CN102222441A - Blunt force injury causing simulator - Google Patents
Blunt force injury causing simulator Download PDFInfo
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- CN102222441A CN102222441A CN2011101813335A CN201110181333A CN102222441A CN 102222441 A CN102222441 A CN 102222441A CN 2011101813335 A CN2011101813335 A CN 2011101813335A CN 201110181333 A CN201110181333 A CN 201110181333A CN 102222441 A CN102222441 A CN 102222441A
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Abstract
The invention discloses a blunt force injury causing simulator. A mounting plate is vertically arranged on a basal plate, and a support rod is arranged at the right plate surface of the mounting plate; a spring is slantwise arranged at the right side of the mounting plate so as to achieve the effect that the left part of the spring is lower than the right part of the spring is high, and the lower end of the spring is connected with the support rod through a lower connecting rod; and the upper end of the spring is provided with an upper connecting sheet, the left upper part of the upper connecting sheet is connected with the right end of a wirerope, the right upper end of the upper connecting sheet is provided with a mounting sleeve arranged along the length direction of the spring, and a blunt head is connected in the mounting sleeve in an inserting way. The blunt force injury causing simulator is capable of simulating the formation of blunt force injuries, and forming the blunt force injuries identical with the injury feature of a wounded at a part of an experimental subject to be injured so as to obtain an instrument causing the blunt force injuries, angles of the injuries and injury forces through backstepping; and a blunt force injury model can be produced by utilizing the injury causing simulator. The blunt force injury causing simulator has the advantages of smart design, simple structure and convenience for production, is economic and scientific, and can be applicable to basic researches in the fields of legal medicine, traffic medicine, and the like.
Description
Technical field
The invention belongs to blunt wound experimental study field, specifically, relate to the analogue means of using in a kind of blunt force injury experimental study of causing injury.
Background technology
Blunt force injury mainly refers to the mechanical injuries that caused by blunt, common blunt force injury can be divided into two kinds substantially, follow generation in the judicial case of wherein being everlasting during first kind of blunt force injury, this class blunt force injury had not generally both had sword by club, back, hoe, wrench, masonry, Chinese boxing and other, and not sharp again vulnerant causes; Second kind then usually appears in the traffic hazard, and this class blunt force injury is generally by health colliding surface, wall, or is caused by the collision of (as train, automobile, tractor, motorcycle, bicycle etc.), dilatory, spreading.No matter be that legal medical expert infers, identifies vulnerant according to the blunt force injury feature in the judicial case, still the traffic hazard medical treatment process traditional Chinese medical science is taken root and is formulated therapeutic scheme according to the feature of blunt force injury, all need accurately to understand the formation reason of blunt force injury, as forming factors such as the vulnerant of blunt force injury, the angle of causing injury and the power of causing injury, this just becomes an important topic of blunt force injury research.In addition, in blunt force injury research, generally need by a large amount of blunt force injuries model experiment research of causing injury, yet make the blunt force injury model, and carry out the blunt force injury experimental study and but be one and do not allow facile thing, this mainly is owing to need to solve an important problem before making the blunt force injury model, that is: identical direction is given at the position and strength impacts to adopt suitable vulnerant that the need of experimental subjects are caused injury, and then formation and the identical blunt force injury of the injured feature of the wounded.
In order to address the above problem, the researchist just imagines the analogue means of causing injury of a kind of blunt force injury of invention, this analogue means can be simulated the formation of blunt force injury, and the need of the experimental subjects position of causing injury caused and the identical blunt force injury of the injured feature of the wounded, thereby backstepping goes out to cause the vulnerant of blunt force injury and the angle of causing injury, the power of causing injury.
Summary of the invention
The object of the present invention is to provide a kind of blunt force injury analogue means of causing injury, the formation that can simulate blunt force injury.
Technical scheme of the present invention is as follows: a kind of blunt force injury analogue means of causing injury, and its key is: installing plate vertically is set on substrate, and the right panel face of this installing plate is provided with support bar; The right at described installing plate is obliquely installed spring, and this spring left side is low right high, and the lower end of spring is connected with described support bar by lower connecting rod; The upper end of described spring is provided with brace, and upper left quarter of brace links to each other with the right-hand member of wire rope on this, at the upper right side of last brace installation sleeve is set, and this installation sleeve is along the length direction setting of spring, and is plugged with the blunt head in the installation sleeve.
When using this analogue means, earlier substrate is fixed, again experimental subjects is placed the correct position of described blunt head below, by making spring crooked, decontrol wire rope at last, the crooked elastic force of retracting spring left then towards the moving wire rope of Zola, the need that make the blunt head the impact experimental subjects position of causing injury, the formation of simulation blunt force injury, and make the need of the experimental subjects position of causing injury form blunt force injury, the suffered blunt force injury feature of this blunt force injury and the wounded is identical.In addition, can adjust the strength that impacts of blunt, also study the cause injury feature and the mechanism of different blunts, thereby produce the blunt force injury model by the blunt head of changing unlike material by the degree of crook of changing spring and regulating spring.Adopt above technical scheme, the present invention can simulate the formation of blunt force injury, and the need that make experimental subjects are caused injury, and the position forms and the identical blunt force injury of the injured feature of the wounded, and then backstepping goes out to cause the vulnerant of blunt force injury and the angle of causing injury, the power of causing injury, can utilize simultaneously the analogue means of originally causing injury to make the blunt force injury model, be skillfully constructed, and simple in structure, easy to make, not only economy but also have science also can be widely used in the fundamental research of aspects such as medical jurisprudence, traffic medicine.
Described installing plate vertically is provided with, and the front face vertical fixing of this installing plate and described substrate all has two row mounting holes side by side on the substrate of installing plate upper and lower.Adopt above structure, can reliably avoid substrate and spring to produce movement interference on the one hand, guarantee the normal use of this analogue means, can adjust the setting height(from bottom) of substrate on the other hand easily according to the height of experimental subjects.
Left at described installing plate is provided with wheel disc, and this is taken turns to circle or whirl in the air and is enclosed within on the back shaft, the front face vertical fixing of this back shaft and substrate; The left end of described wire rope is wrapped on the periphery of wheel disc, and the center line of wire rope and described spring is positioned at same vertical plane.Above structure can be more convenient, effortlessly towards the moving wire rope of Zola, and then make spring crooked left; Can on wheel disc, mark simultaneously, so just can accurately control the rotational angle of wheel disc, the impact force of control spring.
Described wheel disc is a toothed disc, and the preceding card of this wheel disc vertically is provided with handle; Unidirectional gag lever post is set below described wheel disc, and the front face of this unidirectional gag lever post lower end and described substrate is hinged, and insert on the described wheel disc excircle in the gap between adjacent two teeth the upper end of unidirectional gag lever post; The upper end of described unidirectional gag lever post is provided with guide pole, should go up the lower surface vertical fixing of guide pole and unidirectional gag lever post, and the top of limit spring center pit is inserted in the bottom of last guide pole, be inserted with down guide pole in the center pit of this limit spring bottom, the lower end of following guide pole and the front end of fixed bar are fixed, the front face vertical fixing of the rear end of this fixed bar and described substrate.Adopt above structure, backward rotation when the present invention can effectively prevent wheel disc work.
The described upper left quarter of going up brace has through hole, is equipped with fixed pin in this through hole, and the right-hand member of described wire rope is positioned at the rear of brace, and the right-hand member of this wire rope is around being enclosed within on the fixed pin; Piece is pulled in front end setting at described fixed pin, and this pulls piece and fixed pin is perpendicular, and the rear surface of pulling piece is provided with denation, and this denation is near described fixed pin.When needs discharge the crooked elastic force of described spring, push the free end of pulling piece backward, the denation that pull the piece rear surface this moment contacts with the front surface of last brace, under the effect of lever principle, fixed pin skids off the through hole of brace, and this moment, rich wire rope and fixed pin disengaging were come, and wire rope and last brace are disengaged, spring discharges crooked elastic force, and is easy to operate, laborsaving; Simultaneously, adopt above structure can reuse wire rope, guarantee serviceable life of the present invention.
The right panel face vertical fixing of described support bar and installing plate is fixed the support chip of two circles at the right-hand member of support bar, is symmetrical arranged before and after this support chip, and the corresponding adjusting through hole that distributes along circumferentially that has on two support chips; Described lower connecting rod is along the length direction setting of spring, and the lower end part of this lower connecting rod is between described two support chips, and the lower end of lower connecting rod is installed with bearing pin, the front and back ends of this bearing pin respectively movable supporting on the support chip of correspondence; Be equipped with the adjusting pin in the bottom of described lower connecting rod, the front and back ends of this adjusting pin is located in respectively in the adjusting through hole corresponding on two support chips, can adjust the angle of inclination of spring so easily.
In the upper end of described fixed head the installation journal stirrup is set, this top that journal stirrup is installed is " U " type structure, between two vertical edges that journal stirrup top is installed, be arranged side by side two fixed pulleys up and down, the central shaft movable supporting of this fixed pulley is on two vertical edges that journal stirrup top is installed, and described wire rope passes from the gap between two fixed pulleys.Two fixed pulleys in the above structure can lead to wire rope preferably, prevent that wire rope from swinging, thereby accurately control the direction that impacts of blunt head.
Beneficial effect: the present invention can simulate the formation of blunt force injury, and the need that make experimental subjects are caused injury, and the position forms and the identical blunt force injury of the injured feature of the wounded, and then backstepping goes out to cause the vulnerant of blunt force injury and the angle of causing injury, the power of causing injury, can utilize simultaneously the analogue means of originally causing injury to make the blunt force injury model, be skillfully constructed, and simple in structure, easy to make, not only economy but also have science, also can be widely used in medical jurisprudence, the fundamental research of aspects such as traffic medicine.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the partial enlarged drawing of A part among Fig. 1;
Fig. 3 is the partial enlarged drawing of B part among Fig. 1;
Fig. 4 is the partial enlarged drawing of C part among Fig. 1;
Fig. 5 is that the E of Fig. 4 is to view;
Fig. 6 is that the D of fixed pulley 26 among Fig. 1 is to zoomed-in view.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
Shown in Fig. 1～6, this blunt force injury is caused injury analogue means by substrate 1, installing plate 2, support bar 3, spring 4, lower connecting rod 5, last brace 6, wire rope 7, installation sleeve 8, blunt head 9, wheel disc 10, back shaft 11, handle 12, unidirectional gag lever post 13, last guide pole 14, limit spring 15, following guide pole 16, fixed bar 17, fixed pin 18, pull piece 19, denation 20, support chip 21, regulate through hole 22, bearing pin 23, regulate pin 24, journal stirrup 25 and fixed pulley 26 formations are installed, wherein installing plate 2 vertically is provided with, at the rear of installing plate 2 described substrate 1 is set vertically, and the front face vertical fixing of installing plate 2 and this substrate 1.For the ease of fixed installation and adjustment installation site, the special two row mounting hole 1a that offer side by side on the substrate above the installing plate 21 also offer two row mounting hole 1a simultaneously side by side on the substrate below the installing plate 21.
Shown in Fig. 1～3, be obliquely installed spring 4 on the right of described installing plate 2, the left end of this spring 4 is lower than right-hand member, and the lower end of spring 4 is connected with described support bar 3 by lower connecting rod 5, this support bar 3 is located on the right panel face of installing plate 2, and perpendicular, and can select the spring 4 of different size when using according to actual needs for use with the right panel face of installing plate 2.The upper end of described spring 4 is provided with brace 6, the upper left quarter that should go up brace 6 links to each other with the right-hand member of wire rope 7, upper right side at last brace 6 is provided with installation sleeve 8, this installation sleeve 8 is along the length direction setting of spring 4, and be plugged with blunt head 9 in the installation sleeve 8, this blunt head 9 is a club shaped structure, and the blunt head 9 of replaceable unlike material, diameter and length when needing.
Can find out as Fig. 1,2 and 6, for more convenient, spur described wire rope 7 left effortlessly, special left at installing plate 2 is provided with wheel disc 10, the card of this wheel disc 10 is parallel with the front face of described substrate 1, and wheel disc 10 skies are enclosed within on the back shaft 11, the front face vertical fixing of this back shaft 11 and substrate 1.The periphery of the left end of described wire rope 7 and wheel disc 10 is fixed, and is wrapped on the periphery of this wheel disc 10, and the center line of wire rope 7 and described spring 4 is positioned at same vertical plane.For the ease of rotating wheel disk 10, special preceding card at wheel disc 10 vertically is provided with described handle 12.For described wire rope 7 is led, the special setting in the upper end of described fixed head 1 installed journal stirrup 25, this top that journal stirrup 25 is installed is " U " type structure, between two vertical edges that journal stirrup 25 tops are installed, be arranged side by side two fixed pulleys 26 up and down, movable supporting is on two vertical edges that journal stirrup 25 tops are installed respectively at the central shaft two ends of this fixed pulley 26, and described wire rope 7 passes from the gap between two fixed pulleys 26.
Backward rotation when preventing wheel disc 10 work is specially made toothed disc with described wheel disc 10, and the tooth on these wheel disc 10 peripheries is obliquely installed along clockwise direction.Described unidirectional gag lever post 13 is set below above-mentioned wheel disc 10, the front face of the lower end of this unidirectional gag lever post 13 and described substrate 1 is hinged, and unidirectional gag lever post 13 can swing around pin joint, and insert on described wheel disc 10 excircles in the gap between adjacent two teeth the upper end of described unidirectional gag lever post 13.In the upper end of described unidirectional gag lever post 13 guide pole 14 is set, the lower surface vertical fixing of guide pole and unidirectional gag lever post 13 on this.In position fixed bar 17 is set near described installing plate 2 left plate faces, the rear end of this fixed bar 17 with the front face vertical fixing of described substrate 1, front end at fixed bar 17 is provided with described guide pole 16 down, this time guide pole 16 is vertical with fixed bar 17, and corresponding with the position of described upward guide pole 14.Be obliquely installed described limit spring 15 between last guide pole 14 and following guide pole 16, these limit spring 15 left sides are high right low, and go up guide pole 14 and insert in the center pit on limit spring 15 tops, and following guide pole 16 inserts in the center pit of limit spring 15 bottoms.Under the effect of above-mentioned limit spring 15, tooth on the upper end of described unidirectional gag lever post 13 and described wheel disc 10 peripheries butt always cooperates, so just may make the wheel disc 10 can only one-directional rotation (i.e. rotating counterclockwise among the figure), thereby the left end that spurs above-mentioned wire rope 7 be towards moving left.
Can draw as Fig. 1,3, the described upper left quarter of going up brace 6 has through hole (not marking among the figure), is equipped with fixed pin 18 in this through hole, and the right-hand member of described wire rope 7 is positioned at the rear of brace 6, and the right-hand member of this wire rope 7 is around being enclosed within on the fixed pin 18.Piece 19 is pulled in front end setting at described fixed pin 18, and it is perpendicular with fixed pin 18 that this pulls piece 19, and the rear surface of pulling piece 19 is provided with denation 20, and this denation is near described fixed pin 18.When needs discharge the crooked elastic force of above-mentioned spring 4, push the free end of pulling piece 19 backward, this moment, denation 20 contacted with the front surface of last brace 6, under the effect of lever principle, fixed pin 18 withdraws from from the through hole of last brace 6, thereby described wire rope 7 and last brace 6 are broken away from, reach the purpose of retracting spring 4 crooked elastic force.
Shown in Fig. 1,4,5, fix the support chip 21 of two circles at the right-hand member of described support bar 3, these support chip 21 front and back are symmetrical arranged, and two support chips 21 all regulate through hole 22 along circumferentially having, and the adjusting lead to the hole site on two support chips 21 is corresponding one by one.Described lower connecting rod 5 is along the length direction setting of spring 4, the lower end part of this lower connecting rod 5 is between described two support chips 21, set firmly bearing pin 23 in the lower end of lower connecting rod 5, this bearing pin 23 is vertical with lower connecting rod 5, and in the circular via hole on the front end of bearing pin 23 insertion front a slice support chip 21, thereby on movable supporting a slice support chip 21 in front.Insert in the circular via hole on back a slice support chip 21 rear end of bearing pin 23, thus movable supporting on a slice support chip 21 of back, lower connecting rod 5 just can swing up and down around two movable supporting points like this.The bottom of above-mentioned lower connecting rod 5 is equipped with regulates pin 24, one of being located on front a slice support chip 21 regulates in the through hole 22 front end of this adjusting pin 24, the rear end of regulating pin 24 is located in corresponding on the back a slice support chip 21 adjusting through hole, facilitates the angle of inclination of adjusting described spring 4 as required like this.
Principle of work of the present invention is as follows:
At first substrate of this analogue means and vertical wall or other object are fixed, secondly experimental subjects is placed the correct position of blunt head below, rotating wheel disk is so that towards the moving wire rope of Zola then, described spring is crooked left under the drive of wire rope, wire rope and last brace are disengaged, the position forms blunt force injury thereby the need that allow the blunt head impact experimental subjects are caused injury, and the need of the experimental subjects position of causing injury caused and the identical blunt force injury of the injured feature of the wounded, thereby backstepping goes out to cause the vulnerant of blunt force injury and the angle of causing injury, the power of causing injury.
Utilize this blunt force injury to cause injury analogue means when making the blunt force injury model, at first should be according to the setting height(from bottom) of this analogue means of height control substrate of experimental subjects, and install the required blunt head of experiment; Again experimental subjects is placed the correct position of blunt head below, and the blunt head need of the aiming at experimental subjects position of causing injury; Secondly make spring bend to desired location left by rotating wheel disk, and locking, wire rope and last brace are broken away from, this moment, the blunt head was just beaten in the experimental subjects position of need causing injury, formation blunt force injury.What spring by changing different size and the degree of crook of adjusting spring were adjusted the blunt head simultaneously impacts strength (being injury energy), also can study the mechanism that different blunt vulnerants form blunt force injury, and then obtain the blunt force injury model by the blunt head of changing unlike material.
When controlling injury energy by the spring bending angle of regulating this analogue means, adopt new zealand white rabbit to carry out 3 experiments altogether, wherein choose 45 of healthy new zealand white rabbits, male and female are regardless of, body weight 2.0+-0.5kg is divided into 3 groups at random, tests preceding 4 hours new zealand white rabbits and prohibits drink, fasting, and inject the capable auricular vein anaesthesia dosage of 3% yellow Jackets 30mg/kg.Simultaneously, the length of spring is 30.0cm, and diameter is 4.0cm; The blunt head is 11cm by length, and diameter is that the solid rod iron of 2.0cm is made.
3 groups of rabbit new zealand white rabbits crouch with right-hand, and fixing, make the blunt head impact the left back leg femur of White Rabbit, and spring is crooked 4 ° left when impacting I group White Rabbit, spring is crooked 8 ° left when impacting II group White Rabbit, and spring is crooked 12 ° left when impacting II group White Rabbit, and its result is as follows:
Musculature swelling has appearred in I group White Rabbit, and II group White Rabbit extravasated blood occurred and with the musculature necrosis, femoral fracture has appearred in the III White Rabbit.
The above only is preferred embodiment of the present invention, is not restriction with the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. blunt force injury analogue means of causing injury, it is characterized in that: installing plate (2) vertically is set on substrate (1), and the right panel face of this installing plate is provided with support bar (3); Be obliquely installed spring (4) on the right of described installing plate (2), this spring left side is low right high, and the lower end of spring (4) is connected with described support bar (3) by lower connecting rod (5); The upper end of described spring (4) is provided with brace (6), the upper left quarter that should go up brace links to each other with the right-hand member of wire rope (7), upper right side at last brace (6) is provided with installation sleeve (8), this installation sleeve is along the length direction setting of spring (4), and is plugged with blunt head (9) in the installation sleeve (8).
2. the blunt force injury according to claim 1 analogue means of causing injury, it is characterized in that: described installing plate (2) vertically is provided with, the front face vertical fixing of this installing plate and described substrate (1) all has two row mounting holes (1a) side by side on the substrate (1) of installing plate (2) upper and lower.
3. the blunt force injury according to claim 1 and 2 analogue means of causing injury, it is characterized in that: the left at described installing plate (2) is provided with wheel disc (10), and this is taken turns to circle or whirl in the air and is enclosed within on the back shaft (11) the front face vertical fixing of this back shaft and substrate (1); The left end of described wire rope (7) is wrapped on the periphery of wheel disc (10), and the center line of wire rope (7) and described spring (4) is positioned at same vertical plane.
4. the blunt force injury according to claim 3 analogue means of causing injury, it is characterized in that: described wheel disc (10) is a toothed disc, and the preceding card of this wheel disc vertically is provided with handle (12); In the below of described wheel disc (10) unidirectional gag lever post (13) is set, the front face of this unidirectional gag lever post lower end and described substrate (1) is hinged, and insert on described wheel disc (10) excircle in the gap between adjacent two teeth the upper end of unidirectional gag lever post (13); The upper end of described unidirectional gag lever post (13) is provided with guide pole (14), should go up the lower surface vertical fixing of guide pole and unidirectional gag lever post (13), and the top of limit spring (15) center pit is inserted in the bottom of last guide pole (14), be inserted with down guide pole (16) in the center pit of this limit spring bottom, the front end of the lower end of following guide pole (16) and fixed bar (17) is fixed, the front face vertical fixing of the rear end of this fixed bar and described substrate (1).
5. according to claim 1 or the 3 described blunt force injuries analogue means of causing injury, it is characterized in that: the described upper left quarter of going up brace (6) has through hole, in this through hole, be equipped with fixed pin (18), the right-hand member of described wire rope (7) is positioned at the rear of brace (6), and the right-hand member of this wire rope is around being enclosed within on the fixed pin (18); Pull piece (19) in the front end setting of described fixed pin (18), this pulls piece and fixed pin (18) is perpendicular, and the rear surface of pulling piece (19) is provided with denation (20), and this denation is near described fixed pin (18).
6. the blunt force injury according to claim 1 and 2 analogue means of causing injury, it is characterized in that: the right panel face vertical fixing of described support bar (3) and installing plate (2), fix the support chip (21) of two circles at the right-hand member of support bar (3), be symmetrical arranged before and after this support chip, and two support chips (21) are gone up the adjusting through hole (22) that correspondence has the circumferential distribution in edge; Described lower connecting rod (5) is along the length direction setting of spring (4), the lower end part of this lower connecting rod is between described two support chips (21), and the lower end of lower connecting rod (5) is installed with bearing pin (23), and the front and back ends difference movable supporting of this bearing pin (23) is on the support chip (21) of correspondence; Be equipped with adjusting pin (24) in the bottom of described lower connecting rod (5), the front and back ends of this adjusting pin is located in two support chips (21) respectively and goes up in the corresponding adjusting through hole (22).
7. the blunt force injury according to claim 1 and 2 analogue means of causing injury, it is characterized in that: be provided with in the upper end of described fixed head (1) journal stirrup (25) is installed, this top that journal stirrup is installed is " U " type structure, between two vertical edges that journal stirrup (25) top is installed, be arranged side by side two fixed pulleys (26) up and down, the central shaft movable supporting of this fixed pulley is on two vertical edges that journal stirrup (25) top is installed, and described wire rope (7) passes from the gap between two fixed pulleys (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110181333 CN102222441B (en) | 2011-06-30 | 2011-06-30 | Blunt force injury causing simulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110181333 CN102222441B (en) | 2011-06-30 | 2011-06-30 | Blunt force injury causing simulator |
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| Publication Number | Publication Date |
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| CN102222441A true CN102222441A (en) | 2011-10-19 |
| CN102222441B CN102222441B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110181333 Expired - Fee Related CN102222441B (en) | 2011-06-30 | 2011-06-30 | Blunt force injury causing simulator |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5562448A (en) * | 1990-04-10 | 1996-10-08 | Mushabac; David R. | Method for facilitating dental diagnosis and treatment |
| CN101375810A (en) * | 2008-09-17 | 2009-03-04 | 北京航空航天大学 | Device for causing injury of laboratory animal |
| CN201263721Y (en) * | 2008-09-12 | 2009-07-01 | 北京航空航天大学 | Device for causing injury of experimental animal |
| CN202150213U (en) * | 2011-06-30 | 2012-02-22 | 中国人民解放军第三军医大学第三附属医院 | Injury-causing simulation device for blunt force injury |
-
2011
- 2011-06-30 CN CN 201110181333 patent/CN102222441B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5562448A (en) * | 1990-04-10 | 1996-10-08 | Mushabac; David R. | Method for facilitating dental diagnosis and treatment |
| CN201263721Y (en) * | 2008-09-12 | 2009-07-01 | 北京航空航天大学 | Device for causing injury of experimental animal |
| CN101375810A (en) * | 2008-09-17 | 2009-03-04 | 北京航空航天大学 | Device for causing injury of laboratory animal |
| CN202150213U (en) * | 2011-06-30 | 2012-02-22 | 中国人民解放军第三军医大学第三附属医院 | Injury-causing simulation device for blunt force injury |
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| CN102222441B (en) | 2013-03-27 |
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