CN106539616A - Monolateral fracture cradle - Google Patents
Monolateral fracture cradle Download PDFInfo
- Publication number
- CN106539616A CN106539616A CN201510592964.4A CN201510592964A CN106539616A CN 106539616 A CN106539616 A CN 106539616A CN 201510592964 A CN201510592964 A CN 201510592964A CN 106539616 A CN106539616 A CN 106539616A
- Authority
- CN
- China
- Prior art keywords
- pad
- pilot hole
- main body
- camshaft
- fracture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6458—Devices extending alongside the bones to be positioned with pin-clamps fixed at ends of connecting element
Abstract
The invention discloses monolateral fracture cradle, which includes：Fracture cradle main body, two end is provided with camshaft pilot hole, two ends of fracture cradle main body are axially disposed with pad pilot hole, the pad pilot hole is communicated with camshaft pilot hole, camshaft is installed in camshaft pilot hole, circumferentially there is annular protrusion outside the hole of pad pilot hole, the tangent plane structure being arranged symmetrically is provided with the annular protrusion；It is installed on the pressurized separators of fracture cradle main body；The pad being installed in pad pilot hole；It is installed on the straight sprig folder of fracture cradle main body, which has an installation end coordinated with fracture cradle main body, the installation end includes being provided with coupling part and the spherical part located at the coupling part free end, coupling part is arranged with the tube-in-tube structure coordinated with annular protrusion, and the inwall of the tube-in-tube structure is provided with the clamping bulge-structure being arranged symmetrically and with the tangent plane respective outer side edges.The monolateral fracture cradle is simple for structure, with compared with high operational stability and reliability.
Description
Technical field
The present invention relates to medical treatment device, more particularly, to a kind of monolateral fracture cradle.
Background technology
Traditional fracture cradle is complex in structure design, and exist during user's use job stability and
The not high problem of reliability.
The content of the invention
The purpose of the present invention is exactly to solve the above problems, there is provided it is a kind of it is simple for structure, with steady compared with high workload
The monolateral fracture cradle of qualitative and reliability.
To achieve these goals, the present invention is adopted the following technical scheme that：
Monolateral fracture cradle, which includes：
Fracture cradle main body, two end are provided with camshaft pilot hole, the axis of the camshaft pilot hole with
The axis of fracture cradle main body is mutually perpendicular to, and two ends of the fracture cradle main body are axially disposed with pad
Pilot hole, the pad pilot hole are communicated with camshaft pilot hole, are provided with cam in the camshaft pilot hole
Axle, circumferentially has annular protrusion outside the hole of the pad pilot hole, and it is right to be provided with the annular protrusion
Claim the tangent plane structure of arrangement；
The pressurized separators of fracture cradle main body are installed on, which has the installation of the installation that cooperates with camshaft hole
Axle；
The pad being installed in pad pilot hole, its back with the recess coordinated with camshaft, before the pad
Portion has a hemispheric female parts；
The straight sprig folder of fracture cradle main body is installed on, which has an installation coordinated with fracture cradle main body
End, the installation end include a coupling part for being provided with annular inner fovea part and located at the coupling part freedom
End and the spherical part coordinated with set pad in pad pilot hole, the coupling part is arranged with and convex annular
Act the tube-in-tube structure for coordinating, the bottom of the tube-in-tube structure be provided with circular bottom part and located at circular bottom part and
Connecting hole therein is assembled for coupling part, the inwall of the tube-in-tube structure is provided with and is arranged symmetrically and is cut with described
The clamping bulge-structure of face respective outer side edges.
Further, the pad is column structure, the axis and post of the hemispherical female parts set by pad front portion
The pad axis co-axial of shape structure, bearing of trend and the column structure of the recess set by the pad back
Pad axis is mutually perpendicular to.
Further, the pad is integrally formed using 7075 aluminium alloys.
Further, the annular protrusion is provided with the arc-shaped depression portion of coaxial arrangement, institute towards the end face that straight sprig is pressed from both sides
The circular bottom part for stating tube-in-tube structure is provided with the hemispherical protuberances structure coordinated with arc-shaped depression portion.
The present invention has the advantages that：The monolateral fracture cradle is simple for structure, with compared with high operational stability
And reliability.
Description of the drawings
Fig. 1 is monolateral fracture cradle structural representation.
Description of reference numerals：
1st, straight sprig folder；2nd, pressurized separators；3rd, fracture cradle main body；4th, pad；5th, camshaft.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand,
With reference to specific embodiment, the present invention is expanded on further.
As shown in figure 1, monolateral fracture cradle, which includes：Be provided with fixing screws pilot hole straight sprig folder 1,
Pressurized separators 2, fracture cradle main body 3, pad 4, camshaft 5.
Wherein, the fracture cradle main body 3, two end are provided with camshaft pilot hole, and the camshaft is assembled
The axes O 2 in hole is mutually perpendicular to the axes O 1 of fracture cradle main body, two ends of the fracture cradle main body
Portion is axial arranged pad pilot hole, and the pad pilot hole is communicated with camshaft pilot hole, fills in order to pad
It is resisted against on camshaft with rear its rear portion in place, camshaft 5 is installed in the camshaft pilot hole, it is described
Circumferentially there is annular protrusion outside the hole of pad pilot hole, be provided with what is be arranged symmetrically on the annular protrusion
Tangent plane structure.
The pressurized separators 2 of fracture cradle main body are installed on, which has the peace of the installation that cooperates with camshaft hole
Dress axle.
The pad 4 being installed in pad pilot hole, its back with the recess coordinated with camshaft, the pad
It is anterior that there are a hemispheric female parts.In this case, pad is column structure, and the pad is anterior set
The axis of hemispherical female parts and the pad axis co-axial of column structure, it is recessed set by the pad back
The bearing of trend in portion is mutually perpendicular to the pad axis of column structure, and the pad is using 7075 aluminium alloys one
Molding.
The straight sprig folder 1 of fracture cradle main body is installed on, which has an installation coordinated with fracture cradle main body
End, the installation end include a coupling part for being provided with annular inner fovea part and located at the coupling part freedom
End and the spherical part 10 coordinated with set pad in pad pilot hole, the coupling part is arranged with and annular
The tube-in-tube structure 11 of male cooperation, the bottom of the tube-in-tube structure are provided with circular bottom part and located at annular bottom
Portion and assemble connecting hole therein for coupling part, the inwall of the tube-in-tube structure be provided be arranged symmetrically and with institute
The clamping bulge-structure of tangent plane respective outer side edges is stated, when the clamping bulge-structure of tube-in-tube structure corresponds to annular protrusion
Tangent plane structure then tube-in-tube structure can be fully inserted into annular protrusion, when rotate the tube-in-tube structure after, then
The tube-in-tube structure is directly connected on the inwall of clamping bulge-structure by annular protrusion, so that whole straight
Sprig folder 1 cannot be pulled from fracture cradle main body.
The annular protrusion is provided with the arc-shaped depression portion of coaxial arrangement, the sleeve knot towards the end face that straight sprig is pressed from both sides
The circular bottom part of structure is provided with the hemispherical protuberances structure coordinated with arc-shaped depression portion, when two hemispherical protuberances knots
After structure is corresponded in arc-shaped depression portion, whole tube-in-tube structure plays certain fixation.
The assemble flow of the monolateral fracture cradle is：
1.1 inspection piece surfaces：Whether the surface of each part has damage.Warehouse is gone in time will if any what is damaged
Change qualified part.
2.1. camshaft and eccentric washer are assembled：Camshaft is inserted in the hole of fracture cradle main body connection oral area,
Pad is inserted the connector of fracture ordinary stent main body in the centre of connector by the point of camshaft, pad
Groove must be with cam overlapping of axles (i.e. the recess at pad back be resisted against on camshaft).It should be noted that
The step installs rear camshaft rotary movable.
2.2., straight sprig folder is screwed into the connector of fracture cradle main body, i.e. tube-in-tube structure set is connected to fracture cradle
On the annular protrusion of main body.
3.1. assemble straight sprig folder：The connector of the fracture cradle main body other end is also such.Camshaft is inserted
In the hole of the rack body that enters to fracture connection oral area, pad is inserted bone in the centre of connector by the point of camshaft
The connector of folding ordinary stent main body, the groove of pad must be with cam overlapping of axles.
3.2., straight sprig folder is screwed into the other end connector of fracture cradle main body.
4.1. pressurized separators are assembled：Finally the point of camshaft is twisted in the middle of connector, lock cam axle.
Pressurized separators are inserted in the hole of two camshafts.
The inspection IS Inspection Specification of the monolateral fracture cradle：
1. check that stent components surface should be smooth, clean, must not have cutting edge of a knife or a sword rib, burr, indenture and crackle etc.
Defect.
2. check that the extrusome of support there should be scale, scale should be complete, clear, and range of accommodation should meet nominal value
Requirement.
3. check that each part of support answers no-float；Rotatable parts rotate when should activity freely, without stucking phenomena；
Adjusting means should be adjusted freely；Locking device answers reliable lock, non-loosening phenomenon.
4. support coupling mechanism force：Locking exterior fixation bracket bulb, stationary body, in nail clip mid portion vertical hanging
3kg counterweights, nail clip must not produce loosening and displacement with main part.
5. coupling mechanism force is clamped：Test bar is filled in into nail clip fixation, the vertical hanging 5kg counterweights on test bar,
Must not occur loosening, displacement between nail clip and test bar.
The preferred embodiment of the present invention is the foregoing is only, protection scope of the present invention is not limited in above-mentioned reality
Mode is applied, every technical scheme for belonging to the principle of the invention belongs to protection scope of the present invention.For ability
For the technical staff in domain, some improvement carried out on the premise of the principle without departing from the present invention, these change
Enter.
Claims (4)
1. monolateral fracture cradle, it is characterised in that include：
Fracture cradle main body, two end are provided with camshaft pilot hole, the axis of the camshaft pilot hole with
The axis of fracture cradle main body is mutually perpendicular to, and two ends of the fracture cradle main body are axially disposed with pad
Pilot hole, the pad pilot hole are communicated with camshaft pilot hole, are provided with cam in the camshaft pilot hole
Axle, circumferentially has annular protrusion outside the hole of the pad pilot hole, and it is right to be provided with the annular protrusion
Claim the tangent plane structure of arrangement；
The pressurized separators of fracture cradle main body are installed on, which has the installation of the installation that cooperates with camshaft hole
Axle；
The pad being installed in pad pilot hole, its back with the recess coordinated with camshaft, before the pad
Portion has a hemispheric female parts；
The straight sprig folder of fracture cradle main body is installed on, which has an installation coordinated with fracture cradle main body
End, the installation end include a coupling part for being provided with annular inner fovea part and located at the coupling part freedom
End and the spherical part coordinated with set pad in pad pilot hole, the coupling part is arranged with and convex annular
Act the tube-in-tube structure for coordinating, the bottom of the tube-in-tube structure be provided with circular bottom part and located at circular bottom part and
Connecting hole therein is assembled for coupling part, the inwall of the tube-in-tube structure is provided with and is arranged symmetrically and is cut with described
The clamping bulge-structure of face respective outer side edges.
2. monolateral fracture cradle according to claim 1, it is characterised in that the pad is column knot
Structure, the axis of the anterior set hemispherical female parts of the pad and the pad axis co-axial of column structure, it is described
The bearing of trend of the recess set by pad back is mutually perpendicular to the pad axis of column structure.
3. monolateral fracture cradle according to claim 1 and 2, it is characterised in that the pad is adopted
7075 aluminium alloys are integrally formed.
4. monolateral fracture cradle according to claim 1, it is characterised in that the annular protrusion direction
The end face of straight sprig folder is provided with the arc-shaped depression portion of coaxial arrangement, and the circular bottom part of the tube-in-tube structure is provided with
The hemispherical protuberances structure coordinated with arc-shaped depression portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510592964.4A CN106539616A (en) | 2015-09-17 | 2015-09-17 | Monolateral fracture cradle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510592964.4A CN106539616A (en) | 2015-09-17 | 2015-09-17 | Monolateral fracture cradle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106539616A true CN106539616A (en) | 2017-03-29 |
Family
ID=58362158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510592964.4A Pending CN106539616A (en) | 2015-09-17 | 2015-09-17 | Monolateral fracture cradle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106539616A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621627A (en) * | 1984-12-18 | 1986-11-11 | Orthofix S.R.L. | External axial fixation device |
| CN204072288U (en) * | 2014-07-18 | 2015-01-07 | 常州奥斯迈医疗器械有限公司 | A kind of monolateral exterior fixation bracket |
| CN205054389U (en) * | 2015-09-17 | 2016-03-02 | 埃客(上海)医用设备有限公司 | Unilateral fracture support |
-
2015
- 2015-09-17 CN CN201510592964.4A patent/CN106539616A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621627A (en) * | 1984-12-18 | 1986-11-11 | Orthofix S.R.L. | External axial fixation device |
| CN204072288U (en) * | 2014-07-18 | 2015-01-07 | 常州奥斯迈医疗器械有限公司 | A kind of monolateral exterior fixation bracket |
| CN205054389U (en) * | 2015-09-17 | 2016-03-02 | 埃客(上海)医用设备有限公司 | Unilateral fracture support |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |