CN1060398A - Claw-type steel plate series for internal fixation of fracture - Google Patents
Claw-type steel plate series for internal fixation of fracture Download PDFInfo
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- CN1060398A CN1060398A CN 91108519 CN91108519A CN1060398A CN 1060398 A CN1060398 A CN 1060398A CN 91108519 CN91108519 CN 91108519 CN 91108519 A CN91108519 A CN 91108519A CN 1060398 A CN1060398 A CN 1060398A
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Abstract
A kind of claw-type steel plate series for internal fixation of fracture, be arranged to plurality of specifications according to various bone shapes, wherein can be arranged to have four, five, six, eight, ten, 12 press jaw by its different length, and the length of press jaw can be arranged to equate and do not wait, board can be arranged to straight in the middle of it, or at one end L-shapedly stretch out a nail portion, be angle about also can being arranged to; The claw type steel plate is arranged to variable cross-section, the thin variable cross-section of webbing in wherein all being along direction in length and breadth; The claw type steel plate selects for use multiple material to make; Be provided with the kit apparatus that is used to load and unload the claw type steel plate.
Description
The present invention relates to a kind of orthopaedics interior fixed apparatus of implant into body, just be applicable to the claw-type steel plate series for internal fixation of extremity and other partial fractures.
As everyone knows, comprehensive raising along with metallurgy, machining, biology and Medical Technology, the synthetism mode that tradition fixes by means of Gypsum Fibrosum, clamping plate etc. progressively is used broken ends of fractured bone metallic plate and substitutes, and and then development and update and be compression steel plate, make fracture place have the certain pressure that displacement brings, like this, not only can promote immediate union, and can also prevent that the patient of other diseases from leading to complications.Practice shows that this technology can make the patient reach early down really and bear a heavy burden and rehabilitation early ground, morning, so recent two decades also promotes the use of widely in China.
Notification number is that the Chinese utility model patent (application number 88217808.3) of CN2048741U discloses a kind of arc memory bone fracture device that pressurizes automatically, this bone fracture device is made with Nitinol, it by two ends add layer, four semi-rings add layer and the waist by the waist hole is formed.Its transformation temperature is 37 ℃, and (0～4 ℃) is easy to moulding deformation at low temperatures, makes operation become simple, save time and easily dissect and resets, and especially can create the key condition that promotes knitting to the automatic continuous pressurization of bone stump.This bone fracture device is specially adapted to cross-section, inclined-plane and comminuted chi, the fracture of radius and bone does not connect.In addition, postoperative need not any external fixation, helps early functional exercise and recovery.
To sum up above-mentioned, the advantage of this pressurization bone fracture device is significant, but its suitability is relatively poor, and for example material only limits to niti-shaped memorial alloy, thereby price is higher, and and for example specification is single has only two pawls, makes it mainly be applicable to thinner chi, the fracture of radius.In addition, bone fracture device to be seated in during use in 0～4 ℃ the frozen water, comparatively time-consuming, fixedly during bone fracture device entirely with finger manipulation, because of no kit, fixedly connected work is comparatively required great effort, bending is fixing then inaccessible firm and solid.
Task of the present invention is, provide a kind of perform the operation simple and easy, price is lower, internal fixation is accurately firm and solid, the claw type steel plate series of osteonecrosis does not take place, to be applicable to the fracture of extremity and other parts.
Task of the present invention is finished by following technique measures, according to various bone shapes the claw type steel plate of plurality of specifications is set, and makes it become series for using in art; The claw type steel plate is arranged to variable cross-section, for example adopts along the thin variable cross-section steel plates of webbing during direction all is in length and breadth to meet the orthopedic biomechanics principle, makes that armor plate strength is good, light weight and easy to process; The claw type steel plate is selected multiple material for use, and for example titanium alloy, pure titanium and rustless steel satisfy different needs to reduce price; Be provided for loading and unloading the kit apparatus of claw type steel plate, so that the operator handled easily guarantees fixing firm and solid.
Claw type steel plate of the present invention is with the outstanding advantage that straight shape steel plate is compared, the contact surface of itself and bone stump is less, is difficult for taking place the osteonecrosis phenomenon, and is more convenient to the comminuted fracture treatment simultaneously, the postoperative para-position is accurate, makes bone easily return to the original biomethanics structure of human body.The favourable technical measures of this respect also have, and surface of steel plate is provided with spraying AL
2O
3Technology reduces the contact site of steel plate and bone whereby, increases blood circulation, thereby can reduce the osteonecrosis phenomenon.
Claw type steel plate of the present invention is particularly conducive to the thick patient of treatment skeleton, and available one deck this moment also available two layers or three-ply plate are wanted difficulty because adopt steel plate to operate than sheet metal in art, how also can reach the purpose of gaining in strength with one to two layer of steel plate.Because steel plate series has different-thickness, different claw type size, different pawl number and Different L type L-square, promptly prepare by different size, so just not only help making it to make industrialization and standardization, select one or two for use but also be convenient in art, look situations such as patient's skeletal sites, power, thickness, make fixedly to reach firm and solid reliable.
By means of following specific embodiment claw type steel plate series of the present invention is further described now.
Wherein:
Fig. 1 represents rectangle claw type steel plate;
Fig. 2 represents L shaped claw type steel plate;
Fig. 3 represent trapezoidal claw type steel plate and
Fig. 4 represents angle claw type steel plate.
Rectangle claw type steel plate shown in Figure 1 is made by a steel plate, and board is provided with two fixing holes of placing the synthetism nail in the middle of it.Respectively be provided with eight shaping press jaw from the board both sides, its shape with want clamping bone shape to adapt.The seriation of this claw type steel plate can be applicable to respectively that humerus is done, chi, radius, the palm (sole of the foot) bone, phalanges, pelvis edge and pubic symphysis, femoral shaft.Its length range is 15～160 millimeters, and width range is 25～110 millimeters, and thickness range is 1～2.5 millimeter.
L shaped claw type steel plate shown in Figure 2, L shaped being meant in that its board one end is L-shaped stretched out a nail portion, and diagram board and nail portion are 110 ° of angles.Respectively be provided with six shaping press jaw from the board both sides.The seriation of this claw type steel plate is applicable to fracture of the surgical neek of the humerus.Its board length range is 70～80 millimeters, and nail minister degree scope is 40～45 millimeters, and width is 65 millimeters, and thickness is 1.5～2.0 millimeters.
Trapezoidal claw type steel plate shown in Figure 3 respectively is provided with eight shaping press jaw from its board both sides, wherein also can be arranged to make its board width constant, and claw then is the structure of unequal length.This claw type steel plate series is fixing applicable to fracture of lower end of humerus.Its length range is 70～80 millimeters, and width one end is 65 millimeters, and the other end is 75～80 millimeters, and thickness is 1.5～2.0 millimeters.
Angle claw type steel plate shown in Figure 4 is 155 ° of angles about its board, board both sides, the left and right sides respectively are provided with four shaping press jaw.This claw type steel plate series is fixing applicable to clavicular fracture.Its length range is 50～60 millimeters, and width range is 35～40 millimeters, and thickness is 1.5～2.0 millimeters.
Above-mentioned all claw type steel plate series all are arranged to meet biomechanical principle by the stressed principle of equal strength, promptly at bearing position uniform thickness dry plate not, bearing position is that variable cross-section steel plates is made with the thin thick middle of the thin thick middle in both sides and two, reaching fixing firm and solid, and easy to operate.The middle part thickness of above-mentioned variable cross-section steel plates is 2～5 millimeters, and end position thickness then is 1.5～2 millimeters.
Because the histocompatibility of memorial alloy and human body is better than medical stainless steel, claw type steel plate series of the present invention comprises that also the employing memorial alloy makes.
The invention described above claw type steel plate series can be arranged to have four, five, six, eight, ten, 12 press jaw by its different length, and these press jaw can be arranged to isometric and not isometric again, thereby makes it have the maximum scope of application.
Claims (5)
1, a kind of claw-type steel plate series for internal fixation of fracture, each claw type steel plate is made by a steel plate, board is provided with the fixing hole of placing the synthetism nail in the middle of it, then be provided with the press jaw of shaping from the board both sides, it is characterized in that, the claw type steel plate series is arranged to plurality of specifications according to various bone shapes, wherein can be arranged to have four by its different length, five, six, eight, ten, 12 press jaw, and the length of press jaw can be arranged to equate and do not wait, what board can Cheng Zhi in the middle of it, or at one end L-shapedly stretch out a nail portion, be angle about also can being arranged to; The claw type steel plate is arranged to variable cross-section, the thin variable cross-section of webbing in wherein all being along direction in length and breadth; The claw type steel plate selects for use multiple material to make; Be provided with the kit apparatus that is used to load and unload the claw type steel plate.
2, by the claw type steel plate series of claim 1, it is characterized in that the claw type steel plate can be arranged to rectangular, L shaped, trapezoidal and angle.
3, by the claw type steel plate series of claim 1, it is characterized in that the middle part thickness of variable cross-section steel plates is 2～5 millimeters, end position thickness then is 1.5～2 millimeters.
4, by the claw type steel plate series of claim 1, it is characterized in that the material of claw type steel plate can be selected titanium alloy, pure titanium, rustless steel and memorial alloy for use.
5, by each claw type steel plate series in the claim 1～4, it is characterized in that surface of steel plate is provided with spraying AL
2O
3Technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91108519 CN1060398A (en) | 1991-08-30 | 1991-08-30 | Claw-type steel plate series for internal fixation of fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91108519 CN1060398A (en) | 1991-08-30 | 1991-08-30 | Claw-type steel plate series for internal fixation of fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1060398A true CN1060398A (en) | 1992-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91108519 Pending CN1060398A (en) | 1991-08-30 | 1991-08-30 | Claw-type steel plate series for internal fixation of fracture |
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| CN (1) | CN1060398A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103919601A (en) * | 2014-04-17 | 2014-07-16 | 泰州市中兴医械科技有限公司 | Humerus straight protection steel board |
| CN103919602A (en) * | 2014-04-17 | 2014-07-16 | 泰州市中兴医械科技有限公司 | Ulna thread-type protection steel plate |
| US20210282958A1 (en) * | 2020-03-11 | 2021-09-16 | Jacob Giordana | Finger splint for pip immobilization |
-
1991
- 1991-08-30 CN CN 91108519 patent/CN1060398A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103919601A (en) * | 2014-04-17 | 2014-07-16 | 泰州市中兴医械科技有限公司 | Humerus straight protection steel board |
| CN103919602A (en) * | 2014-04-17 | 2014-07-16 | 泰州市中兴医械科技有限公司 | Ulna thread-type protection steel plate |
| US20210282958A1 (en) * | 2020-03-11 | 2021-09-16 | Jacob Giordana | Finger splint for pip immobilization |
| US11944565B2 (en) * | 2020-03-11 | 2024-04-02 | Jacob Giordana | Finger splint for PIP immobilization |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |