CN2577773Y - Posterior thoracic vertebra drill positioner - Google Patents
Posterior thoracic vertebra drill positioner Download PDFInfo
- Publication number
- CN2577773Y CN2577773Y CN 02248265 CN02248265U CN2577773Y CN 2577773 Y CN2577773 Y CN 2577773Y CN 02248265 CN02248265 CN 02248265 CN 02248265 U CN02248265 U CN 02248265U CN 2577773 Y CN2577773 Y CN 2577773Y
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- vertebra
- positioning
- foot
- location division
- thoracic vertebra
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Abstract
The utility model relates to a rear thoracic vertebra drill positioner, which mainly comprises a positioning part, a rod body and a holding part, wherein, a notch is arranged below the positioning part in order to form a positioning block which is forwards convexly extended at the bottom of the positioning part, and notch is provided with a forward opening; the front end of the positioning block is also recessed with a positioning calking groove, and the inner side of the positioning calking groove is provided with the shape of a circular arc; the front side of the positioning part is protruded with a guide tube; the center of the guide tube is positioned on an extension line of the center of the positioning calking groove. A rod body which is outwards extended from one side of the positioning part is upwards bent, and the rod body is in the shape of C; the end part of the rod body is provided with the holding part which is used for holding by users. In such a way, the positioning calking groove is inserted on a vertebra foot of thoracic vertebrae, a drilling apparatus can be rapidly and accurately led on the drill positioner by the guide tube; because the positioning calking groove and the notch are clamped at the vertebra foot of spinal columns and a vertebral arch, offset can be avoided when drills.
Description
[technical field]
This utility model relates to a kind of rear side thoracic vertebra boring localizer, refers to that especially a kind of can reaching fast guide borer pleurobranch vertebra boring localizer to location drilling and after can avoiding producing skew when the boring accurately.
[background technology]
" vertebra " is the strongst some of health, healthy vertebra has elasticity, and can pain, it is supporting the weight of health, the people can be come and go freely, vertebra is to be gathered into folds one by one from cervical vertebra to lumbar vertebra vertebra by 24 joints, by skull the bottom extend to coccyx always and constituted, it mainly is to be divided into cervical vertebra, three parts of thoracic vertebra and lumbar vertebra, wherein seven of cervical vertebra vertebras forward bending become cervical lordosis, 12 vertebras of thoracic vertebra bending backward become protruding behind the thoracic vertebra, nethermost 5 joint lumbar vertebras bending forward become kurtorachic, these curves must reach balance just can make our stand erectly Shi Buhui effort or pain, as shown in Figure 1, its thoracic vertebra diaphysis (10) vertebral arch (11) person of forming before then to be its front side with vertebra foot (12) be provided with, and should before form a vertebra chamber (13) between vertebral arch (11) and thoracic vertebra diaphysis (10) and can be placed in wherein for spinal cord, and be to have nerve to be connected on the spinal cord with brain.
The situation that solid device applies to operation on vertebra in the vertebra is quite common, and general operation on vertebra is to be begun by the patient back, and in the time will carrying out the spinal fixation operation, its fixed method is for colluding and the vertebral arch bone colludes through vertebra foot nail or through vertebra foot bone.The former mostly uses at lumbar surgery, and then both use and perform the operation at thoracic vertebra.And fixed effect is with best through vertebra foot nail effect.But less through the situation of vertebra foot nail in thoracic vertebra operation use at present, reason is difficulty of technology.At present mostly being used in lumbar surgery through vertebra foot nail mainly is that operator can find correct position via anatomical configurations, and when thoracic vertebra is performed the operation, because of its reference configuration clear and definite inadequately, be difficult for finding correct position and do not allow wrong poor, so mostly select the method for safety, promptly use bone to collude and be fixed on the thoracic vertebra (1).But its fixed effect is usually not enough, and complication takes place easily, and for example bone colludes displacement.And the fixed effect that bone colludes is poor, and it is to the bed knife quantity not sufficient of thoracic vertebra (1), and operation can't reach preferable effect.Even so, still have the doctor who is skilled in technique,, be ready to use through vertebra foot nail for asking preferable operation achievement.
Press, the general known work that is drilled with locating hole on thoracic vertebra (1) mainly is directly to reach by a borer (2), and the structure of this borer (2), as shown in Figure 1, it mainly is to extend for a lever (22) bottom to be provided with a drilling rod (21), and and convex with a drill bit (20) person of forming in the drilling rod bottom, as Figure 1-3.
Yet this kind commonly used directly and with a borer (2) thoracic vertebra (1) is drilled with the mode of locating hole, though applied in the medical circles widely, easily produces following shortcoming in the use:
One, polarization is not good: because this commonly uses the mode that directly is drilled with locating hole with borer (2), because of its when being drilled be directly with hold its lever (22) then to its application of force so that the drill bit of its bottom (20) is drilled with among the thoracic vertebra (1) establishes for a steel nail (4) spiral shell in order to do convenient to form a locating hole, yet since the shape of thoracic vertebra (1) be for the irregular circular arc of a tool shaft-like, so when it just is easy to when being drilled with so locatees difficult, and cause slightly slippage, produce deviation with angle or the position that causes its locating hole that is drilled with, in case when steel nail (4) is screwed in the thoracic vertebra (1) by this locating hole, just can cause its steel nail (4) to insert in the vertebra chamber (13) or be piercing in the formation of thoracic vertebra (1) outside, and cause in the vertebra chamber (13) or the nerve of thoracic vertebra (1) outside, therefore and impaired serious consequence blood vessel or muscle, so generally implement the worker that this is drilled with locating hole, be must be for an experience person of enriching can reach, as shown in Figure 2.
Two, program is numerous during enforcement covers and bothers: because of this commonly uses the mode that directly is drilled with locating hole with borer (2), because of its location very difficult, institute thinks and guarantees that its locating hole that is drilled with is to be positioned at accurately directly over the vertebra foot (12) of thoracic vertebra (1), and steel nail (4) just can be positioned among this vertebra foot (12) and the unlikely damage that causes other when being screwed into, therefore be must be when its locating hole is drilled with after finishing at least again according to an X-ray, whether accurate to determine its position that is drilled with, as accurately then just can directly being screwed into steel nail (4), otherwise, then just must be revised again if any deviation and to be drilled with, and repeat an X-ray examination again, till accurately, so it is till be screwed into steel nail (4), may must be through the repeatedly irradiation and the inspection of X-ray, cause very big injury so so not only the people is known from experience, and its when implementing program be comparatively numerously to cover and bother, therefore and the time that it spent also significantly increases, so relative danger just can increase patient and perform the operation the time.
[summary of the invention]
This utility model provides a kind of can reaching fast to guide borer pleurobranch vertebra boring localizer to location drilling and after can avoiding producing skew in when boring accurately, its structure mainly is to comprise a location division, one body of rod and a grip part member, wherein the location division is that its below is provided with opening short slot forward so that a locating piece that protrudes out is forward formed on its bottom, and end then is and is concaved with an inboard and is circular-arc positioning embeded groove before this locating piece, side then is to convex with a conduit before this location division in addition, and the heart is to be positioned on the positive center extension line of positioning embeded groove among this conduit, the body of rod then is to be stretched by one of location division epitaxial lateral overgrowth to be one and upwards to bend it＜font, and its end is provided with a grip part that is available for users to gripping, so just can by on the vertebra foot that positioning embeded groove is embedded at vertebra for the conduit left and right displacement that prevents the location division, and utilize the short slot embedding to pull so that the conduit of its location division is unlikely slides up and down in the bottom of thoracic vertebra vertebral arch, and in the time of also can making its vertebra foot that relies on thoracic vertebra by the positioning embeded groove inboard is circular-arc effect again, but homing guidance and find the center of vertebra foot, and make on its centrage that is positioned at locating slot automatically, the relative central point that also makes the conduit that is positioned at the vertebral arch top also falls within the center of vertebra foot, so when borer being inserted when holing in the conduit, make and to be drilled with out a locating hole that falls within directly over the vertebra foot, to make things convenient for the steel nail spiral shell to establish, can reach fast and have one, guiding accurately, location and produce the benefit person of the skew when avoiding holing.
[description of drawings]
Fig. 1 is the schematic perspective view of known rear side thoracic vertebra when boring.
Fig. 2 is the section action sketch map of known rear side thoracic vertebra when boring.
Generalized section when Fig. 3 establishes steel nail for known rear side thoracic vertebra spiral shell.
Fig. 4 is the stereo appearance figure of utility model.
Fig. 5 is positioned the stereoscopic motion figure of thoracic vertebra for utility model.
The action diagram that Fig. 6 is positioned thoracic vertebra and plugs with borer for utility model.
Fig. 7 is positioned thoracic vertebra for utility model and with the profile of borer boring.
Fig. 8 is the enforcement action sketch map at another visual angle of this utility model.Figure number explanation (1) thoracic vertebra (10) body of thoracic vertebre (11) vertebral arch (12) vertebra foot (13) vertebra chamber (14) rib (2) borer (20) drill bit (21) drilling rod (22) lever (3) vertebra boring localizer (30) location division (31) short slot (32) locating piece (33) positioning embeded groove (34) conduit (35) body of rod (36) grip part (4) steel nail
[specific embodiment]
Please referring to shown in Figure 4, be a kind of rear side thoracic vertebra boring localizer (3), its structure mainly is to comprise a location division (30), one body of rod (35) and a grip part (36) member, wherein location division (30) are that its below is provided with opening short slot (31) forward so that a locating piece that protrudes out forward (32) is formed on its bottom, and this locating piece (32) is held before and then is and is concaved with an inboard and is circular-arc positioning embeded groove (33), in addition this location division (30) before side then be to have to convex with a conduit (34) that can supply borer (2) to plug, and the heart is to be positioned among the positioning embeded groove (33) on the heart extensions among this conduit (34), the body of rod (35) then is to be stretched by one of location division (30) epitaxial lateral overgrowth to be one and upwards to bend it＜font, and its end is provided with a grip part (36) that is available for users to gripping, so just, positioning embeded groove can be embedded on the vertebra foot of thoracic vertebra, and make the conduit can be quick, accurately borer is directed on the boring location, and also can be by positioning embeded groove, short slot is established the card of spinal column vertebra foot and vertebral arch and is produced skew when avoiding holing.
See also Fig. 5 to shown in Figure 8, when the vertebra foot (12) that is embedded at body of thoracic vertebre (10) when the positioning embeded groove (33) with this utility model location division (30) is gone up, then just can limit the unlikely generation left and right displacement in this location division (30), and short slot (31) embedding simultaneously is when pulling bottom in thoracic vertebra (1) vertebral arch (11), then also can limit unlikely the sliding up and down in this location division (30), and in the time of also can making its vertebra foot (12) that relies on thoracic vertebra (1) by positioning embeded groove (33) inboard is circular-arc effect again, but homing guidance and find out the center of vertebra foot (12), and make on its centrage that is positioned at positioning embeded groove (33) automatically, therefore the relative conduit (34) of being located at front side, location division (30) just can place position directly over vertebra foot (12) center of vertebral arch (11), when so holing when borer (2) being inserted in the conduit, make to be drilled with out one and to fall within directly over the vertebra foot (12) and the correct locating hole of angle, to make things convenient for steel nail (4) unlikely generation deviation when spiral shell is established.
Owing to the utlity model has the special construction design, on implementing, use has as the purgation advantage:
One, polarization is good: owing to this utility model mainly is can be circular-arc effect and make its vertebra foot (12) that relies on thoracic vertebra (1) by positioning embeded groove (33) inboard the time, but homing guidance and find out the center of vertebra foot (12), and make on its centrage that is positioned at positioning embeded groove (33) automatically, and the relative conduit (34) of being located at front side, location division (30) is located at again among the positioning embeded groove (33) on the heart extensions, so can find the anchor point of the best fast, moreover, the positioning embeded groove (33) of its location division (30) is can be embedded on the vertebra foot (12) of body of thoracic vertebre (10), to limit the unlikely generation left and right displacement in this location division (30), simultaneously short slot (31) but also embedding pull in the bottom of thoracic vertebra (1) vertebral arch (11), and limit unlikely the sliding up and down in this location division (30), so be can be, and make it reach a preferable locating effect for plant borer (2) with to thoracic vertebra (1) boring.
Two, implementation and operation is simply quick: because of this utility model mainly is to find heart tram among the vertebra foot (12) by the positioning embeded groove (33) of location division (30) fast, and and can make usefulness by the positioning embeded groove (33) of location division (30) and the embedding of short slot (31), and make it reach effective locating effect, so its borer (2) just can be guaranteed its locating hole that is drilled with when being drilled be to be positioned at all accurately directly over vertebra foot (12) center of thoracic vertebra (1), and steel nail (4) just can be positioned among this vertebra foot (12) and the unlikely damage that causes other when being screwed into, therefore just can significantly reduce the irradiation of X-ray and check number of times, so so not only can reduce injury to human body, and its also pot life significantly reduce and the danger of relative reduction patient when performing the operation.
Claims (1)
1, a kind of rear side thoracic vertebra boring localizer, it is characterized in that its structure mainly is to comprise a location division, one body of rod and a grip part, wherein the location division is that its below is provided with opening short slot forward so that a locating piece that protrudes out is forward formed on its bottom, and end then is and is concaved with an inboard and is circular-arc positioning embeded groove before this locating piece, side then is to convex with a conduit before this location division in addition, and the heart is to be positioned among the positioning embeded groove on the heart extension line among this conduit, the body of rod then is to be stretched by one of location division epitaxial lateral overgrowth to be one and upwards to bend its＜shape, and its end is provided with a grip part that is available for users to gripping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248265 CN2577773Y (en) | 2002-09-26 | 2002-09-26 | Posterior thoracic vertebra drill positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248265 CN2577773Y (en) | 2002-09-26 | 2002-09-26 | Posterior thoracic vertebra drill positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2577773Y true CN2577773Y (en) | 2003-10-08 |
Family
ID=33718933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02248265 Expired - Fee Related CN2577773Y (en) | 2002-09-26 | 2002-09-26 | Posterior thoracic vertebra drill positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2577773Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151171A (en) * | 2011-03-15 | 2011-08-17 | 平阴县人民医院 | Broken-nail extractor for orthopedics and using method thereof |
| CN103561665A (en) * | 2011-04-08 | 2014-02-05 | 比萨大学 | Drilling mask for implanting a transpedicular screw |
| CN109907812A (en) * | 2019-04-22 | 2019-06-21 | 赵刘军 | A kind of 3D printing anterior cervical vertebrae pedicle screw guiding die plate |
-
2002
- 2002-09-26 CN CN 02248265 patent/CN2577773Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151171A (en) * | 2011-03-15 | 2011-08-17 | 平阴县人民医院 | Broken-nail extractor for orthopedics and using method thereof |
| CN102151171B (en) * | 2011-03-15 | 2012-09-26 | 平阴县人民医院 | Broken-nail extractor for orthopedics and using method thereof |
| CN103561665A (en) * | 2011-04-08 | 2014-02-05 | 比萨大学 | Drilling mask for implanting a transpedicular screw |
| CN103561665B (en) * | 2011-04-08 | 2016-08-17 | 比萨大学 | For implanting the boring cover of pedicle screw |
| CN109907812A (en) * | 2019-04-22 | 2019-06-21 | 赵刘军 | A kind of 3D printing anterior cervical vertebrae pedicle screw guiding die plate |
| CN109907812B (en) * | 2019-04-22 | 2024-07-23 | 赵刘军 | 3D prints anterior way pedicle of vertebral arch screw direction template |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |