CN114903662A - Auxiliary baffle plate for implanting posterior lumbar interbody fusion cage - Google Patents

Abstract

The invention discloses an auxiliary baffle for implanting a posterior lumbar interbody fusion cage, which comprises a main body, a hand-control anti-skidding mechanism, a hook position adjusting mechanism, a two-way extension protecting mechanism and a fluorescent scale marking mechanism, wherein the hand-control anti-skidding mechanism is arranged on one side above the main body, the hook position adjusting mechanism is arranged on two sides of the middle part of the main body, the two-way extension protecting mechanism is arranged on one side of the hook position adjusting mechanism, the fluorescent scale marking mechanism is arranged on one side of the main body, and the two-way extension protecting mechanism comprises a second rotating shaft piece, a gear rod, a second anti-skidding hand adjusting sleeve, a side reserved opening, an edge mounting frame and a reserved gear. This auxiliary baffle is put into to way of escape lumbar vertebrae interbody fusion cage, under the general condition, all utilize the hook to carry out the hook and draw the effect that the nerve root reaches the fusion cage and put into, nevertheless nerve root divides the nerve root about, has the branch on left side right side, and the hinge subassembly that sets up between first baffle, the second baffle this moment between the two can reach the beneficial effect that the angle was finely tuned.

Description

Auxiliary baffle plate for implanting posterior lumbar interbody fusion cage

Technical Field

The invention relates to the technical field of medical instruments, in particular to an auxiliary baffle for the implantation of a posterior lumbar interbody fusion cage.

Background

Nowadays, lumbar fusion in the aspect of medical treatment also becomes an important scheme for treating lumbar diseases needing to be stabilized, and is widely applied to treatment of diseases such as lumbar trauma, intervertebral disc degeneration, lumbar spondylolisthesis, lumbar intervertebral infection and the like, while the existing lumbar posterior interbody fusion cage, also called posterior lumbar interbody fusion cage, is an orthopedic spinal fusion cage surgical operation, but in the process of fusion cage placement, the dural sac and nerve roots need to be protected, and at present, only nerve root drag hooks can operate to vacate space for the placement of the fusion cage.

In the market, when the posterior lumbar interbody fusion cage implanting auxiliary device is used, only the nerve root drag hook is provided, and the auxiliary hook can pull nerve roots to provide space for implanting the fusion cage, but the dural sac can not limit and protect the nerve roots by the nerve root drag hook, so that related organs can be damaged and rubbed more or less in the process of placement, and therefore, an auxiliary baffle for implanting the posterior lumbar interbody fusion cage is provided.

Disclosure of Invention

The invention aims to provide an auxiliary baffle for the posterior lumbar interbody fusion cage, which solves the problems that only nerve root drag hooks are provided in the background technology, the nerve roots can be hooked and pulled in an auxiliary manner to provide space for the fusion cage to be placed, and the dura mater sac cannot be used for limiting and protecting the nerve roots, so that related organs can be damaged and scratched more or less in the placement process.

In order to achieve the purpose, the invention provides the following technical scheme: the back lumbar interbody fusion cage imbedding auxiliary baffle comprises a main body, a hand control anti-skidding mechanism, a hook position adjusting mechanism, a bidirectional extension protecting mechanism and a fluorescent scale marking mechanism, wherein the hand control anti-skidding mechanism is arranged at one side above the main body, and both sides of the middle part of the main body are provided with hook position adjusting mechanisms, one side of each hook position adjusting mechanism is provided with a bidirectional extension protection mechanism, one side of the main body is provided with a fluorescent scale marking mechanism, the bidirectional extension protection mechanism comprises a second rotating shaft piece, a gear rod, a second anti-skidding hand adjusting sleeve, a side reserved opening, an edge mounting frame and a reserved gear, and the middle part of the second rotating shaft piece is provided with a gear rod, the top of the gear rod is provided with a second anti-skid hand adjusting sleeve, the two sides of the main body are respectively provided with a side reserved opening, one side of the gear rod is provided with an edge mounting frame, and reserved gears are distributed on the inner side of the edge mounting frame.

Furthermore, the dress limit frame passes through gear lever, second pivot spare and reserves the gear and constitutes meshing transmission structure, and gear lever and second antiskid hand adjusting cover be fixed connection between the two.

Furthermore, the main body comprises a first baffle, a hinge assembly and a second baffle, the hinge assembly is arranged on the side edge of the first baffle, and the second baffle is arranged on the other side of the hinge assembly.

Further, accuse hand antiskid includes anti-skidding limit, reservation frame and thumb ring, the top surface of main part is provided with anti-skidding limit, and the top one end of main part is provided with reservation frame, one side bottom of main part is provided with the thumb ring.

Furthermore, the thumb ring and the main body are fixed into a whole, and the thumb ring is distributed in a circular groove shape.

Further, the hook position adjustment mechanism includes first pivot piece, subsides dress pole, first anti-skidding hand modulation cover, bearing frame subassembly, first helical gear cover, second helical gear cover, bull stick, rotation piece and hook piece, and the middle part of first pivot piece is provided with pastes the dress pole, the top of pasting the dress pole is provided with first anti-skidding hand modulation cover, and pastes middle part one side of dress pole and be provided with bearing frame subassembly, the end one side of pasting the dress pole is provided with first helical gear cover, and the side of first helical gear cover is provided with second helical gear cover, the middle part of second helical gear cover is provided with the bull stick, and the both sides of bull stick are provided with the rotation piece, the middle part both sides of bull stick are connected with the hook piece.

Furthermore, the hook piece forms the angle adjusting structure through the rotating rod, the rotating piece, the first bevel gear sleeve, the second bevel gear sleeve, the mounting rod and the first rotating shaft piece, and a bearing frame assembly is arranged on the periphery of one side of the middle of the mounting rod.

Furthermore, but fluorescence formula scale mark mechanism includes scale mark, phosphor powder and medical silica gel outside, and the periphery of scale mark is provided with phosphor powder, the side surface of main part is provided with medical silica gel outside.

Furthermore, the scale marks are distributed along two sides of the middle of the main body at equal intervals, and the outer edge of the medical silica gel is arranged on the outer side of the scale marks.

Compared with the prior art, the invention has the beneficial effects that: this auxiliary baffle is put into to way of escape lumbar vertebrae interbody fusion cage, under the general condition, all utilize the hook to carry out the hook and draw the effect that the nerve root reaches the fusion cage and put into, nevertheless nerve root divides the nerve root about, has the branch on left side right side, and the hinge subassembly that sets up between first baffle, the second baffle this moment between the two can reach the beneficial effect that the angle was finely tuned.

In the invention, the anti-skid edge is arranged in the process of being held by an operator, so that the anti-skid effect can be simply achieved, and the reserved frame and the thumb ring are respectively arranged at the bottom of one side of the main body, so that the anti-skid edge is convenient for the operator to hold and operate in a better posture according to the anthropology arrangement.

According to the auxiliary baffle plate, when an operator puts the auxiliary baffle plate into the opening of a human body, the operation posture of the operator can be changed into different high-difficulty postures to perform auxiliary hooking due to different angles due to the fact that the angle distribution of nerve roots at the position to be placed is different, trouble is caused, the danger coefficient is low, the operator can manually screw the first anti-skidding hand adjusting sleeve, the mounting rod in the middle can synchronously rotate along with the first rotating shaft piece and the bearing frame component, the first anti-skidding hand adjusting sleeve and the second anti-skidding hand adjusting sleeve are in meshing transmission effect, and therefore the hook piece is driven to perform adjustment on the movement angle by the rotating rod and the rotating component related to the rotating rod, and the beneficial effect that the operator hooks the nerve roots is achieved.

The invention, in general, hook the nerve root to achieve the effect of imbedding the fusion cage, but the nerve root is divided into left and right nerve roots, and there is left and right parts, at this time, the hinge component arranged between the first baffle plate and the second baffle plate can achieve the beneficial effect of fine adjustment of angle, and in order to facilitate the placement of the fusion cage by the operator, the operator can rotate the second anti-skid hand adjusting sleeve according to the actual situation, wherein the gear rod can make the edge mounting frame extend and adjust to the same speed by using the second rotating shaft part and the gear component of the reserved gear, thereby providing wider operating space for the operator and improving the protection of the hard capsule.

According to the invention, the arrangement of the scale mark is convenient for a user to check the depth of the main body, so that the placement depth of the fusion device is obtained, and convenience is brought to subsequent placement, and the arrangement of the fluorescent powder can be accurately seen even if the shadowless lamp is shielded.

Drawings

FIG. 1 is a schematic perspective view of an auxiliary baffle for posterior lumbar interbody fusion cage placement according to the present invention;

FIG. 2 is a schematic structural view of a hook position adjusting mechanism of the posterior lumbar interbody fusion cage of the present invention in a perspective state of the auxiliary baffle main body;

FIG. 3 is a schematic structural view of the bidirectional extension protection mechanism of the posterior lumbar interbody fusion cage of the present invention in a perspective state with the auxiliary baffle main body inserted;

FIG. 4 is a perspective detail structure diagram of the two-way extension protection mechanism of the posterior lumbar interbody fusion cage implanting auxiliary baffle of the present invention;

FIG. 5 is an enlarged view of a portion A of FIG. 1 according to the present invention.

In the figure: 1. a main body; 101. a first baffle plate; 102. a hinge assembly; 103. a second baffle; 2. a hand control anti-skid mechanism; 201. anti-skid edges; 202. reserving a frame; 203. a thumb ring; 3. a hook position adjusting mechanism; 301. a first rotating shaft member; 302. mounting a rod; 303. a first anti-slip hand adjusting sleeve; 304. a bearing frame assembly; 305. a first helical gear sleeve; 306. a second helical gear sleeve; 307. a rotating rod; 308. a rotating member; 309. a hook member; 4. a bidirectional extension protection mechanism; 401. a second shaft member; 402. a gear lever; 403. a second anti-slip hand adjusting sleeve; 404. a side reserved port; 405. assembling an edge frame; 406. reserving a gear; 5. a fluorescence type scale marking mechanism; 501. scale marking; 502. fluorescent powder; 503. and (5) medical silica gel.

Detailed Description

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like 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 "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. 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, the present invention provides a technical solution: the auxiliary baffle for placing the posterior lumbar interbody fusion cage comprises a main body 1, a hand-control anti-skidding mechanism 2, a hook position adjusting mechanism 3, a bidirectional extension protecting mechanism 4 and a fluorescent scale marking mechanism 5, wherein the hand-control anti-skidding mechanism 2 is arranged on one side above the main body 1, the hook position adjusting mechanism 3 is arranged on two sides of the middle of the main body 1, the bidirectional extension protecting mechanism 4 is arranged on one side of the hook position adjusting mechanism 3, the fluorescent scale marking mechanism 5 is arranged on one side of the main body 1, the main body 1 comprises a first baffle 101, a hinge assembly 102 and a second baffle 103, the hinge assembly 102 is arranged on one side of the first baffle 101, and the second baffle 103 is arranged on the other side of the hinge assembly 102; accuse hand non-slip mechanism 2 includes anti-skidding limit 201, reserve frame 202 and thumb ring 203, the top surface of main part 1 is provided with anti-skidding limit 201, and the top one end of main part 1 is provided with reserve frame 202, one side bottom of main part 1 is provided with thumb ring 203, thumb ring 203 and main part 1 be fixed body structure between the two, and thumb ring 203 is circular empty groove form and distributes, the setting of anti-skidding limit 201 is at the handheld in-process of operating personnel, can be simple play anti-skidding effect, and be provided with reserve frame 202 and thumb ring 203 respectively at one side bottom of main part 1, set up according to the anthropology, be convenient for the better posture of operating personnel is handheld and operate.

Referring to fig. 2, the present invention provides a technical solution: the auxiliary baffle is placed in the posterior lumbar interbody fusion cage, the hook position adjusting mechanism 3 comprises a first rotating shaft piece 301, a mounting rod 302, a first anti-skidding manual adjusting sleeve 303, a bearing frame component 304, a first bevel gear sleeve 305, a second bevel gear sleeve 306, a rotating rod 307, a rotating piece 308 and a hook piece 309, the mounting rod 302 is arranged in the middle of the first rotating shaft piece 301, the first anti-skidding manual adjusting sleeve 303 is arranged above the mounting rod 302, the bearing frame component 304 is arranged on one side of the middle of the mounting rod 302, the first bevel gear sleeve 305 is arranged on one side of the end of the mounting rod 302, the second bevel gear sleeve 306 is arranged on the side of the first bevel gear sleeve 305, the rotating rod 307 is arranged in the middle of the second bevel gear sleeve 306, the rotating piece 308 is arranged on two sides of the rotating rod 307, the hook piece 309 is connected to two sides of the middle of the rotating rod 307, and the hook piece 309 passes through the rotating rod 307, the rotating piece 308, the first bevel gear sleeve 305, the second bevel gear sleeve 306, the rotating piece 307, the hook piece 307, the rotating piece 307, the second bevel gear sleeve 306, the hook piece 307, the rotating piece 308, the first bevel gear sleeve 305 and the hook piece 305, The mounting rod 302 and the first rotating shaft 301 form an angle adjusting structure, and the periphery of one side of the middle part of the mounting rod 302 is provided with a bearing frame assembly 304, when an operator puts the auxiliary baffle into the opening of the human body, the operation posture of the operator may be changed into different high-difficulty postures for auxiliary hooking due to different angles due to the problem of different angle distribution of the nerve roots to be placed, which is troublesome and has low risk coefficient, at this time, the operator can manually screw the first anti-skid hand adjusting sleeve 303, the mounting rod 302 in the middle thereof synchronously rotates along with the first rotating shaft 301 and the bearing bracket assembly 304, and at this time, the first bevel gear sleeve 305 and the second bevel gear sleeve 306 on one side of the mounting rod 302 are in meshing transmission, therefore, the hook 309 is driven by the relative rotating components of the rotating rod 307 and the rotating piece 308 to adjust the movement angle, so as to achieve the beneficial effect of assisting the operator to hook and pull the nerve root.

Referring to fig. 3-4, the present invention provides a technical solution: the posterior lumbar interbody fusion cage imbedding auxiliary baffle plate, the bidirectional extension protection mechanism 4 comprises a second rotating shaft part 401, a gear rod 402, a second anti-skidding manual adjusting sleeve 403, a side reserved opening 404, an edge-mounting frame 405 and a reserved gear 406, the gear rod 402 is arranged in the middle of the second rotating shaft part 401, the second anti-skidding manual adjusting sleeve 403 is arranged at the top of the gear rod 402, the side reserved openings 404 are respectively arranged at two sides of the main body 1, the edge-mounting frame 405 is arranged at one side of the gear rod 402, the reserved gear 406 is distributed at the inner side of the edge-mounting frame 405, the edge-mounting frame 405 forms a meshing transmission structure through the gear rod 402, the second rotating shaft part 401 and the reserved gear 406, the gear rod 402 and the second anti-skidding manual adjusting sleeve 403 are fixedly connected, in a general situation, the hook 309 is used for hooking the nerve root to achieve the effect of imbedding the fusion cage, however, the nerve root is divided into left and right nerve roots, and has a left and a right part, at this moment, the hinge assembly 102 arranged between the first baffle plate 101 and the second baffle plate 103 can achieve the beneficial effect of fine adjustment of the angle, and in order to facilitate the placement of an operator on the fusion cage, the operator can rotate the second anti-skid hand adjusting sleeve 403 according to the actual situation, wherein the gear rod 402 can extend and adjust the edge mounting frame 405 in the same direction at the same speed by using the second rotating shaft part 401 and the gear assembly of the reserved gear 406, thereby providing the operator with a wider operating space and protecting the hard film capsule.

Referring to fig. 5, the present invention provides a technical solution: the auxiliary baffle is placed in the posterior lumbar interbody fusion cage, the fluorescence type scale marking mechanism 5 comprises scale marks 501, fluorescent powder 502 and medical silica gel outer edges 503, the fluorescent powder 502 is arranged on the periphery of the scale marks 501, the medical silica gel outer edges 503 are arranged on the side edges of the main body 1, the scale marks 501 are distributed at equal intervals along the two sides of the middle part of the main body 1, the medical silica gel outer edges 503 are arranged on the outer sides of the scale marks 501, the scale marks 501 are convenient for a user to check the depth of the main body 1, so that the placement depth of the fusion cage is obtained, convenience is brought to subsequent placement, the scales can be accurately seen even if the shadowless lamp is shielded due to the arrangement of the fluorescent powder 502, in order to ensure the safety of personnel under the portable condition, one side of the scale mark 501 of the main body 1 is pasted with a layer of medical silica gel outer edges 503, the sealing effect is intact, and the scale is harmless to the human body, the daily operation of the operator is convenient.

The working principle is as follows: for the auxiliary baffle plate for the posterior lumbar interbody fusion cage, firstly, when an operator places the auxiliary baffle plate in an opening of a human body, the operator may change different high-difficulty postures due to different angles to perform auxiliary hooking because of different angle distributions of nerve roots at positions to be placed, the operator may have trouble and a low risk coefficient, at this time, the operator may manually screw the first anti-slip hand adjusting sleeve 303, the mounting rod 302 in the middle of the first anti-slip hand adjusting sleeve rotates synchronously with the first rotating shaft member 301 and the bearing frame member 304, the first bevel gear sleeve 305 on one side of the mounting rod 302 and the second bevel gear sleeve 306 are in meshing transmission, so that the relative rotating members of the rotating rod 307 and the rotating member 308 are used for driving the hook member 309 to perform adjustment on a movement angle, so as to achieve the beneficial effect of assisting the operator in hooking nerve roots, and under a general condition, the hook 309 is used for hooking and pulling the nerve roots to achieve the effect of placing the fusion device, however, the nerve roots are divided into left and right nerve roots, and the left and right nerve roots are divided, at the moment, the hinge assembly 102 arranged between the first baffle plate 101 and the second baffle plate 103 can achieve the beneficial effect of fine adjustment of the angle, in order to facilitate the placement of the fusion device by an operator, the operator can rotate the second anti-slip hand adjustment sleeve 403 according to the actual situation, and the gear rod 402 in the middle can make the edge mounting frame 405 perform extension adjustment at the same speed by using the gear assembly of the second rotating shaft part 401 and the reserved gear 406, so that the operation space is wider for the operator, the protection for improving the hard membrane capsule is achieved, and the daily operation and the corresponding related parts of the operator are protected to a relative degree.

Claims (9)

1. Supplementary baffle is put into to way of escape lumbar vertebrae interbody fusion cage, but including main part (1), accuse hand anti-skidding mechanism (2), hook position adjustment mechanism (3), two-way extension protection machanism (4) and fluorescence formula scale mark mechanism (5), its characterized in that: a hand-control anti-skidding mechanism (2) is arranged on one side above the main body (1), hook position adjusting mechanisms (3) are arranged on two sides of the middle of the main body (1), a bidirectional extension protection mechanism (4) is arranged on one side of the hook position adjusting mechanism (3), a fluorescent scale marking mechanism (5) is arranged on one side of the main body (1), the bidirectional extension protection mechanism (4) comprises a second rotating shaft piece (401), a gear rod (402), a second anti-skidding hand adjusting sleeve (403), a side reserved opening (404), an edge mounting frame (405) and a reserved gear (406), a gear rod (402) is arranged in the middle of the second rotating shaft piece (401), a second anti-skidding hand adjusting sleeve (403) is arranged at the top of the gear rod (402), the side reserved openings (404) are respectively arranged on two sides of the main body (1), the edge mounting frame (405) is arranged on one side of the gear rod (402), and the inner side of the edge mounting frame (405) is distributed with a reserved gear (406).

2. The posterior lumbar interbody cage implantation assisting barrier as set forth in claim 1, wherein: the edge-mounting frame (405) forms a meshing transmission structure with the reserved gear (406) through the gear rod (402), the second rotating shaft piece (401), and the gear rod (402) is fixedly connected with the second anti-skidding hand adjusting sleeve (403).

3. The posterior lumbar interbody fusion cage implantation assisting baffle as claimed in claim 1, wherein: the main body (1) comprises a first baffle (101), a hinge assembly (102) and a second baffle (103), the hinge assembly (102) is arranged on one side edge of the first baffle (101), and the second baffle (103) is arranged on the other side edge of the hinge assembly (102).

4. The posterior lumbar interbody cage implantation assisting barrier as set forth in claim 1, wherein: accuse hand antiskid (2) are including anti-skidding limit (201), reserve frame (202) and thumb ring (203), the top surface of main part (1) is provided with anti-skidding limit (201), and the top one end of main part (1) is provided with reserve frame (202), one side bottom of main part (1) is provided with thumb ring (203).

5. The posterior lumbar interbody cage implantation assisting barrier as set forth in claim 4, wherein: the thumb ring (203) and the main body (1) are fixed into a whole, and the thumb ring (203) is distributed in a circular groove shape.

6. The posterior lumbar interbody cage implantation assisting barrier as set forth in claim 1, wherein: the hook position adjusting mechanism (3) comprises a first rotating shaft piece (301), a mounting rod (302), a first anti-skidding manual adjusting sleeve (303), a bearing bracket component (304), a first bevel gear sleeve (305), a second bevel gear sleeve (306), a rotating rod (307), a rotating piece (308) and a hook piece (309), a mounting rod (302) is arranged in the middle of the first rotating shaft piece (301), a first anti-skid hand adjusting sleeve (303) is arranged above the mounting rod (302), a bearing frame assembly (304) is arranged on one side of the middle part of the mounting rod (302), a first bevel gear sleeve (305) is arranged on one side of the end head of the mounting rod (302), a second bevel gear sleeve (306) is arranged on the side edge of the first bevel gear sleeve (305), a rotating rod (307) is arranged in the middle of the second bevel gear sleeve (306), and rotating pieces (308) are arranged on two sides of the rotating rod (307), and hook pieces (309) are connected to two sides of the middle of the rotating rod (307).

7. The posterior lumbar interbody cage implantation assisting barrier as set forth in claim 6, wherein: the hook piece (309) forms an angle adjusting structure with the first rotating shaft piece (301) through the rotating rod (307), the rotating piece (308), the first bevel gear sleeve (305), the mounting rod (302) and the first bevel gear sleeve (306), and a bearing frame assembly (304) is arranged on the periphery of one side of the middle of the mounting rod (302).

8. The posterior lumbar interbody cage implantation assisting barrier as set forth in claim 1, wherein: but fluorescence formula scale marking mechanism (5) are including scale mark (501), phosphor powder (502) and medical silica gel outside (503), and the periphery of scale mark (501) is provided with phosphor powder (502), the side surface of main part (1) is provided with medical silica gel outside (503).

9. The posterior lumbar interbody fusion cage implantation assisting baffle as claimed in claim 8, wherein: the scale marks (501) are distributed along two sides of the middle of the main body (1) at equal intervals, and the outer edge (503) of the medical silica gel is arranged on the outer side of the scale marks (501).

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