CN208339562U - Mortar hair style osteotomy center of circle line locator - Google Patents

Abstract

The utility model provides a kind of medical instrument component of osteotomy method application.That is mortar hair style osteotomy center of circle line locator is matched with mortar hair style osteotomy tool device.Applied to Osteological, it is particularly suitable for metaphysis osteotomy orthomorphia.It includes sleeve, and sleeve is connect with connecting rod, and two connecting rods are connected intermediate by posting, and positioning on fixed frame has fixed knob.This tool makes full use of bikini positioning mode, as center of circle line, to derive other two fixed point at Kirschner wire positioning, after osteotomy, former center of circle line is released surely by two fixing lines, to carry out next step operation.Connecting rod is arc, and everything connects between sleeve and connecting rod, and fixed frame is also adjustable fixation, because of surgical exposure limitation, makes to facilitate in the visual area of relative narrowness and is operated, more flexible can also be fixed at any exposure bone face in osteotomy distal end.It can more play the role of that far point is supported to position universal device when next step operates, flexibly accomplish multi-use.

Description

Mortar hair style osteotomy center of circle line locator

Technical field

The utility model provides a kind of medical instrument component of osteotomy method application.I.e. mortar hair style osteotomy center of circle line positions Device is matched with mortar hair style osteotomy tool device.Applied to Osteological, it is particularly suitable for metaphysis osteotomy orthomorphia.

Background technique

In existing traditional technology, wedge osteotomy is limited to for the malformation correction of bone, sacrifices suffering limb length, corrects the line of force, Such as merge rotation deformity, osteotomy angle measurement is difficult in art.Existing device is difficult or cannot not shorten correction rotation deformity, such as Angular deviation in the course of surgery is then difficult to correct, or even cannot reach and correct line of force purpose, leads to operative failure.

Utility model content

The purpose of this utility model be in view of the above deficiencies and provide a kind of mortar hair style osteotomy center of circle line locator.Using The tool may be implemented for osteotomy surface to be made into mortar-head pairing, according to dot to circumferential distance principle, can accomplish not contract Manomelia body length, and axial direction and rotation deformity can be corrected simultaneously, simplify surgical technic, flexibly corrects angular deviation in art.

The technical solution of the utility model is: mortar hair style osteotomy center of circle line locator, it is characterised in that including sleeve, Sleeve is connect with connecting rod (everything), and two connecting rods are connected intermediate by posting, and positioning on fixed frame has fixed knob.

Mortar hair style osteotomy tool device, including a tool box include cambered surface scroll saw, centralized positioning angle in tool box Device, center of circle line locator, dot position universal device, mortar surface forming device.

Outermost is to most inner side line distance at preoperative X-ray measurement deformity.At routine operation exposure deformity, in proximal end or Centralized positioning protractor is applied at the opposite normal bone tissues in distal end, line of force ruler direction is adjusted by line of force direction, with pre-operative measurements For radius, arc surface passes through lopsided outermost or most inner side and line of force point of intersection is the center of circle.The positioning of centre point Kirschner wire.Place circle Heart line locator, (proximal end is placed on centre point Kirschner wire and is close to bone face, adjusts the angle, so that distal end portion sleeve is affixed on osteotomy surface remote Any position is held, center of circle locator is locked.Two pieces of center of circle line locators are placed altogether.) Kirschner wire pass through center of circle line locator Distal end sleeve pulls out Kirschner wire after being fixed temporarily, retain kirschner pin hole, keep under original angle case, and the whole center of circle line that removes is determined Position device.It is positioned in the center of circle and cambered surface scroll saw is installed at Kirschner wire, in the case of the soft tissue that adequately protects, Curved osteotomy.Retain in distal end It is inserted into Kirschner wire by former direction at kirschner pin hole, after placing center of circle line locator, rotates two center of circle line locator proximal hubs After same direction, installation dot positions universal device and mortar surface forming device, and mortar surface forming device fixed point is made to be butted on bone socket face minimum point, Rotation skiving osteotomy of distal face is spherical-concave-surface, after removing single unit system.It looks at straight or has an X-rayed in art, reaffirm line of force direction to complete Beauty, fixed bone stump.It modifies around section.

The utility model has the advantages that: this tool makes full use of bikini positioning mode, using at Kirschner wire positioning as center of circle line, It derives other two fixed point, after osteotomy, former center of circle line is released surely by two fixing lines, to carry out next step operation.Even Extension bar is arc, and everything connects between sleeve and connecting rod, and fixed frame is also that adjustable fixation makes because of surgical exposure limitation Facilitate in the visual area of relative narrowness and operated, more flexible can also be fixed at any exposure bone face in osteotomy distal end.It more can be in Play the role of that far point is supported to position universal device when operating in next step, flexibly accomplishes multi-use.

Detailed description of the invention

Fig. 1 is mortar hair style osteotomy tool device.

Fig. 2 is cambered surface scroll saw structure diagram.

Fig. 3 is centralized positioning protractor.

Fig. 4 is Fig. 3 top plan view schematic diagram.

Fig. 5 is the utility model structure diagram.

Fig. 6 dot positions universal device structure diagram.

Fig. 7 is mortar surface forming device structure diagram.

Fig. 8 is Fig. 5 use state structure diagram.

Specific embodiment

Referring to Fig. 5, the mortar hair style osteotomy center of circle 40 parts titles of line locator are as follows: sleeve 22, connecting rod 23, positioning rotation Button 24, posting 25.

Referring to Fig. 5, mortar hair style osteotomy center of circle line locator 40 includes sleeve 22, and sleeve 22 is connect with connecting rod 23, and two Connecting rod 23 is connected in centre by posting 25, there is positioning knob 24,23 length bilateral of adjustable connecting rod on posting 25 There is universal adjustment at sleeve 22 and connecting rod 23, it can be with rotational angle, to adapt to requirement.Whole device can be multiple groups It closes and uses.Sleeve 22 is inserted in Kirschner wire, dot is positioned to position on universal device 41 and be used.

Referring to Fig. 8, after placing center of circle line locator 40, two pieces can determine direction.Because determining that the osteotomy center of circle is tired after osteotomy Difficulty, so, using three-point fix, 4 fixations.It is placed on admittedly before osteotomy with two center of circle line locators (totally four pieces) proximal end Determine Kirschner wire, adjustment direction is distally against after bone face Kirschner wire is fixed temporarily, and extraction is fixed temporarily Kirschner wire, retains needle track.Peace Put cambered surface scroll saw, osteotomy.After osteotomy, it is fixed temporarily insertion Kirschner wire at Kirschner wire screw way in osteotomy distal end, places circle by former method Heart line fixator, and be inserted in dot and position universal device (see figure 6) at this point, the universal device of original point position is located at original position Kirschner wire side To in addition another side is inserted in；Two fixators form four-point supporting, fixation.

Referring to Fig. 1, mortar hair style osteotomy tool device, including a tool box 37, include in tool box 37 cambered surface scroll saw 38, Centralized positioning protractor 39, center of circle line locator 40, dot position universal device 41, mortar surface forming device 42.Each tool combines in work Have in case 37.

Referring to fig. 2, cambered surface scroll saw 38.Its parts title is as follows: motor 1, first gear 2, second gear 3, bevel gear Pair 4, cam 5, adjustable telescopic drive rod 6, scroll saw 8, motor button 9, frame 10, fixes sleeve 11, axis 12, connecting rod 13 are sliding Set 14.

It is center orientation angle device 39 referring to Fig. 3,4.Parts title is as follows: fixed body 15, gear 16, fixed jaw 17, Central axis 18, ruler 19, kirschner pin hole 20, bevel protractor 21, by osteotomy head 43.

Referring to Fig. 6, parts title is as follows: frame 26, crossbeam 27, sliding sleeve 28, locking pin 29, hole 30, body 31, Positioning pin 32.

Referring to Fig. 7, parts title is as follows: spherical mounted point 34, the body of rod 35, handle 36.

It uses step: at routine operation exposure deformity, applying center at the opposite normal bone tissues in lopsided proximal end or distal end Orientation angle device 39, by line of force direction adjust line of force ruler direction, with pre-operative measurements (deformity at most inner side to outermost line away from From for radius, arc surface determines the center of circle by lopsided outermost or most inner side and bone center line intersection point, and centre point Kirschner wire is fixed Position.) Kirschner wire pierced by the hole on centralized positioning bevel protractor 39, there is certain thickness in hole on bevel protractor, therefore Kirschner wire can be made to hang down Directly in selected element bone face.Through practicing, it is that radius is the most reasonable with most inner side at deformity to outermost distance, both can guarantee osteotomy Afterwards, the contact area of bone maximizes, and is conducive to knitting, and osteotomy end can be made to be unlikely to sharp to lead to osteomiosis.Place the center of circle For line locator 40 in osteotomy surface distal end, center of circle line locator 40 is universal design, therefore can flexibly be placed in appointing for synthetism face distal end What position is alternatively arranged as support after osteotomy and uses to adapt to the needs in the narrow bone face of exposure in operation.Distal end sleeve is wanted when placement Bone face is pasted, is all locked after placement, places two altogether, Kirschner wire retains kirschner pin hole after being fixed temporarily by distal end sleeve, pulls out Except Kirschner wire.Maintain the lock status lower dismounting center of circle line locator 40.Cambered surface scroll saw 38 is installed at center of circle positioning Kirschner wire, is filled Code insurance protects in the case of soft tissue, Curved osteotomy.Retain at kirschner pin hole in distal end again insertable into Kirschner wire after osteotomy, places the center of circle Line locator 40, insertion dot positions universal device 41 when two proximal hubs are overlapped.According to three-point fix principle, dot positioning Universal device 41 is now placed on the line of the osteotomy cambered surface center of circle.Dot positions two center of circle line locators of universal device 41 other one installations 40, distal end sleeve can play secured supporting role with Kirschner wire fixation in any position of distal end exposed bone.

It is described above, only specific embodiment of the present utility model, various illustrations are not to the reality of the utility model The limitation of matter Composition of contents.

Claims (1)

1. mortar hair style osteotomy center of circle line locator, it is characterised in that including sleeve (22), sleeve (22) is connect with connecting rod (23), Two connecting rods (23) are connected in centre by posting (25), have positioning knob (24) on posting (25).