CN201905991U - Stretching, pressurizing and adjusting rod for external bone fixation - Google Patents
Stretching, pressurizing and adjusting rod for external bone fixation Download PDFInfo
- Publication number
- CN201905991U CN201905991U CN2010206263313U CN201020626331U CN201905991U CN 201905991 U CN201905991 U CN 201905991U CN 2010206263313 U CN2010206263313 U CN 2010206263313U CN 201020626331 U CN201020626331 U CN 201020626331U CN 201905991 U CN201905991 U CN 201905991U
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- Prior art keywords
- adjusting rod
- trocar sheath
- inner sleeve
- bolt
- external fixation
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- 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.)
- Expired - Lifetime
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 210000003746 feather Anatomy 0.000 claims description 7
- 208000010392 Bone Fractures Diseases 0.000 description 26
- 206010017076 Fracture Diseases 0.000 description 26
- 238000000034 method Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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Abstract
The utility model provides a stretching, pressurizing and adjusting rod for external bone fixation, which comprises two sets of four-hole steel needle clips, two sets of rotating seats, two sets of sliding seats and a telescopic adjusting rod, wherein the four-hole steel needle clips are fixed on the rotating seats through bolts; the rotating seats are sleeved and fixed on rotating shafts of the sliding seats; the sliding seats are sleeved on the telescopic adjusting rod; and the four-hole steel needle clips, the rotating seats and the sliding seats are respectively sleeved at two ends of the telescopic adjusting rod. The stretching, pressurizing and adjusting rod has the advantages of adopting simple structure, being convenient to use, being light in weight, being firm and reliable and the like.
Description
Technical field
This is novel to relate to a kind of medical apparatus and instruments, and more particularly it is kind of a stretching that is used for a bone external fixation pressurization adjusting rod.
Background technology
The existing external fixator that is used to fracture is more, but existing external fixator is simple in structure than function singleness.Need the adaptability of limb lengthening relatively poor for fracture and with bony defect and cacomelia, when regulating, fracture site often needs to unclamp external fixator, perhaps bilateral adjusting simultaneously, be easy to generate regulating error, and be adjusted to the reduction of the fracture fixing after, in the fracture growth course, can not adjust again, can't regulate for the pressurization and the limb lengthening of fracture site in the fracture growth course.
Summary of the invention
For addressing the above problem, this is novel to provide a kind of stretching pressurization adjusting rod that is used for the bone external fixation, with overcome exist in the prior art for fracture and with bony defect and cacomelia need the adaptability of limb lengthening relatively poor, for pressurization and the limb lengthening deficiency that can't regulate of fracture site in the fracture growth course.
The stretching pressurization adjusting rod that is used for the bone external fixation that this is novel, it comprises 4 hole steel clips, rotation seat, slip base and telescopic adjustment bar, described 4 hole steel clips are by being bolted on the rotation seat, the rotation seat suit also is fixed on the rotating shaft of slip base, slip base is sleeved on the telescopic adjustment bar, described 4 hole steel clips, rotation seat and slip base have cover for seat, and are set in the two ends of telescopic adjustment bar.
In technique scheme, described telescopic adjustment bar one end comprises adjusting bolt, trocar sheath; Adjusting is bolted in the trocar sheath, in the other end of trocar sheath feather key is arranged; The other end of telescopic adjustment bar comprises inner sleeve, fine setting end trocar sheath, fine-tuning nut, and inner sleeve is fixed on the fine setting end trocar sheath, and fine-tuning nut is sleeved between inner sleeve and the fine setting end trocar sheath; The slippage guide groove is arranged on the inner sleeve, and feather key is positioned at the slippage guide groove, regulates bolt and is positioned at inner sleeve, regulates between bolt and the inner sleeve by being threaded.
In technique scheme, hold the two ends of trocar sheath all to be useful in described trocar sheath and fine setting and prevent that slip base from deviating from and the cushion rubber of limit slip seat shift position.
In technique scheme, in the described inner sleeve slide bolt is arranged, be set with sliding nut on the slide bolt, one end of described slide bolt and inner sleeve are by being threaded, the outer ring of described sliding nut holds trocar sheath by being threaded with fine setting, fine setting end trocar sheath and the gapped cavity of slide bolt, the stroke limit of sliding nut is in the cavity of gap.
In technique scheme, described slip base comprises rotating shaft, card falcon groove, pilot hole, pedestal, first clamping screw and distortion opening; Card falcon groove is positioned on the rotating shaft, and the lower end of rotating shaft is a pedestal, and pilot hole is arranged on the pedestal, and an end of pedestal has the distortion opening, and first clamping screw passes the distortion opening and locks pedestal.
In technique scheme, the upper surface of described rotation seat is a cambered surface, and sliding tray is arranged on the cambered surface, is rotating hole under the cambered surface, and location falcon piece is positioned at the rotating seat opening, and second clamping screw passes location falcon piece and locks rotating seat.
In technique scheme, an end of described location falcon piece is cambered surface and inserts in the card falcon groove.
Beneficial effect that this is novel to be used for stretching pressurization adjusting rod of bone external fixation is: 1,360 ° of rotations of rotating shaft that rotation seat can be on slip base, and 4 hole steel clips can the cambered surface on rotation seat rotate, and slip base can move axially along adjusting rod.2, feather key is positioned at the slippage guide groove, makes the telescopic adjustment bar move the rotation of regulating and having prevented the telescopic adjustment bar along the slippage guide groove.3, in the growth course after fracture site is fixing, can finely tune by the fine setting end, to stimulate the big growth of fracture site.The scope of fine setting can be controlled by fine-tuning nut.4, after the locking of the 4 hole steel clips at telescopic adjustment bar two ends and slip base and rotation seat, when adjusting adjusting bolt and fine-tuning nut, 4 hole steel clips can only move along the axis of telescopic adjustment bar is parallel, and moving or rotating of other directions can not take place.The treatment of the limb lengthening when 5, this novel stretching pressurization adjusting rod that is used for the bone external fixation can be used for fracture site with bony defect or malformation correction.6, this novel stretching pressurization adjusting rod that is used for the bone external fixation can pressurize to the fracture face, to promote the growth of fracture.7, this novelly has advantages such as simple in structure, easy to use, in light weight, solid and reliable.
Description of drawings
Fig. 1 is used for the structural representation of the stretching pressurization adjusting rod of bone external fixation for this is novel;
Fig. 2 is the structural representation of this novel middle pressurization adjusting rod that stretches;
Fig. 3 be this novel in the structural representation of 4 hole steel clips, rotation seat and slip base;
Fig. 4 is the structure side view of Fig. 3;
Fig. 5 is the structural representation of this novel middle slip base;
Fig. 6 is the structural representation of this novel middle rotation seat;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is the side view of Fig. 6.
The specific embodiment
Below in conjunction with Figure of description this novel stretching pressurization adjusting rod that is used for the bone external fixation is described further.
Referring to illustrated in figures 1 and 2, the stretching pressurization adjusting rod that is used for the bone external fixation that this is novel, it comprises 4 hole steel clips 1, it also comprises rotation seat 2, slip base 3, telescopic adjustment bar 4, described 4 hole steel clips 1 are fixed on the rotation seat 2 by bolt 5, rotation seat 2 suits also are fixed on the rotating shaft of slip base 3, on the slip base 3 suit telescopic adjustment bars 4, described 4 hole steel clips 1, rotation seat 2, slip base 3 has two covers, and be set in the two ends of telescopic adjustment bar 4, telescopic adjustment bar 4 one ends comprise regulates bolt 41, and trocar sheath 42 is regulated bolt 41 and is fixed in the trocar sheath 42, feather key 44 is arranged in the other end of trocar sheath 42, the other end of telescopic adjustment bar 4 comprises inner sleeve 43, fine setting end trocar sheath 46, fine-tuning nut 45, inner sleeve 43 are fixed on the fine setting end trocar sheath 46, and fine-tuning nut 45 is sleeved between inner sleeve 43 and the fine setting end trocar sheath 46; Slippage guide groove 50 is arranged on the inner sleeve 43, feather key 44 is positioned at slippage guide groove 50, regulate bolt 41 and be positioned at inner sleeve 43, by being threaded, holding the two ends of trocar sheath 46 all to be useful in trocar sheath 42 and fine setting and prevent that slip base 3 from deviating from and the cushion rubber 6 of limit slip seat 3 shift positions between adjusting bolt 41 and the inner sleeve 43.
Slide bolt 47 is arranged in the inner sleeve 43, be set with sliding nut 48 on the slide bolt 47, one end of described slide bolt 47 and inner sleeve 43 are by being threaded, the outer ring of described sliding nut 48 holds trocar sheath 46 by being threaded with fine setting, fine setting end trocar sheath 46 and slide bolt 47 gapped cavitys 49, the stroke limit of sliding nut 48 is in gap cavity 49.
Referring to Fig. 3, Fig. 4, shown in Figure 5, described slip base 3 comprises rotating shaft 31, card falcon groove 33, pilot hole 32, pedestal 35, the first clamping screws 34, distortion opening 36; Card falcon groove 33 is positioned on the rotating shaft 31, and the lower end of rotating shaft 31 is a pedestal 35, and pilot hole 32 is arranged on the pedestal 35, and an end of pedestal has distortion opening 36, the first clamping screws 34 to pass distortion opening 36 and lock pedestal 35.
Referring to Fig. 6, Fig. 7, shown in Figure 8, the upper surface of rotation seat 2 is a cambered surface, and sliding tray 21 is arranged on the cambered surface, is rotating hole 23 under the cambered surface, and location falcon piece 22 is positioned at rotating seat opening 25, the second clamping screws 24 and passes location falcon piece 22 and lock rotating seat 2.
This is novel, and to be used for the use of stretching pressurization adjusting rod of bone external fixation as follows:
When using this novel stretching that is used for the bone external fixation to pressurize adjusting rod, at first must the distance according to the draw point locating hole of 4 hole steel clips 1 penetrate draw point at the two ends of fracture site, 4 hole steel clips 1 are connected with draw point, adjust the relative position of length, 4 hole steel clips 1 and the telescopic adjustment bar 4 of telescopic adjustment bar 4, then carry out the reduction of the fracture, after definite fracture has resetted, positions such as slip base 3, rotation seat 2,4 hole steel clips 1 can be locked successively.
When fracture site has bony defect maybe to need to carry out limb lengthening, rotatable adjusting bolt 41, with the length adjustment of telescopic adjustment bar to the size that needs, reserve suitable gap, it is close that bone can be grown gradually, repeatedly repeats this process, till the length of bone reaches requirement.
Treatment at fracture site need be pressurizeed, and when stimulating the growth of fracture site, can reverse rotation regulate bolt 41, makes the contraction in length of telescopic adjustment bar, and pressurization produces suitable pressure to fracture site, to promote the growth of fracture site.
When the treatment of fracture site need be finely tuned, rotatable fine-tuning nut 45, the growth that makes the fine setting scope be suitable for fracturing, and to the suitable stimulation of fracture site generation, to promote the growth of fracture site.
Above embodiment is described this novel preferred implementation; be not that this novel scope is limited; under the prerequisite that does not break away from this new design spirit; various distortion and improvement that the common engineers and technicians in this area make this novel technical scheme all should fall in the definite protection domain of these novel claims.
Claims (7)
1. stretching pressurization adjusting rod that is used for the bone external fixation, it comprises 4 hole steel clips (1), it is characterized in that: also comprise rotation seat (2), slip base (3), telescopic adjustment bar (4), described 4 hole steel clips (1) are fixed on the rotation seat (2) by bolt (5), rotation seat (2) suit also is fixed on the rotating shaft of slip base (3), slip base (3) is sleeved on the telescopic adjustment bar (4), described 4 hole steel clips (1), rotation seat (2) and slip base (3) have two covers, and are set in the two ends of telescopic adjustment bar (4).
2. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 1, it is characterized in that: described telescopic adjustment bar (4) one ends comprise regulates bolt (41) and trocar sheath (42), regulate bolt (41) and be fixed in the trocar sheath (42), feather key (44) is arranged in the other end of trocar sheath (42); The other end of telescopic adjustment bar (4) comprises inner sleeve (43), fine setting end trocar sheath (46), fine-tuning nut (45), inner sleeve (43) is fixed on the fine setting end trocar sheath (46), and fine-tuning nut (45) is sleeved between inner sleeve (43) and the fine setting end trocar sheath (46); Slippage guide groove (50) is arranged on the inner sleeve (43), and feather key (44) is positioned at slippage guide groove (50), regulates bolt (41) and is positioned at inner sleeve (43), regulates between bolt (41) and the inner sleeve (43) by being threaded.
3. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 1 and 2 is characterized in that: all be useful at the two ends of described trocar sheath (42) and fine setting end trocar sheath (46) and prevent that slip base (3) from deviating from and the cushion rubber (6) of limit slip seat (3) shift position.
4. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 3, it is characterized in that: slide bolt (47) is arranged in the described inner sleeve (43), be set with sliding nut (48) on the slide bolt (47), one end of described slide bolt (47) and inner sleeve (43) are by being threaded, the outer ring of described sliding nut (48) holds trocar sheath (46) by being threaded with fine setting, fine setting end trocar sheath (46) and the gapped cavity of slide bolt (47) (49), the stroke limit of sliding nut (48) is in gap cavity (49).
5. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 1 and 2, it is characterized in that: described slip base (3) comprises rotating shaft (31), card falcon groove (33), pilot hole (32), pedestal (35), first clamping screw (34), with distortion opening (36), described card falcon groove (33) is positioned on the rotating shaft (31), the lower end of rotating shaft (31) is pedestal (35), pilot hole (32) is arranged on the pedestal (35), one end of pedestal (35) has distortion opening (36), and first clamping screw (34) passes distortion opening (36) and locks pedestal (35).
6. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 1 and 2, it is characterized in that: the upper surface of described rotation seat (2) is a cambered surface, sliding tray (21) is arranged on the cambered surface, it under the cambered surface rotating hole (23), location falcon piece (22) is positioned at rotating seat opening (25), and second clamping screw (24) passes location falcon piece (22) and locks rotating seat (2).
7. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 6, it is characterized in that: an end of described location falcon piece (22) is cambered surface and inserts in the card falcon groove (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206263313U CN201905991U (en) | 2010-11-26 | 2010-11-26 | Stretching, pressurizing and adjusting rod for external bone fixation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206263313U CN201905991U (en) | 2010-11-26 | 2010-11-26 | Stretching, pressurizing and adjusting rod for external bone fixation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201905991U true CN201905991U (en) | 2011-07-27 |
Family
ID=44298202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206263313U Expired - Lifetime CN201905991U (en) | 2010-11-26 | 2010-11-26 | Stretching, pressurizing and adjusting rod for external bone fixation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201905991U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283700A (en) * | 2011-09-16 | 2011-12-21 | 江苏百得医疗器械有限公司 | Orthopedic external fixation support |
| CN103054637A (en) * | 2011-10-18 | 2013-04-24 | 赵欣 | Sliding locking external fixing support |
| CN108523974A (en) * | 2018-04-13 | 2018-09-14 | 左中男 | Campaign-styled adjustable external fixer for reduction of fracture |
| CN108542482A (en) * | 2018-04-27 | 2018-09-18 | 南方医科大学南方医院 | Portable external fixing rack for the reduction of the fracture |
-
2010
- 2010-11-26 CN CN2010206263313U patent/CN201905991U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283700A (en) * | 2011-09-16 | 2011-12-21 | 江苏百得医疗器械有限公司 | Orthopedic external fixation support |
| CN102283700B (en) * | 2011-09-16 | 2013-03-20 | 江苏百得医疗器械有限公司 | Orthopedic external fixation support |
| CN103054637A (en) * | 2011-10-18 | 2013-04-24 | 赵欣 | Sliding locking external fixing support |
| CN108523974A (en) * | 2018-04-13 | 2018-09-14 | 左中男 | Campaign-styled adjustable external fixer for reduction of fracture |
| CN108523974B (en) * | 2018-04-13 | 2024-05-28 | 左中男 | Sports type adjustable fracture reduction external fixator |
| CN108542482A (en) * | 2018-04-27 | 2018-09-18 | 南方医科大学南方医院 | Portable external fixing rack for the reduction of the fracture |
| CN108542482B (en) * | 2018-04-27 | 2023-11-07 | 南方医科大学南方医院 | Portable external fixing frame for fracture reduction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO SHEN'EN MEDICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XU LIJIANG Effective date: 20150504 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315325 NINGBO, ZHEJIANG PROVINCE TO: 315000 NINGBO, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150504 Address after: Heart road 315000 in Zhejiang province Cixi city Sinpo Town, No. 518 Patentee after: Ningbo shen'en Medical Technology Co Ltd Address before: 315325 Zhejiang Province, Cixi city Sinpo town old Pu Cun Tongli Road No. 30 Patentee before: Xu Lijiang |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110727 |