CN102860860B - Longitudinal minimal-invasion bone cutter for tubular bones - Google Patents

Abstract

A longitudinal minimal-invasion bone cutter for tubular bones comprises a bone cutting end bone cutting device and far end positioning devices. The bone cutting end bone cutting device is slidingly sleeved on a positioning adjusting guide rail which is in a long-strip shape, a sliding groove is arranged in the middle of the positioning adjusting guide rail along the length direction, and scales of the positioning adjusting guide rail are arranged along the sliding groove. The far end positioning devices are symmetrically sleeved at two ends of the positioning adjusting guide rail slidingly. By means of the longitudinal minimal-invasion bone cutter, medical workers can perform longitudinal bone cutting operations on the tubular bones according to treatment needs, and the longitudinal minimal-invasion bone cutter is convenient to operate. When the operations are performed, the longitudinal minimal-invasion bone cutter provides convenience for transverse traction of bone blocks and meets needs of angiitis treatment. The bone cutting operations performed by the aid of the longitudinal minimal-invasion bone cutter belong to minimal-invasion operations, do not damage nerves, blood vessels, soft tissues and periostea, have small invasion, facilitate reconstruction and union of bones, and meet needs of longitudinal traction treatment of the tubular bones. By means of the longitudinal minimal-invasion bone cutter, safety and accuracy of the longitudinal bone cutting operations of the tubular bones are improved, medical workers can conveniently perform the operations, and the operation effect is guaranteed.

Description

The longitudinal Wicresoft of tubular bone osteotomy device

Technical field

The present invention relates to a kind of bone surgical operation appliances, particularly a kind of osteotomy device for tubular bone.

Background technology

In the past for the surgery bone-culting operation of tubular bone, use traditional bone surgical operation appliances as rip, goose saw, trepan, reciprocating sow, osteotome, rongeur, amputation knife, osteotome, bone drill etc., modus operandi is open-incision, surgical wound is large, osteotomy place bone is damaged many, easily destroy soft tissue and the periosteum of wound perimeter, cause hematoma to extend wound healing, directly affect postoperative rehabilitation.

There is no at present the osteotomy device for tubular bone osteotomy especially, in the time of bone-culting operation, because tubular bone is relatively long, the corresponding increase of osteotomy size, is difficult to carry out lopsided bone orthomorphia osteotomy for such long bone; Particularly, in the vasculitic operation for the treatment of, be difficult to, by traditional osteotomy, tubular bone is carried out to lateral traction, thereby reach the needs of the sufficient Orthopeadic Surgery orthomorphia of therapeutic effect ， Full with augmenting bone cavity space.Due to tubular bone bone-culting operation complicated operation, be easy to cause large area wound surface, cause very large misery to patient, for its rehabilitation brings many negative effects.

Summary of the invention

The object of this invention is to provide the longitudinal Wicresoft of a kind of tubular bone osteotomy device, solve existing osteotomy device can not carry out longitudinal bone-culting operation and art bone be carried out to the technical problem of lateral traction for tubular bone; And solve because art bone size is long, easily cause wound perimeter tissue injury of osteotomy place and wound surface large, osteotomy device operation inconvenience and the problem that can not carry out to tubular bone rectangle, Z-shaped and S shape bone-culting operation.

For achieving the above object, the present invention adopts following technical scheme: the longitudinal Wicresoft of a kind of tubular bone osteotomy device, comprise osteotomy end osteotomy device and far-end positioner, described osteotomy end osteotomy device is slidably socketed a location and adjusts guide rail, it is strip that guide rail is adjusted in described location, middle along long to having a chute, adjust guide rail graduated scale along chute with location; Described location is adjusted the symmetrical slip cap in guide rail two ends and is connected to far-end positioner.

Described osteotomy end osteotomy device comprises osteotomy drill bit and driving mechanism thereof, described osteotomy drill bit and main positioning needle are arranged side by side, and insert in sleeve pipe down side by side at tip, described sleeve pipe vertically and show two ducts of osteotomy bit bore and main positioning needle perforation, described osteotomy drill bit inserts in the duct of osteotomy bit bore and top is connected with drive motors, and described main positioning needle is inserted in the duct that main positioning needle bores a hole and top is connected with main positioning needle handle.

The top of described sleeve pipe is connected with a sleeve pipe rotary handle, the middle part of described sleeve pipe is socketed with a set of pipe clip, described cover pipe clip is rounded, upper surface is with angle adjustment graduated disc, described cover pipe clip longitudinally has one for inserting the cased perforated of sleeve pipe, described cover pipe clip is fixedly connected with screw through pad, chuck by the female thread of its lower surface, described chuck upper surface is adjusted guide rail lower surface with location and is offseted and press, and the high spot of described chuck upper surface matches with the chute that guide rail is adjusted in location.

Described far-end positioner comprises auxiliary positioning needle, screw fastening needle shaft, the perforation of auxiliary positioning needle and is positioned at a pair of nut of screw fastening needle shaft upper/lower terminal, described screw fastening needle shaft center is a nut being threaded connection with screw rod, described nut is step-like, the thin step place of described nut matches with the chute that location is adjusted on guide rail, described auxiliary positioning needle is through the auxiliary positioning needle perforation of screw fastening needle shaft, screw fastening needle shaft is passed down through location and adjusts the chute on guide rail, and upper/lower terminal is fixedly connected with by a pair of nut.

The diameter of described osteotomy drill bit is 1.0～4.0mm.

The aperture of described osteotomy bit bore, the perforation of main positioning needle is identical, and aperture is 1.1～4.1mm.

The diameter of described main positioning needle is 1.0～4.0mm, and the diameter of described a pair of auxiliary positioning needle is 1.0～4.0mm.

The length that guide rail graduated scale is adjusted in described location is 100mm～150mm.

Described nut is flower nut.

Described pad is metal material, and pad upper surface is with gear stricture of vagina, with the lower surface CONTACT WITH FRICTION of cover pipe clip.

Compared with prior art the present invention has following characteristics and beneficial effect: 1, the present invention is convenient to need to carry out the long longitudinal bone-culting operation of 10cm to tubular bone according to treatment, for example carry out rectangular-shaped bone-culting operation, be convenient to bone piece to carry out lateral traction, meet the vasculitic needs for the treatment of.Can also do Z-shaped, S shape bone-culting operation, be suitable for the long longitudinal Wicresoft of the tubular bone bone-culting operation of 10Cm, be convenient to bone piece to carry out longitudinal traction, meet the needs for the treatment of.

2, the bone-culting operation that adopts the present invention to carry out belongs to Minimally Invasive Surgery, adopt mini-incision, when operation, need only and cut 2-3 osculum at operation on soft tissue position, otch is not more than 1Cm, and osteotomy drill bit, main positioning needle is all placed in sleeve pipe, and sleeve pipe is directly aimed at and insert the little incision of soft tissue, and near art surface of bone, make osteotomy drill bit, main positioning needle and soft tissue isolation, when osteotomy bit bore, not injured nerve and blood vessel, soft tissue and periosteum, realize big-length bone-culting operation under Wicresoft's condition and injured nerve not, blood vessel, soft tissue and periosteum, wound is little, recover fast object, be conducive to promote bone to be rebuild, healing.

3, in the time of operation, apply the present invention, again in conjunction with bidirectional oblique angular bit hole osteotomy method, utilize the spinfunction of sleeve pipe by the mini-incision of art bone upper end, on art bone surface of bone, order is drilled with the osteotomy boring of oblique angle, upper end, in like manner, by the mini-incision of art bone lower end, order successively on art bone surface of bone is drilled with the osteotomy boring of oblique angle, lower end, the osteotomy boring of oblique angle, upper end and the boring of oblique angle, lower end osteotomy are intersected mutually, significantly reduce bone connection area, bone piece more easily separates and carries out lateral traction, and then augmenting bone cavity space is beneficial to treatment vasculitis etc.

4, the present invention is also specially adapted to art bone to carry out longitudinal traction, carrying out longitudinally Z-shaped, S shape Wicresoft bone-culting operation of tubular bone, take a pair of auxiliary positioning needle as basic point, sleeve pipe with osteotomy drill bit and main positioning needle can be adjusted on guide rail and longitudinally move freely and adjust angle in location, meet the needs of tubular bone (long bone) longitudinal traction treatment, medical worker is easy to operate, and surgical effect is secure.

5, adopt osteotomy registration of the present invention, location is adjusted on guide rail has scale to locate, graduated scale on cover pipe clip osteotomy drill bit is adjusted angle, can accurately locate art bone osteotomy line, with reference to preoperative X-ray sheet, can accurately art bone be cut down in Design ratio (angle), prevent from causing lower facial bone side soft tissue and neural damage, just the accuracy rate of operation, up to more than 99%, is obtaining substantial breakthrough aspect the safety of the longitudinal bone-culting operation of tubular bone and accuracy.

6, the pad in osteotomy end device of the present invention adopts metal material, on pad, with gear stricture of vagina, increases the rotational resistance of cover pipe clip, simple to operate while making to adjust angle adjustment graduated disc, regulates registration.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the present invention will be further described in detail.

Fig. 1 is the perspective view of the longitudinal Wicresoft of tubular bone osteotomy device.

Fig. 2 is the stereochemical structure decomposing schematic representation of the longitudinal Wicresoft of tubular bone osteotomy device.

Fig. 3 is the plan structure schematic diagram of the longitudinal Wicresoft of tubular bone osteotomy device.

Fig. 4 is the side-looking structural representation of the longitudinal Wicresoft of tubular bone osteotomy device.

Fig. 5 is the floor map that the longitudinal Wicresoft of tubular bone osteotomy device carries out oblique angle boring rectangle osteotomy.

Fig. 6 adopts the longitudinal Wicresoft of tubular bone osteotomy device to carry out the hole floor map of osteotomy of soft tissue slitting-up mode.

Fig. 7 is the floor map of Z-shaped osteotomy.

Fig. 8 is the floor map of S shape osteotomy.

Reference numeral: 1-osteotomy drill bit, the main positioning needle of 2-, 3-sleeve pipe, 4-sleeve rotating hands handle, 5-osteotomy bit bore, the main positioning needle perforation of 6-, 7-overlaps pipe clip, 8-cased perforated, 9-angle adjustment graduated disc, 10-pad, 11-chuck, 12-screw, 13-adjusts guide rail in location, 14-chute, 15-adjusts guide rail graduated scale in location, 16-nut, 17-screw fastening needle shaft, the auxiliary positioning needle perforation of 18-, the auxiliary positioning needle of 19-, 20-art bone, 21-lateral traction rectangle osteotomy position, the Z-shaped osteotomy of 22-longitudinal traction position, 23-longitudinal traction S shape osteotomy position, 24-drive motors, the main positioning needle hands of 25-handle, 26-art bone upper end osteotomy locating hole, 27-art bone lower end osteotomy locating hole, 28-has played the osteotomy boring of oblique angle, art bone upper end, 29-does not play the osteotomy boring of oblique angle, art bone upper end, 30-has played the osteotomy boring of oblique angle, art bone lower end.

The specific embodiment

Embodiment is referring to shown in Fig. 1-Fig. 4, the longitudinal Wicresoft of a kind of tubular bone osteotomy device, comprise osteotomy end osteotomy device and far-end positioner, described osteotomy end osteotomy device is slidably socketed a location and adjustsguide rail 13, it is strip thatguide rail 13 is adjusted in described location, middle along long to having achute 14, adjust guide rail graduatedscale 15 alongchute 14 with location; Described location is adjusted the symmetrical slip cap inguide rail 13 two ends and is connected to far-end positioner.

Described osteotomy end osteotomy device comprises osteotomy drill bit 1 and driving mechanism thereof, described osteotomy drill bit 1 is arranged side by side withmain positioning needle 2, and insert insleeve pipe 3 down side by side at tip, describedsleeve pipe 3 vertically and show 6 two ducts ofosteotomy bit bore 5 and main positioning needle perforation, described osteotomy drill bit 1 inserts in the duct ofosteotomy bit bore 5 and top is connected withdrive motors 24, and describedmain positioning needle 2 is inserted in the duct of mainpositioning needle perforation 6 and top is connected with mainpositioning needle handle 25;

The top of describedsleeve pipe 3 is connected with a sleeve piperotary handle 4, the middle part of describedsleeve pipe 3 is socketed with a set ofpipe clip 7, describedcover pipe clip 7 is rounded, upper surface is with angle adjustment graduateddisc 9, describedcover pipe clip 7 longitudinally has one for inserting the cased perforated 8 ofsleeve pipe 3, describedcover pipe clip 7 is fixedly connected withscrew 12 throughpad 10,chuck 11 by the female thread of its lower surface, describedpad 10 is metal material, pad upper surface is with gear stricture of vagina, with the lower surface CONTACT WITH FRICTION of cover pipe clip 7.Describedchuck 11 upper surfaces are adjustedguide rail 13 lower surfaces with location and are offseted and press, and the high spot of describedchuck 11 upper surfaces matches with thechute 14 thatguide rail 13 is adjusted in location.

Described far-end positioner comprisesauxiliary positioning needle 19, screw fasteningneedle shaft 17, auxiliary positioning needle perforation 18 and is positioned at a pair ofnut 16 of screw fastening needle shaft upper/lower terminal, and describednut 16 is flower nut.Described screw fasteningneedle shaft 17 centers are a nut being threaded connection with screw rod, described nut is step-like, the thin step place of described nut matches with thechute 14 that location is adjusted onguide rail 13, described auxiliary positioning needle is worn the 19 auxiliary positioning needle perforation 18 of crossing screw fasteningneedle shaft 17, screw fasteningneedle shaft 17 is passed down through location and adjusts the chute on guide rail, and upper/lower terminal is fixedly connected with by a pair ofnut 16.

The diameter of described osteotomy drill bit 1 is 1.0～4.0mm.

The aperture of describedosteotomy bit bore 5, mainpositioning needle perforation 6 is identical, and aperture is 1.1～4.1mm.

The diameter of describedmain positioning needle 2 is 1.0～4.0mm, and the diameter of described a pair ofauxiliary positioning needle 19 is 1.0～4.0mm.

The length that guide rail graduatedscale 15 is adjusted in described location is 100mm～150mm.

Embodiment mono-, shown in Fig. 1, Fig. 2, Fig. 5, the operating procedure of the present invention in the time carrying out rectangle osteotomy is as follows:

Preoperative first definite art bone upper end osteotomy anchor point and art bone lower end osteotomy anchor point, and soft tissue is cut to an osculum, put into osteotomy drill bit, accomplish fluently art bone upper end osteotomy locating hole and art bone lower end osteotomy locating hole at art bone upper/lower terminal respectively.Confirm osteotomy point according to longitudinal osteotomy line position of design in advance again, and it is stand-by that soft tissue is cut to two osculums at the osteotomy point two ends of confirming, longitudinal tubular bone Wicresoft osteotomy device is placed on art bone, a pair of auxiliary positioning needle is inserted respectively and fixed on the upper end osteotomy locating hole and art bone lower end osteotomy locating hole of having accomplished fluently, and by the upper and lower a pair of spiro cap of auxiliary positioning needle at screw fastening needle shaft upper/lower terminal, by its rotational lock, as anchor point.Main positioning needle 2 and osteotomy drill bit 1 are inserted respectively in the mainpositioning needle jack 6, osteotomydrill bit jack 5 ofsleeve pipe 3,main positioning needle 2 tops are connected with mainpositioning needle handle 25, and then osteotomy drill bit 1 top is connected withdrive motors 24 again.Adjust guide rail graduatedscale 15 with reference to location, first adjust onguide rail 13 in location, adjust the position ofmain positioning needle 2 and osteotomy drill bit 1,sleeve pipe 3 is adjusted to the designed angle of operation plan by the angle adjustment graduated disc on cover pipe clip, aim at and insert the little incision of soft tissue and near art surface of bone, and pad, chuck and cover pipe clip are connected and fixed withscrew 13.

While carrying out bone-culting operation operation, first the soft tissue of art bone upper end soft tissue incision is peeled off along art bone central point direction and art bone, then handle osteotomy drill bit 1 and get out first oblique angle, art bone upper end osteotomy boring at osteotomy place, andmain positioning needle 2 is interted in this hole, then according to preoperative operation prediction scheme, according to the angle adjustment graduateddisc 9 on cover pipe clip upper surface, the angle of rotation adjusting sleeve pipe clip, going out oblique angle, second art bone upper end osteotomy with osteotomy drill bit 1 at a sidetracking ofmain positioning needle 2 holes, interspersedosteotomy positioning needle 2, again take second hole osteotomy positioning needle as the center of circle, bysleeve rotating handle 4 Rotate 180s ° ofsleeve pipe 3, handle again osteotomy drill bit 1 and get out the osteotomy boring of oblique angle, the 3rd art bone upper end at the opposite side ofmain positioning needle 2, then extract osteotomy drill bit, againmain positioning needle 2 is moved to second or the 3rd hole in locate, handle again osteotomy drill bit 1 and get out the osteotomy boring of oblique angle, the 4th art bone upper end at osteotomy place, as can be seen from the figure play oblique angle, art bone upper end osteotomy boring 28 and do not played oblique angle, art bone upper end osteotomy boring 29, successively by above-mentioned steps repetitive operation, until art bone is sectioned to a half of art bone total length.Again 12 rotations of the screw ofcover pipe clip 7 are unclamped, andcover pipe clip 7 is inconjunction withpad 10 andchuck 11 are being located to the interior slip ofchute 14 of adjustingguide rail 13, the soft tissue that coverpipe clip 7 is moved to lower end cuts osculum place, according to the aforesaid operations method osteotomy of holing from the bottom to top, its oblique angle, art bone art bone lower end osteotomy boring intersects with the hole of oblique angle, art bone upper end osteotomy boring, directly causes art bone is sectioned.

Complete after the longitudinal osteotomy of tubular bone, the position that revoling tube rotary handle is 4 to 90 °, then the auxiliary positioning needle in removal surgery bone lower endosteotomy locating hole 27, and take this auxiliary positioning needle as axle center, adjust thesleeve pipe 3 of mobile osteotomy device to the horizontal osteotomy of tubular bone place, start with osteotomy drill bit 1 along tubular bone cross drilling, after boring, insertmain positioning needle 2, the position of revoling tube rotary handle to 180 ° again, and then laterally bore second hole along tubular bone with osteotomy drill bit 1, repeatable operation laterally sections tubular bone one end according to this, above-mentioned boring can be vertical osteotomy boring or the boring of oblique angle osteotomy.

Complete after aforesaid operations, again the auxiliary positioning needle of lower end is inserted to location in art bone lower endosteotomy locating hole 27, then an auxiliary positioning needle of removal surgery bone upper endosteotomy locating hole 26, and take this auxiliary positioning needle as axle center, adjust thesleeve pipe 3 of mobile osteotomy device to the horizontal osteotomy of tubular bone place, start with drill bit 1 along tubular bone cross drilling, after boring, insertmain positioning needle 2, rotate again the position of rotary handle to 180 °, and then laterally bore second hole along tubular bone with osteotomy drill bit 1, repeatable operation laterally sections tubular bone upper end according to this.Complete after the longitudinal osteotomy of above-mentioned tubular bone, can carry out horizontal drawing-off treatment.

Embodiment bis-: shown in Fig. 1, Fig. 2, Fig. 3, Fig. 6, the present invention also can be suitable for soft tissue slitting-up mode and carry out the longitudinal bone-culting operation of tubular bone.While implementing bone-culting operation, first determine the upper and lower osteotomy anchor point of art bone, then accomplish fluently art bone upper endosteotomy locating hole 26 and art bone lower endosteotomy locating hole 27 with osteotomy drill bit, and confirm osteotomy point according to longitudinal osteotomy line position of design in advance, and by soft tissue longitudinally osteotomy position cut one stand-by with the isometric otch of osteotomy line, longitudinal tubular bone Wicresoft osteotomy device is placed in to art bone place, and its operational approach is identical with embodiment mono-.

Embodiment tri-: shown in Fig. 1, Fig. 2, Fig. 3, Fig. 7, Fig. 8, that the present invention carries out is Z-shaped, when S shape osteotomy, operational approach is identical with bone-culting operation step and the method for embodiment mono-, just after tubular bone longitudinal drilling osteotomy, at the opposite direction that blocks of the top and bottom of tubular bone cross drilling osteotomy, make it to form the Z-shaped osteotomy oflongitudinal traction position 22 or longitudinal traction Sshape osteotomy position 23, art bone osteotomy section is become to Z-shaped or S shape, meet the needs of the longitudinal drawing-off treatment of tubular bone.

The above embodiment; it is only the more representational specific embodiment of the present invention; but institute of the present invention resist technology scheme is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; all changes or the replacement that can directly derive or expect easily from content disclosed by the invention, within all should being encompassed in protection scope of the present invention.

Claims (8)

1. the longitudinal Wicresoft of a tubular bone osteotomy device, comprise osteotomy end osteotomy device and far-end positioner, it is characterized in that: described osteotomy end osteotomy device is slidably socketed a location and adjusts guide rail (13), it is strip that guide rail (13) is adjusted in described location, middle along long to having a chute (14), adjust guide rail graduated scale (15) along chute (14) with location; Described location is adjusted the symmetrical slip cap in guide rail (13) two ends and is connected to far-end positioner;

Described osteotomy end osteotomy device comprises osteotomy drill bit (1) and driving mechanism thereof, described osteotomy drill bit (1) is arranged side by side with main positioning needle (2), and insert in sleeve pipe (3) down side by side at tip, described sleeve pipe (3) vertically and show (6) two ducts of osteotomy bit bore (5) and main positioning needle perforation, described osteotomy drill bit (1) inserts in the duct of osteotomy bit bore (5) and top is connected with drive motors (24), and described main positioning needle (2) is inserted main positioning needle and bored a hole in the duct of (6) and top is connected with main positioning needle handle (25);

Described far-end positioner comprises auxiliary positioning needle (19), screw fastening needle shaft (17), auxiliary positioning needle is bored a hole (18) and is positioned on screw fastening needle shaft, the a pair of nut (16) at lower two ends, described screw fastening needle shaft (17) center is a nut being threaded connection with screw rod, described nut is step-like, the thin step place of described nut matches with the chute (14) that location is adjusted on guide rail (13), described auxiliary positioning needle is worn (19) auxiliary positioning needle perforation (18) of screw fastening needle shaft (17) excessively, screw fastening needle shaft (17) is passed down through location and adjusts the chute on guide rail, on, lower two ends are fixedly connected with by a pair of nut (16).

2. the longitudinal Wicresoft of tubular bone according to claim 1 osteotomy device, it is characterized in that: the top of described sleeve pipe (3) is connected with a sleeve pipe rotary handle (4), the middle part of described sleeve pipe (3) is socketed with a set of pipe clip (7), described cover pipe clip (7) is rounded, upper surface is with angle adjustment graduated disc (9), described cover pipe clip (7) longitudinally has one for inserting the cased perforated (8) of sleeve pipe (3), described cover pipe clip (7) by the female thread of its lower surface through pad (10), chuck (11) is fixedly connected with screw (12), described chuck (11) upper surface is adjusted guide rail (13) lower surface with location and is offseted and press, the high spot of described chuck (11) upper surface matches with the chute (14) that guide rail (13) is adjusted in location.

3. the longitudinal Wicresoft of tubular bone according to claim 1 osteotomy device, is characterized in that: the diameter of described osteotomy drill bit (1) is 1.0～4.0mm.

4. the longitudinal Wicresoft of tubular bone according to claim 1 osteotomy device, is characterized in that: the aperture of described osteotomy bit bore (5), main positioning needle perforation (6) is identical, and aperture is 1.1～4.1mm.

5. the longitudinal Wicresoft of tubular bone according to claim 1 osteotomy device, is characterized in that: the diameter of described main positioning needle (2) is 1.0～4.0mm, the diameter of described a pair of auxiliary positioning needle (19) is 1.0～4.0mm.

6. the longitudinal Wicresoft of tubular bone according to claim 1 osteotomy device, is characterized in that: the length that guide rail graduated scale (15) is adjusted in described location is 100mm～150mm.

7. the longitudinal Wicresoft of tubular bone according to claim 1 osteotomy device, is characterized in that: described nut (16) is flower nut.

8. the longitudinal Wicresoft of tubular bone according to claim 2 osteotomy device, is characterized in that: described pad (10) is metal material, and pad upper surface is with gear stricture of vagina, with the lower surface CONTACT WITH FRICTION of cover pipe clip (7).

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