CN208259733U - Mortar hair style osteotomy dot positions universal device - Google Patents

Abstract

The utility model provides a kind of medical instrument component of osteotomy method application.I.e. mortar hair style osteotomy dot positions universal device, matches with mortar hair style osteotomy tool device.Applied to Osteological, it is particularly suitable for metaphysis osteotomy orthomorphia.It includes a frame, the bridging crossbeam of sliding is cased between two opposite side of frame, there is locking pin in sliding sleeve side, frame two sides have inserted link, there is the abrasive drilling cephalostat that can be rotated horizontally among crossbeam, abrasive drilling cephalostat is the body that a middle with hole is rotated around crossbeam, and set body side surface has positioning pin, has scale on two opposite side of frame.Dot positions universal device and is fixed by four center of circle line locators supports, and crusher drill is located in the line of the center of circle, abrasive drilling cephalostat can two directions rotate, dot position between universal device and center of circle line locator can also two directions rotate, therefore after placing crusher drill can everything rotate.Make flexible operation in operation, precisely, and it is easy to operate.

Description

Mortar hair style osteotomy dot positions universal device

Technical field

The utility model provides a kind of medical instrument component of osteotomy method application.That is mortar hair style osteotomy dot positioning ten thousand To device, 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

A kind of mortar hair style osteotomy dot that the purpose of this utility model is in view of the above deficiencies and provides positions universal device.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 neither 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: it includes a frame, frame that mortar hair style osteotomy dot, which positions universal device, It is cased with the bridging crossbeam of sliding between two opposite side, there is a locking pin in sliding sleeve side, and frame two sides have an inserted link, among crossbeam There is the abrasive drilling cephalostat that can be rotated horizontally, abrasive drilling cephalostat is the body that a middle with hole is rotated around crossbeam, covers side Face has positioning pin, has scale on two opposite side of frame.

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: dot positions universal device and is fixed by four center of circle line locator supports, crusher drill position In the line of the center of circle, abrasive drilling cephalostat can two directions rotate, dot positions can also two directions between universal device and center of circle line locator Rotation, therefore can everything rotation after placing crusher drill.Make flexible operation in operation, precisely, and it is easy to operate.

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 centralized positioning protractor.

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

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

Fig. 6 is the utility model structure diagram.

Fig. 7 is mortar surface forming device 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.

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. 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. 6, the dot positions universal device 41, including a frame 26, is cased with cunning between 26 liang of opposite side of frame There are locking pin 29 in dynamic bridging crossbeam 27,28 side of sliding sleeve, have universal abrasive drilling cephalostat, universal abrasive drilling among crossbeam 27 Cephalostat is the body 31 that a middle with hole 30 is rotated around crossbeam, and 31 side of body has positioning pin 32.Dot positioning ten thousand To device for adjusting and fixing intermediate crusher drill (referring to Fig. 7).There is scale on 26 liang of opposite side of frame.After osteotomy, in osteotomy distal end Be fixed temporarily at Kirschner wire screw way insertion Kirschner wire, place center of circle line fixator by former method, and be inserted in dot position universal device (see Fig. 6) at this point, the universal device of original point position is located at original position Kirschner wire direction, in addition another side is inserted in；Two fixators form four Point support, fixation.

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 2 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.

Mortar surface forming device 42 is installed in sleeve 30, it is minimum that the universal device 41 of adjustment dot positioning makes crusher drill 34 be located at bone face Point position (because 34 vertex of crusher drill is smooth surface, therefore minimum point is without skiving), locking.Electric drill skiving, finishing osteotomy of distal face are installed For recessed spheroidal, all after disassembly, pairing bone face, (because osteotomy end has formed mortar-hair style contact, therefore can all directions adjustment) really Line of force direction is recognized to perfection, fixed bone stump.It modifies around section.

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 dot positions universal device, it is characterised in that including a frame (26), between (26) two opposite side of frame It is cased with the bridging crossbeam (27) of sliding, sliding sleeve (28) side has locking pin (29), and frame (26) two sides have inserted link (33), there is abrasive drilling cephalostat among crossbeam (27), abrasive drilling cephalostat is the set that a middle with hole (30) rotates around crossbeam Body (31), body (31) side have positioning pin (32), have scale on (26) two opposite side of frame.