CN201361098Y

CN201361098Y - Spine fixer

Info

Publication number: CN201361098Y
Application number: CNU2009200182682U
Authority: CN
Inventors: 王德华
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-01-21
Filing date: 2009-01-21
Publication date: 2009-12-16
Anticipated expiration: 2019-01-21

Abstract

The utility model discloses a spine fixer, which comprises a connecting rod, wherein one end of the connecting rod is provided with a first limiting sleeve which is connected with the connecting rod through screw threads, the first limiting sleeve is provided with a first connecting piece which is provided with a first limiting block, the first connecting piece is provided with a first sleeve which is provided with a first cavity inside, the first cavity is provided with a first bolt inside, and the lower end of the first bolt extends out of the first cavity, the other end of the connecting rod is provided with a second limiting sleeve which is connected with the connecting rod through screw threads, the second limiting sleeve is provided with a second connecting piece which is provided with a second limiting block, the second connecting piece is movably connected with a second limiting sleeve through the second limiting block, the second connecting piece is provided with a second sleeve which is provided with a second cavity inside, the second cavity is provided with a second bolt inside, and the lower end of the second bolt extends out of the second sleeve. The fixing angle and depth of the spine fixer can be adjusted through the bolts for fixation according to specific conditions, thereby effectively improving the therapy effect.

Description

The spinal fixation device

Technical field

This utility model relates to a kind of medical apparatus and instruments, particularly relates to a kind of spinal fixation device.

Background technology

At present, existing all kinds of spinal fixation devices have the following disadvantages: existing spinal fixation device its fixedly the bolt of usefulness to penetrate fixed angle constant, can't adjust the position according to patient's the concrete state of an illness, therapeutic effect is not good; Existing spinal fixation device, its length can not be adjusted, and causes hospital must prepare many spinal fixation devices of various different sizes, and the waste physical resources and financial resources simultaneously, has increased patient's treatment cost.

Summary of the invention

In order to address the above problem, this utility model provides a kind of spinal fixation device, comprise connecting rod, one end of connecting rod is installed first stop collar, first stop collar is threaded with connecting rod, first connector is installed on first stop collar, first limited block is set on first connector, first connector flexibly connects by first limited block and first stop collar, and promptly first connector can rotate relative to first stop collar, and first cover is installed on first connector, first cover is hinged with first connector, offer first inner chamber in first cover, the first interior intracavity is installed first bolt, and stretch out outside first inner chamber lower end of first bolt; The other end of connecting rod is installed second stop collar, second stop collar is threaded with connecting rod, second connector is installed on second stop collar, second limited block is set on second connector, second connector flexibly connects by second limited block and second stop collar, promptly, second connector can rotate relative to second stop collar, second cover is installed on second connector, second cover is hinged with second connector, offer second inner chamber in second cover, the second interior intracavity is installed second bolt, and stretch out outside second cover lower end of second bolt.

Preferably on the connecting rod first setscrew nut and second setscrew nut are installed, first setscrew nut and second setscrew nut are threaded with connecting rod.Intracavity is installed first briquetting in first, and first briquetting is connected with first external threading, and first briquetting is positioned at the first bolt top, offers first hexagonal hole in first briquetting; Intracavity is installed second briquetting in second, and second briquetting is connected with second external threading, offers second hexagonal hole in second briquetting.First hook is installed on the connecting rod, first hook is gone up connection strap is installed, offer first chute in first hook, connection strap is positioned at first chute, the other end of connection strap is installed second hook, offer second chute in second hook, the other end of connection strap is positioned at second chute, installation shaft in the connection strap, first wire drawing and second wire drawing, the periphery of axle is provided with rotating disk, and rotating disk is connected with first a stringy end, and the first stringy other end is connected with first hook, a second stringy end is connected with rotating disk, the second stringy other end is connected with second hook, and positioning sleeve is set on the connection strap, offers inside groove in the positioning sleeve, one end of axle is positioned at inside groove, and axle is threaded with positioning sleeve.

Spinal fixation device described in the utility model, the bolt of its fixedly usefulness can be regulated the fixed angle and the degree of depth as the case may be, can improve therapeutic effect effectively; Distance between its total length and two holders is also adjustable, and the patient that can be fit to the various different state of an illness once the cover apparatus uses, and can reduce the treatment cost.This utility model also has compactness simple for structure, advantage cheap for manufacturing cost and safe and convenient to use.

Description of drawings

Fig. 1 is a structural representation of the present utility model; Fig. 2 is that the A of Fig. 1 is to structural representation; Fig. 3 is the I office structure for amplifying sketch map of Fig. 1.

Number in the figure: 1 first bolt, 2 first hexagonal holes, 3 first sets, 4 first inner chambers, 5 first briquettings, 6 first connectors, 7 first limited blocks, 8 first stop collars, 9 first setscrew nuts, 10 connecting rods, 11 axles, 12 first hooks, 13 second setscrew nuts, 14 second stop collars, 15 second limited blocks, 16 second connectors, 17 second inner chambers, 18 second hexagonal holes, 19 second bolts, 20 second briquettings, 21 first chutes, 22 first wire drawings, 23 rotating disks, 24 second wire drawings, 25 second chutes, 26 second hooks, 27 positioning sleeves, 28 inside grooves, 29 second covers, 30 connection straps.

The specific embodiment

A kind of spinal fixation device described in the utility model, comprise connecting rod 10, one end of connecting rod 10 is installed first stop collar 8, first stop collar 8 is threaded with connecting rod 10, first connector 6 is installed on first stop collar 8, first limited block 7 is set on first connector 6, first connector 6 flexibly connects by first limited block 7 and first stop collar 8, first connector 6 can rotate relative to first stop collar 8, first cover, 3, the first covers, 3 and first connector 6 is installed on first connector 6 is hinged, offer first inner chamber 4 in first cover 3, the lower end of first bolt, 1, the first bolt 1 is installed in first inner chamber 4 stretches out outside first inner chamber 4; The other end of connecting rod 10 is installed second stop collar 14, second stop collar 14 is threaded with connecting rod 10, second connector 16 is installed on second stop collar 14, second limited block 15 is set on second connector 16, second connector 16 flexibly connects by second limited block 15 and second stop collar 14, promptly second connector 16 can connect by relative second stop collar 14, second cover 29 is installed on second connector 16, second cover, 29 and second connector 16 is hinged, offer second inner chamber 17 in second cover 29, the lower end of second bolt, 19, the second bolts 19 is installed in second inner chamber 17 stretches out outside second cover 29.During use, can be by rotation first bolt 1 and second bolt 19 with itself and spinal fixation; First cover, 3 and second cover 29 can play the guiding role to first bolt 1 and second bolt 19; The angle of first bolt 1 and second bolt 19 can be regulated arbitrarily, so that the doctor rationally regulates according to patient's the concrete state of an illness.

By adjusting the position relation of first stop collar 8 and second stop collar 14 and connecting rod 10, the length of the whole holder of scalable, for preventing that first stop collar 8, second stop collar 14 from changing with the position relation of connecting rod 10, first setscrew nut 9 and second setscrew nut, 13, the first setscrew nuts 9 and second setscrew nut 13 can be installed on connecting rod 10 to be threaded with connecting rod 10; After the length adjustment of holder is fixing, first setscrew nut 9 and second setscrew nut 13 can be screwed, can reach locating effect.

Loosening after fixedly finishing for preventing second bolt 19 and first bolt 1, first briquetting, 5, the first briquettings 5 can be installed in first inner chamber 4 be threaded with first cover 3, first briquetting 5 is positioned at first bolt, 1 top, offers first hexagonal hole 2 in first briquetting 5; In second inner chamber 17 second briquetting, 20, the second briquettings 20 are installed and are threaded with second inner chamber 17, second briquetting 20 is positioned at first bolt, 1 upper end, offers second hexagonal hole 18 in second briquetting 20.During use, by six side's spanners first briquetting 5 and second briquetting 20 are tightened fixingly, first briquetting 5 and second briquetting 20 can limit first bolt 1 and second bolt 19 respectively, make its fixation.

Above-mentioned spinal fixation device can use in pairs, first hook 12 is installed on the connecting rod 10, on first hook 12 connection strap 30 is installed, offer first chute 21 in first hook 12, connection strap 30 is positioned at first chute 21, the other end of connection strap 30 is installed second hook 26, offer second chute 25 in second hook 26, the other end of connection strap 30 is positioned at second chute 25, installation shaft 11 in the connection strap 30, first wire drawing 22 and second wire drawing 24, the periphery of axle 11 is provided with rotating disk 23, rotating disk 23 is connected with an end of first wire drawing 22, the other end of first wire drawing 22 is connected with first hook 12, and an end of second wire drawing 24 is connected with rotating disk 23, and the other end of second wire drawing 24 is connected with second hook 26, positioning sleeve 27 is set on the connection strap 30, offer inside groove 28 in the positioning sleeve 27, an axle end of 11 is positioned at inside groove 28, and axle 11 is threaded with positioning sleeve 27.During use, can pass through rotating shaft 11, adjust the distance that first hook 12 and second is linked up with between 26 by rotating disk 23 pulling first wire drawings 22 and second wire drawing 24, thereby, the spacing between the two spinal fixation devices adjusted.

Claims

1, the spinal fixation device, it is characterized in that: comprise connecting rod (10), one end of connecting rod (10) is installed first stop collar (8), first stop collar (8) is threaded with connecting rod (10), first stop collar (8) is gone up first connector (6) is installed, first limited block (7) is set on first connector (6), first connector (6) flexibly connects by first limited block (7) and first stop collar (8), first connector (6) is gone up first cover (3) is installed, first cover (3) is hinged with first connector (6), offer first inner chamber (4) in first cover (3), first bolt (1) is installed in first inner chamber (4), stretch out outside first inner chamber (4) lower end of first bolt (1); The other end of connecting rod (10) is installed second stop collar (14), second stop collar (14) is threaded with connecting rod (10), second stop collar (14) is gone up second connector (16) is installed, second limited block (15) is set on second connector (16), second connector (16) flexibly connects by second limited block (15) and second stop collar (14), second connector (16) is gone up second cover (29) is installed, second cover (29) is hinged with second connector (16), offer second inner chamber (17) in second cover (29), second bolt (19) is installed in second inner chamber (17), and stretch out outside second cover (29) lower end of second bolt (19).

2, spinal fixation device according to claim 1 is characterized in that: connecting rod (10) is gone up first setscrew nut (9) and second setscrew nut (13) is installed, and first setscrew nut (9) and second setscrew nut (13) are threaded with connecting rod (10).

3, spinal fixation device according to claim 2, it is characterized in that: first briquetting (5) is installed in first inner chamber (4), first briquetting (5) is threaded with first cover (3), and first briquetting (5) is positioned at first bolt (1) top, offers first hexagonal hole (2) in first briquetting (5); Second briquetting (20) is installed in second inner chamber (17), and second briquetting (20) is threaded with second inner chamber (17), and second briquetting (20) is positioned at first bolt (1) upper end, offers second hexagonal hole (18) in second briquetting (20).

4, according to claim 1,2 or 3 described spinal fixation devices, it is characterized in that: connecting rod (10) is gone up first hook (12) is installed, first hook (12) is gone up connection strap (30) is installed, offer first chute (21) in first hook (12), connection strap (30) is positioned at first chute (21), the other end of connection strap (30) is installed second hook (26), offer second chute (25) in second hook (26), the other end of connection strap (30) is positioned at second chute (25), the interior installation shaft of connection strap (30) (11), first wire drawing (22) and second wire drawing (24), the periphery of axle (11) is provided with rotating disk (23), rotating disk (23) is connected with an end of first wire drawing (22), the other end of first wire drawing (22) is connected with first hook (12), one end of second wire drawing (24) is connected with rotating disk (23), the other end of second wire drawing (24) is connected with second hook (26), positioning sleeve (27) is set on the connection strap (30), offer inside groove (28) in the positioning sleeve (27), one end of axle (11) is positioned at inside groove (28), and axle (11) is threaded with positioning sleeve (27).