CN2655822Y

CN2655822Y - Intervertebral disc puncture three dimensional locating instrument

Info

Publication number: CN2655822Y
Application number: CNU032538316U
Authority: CN
Inventors: 赵景才; 陈长力; 刘恒海; 唐绍奇; 马刚
Original assignee: 赵景才
Priority date: 2003-09-29
Filing date: 2003-09-29
Publication date: 2004-11-17
Anticipated expiration: 2013-09-29

Abstract

The utility model relates to an intervertebral disk skin crossing piercing three-dimensional positioning device, comprising a chassis (1), a sliding jacket (2), a cross bar (3), a cross bar locking nut (4), a guide jacket supporting seat (5), a guide jacket supporting seat locking nail (5), a rotary guide jacket (7) and the like, wherein the cross bar (3) is equipped on the chassis (1) through the sliding jacket (2) on two ends, the cross bar (3) can move front and back or rotate on the cross bar (3), and is locked on the demanded position by the locking nut (4). The guide jacket supporting seat (5) can slide left and right on the cross bar (3) and rotate with the cross bar (3), the guide jacket (7) can rotate on the guide jacket supporting seat (5), thereby realizing the three-dimensional adjustment. The adoption of the utility model can fix the intervertebral disk piercing path on the three-dimensional aspect simply and directly, which increases the piercing successful rate, saves operation time and protects the body health of operators and patients. Thereby the utility model is an intervertebral disk skin crossing piercing three-dimensional positioning device with simple structure which is convenient for operation and has the spreading value.

Description

Intervertebral disc percutaneous puncture three-dimensional orientation instrument

One, affiliated technical field

This utility model relates to a kind of three-dimensional orientation device that instructs neck, lumbar intervertebral disc percutaneous puncture.Specifically a kind of intervertebral disc percutaneous puncture three-dimensional orientation instrument.

Two, background technology

The minimally-invasive treatment of neck, prolapse of lumbar intervertebral disc is applied to clinical gradually, and its key is exactly an intervertebral disc percutaneous puncture technology.At present, the intervertebral disc percutaneous puncture all is to carry out under X line perspective or CT guiding, because the dissection at human development's variation and some position is special, or operator's technology and experience problem, regular meeting causes following several situation: 1. the direction grasp is bad in the piercing process, significant points such as easy damaged blood vessel, nerve, spinal cord; 2. the site of puncture is inaccurate, and therapeutic effect is undesirable; 3. point of puncture and puncture path are selected improper site of puncture, the operative failure of at all not reaching; 4. the puncture time long, X ray works the mischief or the like for operator and patient's health.More than all multifactor puncture success rate and therapeutic effect of all having had a strong impact on, cause great misery to patient, limited carrying out of neck, lumbar disc disease minimally-invasive treatment.

Three, summary of the invention

The purpose of this utility model provides a kind of simple in structure, easy to operate, improve intervertebral disc percutaneous puncture success rate and safety, reduce complication, improve puncture speed, reduce the intervertebral disc percutaneous puncture three-dimensional orientation instrument of patient's misery and operator's physical impairment to greatest extent.

The technical scheme that this utility model is taked is: it is made up of base, sliding sleeve, crossbeam, crossbeam locking nut, guide pin bushing bearing, guide pin bushing bearing lock-screw, rotatable guide pin bushing, guide pin bushing lock-screw.Crossbeam is installed on the base by the sliding sleeve at two ends, the scale of base and arranged on left and right sides upper inside wall and the horizontal scale on the sliding sleeve are formed slide gauge, crossbeam can move, rotate on sliding sleeve before and after on the base, the scale at circular dial scale on the sliding sleeve and crossbeam two ends is formed diagraph, be equipped with on the crossbeam can left and right slip the guide pin bushing bearing, the guide pin bushing bearing is locked on the crossbeam by guide pin bushing bearing lock-screw, and the guide pin bushing that is contained on the guide pin bushing bearing can rotate on the guide pin bushing bearing and be locked by the guide pin bushing lock-screw.Crossbeam can move on base or rotate by sliding sleeve, according to rule on the base medial wall and the graduated disc on the sliding sleeve, can determine the front and back position and the anglec of rotation of crossbeam.Can insert puncture needle or apparatus in the guide pin bushing on the guide pin bushing bearing on the crossbeam, fix by self-locking device.The guide pin bushing bearing both can rotate with crossbeam, again can be on crossbeam move left and right, with the position of determining guide pin bushing and the angle on the frontal plane, guide pin bushing also can rotate on the guide pin bushing bearing, to determine the guide pin bushing angle.According to various parameters measured on the CT sheet before the art, promptly on 3-D view, simulate the puncture approach, determine the puncture direction, and measure desired data.By moving with swing bolster, moving and rotation guide pin bushing bearing, make guide pin bushing reach ideal three-dimensional puncture position, realize determining puncture path the one-time puncture success from three-dimensional perspective.

Adopt this utility model to determine the intervertebral disc puncture path at three-dimensional perspective simply and intuitively, improved puncture success rate, reduced postoperative complication, saved operating time, protection operator and patient's is healthy.Therefore, this utility model be a kind of simple in structure, be convenient to the operation, but the intervertebral disc percutaneous puncture three-dimensional orientation instrument with promotional value.

Four, description of drawings

Fig. 1 is this utility model structural representation;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the left view of Fig. 1;

Fig. 4 is the A-A cutaway view of Fig. 1;

Fig. 5 is the B-B cutaway view of Fig. 1.

Five, specific implementation method

As Fig. 1～shown in Figure 5, this utility model is by base 1, sliding sleeve 2, crossbeam 3, crossbeam locking nut 4, guide pin bushing bearing 5, guide pin bushing bearing lock-screw 6, rotatable guide pin bushing 7, guide pin bushing lock-screw 8 is formed, crossbeam 3 is installed on the base 1 by the sliding sleeve 2 at two ends, base 1 left side, the scale and the horizontal scale on the sliding sleeve 2 of right both sides upper inside wall are formed slide gauge, be used for the location that crossbeam 3 moves forward and backward, the scale at circular dial scale on the sliding sleeve 2 and crossbeam 3 two ends is formed diagraph, be used for the location of crossbeam 3 rotational angles, crossbeam locking nut 4 is used for locking crossbeam 3 behind front and back of adjusting crossbeam 3 and rotational angle.Be equipped with on the crossbeam 3 can left and right slip guide pin bushing bearing 5, the rule on the crossbeam 3 be used for guide pin bushing bearing 5 about the location.Guide pin bushing bearing 5 is locked on the crossbeam 3 by guide pin bushing bearing lock-screw 6, and the guide pin bushing 7 that is contained on the guide pin bushing bearing 5 can rotate on guide pin bushing bearing 5 and be locked by guide pin bushing lock-screw 8.With the lumbar intervertebral disc puncture is example.Patient is prostrate on the CT examination bed, back posterior midline and a certain horizontal markings are determined in prelocalization according to art, position finder is placed on the horizontal markings, adjust the position of base 1, " 0 " scale on the sliding sleeve 2 is alignd with " 0 " scale on the base 1, " 0 " scale on the crossbeam 3 is on the posterior midline of back, crossbeam 3 swings transfer to " 0 " scale of sliding sleeve 2 graduated discs, crossbeam 3 upper guide bush bearings 5 transfer to " 0 " scale on the crossbeam 3, and guide pin bushing 7 transfers to " 0 " scale and regulates corresponding locking nut or screw is fixed it.Carry out the lumbar vertebra CT scan to patient, on 3-D view, simulate the puncture approach, determine point of puncture and the puncture direction, measure desired data after, by crossbeam 3 in moving forward and backward on the base 1, rotation on sliding sleeve 2, the move left and right of guide pin bushing bearing 5 on crossbeam 3, and the rotation of guide pin bushing 7 make guide pin bushing 7 reach ideal puncture position, to puncture in puncture needle or the apparatus insertion guide pin bushing 7, can directly arrive the intervertebral disc center, puncture successfully after, position finder can be removed.

Guide pin bushing bearing 5 of the present utility model also can be fixed other guide pin bushings of multiple different model.Therefore, this position finder can be applicable to multiple intervertebral disc minimally-invasive treatment scheme and has simple in structure, convenience operation.

Claims

A kind of intervertebral disc percutaneous puncture three-dimensional orientation instrument, it is characterized in that: it is by base (1), sliding sleeve (2), crossbeam (3), crossbeam locking nut (4), guide pin bushing bearing (5), guide pin bushing bearing lock-screw (6), rotatable guide pin bushing (7), guide pin bushing lock-screw (8) is formed, crossbeam (3) is installed on the base (1) by the sliding sleeve (2) at two ends, base (a 1) left side, the scale and the horizontal scale on the sliding sleeve (2) of right both sides upper inside wall are formed slide gauge, crossbeam (3) can move before and after base (1) is gone up, go up rotation at sliding sleeve (2), the scale at circular dial scale on the sliding sleeve (2) and crossbeam (3) two ends is formed diagraph, being equipped with on the crossbeam (3) can be left, the right guide pin bushing bearing (5) that slides, guide pin bushing bearing (5) is locked on the crossbeam (3) by guide pin bushing bearing lock-screw (6), and the guide pin bushing (7) that is contained on the guide pin bushing bearing (5) can be gone up rotation at guide pin bushing bearing (5), and lock by guide pin bushing lock-screw (8).