CN102525611A - Orthopedic external forearm-fixing system and using method thereof - Google Patents
Orthopedic external forearm-fixing system and using method thereof Download PDFInfo
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- CN102525611A CN102525611A CN2010106186326A CN201010618632A CN102525611A CN 102525611 A CN102525611 A CN 102525611A CN 2010106186326 A CN2010106186326 A CN 2010106186326A CN 201010618632 A CN201010618632 A CN 201010618632A CN 102525611 A CN102525611 A CN 102525611A
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- forearm
- external fixation
- polyurethane
- fixation system
- die cavity
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Abstract
The invention relates to an orthopedic external forearm-fixing system and also a using method thereof. The orthopedic external forearm-fixing system directly enwraps a human forearm and comprises a cavity sheet with an inner cavity, and polyurethane which is arranged in the inner cavity of the cavity sheet. The orthopedic external forearm-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 forearm 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 orthopaedics external fixation is carried out at patient's forearm position, 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 provides a kind of forearm to use the orthopaedics external fixation system exactly in order to address the above problem, this orthopaedics external fixation system plastotype temperature is suitable, 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 forearm with the orthopaedics external fixation system.
The objective of the invention is to realize like this: a kind of forearm is used the orthopaedics external fixation system; Be wrapped in the fore-arm of human body; Comprise die cavity sheet with inner chamber and the polyurethane that places this die cavity sheet inner chamber; Wherein, two sides of said die cavity sheet are joined together to form the sheath shape through connecting device, directly to be wrapped in the fore-arm 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 140～310 grams.
Above-mentioned forearm is used the orthopaedics external fixation system, and wherein, said connecting device is that slide fastener or tearing are buckled.
Above-mentioned forearm is used the orthopaedics external fixation system, and wherein, the quality of said polyurethane is 140～175,250～310 grams.
Above-mentioned forearm is used the orthopaedics external fixation system, and wherein, said 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 forearm 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 140～310 grams pour in the inner chamber of die cavity sheet pusher even, launch, then it directly is wrapped in the fore-arm plastotype of human body.
Above-mentioned forearm is with the method for using of orthopaedics external fixation system, and wherein, the polyurethane slurry in the said inner chamber of pouring the die cavity sheet into is 140～175,250～310 grams.
Forearm 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 forearm 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 forearm of the present invention is wrapped in the human body fore-arm with the orthopaedics external fixation system a sketch map;
Fig. 4 is the sketch map of forearm of the present invention with the another kind of version of orthopaedics external fixation system.
The specific embodiment
Participate in Fig. 1 to Fig. 3; Forearm of the present invention comprises die cavity sheet 1 with inner chamber and the polyurethane 12 that places this die cavity sheet 1 inner chamber with the orthopaedics external fixation system; Two sides of die cavity sheet 1 are joined together to form the sheath shape through tearing button 13, and directly being wrapped in the fore-arm of human body, polyurethane 12 is mixed by 1: 0.6～0.75 mass ratio by PPG mixture and modified isocyanate; The quality of said polyurethane 12 is 140～310 grams; According to human bodily form's size, large size need be used 250～310 gram polyurethane, the small size need with 140～175 gram polyurethane.Wherein, Die cavity sheet 1 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%.
As shown in Figure 4, two sides of die cavity sheet 1 are joined together to form the sheath shape through slide fastener 13, to be wrapped in the fore-arm of human body.
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 250～310 gram polyurethane slurries; The small size need with 140～175 gram polyurethane slurries, the polyurethane slurry of appropriate amount is poured in the inner chamber of die cavity sheet after, use specific purpose tool--decide thick cylinder it pushed away even, expansion; Polyurethane slurry gets into solid-state softening section by liquid state; Be wrapped in the fore-arm of human body with the die cavity sheet this moment, zip up or cost the tearing button after, cooperate by hand that the retractility of die cavity self is moulding to make it fit in forearm; 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.
Forearm 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 forearm is used the orthopaedics external fixation system, directly is wrapped in the fore-arm of human body, it is characterized in that, this orthopaedics external fixation system comprises die cavity sheet with inner chamber and the polyurethane that places this die cavity sheet inner chamber, wherein,
Two sides of said die cavity sheet are joined together to form the sheath shape through connecting device, directly to be wrapped in the fore-arm 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 140～310 grams.
2. forearm as claimed in claim 1 is used the orthopaedics external fixation system, it is characterized in that, said connecting device is that slide fastener or tearing are buckled.
3. according to claim 1 or claim 2 forearm is used the orthopaedics external fixation system, it is characterized in that, the quality of said polyurethane is 140～175,250～310 grams.
4. according to claim 1 or claim 2 forearm is used the orthopaedics external fixation system, it is characterized in that, said die cavity sheet is processed by the flexible material that does not change the body surface potential difference and have a retractility.
5. a forearm 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 140～310 grams pour in the inner chamber of die cavity sheet pusher even, launch, then it directly is wrapped in the fore-arm plastotype of human body.
6. like the method for using of the said forearm of claim 5, it is characterized in that the polyurethane slurry in the said inner chamber of pouring the die cavity sheet into is 140～175,250～310 grams with the orthopaedics external fixation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106186326A CN102525611A (en) | 2010-12-31 | 2010-12-31 | Orthopedic external forearm-fixing system and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106186326A CN102525611A (en) | 2010-12-31 | 2010-12-31 | Orthopedic external forearm-fixing system and using method thereof |
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| Publication Number | Publication Date |
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| CN102525611A true CN102525611A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106186326A Pending CN102525611A (en) | 2010-12-31 | 2010-12-31 | Orthopedic external forearm-fixing system and using method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105816265A (en) * | 2016-05-23 | 2016-08-03 | 上海优创医疗器械技术有限公司 | Rigid molding technology for forearm of human body |
| CN105943229A (en) * | 2016-05-23 | 2016-09-21 | 诸燮平 | Rigid modeling technology used for whole legs of human body |
| CN105943230A (en) * | 2016-05-23 | 2016-09-21 | 诸燮平 | Rigid modeling technology used for whole arms of human body |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN2010106186326A patent/CN102525611A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105816265A (en) * | 2016-05-23 | 2016-08-03 | 上海优创医疗器械技术有限公司 | Rigid molding technology for forearm of human body |
| CN105943229A (en) * | 2016-05-23 | 2016-09-21 | 诸燮平 | Rigid modeling technology used for whole legs of human body |
| CN105943230A (en) * | 2016-05-23 | 2016-09-21 | 诸燮平 | Rigid modeling technology used for whole arms of human body |
| CN105816265B (en) * | 2016-05-23 | 2018-02-09 | 上海优创医疗器械技术有限公司 | A kind of rigid formations for human body forearm |
| CN105943230B (en) * | 2016-05-23 | 2018-05-18 | 诸燮平 | A kind of rigid formations for the full arm of human body |
| CN105943229B (en) * | 2016-05-23 | 2018-06-26 | 诸燮平 | A kind of rigid formations for the full leg of human body |
| 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 |