CN217186378U

CN217186378U - Novel posterior spinal sliding fixing device

Info

Publication number: CN217186378U
Application number: CN202123308514.8U
Authority: CN
Inventors: 王耀辉; 李红梅; 徐建平
Original assignee: Jiangsu Jinlu Group Medical Device Co ltd
Current assignee: Jiangsu Jinlu Group Medical Device Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-16
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to the technical field of medical equipment, a novel backbone way of escape slides fixed is disclosed, including fixing mechanism, fixing mechanism's centre is provided with the fender ring, fixing mechanism is including fixed cover, locating lever and bracing piece, fixed cover is including fixed cover body, the upside of fixed cover body is provided with the auxiliary connection piece, hollow post constant head tank has been seted up in the outside that the upside of fixed cover body is located the auxiliary connection piece. The utility model discloses after adjusting suitable height, use the screwdriver to rotate fastening screw for fastening screw removes in the screw hole, and fastening screw removes and promotes the holding ring and removes, and the holding ring supports in the constant head tank, makes on the spout is hugged closely to the backup pad, supports through relative direction's backup pad and can make the locating lever body can not take place gliding condition in the spout, can make things convenient for the staff to imbed assigned position with it through the screw post, makes things convenient for medical personnel's use.

Description

Novel posterior spinal sliding fixing device

Technical Field

The utility model relates to the technical field of medical equipment, specifically a novel spinal column way of escape slides fixed device.

Background

Spinal column and spinal cord injuries often occur in industrial and mining accidents, traffic accidents, wartime and natural disasters in batches. The injury is serious and complex, multiple injuries and compound injuries exist, complications are high, the prognosis is poor when spinal cord injuries are combined, and even life-long disability or life threatening is caused. For surgical treatment of fractures of chest, waist and other parts, dislocation, deformity, metamorphosis, tumor or inflammation, a more common treatment method is internal fixation treatment through vertebral pedicle.

The existing tool for fixing the back spine is used for nailing a pedicle screw into the spine, the pedicle screw is fixed in length, namely the length of a screw body cannot be adjusted, the length and the specific condition of the spine of different patients are different, and inconvenience is brought due to the fact that the length of the screw body cannot be adjusted sometimes. Accordingly, one skilled in the art has provided a novel posterior spinal sliding fixation device to solve the problems set forth in the background above.

Disclosure of Invention

An object of the utility model is to provide a novel backbone way of escape slides fixed device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel posterior spinal sliding fixing device comprises a fixing mechanism, wherein a retaining ring is arranged in the middle of the fixing mechanism, the fixing mechanism comprises a fixing sleeve, a positioning rod and a supporting rod, the fixing sleeve comprises a fixing sleeve body, an auxiliary connecting block is arranged on the upper side of the fixing sleeve body, a hollow column positioning groove is formed in the outer side of the auxiliary connecting block on the upper side of the fixing sleeve body, a group of threaded holes are formed in the outer side of the auxiliary connecting block, a group of positioning strip-shaped clamping grooves are formed in the inner sides of the fixing sleeve body and the auxiliary connecting block, the positioning rod comprises a positioning rod body, a positioning rod head is arranged on the upper side of the positioning rod body, positioning strips are arranged on two sides of the positioning rod body, a sliding groove is formed in the middle of each positioning strip, the supporting rod comprises a supporting plate and a positioning ring, a positioning groove is formed in the front side of the supporting plate, and a fastening screw is arranged on the front side of the positioning ring.

As a further aspect of the present invention: the downside of fixed cover body is provided with the screw thread post, fixed cover body and screw thread post fixed connection, fixed cover body and auxiliary connection piece fixed connection.

As a further aspect of the present invention: the positioning rod body is fixedly connected with the head of the positioning rod, and the positioning rod body is fixedly connected with the positioning strip.

As a further aspect of the present invention: the positioning ring is fixedly connected with the fastening screw rod, and the positioning ring is matched with the positioning groove.

As a further aspect of the present invention: locating lever body and fixed cover body phase-match, the rectangular and the rectangular draw-in groove phase-match of location.

As a further aspect of the present invention: the supporting plate is matched with the sliding groove, and the fastening screw rod is rotatably connected with the threaded hole.

As a further aspect of the present invention: the downside of keeping off the ring is provided with hollow post, the draw-in groove has been seted up in the middle of keeping off the ring.

As a further aspect of the present invention: the baffle ring is fixedly connected with the hollow column, and the hollow column is matched with the hollow column positioning groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. make the locating lever body slide in the inboard of fixed cover body through pulling locating lever head, fix a position simultaneously and slide in the rectangular draw-in groove in location, avoid the direction to take place the skew, after adjusting suitable height, use the screwdriver to rotate fastening screw, make fastening screw remove in the screw hole, fastening screw removes and promotes the holding ring and removes, the holding ring supports in the constant head tank, make the backup pad hug closely on the spout, support through the backup pad of relative direction can make the locating lever body can not take place gliding condition in the spout, can make things convenient for the staff to imbed the assigned position with it through the screw post, make things convenient for medical personnel's use.

2. Through keeping off ring downstream, keep off the hollow post embedding of ring downside in the hollow post constant head tank, can be so that supplementary connecting block position is hidden, avoid exposing for a long time and influence life, can conveniently keep off the ring through the draw-in groove and remove on the locating lever body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic structural view of a novel posterior spinal sliding fixation device;

FIG. 2 is an exploded view of a novel posterior spinal sliding fixation device;

FIG. 3 is a schematic structural view of a fixing mechanism of a novel posterior spinal sliding and fixing device;

FIG. 4 is a schematic structural view of a fixing sleeve of a novel posterior spinal sliding fixation device;

FIG. 5 is a schematic structural view of a positioning rod of the novel posterior spinal sliding fixation device;

fig. 6 is a schematic structural view of a support rod in the novel posterior spinal sliding fixing device.

In the figure: 1. a fixing mechanism; 11. fixing a sleeve; 111. a fixing sleeve body; 1111. a hollow column positioning slot; 112. a threaded post; 113. an auxiliary connecting block; 1131. a threaded hole; 1132. positioning the strip-shaped clamping groove; 12. positioning a rod; 121. a positioning rod body; 122. a positioning rod head; 123. positioning the strip; 124. a chute; 13. a support bar; 131. a support plate; 1311. positioning a groove; 132. a positioning ring; 1321. fastening a screw rod; 2. a baffle ring; 21. a hollow column; 22. a clamping groove.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a novel posterior spinal sliding fixation device includes a fixation mechanism 1, a retaining ring 2 is disposed in the middle of the fixation mechanism 1, the fixation mechanism 1 includes a fixation sleeve 11, a positioning rod 12 and a support rod 13, the fixation sleeve 11 includes a fixation sleeve body 111, an auxiliary connection block 113 is disposed on the upper side of the fixation sleeve body 111, a hollow column positioning slot 1111 is disposed on the upper side of the fixation sleeve body 111 and located on the outer side of the auxiliary connection block 113, a set of threaded holes 1131 is disposed on the outer side of the auxiliary connection block 113, a set of positioning strip slots 1132 is disposed on the inner sides of the fixation sleeve body 111 and the auxiliary connection block 113, the positioning rod 12 includes a positioning rod body 121, a positioning rod head 122 is disposed on the upper side of the positioning rod body 121, positioning strips 123 are disposed on both sides of the positioning rod body 121, a sliding slot 124 is disposed in the middle of the positioning strips 123, and the support rod 13 includes a support plate 131 and a positioning ring 132, a positioning groove 1311 is formed on the front side of the supporting plate 131, and a fastening screw 1321 is formed on the front side of the positioning ring 132.

In fig. 1, 2, 3, 4, 5 and 6: the lower side of the fixing sleeve body 111 is provided with a threaded column 112, the fixing sleeve body 111 is fixedly connected with the threaded column 112, the fixing sleeve body 111 is fixedly connected with an auxiliary connecting block 113, a positioning rod body 121 is fixedly connected with a positioning rod head 122, the positioning rod body 121 is fixedly connected with a positioning strip 123, a positioning ring 132 is fixedly connected with a fastening screw 1321, the positioning ring 132 is matched with a positioning groove 1311, the positioning rod body 121 is matched with the fixing sleeve body 111, the positioning strip 123 is matched with a positioning strip clamping groove 1132, a supporting plate 131 is matched with a sliding groove 124, the fastening screw 1321 is rotatably connected with a threaded hole 1131, the positioning rod body 121 slides on the inner side of the fixing sleeve body 111 by pulling the positioning rod head 122, the positioning strip 123 slides in the positioning strip clamping groove 1132, the direction deviation is avoided, when the fixing sleeve body is adjusted to a proper height, the fastening screw 1321 is rotated by using a screwdriver, make fastening screw 1321 remove in screw hole 1131, fastening screw 1321 removes and promotes holding ring 132 and remove, and holding ring 132 supports in constant head tank 1311 for on backup pad 131 hugs closely spout 124, support backup pad 131 through relative direction supports can make locating lever body 121 can not take place gliding condition in spout 124, can make things convenient for staff to imbed assigned position with it through screw post 112, makes things convenient for medical personnel's use.

In fig. 1, 2 and 4: keep off the downside of ring 2 and be provided with hollow post 21, keep off the centre of ring 2 and seted up draw-in groove 22, keep off ring 2 and hollow post 21 fixed connection, hollow post 21 and hollow post constant head tank 1111 phase-match, through keeping off ring 2 downstream, keep off in the hollow post 21 embedding hollow post constant head tank 1111 of 2 downside, can be so that the 113 positions of auxiliary connecting block are hidden, avoid exposing for a long time and influence life, can conveniently keep off ring 2 through draw-in groove 22 and remove on locating lever body 121.

The utility model discloses a theory of operation: the positioning rod body 121 slides on the inner side of the fixing sleeve body 111 by pulling the positioning rod head 122, the positioning strip 123 slides in the positioning strip clamping groove 1132, the direction deviation is avoided, when the positioning rod is adjusted to a proper height, the fastening screw 1321 is rotated by using a screwdriver, the fastening screw 1321 moves in the threaded hole 1131, the fastening screw 1321 moves to push the positioning ring 132 to move, the positioning ring 132 is abutted against the positioning groove 1311, the supporting plate 131 is tightly attached to the sliding groove 124, the positioning rod body 121 cannot slide by abutting against the sliding groove 124 through the supporting plate 131 in the opposite direction, the threaded column 112 can be conveniently embedded into a specified position by a worker, the use of medical personnel is facilitated, the blocking ring 2 moves downwards, the hollow column 21 on the lower side of the blocking ring 2 is embedded into the hollow column positioning groove 1111, the position of the auxiliary connecting block 113 can be hidden, and the influence on the service life caused by long-time exposure is avoided, the retaining ring 2 can be moved on the positioning rod body 121 conveniently through the clamping groove 22.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. A novel spine posterior sliding fixing device comprises a fixing mechanism (1) and is characterized in that a retaining ring (2) is arranged in the middle of the fixing mechanism (1), the fixing mechanism (1) comprises a fixing sleeve (11), a positioning rod (12) and a supporting rod (13), the fixing sleeve (11) comprises a fixing sleeve body (111), an auxiliary connecting block (113) is arranged on the upper side of the fixing sleeve body (111), a hollow column positioning groove (1111) is formed in the outer side of the auxiliary connecting block (113) on the upper side of the fixing sleeve body (111), a group of threaded holes (1131) are formed in the outer side of the auxiliary connecting block (113), a group of positioning strip clamping grooves (1132) are formed in the inner sides of the fixing sleeve body (111) and the auxiliary connecting block (113), the positioning rod (12) comprises a positioning rod body (121), and a positioning rod head (122) is arranged on the upper side of the positioning rod body (121), the both sides of locating lever body (121) all are provided with location rectangular (123), the centre of location rectangular (123) is provided with spout (124), bracing piece (13) are including backup pad (131) and holding ring (132), the front side of backup pad (131) is opened and is equipped with constant head tank (1311), the front side of holding ring (132) is provided with fastening screw (1321).

2. The novel posterior spinal sliding fixation device as claimed in claim 1, wherein the lower side of the fixation sheath body (111) is provided with a threaded column (112), the fixation sheath body (111) is fixedly connected with the threaded column (112), and the fixation sheath body (111) is fixedly connected with the auxiliary connecting block (113).

3. The novel posterior spinal sliding fixation device as recited in claim 1, wherein the rod body (121) is fixedly connected with the rod head (122), and the rod body (121) is fixedly connected with the rod strip (123).

4. The novel posterior spinal sliding fixation device as claimed in claim 1, wherein the positioning ring (132) is fixedly connected with the fastening screw (1321), and the positioning ring (132) is matched with the positioning groove (1311).

5. The novel posterior spinal sliding fixation device as claimed in claim 1, wherein the positioning rod body (121) and the fixation sheath body (111) are matched, and the positioning strip (123) and the positioning strip slot (1132) are matched.

6. The novel posterior spinal sliding fixation device as claimed in claim 1, wherein the support plate (131) is mated with the slot (124), and the fastening screw (1321) is rotatably connected with the threaded hole (1131).

7. The novel posterior spinal sliding and fixing device according to claim 1, wherein a hollow column (21) is arranged at the lower side of the baffle ring (2), and a clamping groove (22) is formed in the middle of the baffle ring (2).

8. The novel posterior spinal sliding fixator according to claim 7, wherein the baffle ring (2) is fixedly connected with the hollow column (21), and the hollow column (21) is matched with the hollow column positioning groove (1111).