CN208892744U - A kind of quick adjusting rod of external fixator for orthopedics dep - Google Patents
A kind of quick adjusting rod of external fixator for orthopedics dep Download PDFInfo
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- CN208892744U CN208892744U CN201821153066.4U CN201821153066U CN208892744U CN 208892744 U CN208892744 U CN 208892744U CN 201821153066 U CN201821153066 U CN 201821153066U CN 208892744 U CN208892744 U CN 208892744U
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- outer tube
- adjusting
- threaded rod
- hole section
- thread bush
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Abstract
The utility model discloses a kind of quick adjusting rods of external fixator for orthopedics dep, including outer tube, the adjusting component of housing length of tube is protruded into the threaded rod of outer tube socket and for adjusting threaded rod, adjusting component includes the adjusting thread bush for being installed on the clamping axle sleeve of outer tube one end and connecting with clamping axle sleeve, axle sleeve is clamped to be made of unthreaded hole section and screw thread hole section, it adjusts and is provided with the internal screw thread matched with threaded rod on the inner surface of thread bush, it adjusts and is provided with the external screw thread matched with screw thread hole section on the outer surface of thread bush, adjust the grip block being provided on thread bush for clamping, outer tube is provided with the first holding screw in the radial direction.The utility model can be realized the quick adjusting of this adjusting pole length, by way of quickly adjusting and combining with accurate adjustment, the bone of patients with fractures or deformity is resetted and is corrected, easy to operate, stability is good, saves the time.
Description
Technical field
The utility model belongs to Osteological, reduction of the fracture technical field, and in particular to a kind of external fixator for orthopedics dep use is fast
Velocity modulation pole.
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 adjusting rod, to fracture or
The bone of dislocation is resetted and is fixed.But, during actual use, existing adjusting rod has the following defects；1, adjusting rod
Stability is poor, convenience is poor, can not realize quick adjusting, waste time, delay resets and regular time；2, existing
Quick adjusting nut volume is big, and weight weight increases the sense of discomfort of patient.Therefore, it should provide it is a kind of it is fixed, be easy to adjust
Section, and the quick adjusting rod of the external fixator for orthopedics dep of small volume.
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
The quick adjusting rod of external fixing rack, simple structure and reasonable design, operating method is simple, convenient, and adjusting component includes clamping axis
Set and adjusting thread bush, clamp axle sleeve and adjusting thread bush is threadedly coupled, and can be realized the quick adjusting of this adjusting pole length, logical
The mode that too fast velocity modulation section and accurate adjustment combine is resetted and is corrected to the bone of patients with fractures or deformity, easy to operate, is stablized
Property is good, saves the time, using effect is good.
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 use is quick
Adjusting rod, it is characterised in that: protruded into including outer tube, with the threaded rod of outer tube socket and for adjusting the threaded rod
The adjusting component of the housing length of tube, it is described adjust component include be installed on described outer tube one end clamping axle sleeve and with institute
The adjusting thread bush for clamping axle sleeve connection is stated, the clamping axle sleeve is made of unthreaded hole section and screw thread hole section, the adjusting thread bush
Inner surface on be provided with the internal screw thread matched with the threaded rod, be provided on the outer surface for adjusting thread bush and institute
The external screw thread that screw thread hole section matches is stated, it is described to adjust the grip block being provided on thread bush for clamping, the outer tube
It is provided with the first holding screw in the radial direction.
The quick adjusting rod of above-mentioned a kind of external fixator for orthopedics dep, it is characterised in that: the outer tube is opened in the axial direction
Equipped with 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, it is described outer
Casing be located in lead to sliding slot side surface on be provided with length scale in the axial direction, the threaded rod is located inside outer tube
One end be equipped with instruction pin.
A kind of quick adjusting rod of above-mentioned external fixator for orthopedics dep, it is characterised in that: it is described instruction pin axis with it is described
The axis perpendicular of threaded rod, the threaded rod, which is located on the end face of one end inside outer tube, is provided with the locking instruction pin
The second holding screw.
The quick adjusting rod of above-mentioned a kind of external fixator for orthopedics dep, it is characterised in that: the unthreaded hole section is axially
Offer it is multiple subtract separation fracture, annular projection, the annular projection are radially provided on the inner surface of the unthreaded hole section
Positioned at the orifice position of the unthreaded hole section.
The quick adjusting rod of above-mentioned a kind of external fixator for orthopedics dep, it is characterised in that: the end of the outer tube is radially
Direction offers the card holding trough matched with the annular projection.
The quick adjusting rod of above-mentioned a kind of external fixator for orthopedics dep, it is characterised in that: the shape of the grip block is positive six
Side shape.
Compared with the prior art, the utility model has the following advantages:
1, outer tube and threaded rod that the utility model is mutually socketed by setting, and be arranged and protruded into for adjusting threaded rod
The adjusting component of housing length of tube, and adjusting component includes clamping axle sleeve and adjusting thread bush, clamps axle sleeve and adjusts thread bush
Be threadedly coupled, when clamp axle sleeve and adjust thread bush separate when, due between threaded rod and outer tube, threaded rod and clamping axle sleeve
Between there is no be threadedly coupled relationship, therefore it may only be necessary to Manual push-pull threaded rod, threaded rod can be in outer tube
Portion fast moves, to realize the quick adjusting to this adjusting pole length；Connect when clamping axle sleeve and adjusting screw thread external threading
When being connected in integrated, when screwing adjusting thread bush manually, adjusts thread bush and clamping axle sleeve rotates simultaneously, threaded rod can be outside
Slowly movement occurs in casing, so that the accurate adjustment to this adjusting pole length is realized, by quickly adjusting the side combined with accurate adjustment
Formula is resetted and is corrected to the bone of patients with fractures, and easy to operate, stability is good, saves the time, and using effect is good.
2, the utility model is by the first holding screw of setting in the radial direction in outer tube, when Manual push-pull screw thread
Bar, after fast moving threaded rod in the inside of outer tube, using the first holding screw to threaded rod and outer tube into
Row is fixed temporarily；When needing to carry out accurate adjustment to this adjusting pole length, adjusting thread bush, thread bush and card to be regulated are screwed manually
After dress axle sleeve and threaded connection are integrated, the first holding screw is unclamped, while screwing to adjust thread bush and clamp axle sleeve and exchange
Pole length carries out accurate adjustment, after this adjusting pole length accurate adjustment in place, then the first holding screw is tightened, by outer tube and threaded rod
Final fixation is carried out, structure is simple, easy to operate.
3, the utility model is by being radially arranged annular projection on the inner surface of the unthreaded hole section, in outer tube
End radially open up the card holding trough matched with the annular projection, when actual installation, need using the peace squeezed
The unthreaded hole section is sleeved on outer tube by dress mode, is split since the unthreaded hole section axially offers multiple subtract
Gap, therefore, under the action of weight squeezes, the open end of the unthreaded hole section can generate enlargement deformation, until annular projection clamps
In card holding trough, after removing the active force that weight squeezes, the open end of the unthreaded hole section can restore to the original state.
4, the utility model simple structure and reasonable design, it is easy to adjust, it is easy to promote and utilize.
In conclusion the utility model simple structure and reasonable design, operating method is simple, convenient, and adjusting component includes card
It fills axle sleeve and adjusts thread bush, clamp axle sleeve and be threadedly coupled with thread bush is adjusted, can be realized the fast velocity modulation of this adjusting pole length
Section is resetted and is corrected to the bone of patients with fractures or deformity by way of quickly adjusting and combining with accurate adjustment, operation letter
It is single, the time is saved, using effect is good.
Below by drawings and examples, the utility model is further described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the use state diagram that the utility model is quickly adjusted.
Fig. 3 is the structural schematic diagram of the utility model outer tube.
Fig. 4 is the structural schematic diagram of the utility model threaded rod.
Fig. 5 is the structural schematic diagram that the utility model clamps axle sleeve.
Fig. 6 is the structural schematic diagram that the utility model adjusts thread bush.
Description of symbols:
1-outer tube；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；
3-clamp axle sleeve；3-1-unthreaded hole section；3-2-subtracts separation fracture；
3-3-annular projection；3-4-screw thread hole section；4-instruction pins；
5-the first holding screw；6-adjust thread bush；6-1-internal screw thread；
6-2-external screw thread；6-3-grip block；7-the second holding screw.
Specific embodiment
As shown in Figures 1 to 5, the utility model includes outer tube 1, the threaded rod 2 being socketed with the outer tube 1 and is used for
The adjusting component that the threaded rod 2 protrudes into 1 length of outer tube is adjusted, the adjusting component includes being installed on the outer tube
The clamping axle sleeve 3 of 1 one end and with the adjusting thread bush 6 that connect of clamping axle sleeve 3, the clamping axle sleeve 3 by unthreaded hole section 3-1 with
Screw thread hole section 3-4 is formed, and is provided with the internal screw thread 6- matched with the threaded rod 2 on the inner surface for adjusting thread bush 6
1, it is described adjust thread bush 6 outer surface on be provided with the external screw thread 6-2 matched with the screw thread hole section 3-4, the adjusting
The grip block 6-3 for clamping is provided on thread bush 6, the outer tube 1 is provided with the first holding screw in the radial direction
5。
In the present embodiment, by the way that the outer tube 1 and threaded rod 2 that are mutually socketed is arranged, and it is arranged and is stretched for adjusting threaded rod 2
Enter the adjusting component of 1 length of outer tube, and adjusting component includes clamping axle sleeve 3 and adjusting thread bush 6, clamp axle sleeve 3 and adjust
Thread bush 6 be threadedly coupled, when clamp axle sleeve 3 and adjust thread bush 6 separate when, due between threaded rod 2 and outer tube 1, screw thread
There is no the relationship being threadedly coupled between bar 2 and clamping axle sleeve 3, therefore it may only be necessary to Manual push-pull threaded rod 2, threaded rod 2 is just
It can be fast moved in the inside of outer tube 1, to realize the quick adjusting to this adjusting pole length；When clamping axle sleeve 3
When being integrated with the adjusting threaded connection of thread bush 6, when screwing adjusting thread bush 6 manually, clamps axle sleeve 3 and adjust thread bush 6
It rotates simultaneously, slowly movement can occur in outer tube 1 and pass through to realize the accurate adjustment to this adjusting pole length for threaded rod 2
The mode combined with accurate adjustment is quickly adjusted, the bone of patients with fractures is resetted and corrected, it is easy to operate, the time is saved, is made
It is good with effect.
In the present embodiment, be in the purpose for being provided with the first holding screw 5 in the radial direction of outer tube 1: first is tight
Determining screw 5 can be fixed by threaded rod 2 and outer tube 1, in actual use, when Manual push-pull threaded rod 2, makes threaded rod 2 outside
After the inside of casing 1 fast moves, threaded rod 2 and outer tube 1 are fixed temporarily using the first holding screw 5；
When needing to carry out accurate adjustment to this adjusting pole length, screws adjust thread bush 6 manually, thread bush 6 to be regulated and clamping 3 He of axle sleeve
After threaded connection is integrated, unclamp the first holding screw 5, while screw adjust thread bush 6 and clamp axle sleeve 3 it is long to adjusting rod
Degree carries out accurate adjustment, after this adjusting pole length accurate adjustment in place, then tightens the first holding screw 5, by outer tube 1 and threaded rod 2 into
The final fixation of row, structure is simple, easy to operate.
As shown in figure 5, the clamping axle sleeve 3 is made of unthreaded hole section 3-1 and screw thread hole section 3-4 in the present embodiment, actually make
Used time, unthreaded hole section 3-1 are installed on outer tube 1, and screw thread hole section 3-4 is connect with thread bush 6 is adjusted, so that clamping axle sleeve 3 and adjusting
The operation for saving the separation of thread bush 6 or connection is very simple.
As shown in fig. 6, by the way that internal screw thread 6-1 is arranged on the inner surface for adjusting thread bush 6, being adjusted in the present embodiment
External screw thread 6-2 is set on the outer surface of thread bush 6, in actual use, adjusts the internal screw thread 6-1 and 2 screw thread of threaded rod of thread bush 6
Cooperation, the external screw thread 6-2 and screw thread hole section 3-4 for adjusting thread bush 6 are threadedly engaged, easy to operate, and cooperation precision is high.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, the outer tube 1 offers spiral shell open at one end in the axial direction
Rasp bar installation cavity 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 is located at
In lead to the side sliding slot 1-2 surface on be provided with length scale in the axial direction, the threaded rod 2 is located inside outer tube 1
One end is equipped with instruction pin 4.
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, easy to adjust, using effect is good.
In the present embodiment, the axis of the instruction pin 4 and the axis perpendicular of the threaded rod 2, the threaded rod 2 are located at
The second holding screw 7 for locking the instruction pin 4 is provided on the end face of one end inside outer tube 1.
As shown in figure 4, one end that the threaded rod 2 is located inside outer tube 1 offers and the screw thread in the present embodiment
The instruction pin mounting hole 2-1 of the axis perpendicular of bar 2.
As shown in figure 5, in the present embodiment, the unthreaded hole section 3-1 axially offer it is multiple subtract separation fracture 3-2,
Annular projection 3-3 is radially provided on the inner surface of the unthreaded hole section 3-1, the annular projection 3-3 is located at the light
The orifice position of hole section.
As shown in figure 3, the end of the outer tube 1 radially offers and the annular projection in the present embodiment
The card holding trough 1-3 that 3-3 is matched.
In the present embodiment, by the way that annular projection 3-3 is radially arranged on the inner surface of the unthreaded hole section 3-1,
The end of outer tube 1 radially opens up the card holding trough 1-3 matched with the annular projection 3-3, when actual installation, needs
The unthreaded hole section 3-1 is sleeved on outer tube 1 using the mounting means of extruding, since the unthreaded hole section 3-1 is axially square
To offer it is multiple subtract separation fracture 3-2, therefore, weight squeeze under the action of, the open end of the unthreaded hole section 3-1 can generate expansion
Large deformation, until annular projection 3-3 is installed in card holding trough 1-3, after removing the active force that weight squeezes, the unthreaded hole section 3-
1 open end can restore to the original state.
In the present embodiment, the shape of the grip block 6-3 is regular hexagon, convenient for manual operation or spanner clamping.
In actual use, the quantity that this adjustable rod is needed on each external fixator for orthopedics dep is 6~10, it is necessary first to by 6
The both ends of~10 this adjustable rods are separately mounted in two fixed rings of external fixator for orthopedics dep, then further according to reset and fixation
Needs, the length of each adjustable rod is adjusted, the process specifically adjusted are as follows: when quickly being adjusted to this adjustable rod
When, it is only necessary to it screws and adjusts thread bush 6, separate adjusting thread bush 6 with 3 phase of axle sleeve is clamped, then, along the axis of threaded rod 2
Line direction pulls threaded rod 2, slides threaded rod 2 in outer tube 1, to make the length of this adjustable rod that quickly elongation occur
Or shorten, then, outer tube 1 and threaded rod 2 are locked using the first holding screw 5；
When carrying out accurate adjustment to this adjustable rod, thread bush 6 is adjusted firstly, screwing, make to adjust thread bush 6 and clamps axle sleeve 3
It is connected, then the first holding screw 5 is unclamped, then, while screws and adjusting thread bush 6 and clamp axle sleeve 3, due to adjusting screw thread
Set 6 is threadedly coupled with threaded rod 2, so, threaded rod 2 can be under the drive for adjusting thread bush 6, along the axis for adjusting thread bush 6
Line direction moves linearly, and clamps axle sleeve 3 and only relatively rotate with outer tube 1, so that the length of this adjustable rod be made to occur
It slowly elongates or shortens, operating method is simple, convenient, and easy to adjust, using effect is good.
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 quick adjusting rod of external fixator for orthopedics dep, it is characterised in that: covered including outer tube (1), with the outer tube (1)
The threaded rod (2) that connects and the adjusting component that the outer tube (1) length is protruded into for adjusting the threaded rod (2), the adjusting
Component includes the adjusting screw thread for being installed on the clamping axle sleeve (3) of the outer tube (1) one end and connecting with clamping axle sleeve (3)
It covers (6), the clamping axle sleeve (3) is made of unthreaded hole section (3-1) and screw thread hole section (3-4), the interior table for adjusting thread bush (6)
It is provided with the internal screw thread (6-1) matched with the threaded rod (2) on face, is arranged on the outer surface for adjusting thread bush (6)
There is the external screw thread (6-2) matched with the screw thread hole section (3-4), is provided on the adjusting thread bush (6) for clamping
Grip block (6-3), the outer tube (1) are provided with the first holding screw (5) in the radial direction.
2. a kind of quick adjusting rod of external fixator for orthopedics dep described in accordance with the claim 1, 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, along axis side on the tube wall of the outer tube (1)
To in offering lead to sliding slot (1-2), the outer tube (1) be located in lead to the side sliding slot (1-2) surface on set in the axial direction
It is equipped with length scale, the threaded rod (2) is located at the internal one end of outer tube (1) and is equipped with instruction pin (4).
3. the quick adjusting rod of a kind of external fixator for orthopedics dep according to claim 2, it is characterised in that: the instruction pin
(4) axis perpendicular of axis and the threaded rod (2), the threaded rod (2) are located at the end of the internal one end of outer tube (1)
The second holding screw (7) for locking the instruction pin (4) is provided on face.
4. the quick adjusting rod of a kind of external fixator for orthopedics dep according to claim 2, it is characterised in that: the unthreaded hole section
(3-1) axially offer it is multiple subtract separation fracture (3-2), on the inner surface of the unthreaded hole section (3-1) radially
It is provided with annular projection (3-3), the annular projection (3-3) is located at the orifice position of the unthreaded hole section (3-1).
5. the quick adjusting rod of a kind of external fixator for orthopedics dep according to claim 4, it is characterised in that: the outer tube
(1) end radially offers the card holding trough (1-3) matched with the annular projection (3-3).
6. a kind of quick adjusting rod of external fixator for orthopedics dep described in accordance with the claim 1, it is characterised in that: the grip block
The shape of (6-3) is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153066.4U CN208892744U (en) | 2018-07-19 | 2018-07-19 | A kind of quick adjusting rod of external fixator for orthopedics dep |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153066.4U CN208892744U (en) | 2018-07-19 | 2018-07-19 | A kind of quick adjusting rod of external fixator for orthopedics dep |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208892744U true CN208892744U (en) | 2019-05-24 |
Family
ID=66567771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821153066.4U Active CN208892744U (en) | 2018-07-19 | 2018-07-19 | A kind of quick adjusting rod of external fixator for orthopedics dep |
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| CN (1) | CN208892744U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680491A (en) * | 2019-09-29 | 2020-01-14 | 北京市春立正达医疗器械股份有限公司 | Adjustment device for adjusting the spacing between adjacent bones |
| CN112155698A (en) * | 2020-10-14 | 2021-01-01 | 西南医科大学附属中医医院 | Angle-adjustable bone extension outer support for ulna proximal end |
| CN113952017A (en) * | 2021-10-22 | 2022-01-21 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Bone holder |
-
2018
- 2018-07-19 CN CN201821153066.4U patent/CN208892744U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680491A (en) * | 2019-09-29 | 2020-01-14 | 北京市春立正达医疗器械股份有限公司 | Adjustment device for adjusting the spacing between adjacent bones |
| CN110680491B (en) * | 2019-09-29 | 2024-06-04 | 北京市春立正达医疗器械股份有限公司 | Adjusting device for adjusting the distance between adjacent bones |
| CN112155698A (en) * | 2020-10-14 | 2021-01-01 | 西南医科大学附属中医医院 | Angle-adjustable bone extension outer support for ulna proximal end |
| CN113952017A (en) * | 2021-10-22 | 2022-01-21 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Bone holder |
| CN113952017B (en) * | 2021-10-22 | 2022-11-18 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Bone holder |
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