CN203424989U - Wire saw guiding device for spinal tumor laminectomy - Google Patents
Wire saw guiding device for spinal tumor laminectomy Download PDFInfo
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- CN203424989U CN203424989U CN201320404115.8U CN201320404115U CN203424989U CN 203424989 U CN203424989 U CN 203424989U CN 201320404115 U CN201320404115 U CN 201320404115U CN 203424989 U CN203424989 U CN 203424989U
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- wire saw
- connecting rod
- tumor
- bending
- gride
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Abstract
The utility model relates to a wire saw guiding device for spinal tumor laminectomy. The wire saw guiding device for the spinal tumor laminectomy comprises a rear handle arm and a front handle arm, wherein one end of the front handle arm is connected with the rear handle arm through a connecting rod, the other end of the front handle arm is connected with a spool confrontation device connecting rod, a first bending portion is arranged in the middle of the spool confrontation device connecting rod, a detachable guiding frame is arranged at the top end of the spool confrontation device connecting rod, two idler wheels are arranged in the guiding frame, and a baffle is fixed to the upper portion of the guiding frame in the bending direction of the first bending portion. The wire saw guiding device for the spinal tumor laminectomy has the advantages that stability of a wire saw in the process of the laminectomy tumor resection can be remarkably improved, nerve root injuries or spinal cord injuries caused by unknowable factors such as bounce of the wire saw in the process of operation are greatly reduced, and accuracy of the resection is improved.
Description
Technical field
This utility model relates to technical field of medical instruments, relates in particular to a kind of wire saw gride for the full vertebra excision of tumor of spine.
Background technology
Tumor of spine en bloc resection is proposed by Tomita as the important operation theory of tumor of spine surgery, obtains gradually clinically colleague's approval and application.This theory emphasizes tumor to do as a whole excision, and operation is carried out in the normal structure outside tumor as far as possible, tumor resection and pseudocapsule thereof.In art, note protecting vital tissue organ around, the dura mater of the vertebra horizontal of getting involved is carefully separated with vertebral body rear wall with nerve root, and bilateral pedicle of vertebral arch is through special scroll saw, from disconnected it, then by intervertebral disc level from disconnected vertebral body, by rear, around spinal cord, take out disease vertebra.
At present, when utilizing scroll saw to perform the operation, the main problem existing is the poor stability of scroll saw operation, and the easy generation of scroll saw upper and lower is acutely rocked, and during from disconnected pedicle of vertebral arch or intervertebral disc, scroll saw can bounce.These problems bring negative effect to the effect of operation, have reduced the precision of excision.
Utility model content
The purpose of this utility model is to provide a kind of wire saw gride for the full vertebra excision of tumor of spine, to overcome prior art above shortcomings.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of wire saw gride for the full vertebra excision of tumor of spine, comprise handle postbrachium and handle forearm, one end of described handle forearm is connected with described handle postbrachium by connecting rod, the other end of handle forearm is connected with bobbin antagonism device connecting rod, described bobbin antagonism device connecting rod middle part has bending one, bobbin antagonism device connecting rod top is provided with dismountable guide housing, is provided with two rollers in guide housing, and guide housing top is fixed with baffle plate towards described bending one overbending direction.
Further, between described handle postbrachium and described connecting rod, be provided with stop collar.
Further, described connecting rod middle part has bending two, and bending two bending angle is 135 °; Described bending one is with described bending two to same lateral bend, and bending one bending angle is 110 °.
Further, described guide housing is connected with described bobbin antagonism device connecting rod by screw thread; The roller of guide housing has different spacing, and spacing is respectively 1cm, 1.2cm and 1.3cm; Described roller is fixed in described guide housing by bearing pin, is provided with dividing plate between roller.
Further, described baffle plate lower surface is cambered surface, and baffle plate is connected with described bobbin antagonism device connecting rod by screw thread.
The beneficial effects of the utility model are: the stability of scroll saw in the time of significantly improving full vertebra tumorectomy, thus greatly reduce nerve root or the spinal cord injury that the ignorance factors such as spring in scroll saw operating process cause, improved the precision of excision.
Accompanying drawing explanation
With reference to the accompanying drawings this utility model is described in further detail below.
Fig. 1 is for the structural representation one of the wire saw gride of the full vertebra excision of tumor of spine described in this utility model embodiment;
Fig. 2 is for the structural representation two of the wire saw gride of the full vertebra excision of tumor of spine described in this utility model embodiment;
Fig. 3 is for the structural representation of the wire saw gride connecting rod of the full vertebra excision of tumor of spine described in this utility model embodiment;
Fig. 4 is for the profile of the wire saw gride bobbin antagonism device connecting rod of the full vertebra excision of tumor of spine described in this utility model embodiment;
Fig. 5 is for the front view of the wire saw gride guide housing of the full vertebra excision of tumor of spine described in this utility model embodiment;
Fig. 6 is for the left view of the wire saw gride guide housing of the full vertebra excision of tumor of spine described in this utility model embodiment;
Fig. 7 is for the top view of the wire saw gride guide housing of the full vertebra excision of tumor of spine described in this utility model embodiment;
Fig. 8 is for the front view of the wire saw gride baffle plate of the full vertebra excision of tumor of spine described in this utility model embodiment;
Fig. 9 is for the left view of the wire saw gride baffle plate of the full vertebra excision of tumor of spine described in this utility model embodiment;
Figure 10 is for the top view of the wire saw gride baffle plate of the full vertebra excision of tumor of spine described in this utility model embodiment.
In figure:
1, handle postbrachium; 2, handle forearm; 3, connecting rod; 4, bobbin antagonism device connecting rod; 5, bend one; 6, guide housing; 7, roller; 8, baffle plate; 9, stop collar; 10, bend two; 11, bearing pin; 12, dividing plate.
The specific embodiment
As Figure 1-10 shows, the wire saw gride for the full vertebra excision of tumor of spine described in this utility model embodiment, comprise handle postbrachium 1 and handle forearm 2, one end of described handle forearm 2 is connected with described handle postbrachium 1 by connecting rod 3, the other end of handle forearm 2 is connected with bobbin antagonism device connecting rod 4, described bobbin antagonism device connecting rod 4 middle parts have bending 1, bobbin antagonism device connecting rod 4 tops are provided with dismountable guide housing 6, in guide housing 6, be provided with two rollers 7, guide housing 6 tops are fixed with baffle plate 8 towards described bending one 5 overbending directions; Between described handle postbrachium 1 and described connecting rod 3, be provided with stop collar 9; Described connecting rod 3 middle parts have bending 2 10, and bending 2 10 bending angle is 135 °; Described bending 1 is with described bending 2 10 to same lateral bend, and bending one 5 bending angle is 110 °; Described guide housing 6 is connected with described bobbin antagonism device connecting rod 4 by screw thread, and the roller 7 of guide housing 6 has different spacing, and spacing is respectively 1cm, 1.2cm and 1.3cm; Described roller 7 is fixed in described guide housing 6 by bearing pin 11, is provided with dividing plate 12 between roller 7; Described baffle plate 8 lower surfaces are cambered surface, and baffle plate 8 is connected with described bobbin antagonism device connecting rod 4 by screw thread.
During concrete use, this utility model is applicable to neck thoracolumbar spine oncologic application.The user right hand is held handle postbrachium 1, left hand is held handle forearm 2, baffle plate 8 is supported on the transverse process of lesion segment, the scroll saw of walking around pedicle of vertebral arch or intervertebral disc is passed to (guide housing 6 has 3 sections of designs, can change according to the tumor of different parts) successively from roller 7 belows of guide housing 6.Scroll saw is in disconnected pedicle of vertebral arch or intervertebral disc, and user shifts out this apparatus, and scroll saw is extracted out.
User of the present utility model can two-handed hand-held, and good stability is provided; Interior different rollers 7 spacing of dismountable guide housing 6 make this apparatus meet respectively the needs of neck breast waist different parts tumor resection; Baffle plate 8 can frame on transverse process, upper and lower significantly movable of antagonism scroll saw, improves stability and can in the whole operating process of scroll saw, provide good constraint, the spring of scroll saw while avoiding from disconnected pedicle of vertebral arch or intervertebral disc.
This utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection domain of the present utility model.
Claims (8)
1. the wire saw gride for the full vertebra excision of tumor of spine, comprise handle postbrachium (1) and handle forearm (2), it is characterized in that: one end of described handle forearm (2) is connected with described handle postbrachium (1) by connecting rod (3), the other end of handle forearm (2) is connected with bobbin antagonism device connecting rod (4), described bobbin antagonism device connecting rod (4) middle part has bending one (5), bobbin antagonism device connecting rod (4) top is provided with dismountable guide housing (6), in guide housing (6), be provided with two rollers (7), guide housing (6) top is fixed with baffle plate (8) towards described bending one (5) overbending direction.
2. the wire saw gride for the full vertebra excision of tumor of spine according to claim 1, is characterized in that: between described handle postbrachium (1) and described connecting rod (3), be provided with stop collar (9).
3. the wire saw gride for the full vertebra excision of tumor of spine according to claim 2, is characterized in that: described connecting rod (3) middle part has bending two (10), and the bending angle of described bending two (10) is 135 °.
4. the wire saw gride for the full vertebra excision of tumor of spine according to claim 3, is characterized in that: described bending one (5) is with described bending two (10) to same lateral bend, and bending one (5) bending angle is 110 °.
5. the wire saw gride for the full vertebra excision of tumor of spine according to claim 4, is characterized in that: described guide housing (6) is connected with described bobbin antagonism device connecting rod (4) by screw thread.
6. the wire saw gride for the full vertebra excision of tumor of spine according to claim 5, is characterized in that: the spacing between two rollers (7) of described guide housing (6) is 1cm, 1.2cm or 1.3cm.
7. the wire saw gride for the full vertebra excision of tumor of spine according to claim 6, is characterized in that: described roller (7) is fixed in described guide housing (6) by bearing pin (11), is provided with dividing plate (12) between two rollers (7).
8. the wire saw gride for the full vertebra excision of tumor of spine according to claim 7, is characterized in that: described baffle plate (8) lower surface is cambered surface, and baffle plate (8) is connected with described bobbin antagonism device connecting rod (4) by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320404115.8U CN203424989U (en) | 2013-07-08 | 2013-07-08 | Wire saw guiding device for spinal tumor laminectomy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320404115.8U CN203424989U (en) | 2013-07-08 | 2013-07-08 | Wire saw guiding device for spinal tumor laminectomy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203424989U true CN203424989U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320404115.8U Expired - Fee Related CN203424989U (en) | 2013-07-08 | 2013-07-08 | Wire saw guiding device for spinal tumor laminectomy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203424989U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016126043A1 (en) * | 2015-02-02 | 2016-08-11 | 주식회사 코렌텍 | Gigli saw position-determining device |
| CN106137309A (en) * | 2016-08-08 | 2016-11-23 | 李锋 | A kind of scroll saw guide entirely cutting art for tumor of spine |
| CN110192906A (en) * | 2019-07-11 | 2019-09-03 | 曹云 | A kind of scroll saw guiding device that Vertebral Neoplasmss are cut entirely |
| CN110292412A (en) * | 2018-03-22 | 2019-10-01 | 吉林大学 | A kind of scroll saw guiding device for cutting art entirely for tumor of spine |
-
2013
- 2013-07-08 CN CN201320404115.8U patent/CN203424989U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016126043A1 (en) * | 2015-02-02 | 2016-08-11 | 주식회사 코렌텍 | Gigli saw position-determining device |
| KR101679754B1 (en) | 2015-02-02 | 2016-11-25 | 주식회사 코렌텍 | Device for positioning Gigli saw |
| CN106137309A (en) * | 2016-08-08 | 2016-11-23 | 李锋 | A kind of scroll saw guide entirely cutting art for tumor of spine |
| CN110292412A (en) * | 2018-03-22 | 2019-10-01 | 吉林大学 | A kind of scroll saw guiding device for cutting art entirely for tumor of spine |
| CN110192906A (en) * | 2019-07-11 | 2019-09-03 | 曹云 | A kind of scroll saw guiding device that Vertebral Neoplasmss are cut entirely |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20150708 |
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| EXPY | Termination of patent right or utility model |