CN111388040B

CN111388040B - Half-moon plate sewing crochet hook for orthopedic operation

Info

Publication number: CN111388040B
Application number: CN202010219978.2A
Authority: CN
Inventors: 李晋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-04-09
Anticipated expiration: 2040-03-25
Also published as: CN111388040A

Abstract

The invention discloses a meniscus suture crochet hook for orthopedic surgery, which comprises a fixed frame, a conduit, a handle and an inner cavity, wherein a fixed ring is slidably arranged on the periphery of the conduit, threaded bolts are arranged at two ends of the fixed ring, the fixed frame is slidably arranged on the periphery of the threaded bolts, nuts are rotatably arranged on the periphery of the threaded bolts on the outer side of the fixed frame. The invention can limit the penetration position of the crochet hook in the operation process by arranging a series of structures in the use process of the device, has the advantages of strong overall stability, labor saving, convenient maintenance and the like, and optimizes the use process.

Description

Half-moon plate sewing crochet hook for orthopedic operation

Technical Field

The invention relates to the technical field of orthopedic surgery, in particular to a meniscus suture crochet hook for orthopedic surgery.

Background

The tibia joint surface is provided with an inner side semilunar-shaped bone and an outer side semilunar-shaped bone, namely a meniscus, the edge part of the semilunar-shaped bone is thicker and is tightly connected with a joint capsule, the center part is thin and is in a free state, the semilunar-shaped bone can be automatically repaired after the edge part is damaged, the semilunar-shaped bone can not be automatically repaired after being broken, after the semilunar plate is cut off, a fibrous cartilage thin and narrow semilunar plate can be regenerated by a synovial membrane, the normal semilunar plate has the functions of increasing tibia condyle depression and lining the inner and outer condyles of femur, so that the stability of the joint is increased, the effect of buffering oscillation is realized, and a crochet hook is required to.

The existing half-moon plate sewing crochet hook for orthopedic operation has the defects that:

1. when a meniscus suture operation is performed, a user needs to keep a hand-held state all the time after inserting the crochet hook, so that a fatigue feeling is easy to appear after performing the operation for a long time, for example, in the prior patent CN110731804A, in addition, the accurate positioning can not be realized once when inserting the crochet hook, and the whole crochet hook suture device needs to be rotated in a large range when an external fixing device is arranged;

2. the existing crochet hook for sewing the meniscus is too simple in structure, and the barb is easy to cause secondary damage to the meniscus when the meniscus is pulled out;

3. the phenomenon of slippery hand is easy to occur in the using process, and therefore the half-moon plate stitching crochet hook for the orthopedic surgery is provided to solve the existing problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: when the existing meniscal suturing crochet hook for orthopedic surgery is used for meniscal suturing surgery, a user needs to keep a handheld state after inserting the crochet hook, so that the user can feel tired easily after performing long-time surgery.

In order to achieve the purpose, the invention provides the following technical scheme: the meniscus suture crochet hook for the orthopedic surgery comprises a fixing frame, a catheter, a handle and an inner cavity, wherein a fixing ring is slidably installed on the periphery of the catheter, threaded bolts are installed at two ends of the fixing ring, the fixing frame is slidably installed on the periphery of the threaded bolts, and nuts are rotatably installed on the periphery of the threaded bolts on the outer side of the fixing frame;

a limiting structure is rotatably arranged in the fixing frame, a supporting structure is fixedly arranged at the bottom of the fixing frame, an inner groove is formed in the supporting structure, an adjusting rod is slidably arranged in the inner groove, and a cushion table is fixedly arranged at the bottom of the adjusting rod;

the inner part of the catheter is provided with a crochet hook body, one side of the crochet hook body is fixedly provided with a crochet hook head, the other side of the catheter is fixedly provided with a protective platform, the other side of the protective platform is fixedly provided with a handle, the other side of the handle is fixedly provided with a hanging ring, the inside of the hanging ring is provided with a through hole, the handle is provided with a first rotating slit and a second rotating slit which are arranged in parallel at intervals, each rotating slit is provided with a plurality of chutes which are distributed at equal angles around the circumferential surface of the handle, the extending directions of each chute body are parallel to each other and are parallel to the catheter axis, the two ends of each chute body are respectively communicated with the first rotating slit and the second rotating slit, the inner part of each chute is provided with a slide block, the slide block and the push plate are respectively provided with a magnet, the inner cavity, and a push plate is fixedly arranged on the other side of the reset spring and the crochet hook body.

Furthermore, the surface of the adjusting rod is provided with a limiting hole, and the limiting bolt is superposed with the limiting hole.

Furthermore, the surface of the outer side of the fixing frame at the upper end of the limiting structure is provided with a mark, and a waterproof film is attached to the surface of the mark.

Further, a threaded rod is installed between the limiting structure and the fixing frame in a threaded mode, and a clamping plate is fixedly installed at the other end of the threaded rod.

Furthermore, a limiting bolt is installed on the surface of the supporting structure in a sliding mode, and an anti-oxidation layer is coated on the surface of the limiting bolt.

Furthermore, a check ring is fixedly installed on the periphery of the protection platform, and a thread table is fixedly installed on the other side of the protection platform.

Furthermore, the other side fixed mounting of handle has rings, and the inside of rings is provided with the through-hole.

Furthermore, the handle periphery of the other side of the sliding groove is provided with an anti-slip sleeve, an anti-slip layer is arranged inside the anti-slip sleeve, and a waterproof layer is arranged on the inner side of the anti-slip layer.

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

1. according to the invention, through the matching of the semicircular slits arranged in a staggered manner on the first circumference and the second circumference and the middle sliding groove, the hook head can rotate at any angle, and the hook line operation can not fall empty every time.

2. According to the invention, the limiting structure is rotatably arranged in the fixing frame, the fixing frame is placed at the periphery of a meniscus suture operation to be performed, and the position of the fixing frame is limited by the limiting structure, so that the stability of the device is improved, the fixing ring is adjusted to the angle required by inserting the crochet hook into the meniscus, the nut is rotated after adjustment, the angle of the fixing ring is limited by the threaded bolt under the mutual cooperation with the limiting structure, and the phenomena of displacement and overturning of the fixing ring during use are avoided.

3. According to the invention, the sliding block is slidably arranged in the sliding groove, the inner cavity is arranged in the handle, the return spring is arranged on the periphery of the crochet hook body in the inner cavity, the push plate is fixedly arranged on the other side of the return spring and the crochet hook body, the catheter is inserted into the meniscus, the sliding block in the sliding groove is pushed to drive the push plate to slide in the inner cavity, the crochet hook body is pushed out from the inside of the catheter by the sliding block in the moving process, the suture thread is hooked by the hook head after the push plate is pushed out, the sliding block is released after the hook head is hooked, and the push plate is pushed to move by the elasticity of the return spring, so that the crochet hook body and the suture thread are withdrawn into the catheter and extracted, and the secondary injury.

4. According to the invention, the anti-skid layer is arranged in the anti-skid sleeve, so that the friction force between the device and the hand of a user can be increased, the user can use the device more conveniently, the surface of the adjusting rod is provided with the limiting hole, the limiting bolt coincides with the limiting hole, the length of the adjusting rod extending out of the supporting structure can be adjusted by making the limiting bolt coincide with the limiting holes at different positions on the surface of the adjusting rod, so that the height of the device can be adjusted, the threaded rod is arranged between the limiting structure and the fixing frame in a threaded manner, the clamping plate is fixedly arranged at the other end of the threaded rod, the limiting structure is rotated, the position of the clamping plate is adjusted by using the threaded rod, the position of the device is fixed under the mutual matching of the threaded rod and.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a partial structural view of the fixing frame of the present invention;

FIG. 4 is a partial structural view of the anti-slip cover of the present invention;

FIG. 5 is a partial view of the handle and catheter of the present invention;

fig. 6 is a partial structural view of the handle of the present invention.

In the figure: 1. a fixed mount; 101. identifying; 2. a support structure; 201. adjusting a rod; 202. a limit bolt; 203. a limiting hole; 204. a cushion table; 205. an inner tank; 3. a limiting structure; 301. a splint; 302. a threaded rod; 4. a conduit; 5. a threaded bolt; 6. a nut; 7. a protection platform; 701. a retainer ring; 702. a thread table; 8. a handle; 801. a chute; 802. a hoisting ring; 803. an anti-slip sleeve; 804. an anti-slip layer; 805. a waterproof layer; 9. a slider; 901. pushing the plate; 10. a crochet hook body; 11. a hook head; 12. an inner cavity; 13. a return spring; 14. and (4) fixing 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.

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.

Referring to fig. 1-6, an embodiment of the present invention is shown: the meniscus suture crochet hook for the orthopedic surgery comprises a fixed frame 1, a catheter 4, a handle 8 and an inner cavity 12, wherein a fixed ring 14 is slidably installed on the periphery of the catheter 4, threaded bolts 5 are installed at two ends of the fixed ring 14, the fixed frame 1 is slidably installed on the periphery of the threaded bolts 5, and nuts 6 are rotatably installed on the periphery of the threaded bolts 5 on the outer side of the fixed frame 1;

a limiting structure 3 is rotatably arranged in the fixed frame 1, a supporting structure 2 is fixedly arranged at the bottom of the fixed frame 1, an inner groove 205 is arranged in the supporting structure 2, an adjusting rod 201 is slidably arranged in the inner groove 205, and a cushion table 204 is fixedly arranged at the bottom of the adjusting rod 201;

the inside slidable mounting of pipe 4 has crochet hook body 10, and one side fixed mounting of crochet hook body 10 has gib head 11, the opposite side fixed mounting of pipe 4 has protection platform 7, the opposite side fixed mounting of protection platform 7 has handle 8, the opposite side fixed mounting of handle 8 has rings 802, and rings 802's inside is provided with the through-hole, be provided with two interval parallel arrangement's first and second rotation slit on this handle 8, every rotation slit encircles the half circumference on handle 8 circumferential surface, and two half circumferences are misplaced each other on handle 8 circumferential surface, the circumferential surface of handle 8 is provided with a plurality of spouts 801 that wait angular distribution, the extending direction of every spout 801 cell body is parallel to each other and all is on a parallel with pipe 4 axis, the both ends of spout 801 communicate first and second rotation slit respectively, the inside slidable mounting of spout 801 has slider 9, magnets are respectively arranged in the sliding block 9 and the push plate 901, an inner cavity 12 is arranged in the handle 8, a return spring 13 is arranged on the periphery of the crochet hook body 10 in the inner cavity 12, and the push plate 901 is fixedly arranged on the other side of the return spring 13 and the crochet hook body 10.

The two ends of the fixing ring 14 are provided with threaded bolts 5, the fixing frame 1 is installed on the periphery of the threaded bolts 5 in a sliding mode, nuts 6 are installed on the periphery of the threaded bolts 5 on the outer side of the fixing frame 1 in a rotating mode, the fixing ring 14 is adjusted to the angle required by the fact that the crochet hook is inserted into the meniscus, the nuts 6 are rotated after adjustment, the angle of the fixing ring 14 is limited by the threaded bolts 5 under the mutual matching of the fixing ring 14 and the limiting structure 3, and the phenomena of displacement and overturning of the fixing ring 14 during use are avoided;

the fixing frame 1 is internally and rotatably provided with a limiting structure 3, the fixing frame 1 is placed on the periphery of a meniscus suture operation to be performed, and the position of the fixing frame 1 is limited by the limiting structure 3, so that the stability of the device is improved;

inside slidable mounting of pipe 4 has crochet hook body 10, and one side fixed mounting of crochet hook body 10 has gib head 11, the opposite side fixed mounting of pipe 4 has protection platform 7, insert pipe 4 in the inside of meniscus, through promoting the inside slider 9 of spout 801, slider 9 drives push pedal 901 and slides in the inside of inner chamber 12, slider 9 is ejecting with crochet hook body 10 from the inside of pipe 4 in the in-process that removes, it hooks the stylolite to utilize gib head 11 after ejecting, loosen slider 9 after hooking, utilize the elasticity that reset spring 13 possessed to promote push pedal 901 and remove, thereby realize withdrawing crochet hook body 10 and stylolite and withdrawing and take out in the pipe 4, thereby realize sewing up.

Further, the surface of the adjusting rod 201 is provided with a limiting hole 203, the limiting bolt 202 coincides with the limiting hole 203, and the length of the adjusting rod 201 extending out of the supporting structure 2 can be adjusted by coinciding the limiting bolt 202 with the limiting hole 203 at different positions on the surface of the adjusting rod 201, so that the height of the adjusting device is adjusted.

Further, 1 outside surface of mount of limit structure 3 upper end is provided with sign 101, and the surface of sign 101 is attached to have waterproof film, can show the staff with the form of characters to the model, performance and the principle of device to more make things convenient for the user of service to use the device.

Further, threaded rod 302 is installed to the screw between limit structure 3 and the mount 1, and the other end fixed mounting of threaded rod 302 has splint 301, rotates limit structure 3, utilizes threaded rod 302 to realize adjusting splint 301's position, realizes fixing the position of device under mutually supporting with nut 6, improves the stability of device.

Further, the surface of bearing structure 2 slidable mounting limit bolt 202 utilizes limit bolt 202 can adjust the length that adjusting rod 201 extends out bearing structure 2, and limit bolt 202's surface coating has the oxidation barrier, can effectually prevent that the surface of the oxygen that contains in the air from oxidizing equipment after the coating to the life of extension equipment.

Further, the periphery of the protection platform 7 is fixedly provided with a retainer ring 701, the handle 8 can be protected by the retainer ring 701 when the protection platform is used, the threaded platform 702 is fixedly arranged on the other side of the protection platform 7, and the protection platform 7 and the handle 8 can be connected and detached by the threaded platform 702 when the protection platform is used, so that the structure in the inner cavity 12 can be maintained and replaced.

Further, handle 8's opposite side fixed mounting has rings 802, and rings 802's inside is provided with the through-hole, can utilize pull wire and outside draw gear to carry out fixed connection to more make things convenient for the user of service to remove and adjust the position of device, improve the practicality of device.

Further, the handle 8 periphery of spout 801 opposite side is provided with anti-skidding cover 803, and the inside of anti-skidding cover 803 is provided with skid resistant course 804, can increase the frictional force of device and user's hand to more make things convenient for the user to use the device, and the inboard of skid resistant course 804 is provided with waterproof layer 805, can utilize the inside that tarpaulin prevented water stain entering equipment effectively, make equipment can work under the environment of difference, increase its sealing performance.

The working principle is as follows: the fixing frame 1 is placed at the periphery of a meniscus suture operation to be performed, the position of the fixing frame 1 is limited by using the limiting structure 3, the fixing ring is adjusted to a rough angle required by inserting a crochet hook into a meniscus, the nut is rotated after adjustment, the angle of the fixing ring is limited by using a threaded bolt under the mutual matching of the fixing ring and the limiting structure, the phenomenon that the fixing ring displaces and turns over when in use is avoided, the catheter 4 is inserted into the meniscus, then the slider 9 is pushed into the first slit towards the hanging ring 802 side and is rotated in the first slit, the sliding and rotating synchronously drive the push plate 901 to move and rotate in the inner cavity 12 through the magnetic attraction force, so as to drive the crochet hook body 10 to rotate in the catheter 4, when the tape rotates to a rough position, the slider 9 enters the nearby chute 801 and applies the pushing force towards the catheter 4 side, the bearded needle body 10 is driven to move and enter the second annular slit, the bearded needle body 10 is ejected out of the interior of the guide pipe 4 in the moving process, if the current bearded needle does not hook a suture, the sliding block 9 is rotated again to enable the hook to rotate in the first slit, the hook returns from the nearest sliding groove 801 after hooking the suture, and therefore the bearded needle body 10 and the suture are finally drawn out in the guide pipe 4, secondary damage to a meniscus in the taking-out process of the barb is avoided in the sewing process, the final rotating angle of the bearded needle can be made as large as possible due to the fact that the two rotating slits are mutually staggered on the circumferential surface of the handle 8 in the process, and when the bearded head is close to a complete circumference, the winding angle of the suture cannot be too large in the second stage of extending out of the guide pipe 4.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an orthopedic surgery is with half moon board suturing crochet hook, includes mount (1), pipe (4), handle (8) and inner chamber (12), its characterized in that: a fixing ring (14) is slidably mounted on the periphery of the guide pipe (4), threaded bolts (5) are mounted at two ends of the fixing ring (14), a fixing frame (1) is slidably mounted on the periphery of the threaded bolts (5), and nuts (6) are rotatably mounted on the periphery of the threaded bolts (5) on the outer side of the fixing frame (1);

a limiting structure (3) is rotatably arranged in the fixed frame (1), a supporting structure (2) is fixedly arranged at the bottom of the fixed frame (1), an inner groove (205) is arranged in the supporting structure (2), an adjusting rod (201) is slidably arranged in the inner groove (205), and a cushion table (204) is fixedly arranged at the bottom of the adjusting rod (201);

the inside slidable mounting of pipe (4) has crochet hook body (10), and one side fixed mounting of crochet hook body (10) has gib head (11), the opposite side fixed mounting of pipe (4) has protection platform (7), the opposite side fixed mounting of protection platform (7) has handle (8), the opposite side fixed mounting of handle (8) has rings (802), and the inside of rings (802) is provided with the through-hole, be provided with two first and second rotation slits of interval parallel arrangement on this handle (8), every rotation slit encircles half circumference on handle (8) circumferential surface, and two half circumferences misplace each other on handle (8) circumferential surface, the circumferential surface of handle (8) is provided with spout (801) of a plurality of angular distributions such as, the extending direction of every spout (801) cell body is parallel to each other and all is on a parallel with pipe (4) axis, the two ends of the chute body of the chute (801) are respectively communicated with the first rotating slit and the second rotating slit, the sliding block (9) is arranged inside the chute (801) in a sliding mode, magnets are arranged in the sliding block (9) and the push plate (901) respectively, the inner cavity (12) is arranged inside the handle (8), the reset spring (13) is arranged on the periphery of the crochet hook body (10) inside the inner cavity (12), and the push plate (901) is fixedly arranged on the other side of the reset spring (13) and the crochet hook body (10).

2. The half-moon plate suture crochet hook for orthopedic surgery according to claim 1, characterized in that: the surface of the adjusting rod (201) is provided with a limiting hole (203), and the limiting bolt (202) is overlapped with the limiting hole (203).

3. The half-moon plate suture crochet hook for orthopedic surgery according to claim 1, characterized in that: the outer side surface of the fixing frame (1) at the upper end of the limiting structure (3) is provided with a mark (101), and a waterproof film is attached to the surface of the mark (101).

4. The half-moon plate suture crochet hook for orthopedic surgery according to claim 1, characterized in that: threaded rod (302) are installed to the screw between limit structure (3) and mount (1), and the other end fixed mounting of threaded rod (302) has splint (301).

5. The half-moon plate suture crochet hook for orthopedic surgery according to claim 1, characterized in that: the surface of the supporting structure (2) is provided with a limiting bolt (202) in a sliding mode, and the surface of the limiting bolt (202) is coated with an anti-oxidation layer.

6. The half-moon plate suture crochet hook for orthopedic surgery according to claim 1, characterized in that: the periphery of the protection platform (7) is fixedly provided with a check ring (701), and the other side of the protection platform (7) is fixedly provided with a thread platform (702).

7. The half-moon plate suture crochet hook for orthopedic surgery according to claim 1, characterized in that: the handle (8) on the other side of the sliding groove (801) is provided with an anti-slip sleeve (803) at the periphery, an anti-slip layer (804) is arranged inside the anti-slip sleeve (803), and a waterproof layer (805) is arranged on the inner side of the anti-slip layer (804).