CN102525610A - Orthopedic external leg-fixing system and using method thereof - Google Patents
Orthopedic external leg-fixing system and using method thereof Download PDFInfo
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- CN102525610A CN102525610A CN2010106186256A CN201010618625A CN102525610A CN 102525610 A CN102525610 A CN 102525610A CN 2010106186256 A CN2010106186256 A CN 2010106186256A CN 201010618625 A CN201010618625 A CN 201010618625A CN 102525610 A CN102525610 A CN 102525610A
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- shank
- polyurethane
- external fixation
- die cavity
- fixation system
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Abstract
The invention relates to an orthopedic external leg-fixing system. The orthopedic external leg-fixing system directly enwraps a human leg and comprises a leg cavity sheet with an inner cavity, and polyurethane which is arranged in the inner cavity of the leg cavity sheet, wherein two side ends of the leg cavity sheet are connected together through a connecting device to form a sheath shape. The orthopedic external leg-fixing system is controlled at the temperature of 39 DEG C during molding, so that cardiovascular and cerebrovascular diseases or skin burn of some patients due to hyperthermia can be avoided and the treatment of a case which requires external fixation becomes convenient and simple; and the cavity does not change the biological potential difference of the body surface and is made of a telescopic material, so that the skin allergy can be avoided.
Description
Technical field
The present invention relates to orthopaedics external fixation field, relate in particular to a kind of shank with orthopaedics external fixation system and method for using thereof.
Background technology
At publication number is in the application for a patent for invention of CN101906202A, " a kind of polyurethane for orthopedic external fixation system in complicated environment and preparation method thereof " by name; A kind of polyurethane that is used for the orthopaedics external fixation system is disclosed; This polyurethane is reacted by 1: 0.6～0.75 weight ratio by PPG mixture and modified isocyanate and makes; Said polyurethane cooperates die cavity to use, and can handle the reluctant complex region of plaster fixation and fix, and has enough rigidity, intensity; Again can transmitted X-rays, can clearly understand the situation of fracture site recovery from illness; Also be convenient to simultaneously breathe freely, clean, medical personnel can shirk to clean and to handle the skin surface of injury according to needs of patients freely, demonstrate fully the hommization treatment.
Also there are many Study on thinning parts that needs in above-mentioned orthopaedics external fixation system to the orthopaedics external fixation of human body different parts when reality is used.For example the patient is carried out the shank orthopaedics external fixation of (comprising thigh and shank), when plastotype since PPG mixture and modified isocyanate mix can heat release, too high as if temperature, can cause patient's epidermis to burn or cause cardio-cerebrovascular diseases; Flexible cavity if the material that adopts does not suit, may cause patient skin allergy etc. owing to be directly with contact skin.
Summary of the invention
The object of the invention; Provide a kind of shank to use the orthopaedics external fixation system exactly in order to address the above problem; This shank is suitable with orthopaedics external fixation system plastotype temperature, and die cavity adopts the elastomeric material that does not change the body surface potential difference, the situation of skin allergy can not occur.
The present invention also provides the method for using of a kind of above-mentioned shank with the orthopaedics external fixation system.
The objective of the invention is to realize like this: a kind of shank is used the orthopaedics external fixation system; Comprise shank die cavity sheet with inner chamber and the polyurethane that places this shank die cavity sheet inner chamber; Two sides of said shank die cavity sheet are joined together to form the sheath shape through connecting device; Directly be wrapped in the shank place of human body, said polyurethane is mixed by 1: 0.6～0.75 mass ratio by PPG mixture and modified isocyanate, and the quality of said polyurethane is 580～1100 grams.
Above-mentioned shank is used the orthopaedics external fixation system, and wherein, the quality of said polyurethane is 580～710,740～920,930～1100 grams.
Above-mentioned shank is used the orthopaedics external fixation system, and wherein, said connecting device is that slide fastener or tearing are buckled.
Above-mentioned shank is used the orthopaedics external fixation system, and wherein, said shank die cavity sheet is processed by the flexible material that does not change the body surface potential difference and have a retractility.
The present invention also provides the method for using of a kind of above-mentioned shank with the orthopaedics external fixation system, may further comprise the steps:
PPG mixture and modified isocyanate are mixed by 1: 0.6～0.75 mass ratio; Make polyurethane slurry after stirring; With the polyurethane slurry of 580～1100 grams pour in the inner chamber of shank die cavity sheet pusher even, launch, then it is wrapped in the shank plastotype.
Above-mentioned shank is with the method for using of orthopaedics external fixation system, and wherein, the polyurethane slurry in the said inner chamber of pouring shank die cavity sheet into is 580～710,740～920,930～1100 grams.
Shank of the present invention is used the orthopaedics external fixation system; Temperature is controlled at 39 ℃ during plastotype; Avoided some patient because of overheated cardio-cerebrovascular diseases or the skin burn of bringing out; Make and handle the external fixation case and become convenient, simple,, the situation of skin allergy can not occur because die cavity is processed by the material that does not change body surface bio electricity potential difference and have a retractility.
Description of drawings
Fig. 1 is the structural representation of shank of the present invention with the orthopaedics external fixation system;
Fig. 2 is a schematic partial cross-sectional view among Fig. 1;
Fig. 3 is shank of the present invention is wrapped in the human body shank with the orthopaedics external fixation system a sketch map.
The specific embodiment
Participate in Fig. 1 to Fig. 3; Shank of the present invention comprises the shank die cavity sheet 11 with inner chamber and places this shank die cavity sheet 11 inner chamber polyurethane 12 that two sides of this shank die cavity sheet 11 are joined together to form the sheath shape through connecting device 13, directly are wrapped in the shank of human body with the orthopaedics external fixation system; This connecting device 13 is a slide fastener; Also can be tearing button (not drawing among the figure), polyurethane 12 be mixed by 1: 0.6～0.75 mass ratio by PPG mixture and modified isocyanate, and the quality of said polyurethane 12 is 580～1100 grams; Size according to the human bodily form; Large size need be used 930～1100 gram polyurethane, and medium size need be used 740～920 gram polyurethane, the small size need with 580～710 gram polyurethane.Wherein, Shank die cavity sheet 11 is processed by the flexible material that does not change the body surface potential difference and have a retractility; Like the knitted fabric (like cotton 70%, corn fiber 30%) of pure cotton knitted fabric or cotton and the multiple ratio blending of corn fiber or the linen-cotton knitted fabric of cotton and numb multiple ratio blending (as cotton 70%, numb 30%), this material retractility can reach 15%.
Embodiment 1
PPG mixture and the modified isocyanate mass ratio by 1: 0.6 is mixed, make polyurethane slurry after stirring, according to the size of body shaped; Large size need be used 930～1100 gram polyurethane slurries, and medium size need be used 740～920 gram polyurethane slurries, the small size need with 580～710 gram polyurethane slurries; After the polyurethane slurry of appropriate amount being poured in the inner chamber of shank die cavity sheet; Use specific purpose tool--fixed thick cylinder pushes away even, expansion with it, and polyurethane slurry gets into solid-state softening section by liquid state, and be wrapped in shank with the shank die cavity this moment; Behind the zip up; Cooperate by hand that the retractility of die cavity self is moulding to make it fit in shank, after the patient injury kept motionless some minutes, die cavity hardened into voluntarily and rigidly fixes cover.
Embodiment 2
PPG mixture and modified isocyanate mix by 1: 0.62 mass ratio, and all the other steps are identical with embodiment 1.
Embodiment 3
PPG mixture and modified isocyanate mix by 1: 0.65 mass ratio, and all the other steps are identical with embodiment 1.
Embodiment 4
PPG mixture and modified isocyanate mix by 1: 0.66 mass ratio, and all the other steps are identical with embodiment 1.
Embodiment 5
PPG mixture and modified isocyanate mix by 1: 0.68 mass ratio, and all the other steps are identical with embodiment 1.
Embodiment 6
PPG mixture and modified isocyanate mix by 1: 0.7 mass ratio, and all the other steps are identical with embodiment 1.
Embodiment 7
PPG mixture and modified isocyanate mix by 1: 0.73 mass ratio, and all the other steps are identical with embodiment 1.
Embodiment 8
PPG mixture and modified isocyanate mix by 1: 0.75 mass ratio, and all the other steps are identical with embodiment 1.
Shank of the present invention meets the anatomical physiology requirement fully with the orthopaedics external fixation system; The plastotype temperature is no more than 39 ℃; Avoided some patient to bring out cardio-cerebrovascular diseases or patient's epidermis is burnt because of overheated; Adopt the material that does not change body surface bio electricity potential difference and have retractility, avoided the generation of skin allergy situation.
Above embodiment only supplies to explain the present invention's usefulness; But not limitation of the present invention; The technical staff in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification; Therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited each claim.
Claims (6)
1. a shank is used the orthopaedics external fixation system; It is characterized in that; Comprise shank die cavity sheet with inner chamber and the polyurethane that places this shank die cavity sheet inner chamber, two sides of said shank die cavity sheet are joined together to form the sheath shape through connecting device, directly are wrapped in the shank place of human body; Said polyurethane is mixed by 1: 0.6～0.75 mass ratio by PPG mixture and modified isocyanate, and the quality of said polyurethane is 580～1100 grams.
2. shank as claimed in claim 1 is used the orthopaedics external fixation system, it is characterized in that, the quality of said polyurethane is 580～710,740～920,930～1100 grams.
3. according to claim 1 or claim 2 shank is used the orthopaedics external fixation system, it is characterized in that said connecting device is that slide fastener or tearing are buckled.
4. shank as claimed in claim 3 is used the orthopaedics external fixation system, it is characterized in that, said shank die cavity sheet is processed by the flexible material that does not change the body surface potential difference and have a retractility.
5. a shank is characterized in that with the method for using of orthopaedics external fixation system, may further comprise the steps:
PPG mixture and modified isocyanate are mixed by 1: 0.6～0.75 mass ratio; Make polyurethane slurry after stirring; With the polyurethane slurry of 580～1100 grams pour in the inner chamber of shank die cavity sheet pusher even, launch, then it is wrapped in the shank plastotype.
6. like the method for using of the said shank of claim 5, it is characterized in that the polyurethane slurry in the said inner chamber of pouring shank die cavity sheet into is 580～710,740～920,930～1100 grams with the orthopaedics external fixation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106186256A CN102525610A (en) | 2010-12-31 | 2010-12-31 | Orthopedic external leg-fixing system and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106186256A CN102525610A (en) | 2010-12-31 | 2010-12-31 | Orthopedic external leg-fixing system and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102525610A true CN102525610A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106186256A Pending CN102525610A (en) | 2010-12-31 | 2010-12-31 | Orthopedic external leg-fixing system and using method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796225A (en) * | 2016-05-23 | 2016-07-27 | 诸燮平 | Rigid modeling process used for abdomen-connected legs of human body |
| CN105832456A (en) * | 2016-05-23 | 2016-08-10 | 上海优创医疗器械技术有限公司 | Rigid molding process used for shanks of human body |
| CN107616562A (en) * | 2017-10-16 | 2018-01-23 | 福建铁工机智能机器人有限公司 | A kind of knee-pad for pressing the customization of knee shape and preparation method thereof |
| WO2022252406A1 (en) * | 2021-06-02 | 2022-12-08 | 宁波宝亭生物科技有限公司 | Two-component polyurethane composition, preparation method therefor, and use thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280489A (en) * | 1978-04-06 | 1981-07-28 | Johnson Jr Glenn W | Ankle brace |
| CN101279110A (en) * | 2008-05-29 | 2008-10-08 | 诸燮平 | Novel bone surgery fixing system and method of use thereof and polyurethane applied therein |
| CN101906202A (en) * | 2009-06-02 | 2010-12-08 | 诸燮平 | Polyurethane for orthopedic external fixation system in complicated environment and preparation method thereof |
-
2010
- 2010-12-31 CN CN2010106186256A patent/CN102525610A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280489A (en) * | 1978-04-06 | 1981-07-28 | Johnson Jr Glenn W | Ankle brace |
| CN101279110A (en) * | 2008-05-29 | 2008-10-08 | 诸燮平 | Novel bone surgery fixing system and method of use thereof and polyurethane applied therein |
| CN101906202A (en) * | 2009-06-02 | 2010-12-08 | 诸燮平 | Polyurethane for orthopedic external fixation system in complicated environment and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796225A (en) * | 2016-05-23 | 2016-07-27 | 诸燮平 | Rigid modeling process used for abdomen-connected legs of human body |
| CN105832456A (en) * | 2016-05-23 | 2016-08-10 | 上海优创医疗器械技术有限公司 | Rigid molding process used for shanks of human body |
| CN105832456B (en) * | 2016-05-23 | 2018-04-03 | 上海优创医疗器械技术有限公司 | A kind of rigid formations for human calf portion |
| CN107616562A (en) * | 2017-10-16 | 2018-01-23 | 福建铁工机智能机器人有限公司 | A kind of knee-pad for pressing the customization of knee shape and preparation method thereof |
| WO2022252406A1 (en) * | 2021-06-02 | 2022-12-08 | 宁波宝亭生物科技有限公司 | Two-component polyurethane composition, preparation method therefor, and use thereof |
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Application publication date: 20120704 |