CN208892743U - A kind of external fixator for orthopedics dep bindiny mechanism - Google Patents
A kind of external fixator for orthopedics dep bindiny mechanism Download PDFInfo
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- CN208892743U CN208892743U CN201821150343.6U CN201821150343U CN208892743U CN 208892743 U CN208892743 U CN 208892743U CN 201821150343 U CN201821150343 U CN 201821150343U CN 208892743 U CN208892743 U CN 208892743U
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- threaded rod
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- hinge structure
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Abstract
The utility model discloses a kind of external fixator for orthopedics dep bindiny mechanisms, including adjusting rod, first spherical hinge structure of adjusting rod one end is set and the second spherical hinge structure of the adjusting rod other end is set, adjusting rod includes including outer tube, the adjusting nut of housing length of tube is protruded into the threaded rod of outer tube socket and for adjusting threaded rod, first spherical hinge structure includes the first bulb being mounted on outer tube and the first ball hinged support for matching with the first bulb, second spherical hinge structure includes the second bulb being mounted on threaded rod and the second ball hinged support for matching with the second bulb.The utility model solves the problems, such as to shake present in articulated shaft articulated manner serious, the relative position of the first fixed ring and the second fixed ring can be adjusted by the first spherical hinge structure of rotation and the second spherical hinge structure, the sense of discomfort that patient generates because of orthopedics fixator is alleviated, the time is saved.
Description
Technical field
The utility model belongs to Osteological, reduction of the fracture technical field, uses more particularly, to a kind of external fixator for orthopedics dep
Bindiny mechanism.
Background technique
It resetting and fixation is the key link for the treatment of fracture, good reset is conducive to the recovery of union and function,
And the fixed form fractured directly affects the healing pattern of fracture.Doctors experience and X are relied primarily on for the reset of fracture at present
Line equipment is carried out by making repeated attempts, and has very big uncertainty；Good mechanical environment is conducive to union, such as solid
It is unreasonable to determine mode, may cause nonunion.Not only wound is small for external fixator for orthopedics dep treatment fracture, but also does not need secondary
It is fixed in operation taking-up, nowadays by clinical more and more attention, especially using Ilizarov annular external fixing rack as representative
The fixed form of external fixing rack be best suitable for the normal healing rule of bone, it is not only fixed, but also can be to fracture site
It pressurizes, to adapt to the different times of union.But since Ilizarov annular external fixing rack is difficult after surgery to bone
The position of folding is adjusted, so more demanding to the reduction of the fracture in art, it is desirable that first has good reset, then carries out again outer solid
Determine the installation and fixation of frame.When clinical use, by doctors experience and x-ray equipment, first fracture is resetted, is then carried out again
Then the merging of fixed pin is installed external fixing rack again and is fixed.But experience and two-dimensional X-ray examination with doctor, are difficult to protect
Reset effect is demonstrate,proved, even if resetting satisfaction, it is also possible to which, when being placed in fixed pin, new displacement occurs again for fracture.Thus, if fixed
Needle implantation site is not good enough or the reduction of the fracture is bad, and postoperative adjustment will be abnormal difficult, so needing make repeated attempts, adjust repeatedly, very
To needing to reset again, the merging of fixed pin is completed again.In this way, not only extending operating time, increase the risk of operation, and
A large amount of x-ray radiations also will affect the health of patient and doctor.
The accuracy of the reduction of the fracture, treatment fracture can be improved using computer software for Taylor's annular external fixing rack (TSF)
When, can first carry out the merging of fixed pin first without the reduction of the fracture, then by adjusting the length of connecting rod, to fracture into
Row is resetted and is fixed.By hinged axis connection between current connecting rod and fixed ring, in actual use, articulated shaft and hinged
Fit clearance is big between seat, causes connecting rod and fixed ring junction to be shaken serious, causes external fixing rack integrally unstable, aggravate
The sense of discomfort of patient, therefore, it should design a kind of fixed external fixator for orthopedics dep bindiny mechanism.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of orthopaedics
It is serious to solve shaking present in articulated shaft articulated manner for external fixing rack bindiny mechanism, simple structure and reasonable design
Problem can adjust the opposite position of the first fixed ring and the second fixed ring by the first spherical hinge structure of rotation and the second spherical hinge structure
It sets, facilitates the reset and fixation of the bone of patients with fractures or dislocation, connection is reliable, and rotates flexibly, improves adjustable
Connection precision between connecting rod and orthopedics fixator alleviates the sense of discomfort that patient generates because of orthopedics fixator.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of external fixator for orthopedics dep connection
Mechanism, it is characterised in that: including adjusting rod, first spherical hinge structure of described adjusting rod one end is set and is arranged in the adjusting
Second spherical hinge structure of the bar other end, the adjusting rod include the threaded rod and use for including outer tube and outer tube socket
The adjusting nut of the housing length of tube is protruded into the adjusting threaded rod, first spherical hinge structure includes being mounted on outer tube
On the first bulb and the first ball hinged support for being matched with first bulb, second spherical hinge structure include being mounted on spiral shell
The second bulb on rasp bar and the second ball hinged support matched with second bulb, first bulb and the second bulb
Structure is identical, and first ball hinged support is identical with the structure of second ball hinged support, first ball hinged support and described
Second ball hinged support includes the hemispherical shell that two make-ups are laid and the lock sleeve being sleeved on two hemispherical shells, institute
The hemispherical groove for offering on hemispherical shell and matching with the first bulb or the second bulb is stated, the lock sleeve passes through fastening
Part is fixedly connected with the first fixed ring of external fixator for orthopedics dep or the second fixed ring.
Above-mentioned a kind of external fixator for orthopedics dep bindiny mechanism, it is characterised in that: the fastener is bolt.
Above-mentioned a kind of external fixator for orthopedics dep bindiny mechanism, it is characterised in that: the outer tube opens up in the axial direction
Have threaded rod installation cavity open at one end, offered in the axial direction on the tube wall of the outer tube in lead to sliding slot, the housing
Pipe be located in lead to sliding slot side surface on be provided with length scale in the axial direction.
Above-mentioned a kind of external fixator for orthopedics dep bindiny mechanism, it is characterised in that: the threaded rod is located inside outer tube
One end instruction pin, the axis of the instruction pin and the axis perpendicular of the threaded rod are installed, the threaded rod is located at outer
The holding screw for locking the instruction pin is provided on the end face of one end of inside pipe casing.
A kind of above-mentioned external fixator for orthopedics dep bindiny mechanism, it is characterised in that: the adjusting nut by screw thread hole section and
Unthreaded hole section composition, the unthreaded hole section, which axially offers, multiple subtracts separation fracture.
Above-mentioned a kind of external fixator for orthopedics dep bindiny mechanism, it is characterised in that: along diameter on the inner surface of the unthreaded hole section
Direction is provided with annular projection, the end of the outer tube radially offers the card matched with the annular projection
Tankage.
Compared with the prior art, the utility model has the following advantages:
1, the utility model is by being arranged the first spherical hinge structure in one end of adjusting rod, in the other end setting the of adjusting rod
Two spherical hinge structures, first spherical hinge structure include the first bulb and the first ball hinged support, and second spherical hinge structure includes the
Two bulbs and the second ball hinged support, compared with articulated shaft articulated manner in the prior art, the first spherical hinge structure and the second flexural pivot
Structure solves the problems, such as to shake present in articulated shaft articulated manner serious, passes through rotation the first spherical hinge structure and the second flexural pivot
Structure can adjust the relative position of the first fixed ring and the second fixed ring, facilitate the bone of patients with fractures or dislocation reset and
Fixed, connection is reliable, and rotates flexible.
2, in the present embodiment, adjusting rod includes the outer tube and threaded rod being mutually socketed, and installation and institute on outer tube
The adjusting nut that threaded rod matches is stated, when screwing adjusting nut, adjusting nut only relatively rotates with outer tube, and spiral shell
Rasp bar can move linearly under the drive of adjusting nut along the axis direction of adjusting nut, can realize to this connection
The purpose that pole length is adjusted, operating method are simple, convenient.
3, the structure of the first bulb of the utility model and the second bulb is identical, first ball hinged support and second ball
The structure of hinged-support is identical, and first ball hinged support and second ball hinged support are split type, and first flexural pivot
Support and second ball hinged support include the hemispherical shell and be sleeved on two hemispherical shells that two make-ups are laid
Lock sleeve, offer the hemispherical groove to match with the first bulb or the second bulb on the hemispherical shell, actually make
First bulb or the second bulb are installed in the hemispherical shell body of two make-ups laying by the used time, recycle lock sleeve by two
A hemispherical shell locking is integrated, simple in construction, easy to disassemble and assemble, manufacture easy to process.
4, the utility model simple structure and reasonable design, connection is reliable, easy to promote and utilize.
In conclusion the utility model simple structure and reasonable design, solves shaking present in articulated shaft articulated manner
Serious problem can adjust the first fixed ring and the second fixed ring by the first spherical hinge structure of rotation and the second spherical hinge structure
Relative position facilitates the reset and fixation of the bone of patients with fractures or dislocation, and connection is reliable, and rotates flexibly, improves this
Connection precision between adjustable connecting rod and orthopedics fixator alleviates the discomfort that patient generates because of orthopedics fixator
Sense.
Below by drawings and examples, the utility model is further described in detail.
Detailed description of the invention
Fig. 1 is the use state diagram of the utility model.
Fig. 2 is the connection relationship diagram of the utility model outer tube and the first bulb.
Fig. 3 is the connection relationship diagram of the utility model threaded rod and the second bulb.
Fig. 4 is the structural schematic diagram of the utility model hemispherical shell.
Fig. 5 is the connection relationship diagram of the hemispherical shell of two make-ups of the utility model.
Fig. 6 is the structural schematic diagram of the utility model adjusting nut.
Fig. 7 is the structural schematic diagram of the utility model bolt.
Fig. 8 is the top view of Fig. 7.
Description of symbols:
1-outer loop bar；1-1-installation cavity；Lead to sliding slot in 1-2-；
1-3-card holding trough；2-threaded rods；2-1-instruction pin mounting hole；
2-2-holding screw mounting hole；3-adjusting nuts；3-1-screw thread hole section；
3-2-subtracts separation fracture；3-3-annular projection；4-instruction pins；
5-holding screws；6-the first bulb；7-1-hemispherical shell；
7-1-1-hemispherical groove；7-2-lock sleeve；8-the second bulb；
9-the first fixed ring；10-the second fixed ring；11-bolts；
11-1-hexagonal hole.
Specific embodiment
As shown in Figures 1 to 5, the utility model includes adjusting rod, the first flexural pivot knot that described adjusting rod one end is arranged in
Structure and the second spherical hinge structure that the adjusting rod other end is arranged in, the adjusting rod include including outer tube 1 and the housing
The threaded rod 2 of the socket of pipe 1 and the adjusting nut 3 that 1 length of outer tube is protruded into for adjusting the threaded rod 2, described first
Spherical hinge structure includes the first bulb 6 being mounted on outer tube 1 and the first ball hinged support matched with first bulb 6,
Second spherical hinge structure includes the second bulb 8 being mounted on threaded rod 2 and the second ball matched with second bulb 8
Hinged-support, first bulb 6 is identical with the structure of the second bulb 8, first ball hinged support and second ball hinged support
Structure it is identical, first ball hinged support and second ball hinged support include the hemispherical shell 7- that two make-ups are laid
1 and the lock sleeve 7-2, the hemispherical shell 7-1 that are sleeved on two hemispherical shell 7-1 on offer and the first bulb 6
Or second bulb 8 the hemispherical groove 7-1-1 that matches, the lock sleeve 7-2 pass through fastener and external fixator for orthopedics dep the
One fixed ring 9 or the second fixed ring 10 are fixedly connected.
In the present embodiment, by the way that the first spherical hinge structure is arranged in one end of adjusting rod, in the other end setting the of adjusting rod
Two spherical hinge structures, first spherical hinge structure include the first bulb 6 and the first ball hinged support, and second spherical hinge structure includes the
Two bulbs 8 and the second ball hinged support, compared with articulated shaft articulated manner in the prior art, the first spherical hinge structure and the second flexural pivot
Structure solves the problems, such as to shake present in articulated shaft articulated manner serious, passes through rotation the first spherical hinge structure and the second flexural pivot
Structure can adjust the relative position of the first fixed ring 9 and the second fixed ring 10, facilitate answering for the bone of patients with fractures or dislocation
Position and fixed, connection is reliable, and rotates flexible.
In the present embodiment, adjusting rod includes the outer tube 1 and threaded rod 2 being mutually socketed, and installation and institute on outer tube 1
The adjusting nut 3 that threaded rod 2 matches is stated, when screwing adjusting nut 3, with outer tube 1 opposite turn occurs for adjusting nut 3
It is dynamic, and threaded rod 2 can move linearly under the drive of adjusting nut 3 along the axis direction of adjusting nut 3, it can be real
Now to the purpose of this connecting rod length adjustment, operating method is simple, convenient.
In the present embodiment, first bulb 6 is identical with the structure of the second bulb 8, first ball hinged support and described
The structure of second ball hinged support is identical, first ball hinged support and second ball hinged support be it is split type, and described
One ball hinged support and second ball hinged support include the hemispherical shell 7-1 and be sleeved on two hemisphere that two make-ups are laid
It offers on lock sleeve 7-2, the hemispherical shell 7-1 on shape shell 7-1 and matches with the first bulb 6 or the second bulb 8
Hemispherical groove 7-1-1, in actual use, by the first bulb 6 or the second bulb 8 be installed on two make-ups laying hemisphere
In shape shell 7-1, lock sleeve 7-2 is recycled to be integrated two hemispherical shell 7-1 lockings, it is simple in construction, easy to disassemble and assemble, just
In processing and manufacturing.
As shown in Figure 1, the fastener is bolt 11, and the end of lock sleeve 7-2 offers and bolt 11 in the present embodiment
The threaded hole of cooperation, connection is reliable, convenient for disassembly and assembly.
As shown in Figure 7 and Figure 8, regular hexagon hole 11-1 is offered on the hexagonal (hexagon)nut of the bolt 11, in actual use,
The quantity of the required adjustable connecting rod of sheet is multiple on external fixator for orthopedics dep, and multiple adjustable connecting rods are along first
The circumferential direction of fixed ring 9 or the second fixed ring 10 is uniformly distributed, when the distance between two neighboring bolt 11 is excessively close, causes
Bolt 11 tighten it is extremely difficult, therefore, by offering regular hexagon hole 11-1 on the hexagonal (hexagon)nut of bolt 11, using interior six
Angle spanner tightens bolt 11, when the distance between two neighboring bolt 11 is tightened using common wrench enough,
It then can use common wrench to tighten bolt 11, easy to operate, tightening way is flexible, applied widely.
As shown in Fig. 2, the outer tube 1 offers threaded rod installation open at one end in the axial direction in the present embodiment
Chamber 1-1, offered on the tube wall of the outer tube 1 in the axial direction in lead to sliding slot 1-2, the outer tube 1 be located in lead to sliding slot
It is provided with length scale in the axial direction on the surface of the side 1-2.
As shown in figures 1 and 3, in the present embodiment, one end that the threaded rod 2 is located inside outer tube 1 is equipped with instruction
Pin 4, the axis of the instruction pin 4 and the axis perpendicular of the threaded rod 2, the threaded rod 2 are located at one inside outer tube 1
The holding screw 5 for locking the instruction pin 4 is provided on the end face at end.
In the present embodiment, by leading to sliding slot 1-2 in outer tube 1 opens up in the axial direction, and it is located at housing in threaded rod 2
One end installation instruction pin 4 inside pipe 1, threaded rod 2 is able to drive instruction pin 4 and slides in logical sliding slot 1-2 in, due to outer tube
1 be located in lead to the side sliding slot 1-2 surface on be provided with length scale in the axial direction, therefore, indicate pin 4 in lead to sliding slot
The length of 1-2 sliding can intuitively show that operator can clearly determine the length adjusted by length scale
Size does not need screwing or being screwed counterclockwise to adjust clockwise repeatedly, can accomplish to shoot the arrow at the target, degree of regulation is high, makes
It is good with effect.
As shown in fig. 6, the adjusting nut 3 is made of screw thread hole section 3-1 and unthreaded hole section, the unthreaded hole in the present embodiment
Section, which axially offers, multiple subtracts separation fracture 3-2.
In the present embodiment, annular projection 3-3, the outer tube are radially provided on the inner surface of the unthreaded hole section
1 end radially offers the card holding trough 1-3 matched with the annular projection 3-3.
In the present embodiment, the adjusting nut 3 is made of screw thread hole section 3-1 and unthreaded hole section, screw thread hole section 3-1 and threaded rod
2 match, and the unthreaded hole section is installed on outer tube 1, by being radially arranged on the inner surface of the unthreaded hole section
Annular projection 3-3 radially opens up the card holding trough 1-3 matched with the annular projection 3-3 in the end of outer tube 1,
When actual installation, need that the unthreaded hole section is sleeved on outer tube 1 using the mounting means squeezed, due to unthreaded hole section edge
Axial direction offer it is multiple subtract separation fracture 3-2, therefore, weight squeeze under the action of, the open end meeting of the unthreaded hole section
Enlargement deformation is generated, until annular projection 3-3 is installed in card holding trough 1-3, after removing the active force that weight squeezes, the light
The open end of hole section can restore to the original state.
In actual use, outer tube 1 is integrated with 6 processing and fabricating of the first bulb, and threaded rod 2 and the processing of the second bulb 8 are made
As one, it is only necessary to be integrated the first ball hinged support and the installation of the first bulb 6, by the second ball hinged support and the second bulb 8
Installation is integrated, and bolt 11 is recycled to consolidate the first fixed ring 9 of the lock sleeve 7-2 of the first spherical hinge structure and external fixator for orthopedics dep
Fixed connection recycles bolt 11 that second fixed ring 10 of the lock sleeve 7-2 of the second spherical hinge structure and external fixator for orthopedics dep is fixed
Connection adjusts the length of this adjustable connecting rod by screwing adjusting nut 3, fixed so as to adjust the first fixed ring 9 and second
The relative position of ring 10 facilitates the reset and fixation of the bone of patients with fractures or dislocation.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (6)
1. a kind of external fixator for orthopedics dep bindiny mechanism, it is characterised in that: including adjusting rod, described adjusting rod one end is arranged in
First spherical hinge structure and the second spherical hinge structure that the adjusting rod other end is set, the adjusting rod include outer tube (1), with
The threaded rod (2) of outer tube (1) socket and the tune that the outer tube (1) length is protruded into for adjusting the threaded rod (2)
Save nut (3), first spherical hinge structure include the first bulb (6) for being mounted on outer tube (1) and with first bulb
(6) the first ball hinged support matched, second spherical hinge structure include the second bulb (8) for being mounted on threaded rod (2) and
The second ball hinged support matched with second bulb (8), first bulb (6) is identical with the structure of the second bulb (8),
First ball hinged support is identical with the structure of second ball hinged support, first ball hinged support and the second flexural pivot branch
Seat includes the hemispherical shell (7-1) that two make-ups are laid and the lock sleeve (7- being sleeved on two hemispherical shells (7-1)
2), the hemispherical groove (7- to match with the first bulb (6) or the second bulb (8) is offered on the hemispherical shell (7-1)
1-1), the lock sleeve (7-2) is solid by the first fixed ring (9) or the second fixed ring (10) of fastener and external fixator for orthopedics dep
Fixed connection.
2. a kind of external fixator for orthopedics dep bindiny mechanism described in accordance with the claim 1, it is characterised in that: the fastener is spiral shell
Bolt (11).
3. a kind of external fixator for orthopedics dep bindiny mechanism according to claim 2, it is characterised in that: the outer tube (1)
Threaded rod installation cavity (1-1) open at one end is offered in the axial direction, is opened in the axial direction on the tube wall of the outer tube (1)
In being equipped with lead to sliding slot (1-2), the outer tube (1) be located in lead to the side sliding slot (1-2) surface on be provided in the axial direction
Length scale.
4. a kind of external fixator for orthopedics dep bindiny mechanism described in accordance with the claim 3, it is characterised in that: the threaded rod (2)
One end internal positioned at outer tube (1) is equipped with instruction pin (4), the axis of the instruction pin (4) and the axis of the threaded rod (2)
Line is perpendicular, and the threaded rod (2), which is located on the end face of the internal one end of outer tube (1), is provided with the locking instruction pin (4)
Holding screw (5).
5. a kind of external fixator for orthopedics dep bindiny mechanism described in accordance with the claim 3, it is characterised in that: the adjusting nut
(3) it is made of screw thread hole section (3-1) and unthreaded hole section, the unthreaded hole section, which axially offers, multiple subtracts separation fracture (3-2).
6. a kind of external fixator for orthopedics dep bindiny mechanism according to claim 5, it is characterised in that: the unthreaded hole section it is interior
Radially be provided on surface annular projection (3-3), the end of the outer tube (1) radially offer with it is described
The card holding trough (1-3) that annular projection (3-3) matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821150343.6U CN208892743U (en) | 2018-07-19 | 2018-07-19 | A kind of external fixator for orthopedics dep bindiny mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821150343.6U CN208892743U (en) | 2018-07-19 | 2018-07-19 | A kind of external fixator for orthopedics dep bindiny mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208892743U true CN208892743U (en) | 2019-05-24 |
Family
ID=66567696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821150343.6U Active CN208892743U (en) | 2018-07-19 | 2018-07-19 | A kind of external fixator for orthopedics dep bindiny mechanism |
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| CN (1) | CN208892743U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112641207A (en) * | 2020-12-21 | 2021-04-13 | 淄博银都伟业厨房设备有限公司 | Field operations back of body frame |
| CN113598916A (en) * | 2021-08-11 | 2021-11-05 | 中国人民解放军西部战区总医院 | Reduction fixing frame for orthopedics department |
| CN113623588A (en) * | 2021-08-24 | 2021-11-09 | 智城六新数字科技研究院(南京)有限公司 | Integrative lamp pole of wisdom based on thing networked control |
-
2018
- 2018-07-19 CN CN201821150343.6U patent/CN208892743U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112641207A (en) * | 2020-12-21 | 2021-04-13 | 淄博银都伟业厨房设备有限公司 | Field operations back of body frame |
| CN113598916A (en) * | 2021-08-11 | 2021-11-05 | 中国人民解放军西部战区总医院 | Reduction fixing frame for orthopedics department |
| CN113598916B (en) * | 2021-08-11 | 2022-07-08 | 中国人民解放军西部战区总医院 | Reset fixing frame for orthopedics department |
| CN113623588A (en) * | 2021-08-24 | 2021-11-09 | 智城六新数字科技研究院(南京)有限公司 | Integrative lamp pole of wisdom based on thing networked control |
| CN113623588B (en) * | 2021-08-24 | 2023-06-30 | 智城六新数字科技研究院(南京)有限公司 | Intelligent integrated lamp post based on control of Internet of things |
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