CN100459952C - Model instrument of animal bone fracture - Google Patents
Model instrument of animal bone fracture Download PDFInfo
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- CN100459952C CN100459952C CNB2007100248933A CN200710024893A CN100459952C CN 100459952 C CN100459952 C CN 100459952C CN B2007100248933 A CNB2007100248933 A CN B2007100248933A CN 200710024893 A CN200710024893 A CN 200710024893A CN 100459952 C CN100459952 C CN 100459952C
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- connecting rod
- impact bar
- blade
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Abstract
The animal fracture simulating instrument has the structure comprising one fixing frame with two steps, one fixing sleeve with longitudinal slot and penetrating the fixing frame, one connecting rod with one cutting edge in the bottom end, one impact rod in the top of the connecting rod, one poise tray, one height disc, steel beads set around the bottom of the fixing sleeve and contacting the cutting edge connecting rod, one locking ring for connecting the fixing sleeve to the fixing frame, and two bone holders on the console. The present invention can simulate the fracture mechanism and process.
Description
Technical field
The present invention relates to a kind of medical instrument, particularly a kind of model instrument of animal bone fracture device.
Background technology
Fracture is a kind of common clinical, and along with increasing of vehicle accident, most of fracture mostly is due to the high energy damage, and not only fracture end is pulverized seriously, but also with extensive soft tissue contusion, the incidence rate of nonunion and infection is higher, and clinical treatment is very thorny.Owing to the patient individual difference is big, damage mechanism is complicated, various, Therapeutic Method and curative effect assessment disunity, thereby, bigger about treatment of fractures weak effect distance.In order to improve the treatment of fractures effect, explore the fracture new therapy, just be necessary to set up an animal bone fracture model of pressing close to clinical setting, analyzed, studied.
Before the present invention, some animal model instrument clinical simulations are poor, the randomness ubiquity, and repeatable low, stability is also poor, comprises stressed size, direction, position etc., all exists uncertainty.What have can't accomplish vertical strike, centre-of gravity shift; Weightlessness appears in the moment when hitting that has, and can't guarantee accurately to hit degree; What have is subjected to various unnecessary (as friction) factor affecting when hitting, make result's accuracy give a discount, or the like, this all is that clinical practice has brought difficulty.
Summary of the invention
Purpose of the present invention just is to overcome the defective that above-mentioned said prior art exists, design, a kind of new model instrument of animal bone fracture of development.
Technical scheme of the present invention is:
Model instrument of animal bone fracture, Connection Bracket on the base, fixed mount has the quadruple board platform rank, setting operation platform on the base, its major technique is characterised in that fixed cover passes the quadruple board platform rank of fixed mount, be hollow in the fixed cover, the side is provided with cannelure, and the blade connecting rod is set in the fixed cover, and blade connecting rod bottom connects blade, there is impact bar on blade connecting rod top, impact bar stretches out from the lateral groove of fixed cover, and between high scale and method code-disc, impact bar is in weights dish bottom, on high scale top, impact bar is fixedlyed connected with the method code-disc, the fixed cover bottom periphery is provided with steel ball, and steel ball is connected with the contact of blade connecting rod, and the fixed cover outside is threaded with fixed mount the top step by locking ring, the high scale that is threaded on the fixed cover, the blade of blade connecting rod bottom is on the operating board between two skeletal support frames.
Advantage of the present invention and effect have been to imitate fully the genesis mechanism and the phenomenon of fracture, fracture has not only taken place, but also with extensive soft tissue contusion, press close to clinical setting, can regulate the stress point of skeleton arbitrarily and hit height, be applicable to multiple animals such as Mus, rabbit and dog, and can be applicable at different parts (femur, tibia, chi radius etc.) and different classification of fracture (horizontal type fracture, screw type fracture and comminuted fracture etc.).
Description of drawings
Fig. 1---structural principle sketch map of the present invention.
Fig. 2---operating board structural representation among the present invention.
Fig. 3---fixed cover bottom and blade connecting rod steel ball connection diagram.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, be operating board 2 in the middle of the base 1, Connection Bracket 3 on the base 1, and fixed mount 3 is the structures with quadruple board platform rank; Fixed cover 4 passes the quadruple board platform rank of fixed mount 3, and locking ring 5 is fixedly connected on fixed cover 4 on the fixed mount 3 by screw thread; Fixed cover 4 inside are hollow, blade connecting rod 6 is in the hollow of fixed cover 4, two sides on fixed cover 4 tops are provided with cannelure 7, blade connecting rod 6 tops have the cannelure 7 of horizontal impact bar 8 both sides from fixed cover 4 stretches out, between high scale 9 and weights connecting ring 10, weights connecting ring 10 is on the top of impact bar 8, and impact bar 8 is fixedlyed connected with weights connecting ring 10, and high scale 9 is in the bottom of impact bar 8; Be provided with high scale 9 on fixed cover 4, regulate the height that blade connecting rod 6 falls from eminence by screw thread, the precision of threaded adjusting height reaches micron order; The method code-disc is made up of weights connecting ring 10, weights 11, weights connecting ring 10 is fixedlyed connected with impact bar 8 and is integral, and weights 11 links together by screw thread and weights connecting ring 10, if gain in weight, then add weights 11 again, and between each weights 11 by being threaded; Between high scale 9 and impact bar 8, cushion 12 is set; Blade 13 is arranged at the bottom of blade connecting rod 6, at the skeletal support frame on the operating board 2 14, in the groove 15 of the bottom of skeletal support frame 14 on operating board 2, side direction nut 16 is connected with operating board 2 metal derby 18 contacts interior, groove 15 sides, make metal derby 18 (part section place among Fig. 2) chucking skeletal support frame 14 bottom * in groove 15 by screwing side direction nut 16), thus fix bone support 14; Vertical nut 17 in groove 15 outsides is fixed on operating board 2 on the base 1 on the operating board 2, the position in like this can the groove 15 of fix bone support 14, the position of fixing operation platform 2, prevent operating board 2, skeletal support frame 14 skew the error that may cause; Rely on steel ball 19 to be slidingly connected between blade connecting rod 6 and the fixed cover 4.
During application, the skeleton of animal is placed on two skeletal support frames 14 on the operating board 2, the experimental distance that needs to regulate between two skeletal support frames 14, on being placed on animal such as Mus or rabbit or dog between two blade arms 14 then, determine the degree of the blade 13 strike animal skeletons of blade connecting rod 6 bottoms, that promptly beats is dark or shallow, promptly general fracture or comminuted fracture, in case after highly deciding, then high scale 9 is spun on the corresponding height of fixed cover 4, promptly determines the position that blade connecting rod 6 falls; Weight rule really is to determine have the weights 11 of various weight available by weights 11; When simulation experiment is carried out in preparation, blade connecting rod 6 is upwards drawn along fixed cover 4, arrive the top of cannelure 7 along fixed cover 4 lateral cannelures 7 until impact bar 8, loose one's grip then, make blade connecting rod 6 in fixed cover 4 to the whereabouts because a plurality of steel balls 19 of fixed cover bottom periphery setting have prevented the rotation of blade connecting rod 6 effectively, reduce the downslide friction, guarantee the 6 vertical acceleration downslides of blade connecting rod, thereby the hitting power that skeleton is subjected to is accurately reliable; Owing to the existence of cushion 12, can cushion the bump of weights 11 and 10 pairs of high scales 9 of weights connecting ring again, reduce the fine motion of high scale 9 to greatest extent, guarantee the 6 vertical acceleration downslides of blade connecting rod; Also fixedly connected with weights connecting ring 10 by screw thread owing to weights 11, and all adopt between the weights 11 and be threaded, thoroughly eliminated between the weights 11 and and weights connecting ring 10 between relative motion, avoided the weightlessness of moment may, reduce the error of hitting power, guarantee accurately to hit.
Claims (5)
1. model instrument of animal bone fracture, Connection Bracket on the base, fixed mount has the quadruple board platform rank, setting operation platform on the base, it is characterized in that fixed cover passes the quadruple board platform rank of fixed mount, be hollow in the fixed cover, the side is provided with cannelure, and the blade connecting rod is set in the fixed cover, and blade connecting rod bottom connects blade, there is impact bar on blade connecting rod top, impact bar stretches out from the lateral groove of fixed cover, and between high scale and method code-disc, impact bar is in weights dish bottom, on high scale top, impact bar is fixedlyed connected with the method code-disc, the fixed cover bottom periphery is provided with steel ball, and steel ball is connected with the contact of blade connecting rod, and the fixed cover outside is threaded with fixed mount the top step by locking ring, the high scale that is threaded on the fixed cover, the blade of blade connecting rod bottom is on the operating board between two skeletal support frames.
2. model instrument of animal bone fracture according to claim 1 is characterized in that the method code-disc is made up of weights connecting ring, weights, and impact bar top connects the weights connecting ring, and weights is connected with the weights connecting ring by screw thread.
3. model instrument of animal bone fracture according to claim 1 and 2 is characterized in that between impact bar and weights connecting ring and the high scale cushion being set.
4. model instrument of animal bone fracture according to claim 1, it is characterized in that groove is arranged on the operating board, the lower end of two skeletal support frames is in groove, and the upper end is above groove and operating board, metal derby is arranged in the groove, and the side direction nut that the operating board side is provided with is connected with the metal derby contact.
5. model instrument of animal bone fracture according to claim 1 and 2 is characterized in that all being threaded between the weights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100248933A CN100459952C (en) | 2007-07-05 | 2007-07-05 | Model instrument of animal bone fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100248933A CN100459952C (en) | 2007-07-05 | 2007-07-05 | Model instrument of animal bone fracture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101081178A CN101081178A (en) | 2007-12-05 |
| CN100459952C true CN100459952C (en) | 2009-02-11 |
Family
ID=38911111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100248933A Expired - Fee Related CN100459952C (en) | 2007-07-05 | 2007-07-05 | Model instrument of animal bone fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100459952C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836904B (en) * | 2010-05-10 | 2013-10-30 | 大连医科大学 | Quantitative falling instrument for laboratory mice |
| RU2492528C2 (en) * | 2011-12-09 | 2013-09-10 | Константин Сергеевич Казанин | Device for experimental modelling fracture of hip bone proximal end |
| CN107468366A (en) * | 2017-08-02 | 2017-12-15 | 四川大学 | Zoopery fracture model preparation facilities |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5390535A (en) * | 1994-03-25 | 1995-02-21 | Detroit Testing Laboratory, Inc. | Drop test device |
| JP2002318181A (en) * | 2001-04-20 | 2002-10-31 | Hitachi Ltd | Drop impact test method and drop impact test device |
| CN1467490A (en) * | 2002-07-12 | 2004-01-14 | Lg电子株式会社 | Falling shock proof testing equipment |
| CN1746653A (en) * | 2004-09-07 | 2006-03-15 | 中国科学院力学研究所 | Electromagnetic type micromechanic impress tester and method of testing thereof |
| CN2837824Y (en) * | 2005-07-26 | 2006-11-15 | 比亚迪股份有限公司 | Impact testing apparatus |
-
2007
- 2007-07-05 CN CNB2007100248933A patent/CN100459952C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5390535A (en) * | 1994-03-25 | 1995-02-21 | Detroit Testing Laboratory, Inc. | Drop test device |
| JP2002318181A (en) * | 2001-04-20 | 2002-10-31 | Hitachi Ltd | Drop impact test method and drop impact test device |
| CN1467490A (en) * | 2002-07-12 | 2004-01-14 | Lg电子株式会社 | Falling shock proof testing equipment |
| CN1746653A (en) * | 2004-09-07 | 2006-03-15 | 中国科学院力学研究所 | Electromagnetic type micromechanic impress tester and method of testing thereof |
| CN2837824Y (en) * | 2005-07-26 | 2006-11-15 | 比亚迪股份有限公司 | Impact testing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101081178A (en) | 2007-12-05 |
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Granted publication date: 20090211 Termination date: 20120705 |