CN208388792U - Zoopery fracture model preparation facilities - Google Patents
Zoopery fracture model preparation facilities Download PDFInfo
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- CN208388792U CN208388792U CN201720957492.2U CN201720957492U CN208388792U CN 208388792 U CN208388792 U CN 208388792U CN 201720957492 U CN201720957492 U CN 201720957492U CN 208388792 U CN208388792 U CN 208388792U
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- application rod
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- zoopery
- preparation facilities
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Abstract
Zoopery described in the utility model fracture model preparation facilities, structure includes pedestal, support plate, two support lateral columns, force application mechanism and two support chips, the support-side column symmetry is fixed on the base, the support plate is horizontally arranged between two side columns, the force application mechanism is by two spring loop bars being vertically fixed in support plate, the identical spring of two specifications being respectively fitted on two spring loop bars, weight bearing plate and force application rod are constituted, the force application rod passes perpendicularly through weight bearing plate and fixation, the weight accepts sleeve-board on two spring loop bars, by spring supporting, force rod axis and two spring pocket rod axis are on same vertical plane, and it is equidistant with two spring loop bars, force application rod lower end movably passes perpendicularly through the perforation being correspondingly arranged in support plate, described two support chips can be relatively movably mounted on the base.The utility model realizes the manufacture of the relatively uniform fracture site in position, and reduces soft-tissue trauma to a certain extent.
Description
Technical field
The utility model patent belongs to zoopery assistive device field, and in particular to zoopery union model
Foundation.
Background technique
Fracture is common disease clinically, often brings considerable distress to sufferer.It studies the healing of fracture, probe into fracture
Molecular mechanism in healing has important meaning for the healing for accelerating fracture.And it is most important for the research of union before
Mention be exactly standard fracture healed model foundation.Identical bits are manufactured by the same area of the animal in different experimental groups
It sets, broken ends of fractured bone active level, the fracture defect of the identical high performance reproducibility of soft tissue injury degree, makes position, the intensity phase of fracture
To controllable, to achieve the purpose that the different factors of research influence union.Therefore, animal bone fracture healed model needs are established
A kind of stabilization, reusable fracture preparation facilities guarantee the controllability of experiment.The device of current manufacture fracture according to
The type of fracture fixation can be divided into interior fixation and outer fixed.The device of interior fixed is mainly proposed according to Einhorn in 1984
Model establish, although which can be reduced soft tissue injury, but device is complex.Outer fixed is external in experimental animal
Fixed targeted bone, but need to be installed at experimental animal, normal activity that is at high cost and influencing animal operates also more
It is cumbersome.
In conclusion it is both needed to individuation production for experimental animal union model foundation device both at home and abroad at present, and
Production is complicated, and use is cumbersome, causes working efficiency lower.Study a kind of fracture preparation facilities pair easy to use, effect stability
Efficiency meaning in terms of raising bone is very big.
Summary of the invention
The purpose of this utility model is that in view of the deficiencies of the prior art, a kind of zoopery is provided and is prepared with fracture model
Device, to realize the relatively uniform fracture position in position by simple operations under conditions of guaranteeing the repeatability of fracture experiment
The manufacture of point, and soft-tissue trauma is reduced to a certain extent.
Zoopery described in the utility model fracture model preparation facilities, structure include pedestal, support plate, two supports
Lateral column, force application mechanism and two support chips, the support-side intercolumniation are symmetrically fixed on the base at a certain distance, the support plate
It is horizontally arranged between two side columns by what is be arranged on plate with the two support matched mounting holes of lateral column, the force application mechanism is by vertical
Fixed two spring loop bars on the supporting plate, the identical spring of two specifications, the weight being respectively fitted on two spring loop bars
Bearing plate and force application rod are constituted, and the force application rod passes perpendicularly through weight bearing plate and fixation, and the weight bearing plate passes through plate
The opposite with the matched sets of holes of spring loop bar of upper setting actively covers on two spring loop bars, and by spring supporting, exert a force rod axis
With two spring pocket rod axis on same vertical plane, and it is equidistant with two spring loop bars, and force application rod lower end movably passes perpendicularly through branch
The perforation being correspondingly arranged on fagging realizes that weight is placed on weight bearing plate drives force application rod to move down the downward pressure of application
Power, described two support chips can be relatively movably mounted on the base, and subpoint of the force rod axis on pedestal is existed
On the line in the mobile site of two support chips, it is embodied as two hard points needed for different length animal limb provides fracture fracture.
In the above-mentioned technical proposal of the utility model, support this mounting height adjustable, to adapt to body size not
Same animal is placed in the support originally space between pedestal, implements preferably following scheme: in the two sides of support plate
End face is respectively arranged with the screw hole with the perforation of two mounting holes of support plate, by with the matched screw precession screw hole of screw hole and press
Tightly on lateral column, realize support plate in the installation of lateral column arbitrary height position.Further preferably lateral column it is opposite with screw one
Face is plane, is more securely pressed on lateral column to be conducive to screw.
In the above-mentioned technical proposal of the utility model, the force application rod least significant end shape is inactive edge, for dynamic
Object bone applies the pressure of preparation fracture, and passivity can reduce the damage of soft tissue.
In the above-mentioned technical proposal of the utility model, two relatively-movable mounting means of support chip are preferably,
Subpoint of the force rod axis on pedestal is crossed on pedestal and opens up the straight for extending vertically through pedestal, simultaneously by screw difference
Removably support chip is fixed with nut in base end face after two support chips and sliding slot.This design is suitable for length not
Same Animal Bone provides two hard points for the different Animal Bone preparation fracture of length, the inactive edge of force application rod is cooperated to prepare more
Accurately, consistency and the higher fracture site of repeatability.It is L-shaped iron plate that very section, which can be selected, in support chip.
In the above-mentioned technical proposal of the utility model, which is provided with counterweight, and counterweight center offers and applies
The matched sets of holes of power bar size realize that counterweight covers the free-falling on force application rod and provides pressure on ballast support plate.Counterweight can
For circular ring shape or cube shaped.Counterweight is set as the plurality of specifications of different weight, is selected according to the different type of Animal Bone and fracture
The different parts selection counterweight weight and height of drop taken, makes counterweight fall shock intermediolateral column, so that inactive edge be made to fall system
Standby fracture.
In the above-mentioned technical proposal of the utility model, to make force application rod keep vertical drop in dropping process, avoid
Displacement in horizontal direction, can on the supporting plate, corresponding to be fixedly installed at the perforation passed through for force application rod with force application rod and
The maintenance ring of perforation coaxial line, the force application rod is also cross maintenance ring and perforation.
Compared with prior art, the utility model has the following beneficial effects:
1, fracture model preparation facilities described in the utility model applies pressure by the weight-drop of fixed weight to manufacture
Fracture, for blade whereabouts track by spring loop bar, maintenance ring co- controlling, the pressure applied when causing to fall and break is more accurately vertical
Pressure, to make experimental result stablize, and repeatability and fracture site consistency are high.
2, fracture model preparation facilities structure described in the utility model is simple, easy for installation, operation be easy, can with volume production,
Stability is high, facilitates the development of zoopery.
3, fracture model preparation facilities described in the utility model is due to being provided with spring, and passes through different weight specification
Counterweight ring so as to control force size according to type of animal and required fracture site and breaking degree, and can test
Animal wound uses when suturing, and keeps fracture strength moderate, avoids comminuted fracture, while reducing the damage to soft tissue.
4, the height of fracture model preparation facilities support plate described in the utility model is adjustable, and clamping device can carry respectively
Class long bone can apply all kinds of minitype animal experiments well.
5, fracture model preparation facilities described in the utility model only uses a preparation facilities compared to the mode of outer fixation, and
It can enable the more free activity of experimental animal.
Detailed description of the invention
Fig. 1 is zoopery fracture model preparation facilities described in the utility model；
Fig. 2 is the side view of Fig. 1；
The top view of Fig. 3 Fig. 1；
In figure, 1- pedestal, 2- support plate, 3- support lateral column, 4- spring loop bar, 5- spring, 6- weight bearing plate, 7- support
Piece, 8- maintenance ring, 9- counterweight, 10- force application rod.
Specific embodiment
Zoopery described in the utility model is made of fracture model preparation facilities into one below by specific embodiment
Walk explanation.
Embodiment 1
Described in the present embodiment fracture preparation facilities structure as shown in Figure 1, experimental animal with the system of mouse femur fracture model
For standby.
Zoopery fracture model preparation facilities structure that the present embodiment uses is as shown in Figure 1-3, structure includes pedestal
1,2, two lateral columns 3 of support plate, force application mechanism and two support chips 7, the lateral column is spaced apart to be symmetrically fixed on pedestal
On, the support plate is horizontally arranged between two side columns by what is be arranged on plate with the matched mounting hole of two side columns, specific to install
Mode are as follows: the both sides of the face of support plate are respectively arranged with the screw hole with the perforation of two mounting holes of support plate, lateral column and screw phase
Pair side be plane, by with the matched screw precession screw hole of screw hole and be pressed on lateral column, realize that support plate is appointed in lateral column
The installation of meaning height and position.The force application mechanism by be vertically fixed in support plate two spring loop bars 4, be respectively fitted over two
The identical spring 5 of two specifications, weight bearing plate 6 and force application rod 10 on spring loop bar are constituted, and the force application rod 10 is vertical
Across weight bearing plate and fixation, the weight bearing plate is opposite with the matched sets of holes of spring loop bar movable by being arranged on plate
Ground covers on two spring loop bars, and by spring supporting, 10 axis of force application rod and two spring pocket rod axis are on same vertical plane, and with two
Spring loop bar is equidistant, and force application rod lower end movably passes perpendicularly through the perforation being correspondingly arranged in support plate, realizes and accepts in weight
Weight is placed on plate drives force application rod to move down the downward pressure of application, and it is L-shaped that described two support chips, which select cross sections,
Iron plate can be relatively movably mounted on the base, mounting means are as follows: subpoint of the force rod axis on pedestal is crossed on pedestal
Offer the straight for extending vertically through pedestal, by screw respectively also cross after two support chips and sliding slot in base end face
Removably support chip is fixed with nut, is embodied as two hard points needed for different length animal limb provides fracture fracture.
The force application rod least significant end shape is inactive edge.To make force application rod keep vertical drop in dropping process, level side is avoided
Upward displacement, it is on the supporting plate, coaxial with force application rod and perforation corresponding to being fixedly installed at the perforation passed through for force application rod
The maintenance ring 8 of line, the force application rod is also cross maintenance ring and perforation.
The matched with devices is provided with cuboid counterweight 9, and counterweight center offers and the matched sets of holes of force application rod size, reality
Existing counterweight covers the free-falling on force application rod and provides pressure on ballast support plate.Whole device is furnished with 100g, 200g and 500g
Counterweight, counterweight ring passes through from force application rod, selected according to the different parts that the different type of Animal Bone and fracture are chosen by when use
Counterweight weight and height of drop are selected, counterweight is made to fall shock intermediolateral column, so that inactive edge be made to fall preparation fracture.
Experimental method:
1, operation prepares: intraperitoneal injection of anesthesia is carried out to mouse, after anaesthetizing and coming into force, in mouse femur region preserved skin.In
Make a row 0.8cm notch at mouse knee joint, separates fascia, push ligament before quadriceps muscle of thigh tendon and knee aside, it is seen that be divided into
Inside and outside two-part condyle of femur.
2, it is inserted into intramedullary needle: the intramedullary needle of a diameter 0.4mm is inserted into femur among exposed condyle of femur kneecap face
Ossis, until greater trochanter of femur.Then cutting intramedullary needle keeps it concordant with condyle of femur kneecap face.
3, preparation fracture: careful suture muscle and epidermis.The mouse thigh for being inserted into intramedullary needle is placed on fracture model system
On two support chips of standby device, holds and fix.It is placed on force application rod with 200g counterweight, at the height of weight bearing plate 10cm
Release, falls in counterweight free skating on weight bearing plate, drives force application rod to move downward, inactive edge is made to drop, and hits mouse
Fracture preparation is completed in femur corresponding position.
4, shooting X-ray film observation, it is seen that leg can see fracture, and tissue damage very little.
5,10 days, after 14 days, put to death mouse, materials, study the healing state of fracture.
Claims (10)
1. a kind of zoopery fracture model preparation facilities, it is characterised in that structure includes pedestal (1), support plate (2), two
Lateral column (3), force application mechanism and two support chips (7), the lateral column are symmetrically fixed on the base, and the support plate on plate by setting
That sets is horizontally arranged between two side columns with the matched mounting hole of two side columns, and the force application mechanism is by being vertically fixed in support plate
Two spring loop bars (4), be respectively fitted on two spring loop bars the identical spring (5) of two specifications, weight bearing plate (6)
And force application rod (10) is constituted, the force application rod passes perpendicularly through weight bearing plate and fixation, and the weight bearing plate passes through on plate
Be arranged it is opposite with the matched sets of holes of spring loop bar actively cover on two spring loop bars, by spring supporting, exert a force rod axis with
Two spring pocket rod axis are and equidistant with two spring loop bars on same vertical plane, and force application rod lower end movably passes perpendicularly through support
The perforation being correspondingly arranged on plate realizes that weight is placed on weight bearing plate drives force application rod to move down the downward pressure of application
Power, described two support chips can be relatively movably mounted on the base, and subpoint of the force rod axis on pedestal is existed
On the line in the mobile site of two support chips, it is embodied as two hard points needed for different length animal limb provides fracture fracture.
2. zoopery fracture model preparation facilities according to claim 1, it is characterised in that the both sides of the face of support plate
Be respectively arranged with the screw hole with the perforation of two mounting holes of support plate, by with the matched screw precession screw hole of screw hole and be pressed on
On lateral column, realize support plate in the installation of lateral column arbitrary height position.
3. zoopery fracture model preparation facilities according to claim 2, it is characterised in that the lateral column and screw phase
Pair side be plane.
4. the fracture model preparation facilities of zoopery described in any claim according to claim 1~3, it is characterised in that
The force application rod least significant end shape is inactive edge.
5. the fracture model preparation facilities of zoopery described in any claim according to claim 1~3, it is characterised in that
Subpoint of the force rod axis on pedestal is crossed on pedestal and offers the straight for extending vertically through pedestal, is distinguished by screw
Removably support chip is fixed with nut in base end face also cross after two support chips and sliding slot.
6. zoopery fracture model preparation facilities according to claim 4, it is characterised in that cross force application rod on pedestal
Subpoint of the axis on pedestal offers the straight for extending vertically through pedestal, is supported respectively also cross two by screw
Removably support chip is fixed with nut in base end face after piece and sliding slot.
7. the fracture model preparation facilities of zoopery described in any claim according to claim 1~3, it is characterised in that
The matched with devices is provided with counterweight, and counterweight center, which is offered, to be covered with the matched sets of holes of force application rod size, realization counterweight in force application rod
Upper free-falling provides pressure on ballast support plate.
8. zoopery fracture model preparation facilities according to claim 7, it is characterised in that the counterweight is set as not
With the multiple of weight specification.
9. the fracture model preparation facilities of zoopery described in any claim according to claim 1~3, it is characterised in that
In support plate, corresponding to be fixedly installed at the perforation passed through for force application rod with force application rod and perforate coaxial line maintenance ring (8),
The force application rod is also cross maintenance ring and perforation.
10. zoopery fracture model preparation facilities according to claim 5, it is characterised in that in support plate, correspond to
The maintenance ring (8) with force application rod and coaxial line of perforating is fixedly installed at the perforation passed through for force application rod, the force application rod is simultaneously
Across maintenance ring and perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720957492.2U CN208388792U (en) | 2017-08-02 | 2017-08-02 | Zoopery fracture model preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720957492.2U CN208388792U (en) | 2017-08-02 | 2017-08-02 | Zoopery fracture model preparation facilities |
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| Publication Number | Publication Date |
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| CN208388792U true CN208388792U (en) | 2019-01-18 |
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| CN201720957492.2U Active CN208388792U (en) | 2017-08-02 | 2017-08-02 | Zoopery fracture model preparation facilities |
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| Country | Link |
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| CN (1) | CN208388792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107468366A (en) * | 2017-08-02 | 2017-12-15 | 四川大学 | Zoopery fracture model preparation facilities |
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2017
- 2017-08-02 CN CN201720957492.2U patent/CN208388792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107468366A (en) * | 2017-08-02 | 2017-12-15 | 四川大学 | Zoopery fracture model preparation facilities |
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