction pulley is located the inside of second guard shield, first belt has been seted up respectively to the laminating punishment of first guard shield and second guard shield and has been laid the hole and establish the hole with second belt cloth.

Preferably, be provided with the clamp between second guard shield and the grab handle, clamp hoop second guard shield and grab handle, be provided with the connection piece between second guard shield and the first guard shield, the one end detachable connection of screw and second guard shield is passed through to the one end of connection piece, the other end of connection piece passes through the screw and is kept away from the detachable connection of one end of grab handle with first guard shield.

Preferably, the outer walls of the first protective cover and the second protective cover are respectively provided with a first through hole and a second through hole, the first through hole and the second through hole are respectively internally provided with a first bin cover and a second bin cover, the first bin cover is fixedly provided with a first installation lug, the first installation lug is fixedly connected with the first protective cover through a screw, the second bin cover is fixedly provided with a second installation lug, and the second installation lug is fixedly connected with the second protective cover through a screw.

Preferably, the insurance subassembly comprises a well cavity section of thick bamboo, apron, stopper, electro-magnet, spring, slider and connective bar, a well cavity section of thick bamboo fixed mounting is on the outer wall of grab handle, a well cavity section of thick bamboo is close to the contained angle between grab handle and the firing bar, the bottom of stopper is the inclined plane, the inclination of firing bar equals with the inclination on inclined plane, and has seted up latticed line of weakness on the inclined plane.

Preferably, the electromagnet is fixedly installed inside the hollow cylinder, the sliding block is arranged inside the hollow cylinder in a sliding mode, the sliding block is a magnetic attraction metal product, the spring is arranged inside the hollow cylinder and located between the electromagnet and the sliding block, one end of the connecting rod is fixedly connected with the middle of the sliding block, and the other end of the connecting rod extends to the outside of the hollow cylinder and is fixedly connected with the limiting stopper.

Preferably, the fillet rectangle opening has been seted up to the outer wall of well cavity section of thick bamboo, the apron sets up in the fillet rectangle opening, and the apron seals the fillet rectangle opening, the both sides of apron all have the third installation ear through welded fastening, and pass through the detachable connection of screw between third installation ear and the well cavity section of thick bamboo, the edge of apron is spliced through sealed glue and is fixed with the sealing strip.

Preferably, the outer wall fixed mounting of grab handle has the battery compartment, the inside in battery compartment is provided with chargeable formula battery, install the end cover through the screw is detachable on the battery compartment, one side that the battery compartment was kept away from to the end cover is spliced through the powerful glue and is fixed with first slipmat, the front side and the rear side of firing bar are all spliced through the powerful glue and are fixed with the second slipmat.

Preferably, band-type brake servo motor and chargeable formula battery electric connection, and be provided with total accuse switch, clockwise operation switch, anticlockwise operation switch on the circuit between band-type brake servo motor and the chargeable formula battery, electro-magnet and chargeable formula battery electric connection, and be provided with magnetic switch on the circuit between electro-magnet and the chargeable formula battery, total accuse switch, clockwise operation switch, anticlockwise operation switch and magnetic switch all install on the grab handle.

Compared with the prior art, the invention has the beneficial effects that:

the invention is provided with a safety component and an adjusting component, wherein the safety component takes an electromagnet as a core, the electromagnet is rapidly magnetized when being electrified, and generates magnetic attraction with a slide block made of magnetic metal products, so that the slide block slides and moves towards the direction of the electromagnet, a spring between the slide block and the electromagnet is extruded and contracted, a limiting device and a connecting rod synchronously move along with the slide block, the limiting device leaves an included angle between a holding handle and a firing rod, the limit function on the firing rod is not realized, the firing rod is unlocked and can freely move, the electromagnet is rapidly demagnetized after being powered off, the magnetic attraction between the limiting device and the slide block made of the magnetic metal products is rapidly disappeared, the acting force of the contraction of the spring is forced to disappear, the spring automatically rebounds to push the slide block to slide and move away from the electromagnet, the limiting device and the connecting rod synchronously move along with the slide block, and the limiting device enters the included angle between the holding handle and the firing rod, the inclined plane at the bottom of the limiter is abutted against the inclined plane of the firing rod to lock the firing rod, so that a safety function is achieved, the locking and the unlocking of the safety can be completed only by controlling the electromagnet to be electrified and powered off, and the operation is simple; the adjusting assembly adopts a band-type brake servo motor as a driving device, the first speed reducing belt wheel, the second speed reducing belt wheel and the transmission belt are mutually matched to transmit the output torque of the band-type brake servo motor to the adjusting knob, the adjusting knob can rotate forwards and backwards through the forward and reverse operation of the band-type brake servo motor, the operation is simple, in addition, the design of the first speed reducing belt wheel, the second speed reducing belt wheel and the transmission belt can improve the output torque of the band-type brake servo motor, the torque is enhanced, the adjustment of the adjusting knob is smoother, in addition, the output shaft is automatically locked when the band-type brake servo motor stops operating, the adjusting knob can not rotate accidentally in a time period without adjustment operation, in addition, the components of the band-type brake servo motor, the first speed reducing belt wheel, the second speed reducing belt wheel, the transmission belt, the adjusting knob and the like are respectively positioned in the first protective cover and the second protective cover, the first protective cover and the second protective cover can provide protection for the components, and the operation safety of the adjusting component is improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of B of FIG. 1 in accordance with the present invention;

FIG. 4 is a schematic view of the adjusting assembly of the present invention;

FIG. 5 is a top view of the handle of the present invention;

FIG. 6 is a front view of the safety assembly of the present invention;

FIG. 7 is a schematic structural view of a safety assembly according to the present invention;

in the figure: 1. a handle; 2. a first non-slip mat; 3. a connecting pipe; 4. a staple cartridge; 5. a nail protecting plate; 6. a firing bar; 7. a second non-slip mat; 8. a first shield; 9. a second shield; 10. clamping a hoop; 11. connecting sheets; 12. a first bin cover; 13. a second bin cover; 14. a fuse assembly; 15. a master control switch; 16. a clockwise running switch; 17. a counterclockwise running switch; 18. a mounting seat; 19. an adjustment assembly; 20. a central puncture rod; 21. a socket; 22. inserting a rod; 23. a connecting rod; 24. a nail anvil; 25. adjusting a knob; 26. a first reduction pulley; 27. a drive belt; 28. a second reduction pulley; 29. a band-type brake servo motor; 30. a magnetic switch; 31. a battery compartment; 32. an end cap; 33. a hollow cylinder; 34. a cover plate; 35. a stopper; 36. an electromagnet; 37. a spring; 38. a slider; 39. and (4) connecting the rods.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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" and "second" 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," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

Referring to fig. 1-7, the present invention provides a technical solution: a scratch-proof gastrointestinal inner wall circular anastomat with a safety function comprises a grab handle 1, a central puncture rod 20 and a connecting rod 23, wherein one end of the grab handle 1 is fixedly connected with a connecting pipe 3, one end of the connecting pipe 3 is fixedly provided with a nail bin 4, one side of the nail bin 4 is provided with a nail protection plate 5, the central puncture rod 20 is inserted in the grab handle 1, the connecting pipe 3 and the nail bin 4, one end of the central puncture rod 20 protrudes out of one side of the nail bin 4 far away from the connecting pipe 3, the protruding end of the central puncture rod 20 is fixedly provided with a socket 21, one end of the connecting rod 23 is fixedly provided with an insertion rod 22, the insertion rod 22 is inserted in the socket 21, the other end of the connecting rod 23 is fixedly provided with a nail anvil 24, the other end of the grab handle 1 is provided with an adjusting component 19, the outer wall of the grab handle 1 is provided with a safety component 14, the outer wall of the grab handle 1 is fixedly provided with a mounting seat 18, and the mounting seat 18 is hinged with a firing rod 6, the edges of the nail bin 4 and the nail anvil 24 are both subjected to chamfering treatment, and the edges are smooth and mellow, so that the gastrointestinal scraping injury is effectively avoided.

Furthermore, the adjustingassembly 19 is composed of an adjustingknob 25, a first deceleratingpulley 26, atransmission belt 27, a second deceleratingpulley 28 and a band-type servo motor 29, the adjustingknob 25 is disposed at one end of the handle 1 far away from the connecting pipe 3, the first deceleratingpulley 26 is fixedly sleeved on the adjustingknob 25, the second deceleratingpulley 28 is fixedly installed on an output shaft of the band-type servo motor 29, thetransmission belt 27 is disposed between the first deceleratingpulley 26 and the second deceleratingpulley 28, the first deceleratingpulley 26 and the second deceleratingpulley 28 are in transmission connection through thetransmission belt 27, the band-type servo motor 29 is used as a driving device, the first deceleratingpulley 26, the second deceleratingpulley 28 and thetransmission belt 27 are mutually matched to transmit the output torque of the band-type servo motor 29 to the adjustingknob 25, and the band-type servo motor 29 operates in a forward and reverse direction, the adjustingknob 25 can rotate forward and backward, and the operation is simple.

Further, one end fixed mounting that connecting pipe 3 was kept away from to grab handle 1 has first guard shield 8, adjustknob 25 is located the inside of first guard shield 8, the bottom fixed mounting of grab handle 1 hassecond guard shield 9, band-typebrake servo motor 29 fixed mounting is in the inside ofsecond guard shield 9, second speedreduction belt pulley 28 is located the inside ofsecond guard shield 9, first belt layout hole and second belt layout hole have been seted up respectively to the laminating punishment of first guard shield 8 andsecond guard shield 9, band-typebrake servo motor 29, first speedreduction belt pulley 26, second speedreduction belt pulley 28,drive belt 27 and components such as adjustknob 25 are located first guard shield 8 andsecond guard shield 9 respectively, first guard shield 8 andsecond guard shield 9 can provide the protection for this type of component, improve adjustingpart 19 operation security.

Furthermore, ahoop 10 is arranged between the secondprotective cover 9 and the grab handle 1, thehoop 10 hoops the secondprotective cover 9 and the grab handle 1, the stability of the secondprotective cover 9 after installation is improved, a connecting piece 11 is arranged between the secondprotective cover 9 and the first protective cover 8, one end of the connecting piece 11 is detachably connected with one end of the secondprotective cover 9 through a screw, the other end of the connecting piece 11 is detachably connected with one end, far away from the grab handle 1, of the first protective cover 8 through a screw, and the stability of the first protective cover 8 and the secondprotective cover 9 after installation is improved.

Furthermore, the outer walls of the first protective cover 8 and the secondprotective cover 9 are respectively provided with a first through hole and a second through hole, the first through hole and the second through hole are respectively internally provided with afirst bin cover 12 and asecond bin cover 13, thefirst bin cover 12 is fixedly provided with a first mounting lug, the first mounting lug is fixedly connected with the first protective cover 8 through a screw, thesecond bin cover 13 is fixedly provided with a second mounting lug, the second mounting lug is fixedly connected with the secondprotective cover 9 through a screw, the first mounting lug and the second mounting lug are unscrewed, so that thefirst bin cover 12 and thesecond bin cover 13 can be dismounted, the first through hole and the second through hole are not closed by thefirst bin cover 12 and thesecond bin cover 13, and the inner space of the first protective cover 8 and the inner space of the secondprotective cover 9 are communicated with the outer space, so that the inner components of the first protective cover 8 and the secondprotective cover 9 can be overhauled or replaced when the inner components of the first protective cover 8 and the secondprotective cover 9 fail.

Further, insurance subassembly 14 comprises a cavity section ofthick bamboo 33,apron 34,stopper 35, electro-magnet 36,spring 37,slider 38 andconnective bar 39, a cavity section ofthick bamboo 33 fixed mounting is on the outer wall of grab handle 1, a cavity section ofthick bamboo 33 is close to the contained angle between grab handle 1 and the firingbar 6, the bottom ofstopper 35 is the inclined plane, the inclination of firingbar 6 equals with the inclination of inclined plane, latticed seam crossing has been seted up on the inclined plane, whenstopper 35 bottom inclined plane offseted with the inclined plane of firingbar 6, the design of latticed seam crossing can improve damping between the two, avoid both to lead to the effort direction to change because of inclination when the atress, improvestopper 35's locking effect.

Further, an electromagnet 36 is fixedly installed inside the hollow cylinder 33, a slider 38 is slidably installed inside the hollow cylinder 33, the slider 38 is a magnetically attractable metal product, a spring 37 is installed inside the hollow cylinder 33, the spring 37 is located between the electromagnet 36 and the slider 38, one end of a connecting rod 39 is fixedly connected with the middle of the slider 38, the other end of the connecting rod 39 extends to the outside of the hollow cylinder 33 and is fixedly connected with a stopper 35, the electromagnet 36 is rapidly magnetized when energized, and generates a magnetic attraction force with the slider 38 made of the magnetically attractable metal product, so that the slider 38 slides and displaces towards the direction of the electromagnet 36, the spring 37 between the slider 38 and the electromagnet 36 is squeezed and contracted, the stopper 35 and the connecting rod 39 synchronously displace along with the slider 38, the stopper 35 leaves an included angle between the grip 1 and the firing rod 6, no longer plays a role in limiting on the firing rod 6, the firing rod 6 can freely move after being unlocked, the electromagnet 36 is demagnetized rapidly after being powered off, the magnetic attraction between the electromagnet and the sliding block 38 made of magnetic metal products disappears rapidly, the acting force of the spring 37 to contract disappears, the spring 37 rebounds automatically to push the sliding block 38 to slide and displace in the direction away from the electromagnet 36, the stopper 35 and the connecting rod 39 move synchronously along with the sliding block 38, the stopper 35 enters the included angle between the grab handle 1 and the firing rod 6, the inclined plane at the bottom of the stopper 35 is abutted against the inclined plane of the firing rod 6 to lock the firing rod 6, and the safety function is achieved.

Further, round corner rectangle opening has been seted up to the outer wall of well casing 33,apron 34 sets up in round corner rectangle opening,apron 34 seals round corner rectangle opening, the both sides ofapron 34 all install the third installation ear through welded fastening, through the detachable connection of screw between third installation ear and thewell casing 33, screw on the third installation ear is unscrewed, can pull downapron 34,apron 34 no longer seals round corner rectangle opening, so that overhaul or change it when the internal component of well casing 33 breaks down, the edge ofapron 34 splices through sealed glue and is fixed with the sealing strip, improve the sealed effect ofapron 34 edge.

Further, the outer wall fixed mounting of grab handle 1 hasbattery compartment 31, the inside ofbattery compartment 31 is provided with chargeable formula battery, installend cover 32 through the screw is detachable on thebattery compartment 31, after unscrewing the screw on theend cover 32, can change the inside chargeable formula battery ofbattery compartment 31, one side thatbattery compartment 31 was kept away from to endcover 32 is glued through the powerful glue and is fixed withfirst slipmat 2, improve the anti-skidding effect when the hand grips the operation, the front side and the rear side of firingbar 6 are all glued through the powerful glue and are fixed with second slipmat 7, improve the anti-skidding effect when the hand grips the operation.

Further, the band-typebrake servo motor 29 is electrically connected with the rechargeable storage battery, a master control switch 15, aclockwise operation switch 16 and an anticlockwise operation switch 17 are arranged on a circuit between the band-typebrake servo motor 29 and the rechargeable storage battery, theelectromagnet 36 is electrically connected with the rechargeable storage battery, amagnetic switch 30 is arranged on a circuit between theelectromagnet 36 and the rechargeable storage battery, the master control switch 15, theclockwise operation switch 16, the anticlockwise operation switch 17 and themagnetic switch 30 are all installed on the grab handle 1, and the band-typebrake servo motor 29 and theelectromagnet 36 are controlled through the master control switch 15, theclockwise operation switch 16, the anticlockwise operation switch 17 and themagnetic switch 30.

The working principle and the using process of the invention are as follows: when the adjusting knob 25 needs to be adjusted in use, the master control switch 15 is pressed down to enable the band-type brake servo motor 29 to be in a standby state, the clockwise operation switch 16 or the anticlockwise operation switch 17 is pressed down according to the adjustment requirement, the band-type brake servo motor 29 drives the second speed reduction belt pulley 28 to rotate when operating, the second speed reduction belt pulley 28 drives the first speed reduction belt pulley 26 to rotate through the transmission belt 27, the first speed reduction belt pulley 26 drives the adjusting knob 25 to rotate, the master control switch 15 is pressed down in time after the adjustment to a required angle, the band-type brake servo motor 29 is controlled to stop operating, when a target area is matched and connected, the magnetic switch 30 is pressed down, the electromagnet 36 is quickly magnetized when being electrified, the magnetic attraction force is generated between the electromagnet 36 and the slider 38 made of magnetically attractable metal products, the slider 38 slides and displaces towards the direction of the electromagnet 36, the spring 37 between the slider 38 and the electromagnet 36 is extruded and contracted, the stopper 35 and the connecting rod 39 move synchronously along with the slider 38, the stopper 35 leaves the included angle between the handle 1 and the firing rod 6, the firing rod 6 is not limited any more, the firing rod 6 can move freely after unlocking, the firing rod 6 can be pulled by hand to perform anastomotic connection to the target area, after the operation is finished, the magnetic switch 30 is pressed again, the electromagnet 36 is rapidly demagnetized after power failure, the magnetic attraction between the electromagnet 36 and the slider 38 made of magnetic metal products is rapidly disappeared, the contraction action force of the spring 37 is forced to disappear, the spring 37 automatically rebounds to push the slider 38 to slide and move in the direction away from the electromagnet 36, the stopper 35 and the connecting rod 39 move synchronously along with the slider 38, the stopper 35 enters the included angle between the handle 1 and the firing rod 6, the inclined plane at the bottom of the stopper 35 abuts against the inclined plane of the firing rod 6 to lock the firing rod 6, plays a role of insurance.

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 (5)

1. The utility model provides a scratch-proof intestines and stomach inner wall circular anastomat that possesses insurance function, includes grab handle (1), center puncture pole (20) and connecting rod (23), its characterized in that: the nail box is characterized in that a connecting pipe (3) is fixedly connected to one end of the grab handle (1), a nail box (4) is fixedly mounted at one end of the connecting pipe (3), a nail protecting plate (5) is arranged on one side of the nail box (4), the center puncture rod (20) is inserted into the grab handle (1), the connecting pipe (3) and the nail box (4), one end of the center puncture rod (20) protrudes out of one side of the nail box (4) away from the connecting pipe (3), a socket (21) is fixedly mounted at the protruding end of the center puncture rod (20), an insertion rod (22) is fixedly mounted at one end of the connecting rod (23), the insertion rod (22) is inserted into the socket (21), a nail anvil (24) is fixedly mounted at the other end of the connecting rod (23), an adjusting component (19) is arranged at the other end of the grab handle (1), a safety component (14) is arranged on the outer wall of the grab handle (1), the outer wall of the grab handle (1) is fixedly provided with an installation seat (18), a firing rod (6) is hinged on the installation seat (18), and the edges of the nail bin (4) and the nail anvil (24) are chamfered; the adjusting assembly (19) comprises an adjusting knob (25), a first speed reducing belt pulley (26), a transmission belt (27), a second speed reducing belt pulley (28) and a band-type servo motor (29), the adjusting knob (25) is arranged at one end, far away from the connecting pipe (3), of the grab handle (1), the first speed reducing belt pulley (26) is fixedly sleeved on the adjusting knob (25), the second speed reducing belt pulley (28) is fixedly arranged on an output shaft of the band-type servo motor (29), the transmission belt (27) is arranged between the first speed reducing belt pulley (26) and the second speed reducing belt pulley (28), and the first speed reducing belt pulley (26) and the second speed reducing belt pulley (28) are in transmission connection through the transmission belt (27); the clockwise operation switch (16) or the anticlockwise operation switch (17) is pressed, the band-type brake servo motor (29) drives the second speed reduction belt pulley (28) to rotate when in operation, the second speed reduction belt pulley (28) drives the first speed reduction belt pulley (26) to rotate through the transmission belt (27), the first speed reduction belt pulley (26) drives the adjusting knob (25) to rotate, and after the required angle is adjusted, the master control switch (15) is pressed in time to control the band-type brake servo motor (29) to stop operating; a first protective cover (8) is fixedly mounted at one end, far away from the connecting pipe (3), of the grab handle (1), the adjusting knob (25) is located inside the first protective cover (8), a second protective cover (9) is fixedly mounted at the bottom of the grab handle (1), the band-type brake servo motor (29) is fixedly mounted inside the second protective cover (9), the second speed reduction belt pulley (28) is located inside the second protective cover (9), and a first belt laying hole and a second belt laying hole are respectively formed in the joint of the first protective cover (8) and the second protective cover (9); a hoop (10) is arranged between the second shield (9) and the grab handle (1), the hoop (10) hoops the second shield (9) and the grab handle (1), a connecting piece (11) is arranged between the second shield (9) and the first shield (8), one end of the connecting piece (11) is detachably connected with one end of the second shield (9) through a screw, and the other end of the connecting piece (11) is detachably connected with one end, far away from the grab handle (1), of the first shield (8) through a screw; the outer walls of the first shield (8) and the second shield (9) are respectively provided with a first through hole and a second through hole, a first bin cover (12) and a second bin cover (13) are respectively arranged in the first through hole and the second through hole, a first mounting lug is fixedly mounted on the first bin cover (12) and fixedly connected with the first shield (8) through a screw, a second mounting lug is fixedly mounted on the second bin cover (13) and fixedly connected with the second shield (9) through a screw; the safety component (14) consists of a hollow cylinder (33), a cover plate (34), a limiter (35), an electromagnet (36), a spring (37), a sliding block (38) and a connecting rod (39), wherein the hollow cylinder (33) is fixedly installed on the outer wall of the grab handle (1), the hollow cylinder (33) is close to an included angle between the grab handle (1) and the firing rod (6), the bottom of the limiter (35) is an inclined plane, the inclined angle of the firing rod (6) is equal to that of the inclined plane, and the inclined plane is provided with a grid-shaped slot; when the target area is anastomosed, the magnetic switch (30) is pressed, the electromagnet (36) is quickly magnetized when being electrified, magnetic attraction is generated between the electromagnet and a sliding block (38) made of a magnetic attraction metal product, the sliding block (38) slides and moves towards the direction of the electromagnet (36), a spring (37) between the sliding block (38) and the electromagnet (36) is extruded and contracted, a limiting stopper (35) and a connecting rod (39) synchronously move along with the sliding block (38), the limiting stopper (35) leaves an included angle between the grab handle (1) and the firing rod (6) and does not play a limiting role on the firing rod (6), the firing rod (6) is unlocked and can freely move, and the firing rod (6) can be wrenched by a hand to anastomose and join the target area.

2. The circular anastomat with the safety function for preventing the gastrointestinal inner wall from being scratched, according to claim 1, is characterized in that: electromagnet (36) fixed mounting is in the inside of a cavity section of thick bamboo (33), slider (38) slide and set up in the inside of a cavity section of thick bamboo (33), but slider (38) magnetism inhales the metal product, spring (37) set up in the inside of a cavity section of thick bamboo (33), and spring (37) are located between electromagnet (36) and slider (38), the one end of connective bar (39) and the middle part fixed connection of slider (38), the other end of connective bar (39) extend to the outside of a cavity section of thick bamboo (33) and with stopper (35) fixed connection.

3. The circular anastomat with the safety function for preventing the gastrointestinal inner wall from being scratched, according to claim 1, is characterized in that: round corner rectangle opening has been seted up to the outer wall of well casing (33), apron (34) set up in round corner rectangle opening, and apron (34) seals round corner rectangle opening, the both sides of apron (34) all have the third installation ear through welded fastening, and through the detachable connection of screw between third installation ear and well casing (33), the edge of apron (34) splices through sealed glue and is fixed with the sealing strip.

4. The circular anastomat with the safety function for preventing the gastrointestinal inner wall from being scratched, according to claim 1, is characterized in that: the outer wall fixed mounting of grab handle (1) has battery compartment (31), the inside of battery compartment (31) is provided with chargeable formula battery, install end cover (32) through the screw is detachable on battery compartment (31), one side that battery compartment (31) were kept away from in end cover (32) bonds through powerful glue and is fixed with first slipmat (2), the front side and the rear side of percussion bar (6) are all glued through powerful glue and are bonded and be fixed with second slipmat (7).

5. The safety-function-based scratching-prevention gastrointestinal inner wall circular anastomat is characterized in that: band-type brake servo motor (29) and chargeable formula battery electric connection, and be provided with on the circuit between band-type brake servo motor (29) and the chargeable formula battery master switch (15), clockwise operation switch (16), anticlockwise operation switch (17), electro-magnet (36) and chargeable formula battery electric connection, and be provided with magnetic switch (30) on the circuit between electro-magnet (36) and the chargeable formula battery, master switch (15), clockwise operation switch (16), anticlockwise operation switch (17) and magnetic switch (30) are all installed on grab handle (1).

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