CN213525436U

CN213525436U - Optimized orthopedic surgical instrument

Info

Publication number: CN213525436U
Application number: CN202021924387.7U
Authority: CN
Inventors: 周世恒
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-06-25
Anticipated expiration: 2030-09-04

Abstract

The utility model relates to the technical field of medical equipment, in particular to an optimized orthopaedic surgical instrument, which comprises a bottom plate, wherein fixed blocks are symmetrically and fixedly arranged on both sides of the upper side wall of the bottom plate, outer arc frames are symmetrically and rotatably arranged on the upper side walls of two groups of fixed blocks, inner arc frames are symmetrically arranged on the opposite sides of the two groups of outer arc frames, the two groups of inner arc frames are respectively and rotatably connected with the two groups of fixed blocks, and one sides of the inner arc frames and one sides of the outer arc frames, which are far away from the fixed blocks, are respectively provided with an integrally formed connecting block; compared with the prior art, the utility model discloses can carry out quick accurate regulation to the angle of planting the nail and getting the nail, effectively avoided the tradition to plant the nail and get the angle of nail and rely on the operation doctor to rely on handheld planting the nail and getting the nail ware to carry out regulation control completely at orthopedic operation, not only waste time and energy, the position skew appears very easily in the operation process of planting the nail or getting the nail moreover, and then causes the patient to receive the problem of secondary injury.

Description

Optimized orthopedic surgical instrument

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an optimized type orthopedic surgery apparatus.

Background

Orthopedics is one of the most common departments in all hospitals, and mainly studies the anatomy, physiology and pathology of the skeletal muscle system, and maintains and develops the normal form and function of the system by using medicines, operations and physical methods. With the change of times and society, the orthopedic injury spectrum has obvious changes, for example, diseases such as osteoarticular tuberculosis, osteomyelitis, poliomyelitis and the like are obviously reduced, and the injuries caused by traffic accidents are obviously increased. The change of the orthopedic injury spectrum requires the orthopedics to be advanced with time.

Bone nail is used for stabilizing new fracture, the revision operation, the joint fuses to and rebuild enough, the ossicle of ankle and toe, the implantation of bone nail need adopt special bone nail screwdriver when taking out, the tradition is planted the nail and is got the angle of nail and rely on the operation doctor to rely on handheld nail of planting and get the nail ware and adjust control completely at orthopedic operation, not only waste time and energy, it shifts once more to plant the nail or get the operation in-process of nail appear very easily moreover, and then causes the patient to receive the secondary injury.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an optimized orthopedic surgical instrument.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an optimized orthopedic surgical instrument comprises a bottom plate, wherein fixed blocks are symmetrically and fixedly arranged on two sides of the upper side wall of the bottom plate, two groups of fixed blocks are symmetrically and rotatably arranged on the upper side wall of each fixed block, two groups of outer arc frames are symmetrically and internally provided with arc frames, two groups of inner arc frames are respectively and rotatably connected with the two groups of fixed blocks, one sides of the inner arc frames and the outer arc frames, far away from the fixed blocks, are respectively provided with an integrally formed connecting block, two adjacent groups of connecting blocks are fixed through connecting screw threads, the inner cavity of each outer arc frame is slidably provided with a sliding block, the inner cavity of each sliding block is rotatably provided with a transmission shaft, one side of each transmission shaft is provided with an adjusting device, the inner cavity of each sliding block is fixedly provided with an inner threaded pipe, the inner cavity of each inner threaded pipe is provided with a threaded rod, one, and a nail screwing device is arranged on the upper side wall of the internal thread pipe.

Preferably, adjusting device includes the gear, gear fixed mounting in one side of transmission shaft, the wall all is seted up flutedly around the interior arc frame, the lower lateral wall fixed mounting of recess with the arc ring gear that gear engagement is connected, outer arc frame is close to a lateral wall of interior arc frame seted up with the first guide way of gear looks adaptation, the gear is kept away from a lateral wall fixed mounting of slider has the leading wheel, the lateral wall of leading wheel with the inside wall of outer arc frame contacts.

Preferably, the transmission shaft is kept away from one side fixed mounting of gear has first worm wheel, the last lateral wall fixed mounting of slider has first collar, first collar is close to outer arc frame a lateral wall symmetry fixed mounting has first installation piece, two sets of rotate between the first installation piece install with the first worm that first worm wheel meshing is connected.

Preferably, twist the device of binding and include the second collar, second collar fixed mounting in the last lateral wall of internal thread pipe, the last lateral wall fixed mounting of second collar has the support ring, the support ring is kept away from a lateral wall of second collar rotates and installs the second worm wheel, the second worm is installed in one side meshing of second worm wheel, the both sides of second worm are all rotated and are installed the second installation piece, and are two sets of the second installation piece all with second collar fixed connection.

Preferably, a second guide groove is formed in the outer side wall of the threaded rod, and a guide block matched with the guide groove is fixedly mounted on the inner side wall of the second worm wheel.

Preferably, a supporting platform is fixedly installed at the center of the upper side of the bottom plate, and a supporting groove is formed in the center of one side wall of the supporting platform, which is far away from the bottom plate.

The utility model provides an optimized type bone surgery apparatus, beneficial effect lies in: through setting up arc ring gear, first worm and first worm wheel for when carrying out the orthopedic operation of planting the nail and getting the nail, can rotate first worm, make first worm drive first worm wheel and rotate, and drive gear through the transmission shaft and rotate, make the gear roll along the outside of arc ring gear, thereby realize the regulation to criticizing first angle, with the implantation and the taking out of the bone nail of satisfying different angles, compare with prior art, the utility model discloses can carry out quick accurate regulation to the angle of planting the nail and getting the nail, effectively avoided the tradition to plant the nail and get the angle of nail and rely on the operation doctor to hand-held the nail and get the nail ware and carry out regulation control at orthopedic operation nail, not only waste time and energy, and the position skew appears very easily in the operation process of planting the nail or getting the nail, and then cause the patient to receive the problem of secondary injury.

Drawings

FIG. 1 is a front view of an optimized orthopedic surgical instrument according to the present invention;

FIG. 2 is an enlarged view of the A-portion structure of the optimized orthopaedic surgical instrument according to the present invention;

FIG. 3 is an enlarged view of the B-portion structure of the optimized orthopaedic surgical instrument of the present invention;

FIG. 4 is a rear side view of an optimized orthopaedic surgical instrument according to the present invention;

FIG. 5 is a side view of an outer arc frame structure of an optimized orthopaedic surgical instrument according to the present invention;

fig. 6 is a side view of the inner arc frame structure of the optimized orthopaedic surgical instrument of the present invention.

In the figure: the fixing device comprises a bottom plate 1, a supporting platform 2, a bracket 3, a fixing block 4, an outer arc frame 5, an inner arc frame 6, a groove 7, an arc-shaped toothed ring 8, a connecting block 9, a connecting screw rod 10, a first guide groove 11, a sliding block 12, a transmission shaft 13, a gear 14, a guide wheel 15, a first mounting ring 16, a first mounting block 17, a first worm 18, a first worm wheel 19, an internally threaded pipe 20, a threaded rod 21, a second guide groove 22, a screwdriver head 23, a second mounting ring 24, a support ring 25, a second worm wheel 26, a second mounting block 27, a second worm 28 and a guide block 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, an optimized orthopaedic surgical instrument comprises a base plate 1, fixed blocks 4 are symmetrically and fixedly installed on two sides of the upper side wall of the base plate 1, outer arc frames 5 are symmetrically and rotatably installed on the upper side walls of two groups of fixed blocks 4, inner arc frames 6 are symmetrically arranged on opposite sides of the two groups of outer arc frames 5, the two groups of inner arc frames 6 are respectively and rotatably connected with the two groups of fixed blocks 4, integrally formed connecting blocks 9 are respectively arranged on one sides of the inner arc frames 6 and the outer arc frames 5 away from the fixed blocks 4, two adjacent groups of connecting blocks 9 are fixed by connecting screws 10 in a screwed manner, a supporting platform 2 is fixedly installed at the center of the upper side of the base plate 1, a supporting groove 3 is arranged at the center of one side wall of the supporting platform 2 away from the base plate 1, the supporting groove 3 is used for placing a bone part of a patient to be nailed, the connecting screws, thereby being convenient for the bone part of the patient to be nailed to be placed on the bracket 3.

A sliding block 12 is slidably mounted in an inner cavity of the outer arc frame 5, a transmission shaft 13 is rotatably mounted in the inner cavity of the sliding block 12, an adjusting device is arranged on one side of the transmission shaft 13 and comprises a gear 14, the gear 14 is fixedly mounted on one side of the transmission shaft 13, grooves 7 are formed in the front side wall and the rear side wall of the inner arc frame 6, an arc-shaped toothed ring 8 meshed with the gear 14 is fixedly mounted on the lower side wall of each groove 7, a first guide groove 11 matched with the gear 14 is formed in one side wall, close to the inner arc frame 6, of the outer arc frame 5, a guide wheel 15 is fixedly mounted on one side wall, far away from the sliding block 12, of the gear 14, the outer side wall of the guide wheel 15 is in contact with the inner side wall of the outer arc frame 5, a first worm wheel 19 is fixedly mounted on one side, far away from the gear 14, a first mounting ring 16 is fixedly mounted on the upper side wall of, rotate between two sets of first installation pieces 17 and install first worm 18 of being connected with first worm wheel 19 meshing, first worm 18 is used for driving first worm wheel 19 when rotating and rotates along with it, and drive gear 14 through transmission shaft 13 and rotate, make gear 14 roll along the outside of arc ring gear 8, thereby realize the regulation to criticizing first 23 angle, implant and take out with the bone nail of satisfying different angles, the angle of having avoided tradition to plant the nail and get the nail relies on the operation doctor to hand to plant the nail and get the nail ware and adjust control completely at orthopedic operation nail, not only waste time and energy, and the skew of position appears very easily in the operation process of planting the nail or getting the nail, and then cause the patient to receive the problem of secondary injury.

An internal threaded pipe 20 is fixedly installed in an inner cavity of the sliding block 12, a threaded rod 21 is installed in the inner cavity of the internal threaded pipe 20 in a threaded manner, a screwdriver head 23 is detachably installed at one end, close to the bottom plate 1, of the threaded rod 21, a screwing device is arranged on the upper side wall of the internal threaded pipe 20 and comprises a second installation ring 24, the second installation ring 24 is fixedly installed on the upper side wall of the internal threaded pipe 20, a support ring 25 is fixedly installed on the upper side wall of the second installation ring 24, a second worm wheel 26 is rotatably installed on one side wall, far away from the second installation ring 24, of the support ring 25, a second worm 28 is meshed with one side of the second worm wheel 26, second installation blocks 27 are rotatably installed on two sides of the second worm 28, two groups of the second installation blocks 27 are fixedly connected with the second installation ring 24, a second guide groove 22 is formed in the outer side wall of the threaded rod 21, and a guide block 29, the screwdriver head 23 is used for being connected with a screw head of a bone nail to be implanted or taken, and the second worm 28 is used for driving the second worm wheel 26 and the threaded rod 21 to rotate along with the screwdriver head when rotating, so as to drive the bone nail connected with the screwdriver head 23 to be implanted or taken.

The working principle is as follows: when the utility model is used, the connecting screw rod 10 is screwed out from the inner cavity of the connecting block 9, then the outer arc frame 5 and the inner arc frame 6 at the two sides are oppositely rotated, then the position of a patient to be planted with nails or to be taken nails is placed on the bracket 3, then the outer arc frame 5 and the inner arc frame 6 are oppositely rotated, then the connecting screw rod 10 is screwed into the inner cavity of the connecting block 9, thereby the two groups of outer arc frames 5 and the two sides inner arc frames 6 are fixedly connected, then corresponding operation can be carried out, when the operation enters the step of planting nails or taking nails, the first worm 18 is rotated according to the angle of the planted nails or the nails to be taken, the first worm 18 drives the first worm wheel 19, and drives the gear 14 to rotate through the transmission shaft 13, the gear 14 rolls along the outer side of the arc-shaped toothed ring 8, thereby the angles of the inner thread pipe 20 and the screwdriver head 23 are adjusted to be the same as the angle of the bone nails to be planted or the angle of the bone nails to be, then, the screwdriver head 23 can be connected with the bone nail to be implanted or taken out, and then the second worm 28 is screwed, so that the second worm 28 drives the second worm wheel 26 and the threaded rod 21 to rotate along with the second worm when rotating, and further drives the bone nail connected with the screwdriver head 23 to rotate, and further implantation or taking out is realized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The optimized orthopedic surgical instrument comprises a bottom plate (1) and is characterized in that fixed blocks (4) are symmetrically and fixedly mounted on two sides of the upper side wall of the bottom plate (1), two groups of outer arc frames (5) are symmetrically and rotatably mounted on the upper side wall of the fixed blocks (4), two groups of inner arc frames (6) are symmetrically and symmetrically arranged on opposite sides of the outer arc frames (5), the two groups of inner arc frames (6) are respectively and rotatably connected with the two groups of fixed blocks (4), one sides, far away from the fixed blocks (4), of the inner arc frames (6) and the outer arc frames (5) are respectively provided with integrally formed connecting blocks (9), two adjacent groups of connecting blocks (9) are fixed through connecting screw rods (10) in a threaded manner, the inner cavity of each outer arc frame (5) is slidably mounted with a sliding block (12), and a transmission shaft (13) is rotatably mounted in the inner cavity of the sliding block, one side of transmission shaft (13) is equipped with adjusting device, the inner chamber fixed mounting of slider (12) has internal thread pipe (20), threaded rod (21) are installed to the inner chamber screw thread of internal thread pipe (20), threaded rod (21) are close to the one end demountable installation of bottom plate (1) has batch head (23), the last lateral wall of internal thread pipe (20) is equipped with twists the device of nailing.

2. An optimized orthopaedic surgical instrument according to claim 1, wherein the adjusting device comprises a gear (14), the gear (14) is fixedly mounted on one side of the transmission shaft (13), both the front and rear side walls of the inner arc frame (6) are provided with grooves (7), the lower side wall of each groove (7) is fixedly provided with an arc-shaped toothed ring (8) engaged with the gear (14), one side wall of the outer arc frame (5) close to the inner arc frame (6) is provided with a first guide groove (11) matched with the gear (14), one side wall of the gear (14) far away from the slide block (12) is fixedly provided with a guide wheel (15), and the outer side wall of the guide wheel (15) is in contact with the inner side wall of the outer arc frame (5).

3. An optimized bone surgery instrument as claimed in claim 2, wherein a first worm wheel (19) is fixedly mounted on one side of the transmission shaft (13) far away from the gear (14), a first mounting ring (16) is fixedly mounted on the upper side wall of the sliding block (12), first mounting blocks (17) are symmetrically and fixedly mounted on the first mounting ring (16) close to one side wall of the outer arc frame (5), and a first worm (18) meshed with the first worm wheel (19) is rotatably mounted between the two groups of first mounting blocks (17).

4. An optimized bone surgery instrument as claimed in claim 1, wherein the screw screwing device comprises a second mounting ring (24), the second mounting ring (24) is fixedly mounted on the upper side wall of the internally threaded tube (20), a support ring (25) is fixedly mounted on the upper side wall of the second mounting ring (24), a second worm wheel (26) is rotatably mounted on one side wall of the support ring (25) far away from the second mounting ring (24), a second worm (28) is meshed with one side of the second worm wheel (26), second mounting blocks (27) are rotatably mounted on two sides of the second worm (28), and two sets of the second mounting blocks (27) are fixedly connected with the second mounting ring (24).

5. An optimized bone surgery instrument as claimed in claim 4, characterized in that the outer side wall of the threaded rod (21) is provided with a second guide groove (22), and the inner side wall of the second worm wheel (26) is fixedly provided with a guide block (29) matched with the second guide groove (22).

6. An optimized bone surgery instrument as claimed in claim 1, wherein a tray table (2) is fixedly arranged at the center of the upper side of the bottom plate (1), and a bracket (3) is arranged at the center of one side wall of the tray table (2) far away from the bottom plate (1).