CN211243512U

CN211243512U - Backbone wicresoft drag hook

Info

Publication number: CN211243512U
Application number: CN201922079912.3U
Authority: CN
Inventors: 陈思
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-14
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a backbone wicresoft drag hook relates to the medical equipment field, comprising a base plate, the bottom plate is located the operation box downside, operation box left surface and the equal welded fastening of right surface have the connecting plate, the connecting plate internal fixation has the second nut, the sliding groove has vertically been seted up to the bottom plate upper surface, sliding connection has the slider in the sliding groove, the threaded rod lower extreme runs through the second nut and extends to in the slider, the operation box right side is provided with two-way lead screw, two-way lead screw left end runs through the operation box and extends to the inside left wall of operation box, be provided with two first nuts on the two-way lead screw, first nut front end is fixed with the connecting rod, the connecting rod front end runs through the operation box and extends to operation box front side, the one end that the connecting rod. The utility model discloses be convenient for adjust the wound degree of strutting to the doctor of being convenient for operates doctor's treatment, avoids sheltering from the incision, and adjusting device's of being convenient for position and height, excellent in use effect.

Description

Backbone wicresoft drag hook

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a backbone wicresoft drag hook.

Background

Minimally Invasive Spine Surgery (MISS) refers to a surgical operation that achieves the best surgical efficacy with the least invasion and the least physiological interference on the premise of not affecting the efficacy, and is mainly characterized by the minimization of the trauma to the human body compared with the conventional surgical operation. The minimally invasive treatment of the spine refers to a minimally invasive technology and a treatment method for diagnosing and treating spinal diseases through a non-traditional operation way by means of special surgical instruments, instruments or other means, and almost relates to all diseases of spinal surgery. Compared with open spinal surgery, the minimally invasive spinal surgery mainly aims to treat spinal diseases through various minimally invasive means, achieves the same or better curative effect as the open spinal surgery, simultaneously reduces the operative trauma of a patient to the maximum extent, promotes the early recovery of the patient, and reduces the sequelae after the surgery.

The spine minimally invasive retractor is an auxiliary device necessary for spine minimally invasive surgery, and generally two poking pieces are inserted into an incision of a spine to realize the distraction of the incision for a doctor to perform surgery, but the spine minimally invasive retractor in the prior art has many defects: for example, the two poking pieces are relatively fixed in position, the opening size is limited, the two poking pieces are not suitable for large-scale popularization and use, the position of the device is inconvenient to adjust in the process of preparing an operation, the incision is usually shielded by the retractor, the visual field of a doctor is blocked, and the operation quality cannot be guaranteed, so that the spine minimally invasive retractor is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a minimally invasive retractor for a spine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a backbone drag hook of wicresoft, includes operation box and bottom plate, the bottom plate is located the operation box downside, the equal welded fastening in operation box left surface and right surface has the connecting plate, the connecting plate internal fixation has the second nut, the sliding groove has vertically been seted up to the bottom plate upper surface, sliding connection has the slider in the sliding groove, the connecting plate upside is provided with the threaded rod, the threaded rod lower extreme runs through the second nut and extends to in the slider, the operation box right side is provided with two-way lead screw, two-way lead screw left end runs through the operation box and extends to the inside left wall of operation box, be provided with two first nuts on the two-way lead screw, first nut front end is fixed with the connecting rod, the connecting rod front end runs through the operation box and extends to operation box front side, the one end that the connecting rod is close to.

Preferably, the upper surface of one side, away from the threaded rod, of the slider is fixed with a limiting plate, a bolt is arranged on the upper side of the limiting plate, and the lower end of the bolt penetrates through the limiting plate and extends into the bottom plate.

Preferably, rocking wheels are welded and fixed on the upper surface of the threaded rod and the right surface of the bidirectional screw rod.

Preferably, the lower surface of the bottom plate is fixedly provided with a non-slip mat by bonding.

Preferably, a guide plate is welded and fixed at the rear end of the first nut, a guide rod is welded and fixed on the left wall inside the operation box, and the right end of the guide rod penetrates through the guide plate and extends to the right wall inside the operation box.

Preferably, the number of the first nuts is two, and the two first nuts are symmetrically arranged at the opposite positions of the bidirectional screw rod threads.

The utility model has the advantages that: the runner through the threaded rod upper end drives the threaded rod and rotates, and drive the connecting plate under the effect of second nut and reciprocate, thereby drive the operation box and reciprocate, thereby be convenient for adjust the height of operation box, through removing the threaded rod, make the slider remove along the slip recess, thereby be convenient for adjusting device's position, and carry out the rigidity through bolt and limiting plate, the runner through rotating two-way lead screw right side surface drives two-way lead screw and rotates, the effect at the second nut drives the connecting rod and keeps away from each other or be close to each other, thereby be convenient for adjust the wound degree of strutting, and then the doctor of being convenient for operates.

The utility model discloses be convenient for adjust the wound degree of strutting to the doctor of being convenient for operates doctor's treatment, avoids sheltering from the incision, and adjusting device's of being convenient for position and height, excellent in use effect.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of a minimally invasive spinal retractor according to the present invention.

Fig. 2 is a schematic view of a top-view cross-sectional structure of the minimally invasive spinal retractor according to the present invention.

Fig. 3 is a front view of the retractor in the spinal minimally invasive retractor according to the present invention.

Reference numbers in the figures: the device comprises a bidirectional screw rod 1, a first nut 2, a connecting rod 3, an operation box 4, a connecting plate 5, a second nut 6, a threaded rod 7, a bottom plate 8, a sliding groove 9, a sliding block 10, a guide plate 11, a guide rod 12 and a drag hook 13.

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. 1-3, a minimally invasive spine retractor comprises an operation box 4 and a bottom plate 8, wherein the bottom plate 8 is positioned at the lower side of the operation box 4, a connecting plate 5 is welded and fixed on the left surface and the right surface of the operation box 4, a second nut 6 is fixed in the connecting plate 5, a sliding groove 9 is longitudinally formed in the upper surface of the bottom plate 8, a sliding block 10 is connected in the sliding groove 9 in a sliding manner, a threaded rod 7 is arranged on the upper side of the connecting plate 5, the lower end of the threaded rod 7 penetrates through the second nut 6 and extends into the sliding block 10, a bidirectional screw rod 1 is arranged on the right side of the operation box 4, the left end of the bidirectional screw rod 1 penetrates through the operation box 4 and extends to the left wall in the operation box 4, two first nuts 2 are arranged on the bidirectional screw rod 1, a connecting rod 3 is fixed at the front end of the first nuts 2, the front end of the, the utility model discloses be convenient for adjust the wound degree of strutting to the doctor of being convenient for operates doctor's treatment, avoids sheltering from the incision, and adjusting device's of being convenient for position and height, excellent in use effect.

A limiting plate is fixed on the upper surface of the side of the sliding block 10 far away from the threaded rod 7, a bolt is arranged on the upper side of the limiting plate, the lower end of the bolt penetrates through the limiting plate and extends into the bottom plate 8, so that the sliding block 10 is convenient to fix, and then the position of the operation box 4 is fixed, rocking wheels are welded and fixed on the upper surface of the threaded rod 7 and the right surface of the bidirectional screw rod 1, the threaded rod 7 and the bidirectional screw rod 1 are driven to rotate by the rocking wheels, the lower surface of the bottom plate 8 is fixedly provided with an anti-skid pad by bonding, the stability of the device is improved, the rear end of the first nut 2 is fixedly provided with a guide plate 11 by welding, a guide rod 12 is welded and fixed on the left wall inside the operation box 4, the right end of the guide rod 12 penetrates through the guide plate 11 and extends to the right wall inside the operation box 4, the two first nuts 2 are symmetrically arranged at the opposite positions of the threads of the bidirectional screw rod 1, so that the two first nuts 2 can move synchronously.

The working principle is as follows: when the device is used, a user firstly drives the threaded rod 7 to rotate through the rotating wheel at the upper end of the threaded rod 7 and drives the connecting plate 5 to move up and down under the action of the second nut 6, so as to drive the operation box 4 to move up and down, thereby being convenient for adjusting the height of the operation box 4, then holds the threaded rod 7 and moves, so as to enable the slider 10 to move along the sliding groove 9, thereby being convenient for adjusting the position of the device, when the device moves to a proper position, the bolt is rotated clockwise, the position of the limiting plate is fixed through the bolt, then the slider 10 is fixed, then the rotating wheel on the right surface of the bidirectional screw rod 1 is rotated, thereby driving the bidirectional screw rod 1 to rotate, the connecting rods 3 are driven to be away from or approach to each other under the action of the second nut 2, thereby being convenient for adjusting the degree of opening wound, thereby be convenient for the doctor to operate the doctor and treat, avoid sheltering from the incision, be convenient for adjusting device's position and height, excellent in use effect.

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 minimally invasive spinal retractor comprises an operation box (4) and a bottom plate (8), wherein the bottom plate (8) is positioned at the lower side of the operation box (4), the minimally invasive spinal retractor is characterized in that a connecting plate (5) is welded and fixed on the left surface and the right surface of the operation box (4), a second nut (6) is fixed in the connecting plate (5), a sliding groove (9) is longitudinally formed in the upper surface of the bottom plate (8), a sliding block (10) is connected in the sliding groove (9) in a sliding mode, a threaded rod (7) is arranged on the upper side of the connecting plate (5), the lower end of the threaded rod (7) penetrates through the second nut (6) and extends into the sliding block (10), a bidirectional screw rod (1) is arranged on the right side of the operation box (4), the left end of the bidirectional screw rod (1) penetrates through the operation box (4) and extends to the inner left wall of the operation box (4), two first nuts (2, first nut (2) front end is fixed with connecting rod (3), connecting rod (3) front end runs through operation box (4) and extends to operation box (4) front side, the one end that connecting rod (3) are close to each other is passed through the screw fixation and is had drag hook (13).

2. The minimally invasive spinal retractor according to claim 1, wherein a limiting plate is fixed on the upper surface of the side of the slider (10) away from the threaded rod (7), a bolt is arranged on the upper side of the limiting plate, and the lower end of the bolt penetrates through the limiting plate and extends into the bottom plate (8).

3. The minimally invasive spinal retractor according to claim 1, wherein rocking wheels are welded and fixed on the upper surface of the threaded rod (7) and the right surface of the bidirectional screw rod (1).

4. The minimally invasive spinal retractor according to claim 1, wherein a non-slip mat is fixed on the lower surface of the bottom plate (8) through adhesion.

5. The minimally invasive spinal retractor according to claim 1, wherein a guide plate (11) is fixed to the rear end of the first nut (2) in a welded manner, a guide rod (12) is fixed to the left wall inside the operation box (4) in a welded manner, and the right end of the guide rod (12) penetrates through the guide plate (11) and extends to the right wall inside the operation box (4).

6. The minimally invasive spinal retractor according to claim 1, wherein the number of the first nuts (2) is two, and the two first nuts (2) are symmetrically arranged at the opposite positions of the threads of the bidirectional screw rod (1).