CN112998789B - Intracavity cutting anastomat with larger rotation angle - Google Patents

Abstract

The invention discloses an intracavity cutting anastomat with a larger rotation angle, which relates to the technical field of anastomats and comprises a shell, wherein one side of the shell is fixedly connected with a connecting pipe, one end of the connecting pipe is communicated with the inside of the shell, one end of the connecting pipe is provided with a baffle ring, two sides of the baffle ring are respectively and rotatably connected with a rotating disc and a rotating ring, one side of the rotating ring is provided with an outer pipe, the inside of the outer pipe is rotatably connected with an inner pipe, one end of the inner pipe is rotatably connected to one side of the rotating ring, and one end of the inner pipe is symmetrically provided with a first clamp and a second clamp. The rotary end effector has a reasonable structure, the rotary rotating disc drives the rotating rod to rotate through the transmission shaft, the driving bevel gear and the driven bevel gear so as to drive the first clamp and the second clamp to swing towards two sides, and the rotary rotating ring drives the connecting plate to rotate in the circumferential direction through the inner pipe and the fixing ring so as to drive the whole end effector to rotate in the circumferential direction, so that a larger rotating angle is obtained, and a proper sewing position is conveniently found; the stop portion formed by the external thread tube and the fastening thread sleeve in a matching manner provides a simple and reliable locking mechanism.

Description

Intracavity cutting anastomat with larger rotation angle

Technical Field

The invention relates to the technical field of anastomats, in particular to an intracavity cutting anastomat with a larger rotation angle.

Background

The anastomat is a device used for replacing manual suturing in medicine, the main working principle is that titanium nails are used for separating or inosculating tissues, the anastomat is similar to a stapler, according to different application ranges, compared with the traditional manual suturing, the anastomat has the advantages that the operation is simple and convenient, the operation time is saved, the anastomat is used at one time, cross infection is avoided, the titanium nails or stainless steel nails are used, the suturing is tight, the tightness is moderate, few side effects are achieved, surgical complications are effectively reduced, and the like.

In the surgical process, the angle of an end effector in the anastomat is generally required to be changed according to actual conditions to obtain a proper suture angle, while the existing cutting anastomat can only enable the end effector to swing towards two sides or enable the end effector to rotate in the circumferential direction, and the end effector cannot be combined to obtain a larger rotation angle, and a simple and reliable locking mechanism is lacked; to solve the above problems, we propose an intracavity cutting stapler with a larger rotation angle.

Disclosure of Invention

The present application is directed to provide an endoluminal cutting stapler with a larger rotation angle to solve the problems set forth in the background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a cavity cutting anastomat that turned angle is bigger, includes the shell, one side fixedly connected with connecting pipe of shell, the one end of connecting pipe with the inside of shell is linked together, the one end of connecting pipe is equipped with keeps off the ring, the both sides that keep off the ring are rotated respectively and are connected with rolling disc and rotating ring, one side of rotating ring is equipped with the outer tube, the inside rotation of outer tube is connected with the inner tube, the one end of inner tube is rotated and is connected on one side of rotating ring, the one end symmetry of inner tube is provided with first clamp and second clamp, first clamp with one side of second clamp is equipped with the portion of turning to, be equipped with the portion of tightening up in the shell, one side fixedly connected with of first clamp sews up the nail subassembly, the rolling disc with one side of rotating ring all is equipped with spacing portion.

Borrow by above-mentioned structure, through the portion that turns to, the outer tube, the setting of inner tube, make can control first clamp and second clamp through respectively rotatory rolling disc and rotating ring and swing and circumferential direction, thereby obtain bigger turned angle, through the setting of tightening up the portion, can drive first clamp and second clamp and press from both sides tightly and open, thereby realize the centre gripping demand of anastomat, through the setting of spacing portion, make anastomat front end executor can be spacing after angle adjustment, thereby prevent to influence the work of sewing up because of the angle change at the sewing-up in-process.

Preferably, the steering part includes a transmission shaft fixedly connected to one side of the rotating disc, one end of the transmission shaft extends to the outside of the inner tube and is fixedly sleeved with a drive bevel gear, one end of the inner tube is fixedly sleeved with a fixed ring, the side walls of the fixed ring are symmetrically and fixedly connected with connecting plates, one side of each of the two connecting plates is rotatably connected with the same rotating rod, the rotating rod is fixedly sleeved with a driven bevel gear, the driving bevel gear is meshed with the driven bevel gear, the fixed cover of symmetry has connect two go-between, two on the bull stick equal fixedly connected with connecting rod, two on the lateral wall of go-between the equal fixedly connected with fixed strip of one end of connecting rod, two pivot of symmetry fixedly connected with between the fixed strip, first clamp with the second clamp rotates respectively to be connected two in the pivot.

Further, by the arrangement of the transmission shaft, the driving bevel gear, the fixing ring, the connecting plate, the rotating rod, the driven bevel gear, the connecting ring, the connecting rod, the fixing strip and the rotating shaft, the transmission shaft is driven to rotate by rotating the rotating disc, so that the driving bevel gear is driven to rotate, the rotating rod is driven to rotate by the driven bevel gear which is meshed with the rotating disc, so that the fixing strip is driven to rotate by the connecting ring and the connecting rod, so that the whole end effector of the anastomat, namely the first clamp and the second clamp, can swing towards two sides, so that the angle of the end effector is adjusted, then the inner tube is driven to rotate by the rotating ring, so that the connecting plate is driven to rotate circumferentially by the fixing ring, so that the whole end effector is driven to rotate circumferentially by the rotating rod, so that the end effector of the anastomat can swing towards two sides and rotate circumferentially, so that a larger rotating angle is obtained, it is convenient to find a proper suture position.

Preferably, the tightening part comprises a screw rod arranged in the shell, an internal thread pipe is screwed on the screw rod, a plurality of limiting sliding strips are uniformly and fixedly connected on the internal thread pipe, a limiting ring is sleeved on the internal thread pipe in a sliding way, a plurality of fixed rods are uniformly and fixedly connected on the side wall of the limit ring, one end of each fixed rod is fixedly connected on the inner wall of the shell, one end of the internal threaded pipe is rotatably connected with a rotating block, one side of the rotating block is fixedly connected with a telescopic steel rope, through holes are respectively arranged at one side of the rotating block and the inside of the transmission shaft, one end of the telescopic steel rope sequentially penetrates through the two through holes and extends to the outside of the inner pipe, one end of the telescopic steel rope is fixedly connected with two rope branches, one end of each rope branch is fixedly connected to one side of the first clamp and one side of the second clamp respectively, and a plurality of reset springs are fixedly connected between the first clamp and the second clamp.

Further, through the lead screw, the internal thread pipe, spacing draw runner, the spacing ring, the dead lever, rotatory piece, flexible steel cable, divide the rope, reset spring's setting, it is rotatory to make through driving the lead screw, it is under the limiting displacement of spacing ring to drive the internal thread pipe, move along the axis direction of lead screw, thereby it tightens up the slip to drive flexible steel cable in the through-hole through rotatory piece, thereby it is rotatory around the pivot to drive first clamp and second clamp through two branch ropes, and make reset spring tensile deformation, thereby make first clamp and second clamp press from both sides tightly, thereby accomplish the centre gripping work, be convenient for sew up the nail subassembly and sew up the work, when sewing up the end, reverse rotation knob can make flexible steel cable relax, and make first clamp and second clamp reset under reset spring's elastic force, be convenient for carry out centre gripping and sewing up the work next time.

Preferably, one end of the screw rod is fixedly connected with a straight rod, a rotating hole is formed in the inner wall of one side of the shell, and one end of the straight rod penetrates through the rotating hole and is fixedly connected with a knob.

Furthermore, the screw rod is convenient to drive to rotate through the arrangement of the knob.

Preferably, the spacing portion including respectively fixed connection in the connecting pipe with two external screw thread pipes on the outer tube one end, two the one end of external screw thread pipe respectively with rolling disc with swivel becket fixed connection, two all the spiro union has the fastening swivel nut on the external screw thread pipe.

Furthermore, through the arrangement of the external thread pipe and the fastening thread sleeves, the two fastening thread sleeves are driven to rotate on the two external thread pipes, so that the rotating disc and the rotating ring are pressed tightly, the rotating disc and the rotating ring are limited through friction, and the phenomenon that the sewing work is influenced due to the fact that the rotating disc and the rotating ring rotate to change the angle is avoided.

Preferably, a plurality of stress rods are fixedly connected to the side walls of the two fastening screw sleeves, and friction thread grooves are formed in the side walls of the rotating disc and the rotating ring.

Furthermore, the fastening threaded sleeve, the rotating disc and the rotating ring are conveniently driven to rotate through the arrangement of the stress rod and the friction thread groove.

Preferably, the shell, the baffle ring and the same holding rod is fixedly connected to the side wall of the outer tube, and a grab handle is fixedly connected to the bottom of the shell.

Further, through the setting of holding rod, grab handle for the holding rod can be in the same place shell, fender ring and outer tube are fixed, thereby improves the stability of device, can cooperate the grab handle to make the holding of device become convenient simultaneously.

Preferably, a protection paste is fixedly connected to one side of each of the first clamp and the second clamp.

Further, through the setting of protection subsides for first clamp, second clamp and patient's direct contact area reduce and carry out certain buffering to the dynamics of holding, and then reduce patient's uncomfortable and feel.

Preferably, the transmission shaft is rotatably sleeved with a plurality of stabilizing rings, and the stabilizing rings are fixedly connected with the inner pipe.

Furthermore, through the arrangement of the stabilizing ring, the stabilizing ring can play a role of stably supporting the transmission shaft, so that the rotation of the transmission shaft is more stable.

In conclusion, the technical effects and advantages of the invention are as follows:

1. the rotary plate is reasonable in structure, the transmission shaft is driven to rotate by rotating the rotary plate, so that the driving bevel gear is driven to rotate, the rotating rod is driven to rotate by the meshed driven bevel gears, the fixing strip is driven to rotate by the connecting ring and the connecting rod, the first clamp and the second clamp, namely the whole end effector of the anastomat, can swing towards two sides, so that the angle of the end effector is adjusted, the inner pipe is driven to rotate by the rotary ring, the connecting plate is driven to rotate circumferentially by the fixing ring, the whole end effector is driven to rotate circumferentially by the rotating rod, so that the end effector of the anastomat can swing towards two sides and can rotate circumferentially, a larger rotating angle is obtained, and a proper sewing position is convenient to find;

2. according to the invention, when the angle adjustment is finished, the two fastening screw sleeves are respectively driven by the stress rod to rotate on the two external threaded pipes and move along the axial direction of the threaded pipes, and then are respectively in close contact with the rotating disc and the rotating ring, so that the rotating disc and the rotating ring are limited by increasing the friction force and cannot rotate easily, the angle change of an end effector due to the rotation of the rotating disc and the rotating ring is prevented, the sewing precision is reduced, and the sewing work is influenced;

3. according to the invention, the screw rod is driven to rotate through the rotary knob, so that the internal thread tube is driven to move along the axis direction of the screw rod under the limiting action of the limiting ring, the telescopic steel rope is driven to tighten and slide in the through hole through the rotary block, the first clamp and the second clamp are driven to rotate around the rotating shaft through the two rope branches, and the reset spring is stretched and deformed, so that the first clamp and the second clamp are clamped tightly, the clamping work is finished, the sewing work of the sewing nail component is facilitated, when the sewing is finished, the telescopic steel rope can be loosened by reversely rotating the rotary knob, the first clamp and the second clamp are reset under the elastic force action of the reset spring, and the next clamping and sewing work is facilitated;

4. according to the invention, the whole end effector is controlled to swing back and forth by the rotating block, the whole end effector is controlled to rotate circumferentially by the rotating ring, the first clamp and the second clamp are controlled to clamp and open by the knob, and the positions of the control units in the three steps are close to the tail part of the anastomat, so that the angle can be adjusted outside in advance, and the adjustment can be carried out in a patient body, so that the operation is very flexible, and the operation time is saved;

5. according to the invention, by utilizing the design of the inner tube and the outer tube, when the angle is adjusted, the outer tube which is directly contacted with the body of a patient cannot rotate along with the rotation of the inner tube under the limiting action of the holding rod, so that the influence on the patient is reduced, the stability of the anastomat during use is increased, meanwhile, the arrangement of the protective paste can reduce the direct contact area between the first clamp and the patient, and the second clamp and the patient, and buffer the clamping force to a certain extent, so that the pain of the patient is reduced.

Drawings

FIG. 1 is a first perspective view of the stapler;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a perspective view of the stapler from a second perspective;

FIG. 4 is a partially enlarged view of FIG. 3;

FIG. 5 is a schematic view of the inner three-dimensional structure of the outer shell of the stapler;

FIG. 6 is a schematic perspective view of the inner portion of the baffle ring in the stapler;

FIG. 7 is a perspective view of the inside of the inner tube of the stapler;

fig. 8 is a schematic perspective view of a rotating ring in the stapler.

In the figure: 1. a housing; 2. a connecting pipe; 3. a baffle ring; 4. rotating the disc; 5. a rotating ring; 6. an outer tube; 7. An externally threaded tube; 8. fastening a threaded sleeve; 9. a stress beam; 10. an inner tube; 11. a screw rod; 12. an internally threaded tube; 13. A limiting slide bar; 14. a limiting ring; 15. fixing the rod; 16. rotating the block; 17. a telescopic steel rope; 18. rope splitting; 19. a first clamp; 20. a second clamp; 21. a staple assembly; 22. a protective sticker; 23. a fixing ring; 24. A connecting plate; 25. a rotating rod; 26. a connecting ring; 27. a connecting rod; 28. a fixing strip; 29. a rotating shaft; 30. a return spring; 31. a drive shaft; 32. a drive bevel gear; 33. a driven bevel gear; 34. a holding rod; 35. a knob; 36. a handle; 37. and (4) stabilizing the ring.

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, an intraluminal cutting stapler with a larger rotation angle includes a housing 1, a connecting tube 2 is fixedly connected to one side of the housing 1, and the housing 1 may be any one of the prior art, such as a metal housing. The connecting pipe 2 may be any straight pipe in the prior art, such as a straight metal pipe. The connection pipe 2 is fixedly connected to one side of the housing 1 by welding.

One end of the connecting pipe 2 is communicated with the inside of the shell 1, one end of the connecting pipe 2 is provided with a baffle ring 3, two sides of the baffle ring 3 are respectively and rotatably connected with a rotating disc 4 and a rotating ring 5, and the baffle ring 3 can be any circular ring in the prior art, such as a metal circular ring. The turning disc 4 may be any kind of disc known in the art, such as a metal disc. The rotating disc 4 and the rotating ring 5 are both rotationally connected with the baffle ring 3 through bearings.

One side of swivel becket 5 is equipped with outer tube 6, the inside rotation of outer tube 6 is connected with inner tube 10, the one end rotation of inner tube 10 is connected on one side of swivel becket 5, the one end symmetry of inner tube 10 is provided with first clamp 19 and second clamp 20, one side of first clamp 19 and second clamp 20 is equipped with the portion of turning to, be equipped with the portion of tightening up in the shell 1, one side fixedly connected with suture nail subassembly 21 of first clamp 19, one side of swivel becket 4 and swivel becket 5 all is equipped with spacing portion.

Borrow by above-mentioned structure, through the portion that turns to, outer tube 6, inner tube 10's setting, make through respectively rotatory rolling disc 4 and swivel becket 5 can control first clamp 19 and second clamp 20 and swing and circumferential direction, thereby obtain bigger turned angle, through the setting of tightening part, can drive first clamp 19 and second clamp 20 and press from both sides tightly and open, thereby realize the centre gripping demand of anastomat, through the setting of spacing portion, make anastomat front end executor can be spacing after angle adjustment, thereby prevent to influence the sewing work because of the angle change at the sewing in-process.

As a preferred embodiment of the present embodiment, the steering part includes a transmission shaft 31 fixedly connected to one side of the rotating disc 4, one end of the transmission shaft 31 extends to the outside of the inner tube 10 and is fixedly sleeved with a driving bevel gear 32, one end of the inner tube 10 is fixedly sleeved with a fixing ring 23, the side walls of the fixing ring 23 are symmetrically and fixedly connected with connecting plates 24, one side of each of the two connecting plates 24 is rotatably connected with a same rotating rod 25, the rotating rod 25 is fixedly sleeved with a driven bevel gear 33, the driving bevel gear 32 and the driven bevel gear 33 are engaged with each other, the rotating rod 25 is symmetrically and fixedly sleeved with two connecting rings 26, the side walls of the two connecting rings 26 are fixedly connected with connecting rods 27, one end of each of the two connecting rods 27 is fixedly connected with a fixing strip 28, two rotating shafts 29 are symmetrically and fixedly connected between the two fixing strips 28, the first clamp 19 and the second clamp 20 are respectively rotatably connected to the two rotating shafts 29, the advantage of this setting is, it is rotatory to drive transmission shaft 31 through rotatory rolling disc 4, thereby it is rotatory to drive initiative bevel gear 32, thereby it is rotatory to drive bull stick 25 through engaged with driven bevel gear 33, thereby it is rotatory to drive fixed strip 28 through go-between 26 and connecting rod 27, thereby it can be swung to both sides to drive first clamp 19 and second clamp 20, the whole end effector of anastomat, thereby adjust end effector's angle, then it is rotatory to drive inner tube 10 through swivel ring 5, thereby it is rotatory to carry out circumferential direction to drive connecting plate 24 through solid fixed ring 23, thereby it carries out circumferential direction to drive whole end effector through bull stick 25, thereby make the end effector of anastomat both can be swung to both sides, can carry out circumferential direction again, thereby obtain bigger turned angle.

As a preferred embodiment of this embodiment, the tightening part includes a screw rod 11 disposed in the housing 1, the screw rod 11 is screwed with an internal threaded tube 12, a plurality of limiting sliders 13 are uniformly and fixedly connected to the internal threaded tube 12, a limiting ring 14 is slidably sleeved on the internal threaded tube 12, a plurality of fixing rods 15 are uniformly and fixedly connected to a side wall of the limiting ring 14, one ends of the fixing rods 15 are fixedly connected to an inner wall of the housing 1, one end of the internal threaded tube 12 is rotatably connected with a rotating block 16, one side of the rotating block 16 is fixedly connected with a retractable steel cable 17, one side of the rotating block 16 and the inside of the transmission shaft 31 are both provided with through holes, one end of the retractable steel cable 17 sequentially penetrates through the two through holes and extends to the outside of the inner tube 10, one end of the retractable steel cable 17 is fixedly connected with two branch cables 18, one ends of the two branch cables 18 are respectively and fixedly connected to one sides of the first clamp 19 and the second clamp 20, a plurality of return springs 30 are fixedly connected between the first clamp 19 and the second clamp 20, which has the advantage that, the screw rod 11 is driven to rotate, the internal thread tube 12 is driven to move along the axial direction of the screw rod 11 under the limiting action of the limiting ring 14, thereby the rotating block 16 drives the telescopic steel rope 17 to tighten and slide in the through hole, thereby the two branch ropes 18 drive the first clamp 19 and the second clamp 20 to rotate around the rotating shaft 29, and the return spring 30 is stretched and deformed, thereby clamping the first and second jaws 19 and 20, thereby performing a clamping work, facilitating a stapling work by the staple assembly 21, when the sewing is finished, the knob 35 is rotated reversely to loosen the telescopic steel rope 17, and the first clamp 19 and the second clamp 20 are reset under the elastic force of the reset spring 30, so that the next clamping and sewing operation is facilitated.

As a preferred embodiment of the present embodiment, a straight rod is fixedly connected to one end of the screw rod 11, a rotating hole is formed on an inner wall of one side of the housing 1, and one end of the straight rod penetrates through the rotating hole and is fixedly connected to the knob 35, so that the knob 35 is arranged to facilitate the rotation of the screw rod 11.

As a preferable embodiment of the present embodiment, the limiting portion includes two external threaded pipes 7 fixedly connected to one ends of the connecting pipe 2 and the outer pipe 6, respectively, one ends of the two external threaded pipes 7 are fixedly connected to the rotating disc 4 and the rotating ring 5, respectively, and fastening nuts 8 are screwed to both of the two external threaded pipes 7, so that when the angle adjustment is completed, the two fastening nuts 8 are driven to rotate on the two external threaded pipes 7, thereby pressing the rotating disc 4 and the rotating ring 5, respectively, and the rotating disc 4 and the rotating ring 5 are limited by friction, thereby preventing the angle from being changed due to the rotation of the rotating disc 4 and the rotating ring 5, and preventing the sewing operation from being affected.

As a preferred embodiment of this embodiment, the side walls of the two fastening screw sleeves 8 are fixedly connected with a plurality of force-bearing rods 9, and the side walls of the rotating disc 4 and the rotating ring 5 are both provided with friction thread grooves, so that the fastening screw sleeves 8, the rotating disc 4 and the rotating ring 5 can be conveniently rotated.

As a preferable embodiment of this embodiment, the same holding rod 34 is fixedly connected to the side walls of the outer shell 1, the baffle ring 3 and the outer tube 6, and the holding rod 36 is fixedly connected to the bottom of the outer shell 1, so that the holding rod 34 can fix the outer shell 1, the baffle ring 3 and the outer tube 6 together, thereby improving the stability of the device, and the holding of the device can be facilitated by matching with the holding rod 36.

As a preferred embodiment of the present embodiment, the protection paste 22 is fixedly connected to one side of each of the first clamp 19 and the second clamp 20, so that the protection paste 22 can reduce the direct contact area between the first clamp 19 and the patient, reduce the clamping force by a certain amount, and further reduce the pain of the patient.

As a preferred embodiment of the present embodiment, a plurality of stabilizing rings 37 are rotatably sleeved on the transmission shaft 31, and the plurality of stabilizing rings 37 are all fixedly connected to the inner tube 10, so that the advantage of this arrangement is that the stabilizing rings 37 can play a role of stably supporting the transmission shaft 31, so that the rotation of the transmission shaft 31 is more stable.

The working principle of the invention is as follows: when the anastomat is used, firstly, the front end of the anastomat extends into a patient body, the transmission shaft 31 is driven to rotate by rotating the rotating disc 4, so that the driving bevel gear 32 is driven to rotate, the rotating rod 25 is driven to rotate by the driven bevel gear 33 which is meshed with the driving bevel gear, the fixing strip 28 is driven to rotate by the connecting ring 26 and the connecting rod 27, so that the first clamp 19 and the second clamp 20, namely the whole end effector of the anastomat, can swing towards two sides, so that the angle of the end effector is adjusted, then the inner tube 10 is driven to rotate by the rotating ring 5, so that the connecting plate 24 is driven to rotate by the fixing ring 23 to rotate in the circumferential direction, so that the whole end effector is driven to rotate in the circumferential direction by the rotating rod 25, so that the end effector of the anastomat can swing towards two sides and rotate in the circumferential direction, so that a larger rotating angle can be obtained, and a proper suture position can be conveniently found, when the angle adjustment is completed, the two fastening screw sleeves 8 are respectively driven by the stress rod 9 to rotate on the two external threaded pipes 7, so that the rotating disc 4 and the rotating ring 5 are respectively pressed, the rotating disc 4 and the rotating ring 5 are limited by friction force, and the phenomenon that the sewing work is influenced due to the fact that the rotating disc 4 and the rotating ring 5 rotate to change the angle is avoided.

The rotary knob 35 is used for driving the screw rod 11 to rotate, so that the internal thread tube 12 is driven to move along the axis direction of the screw rod 11 under the limiting effect of the limiting ring 14, the rotary block 16 is used for driving the telescopic steel rope 17 to tighten and slide in the through hole, the two branch ropes 18 are used for driving the first clamp 19 and the second clamp 20 to rotate around the rotating shaft 29, and the reset spring 30 is used for stretching and deforming, so that the first clamp 19 and the second clamp 20 are clamped tightly, the clamping work is completed, the sewing nail assembly 21 is convenient to sew up, when the sewing is finished, the telescopic steel rope 17 can be loosened by reversely rotating the rotary knob 35, the first clamp 19 and the second clamp 20 are reset under the elastic action of the reset spring 30, and the next clamping and sewing work is convenient to carry out.

The setting of inner tube 10 and outer tube 6 for this anastomat is when angle of adjustment, and outer tube 6 with patient's health direct contact can not rotate along with the rotation of inner tube 10 under the limiting displacement of holding rod 34, and then alleviates the influence to the patient, increases the stability when the anastomat uses, and simultaneously, the reducible first clamp 19 of setting up of guard patch 22 and the direct contact area of second clamp 20 and patient carry out certain buffering to the dynamics of clamping, and then alleviate painful sense of patient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a bigger intracavity cutting anastomat of turned angle, includes shell (1), its characterized in that: one side of the shell (1) is fixedly connected with a connecting pipe (2), one end of the connecting pipe (2) is communicated with the inside of the shell (1), one end of the connecting pipe (2) is provided with a baffle ring (3), two sides of the baffle ring (3) are respectively and rotatably connected with a rotating disc (4) and a rotating ring (5), one side of the rotating ring (5) is provided with an outer pipe (6), the inner part of the outer pipe (6) is rotatably connected with an inner pipe (10), one end of the inner pipe (10) is rotatably connected on one side of the rotating ring (5), one end of the inner pipe (10) is symmetrically provided with a first clamp (19) and a second clamp (20), one side of the first clamp (19) and one side of the second clamp (20) are provided with a steering part, a tightening part is arranged in the shell (1), one side of the first clamp (19) is fixedly connected with a sewing nail component (21), one side of the rotating disc (4) and one side of the rotating ring (5) are both provided with a limiting part; the limiting part comprises two external threaded pipes (7) which are fixedly connected to one ends of the connecting pipe (2) and the outer pipe (6) respectively, one ends of the two external threaded pipes (7) are fixedly connected with the rotating disc (4) and the rotating ring (5) respectively, and fastening thread sleeves (8) are screwed on the two external threaded pipes (7); the steering part comprises a transmission shaft (31) fixedly connected to one side of the rotating disc (4), one end of the transmission shaft (31) extends to the outside of the inner pipe (10) and is fixedly connected with a driving bevel gear (32), one end of the inner pipe (10) is fixedly connected with a fixing ring (23), the side wall of the fixing ring (23) is symmetrically and fixedly connected with connecting plates (24), two connecting plates (24) are symmetrically and fixedly connected to one side of the same rotating rod (25), the rotating rod (25) is fixedly connected with a driven bevel gear (33), the driving bevel gear (32) and the driven bevel gear (33) are mutually meshed, the rotating rod (25) is symmetrically and fixedly connected with two connecting rings (26), two connecting rods (27) are fixedly connected to the side wall of the connecting rings (26), and two fixing strips (28) are fixedly connected to one ends of the connecting rods (27), two rotating shafts (29) are symmetrically and fixedly connected between the two fixing strips (28), and the first clamp (19) and the second clamp (20) are respectively and rotatably connected to the two rotating shafts (29); the tightening part comprises a lead screw (11) arranged in a shell (1), the lead screw (11) is connected with an internal thread pipe (12) in a threaded manner, the internal thread pipe (12) is evenly and fixedly connected with a plurality of limiting sliding strips (13), the internal thread pipe (12) is sleeved with a limiting ring (14) in a sliding manner, the side wall of the limiting ring (14) is evenly and fixedly connected with a plurality of fixing rods (15), one ends of the fixing rods (15) are all fixedly connected onto the inner wall of the shell (1), one end of the internal thread pipe (12) is rotatably connected with a rotating block (16), one side of the rotating block (16) is fixedly connected with a telescopic steel rope (17), one side of the rotating block (16) and the inside of a transmission shaft (31) are all provided with through holes, one end of the telescopic steel rope (17) sequentially penetrates through two through holes and extends to the outside of the inner pipe (10), one end of the telescopic steel rope (17) is fixedly connected with two rope distributing ropes (18), one ends of the two rope distributing ropes (18) are respectively and fixedly connected to one sides of the first clamp (19) and the second clamp (20), and a plurality of return springs (30) are fixedly connected between the first clamp (19) and the second clamp (20).

2. The intraluminal cutting stapler with a greater rotation angle according to claim 1, wherein: one end of the screw rod (11) is fixedly connected with a straight rod, a rotating hole is formed in the inner wall of one side of the shell (1), and one end of the straight rod penetrates through the rotating hole and is fixedly connected with a knob (35).

3. The intraluminal cutting stapler with a greater rotation angle according to claim 1, wherein: the side walls of the two fastening screw sleeves (8) are fixedly connected with a plurality of stress rods (9), and the side walls of the rotating disc (4) and the rotating ring (5) are provided with friction thread grooves.

4. The intraluminal cutting stapler with a greater rotation angle according to claim 1, wherein: the outer shell (1), keep off ring (3) and equal fixedly connected with same holding rod (34) on the lateral wall of outer tube (6), the bottom fixedly connected with grab handle (36) of outer shell (1).

5. The intraluminal cutting stapler with a greater rotation angle according to claim 1, wherein: one side of each of the first clamp (19) and the second clamp (20) is fixedly connected with a protection paste (22).

6. The intraluminal cutting stapler with a greater rotation angle according to claim 1, wherein: the transmission shaft (31) is rotatably sleeved with a plurality of stabilizing rings (37), and the stabilizing rings (37) are fixedly connected with the inner tube (10).

Images