CN106264657B - Orthopaedics replacement knee equilibrium gap osteotomy positioning system - Google Patents

Orthopaedics replacement knee equilibrium gap osteotomy positioning system Download PDF

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Publication number
CN106264657B
CN106264657B CN201611007983.7A CN201611007983A CN106264657B CN 106264657 B CN106264657 B CN 106264657B CN 201611007983 A CN201611007983 A CN 201611007983A CN 106264657 B CN106264657 B CN 106264657B
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CN
China
Prior art keywords
positioning
equilibrium gap
interconnecting piece
saw blade
positioning system
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CN201611007983.7A
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Chinese (zh)
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CN106264657A (en
Inventor
黄勇
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黄勇
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Publication of CN106264657A publication Critical patent/CN106264657A/en
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Abstract

The present invention discloses a kind of orthopaedics replacement knee equilibrium gap osteotomy positioning system, piece, line of force guider, the line of force, which are thickeied, including equilibrium gap osteotomy positioning plate, osteotomy positioning plate shows steel wire and laser emitter, the equilibrium gap osteotomy positioning plate includes interconnecting piece and is set to interconnecting piece wherein one end and molding positioning region in conjunction, the positioning region are provided with U-type groove far from one end of interconnecting piece.The configuration of the present invention is simple, it is easy to use, knee prosthesis replacement operation can easily be carried out.

Description

Orthopaedics replacement knee equilibrium gap osteotomy positioning system

Technical field

The invention belongs to orthopaedics replacement knee prosthetic replacement system regions, and in particular to a kind of orthopaedics replacement knee equilibrium gap section Bone positioning system.

Background technique

Replacement knee in arthroplasty is a kind of current conventional therapeutic modality for knee joint transformation lesion, traditional tool In carrying out replacement knee in arthroplasty, inside and outside side seam joint space is inconsistent after being easy to appear femur and Tibial osteotomy, forms square Shape structure causes postoperative knee joint periphery ligament tension inconsistent, influences postoperative therapeutic effect.

Summary of the invention

The technical problems to be solved by the invention are in view of the above shortcomings of the prior art, to provide a kind of orthopaedics replacement knee Equilibrium gap osteotomy positioning system, structure is simple, easy to use, can easily carry out knee prosthesis replacement operation.

The technical scheme adopted by the invention is that:A kind of orthopaedics replacement knee equilibrium gap osteotomy positioning system, including balance Gap osteotomy positioning plate, osteotomy positioning plate thicken piece, line of force guider, the line of force and show steel wire and laser emitter, the balance Gap osteotomy positioning plate includes interconnecting piece and is set to interconnecting piece wherein one end and molding positioning region in conjunction, the positioning Portion is provided with U-type groove far from one end of interconnecting piece, is respectively equipped with positioning region upper limb plane and positioning at the top and bottom of the positioning region Subordinate's edge plane, the interconnecting piece lower end are equipped with molding goose saw saw blade direction peg in conjunction, the goose saw saw blade direction peg Lower surface is equipped with goose saw saw blade guide-localization stake outer rim, is provided with goose saw saw blade locating slot on the goose saw saw blade direction peg, described Goose saw saw blade locating slot is equipped with goose saw locating slot close to one end of interconnecting piece and exports lower edge, the goose saw saw blade locating slot and positioning Angle between subordinate's edge plane elongated surfaces is 3 °, and the goose saw saw blade guide-localization stake outer rim is parallel with positioning region lower edge plane And distance is 13mm, one end upper surface in remotely located portion is equipped with fixed plate at the top of the interconnecting piece, is provided in the fixed plate One end end face of two horizontal fixation holes, the remotely located portion of interconnecting piece is equipped with and its integrally formed handle portion, the hand Two vertical line of force positioning guide holes are provided at the top of shank, the osteotomy positioning plate thickeies piece cross sectional shape and size and positioning Cross section is consistent, and the line of force guider includes the guider being made of guiding interconnecting piece and guide-localization portion, the guiding The guiding interconnecting piece of device passes through line of force positioning guide hole and is connect with matching fixed screw with handle portion.

Preferably, the positioning region is with a thickness of 9mm, width 60mm.

Preferably, the fixed plate is with a thickness of 6mm.

Preferably, the fixed plate upper limb width is 30mm, the fixed plate lower edge is 15mm.

Preferably, the two fixed pitchs of holes are 20mm.

Preferably, the fixed hole diameter is 3.1mm.

Preferably, two line of force positioning bore dias are 6.8mm.

Preferably, the thickening piece is with a thickness of 1mm.

The beneficial effects of the present invention are:

(1)Simply, conveniently, operating procedure is few for tool, reduces operation risk;

(2)Accurate positioning reduces iatrogenic surgical injury;

(3)Traditional shin bone positioning tool is saved, shortens operating time, performs the operation at low cost;

(4)Tool consumption is low, and satisfaction repeatedly uses, and reduces operation cost;

(5)Tool design realizes standardization operation, avoid because medical technologies are horizontal or caused by operating table error in judgement it is postoperative The problems such as difference on effect is larger;

(6)Doctor completes such operation without good particularly good profession operation basis, has what can be popularized to push away Wide effect, can allow more doctors to grasp the technical ability of the such operation of complete independently in a short time.

Detailed description of the invention

Fig. 1 is the utility model equilibrium gap osteotomy positioning plate structure schematic diagram side view;

Fig. 2 is the utility model equilibrium gap osteotomy positioning plate structure schematic diagram top view;

Fig. 3 is the utility model equilibrium gap osteotomy positioning plate structure schematic diagram cross-section diagram;

Fig. 4 is that the utility model osteotomy positioning plate thickeies chip architecture schematic diagram;

Fig. 5 is the utility model line of force guide structure schematic diagram;

Fig. 6 is that the utility model line of force shows steel wire device structural schematic diagram;

Fig. 7 is the utility model laser emitter structural schematic diagram.

In figure:1, interconnecting piece;2, positioning region;3, goose saw saw blade direction peg;4, goose saw saw blade locating slot;5, positioning region lower edge Plane;6, goose saw locating slot exports lower edge;7, goose saw saw blade guide-localization stake outer rim;8, positioning region upper limb plane;9, fixed plate; 10, fixation hole;11, handle portion;12, line of force positioning guide hole;13, osteotomy positioning plate thickeies piece;14, line of force guider;15, solid Determine screw;16, the line of force shows steel wire;17, laser emitter.

Specific embodiment

Invention is further described in detail below in conjunction with the accompanying drawings and the specific embodiments.

As shown in Figure 1, a kind of orthopaedics replacement knee equilibrium gap osteotomy positioning system, including equilibrium gap osteotomy positioning plate, Osteotomy positioning plate thickeies piece 13, line of force guider 14, the line of force and shows steel wire 16 and laser emitter 17, the equilibrium gap osteotomy Positioning plate includes interconnecting piece 1 and is set to interconnecting piece 1 wherein one end and molding positioning region 2 in conjunction, and the positioning region 2 is remote One end from interconnecting piece 1 is provided with U-type groove, and positioning region upper limb plane 8 and positioning region are respectively equipped at the top and bottom of the positioning region 2 Lower edge plane 5,1 lower end of interconnecting piece are equipped with molding goose saw saw blade direction peg 3 in conjunction, the goose saw saw blade direction peg 3 lower surfaces are equipped with goose saw saw blade guide-localization stake outer rim 7, are provided with goose saw saw blade locating slot 4 on the goose saw saw blade direction peg 3, The goose saw saw blade locating slot 4 is equipped with goose saw locating slot close to one end of interconnecting piece 1 and exports lower edge 6, the goose saw saw blade positioning Angle between 5 elongated surfaces of slot 4 and positioning region lower edge plane is 3 °, the goose saw saw blade guide-localization stake outer rim 7 and positioning region Lower edge plane 5 is parallel and distance is 13mm, and one end upper surface in the 1 remotely located portion 2 in top of interconnecting piece is equipped with fixed plate 9, Two horizontal fixation holes 10 are provided in the fixed plate 9, one end end face in the remotely located portion 2 of the interconnecting piece 1 is equipped with and one Body formed handle portion 11 is provided with two vertical line of force positioning guide holes 12, the osteotomy positioning plate at the top of the handle portion 11 Thickening 13 cross sectional shape and size of piece is consistent with 2 cross section of positioning region, and the line of force guider 14 includes by guiding interconnecting piece With the guider of guide-localization portion composition, the guiding interconnecting piece of the guider passes through line of force positioning guide hole 12 and with therewith The fixed screw 15 matched is connect with handle portion 11.

In the present embodiment, the positioning region 2 is with a thickness of 9mm, width 60mm.

In the present embodiment, the fixed plate 9 is with a thickness of 6mm.

In the present embodiment, the 9 upper limb width of fixed plate is 30mm, and 9 lower edge of fixed plate is 15mm.

In the present embodiment, two 10 spacing of fixation hole are 20mm.

In the present embodiment, 10 diameter of fixation hole is 3.1mm.

In the present embodiment, two line of force positioning bore dias are 6.8mm.

In the present embodiment, the thickening piece is with a thickness of 1mm.

Traditional approach is used to cut off distal femoral surface when the use of this positioning system first;Knee joint O degree position, by equilibrium gap osteotomy Positioning front edge of board is inserted perpendicularly into knee space, and goose saw saw blade locating slot 4 is towards ankle joint direction, goose saw positioning region 2 and shin Bone tubercle is close to, and if any joint space relaxation, adds osteotomy positioning plate to thicken piece 13 and is inserted into knee space;It is fixed using 3.0mm Needle hammers into condyle of femur, stable equilibrium gap osteotomy positioning plate along 9 two fixation holes 10 of fixed plate;

Knee joint position is ajusted, and needs installing force wire guider 14 according to operation, using drawing steel wire or laser emitter 17 modes determine the lower limb line of force, adjustment knee joint to ideal line of force angle, fixed knee joint;Goose saw is cut along goose saw locating slot Tibial plateau limit depth and width extract fixing glue, equilibrium gap osteotomy positioning plate are taken out, using goose saw along shin bone goose saw bone Slot cuts off tibial plateau, completes the production of tibial plateau;

By equilibrium gap osteotomy positioning front edge of board vertically again insertable into knee space, goose saw locating slot is towards hip joint side To 9 position of fixed plate is close to tibial tubercle;Condyle of femur is hammered into along 9 two fixation holes 10 of fixed plate using 3.0mm fixed pin, Stable equilibrium gap osteotomy positioning plate;

Goose saw is cut two sides condyle of femur rear limit depth and width along goose saw locating slot, extracts and fix by 90 degree of bending knee Nail takes out equilibrium gap osteotomy positioning plate, cuts off condyle of femur rear along condyle of femur goose saw bone slot using goose saw, completes condyle of femur Production;Installation and the residue operating procedure of joint prosthesis are completed in the usual way.

Claims (8)

1. a kind of orthopaedics replacement knee equilibrium gap osteotomy positioning system, it is characterised in that:Including equilibrium gap osteotomy positioning plate, cut Bone positioning plate thickeies piece, line of force guider, line of force display steel wire and laser emitter, the equilibrium gap osteotomy positioning plate Interconnecting piece and it is set to interconnecting piece wherein one end and molding positioning region in conjunction, the one end of the positioning region far from interconnecting piece It is provided with U-type groove, is respectively equipped with positioning region upper limb plane and positioning region lower edge plane, the connection at the top and bottom of the positioning region Subordinate end is equipped with molding goose saw saw blade direction peg in conjunction, and the goose saw saw blade direction peg lower surface is equipped with goose saw saw blade and leads To guide pile outer rim, goose saw saw blade locating slot is provided on the goose saw saw blade direction peg, the goose saw saw blade locating slot is close to even One end of socket part is equipped with goose saw locating slot and exports lower edge, between the goose saw saw blade locating slot and positioning region lower edge plane elongated surfaces Angle be 3 °, the goose saw saw blade guide-localization stake outer rim it is parallel with positioning region lower edge plane and distance be 13mm, the company One end upper surface in remotely located portion is equipped with fixed plate at the top of socket part, and two horizontal fixation holes are provided in the fixed plate, described One end end face in the remotely located portion of interconnecting piece be equipped with its integrally formed handle portion, it is vertical that two are provided at the top of the handle portion Line of force positioning guide hole, the osteotomy positioning plate thickening piece cross sectional shape and size is consistent with positioning cross section, the power Wire guider includes the guider being made of guiding interconnecting piece and guide-localization portion, and the guiding interconnecting piece of the guider passes through power It line positioning guide hole and is connect with matching fixed screw with handle portion.
2. orthopaedics replacement knee equilibrium gap osteotomy positioning system according to claim 1, it is characterised in that:The positioning region With a thickness of 9mm, width 60mm.
3. orthopaedics replacement knee equilibrium gap osteotomy positioning system according to claim 1, it is characterised in that:The fixed plate With a thickness of 6mm.
4. orthopaedics replacement knee equilibrium gap osteotomy positioning system according to claim 1, it is characterised in that:The fixed plate Upper limb width is 30mm, and the fixed plate lower edge is 15mm.
5. orthopaedics replacement knee equilibrium gap osteotomy positioning system according to claim 1, it is characterised in that:Two fixations Pitch of holes is 20mm.
6. orthopaedics replacement knee equilibrium gap osteotomy positioning system according to claim 1, it is characterised in that:The fixation hole Diameter is 3.1mm.
7. orthopaedics replacement knee equilibrium gap osteotomy positioning system according to claim 1, it is characterised in that:Two line of forces Positioning bore dia is 6.8mm.
8. orthopaedics replacement knee equilibrium gap osteotomy positioning system according to claim 1, it is characterised in that:The thickening piece With a thickness of 1mm.
CN201611007983.7A 2016-11-16 2016-11-16 Orthopaedics replacement knee equilibrium gap osteotomy positioning system CN106264657B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611007983.7A CN106264657B (en) 2016-11-16 2016-11-16 Orthopaedics replacement knee equilibrium gap osteotomy positioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611007983.7A CN106264657B (en) 2016-11-16 2016-11-16 Orthopaedics replacement knee equilibrium gap osteotomy positioning system

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CN106264657B true CN106264657B (en) 2018-11-27

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2713916A1 (en) * 1993-12-20 1995-06-23 Voydeville Gilles femoral cutting guide.
US6221035B1 (en) * 1998-11-16 2001-04-24 Richard J. Kana Automatic ankle clamp
US7837690B2 (en) * 2003-01-15 2010-11-23 Biomet Manufacturing Corp. Method and apparatus for less invasive knee resection
DE202011052439U1 (en) * 2011-12-22 2012-01-31 Aesculap Ag Surgical saw jig, surgical saw blade and surgical sawing system
CN103781427A (en) * 2011-04-21 2014-05-07 德鲁有限责任公司 Equipment for inserting a joint prosthesis, in particular a knee prosthesis
CN105682612A (en) * 2013-10-15 2016-06-15 艾克斯潘多索公司 Actuated positioning device for arthroplasty and methods of use
US9421022B2 (en) * 2001-03-05 2016-08-23 Puget Bioventures Llc Method and apparatus for total knee arthroplasty

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2434747B (en) * 2006-02-01 2010-12-22 Biomet Uk Ltd Surgical jig for a knee
US8974459B1 (en) * 2010-05-21 2015-03-10 Howmedica Osteonics Corp. Natural alignment knee instruments

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2713916A1 (en) * 1993-12-20 1995-06-23 Voydeville Gilles femoral cutting guide.
US6221035B1 (en) * 1998-11-16 2001-04-24 Richard J. Kana Automatic ankle clamp
US9421022B2 (en) * 2001-03-05 2016-08-23 Puget Bioventures Llc Method and apparatus for total knee arthroplasty
US7837690B2 (en) * 2003-01-15 2010-11-23 Biomet Manufacturing Corp. Method and apparatus for less invasive knee resection
CN103781427A (en) * 2011-04-21 2014-05-07 德鲁有限责任公司 Equipment for inserting a joint prosthesis, in particular a knee prosthesis
DE202011052439U1 (en) * 2011-12-22 2012-01-31 Aesculap Ag Surgical saw jig, surgical saw blade and surgical sawing system
CN105682612A (en) * 2013-10-15 2016-06-15 艾克斯潘多索公司 Actuated positioning device for arthroplasty and methods of use

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