CN113081110A

CN113081110A - Urethral anastomat capable of quickly breaking line

Info

Publication number: CN113081110A
Application number: CN202110348329.7A
Authority: CN
Inventors: 叶俊杰; 周小庆; 李朋; 张会江; 张伟丽
Original assignee: Lishui City Peoples Hospital
Current assignee: Lishui City Peoples Hospital
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-07-09

Abstract

The invention discloses a urethra anastomat capable of quickly breaking a line, which comprises: the shell, the outer wall front end of shell has been seted up and has been accomodate the groove, accomodate the groove and be annular equidistance distribution with the shell middle part as the center altogether, accomodate the inslot and install supporting mechanism respectively, the middle section of shell is seted up and is accomodate the corresponding puncture groove in groove, and swing joint has the pjncture needle in the puncture groove, and the front end of pjncture needle is the spine form and inside hollow structure that is, and the inside swing joint of pjncture needle has broken string mechanism, and the end of shell is provided with pushes away the handle. According to the invention, the thread cutting mechanism is designed in the anastomat, the pull handle is pulled outwards after the anastomat is punctured to a certain depth to drive the pull rope to retract the pull rope, the suture thread is cut by the blade on the pull ring in the retracting process, so that the suture thread is quickly cut off, the toughness of the suture thread is the same, the phenomenon of breakage in the tightening process is avoided, the uniformity of sewing ten suture threads can be improved, and the sewing quality is improved.

Description

Urethral anastomat capable of quickly breaking line

Technical Field

The invention relates to the technical field of medical instruments, in particular to a urethral anastomat capable of quickly breaking a thread.

Background

The anastomat is equipment used for replacing traditional manual suturing in medicine, due to the development of modern science and technology and the improvement of manufacturing technology, the anastomat used clinically at present is reliable in quality, convenient to use, tight and proper in tightness, particularly has the advantages of being rapid in suturing, simple and convenient to operate, few in side effects and operation complications and the like, sometimes enables the focus of a tumor operation which cannot be cut off in the past to be cut off, is popular and advocated by clinical surgeons at home and abroad, and has the main working principle that a titanium nail is used for breaking or inosculating tissues, and is similar to a stapler. According to different application ranges, the surgical stapler can be mainly divided into a skin stapler, a circular stapler for digestive tracts (esophagus, stomach and intestine and the like), a rectal stapler, a circular hemorrhoid stapler, a circumcision stapler, a blood vessel stapler, a hernia stapler, a lung cutting stapler and the like. However, for the urinary system, the anastomosis operation is generally performed by an open surgery, which causes great physiological pain to the patient, is easy to cause complications along with the lapse of time, causes secondary pain to the patient, is currently in a starting stage due to the limitation of a specific operation position of the urinary system anastomat, and does not provide a relatively complete urinary system anastomat model at home and abroad.

At present, current urethra anastomat sets up the less stylolite of a section diameter through drawing zipper type suture tip to at tensile in-process automatic fracture, the stylolite fracture has certain demand to the dynamics, and the grasp that can not be fine is to the tightening degree of stylolite, also unexpected cracked risk when not tightening up completely simultaneously, causes the poor phenomenon of anastomotic quality. For this reason, a new scheme needs to be designed to give improvements.

Disclosure of Invention

The invention aims to provide a urethra anastomat capable of quickly breaking threads, and the urethra anastomat can be used for solving the problems that a section of suture thread with a small diameter is arranged at the end part of a zipper type suture thread to automatically break in the stretching process, the suture thread breaks to meet certain force requirements, the tightening degree of the suture thread cannot be well mastered, meanwhile, the risk of accidental breakage exists when the suture thread is not completely tightened, and the phenomenon of poor anastomosis quality is caused, and meets the actual use requirements.

In order to achieve the purpose, the invention provides the following technical scheme: a rapid-severing urethral stapler comprising: the puncture needle comprises a shell, wherein the front end of the outer wall of the shell is provided with ten accommodating grooves, the ten accommodating grooves are annularly and equidistantly distributed by taking the middle part of the shell as a center, supporting mechanisms are respectively arranged in the accommodating grooves, the middle section of the shell is provided with puncture grooves corresponding to the accommodating grooves, puncture needles are movably connected in the puncture grooves, the front end of each puncture needle is in a sharp shape, the interior of each puncture needle is of a hollow structure, the interior of each puncture needle is movably connected with a wire breaking mechanism, the tail end of the shell is provided with a push handle, the tail end of each puncture needle penetrates through the shell and is fixedly connected with the top surface of the push handle, and the surface of the push handle and the joint of the puncture needle are; the thread breakage mechanism comprises a pull handle and a pull rope, the pull handle is installed below the push handle, the pull rope extends downwards along the inside of the puncture needle, the tail end of the pull rope penetrates through the connecting hole and is fixedly connected with the pull handle, the pull rope is a double-strand rope, a rope ring is formed at the top end of the pull rope, the pull rope extends out of the puncture needle, the rope ring is sleeved on the outside of the zipper type suture, and a blade is arranged on the inner wall of the rope ring.

As a preferred embodiment of the present invention, a driving mechanism is installed at the front end inside the housing, the driving mechanism includes a motor, a screw rod and an adjusting block, a screw hole is vertically formed in the middle of the adjusting block and is in threaded connection with the screw rod through the screw hole, the motor is fixed at the front end inside the housing, and a power output end of the motor is connected with the other end of the screw rod.

As a preferred embodiment of the present invention, the supporting mechanism includes a supporting arm, an adjusting arm and a connecting arm, the middle part of the connecting arm is bent at 160 °, one end of the connecting arm is rotatably connected to the end of the supporting arm, the other end of the connecting arm is rotatably connected to the accommodating groove, a through hole is formed in the middle part of the connecting arm, the adjusting arm is in a 7-shaped structure, one end of the adjusting arm passes through the through hole and is rotatably connected to the connecting arm, and the other end of the adjusting arm passes through the accommodating groove and is rotatably connected to the side wall of.

In a preferred embodiment of the present invention, the connecting arm further has a fixing groove formed on a surface thereof, the puncture needle has an insertion groove formed thereon, and one end of the zipper type suture is inserted into the fixing groove and the other end thereof is inserted into the insertion groove.

As a preferred embodiment of the invention, the surface of the shell is further provided with a limiting groove, two sides of the limiting groove are respectively provided with a limiting block, the limiting blocks are made of rubber materials, and the middle section of the zipper type suture line is embedded into the limiting groove.

In a preferred embodiment of the present invention, a guide block is disposed inside the housing and inside the puncturing groove, the guide block has a tapered structure, and the puncturing groove has an arc-shaped structure and a distal end extending in a direction of a tip end of the guide block.

In a preferred embodiment of the present invention, a button electrically connected to the motor is further installed at an end of the outer wall of the housing.

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

(1) according to the invention, ten supporting mechanisms are adopted to support and sew the sewing position of the bladder and the urethra, so that the tightness of the bystander and urethra sewing is improved, and the sewing quality is improved.

(2) The thread breaking mechanism is designed in the anastomat, the pull handle is pulled outwards to drive the pull rope after the anastomat is punctured to a certain depth, the pull rope is retracted, the suture thread is cut through the blade on the pull ring in the retracting process, so that the suture thread is broken rapidly, the toughness of the suture thread is the same, the phenomenon that the suture thread is broken in the tightening process is avoided, the uniformity of sewing ten suture threads can be improved, and the sewing quality is improved.

Drawings

FIG. 1 is an external structural view of a quick disconnect urethral stapler in accordance with the present invention;

FIG. 2 is a developed structural view of the quick disconnect urethral stapler of the present invention;

FIG. 3 is an enlarged structural view of A in FIG. 2;

FIG. 4 is a view of a deployed tape structure of the quick disconnect urethral stapler of the present invention;

fig. 5 is an enlarged structural view of B in fig. 4.

In the figure, 1, a shell; 2. puncturing needle; 3. a support mechanism; 4. a receiving groove; 5. puncturing grooves; 6. a button; 7. a push handle; 8. pulling a handle; 9. a motor; 10. a screw; 11. an adjusting block; 12. a limiting block; 13. a guide block; 14. a limiting groove; 15. embedding a groove; 16. pulling a rope; 17. a rope loop; 18. a blade; 31. a support arm; 32. an adjusting arm; 33. a connecting arm; 34. and fixing the grooves.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a rapid-severing urethral stapler comprising: the novel suture cutting device comprises a shell 1, wherein the front end of the outer wall of the shell 1 is provided with a containing groove 4, the containing groove 4 is provided with ten and is distributed in an annular equidistant manner by taking the middle part of the shell 1 as the center, supporting mechanisms 3 are respectively arranged in the containing groove 4, the supporting mechanisms 3 can be completely contained in the containing groove 4, the middle section of the shell 1 is provided with a puncture groove 5 corresponding to the containing groove 4, a puncture needle 2 is movably connected in the puncture groove 5, the puncture needle 2 can extend out of the puncture groove 5, the front end of the puncture needle 2 is in a spike shape and is of a hollow structure, an embedding groove 15 is formed in the puncture needle 2, the inner part of the puncture needle 2 is movably connected with a suture cutting mechanism, the suture cutting mechanism cuts a suture after the zipper-type suture is tightened, the tail end of the zipper-type suture is provided with a push handle 7, the puncture needle 2 is pushed by the push handle 7 to perform puncture operation, the tail, a connecting hole is formed on the surface of the push handle 7 and at the connecting part with the puncture needle 2; the broken string mechanism includes pull handle 8 and stay cord 16, pull handle 8 is installed in the below that pushes away handle 7, the stay cord is along 2 inside downwardly extending of pjncture needle and terminal through connection hole and with pull handle 8 fixed connection, stay cord 16 is double-stranded rope and top formation becket bridle 17 and extends to outside pjncture needle 2, becket bridle 17 cover is established outside the zip fastener type suture and is provided with blade 18 on becket bridle 17's the inner wall, zip fastener type suture adopts absorbable material to make, pull handle 8 surface sets up anti-skidding stripe, drive stay cord 16 outwards after pulling handle 8 outwards, because becket bridle 17 overlaps outside the suture, 18 and the stylolite contact at the in-process of pulling, come to cut off the suture.

As shown in fig. 2: actuating mechanism is installed to the inside front end of shell 1, actuating mechanism includes motor 9, screw rod 10 and regulating block 11, the screw has been seted up perpendicularly in the middle part of regulating block 11 and has been connected with screw rod 10 threaded connection through the screw, motor 9 is fixed and is connected with the other end of screw rod 10 at the inside front end of shell 1 and the power take off end of motor 9, it rotates to drive screw rod 10 through motor 9, screw rod 10 is in the pivoted while, regulating block 11 receives the influence of rotation screw thread and removes along the extending direction of screw rod 10, thereby it comes the 3 expandes of supporting mechanism 3 to promote supporting mechanism 3.

As shown in fig. 2: the supporting mechanism 3 comprises a supporting arm 31, an adjusting arm 32 and a connecting arm 33, the middle part of the connecting arm 33 is bent for 160 degrees, one end of the connecting arm 33 is rotatably connected with the tail end of the supporting arm 31, the other end of the connecting arm is rotatably connected with the accommodating groove 4, a through hole is formed in the middle part of the connecting arm 33, the adjusting arm 32 is of a 7-shaped structure, one end of the adjusting arm passes through the through hole and is rotatably connected with the connecting arm 33, the other end of the adjusting arm passes through the accommodating groove 4 and is rotatably connected with the side wall of the adjusting block 11, and the adjusting block 11 drives the.

As shown in fig. 2: the surface of connecting arm 33 has still seted up fixed slot 34, has seted up on pjncture needle 2 and has inlayed groove 15, and in pjncture needle formula stylolite one end was embedded into fixed slot 34, the other end was embedded into and is inlayed groove 15, and pjncture needle 2 passed fixed slot 34 after the puncture, and the zip fastener formula stylolite is the annular and connects.

As shown in fig. 2: the surface of shell 1 still is provided with spacing groove 14, and the both sides of spacing groove 14 are provided with stopper 12 respectively, and stopper 12 is made for rubber materials, and the middle section of zip fastener formula stylolite is embedded into spacing groove 14 in, plays certain limiting displacement to the zip fastener formula stylolite, avoids taking place the displacement and influence normal anastomotic operation in puncture process.

As shown in fig. 2: the inside of shell 1 just is located puncture groove 5's inboard and is provided with guide block 13, and guide block 13 is the tapered structure, and puncture groove 5 is the arc structure and terminal to the most advanced direction extension of guide block 13, has played the effect of direction to puncture needle 2.

Specifically, the button 6 electrically connected with the motor 9 is further installed at the tail end of the outer wall of the housing 1, and the motor 9 is driven to rotate.

Before anastomosis, the bladder neck is required to be remolded and anastomosis preparation is made, the concave part of the zipper type suture is fixed in the fixing groove, and the convex top end is fixed in the embedding groove. Inserting the anastomat into the urethra through penis, before exciting the suture line, accurately determining the position of the anastomat in the urethra, after the bladder is close to the residual end of the urethra, starting a driving mechanism to drive a supporting mechanism 3, after the supporting mechanism 3 is unfolded, pushing a push handle 7 in to penetrate out a puncture needle 2, rapidly cutting the bladder tissue of the urethra by the tip of the puncture needle 2, accurately penetrating through the concave part of the suture line, gradually fastening the suture line when the pusher moves forwards, eliminating the possibility of causing suture tension loss by the unidirectional concave part, after the bladder neck and the urethra are tightened, pulling a pull handle 8 outwards and driving a pull rope 16 to move outwards so as to cut the suture line through a rope ring 17, after the suture line is cut, taking the supporting mechanism 3 into a containing groove 4 through the driving mechanism, and simultaneously pulling out the puncture needle 2 to avoid tissue damage caused by uneven fastening of the suture line, once the pusher has been separated from the suture, it is withdrawn into the stapler, leaving 10 sutures tightly stitched to completion, and the 10 fins protected by the pusher are also withdrawn and folded back into the stapler, after which the stapler is withdrawn from the 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rapid-severing urethral stapler comprising: housing (1), characterized in that: the puncture needle is characterized in that a containing groove (4) is formed in the front end of the outer wall of the shell (1), the containing grooves (4) are provided with ten and distributed in an annular and equidistant mode by taking the middle of the shell (1) as the center, supporting mechanisms (3) are respectively installed in the containing grooves (4), a puncture groove (5) corresponding to the containing groove (4) is formed in the middle section of the shell (1), a puncture needle (2) is movably connected in the puncture groove (5), the front end of the puncture needle (2) is in a spine shape and is of a hollow structure, a wire breaking mechanism is movably connected in the puncture needle (2), a push handle (7) is arranged at the tail end of the shell (1), the tail end of the puncture needle (2) penetrates through the shell (1) and is fixedly connected with the top surface of the push handle (7), and a connecting hole is formed in the surface of the push handle (7) and the connecting part of the puncture needle;

the thread breakage mechanism comprises a pull handle (8) and a pull rope (16), the pull handle (8) is installed below a push handle (7), the pull rope (16) is fixedly connected with the pull handle (8) along the inner portion of a puncture needle (2) in a downward extending mode, a rope ring (17) is formed at the top end of the pull rope (16) and extends to the puncture needle (2), and a blade (18) is arranged on the inner wall of the rope ring (17) and outside the zipper type suture line in a sleeved mode of the rope ring (17).

2. The urethral stapler with quick disconnect according to claim 1, wherein: actuating mechanism is installed to the inside front end of shell (1), actuating mechanism includes motor (9), screw rod (10) and regulating block (11), the screw has been seted up perpendicularly at the middle part of regulating block (11) and through screw and screw rod (10) threaded connection, motor (9) are fixed and are connected at the other end of the power take off end of the inside front end of shell (1) and motor (9) and screw rod (10).

3. The urethral stapler with quick disconnect according to claim 1, wherein: supporting mechanism (3) are including support arm (31), regulating arm (32) and linking arm (33), the middle part of linking arm (33) is 160 and buckles, and the one end of linking arm (33) rotates with the end of support arm (31) to be connected, the other end with accomodate groove (4) and rotate to be connected, and the through-hole has been seted up at the middle part of linking arm (33), regulating arm (32) are 7 font structures and one end and pass the through-hole and rotate with linking arm (33) and be connected, the other end passes and accomodate groove (4) and rotate with regulating block (11) lateral wall and be connected.

4. The urethral stapler with quick disconnect according to claim 3, wherein: the surface of the connecting arm (33) is further provided with a fixing groove (34), the puncture needle (2) is provided with an embedding groove (15), one end of the zipper type suture line is embedded into the fixing groove (34), and the other end of the zipper type suture line is embedded into the embedding groove (15).

5. The urethral stapler with quick disconnect according to claim 1, wherein: the surface of shell (1) still is provided with spacing groove (14), the both sides of spacing groove (14) are provided with stopper (12) respectively, stopper (12) are made for rubber materials, and the middle section of zip fastener formula stylolite is embedded into in spacing groove (14).

6. The urethral stapler with quick disconnect according to claim 1, wherein: the inside of shell (1) just is located the inboard of puncture groove (5) and is provided with guide block (13), guide block (13) are the tapered structure, puncture groove (5) are arc structure and terminal to the most advanced direction extension of guide block (13).

7. The urethral stapler with quick disconnect according to claim 1, wherein: the terminal of the outer wall of the shell (1) is also provided with a button (6) electrically connected with the motor (9).