CN102599970A - Backbone internal fixing system - Google Patents
Backbone internal fixing system Download PDFInfo
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- CN102599970A CN102599970A CN2012100946743A CN201210094674A CN102599970A CN 102599970 A CN102599970 A CN 102599970A CN 2012100946743 A CN2012100946743 A CN 2012100946743A CN 201210094674 A CN201210094674 A CN 201210094674A CN 102599970 A CN102599970 A CN 102599970A
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- internal fixation
- hole
- fixation plate
- marrow
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Abstract
The invention relates to a medical appliance, in particular to an orthopedic backbone internal fixing system, which comprises an internal fixing device, an implanting and taking-out device (4) and a surgical fixing device (5). The internal fixing device comprises a first intramedullary fixing plate (1), a second intramedullary fixing plate (2) and an embedded elliptical cylinder (3); the first intramedullary fixing plate (1) is provided with a first bump (11); the second intramedullary fixing plate (2) is provided with a second bump (21); and one end of the embedded elliptical cylinder (3) is provided with a third through hole (31), the other end of the embedded elliptical cylinder (3) is conical, and the conical top end of the embedded elliptical cylinder (3) has a certain radian. According to the technical scheme, the backbone internal fixing system is easy to be implanted, is fixed well relatively, and is few in incision and trauma, free of stress shielding, easy in operation and low in surgical risk, a dilating angle is easy to be adjusted, and after the backbone internal fixing system is implanted, fracture reduction is good.
Description
Technical field
The present invention relates to medical apparatus and instruments, relate in particular to the key internal fixation system of a kind of orthopaedics.
Background technology
The shaft fracture internal fixation mainly divides two kinds, intramedullary pin and steel plate internal fixation system.The latter's peeling operation scope is wide, damage is big, and can produce biomechanics defectives such as stress shielding and stress concentration after fixing, is used for being not suitable for using the fixed classification of fracture of intramedullary pin more.The intramedullary pin internal fixation system has many types; Commonly used Flos Mume nail, Ender nail, Rush nail, rectangular slab intramedullary pin arranged, twist lock intramedullary nail etc.; The strand lock intramedullary nail then is the kind that present main flow is used; Other because various defectives are seldom used or are progressively eliminated, but the strand lock intramedullary nail also has the defective of self: the one, need a plurality of little otch, the 2nd, pinning is locked difficulty, the 3rd, also has stress concentration and stress shielding problem.Key internal fixation system of the present invention is made up of up and down two marrow internal fixation plates and intermediary embedding post, embed in the operation process post up and down two marrow internal fixation plates strut, so easy implantation, relative fixed is good, and after the plate implantation, the resetting of fracture.
Summary of the invention
The present invention is directed to deficiency of the prior art, provide that a kind of otch is few, wound is little, operation easily, regulate the key internal fixation system of expansion angle easily.
In order to solve the problems of the technologies described above, the present invention is able to solve through following technical proposals.
A kind of key internal fixation system comprises inner fixing device, implantation and withdrawing device and operation fixture, and inner fixing device comprises the first marrow internal fixation plate, the second marrow internal fixation plate and embedded cylindroid;
One end of the first marrow internal fixation plate is provided with first through hole, is provided with first projection apart from other end 30-50mm place;
One end of the second marrow internal fixation plate is provided with second through hole, is provided with second projection apart from other end 30-50mm place;
An embedded cylindroid end is provided with third through-hole, and the other end is tapered, and tapered tip has certain radian.Make key far-end separately with first projection and second projection.
As preferably, the first marrow internal fixation plate is that a block length 26-40cm, wide 6-8mm, thickness are the arc of 2mm, has radian away from an end of first through hole; The second marrow internal fixation plate is that a block length 26-40cm, wide 6-8mm, thickness are the arc of 2mm, has radian away from an end of second through hole.Vertical radian makes the convenient insertion of the first marrow internal fixation plate, the second marrow internal fixation plate and embedded cylindroid.
As preferably, embedded cylindroid is that a height is that 26-40cm, cross section are oval column, and long axis of ellipse is that 4-7mm, minor axis are 2-5mm.
As preferably, the height of first projection is 3mm, and the height of second projection is 3mm.
As preferably, implant with withdrawing device and comprise connecting axle, joint pin and handle, be fixedly connected with connecting axle on the joint pin, the lower end is connected with the hands handle; Connecting axle is positioned at joint pin one side, and taper knob is in the joint pin lower end.
As preferably, connecting axle is bigger than the intermediary width of connecting axle away from an end of joint pin.The connecting axle of the wide intermediate narrower in two ends makes to make at the implantation first marrow internal fixation plate and the second marrow internal fixation plate, can arbitrarily not slide.
As preferably, the operation fixture comprises fixed axis, fixture and circular hole, and fixture has two, and two fixtures are fixedly connected, and interconnective part is provided with circular hole.
As preferably, be fixed with fixed axis on the fixture, fixed axis is bigger than the intermediary width of fixed axis away from an end of fixture.
Key internal fixation system titanium alloy material is processed, and it has, and density is low, mechanical strength very much not easy fracture, stronger corrosion resistance and flexible characteristics, and along with the ratio of titanium in alloy is different, its alloy property can be distinguished again to some extent, is convenient to regulation and control.
The present invention is made up of up and down two marrow internal fixation plates and intermediary embedding post, embed in the operation process post up and down two marrow internal fixation plates strut implantation easily; Relative fixed is good, and otch is few, wound is little, non-stress shielding; Easily operation, operation risk are little; Regulate easily expansion angle, after such plate is implanted, the resetting of fracture.
Description of drawings
Fig. 1 is the structural representation of the first marrow internal fixation plate;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 cuts open figure for the office of A among Fig. 1;
Fig. 5 is the structural representation of the second marrow internal fixation plate;
Fig. 6 is the rearview of Fig. 5;
Fig. 7 is the right view of Fig. 5;
Fig. 8 cuts open figure for the office of A among Fig. 5;
Fig. 9 is embedded cylindroid structural representation;
Figure 10 is the right view of Fig. 9;
Figure 11 is the structural representation of implantation and withdrawing device;
Figure 12 is the structural representation of operation fixture;
Figure 13 is embedded cylindroid implantation sketch map;
Figure 14 is the key internal fixation system sketch map of fracture of shaft of tibia;
Figure 15 is the key internal fixation system sketch map of fracture of shaft of femur;
Figure 16 is the key internal fixation system sketch map of humeral shaft fracture.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail.
A kind of key internal fixation system comprises inner fixing device, implantation and withdrawing device 4 and operation fixture 5.Inner fixing device comprises the first marrow internal fixation plate 1, the second marrow internal fixation plate 2 and embedded cylindroid 3.
Like Fig. 1-4; The first marrow internal fixation plate 1 is that a block length 26-40cm, wide 6-8mm, thickness are the arc of 2mm, and the width of the first marrow internal fixation plate 1 is an arc, and the two ends of the first marrow internal fixation plate 1 are respectively near-end and far-end; Near-end is provided with first through hole 12; First through hole 12 is a circular port, and far-end has certain radian, not only makes things convenient for insertion but also be unlikely to injure human body; Be provided with first projection 11 of a ramped shaped apart from far-end 30-50mm place; First projection 11 is positioned at curved inner radius one side; First projection 11 is ramped shaped, and a peak is arranged, and the vertical dimension of the peak and the first marrow internal fixation plate 1 is 3mm; Gradually little along peak to the vertical dimension of both sides, until with the first marrow internal fixation plate 1 on point overlap.
Identical with the first marrow internal fixation plate, 1 structure size like Fig. 5-8, the second marrow internal fixation plate 2, the near-end of the second marrow internal fixation plate 2 and far-end are respectively equipped with second through hole 22 and second projection 21.
Like Fig. 9-10, embedded cylindroid 3 is that a solid is lived, and its cross section is oval, and transverse is that 4-7mm, minor axis are 2-5mm, and the height of embedded cylindroid 3 is 26-40cm.Embedded cylindroid 3 also is provided with near-end and far-end, and near-end is provided with third through-hole 31, and third through-hole 31 is a circular port; Far-end is tapered, and tapered tip has certain radian.
First through hole 12, second through hole 22 are identical with third through-hole 31 size structures.
Like Figure 11, implant and to be used for implantation with withdrawing device 4 and to take out the first marrow internal fixation plate 1, the second marrow internal fixation plate 2 and embedded cylindroid 3, comprise joint pin 42, handle 43 and connecting axle 41.Connecting axle 41 is positioned at the right side of joint pin 42 upper ends; Connecting axle 41 a free ends i.e. end width away from joint pin 42 are identical with the aperture of first through hole 12, connecting axle 41 two ends symmetry, and intermediary width is less than the width at two ends; Become inner concave shape, insert first through hole 12 and can prevent slippage.The lower end of joint pin 42 connects handle 43, and joint pin 42 runs through handle 43, and the lower end protrudes in handle 43, the handle 43 middle parts that are provided with inner concave shape in joint pin 42 left sides, the convenient use; The length of the handle 43 on right side is less than the length of the handle 43 in left side, and joint pin 42 right side handles 43 upper ends are for taking out beating point, and joint pin 42 lower ends are for implanting beating point.
When implantation and withdrawing device 4 are implanted the first marrow internal fixation plate 1, earlier connecting axle 41 is inserted first through hole 12, exert oneself at the implantation beating point, just implantable; Implant when taking out the first marrow internal fixation plate 1, earlier connecting axle 41 is inserted first through hole 12, exert oneself taking out beating point, utilize handle 43 that it is extracted simultaneously with withdrawing device 4.The implantation of the second marrow internal fixation plate 2, embedded cylindroid 3 is taken out identical with the first marrow internal fixation plate 1.
Like Figure 12, operation fixture 5 comprises fixture 52, fixed axis 51 and circular hole 53.Fixture 52 has two, and two fixtures 52 are fixedly connected, and interconnective part is provided with circular hole 53, and embedded cylindroid 3 can insert from circular hole 53.Be fixed with fixed axis 51 on the fixture 52, fixed axis 51 is identical with connecting axle 41 structure size of implantation and withdrawing device 4.
Like Figure 13, operation fixture 5 is used for fixing the first marrow internal fixation plate 1 and the second marrow internal fixation plate 2, and convenient embedded cylindroid 3 inserts; First through hole 12 and second through hole 22 are installed in respectively on two fixed axis 51, and under the support of operation fixture 5, the fixing first marrow internal fixation plate 1 and the second marrow internal fixation plate 2 insert embedded cylindroid 3 from circular hole 53.Like this, make the first marrow internal fixation plate 1 and the second marrow internal fixation plate 2 be introduced into key far-end, can prevent that embedded cylindroid 3 from not passing first projection 11 and second projection 21 as yet, just the three gets into key far-end together, does not reach far-end and separates fixed purpose.
Like Figure 13,14, the key internal fixation system of fracture of shaft of tibia.
Implantation process: the inboard vertical subcutaneous straight cut of shape of an about 5cm of doing in the tibia upper end, expose the tibia upper end, and sidetracking one bone hole and reaming within it; Use to implant with withdrawing device 4 with in the first marrow internal fixation plate 1 and the second marrow internal fixation plate, the 2 implantation holes, along pulp cavity entering (with the reduction of the fracture) and pass fracture line and get into key far-end, make the two in pulp cavity, encircle hollow ellipse post of formation; Reuse operation fixture 5 is fixed the first marrow internal fixation plate 1 and the second marrow internal fixation plate 2; Use implantation and withdrawing device 4 that embedded cylindroid 3 is inserted the hollow ellipse post of encircling from circular hole 53; To first projection 11 and second projection, 21 places; The far-end of the first marrow internal fixation plate 1 and the far-end of the second marrow internal fixation plate 2 are separated, be " herringbone ", embedded cylindroid 3 gets into key far-end; Three's near-end is stayed the Different Plane of femur outside, and first through hole 12, second through hole 22 and third through-hole 31 are stayed outside the backbone.
Taking-up process: will implant the third through-hole 31 that is inserted in embedded cylindroid 3 with the connecting axle 41 of withdrawing device 4; Utilize handle 43 and taking-up beating point that it is extracted; The connecting axle 41 that to implant again with withdrawing device 4 is inserted in the first marrow internal fixation plate 1 and the second marrow internal fixation plate 2 respectively, and it is successively extracted.
Like Figure 13,15, the key internal fixation system of fracture of shaft of femur.
Implantation process: make an about 6cm otch in buttocks greater trochanter of femur back upper place, appear greater trochanter, at recess with bone bradawl one aperture and reaming, sidetracking one bone hole and reaming in the proximal femur; Use to implant with withdrawing device 4 with in the first marrow internal fixation plate 1 and the second marrow internal fixation plate, the 2 implantation holes, along pulp cavity entering (with the reduction of the fracture) and pass fracture line and get into key far-end, make the two in pulp cavity, encircle hollow ellipse post of formation; Reuse operation fixture 5 is fixed the first marrow internal fixation plate 1 and the second marrow internal fixation plate 2; Use implantation and withdrawing device 4 that embedded cylindroid 3 is inserted the hollow ellipse post of encircling from circular hole 53; To first projection 11 and second projection, 21 places; The far-end of the first marrow internal fixation plate 1 and the far-end of the second marrow internal fixation plate 2 are separated, be " herringbone ", embedded cylindroid 3 gets into key far-end; Three's near-end is stayed the recessed outer 1-2cm of greater trochanter, and first through hole 12, second through hole 22 and third through-hole 31 are stayed outside the backbone.
Taking-up process: will implant the third through-hole 31 that is inserted in embedded cylindroid 3 with the connecting axle 41 of withdrawing device 4; Utilize handle 43 and taking-up beating point that it is extracted; The connecting axle 41 that to implant again with withdrawing device 4 is inserted in the first marrow internal fixation plate 1 and the second marrow internal fixation plate 2 respectively, and it is successively extracted.
Like Figure 13,16, the key internal fixation system of humeral shaft fracture.
Implantation process: make a short otch in the acromion outside, appear the separation triangular muscle, expose greater tubercle, in sidetracking one bone hole and reaming thereafter; Use to implant with withdrawing device 4 with in the first marrow internal fixation plate 1 and the second marrow internal fixation plate, the 2 implantation holes, along pulp cavity entering (with the reduction of the fracture) and pass fracture line and get into key far-end, make the two in pulp cavity, encircle hollow ellipse post of formation; Reuse operation fixture 5 is fixed the first marrow internal fixation plate 1 and the second marrow internal fixation plate 2; Use implantation and withdrawing device 4 that embedded cylindroid 3 is inserted the hollow ellipse post of encircling from circular hole 53; To first projection 11 and second projection, 21 places; The far-end of the first marrow internal fixation plate 1 and the far-end of the second marrow internal fixation plate 2 are separated, be " herringbone ", embedded cylindroid 3 gets into key far-end; Three's near-end is stayed the outer 0.5-1cm of bone, and first through hole 12, second through hole 22 and third through-hole 31 are stayed outside the backbone.
Taking-up process: will implant the third through-hole 31 that is inserted in embedded cylindroid 3 with the connecting axle 41 of withdrawing device 4; Utilize handle 43 and taking-up beating point that it is extracted; The connecting axle 41 that to implant again with withdrawing device 4 is inserted in the first marrow internal fixation plate 1 and the second marrow internal fixation plate 2 respectively, and it is successively extracted.
In a word, the above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (8)
1. key internal fixation system; Comprise inner fixing device, implantation and withdrawing device (4) and operation fixture (5), it is characterized in that: inner fixing device comprises the first marrow internal fixation plate (1), the second marrow internal fixation plate (2) and embedded cylindroid (3);
One end of the first marrow internal fixation plate (1) is provided with first through hole (12), is provided with first projection (11) apart from other end 30-50mm place;
One end of the second marrow internal fixation plate (2) is provided with second through hole (22), is provided with second projection (21) apart from other end 30-50mm place;
One end of embedded cylindroid (3) is provided with third through-hole (31), and the other end is tapered, and tapered tip has certain radian.
2. a kind of key internal fixation system according to claim 1 is characterized in that: the first marrow internal fixation plate (1) is that a block length 26-40cm, wide 6-8mm, thickness are the arc of 2mm, has radian away from an end of first through hole (12); The second marrow internal fixation plate (2) is that a block length 26-40cm, wide 6-8mm, thickness are the arc of 2mm, has radian away from an end of second through hole (22).
3. a kind of key internal fixation system according to claim 1 is characterized in that: embedded cylindroid (3) is that a height is that 26-40cm, cross section are oval column, and long axis of ellipse is that 4-7mm, minor axis are 2-5mm.
4. a kind of key internal fixation system according to claim 1 is characterized in that: the height of first projection (11) is 3mm, and the height of second projection (21) is 3mm.
5. a kind of key internal fixation system according to claim 1; It is characterized in that: implantation and withdrawing device (4) comprise connecting axle (41), joint pin (42) and handle (43); Joint pin (42) upper end is fixedly connected with connecting axle (41), and the lower end is connected with handle (43); Connecting axle (41) is positioned at joint pin (42) one sides, and handle (43) is enclosed within joint pin (42) lower end.
6. a kind of key internal fixation system according to claim 5 is characterized in that: connecting axle (41) is bigger than the intermediary width of connecting axle (41) away from an end of joint pin (42).
7. a kind of key internal fixation system according to claim 1; It is characterized in that: operation fixture (5) comprises fixed axis (51), fixture (52) and circular hole (53); Fixture (52) has two; Two fixtures (52) are fixedly connected, and interconnective part is provided with circular hole (53).
8. a kind of key internal fixation system according to claim 7 is characterized in that: be fixed with fixed axis (51) on the fixture (52), fixed axis (51) is bigger than the intermediary width of fixed axis (51) away from an end of fixture (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094674.3A CN102599970B (en) | 2012-03-31 | 2012-03-31 | Backbone internal fixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094674.3A CN102599970B (en) | 2012-03-31 | 2012-03-31 | Backbone internal fixing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102599970A true CN102599970A (en) | 2012-07-25 |
| CN102599970B CN102599970B (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210094674.3A Expired - Fee Related CN102599970B (en) | 2012-03-31 | 2012-03-31 | Backbone internal fixing system |
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| Country | Link |
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| CN (1) | CN102599970B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728333A (en) * | 1985-04-05 | 1988-03-01 | Masse Andre A | Modular prosthesis kit |
| US4862883A (en) * | 1988-04-21 | 1989-09-05 | Yosef Freeland | Interlocking intramedullary nail |
| US5116335A (en) * | 1989-09-18 | 1992-05-26 | Hannon Gerard T | Intramedullary hybrid nail and instrumentation for installation and removal |
| CN1061525A (en) * | 1990-11-23 | 1992-06-03 | 湖北省荆州地区人民医院 | Fork-shaped automatic separation formula intramedullary needle and injection-drawing out device thereof |
| CN2501464Y (en) * | 2001-10-23 | 2002-07-24 | 兰州西脉记忆合金股份有限公司 | Thigh-bone intramedullary nail made by marmem and its corollary equipment |
| CN1375264A (en) * | 2001-03-15 | 2002-10-23 | 李健民 | Humeral shaft-locking intramedullary needle |
| EP1196101B1 (en) * | 1999-05-27 | 2004-04-07 | Jonathan Phillips | Pediatric intramedullary nail |
| CN2614635Y (en) * | 2003-05-06 | 2004-05-12 | 复旦大学附属上海市第五人民医院 | Forked self-locking intramedullary nail of femur |
| CN201286761Y (en) * | 2008-11-10 | 2009-08-12 | 徐永旭 | Bone-nail removing tongs |
-
2012
- 2012-03-31 CN CN201210094674.3A patent/CN102599970B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4728333A (en) * | 1985-04-05 | 1988-03-01 | Masse Andre A | Modular prosthesis kit |
| US4862883A (en) * | 1988-04-21 | 1989-09-05 | Yosef Freeland | Interlocking intramedullary nail |
| US5116335A (en) * | 1989-09-18 | 1992-05-26 | Hannon Gerard T | Intramedullary hybrid nail and instrumentation for installation and removal |
| CN1061525A (en) * | 1990-11-23 | 1992-06-03 | 湖北省荆州地区人民医院 | Fork-shaped automatic separation formula intramedullary needle and injection-drawing out device thereof |
| EP1196101B1 (en) * | 1999-05-27 | 2004-04-07 | Jonathan Phillips | Pediatric intramedullary nail |
| CN1375264A (en) * | 2001-03-15 | 2002-10-23 | 李健民 | Humeral shaft-locking intramedullary needle |
| CN2501464Y (en) * | 2001-10-23 | 2002-07-24 | 兰州西脉记忆合金股份有限公司 | Thigh-bone intramedullary nail made by marmem and its corollary equipment |
| CN2614635Y (en) * | 2003-05-06 | 2004-05-12 | 复旦大学附属上海市第五人民医院 | Forked self-locking intramedullary nail of femur |
| CN201286761Y (en) * | 2008-11-10 | 2009-08-12 | 徐永旭 | Bone-nail removing tongs |
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| CN102599970B (en) | 2014-04-16 |
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Granted publication date: 20140416 Termination date: 20190331 |