CN105232205A - Four-piece type limb splint and manufacturing method thereof - Google Patents
Four-piece type limb splint and manufacturing method thereof Download PDFInfo
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- CN105232205A CN105232205A CN201510750907.4A CN201510750907A CN105232205A CN 105232205 A CN105232205 A CN 105232205A CN 201510750907 A CN201510750907 A CN 201510750907A CN 105232205 A CN105232205 A CN 105232205A
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Abstract
The invention discloses a four-piece type limb splint and a manufacturing method thereof. The four-piece type limb splint comprises a front-side splint body, a rear-side splint body, an inner-side splint body, an outer-side splint body and a winding belt. The face curvatures of the front-side splint body, the rear-side splint body, the inner-side splint body and the outer-side splint body are matched with the curvatures of the front side surface, the rear side surface, the inner side surface and the outer side surface of the limb respectively. The front-side splint body, the rear-side splint body, the inner-side splint body and the outer-side splint body are connected and fixed to the corresponding positions of the limb through the winding belt to surround and pressurize the limb. When the limb of a patient is fixed practically, the contours of the four splint bodies adapt to the surface contours of limb installation portions, the four splint bodies are placed to the corresponding portions of the limb and tightly bound through the winding belt, a patient feels comfortable when wearing the splint, individuation is high, and the four-piece type limb splint is applicable to different individuals and comfortable to wear. The manufacturing method is used for manufacturing the four-piece type limb splint, and side wall curvature adaptability of the manufactured split bodies is good, individuation is high, and the patient feels comfortable when wearing the splint.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of four-piece type limb clamp plate and preparation method thereof.
Background technology
Limb fracture such as forearm fracture, fracture of upper arm, fracture of lower leg, fracture of thigh are the common class fracture of orthopaedics.When limb fracture patient is treated, generally by Boards wall to fracture on the limbs that resetted and to coordinate incremental functional exercise, be beneficial to fracture site and heal under the condition of geo-stationary, promote union of fracture and limb functional recover.Traditional, adopt easy lamellar clamping plate to be fixed patient limb.But lamellar clamping plate exist and make non-individuation phenomenon in manufacturing process, patient dress uncomfortable, experience bad, and different individual patient can not be adapted to, bring unnecessary puzzlement to the wearing of patient, rehabilitation, limit Clinical practice.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, a kind of personalization be provided, Different Individual can be adapted to, the four-piece type limb clamp plate of wearing comfort and preparation method thereof.
Its technical scheme is as follows:
A kind of four-piece type limb clamp plate, comprise front side clamping plate, rear side clamping plate, inner side clamping plate, outside clamping plate and take-up strap, the plate face curvature of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate matches with the curvature of limbs front side surface, rear side surface, inner surface and outer surface respectively, described front side clamping plate, rear side clamping plate, inner side clamping plate, outside clamping plate are fastened on limbs corresponding section by described take-up strap with formed to limbs around pressurization.
Wherein in an embodiment, described four-piece type limb clamp plate also comprises the front side pad, rear side pad, inboard washer, the outside pad that match with described front side clamping plate, rear side clamping plate, inner side clamping plate, outside clamping plate respectively, is installed on the inner side of described front side clamping plate, rear side clamping plate, inner side clamping plate, outside clamping plate when described front side pad, rear side pad, inboard washer, outside pad use respectively.
Wherein in an embodiment, described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate all offer at least one first ventilative through hole, the corresponding section of described front side pad, rear side pad, inboard washer, outside pad and described front side clamping plate, rear side clamping plate, inner side clamping plate, outside clamping plate all offers at least one second ventilative through hole.
Wherein in an embodiment, the front end of described inner side clamping plate and outside clamping plate exceedes limbs joint position, and the plate face curvature and the limbs joint position curvature of described inner side clamping plate and clamping plate front end, outside match.
Wherein in an embodiment, described four-piece type limb clamp plate also comprises pressure gauge, signal processing apparatus and display terminal, described pressure gauge is electrically connected with described signal processing apparatus, and described signal processing apparatus is electrically connected by wired or wireless and described display terminal;
Described pressure gauge is fixed on the medial surface of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate, for measuring described take-up strap to the tighten pressure of limbs or/and patients with functional exercise's number of times;
Described signal processing apparatus is fixed on described front side clamping plate, rear side clamping plate, inner side clamping plate or outside clamping plate, and the signal for obtaining described pressure gauge measurement carries out process transmission;
The signal that described display terminal transmits for storing the described signal processing apparatus of display.
Wherein in an embodiment, described pressure gauge comprises multiple foil gauge, multiple described foil gauge interval is fixed on the medial surface of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate, described display terminal is APP mobile terminal, described APP mobile terminal comprises acquisition module for gathering described signal processing apparatus gained signal, for storing the signal collected memory module of described acquisition module, and for showing signal collected display module.
Wherein in an embodiment, described take-up strap is many, described take-up strap is elastic adjustable take-up strap, and the lateral surface of described take-up strap is provided with pressure indicateing arm, and described take-up strap is fixedly mounted on the lateral surface of described front side clamping plate, rear side clamping plate, inner side clamping plate or outside clamping plate.
Wherein in an embodiment, the outward flange of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate is abate edge, and the bore edges of the described first ventilative through hole is abate edge.
Wherein in an embodiment, described front side pad, rear side pad, inboard washer and outside pad are made by silica gel material or sponge material.
Make a method for four-piece type limb clamp plate described above, comprise the following steps:
Mark a little respectively in the front side of limbs installation position, rear side, inner side and outside, and carry out 3-D scanning, obtain the polygon data model on surface, limbs installation position;
Create the threedimensional model of each side of limbs, and carry out surface fitting and surface trimming, obtain the physical model of front side clamping plate, rear side clamping plate, inner side clamping plate and the outside clamping plate matched with limbs installation position surface curvature;
Feature pruning is carried out to described physical model, obtains the analogue formation of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate;
Described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate are made according to described analogue formation.
Beneficial effect of the present invention is:
The plate face curvature of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate matches with the curvature of limbs front side surface, rear side surface, inner surface and outer surface respectively, when reality is fixed limbs of patient, profile and the limbs installation position surface profile of four pieces of clamping plate adapt, four pieces of clamping plate are placed on limbs corresponding site respectively and by take-up strap tighten, patient's wearing comfort, personalized strong, can Different Individual be applicable to, wearing comfort.
The manufacture method of described four-piece type limb clamp plate, can produce the front side clamping plate, rear side clamping plate, inner side clamping plate and the outside clamping plate that match with limbs installation position surface curvature easily, and each clamping plate sidewall curvature adaptability is good, personalized strong, patient's wearing comfort.
Accompanying drawing explanation
Fig. 1 is the structural representation of the front side clamping plate of the four-piece type limb clamp plate described in the embodiment of the present invention;
Fig. 2 is the structural representation of the rear side clamping plate of the four-piece type limb clamp plate described in the embodiment of the present invention;
Fig. 3 is the structural representation of the inner side clamping plate of the four-piece type limb clamp plate described in the embodiment of the present invention;
Fig. 4 is the structural representation of the outside clamping plate of the four-piece type limb clamp plate described in the embodiment of the present invention;
Fig. 5 is the control circui schematic diagram of the four-piece type limb clamp plate described in the embodiment of the present invention;
Fig. 6 is a kind of schematic flow sheet making the method for four-piece type limb clamp plate described in the embodiment of the present invention.
Description of reference numerals:
10, front side clamping plate, 20, rear side clamping plate, 30, inner side clamping plate, 40, outside clamping plate, 50, take-up strap, the 510, pressure indicateing arm, 60, first ventilative through hole, 70, pressure gauge, 80, signal processing apparatus, 90, display terminal, 910, acquisition module, 920, memory module, 930, display module.
Detailed description of the invention
Below embodiments of the invention are described in detail:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of four-piece type limb clamp plate, comprise front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30, outside clamping plate 40 and take-up strap 50, described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 match with the curvature of limbs front side surface, rear side surface, inner surface and outer surface respectively with the plate face curvature of outside clamping plate 40, described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30, outside clamping plate 40 are fastened on limbs corresponding section by described take-up strap 50 with formation to limbs around pressurization.Described limbs front side surface refers to and the surface corresponding to the back of the hand or instep, rear side surface refers to and the surface corresponding to palm or heel, near the surface corresponding to the side of another one leg when inner surface refers to and stood in the surface of palm upwards corresponding to little finger side or lower limb, away from the surface corresponding to the side of another one leg when outer surface refers to and is stood in the surface of palm upwards corresponding to thumb side or lower limb.Described take-up strap can be fixed on described curvature clamping plate 10, also independently can exist and not be connected with described curvature clamping plate 10.Described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 match with the curvature of limbs front side surface, rear side surface, inner surface and outer surface respectively with the plate face curvature of outside clamping plate 40, when reality is fixed limbs of patient, profile and the limbs installation position surface profile of four pieces of clamping plate adapt, four pieces of clamping plate are placed on limbs corresponding site respectively and by take-up strap 50 tighten, patient's wearing comfort, personalized strong, can Different Individual be applicable to.Preferably, described take-up strap 50 is many, described take-up strap 50 is elastic adjustable take-up strap, the lateral surface of described take-up strap 50 is provided with pressure indicateing arm 510, described take-up strap 50 is fixedly mounted on the lateral surface of described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 or outside clamping plate 40, has illustrated that described take-up strap 50 is arranged on a kind of situation on described front side clamping plate 10 in Fig. 1.Be fixedly mounted on by many take-up straps 50 on a certain clamping plate, take-up strap 50 is not easily lost, and it is convenient, simple to operate to be wound around when wrapping up limbs of patient.Described take-up strap 50 is elastic adjustable take-up strap, and lateral surface is also provided with pressure indicateing arm 510, and operator easily and effectively can regulate clamping plate to the tighten pressure of limbs according to pressure indicateing arm 510.Matched with each clamping plate by take-up strap 50, described four-piece type limb clamp plate is personalized strong, can adapt to Different Individual, and patient's wearing comfort is convenient.
Described inner side clamping plate 30 exceed limbs joint position with the front end of outside clamping plate 40, and the plate face curvature and the limbs joint position curvature of described inner side clamping plate 30 and outside clamping plate 40 front end match.Described inner side clamping plate 30 are used for the joint part of fixing human limbs, as the wrist joint of forearm, the elbow joint, shank ankle etc. of upper arm front end with the front end of outside clamping plate 40.General, after human body limb fracture, the slippage of fracture site left and right need be prevented, by inner side clamping plate 30 are become to exceed limbs joint position with the Front-end Design of outside clamping plate 40, thus form the space holding limbs joint position, prevent fracture site from left and right slippage occurring, and patient can not be hindered to carry out normal function exercise, patient's quick recovery can be promoted.In addition, the plate face curvature and the limbs joint position curvature of inner side clamping plate 30 and outside clamping plate 40 front end match, patient's wearing comfort.
Described four-piece type limb clamp plate also comprises the front side pad, rear side pad, inboard washer, the outside pad (not shown) that match with described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30, outside clamping plate 40 respectively, is installed on the inner side of described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30, outside clamping plate 40 when described front side pad, rear side pad, inboard washer, outside pad use respectively.Structure and the corresponding clamping plate of each pad match, namely the sidewall curvature of described front side pad, rear side pad, inboard washer and outside pad also matches with limbs installation position curvature, actual to patient carry out tighten fix time, each pad is between limbs of patient and each clamping plate, limbs local pressure comparatively large regions can be alleviated, clamping plate are fitted human body more, patient's wearing comfort.Preferably, described front side pad, rear side pad, inboard washer and outside pad are made by silica gel material or sponge material, good springiness, and effectively can alleviate the larger problem of local pressure, human body coating performance is good.Described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 and outside clamping plate 40 all offer at least one first ventilative through hole 60, and the corresponding section of described front side pad, rear side pad, inboard washer, outside pad and described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30, outside clamping plate 40 all offers at least one second ventilative through hole.By each clamping plate and each pad arrange ventilative through hole, patient can four-piece type limb clamp plate described in worn for long periods the present embodiment, and patient skin has good breathability, is easy to rehabilitation and wearing comfort.The outward flange of described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 and outside clamping plate 40 is abate edge, and the bore edges of the described first ventilative through hole 60 is abate edge.To the outward flange of each clamping plate and on the bore edges of ventilative through hole all carry out abate process, when each clamping plate contact with limb skin, can not scratch or scratch patient, safety is high and attractive in appearance.
Described four-piece type limb clamp plate also comprises pressure gauge 70, signal processing apparatus 80 and display terminal 90, described pressure gauge 70 is electrically connected with described signal processing apparatus 80, and described signal processing apparatus 80 is electrically connected by wired or wireless and described display terminal 90.Described pressure gauge 70 is fixed on the medial surface of described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 and outside clamping plate 40, for measuring the tighten pressure of described take-up strap 50 pairs of limbs or/and patients with functional exercise's number of times.Described signal processing apparatus 80 is fixed on described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 or outside clamping plate 40, processes for measuring to described pressure gauge 70 signal obtained and transmits.The signal that described display terminal 90 transmits for storing the described signal processing apparatus 80 of display.By arranging pressure gauge 70, can objectively monitor in real time the tighten pressure of limbs of patient, and not only depend on the experience of medical personnel, patient or medical personnel are by checking that display terminal 90 directly can obtain comparatively accurate tighten pressure, when tighten pressure is different from desired value, initiatively can carry out pressure adjusting, accuracy is high, patient's experience is good, contribute to skeleton rehabilitation and easy to operate.In addition, described pressure gauge 70 can also to the functional exercise number of times of patient as number of times of clenching fist, the movable number of times of ankle etc. be monitored, when the functional exercise number of times of patient every day is less than or is greater than desired value, patient can adjust according to the data of display device display, medical personnel can monitor patient according to data, understand the activity of patient in time thus provide rational guidance to Rehabilitation.Described pressure gauge 70 can measure tighten pressure or patients with functional exercise's number of times respectively, also can measure tighten pressure and these two data of patients with functional exercise's number of times simultaneously.By arranging pressure gauge 70, can carry out Real-Time Monitoring to tighten pressure and patient exercise's situation, data are accurate, and patient experiences is good, and contributes to patient's quick recovery.
Concrete, described pressure gauge 70 comprises multiple foil gauge (not shown), multiple described foil gauge interval is fixed on the medial surface of described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 and outside clamping plate 40, described display terminal 90 is APP mobile terminal, described APP mobile terminal comprises acquisition module 910 for gathering described signal processing apparatus 80 gained signal, for storing the signal collected memory module 920 of described acquisition module 910, and for showing signal collected display module 930.Foil gauge is multiple, and uniformly at intervals on the medial surface of each clamping plate, each clamping plate to be placed on limbs of patient and after tighten, described foil gauge has an initial deformation, setting this initial deformation is reference pressure value, described signal processing apparatus 80 can obtain tighten force value by the final deformation quantity detecting foil gauge, can be obtained the functional exercise number of times of patient, and the data obtained are transferred to APP mobile terminal by the deformation number of times detecting foil gauge.Described APP mobile terminal carries out corresponding collection, storage and display, patient or medical personnel can at electronic product as mobile phone installed this APP mobile terminal software, real time inspection or supervision can be carried out to the tighten pressure of patient and functional exercise, easy to use, effectively can promote Rehabilitation.
Four-piece type limb clamp plate described in the present embodiment is applicable to the fracture fixation of human limb as forearm, upper arm, shank, thigh.Actual when using, the pad of corresponding limbs installation position and clamping plate are mounted on limbs corresponding site, by elastic adjustable take-up strap tighten outside each clamping plate thus formed to limbs of patient around pressurization.Plate face curvature profile and the limbs installation position surface profile of described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30, outside clamping plate 40 and each pad adapt, personalized strong, patient's wearing comfort.In addition, the four-piece type limb clamp plate described in the present embodiment is also provided with pressure gauge 70 and APP mobile terminal, can carry out Real-Time Monitoring, contribute to patient's quick recovery to tighten pressure and patients with functional exercise's situation.Four-piece type limb clamp plate described in the present embodiment is personalized strong, and can be formed good in pressurization to limbs of patient, can realize the comfortable wearing of Different Individual, patient experiences is good, and wearing comfort is convenient, and rehabilitation is fast.
Make a method for four-piece type limb clamp plate described above, comprise the following steps:
S110: mark a little respectively on the front side of limbs installation position, rear side, inner side and outside, and carry out 3-D scanning, obtains the polygon data model on surface, limbs installation position.Preferably, handheld laser scanner can be adopted to scan, and in scanning process, limbs can move, and can not affect scanning result, easy to operate, and the polygon data accuracy of acquisition is high.
S120: the threedimensional model creating each side of limbs, and carry out surface fitting and surface trimming, obtain the physical model of front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 and the outside clamping plate 40 matched with limbs installation position surface curvature.The polygon data model obtained in previous step is imported in modeling software, corresponding surface matching and cutting are carried out to polygon data model, make that the polygon data model of collection is complete there is no other defect, obtain the physical model of front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 and the outside clamping plate 40 matched with limbs installation position surface curvature.
S130: carry out feature pruning to described physical model, obtains the analogue formation of described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 and outside clamping plate 40.Concrete, feature prune be included in each clamping plate open the first ventilative through hole 60, each clamping plate of cutting boundary module, the operations such as abate are carried out to each clamping plate border and the first ventilative through hole 60.
S140: make described front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 and outside clamping plate 40 according to described analogue formation.Concrete, make each clamping plate by 3D printing type or plastic uptake technique, the clamping plate personalised effects obtained is good, and fixture is comfortable.
The manufacture method of described four-piece type limb clamp plate, the front side clamping plate 10, rear side clamping plate 20, inner side clamping plate 30 and the outside clamping plate 40 that match with limbs installation position surface curvature can be produced easily, each clamping plate sidewall curvature adaptability is good, personalized strong, patient's wearing comfort.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a four-piece type limb clamp plate, it is characterized in that, comprise front side clamping plate, rear side clamping plate, inner side clamping plate, outside clamping plate and take-up strap, the plate face curvature of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate matches with the curvature of limbs front side surface, rear side surface, inner surface and outer surface respectively, described front side clamping plate, rear side clamping plate, inner side clamping plate, outside clamping plate are fastened on limbs corresponding section by described take-up strap with formed to limbs around pressurization.
2. four-piece type limb clamp plate according to claim 1, it is characterized in that, also comprise the front side pad, rear side pad, inboard washer, the outside pad that match with described front side clamping plate, rear side clamping plate, inner side clamping plate, outside clamping plate respectively, when described front side pad, rear side pad, inboard washer, outside pad use, be installed on the inner side of described front side clamping plate, rear side clamping plate, inner side clamping plate, outside clamping plate respectively.
3. four-piece type limb clamp plate according to claim 2, it is characterized in that, described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate all offer at least one first ventilative through hole, the corresponding section of described front side pad, rear side pad, inboard washer, outside pad and described front side clamping plate, rear side clamping plate, inner side clamping plate, outside clamping plate all offers at least one second ventilative through hole.
4. four-piece type limb clamp plate according to claim 3, is characterized in that, the front end of described inner side clamping plate and outside clamping plate exceedes limbs joint position, and the plate face curvature and the limbs joint position curvature of described inner side clamping plate and clamping plate front end, outside match.
5. four-piece type limb clamp plate according to claim 4, it is characterized in that, also comprise pressure gauge, signal processing apparatus and display terminal, described pressure gauge is electrically connected with described signal processing apparatus, and described signal processing apparatus is electrically connected by wired or wireless and described display terminal;
Described pressure gauge is fixed on the medial surface of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate, for measuring described take-up strap to the tighten pressure of limbs or/and patients with functional exercise's number of times;
Described signal processing apparatus is fixed on described front side clamping plate, rear side clamping plate, inner side clamping plate or outside clamping plate, and the signal for obtaining described pressure gauge measurement carries out process transmission;
The signal that described display terminal transmits for storing the described signal processing apparatus of display.
6. four-piece type limb clamp plate according to claim 5, it is characterized in that, described pressure gauge comprises multiple foil gauge, multiple described foil gauge interval is fixed on the medial surface of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate, described display terminal is APP mobile terminal, described APP mobile terminal comprises acquisition module for gathering described signal processing apparatus gained signal, for storing the signal collected memory module of described acquisition module, and for showing signal collected display module.
7. the four-piece type limb clamp plate according to any one of claim 1-6, it is characterized in that, described take-up strap is many, described take-up strap is elastic adjustable take-up strap, the lateral surface of described take-up strap is provided with pressure indicateing arm, and described take-up strap is fixedly mounted on the lateral surface of described front side clamping plate, rear side clamping plate, inner side clamping plate or outside clamping plate.
8. the four-piece type limb clamp plate according to any one of claim 3-6, is characterized in that, the outward flange of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate is abate edge, and the bore edges of the described first ventilative through hole is abate edge.
9. the four-piece type limb clamp plate according to any one of claim 2-6, is characterized in that, described front side pad, rear side pad, inboard washer and outside pad are made by silica gel material or sponge material.
10. make a method for the four-piece type limb clamp plate described in any one of claim 1-9, it is characterized in that, comprise the following steps:
Mark a little respectively in the front side of limbs installation position, rear side, inner side and outside, and carry out 3-D scanning, obtain the polygon data model on surface, limbs installation position;
Create the threedimensional model of each side of limbs, and carry out surface fitting and surface trimming, obtain the physical model of front side clamping plate, rear side clamping plate, inner side clamping plate and the outside clamping plate matched with limbs installation position surface curvature;
Feature pruning is carried out to described physical model, obtains the analogue formation of described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate;
Described front side clamping plate, rear side clamping plate, inner side clamping plate and outside clamping plate are made according to described analogue formation.
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| CN201510750907.4A CN105232205A (en) | 2015-11-05 | 2015-11-05 | Four-piece type limb splint and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114474510A (en) * | 2022-02-09 | 2022-05-13 | 上海交通大学医学院附属瑞金医院 | Preparation of plywood silica gel inner lining |
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