CN103549991A - Supporting device used for vertebral plate expansion and formation - Google Patents

Supporting device used for vertebral plate expansion and formation Download PDF

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Publication number
CN103549991A
CN103549991A CN201310536130.2A CN201310536130A CN103549991A CN 103549991 A CN103549991 A CN 103549991A CN 201310536130 A CN201310536130 A CN 201310536130A CN 103549991 A CN103549991 A CN 103549991A
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CN
China
Prior art keywords
adjusting rod
vertebral plate
bracing
strutting arrangement
plate
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Application number
CN201310536130.2A
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Chinese (zh)
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CN103549991B (en
Inventor
刘明岩
孙宇
刘一
张文桥
邬春晖
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Shanghai Sanyou medical equipment Limited by Share Ltd
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SHANGHAI TATENG MEDICAL DEVICE CO Ltd
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Priority to CN201310536130.2A priority Critical patent/CN103549991B/en
Publication of CN103549991A publication Critical patent/CN103549991A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564Methods for bone or joint treatment

Abstract

The invention provides a supporting device used for the vertebral plate expansion and formation. The supporting device used for the vertebral plate expansion and formation comprises a base, a lifting plate and a regulation lever, wherein the base comprises a fixing plate; one end of the fixing plate is provided with a baffle and a spacing part, wherein the baffle extends out to one oblique upper side; the spacing part is downwards bent; the other end of the fixing plate is provided with a screw hole; the lower end of the regulation lever is installed on the fixing plate; the lifting plate can be installed on the regulation lever in a vertical regulation mode. According to the device, the elevation technology of a double-side incision rear vertebral plate is possible. When the device is used, the cut rear vertebral plate is lifted and dragged by the action of the lifting plate, a ligament connected with the bone tissue does not need to be cut, so that unnecessary wounds are reduced, the ligament function recovery deficiency is made up, postoperative discomfort brought for patients are reduced, and defects in the prior art can be effectively avoided.

Description

Bracing or strutting arrangement for vertebral plate expanding and shaping
Technical field
The present invention relates to a kind of medical aid, relate in particular to a kind of when operation on vertebra the bracing or strutting arrangement for vertebral plate expanding and shaping.
Background technology
Vertebra canalis spinalis (nerve system of human body penetrating via) is narrow is a kind of common disease, and its Clinical symptoms manifests neuralgia, myalgia and the dyskinesia etc., seriously affects quality of life even to cause paralysis.For this disease, in modern clinic treatment, normally used Therapeutic Method is called as vertebral plate expanding and shaping art, and its operational approach is vertebral plate after incision vertebra, pulls open otch and is fixed, the object of expand canalis spinalis space to reach, alleviating nerve compression.Different according to drawing scalloping mode, vertebral plate expanding and shaping art is divided into again two kinds of single open-door and double doors.
Single open-door modus operandi is a side of vertebral plate after incision vertebra, then pulling open otch makes rear vertebral plate form " opening the door " to offside upset, asymmetry due to single open-door, need excision rear tractive ligament is connected with osseous tissue, but this physical function that can affect patients after surgery recovers and can cause pain, especially axle pain.
Double door modus operandi is along vertebral plate after the midline incision of vertebral plate after vertebra, pulls open otch and makes rear vertebral plate to both sides, separately form " double door ".It is very limited that double door expands the space of canalis spinalis, and also cannot retain being connected of rear tractive ligament and osseous tissue, needs to excise.So what double door method was employed is not a lot.
The patent No. is that the Chinese patent of CN202665673U discloses a kind of cervical vertebra shaped steel plate, it comprises body, body comprises that profile is Z-shaped support, support upper end is upper mounted plate, fixing head is provided with screw mounting hole, and support lower end is bottom plate, is also provided with screw mounting hole on fixing head, support is provided with upper backup pad near upper mounted plate inner side, and support is provided with lower supporting plate near bottom plate inner side.Although this patent can be applied in the single open-door mode of vertebral plate expanding and shaping art, there will be equally the common problem of single open-door modus operandi as above.
Because all there are some defects in above-mentioned two kinds of modes, so medical personnel wish to have a kind of new technology can replace prior art always.Through a large amount of research, medical personnel propose a kind of desirable vertebral canal expansion forming method: i.e. vertebral plate from two lateral incision vertebras, by the whole vertebral plate cutting tractive backward, increase intravertebral space, and then fixed-type.This " lifting is opened the door " is simple by the vertebral plate tractive cutting, and can not bend, so can avoid unnecessary ligament cutting, wound is little, is beneficial to post-operative recovery, reduces pain.Due to whole rear vertebral plate promote after in a kind of free state, therefore need the support setting tool of an accurate stable.But because medical personnel just propose a kind of idea, also do not work out at present a reliable device and can help doctor to operate safely and steadly the laminoplasty of " lifting is opened the door ".
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of bracing or strutting arrangement safe, that realization " lifting is opened the door " formula vertebral plate expanding and shaping is performed the operation easily, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of bracing or strutting arrangement for vertebral plate expanding and shaping, and described bracing or strutting arrangement comprises base, riser and adjusting rod; Described base comprises fixing head, and one end of described fixing head is provided with baffle plate and the reclinate limiting section stretching out obliquely upward, and the other end of fixing head is provided with screw hole; The lower end of described adjusting rod is arranged on fixing head, and described riser can be arranged on adjusting rod to up-down adjustment.
Preferably, one end of described riser is provided with the support portion being bent upwards, and described support portion and baffle plate are in the same side.
Preferably, described adjusting rod has annular groove near lower end, and the lower end of adjusting rod has upwardly extending opening, and described opening is divided into left bar and right bar by the Lower Half of adjusting rod, on described base, has installing hole, and described annular groove matches with installing hole.
Preferably, described adjusting rod is provided with external screw thread, described riser and adjusting rod threaded engagement.
Preferably, described baffle plate is provided with two side by side in one end of fixing head, and described riser is between two baffle plates.
Preferably, the upper end of described adjusting rod is turret head.
Preferably, on described baffle plate, have locating hole.
Preferably, described screw hole is provided with two.
As mentioned above, the bracing or strutting arrangement for vertebral plate expanding and shaping of the present invention, has following beneficial effect:
After this device makes bilateral otch, vertebral plate lift technique becomes possibility.This device promotes tractive by the effect of riser by cut rear vertebral plate in use, the ligament that does not need cutting to be connected with osseous tissue, reduced unnecessary wound, the situations such as postoperative discomfort that made up the not enough of ligament functional rehabilitation and brought to patient, effectively avoided the defect in prior art, for existing vertebral plate expanding and shaping art development provides an advantage.
Accompanying drawing explanation
Fig. 1 is that the first of the present invention is implemented structural representation.
Fig. 2 is the structure chart of base in Fig. 1.
Fig. 3 is the structure chart of adjusting rod in Fig. 1.
Fig. 4 is that the second of the present invention is implemented structural representation.
Fig. 5 is the working state schematic representation of the present invention when operation.
Fig. 6 is the schematic diagram of the present invention when operation.
In figure: 1 base 2 risers
3 adjusting rod 4 vertebras
5 bone screw 6 canalis spinalis
11 fixing head 12 baffle plates
13 limiting section 14 screw holes
15 installing hole 21 support portions
The left bar of 31 opening 32
33 right bar 34 annular grooves
41 rear vertebral plate 121 locating holes
The specific embodiment
The structure that Figure of description illustrates, ratio, size etc., equal contents in order to coordinate description to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, is not affecting under the effect that the present invention can produce and the object that can reach, all should still drop in the scope that disclosed technology contents can contain.Simultaneously, in this description, quote as " on ", the term such as D score, 'fornt', 'back', " centre ", also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the present invention.
As Fig. 1-Figure 3 shows that, invent the first of a kind of bracing or strutting arrangement for vertebral plate expanding and shaping and implement structural representation, described bracing or strutting arrangement comprises base 1, riser 2 and adjusting rod 3.Described base 1 comprises fixing head 11, and one end of described fixing head 11 is provided with baffle plate 12 and the reclinate limiting section 13 stretching out obliquely upward, and the other end of fixing head 11 is provided with screw hole 14.The lower end of described adjusting rod 3 is arranged on the fixing head 11 of base 1, and what riser 2 can up-down adjustment is arranged on adjusting rod 3.
In operation process, for the ease of riser 2 and the rear vertebral plate close contact that cuts, described riser 2 one end are provided with the support portion 21 being bent upwards, shown in support portion 21 with above-mentioned limiting section 13 in the same side.The rear vertebral plate that 12 pairs, support portion 21 and baffle plate cut has played the effect of clamping and positioning.In the present embodiment, as shown in Figures 2 and 3, described adjusting rod 3 has annular groove 34 near lower end, the lower end of adjusting rod 3 has upwardly extending opening 31, described opening 31 is divided into left bar 32 and right bar 33 by the Lower Half of adjusting rod 3, and described left bar 32 and right bar 33 have the characteristic of radial compression.On described base 1, have installing hole 15, described annular groove 34 matches with installing hole 15, and wherein the diameter of adjusting rod 3 lower ends is greater than the diameter of installing hole 15.When mounted, left bar 32 and right bar 33 are all to opening 31 inboard compression, reduce the external envelope circular diameter of adjusting rod 3 lower ends, the lower end of adjusting rod 3 is inserted in installing hole 15, both can automatically reset after working good, to unclamp left bar 32 and right bar 33, thereby realize coordinating of annular groove 34 and installing hole 15, the adjusting rod 3 after cooperation can rotate in installing hole 15.
The regulative mode of above-mentioned riser 2 on adjusting rod 3 can have multiple, for example adjusting rod 3 is provided with external screw thread, adjusting rod 3 is provided with two nuts, described riser 2 is between two nuts, when rotating nut moves upward simultaneously, riser 2 rises, and when rotating nut moves downward simultaneously, riser 2 declines.Preferably, in the present embodiment, described adjusting rod 3 is provided with external screw thread, described riser 2 and adjusting rod 3 threaded engagement, and the height of riser 2 regulates by rotation adjusting rod 3.
In the present embodiment, the action effect of baffle plate 12 when increasing practical operation, described baffle plate 12 is provided with two side by side in one end of fixing head 11, and described riser 2 is between two baffle plates 12.During operation, when riser 2 moves upward and the cut rear vertebral plate of 12 pairs, two baffle plates form clamped condition; When riser 2 moves downward and the cut rear vertebral plate of 12 pairs, two baffle plates form releasing orientation.
In the present embodiment, described screw hole 14 is provided with two.
When practical operation, first riser 2 is coordinated with adjusting rod 3, then the lower end of adjusting rod 3 is arranged on fixing head 11, again as required, rotary regulating lever 3 regulates the position of riser 2, and for convenient rotation and adjustment, the upper end of described adjusting rod 3 is turret head.
Be illustrated in figure 4 the second of the present invention and implement structural representation, on wherein said baffle plate 12, have locating hole 121, during operation, by screw, baffle plate 12 is fixed on the rear vertebral plate cutting, and then make whole device more stable, firm with being connected of the rear vertebral plate cutting, prevent the rear vertebral plate displacement of cutting.Other versions of this enforcement structure are all identical with the first enforcement structure with principle.
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6, using method and the principle of the present invention when actual operation is as follows:
1), by 41 liang of lateral incisions of the rear vertebral plate of vertebra 4, make rear vertebral plate 41 separated with vertebra 4;
2) riser 2 is matched with adjusting rod 3, and rotate and upgrade the least significant end that plate 2 is located at adjusting rod 3, then adjusting rod 3 is arranged on the fixing head 11 of base 1 and forms bracing or strutting arrangement;
3) bracing or strutting arrangement of working good is placed near the otch of a side, fixing head 11 is placed on the apophysis of otch side, and cut rear vertebral plate 41 the inners are supported in the support portion 21 of riser 2, and limiting section 13 cards lean against the incision of vertebra 4;
4) bone screw 5 is coordinated whole bracing or strutting arrangement is fixed on the apophysis of side with screw hole 14;
5) in the incision repetitive operation step 3) and 4 of opposite side);
6) alternately rotate the turret head of both sides adjusting rod 3 upper ends, the riser 2 of both sides is moved upward, when riser 2 moves upward, can drive the rear vertebral plate 41 cutting to move upward, and then expand the space of canalis spinalis 6; Until rear vertebral plate 41 is clamped between the support portion 21 and two baffle plates 12 of riser 2, both sides adjusting rod 3 stops the rotation;
7) incision of both sides is carried out to bone grafting, operation completes.
Above-mentioned steps 7) bone grafting is implantable bone tissue between otch, and the osseous tissue of implantation contacts with otch, and after a period of time, the osseous tissue of implantation can connect together with the osseous tissue healing of incision.
If use support device structure as shown in Figure 4, so in above-mentioned steps 6) finish by bone screw, to coordinate baffle plate 12 is fixed on the rear vertebral plate 41 cutting with locating hole 121 afterwards, further improve stability.
In sum, the present invention, for the bracing or strutting arrangement of vertebral plate expanding and shaping, makes " lifting is opened the door " operation of vertebra become possibility, and has avoided the defect in prior art.So, thereby the present invention has effectively overcome practical problems more of the prior art, aspect surgical medical, have very high value and use meaning.
Above-mentioned embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.The present invention also has many aspects under the prerequisite without prejudice to overall thought, to improve, and for person skilled in the art scholar, all can, under spirit of the present invention and category, can above-described embodiment be modified or be changed.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.

Claims (8)

1. for a bracing or strutting arrangement for vertebral plate expanding and shaping, it is characterized in that: described bracing or strutting arrangement comprises base (1), riser (2) and adjusting rod (3); Described base (1) comprises fixing head (11), and one end of described fixing head (11) is provided with baffle plate (12) and the reclinate limiting section (13) stretching out obliquely upward, and the other end of fixing head (11) is provided with screw hole (14); It is upper that the lower end of described adjusting rod (3) is arranged on fixing head (11), and described riser (2) can be arranged on to up-down adjustment on adjusting rod (3).
2. the bracing or strutting arrangement for vertebral plate expanding and shaping according to claim 1, is characterized in that: one end of described riser (2) is provided with the support portion (21) being bent upwards, and described support portion (21) and baffle plate (12) are in the same side.
3. the bracing or strutting arrangement for vertebral plate expanding and shaping according to claim 1, it is characterized in that: described adjusting rod (3) has annular groove (34) near lower end, the lower end of adjusting rod (3) has upwardly extending opening (31), described opening (31) is divided into left bar (32) and right bar (33) by the Lower Half of adjusting rod (3), on described base (1), have installing hole (15), described annular groove (34) matches with installing hole (15).
4. the bracing or strutting arrangement for vertebral plate expanding and shaping according to claim 1, is characterized in that: described adjusting rod (3) is provided with external screw thread, described riser (2) and adjusting rod (3) threaded engagement.
5. the bracing or strutting arrangement for vertebral plate expanding and shaping according to claim 1, it is characterized in that: described baffle plate (12) is provided with two side by side in one end of fixing head (11), and described riser (2) is between two baffle plates (12).
6. the bracing or strutting arrangement for vertebral plate expanding and shaping according to claim 1, is characterized in that: the upper end of described adjusting rod (3) is turret head.
7. the bracing or strutting arrangement for vertebral plate expanding and shaping according to claim 1, is characterized in that: on described baffle plate (12), have locating hole (121).
8. the bracing or strutting arrangement for vertebral plate expanding and shaping according to claim 1, is characterized in that: described screw hole (14) is provided with two.
CN201310536130.2A 2013-11-01 2013-11-01 For the bracing or strutting arrangement of vertebral plate expanding and shaping Active CN103549991B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050228326A1 (en) * 2004-03-31 2005-10-13 Depuy Spine, Inc. Head-to-head connector spinal fixation system
CN101150995A (en) * 2003-10-20 2008-03-26 黑石医药股份有限公司 Bone plate and method for using bone plate
CN102551868A (en) * 2012-01-10 2012-07-11 刘观燚 Posterior cervical spine single open door side block spinous process steel plate
US20120271359A1 (en) * 2009-10-03 2012-10-25 Nuvasive, Inc. Bone plate system and related methods
CN202665673U (en) * 2012-06-13 2013-01-16 常州华森医疗器械有限公司 Laminoplasty steel plate
US20130197641A1 (en) * 2012-01-31 2013-08-01 Stryker Spine Laminoplasty implant, method and instrumentation
CN203591319U (en) * 2013-11-01 2014-05-14 上海三友医疗器械有限公司 Supporting device used for expanding forming of vertebral plate

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101150995A (en) * 2003-10-20 2008-03-26 黑石医药股份有限公司 Bone plate and method for using bone plate
US20050228326A1 (en) * 2004-03-31 2005-10-13 Depuy Spine, Inc. Head-to-head connector spinal fixation system
US20120271359A1 (en) * 2009-10-03 2012-10-25 Nuvasive, Inc. Bone plate system and related methods
CN102551868A (en) * 2012-01-10 2012-07-11 刘观燚 Posterior cervical spine single open door side block spinous process steel plate
US20130197641A1 (en) * 2012-01-31 2013-08-01 Stryker Spine Laminoplasty implant, method and instrumentation
CN202665673U (en) * 2012-06-13 2013-01-16 常州华森医疗器械有限公司 Laminoplasty steel plate
CN203591319U (en) * 2013-11-01 2014-05-14 上海三友医疗器械有限公司 Supporting device used for expanding forming of vertebral plate

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Owner name: SHANGHAI SANYOU MEDICAL EQUIPMENT CO., LTD.

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Effective date of registration: 20140416

Address after: 201807 Jiading District Jia Tang Road, Shanghai, No. 1988

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Applicant before: Shanghai Tateng Medical Device Co.,Ltd.

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Address after: 201807 Jiading District Jia Tang Road, Shanghai, No. 1988

Patentee after: Shanghai Sanyou medical equipment Limited by Share Ltd

Address before: 201807 Jiading District Jia Tang Road, Shanghai, No. 1988

Patentee before: Shanghai Sanyou Medical Devices Co., Ltd.