CN104027183B - A kind of isometric contraction augmentor - Google Patents
A kind of isometric contraction augmentor Download PDFInfo
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- CN104027183B CN104027183B CN201410306494.6A CN201410306494A CN104027183B CN 104027183 B CN104027183 B CN 104027183B CN 201410306494 A CN201410306494 A CN 201410306494A CN 104027183 B CN104027183 B CN 104027183B
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Abstract
The invention provides a kind of isometric contraction augmentor, comprise holding components and fixture, described holding components is made up of link, sleeve pipe and interior bar, interior bar is nested with inside described sleeve pipe, described link is fixed on described outside of sleeve, and described fixture is connected with the interior bar of described holding components; Described isometric contraction augmentor volume is little, structure is simple but be widely used, the ingehious design of its sleeve portion can be applicable to each histoorgans such as skin, skeletal muscle and smooth muscle, achieve the isometric contraction of histoorgan by design cleverly, the controlling growth for each histoorgans such as skin, skeletal muscle and smooth muscle provides can application tool.
Description
Technical field
The present invention relates to a kind of augmentor, especially a kind of isometric contraction augmentor.
Background technology
Present stage, theoretical research for muscle contraction is very extensive, form for muscle contraction is mainly divided into shortening to shrink, elongates and shrink and isometric contraction three kinds of forms, by being conducive to the systematic study of muscle contraction solving a series of disease prevention relevant with muscle contraction and treatment problem.
In recent years, the important function of cranium jaw face musculature in all kinds of patho-occlusion is rescued is extensively cognitive by scholars.For cranium jaw facial muscle meat reconstruction mechanism, research in the past focuses on and rescues front and back masticatory muscles muscular strength, myoelectricity aspect, pays close attention to less for physiology's change of myocyte's reconstruction, the Study on Molecular Mechanism of the different contraction mode of muscle.
Although the animal model of the different contraction mode of appendicular skeleton flesh has developed comparatively ripe, can realize often through load apparatus, but the model that masticatory muscles shrinks is set up, because muscular tissue grows source, muscle fiber types, the difference of composition, and cranium jaw face unique anatomical structure shrinks the impact of mode to masticatory muscles, masticatory muscles can not be summarized merely with extremity flesh muscle fibers contract mechanism, special experimental provision is not had to set up masticatory muscles animal muscle contracting model yet, and the special construction of masticatory muscles cannot be realized by the model building device of existing extremity flesh.Therefore, shrink masticatory muscles in the research of reconstruction mechanism, how setting up stable, effective animal model is the difficult problem faced.
In addition, applicant be experimental studies have found that by a large amount of, the not only motor pattern of muscle, also have the internal organs such as such as intestinal and the skin even growth pattern of cell etc., in fact all can be summarized as isotonic contraction and isometric contraction two class, therefore set up animal model targetedly or reinforcing is carried out to body tissue and realize its specific medical treatment or test objective is very important, wherein how to design augmentor and generally realize isometric contraction, there is very important clinical value.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of isometric contraction augmentor.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of isometric contraction augmentor, comprise holding components and fixture, described holding components is made up of link, sleeve pipe and interior bar, is nested with interior bar inside described sleeve pipe, described link is fixed on described outside of sleeve, and described fixture is connected with the interior bar of described holding components.
Preferably, described isometric contraction augmentor, described fixture is the parts that interior bar and thing to be connected can be made to fix.
Preferably, described isometric contraction augmentor, described fixture is hold assembly, hooking member or nested unit.
Preferably, described isometric contraction augmentor, described link both can be that flexible connection also can for being fixedly connected with.
Preferably, described isometric contraction augmentor, described link is hold assembly, hooking member or nested unit.
Preferably, described isometric contraction augmentor, described sleeve pipe and interior bar are the structures that can lengthen, and such as, sleeve pipe or interior bar one lengthen by clamping or the mode such as to be threaded by sleeve pipe or interior bar successively.
A kind of rabbit masticatory muscles isometric contraction experimental model augmentor, comprise a pair holding components and retaining collar, described holding components is by screw, link, sleeve pipe and interior bar composition, wherein, described link is made up of fixing head and the first crotch, described first crotch is vertical with fixing head to be fixed, described fixing head is also provided with the through hole for arranging screw, described screw is fixed by this through hole is vertical with described link, described sleeve pipe is the cylindrical tube of hollow, the outside of one end tube wall is provided with the second crotch, interior bar is nested into inside other end tube wall, described second crotch is connected in hook mode with the first crotch, the loop bar one end that is not nested into of described interior bar is three hooks, the main body of described retaining collar is oval endless member, clamping rings or fixed handle is respectively arranged with at these oval endless member major axis two ends, described clamping rings or fixed handle are connected in hook mode with the crotch end of interior bar.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, the length of described interior bar is less than the length of sleeve pipe, preferred, the diameter of interior bar is slightly less than the diameter of sleeve pipe, if difference is too much rocked and can be had side effects to device reinforcing in the interior side, left and right of bar in sleeve pipe.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, described fixing head is rectangle, and its size is expressed as 3mm × 5mm ~ 4mm × 6mm by minor face × long limit, and its thickness is 0.4mm.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, described fixing head is chamfering rectangle, and its size is expressed as 3mm × 5mm by minor face × long limit, and its thickness is 0.4mm.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, described first crotch is to turning semicircle crotch.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, described first crotch is bent by the stainless steel silk of diameter 1.2mm, and its long vertical arm length is 2.9mm, and horizontal arm length is 2mm, and short vertical arm length is 1.5mm.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, the long vertical arm of described first crotch is fixed with the metal ball of the root of the long vertical arm for preventing the second crotch landing to the first crotch on sleeve pipe.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, in the long vertical arm of described first crotch with the horizontal arm angle of cut below about 0.5mm place be fixed with metal ball as barrier assembly, be used for the root of long vertical arm of the second crotch landing to the first crotch prevented on sleeve pipe.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, described sleeve pipe is stainless steel, and its length is 35mm, and internal diameter is 1.4mm, external diameter 2.0mm.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, on described sleeve pipe, the second crotch is the 180 ° of crotches bent by the stainless steel silk of diameter 1.0mm, bending diameter 1.3mm.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, described interior bar is stainless steel, its length is 20mm, the three hooks of its end is the toroidal being provided with opening, described three hooks internal diameter is 3.8mm, and its opening part is positioned on bar extended line, and its toroidal entirety is positioned at bar extended line the same side.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, described retaining collar is stainless steel, the major axis of the oval endless member of its main body is 5 ~ 6mm, minor axis is 2.5 ~ 3mm, thus retaining collar and experimental rabbit lower incisor shape are adapted, and then make that retaining collar can smoothly and under experimental rabbit, labial teeth side be recessed plays maintenance effect.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, described oval endless member major axis two ends are respectively arranged with the clamping rings of stainless steel, and described clamping rings is vertical with the oval endless member of described retaining collar to be fixed.
Preferably, described rabbit masticatory muscles isometric contraction experimental model augmentor, described clamping rings diameter 1.2mm, in holding, the three hooks of boom end passes through and freely rotates along clamping rings, thus interior bar is freely rotated along clamping rings, the opening and closing mouth motion of laboratory animal can not be limited.
The invention has the beneficial effects as follows:
Above-mentioned isometric contraction augmentor, volume is little, structure is simple but be widely used, the ingehious design of its sleeve portion can be applicable to each histoorgans such as skin, skeletal muscle and smooth muscle, achieve the isometric contraction of histoorgan by design cleverly, the controlling growth for each histoorgans such as skin, skeletal muscle and smooth muscle provides can application tool, to the described fixture of isometric contraction augmentor and the particular design of link, effectively can ensure the isometric contraction of rabbit masticatory muscles, only rely on jawbone and front tooth can provide enough maintenances, do not need the cooperation of laboratory animal can wear use by 24h, the design of sleeve pipe makes contracted length in model process of establishing keep constant, the interior bar of its nested inside can rotate up and down, and in sleeve pipe slide anteroposterior, do not affect laboratory animal harness motion, eliminating affects laboratory animal and to take food the interference factor chewed, what effectively ensure that laboratory animal normally chews feed, and use easy and simple to handle, the use of stainless steel material, this augmentor hardness strength is increased, be enough to the maximum masticatory force bearing laboratory animal, and it is attractive in appearance smooth, corrosion resistance is strong, nontoxic being conducive to adapts to the complicated oral hygiene environment of laboratory animal, and to animal without material adverse side effect, it is a kind of low cost, high efficiency zoopery augmentor.
Accompanying drawing explanation
Fig. 1 is the structural representation of isometric contraction augmentor of the present invention;
Fig. 2 is the structural representation of rabbit masticatory muscles isometric contraction experimental model augmentor of the present invention;
Fig. 3 is another structural representation of rabbit masticatory muscles isometric contraction experimental model augmentor of the present invention;
Fig. 4 is the partial enlarged drawing of rabbit masticatory muscles isometric contraction experimental model augmentor of the present invention;
The structural representation of bar in Fig. 5 rabbit masticatory muscles of the present invention isometric contraction experimental model augmentor;
Fig. 6 is a HE slice map, and wherein, A is matched group, and B is isometric contraction group;
Fig. 7 is the 2nd HE slice map, and wherein, A is matched group, and B is isometric contraction group;
Fig. 8 is the 3rd HE slice map, and wherein, A is matched group, and B is isometric contraction group;
Fig. 9 is the 4th HE slice map, and wherein, A is matched group, and B is isometric contraction group;
Figure 10 is the 5th HE slice map, and wherein, A is matched group, and B is isometric contraction group;
Figure 11 is the first using state figure of isometric contraction augmentor of the present invention;
Figure 12 is the second using state figure of isometric contraction augmentor of the present invention.
In figure: the long vertical arm b-horizontal arm of 1-screw 2-fixing head 3-first crotch a-
C-short vertical arm 4-metal ball 5-sleeve pipe 6-second crotch
Bar 8-three hooks 9-retaining collar in 7-
9-1-oval endless member 9-2-clamping rings 9-2 '-fixed handle
Detailed description of the invention
For further illustrating the present invention, accompanying drawing is now coordinated to be described in detail:
Embodiment 1
As shown in Figure 1, described isometric contraction augmentor, comprise holding components and fixture, described holding components is made up of link, sleeve pipe 5 and interior bar 7, interior bar 7 is nested with inside described sleeve pipe 5, described link is fixed on outside described sleeve pipe 5, and described fixture is connected with the interior bar 7 of described holding components.Described fixture makes interior bar 7 be fixed with thing to be connected, this fixture is unrestricted choice according to different application tissues, such as, when being applied to skeletal muscle, can be nail, interior bar 7 arranges link, interior bar and muscular tissue can be fixed after nail is penetrated, and the link of the other end is same with muscular tissue can the mode of nail be fixedly connected with, promote rehabilitation and the growth of skeletal muscle; When being applied to smooth muscle, for intestinal, can be nested with intestinal fixing in the mode of the collar with link by fixture, utilize this isometric contraction augmentor to promote intestinal growth, exhaustion is dead because intestinal fully cannot absorb nutrition to avoid Bowel resection postoperative patient; When being applied to skin histology, fixture and link are skin folder, utilize skin to press from both sides and make sleeve pipe 5 corresponding to skin histology with interior bar 7 fixing, promote the growth of skin histology, have extensive use in fields such as skin-grafting, wrinkle removing.
Embodiment 2
As shown in Fig. 2, Fig. 4, Fig. 5, described rabbit masticatory muscles isometric contraction experimental model augmentor, comprise a pair holding components and retaining collar 9, described holding components is made up of the screw 1 of stainless steel, link, sleeve pipe 5 and interior bar 7, and the length of described interior bar 7 is less than the length of sleeve pipe 5, and sleeve pipe 5 internal diameter is 1.4mm, interior bar 7 external diameter is 1.2mm, avoid too much causing interior bar 7 double swerve in sleeve pipe 5 at nested rear interior bar 7 with sleeve pipe 5 different diameters, wherein
Described link is made up of fixing head 2 and the first crotch 3, described first crotch 3 is vertical with fixing head 2 to be fixed, described fixing head 2 is also provided with the through hole for arranging screw 1, described screw 1 is fixed by this through hole is vertical with described link, play maintenance effect, described fixing head 2 is the chamfering rectangle of corrosion resistant plate material, the circular arc configuration of this corner avoided sharp corrosion resistant plate and can chew generation interference to experimental rabbit, its size is expressed as 3mm × 5mm by minor face × long limit, its thickness is 0.4mm, this size design scheme is by a large amount of experimental rabbits shooting head CT and upper and lower occlusion cast and the optimal size obtained is analyzed in the repeated measurement of Binding experiment rabbit anatomical structure, undersized as fixing head 2, the first crotch 3 on it apart from screw 1 apart from too near, screw 1 can be affected and implant process in animal bone, and undersizedly can increase the stressed of the first crotch 3 and screw 1, and then increase the probability that screw 1 maintenance comes off, oversize, can implant site area in laboratory animal bone cannot hold, and cannot set up the animal model of high-quality, described first crotch 3 is to turning semicircle crotch, bent by the stainless steel silk of diameter 1.2mm and form, its long vertical arm a length is 2.9mm, horizontal arm b length is 2mm, short vertical arm c length is 1.5mm, on the long vertical arm a of described first crotch 3 with the horizontal arm b angle of cut below about 0.5mm place be welded with metal ball 4 as barrier assembly, be used for the root of long vertical arm a of the second crotch 6 landing to the first crotch 3 prevented on sleeve pipe 5,
Described sleeve pipe 5 is the stainless steel cylindrical tube of hollow, its length is at least 35mm, internal diameter is 1.4mm, external diameter 2.0mm, and the outside of one end tube wall is provided with the second crotch 6, this second crotch 6 is the 180 ° of crotches bent by the stainless steel silk of diameter 1.0mm, bending diameter 1.3mm, described second crotch 6 is connected in hook mode with the first crotch 3, than more preferably, the setting of this second crotch 6, as far as possible near sleeve pipe 5 end, is nested into interior bar 7 inside other end tube wall;
Described interior bar 7 is stainless steel, its length is 20mm, external diameter is 1.2mm, the loop bar one end that is not nested into of this interior bar 7 is three hooks 8, described three hooks 8 is for being provided with the toroidal of opening, and described three hooks 8 internal diameter is 3.8mm, and its opening part is positioned on bar 7 extended line, Opening length is slightly larger than 0.6mm, and its toroidal entirety is positioned at bar 7 extended line the same side;
The main body of described retaining collar 9 is oval endless member 9-1, the major axis of this oval endless member 9-1 is 5mm, minor axis is 2.5mm, thus retaining collar 9 and experimental rabbit lower incisor shape are adapted, and then make that retaining collar 9 can smoothly and under experimental rabbit, labial teeth side be recessed plays maintenance effect, the clamping rings 9-2 of stainless steel is respectively arranged with at these oval endless member 9-1 major axis two ends, described clamping rings 9-2 is vertical with the oval endless member 9-1 of described retaining collar 9 to be fixed, described clamping rings 9-2 diameter (internal diameter) 1.2mm, clamping rings 9-2 tangent plane diameter 0.6mm, in holding, the three hooks 8 of bar 7 end passes through and freely rotates along clamping rings 9-2, thus interior bar 7 is freely rotated along clamping rings 9-2, and laboratory animal can not be limited fix the motion of the opening and closing mouth after augmentor, described clamping rings 9-2 is connected in hook mode with the crotch end of interior bar 7.
The particular curve structure of above-mentioned each crotch makes in zoopery process, mutual hook, without while coming off, rotates freely, can not impact daily the chewing of animal, by the comprehensive function of each link, make animal muscle contraction process very close to spontaneous contractions state.
In addition, as shown in Figure 3, the fixed handle 9-2 ' that can also arrange stainless steel at the oval endless member 9-1 major axis two ends as described retaining collar 9 main body replaces clamping rings 9-2, and this fixed handle 9-2 ' is connected in hook mode with the crotch end of interior bar 7.
In addition, the setting for metal ball 4 not realizes the necessary technology of animal model boosting function, is only a kind of preferred version.
In addition, short vertical arm c and the horizontal arm b that can also be improved to the first crotch 3 on described fixing head 2 are further 60 degree of angles of cut, avoid the generation of the second crotch 6 on sleeve pipe 5 and obscission during this first crotch 3 hook greatly.
As depicted in figs. 11-12, the concrete use procedure of above-mentioned rabbit masticatory muscles isometric contraction experimental model augmentor is as follows:
1, stainless steel screw 1 is assembled by the through hole on the fixing head 2 of link and this link, get Japanese white big ear rabbit, peaceful (0.2ml/kg) intragluteal injection anesthesia of land dormancy.After experimental rabbit general anesthesia, take experimental rabbit dorsal position, extremity are fixed on rabbit platform, to be opened by the front tooth up and down of experimental rabbit and are individually fixed in rabbit platform rear and front end, farthest open oral cavity with meche.Cut off buccal, the left side rabbit hair, lay one's hand on hands and this malar process position, side, the skin site corresponding to labelling.1% iodine tincture disinfection art district skin, in schistostoma rear, masseter leading edge front does and one is parallel to schistostoma direction, is about the otch of 3cm.Cut skin, the muscle below blunt separation, mucosa until with vestibule of mouth break-through.Same right side, Intraoral incision position.Push both sides mucosa, muscle layer and periosteum aside along otch, clearly expose malar process root bone wall.The duck eye that a diameter is less than 1mm is manually got out in the center of zygomatic process root with corundum car pin, good with fixing head 2 assembly and connection of link and the stainless steel screw 1 carrying out strict sterilization is positioned over the center of zygomatic process root bone wall, stainless steel screw 1 long axis direction is vertical with bone wall, with the small-sized cross-shaped screwdriver of having sterilized, vertical for stainless steel screw 1 reinforcing is screwed into zygomatic process root;
2, until screw 1 rivet nut to enter in bone certain length keep stable after utilize the first crotch 3 to be connected with the second crotch 6 sleeve pipe 5 and fixing head 2 after, rivet nut be screwed into completely in bone wall, corrosion resistant plate bottom surface and bone wall are fitted and position is fixed.With normal saline flushing art district wound surface, buccal mucous layer, muscle layer and skin are sewed up in layering.Injection liquid of gentamicin rinses both sides skin and oral mucosa place wound, left side is identical with right side to stainless steel lag screws implant surgery process from preserved skin, penicillin injection liquid (50,000 units/kg) rinses both sides skin and oral mucosa place wound, make ANER DIAN mucosa disinfectant solution sterilization oral mucosa wound, with ANER DIAN skin degerming liquid disinfectant wound both sides skin, bladed grinding stone grinds semicircle Dao Ao district in the region, gum side 1/3 of the distal surface of rabbit both sides lower incisor, the oval endless member 9-1 of retaining collar 9 and Dao Ao district are combined closely and forms good maintenance, subsequently interior bar 7 one end is inserted in sleeve pipe 5, interior bar 7 other end utilizes clamping rings 9-2 or the fixed handle 9-2 ' of three hooks 8 and retaining collar 9, to loosen the meche of fixing rabbit lower jaw, the oval endless member 9-1 of retaining collar 9 is placed on rabbit two lower incisors, to place of clinical crown gum side 1/3, mix with self-curing denture acrylic with liquid denture acrylic, to be coated on stainless steel ring and lower incisor and moulding, self curing plastic height is no more than 1/2 of lower incisor clinical crown height, do not affect the normal chewing process of rabbit, the position of fixing retaining collar 9 is solidified completely to self-solidifying,
3, the maintenance situation of augmentor described in clinical follow, first three sky postoperative penicillin continuous every day (50,000 units/kg) intramuscular injection, the maintenance situation of clinical follow stainless steel lag screws, notice that experimental rabbit raises meal situation, every day records body weight.
12 Japanese white big ear rabbits are divided at random matched group and the afterburning group of isometric contraction, often organize 6, after adaptability raises 1 week, according to above-mentioned specific operation process, reinforcing is carried out to experimental rabbit masticatory muscles.After 8 weeks, auricular vein air embolism puts to death animal, gets masticatory muscles tissue (mainly masseter, medial pterygoid, lateral pterygoid and anterior belly of digastric) and carries out paraffin section and HE dyeing.20 × 10 times of Microscopic observations, two groups of sections under optical microscope.Often organize in 6 sections to add up and often open muscle fiber number and 10 myofibroblasts check figure orders under random 2 haplopia open countries.Application SPSS19.0 statistical software carries out Kolmogorov-Smirnov test of normality to data, carries out variance analysis and LSD compares between two, inspection level α=0.05 between each group data.
By observing HE section, as shown in Figure 6, find that matched group masticatory muscles cellular morphology is elongated, in threadiness, nuclear targeting comparatively deep-seated in myocyte edge.Cut into slices in the formed objects visual field by matched group and isometric contraction group and compare discovery, isometric contraction reinforcing group is comparatively tightr between matched group muscle fiber.By myocyte's number in haplopia open country between statistical analysis two groups, in isometric contraction reinforcing group haplopia open country there is significant difference in myocyte's number and matched group, illustrate that the myofibrillar change of isometric contraction reinforcing group is a kind of controllability Adaptable growth afterburning to isometric contraction augmentor machinery of the present invention, demonstrate the effect that this isometric contraction augmentor grows for muscle controllability;
As shown in Figure 7, masseter myocyte's number in (10 × 10) haplopia open country under identical amplification, isometric contraction myocyte number comparatively matched group increases and myocyte's volume reduces; As shown in Figure 8, lateral pterygoid is (10 × 10) under identical amplification, and the wild myocyte's number of isometric contraction group haplopia comparatively matched group increases, and myocyte's volume reduces; As shown in Figure 9, medial pterygoid is (10 × 10) under identical amplification, and the wild myocyte's number of isometric contraction group haplopia comparatively matched group increases, and myocyte's volume reduces; As shown in Figure 10, anterior belly of digastric is (10 × 10) under identical amplification, and the wild myocyte's number of isometric contraction group haplopia comparatively matched group increases, and myocyte's volume reduces.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. an isometric contraction augmentor, it is characterized in that: comprise holding components and fixture, described holding components is made up of link, sleeve pipe and interior bar, interior bar is nested with inside described sleeve pipe, described link is fixed on described outside of sleeve, and described fixture is connected with the interior bar of described holding components, wherein, described fixture is hold assembly, hooking member or nested unit, and described link is hold assembly, hooking member or nested unit.
2. a rabbit masticatory muscles isometric contraction experimental model augmentor, it is characterized in that: comprise retaining collar and a pair holding components, described holding components is by screw, link, sleeve pipe and interior bar composition, wherein, described link is made up of fixing head and the first crotch, described first crotch is to turning semicircle crotch, described first crotch is vertical with fixing head to be fixed, described fixing head is also provided with the through hole for arranging screw, described screw is fixed by this through hole is vertical with described link, described sleeve pipe is the cylindrical tube of hollow, the outside of one end tube wall is provided with the second crotch, interior bar is nested into inside other end tube wall, described second crotch is connected in hook mode with the first crotch, the loop bar one end that is not nested into of described interior bar is three hooks, the main body of described retaining collar is oval endless member, described oval endless member major axis two ends are respectively arranged with the clamping rings of stainless steel, described clamping rings is vertical with the oval endless member of described retaining collar to be fixed, described clamping rings is connected in hook mode with the crotch end of interior bar.
3. rabbit masticatory muscles isometric contraction experimental model augmentor according to claim 2, it is characterized in that: described fixing head is rectangle, its size is expressed as 3mm × 5mm ~ 4mm × 6mm by minor face × long limit, and its thickness is 0.4mm.
4. rabbit masticatory muscles isometric contraction experimental model augmentor according to claim 3, it is characterized in that: described fixing head is chamfering rectangle, its size is expressed as 3mm × 5mm by minor face × long limit, and its thickness is 0.4mm.
5. rabbit masticatory muscles isometric contraction experimental model augmentor according to claim 2, is characterized in that: the metal ball long vertical arm of described first crotch being fixed with the root of the long vertical arm for preventing the second crotch landing to the first crotch on sleeve pipe.
6. rabbit masticatory muscles isometric contraction experimental model augmentor according to claim 2, it is characterized in that: described sleeve pipe is stainless steel, its length is 35mm, and internal diameter is 1.4mm, external diameter 2.0mm.
7. rabbit masticatory muscles isometric contraction experimental model augmentor according to claim 2, is characterized in that: on described sleeve pipe, the second crotch is the 180 ° of crotches bent by the stainless steel silk of diameter 1.0mm, bending diameter 1.3mm.
8. rabbit masticatory muscles isometric contraction experimental model augmentor according to claim 2, it is characterized in that: described interior bar is stainless steel, its length is 20mm, the three hooks of its end is the toroidal being provided with opening, described three hooks internal diameter is 3.8mm, its opening part is positioned on bar extended line, and its toroidal entirety is positioned at bar extended line the same side.
9. rabbit masticatory muscles isometric contraction experimental model augmentor according to claim 2, it is characterized in that: described retaining collar is stainless steel, the major axis of the oval endless member of its main body is 5 ~ 6mm, and minor axis is 2.5 ~ 3mm.
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| CN201410306494.6A CN104027183B (en) | 2014-03-19 | 2014-06-30 | A kind of isometric contraction augmentor |
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| CN201410102699.2 | 2014-03-19 | ||
| CN201410102699 | 2014-03-19 | ||
| CN201410306494.6A CN104027183B (en) | 2014-03-19 | 2014-06-30 | A kind of isometric contraction augmentor |
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| CN201410306494.6A Expired - Fee Related CN104027183B (en) | 2014-03-19 | 2014-06-30 | A kind of isometric contraction augmentor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2745091A1 (en) * | 1977-10-07 | 1979-04-12 | Fred Prof Dr Med Lembeck | Measuring device for isotonic muscle contraction and relaxation - has limb suspended by threads inside nutrition liq. feed tube |
| US5679104A (en) * | 1995-03-13 | 1997-10-21 | Larry Driscoll | Isometric exercising apparatus |
| CN201782843U (en) * | 2010-07-12 | 2011-04-06 | 中国人民解放军第三军医大学第一附属医院 | Skin stretching stress loading device |
| CN204192785U (en) * | 2014-03-19 | 2015-03-11 | 高辉 | A kind of isometric contraction augmentor and rabbit masticatory muscles isometric contraction experimental model augmentor |
-
2014
- 2014-06-30 CN CN201420357444.6U patent/CN204192785U/en not_active Expired - Fee Related
- 2014-06-30 CN CN201410306494.6A patent/CN104027183B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2745091A1 (en) * | 1977-10-07 | 1979-04-12 | Fred Prof Dr Med Lembeck | Measuring device for isotonic muscle contraction and relaxation - has limb suspended by threads inside nutrition liq. feed tube |
| US5679104A (en) * | 1995-03-13 | 1997-10-21 | Larry Driscoll | Isometric exercising apparatus |
| CN201782843U (en) * | 2010-07-12 | 2011-04-06 | 中国人民解放军第三军医大学第一附属医院 | Skin stretching stress loading device |
| CN204192785U (en) * | 2014-03-19 | 2015-03-11 | 高辉 | A kind of isometric contraction augmentor and rabbit masticatory muscles isometric contraction experimental model augmentor |
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| CN204192785U (en) | 2015-03-11 |
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