CN208274596U - Mortar hair style osteotomy centralized positioning protractor - Google Patents

Abstract

The utility model provides a kind of medical instrument component of osteotomy method application.That is mortar hair style osteotomy centralized positioning protractor is matched with mortar hair style osteotomy tool device.Applied to Osteological, it is particularly suitable for metaphysis osteotomy orthomorphia.It includes fixed body, has a pair of engaged gears below fixed body, each gear extension has fixed jaw, there is central axis in fixed body upper surface, rotatable ruler is had on central axis, ruler is separated with the kirschner pin hole of insertion Kirschner wire, is cased with bevel protractor on the central axis below ruler between along its length.Can be in lopsided bone any two ends with respect to the opposite central point for being positioned at bone at normal bone tissues, the insertion to guarantee Kirschner wire is secured.Rotatable flexible ruler also can guarantee and be operated in the visual area of relative narrowness convenient for measurement line of force direction.Bevel protractor can measure again the line of force and misalignment angle in art.Ruler has certain thickness, therefore can guarantee that the insertion of Kirschner wire is vertical with bone face, avoids Kirschner wire deflection.

Description

Mortar hair style osteotomy centralized positioning protractor

Technical field

The utility model provides a kind of medical instrument component of osteotomy method application.That is mortar hair style osteotomy centralized positioning angle Device is spent, is matched with mortar hair style osteotomy tool device.Applied to Osteological, it is particularly suitable for metaphysis osteotomy hand orthosis Art.

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 centralized positioning protractor.It answers It may be implemented for osteotomy surface to be made into mortar-head pairing with the tool, according to dot to circumferential distance principle, can accomplish i.e. not Shorten limbs length, and axial direction and rotation deformity can be corrected simultaneously, simplifies surgical technic, flexibly correct angular deviation in art.

The technical solution of the utility model is: mortar hair style osteotomy centralized positioning protractor includes fixed body, fixed body A pair of engaged gears is had below, and each gear extension has fixed jaw, and there is central axis in fixed body upper surface, and having on central axis can The ruler of rotation, ruler are separated with the kirschner pin hole of insertion Kirschner wire, are cased with angle on the central axis below ruler between along its length Spend ruler.

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: can in lopsided bone any two ends with respect to be positioned at normal bone tissues bone relatively in Heart point, the insertion to guarantee Kirschner wire are secured.Rotatable flexible ruler also can guarantee convenient for measurement line of force direction in relative narrowness Visual area in operated.Bevel protractor can measure again the line of force and misalignment angle in art.Ruler has certain thickness, therefore can protect The insertion for demonstrate,proving Kirschner wire is vertical with bone face, avoids Kirschner wire deflection.

Detailed description of the invention

Fig. 1 is mortar hair style osteotomy tool device structure diagram.

Fig. 2 is cambered surface scroll saw structure diagram.

Fig. 3 is the utility model structure diagram.

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

Fig. 5 is center of circle line locator structure schematic diagram.

Fig. 6 dot positions universal device structure diagram.

Fig. 7 is mortar surface forming device structure diagram.

Fig. 8 is centralized positioning protractor use state structure diagram.

Specific embodiment

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.

It is center orientation angle device 39 referring to Fig. 3,4,8.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. 3,4, the centralized positioning protractor 39 includes fixed body 15, and fixed body 15 has a pair of meshing below Gear 16, each 16 extension of gear have fixed jaw 17, and a pair of of 16 opening and closing of gear realize that fixed jaw 17 clamps diaphysis.Fixed body 15 There is central axis 18 in upper surface, has rotatable ruler 19 on central axis 18, ruler 19 is separated with insertion kirschner between along its length The kirschner pin hole 20 of needle is cased with bevel protractor 21 on the central axis 18 below ruler 19.

Referring to Fig. 8, to place schematic diagram after centralized positioning protractor 39 and Kirschner wire fixation.Centralized positioning protractor 39 It is placed at the opposite normal bone tissues of lopsided proximal bone or distal end, the fixed tightening of double-side-edge fixed jaw 17, it may be determined that bearing Bone midpoint.The fixed ruler 19 of telescopic rotary type is adjusted, fixed ruler 19 has certain thickness, and has kirschner pin hole 20 on ruler 19, Ruler 19 is kept fixed in line of force direction, to pierce fixation Kel's needle by the hole above ruler at pre-operative measurements.

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, Kirschner wire.

Referring to Fig. 5, parts title is as follows: sleeve 22, connecting rod 23, positioning knob 24, posting 25.

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 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 centralized positioning protractor, it is characterised in that including fixed body (15), fixed body (15) has one below To meshing gear (16), each gear (16) extension has fixed jaw (17), and there are central axis (18), center in fixed body (15) upper surface Rotatable ruler (19) are had on axis (18), ruler (19) is separated with the kirschner pin hole (20) of insertion Kirschner wire between along its length Bevel protractor (21) are cased on the central axis (18) of ruler (19) below.