CN101637391A - Axial projection positioning device of Kirschner needle - Google Patents
Axial projection positioning device of Kirschner needle Download PDFInfo
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- CN101637391A CN101637391A CN200910075188A CN200910075188A CN101637391A CN 101637391 A CN101637391 A CN 101637391A CN 200910075188 A CN200910075188 A CN 200910075188A CN 200910075188 A CN200910075188 A CN 200910075188A CN 101637391 A CN101637391 A CN 101637391A
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- guide rail
- positioning device
- pipe guide
- arm
- parallel
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Abstract
The invention relates to an axial projection positioning device of a Kirschner needle, belonging to the technical field of medical instrument and being used for solving the injection problem of the Kirschner needle. The technical scheme is as follows: the axial projection positioning device comprises an installing seat, a round pipe guide rail and a right-angle support frame; the installing seat is fixedly connected with a C-shaped arm of a C arm fluoroscopic machine; the round pipe guide rail is fixed on the installing seat and is parallel to the axial line of a ball pipe; the right-angle support frame has two straight arms which are vertical mutually; one straight arm passes through the round pipe guide rail from bottom to top, and the end part is connected with the installing seat by areset spring; the other straight arm is provided with a sliding groove parallel to the axial line; a driving electric drill of the Kirschner needle is connected with the right-angle support frame by the sliding groove in a sliding manner; and the axial line of the electric drill is parallel to the axial line of the ball pipe. The axial projection positioning device can greatly shorten the time ofpositioning operation of the Kirschner needle in the operation process, not only improve working efficiency of operation, but also reduce the exposed time of the patient and the operator in X ray andreduce the hazard of the X ray to health.
Description
Technical field
The present invention relates to a kind of person that can make the operation technique and finish the axially localized device of projection of Kirschner wire quickly and accurately, belong to the medical devices technical field.
Background technology
When doing surgical operation, usually need Kirschner wire accurately be squeezed into skeleton by the support of iconography, in this process, the location of Kirschner wire is very crucial.Traditional positioning action is very loaded down with trivial details, as treat sacroiliac joint when damage, pelvis is thrown the axle position that can get sacrum 1 pedicle of vertebral arch according to the position, the operation technique person at first adjusts the orientation of C arm fluoroscopic machine, make the bulb axis parallel with the axis of sacrum 1 pedicle of vertebral arch, this moment, the S1 pedicle of vertebral arch formed oval image sign, fixing bulb then, the Kirschner wire head is placed this sign central authorities, adjust the angle of Kirschner wire repeatedly, parallel fully until Kirschner wire with X line projecting direction (being the bulb axis direction), obtain the point-like shadow of a Kirschner wire, squeeze into Kirschner wire with this angle again.The process need of adjusting the Kirschner wire angle is through repeatedly perspective, causes patient and patient open-assembly time in the X line longer, and this has not only reduced operation efficient, and the X line also can the serious harm patient and patient's health.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and can make the operation technique person finishes the localized axial projection positioning device of Kirschner needle of Kirschner wire quickly and accurately.
The alleged problem of the present invention realizes with following technical proposals:
A kind of axial projection positioning device of Kirschner needle, constitute by mount pad, pipe guide rail and right angle carriage, described mount pad is fixedlyed connected with the C type arm of C arm fluoroscopic machine, described pipe guide rail is fixed on the mount pad and is parallel with the bulb axis, described right angle carriage has two orthogonal straight-arms, after a straight-arm passes from the pipe guide rail from bottom to top, the end is connected with mount pad through back-moving spring, have the chute that parallels to the axis on another straight-arm, the driving electric drill of Kirschner wire is slidingly connected by this chute and right angle carriage, and the electric drill axis is parallel with the bulb axis.
Above-mentioned axial projection positioning device of Kirschner needle is provided with the carriage locking device on described pipe guide wall.
The present invention utilizes pipe guide rail and right angle carriage that Kirschner wire and the bulb that drives electric drill and C arm fluoroscopic machine thereof are movably connected, not only can make Kirschner wire and drive the electric drill top to bottom, left and right, front and rear and move freely, and can guarantee in moving process, the axis of Kirschner wire and driving electric drill thereof is parallel with the bulb axis all the time, thereby has simplified the positioning action of Kirschner wire.The carriage locking device is used for when idle fixedly right angle carriage, prevents right angle carriage swing, influences normally carrying out of other operation.The present invention can shorten the positioning action time of Kirschner wire in the operation process greatly, has not only improved surgical work efficient, and has reduced patient and the open-assembly time of patient in the X line, has reduced X line healthhazard.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is a scheme of installation of the present invention;
Fig. 2 is a structural representation of the present invention.
Each label is among the figure: 1, bulb, 2, Kirschner wire, 3, mount pad, 4, back-moving spring, 5, the right angle carriage, 6, the pipe guide rail, 7, electric drill, 8, screw, 9, the carriage locking device, 10, C arm fluoroscopic machine, 11, chute.
The specific embodiment
Referring to Fig. 1, Fig. 2, mount pad 3 is fixedlyed connected with the C type arm of C arm fluoroscopic machine 10, and pipe guide rail 6 is fixed on the detachable mount pad 3 and is parallel with bulb 1 axis.The hold-down screw of electric drill 7 is in the chute 11, and electric drill 7 can slide along chute 11, in sliding process, and the axis keeping parallelism of its axis and pipe guide rail 6.When right angle carriage 5 slides up and down and when the axis of pipe guide rail 6 rotated, it is parallel with the axis of pipe guide rail 6 that the axis of Kirschner wire 2 and electric drill 7 keeps along pipe guide rail 6.Because pipe guide rail 6 is parallel with the axis of bulb 1, thereby in the various motor processs of Kirschner wire 2 and electric drill 7, its axis can remain parallel with the bulb axis, promptly as long as Kirschner wire enters the bulb projection visual field, just projection is a point.
This installs when on the shelf, and is detachable or the right angle carriage gone to bulb next door correct position, screws carriage locking device 9 then, and carriage is fixed.The carriage locking device of present embodiment is a lock-screw.
During the damage of treatment sacroiliac joint, the patient gets the ventricumbent position, X line inboard throwing before the lateral after the human body horizontal plane is by specimen according to sacroiliac joint, the angle of throwing according to direction and human body coronalplane is about 30 °, make the S1 pedicle of vertebral arch form oval image sign, squeeze into a little according to this sign definite Kirschner wire on specimen, fixing bulb 1 then manually or start the accurate dress system of control automatically axial rotation right angle carriage 5, makes Kirschner wire enter the bulb visual field, mobile electric drill 7, Kirschner wire head aligning is squeezed into a little, and manual once more or startup control standard is automatically adorned to make right angle carriage 5 is axially moved down, and presses close to patient skin, start electric drill 7, Kirschner wire is squeezed into.
In order to make the patient can in operating process, understand the location situation of Kirschner wire, the material manufacture that the bottom straight-arm of electric drill 7 and right angle carriage 5 can penetrate with the X line.
Claims (2)
1, a kind of axial projection positioning device of Kirschner needle, it is characterized in that, it is by mount pad (3), pipe guide rail (6) and right angle carriage (5) constitute, described mount pad (3) is fixedlyed connected with the C type arm of C arm fluoroscopic machine (10), it is last and parallel with bulb (1) axis that described pipe guide rail (6) is fixed in mount pad (3), described right angle carriage (5) has two orthogonal straight-arms, after a straight-arm passes from pipe guide rail (6) from bottom to top, the end is connected with mount pad (3) through back-moving spring (4), have the chute (11) that parallels to the axis on another straight-arm, the driving electric drill (7) of Kirschner wire (2) is slidingly connected by this chute and right angle carriage (5), and electric drill (7) axis is parallel with bulb (1) axis.
2, according to the described axial projection positioning device of Kirschner needle of claim 1, it is characterized in that, on described pipe guide rail (6) wall, carriage locking device (9) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100751885A CN101637391B (en) | 2009-08-19 | 2009-08-19 | Axial projection positioning device of Kirschner needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100751885A CN101637391B (en) | 2009-08-19 | 2009-08-19 | Axial projection positioning device of Kirschner needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101637391A true CN101637391A (en) | 2010-02-03 |
| CN101637391B CN101637391B (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100751885A Expired - Fee Related CN101637391B (en) | 2009-08-19 | 2009-08-19 | Axial projection positioning device of Kirschner needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101637391B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334520A (en) * | 2017-08-11 | 2017-11-10 | 洪昆 | Needle control is punctured under a kind of C-arm |
| CN108553255A (en) * | 2018-03-27 | 2018-09-21 | 冯世庆 | A kind of skeletal traction auxiliary device |
-
2009
- 2009-08-19 CN CN2009100751885A patent/CN101637391B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334520A (en) * | 2017-08-11 | 2017-11-10 | 洪昆 | Needle control is punctured under a kind of C-arm |
| CN108553255A (en) * | 2018-03-27 | 2018-09-21 | 冯世庆 | A kind of skeletal traction auxiliary device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101637391B (en) | 2011-01-19 |
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Granted publication date: 20110119 Termination date: 20110819 |