CN101416900B - External fixation rack elasticity device - Google Patents
External fixation rack elasticity device Download PDFInfo
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- CN101416900B CN101416900B CN2007101848893A CN200710184889A CN101416900B CN 101416900 B CN101416900 B CN 101416900B CN 2007101848893 A CN2007101848893 A CN 2007101848893A CN 200710184889 A CN200710184889 A CN 200710184889A CN 101416900 B CN101416900 B CN 101416900B
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- blood pressure
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Abstract
The invention discloses a resilient device of an external fixator in the clinical application of orthopaedics. The resilient device consists of a cylinder, a sliding axle in the cylinder, a flexible apparatus, a sliding nail body and a sliding axle stopper. An anti-spin rivet, a pressure regulation rivet, a pressure regulation nut, a tightening jack bolt, a hollow screw on the cylinder wall and a pressurization hole are arranged in the radial direction on the cylinder wall, wherein, the sliding axle stopper can be provided with a stop jack bolt in the radial direction on the cylinder wall, or a stop nut or a stop fixture block can be arranged on the sliding axle; the cylinder wall can be designed to have equal inner diameters at the upper and lower parts or have the inner diameter of the upper part at the corresponding position of the sliding axle larger than that of the lower part; the flexible device can be made into a flexible capsule or a spring; and the sliding nail body is connected with the cylinder in a sliding manner. The resilient device can match with external fixators of different shapes and structures to form external flexible fixators. When a limb with a fracture suffers axial pressure, the external flexible fixator can have a slight axial movement so that an interaction force can be generated due to the slight movement at the end of fracture so as to stimulate callus to grow at the end of fracture. The resilient device can avoid osteoporosis due to stress shielding of the external fixator, quicken the fracture healing, increase the strength of healed bone and effectively prevent delayed fracture healing or nonunion.
Description
Affiliated technical field
The present invention relates to a kind of externally fixing support elastic device of orthopaedics clinical practice.
Background technology
The orthopaedics therapy fracture needs to use external fixer sometimes, and existing various external fixers are though shape and structure is different, but all can't carry out fine motion regulates, lack the flexible adjustment device, easily produce stress shielding during application and form osteoporosis, refracture takes place behind the removal external fixer easily.Because fracture end can not fine motion, no Pressure stimulation, callus generates slow, and growing amount is few, and speed of fracture union is slow.The rotation in the horizontal direction of the uncontrollable sliding axle of existing externally fixing support elastic device is so fracture end can rotate the healing that is not easy to fracture in the horizontal direction.
Summary of the invention
The objective of the invention is to remedy the defective that current use external fixer treatment fracture exists, employing has a kind of externally fixing support elastic device of elasticity fine motion adjusting device, can prevent sliding axle rotation in the horizontal direction, effectively prevent to produce stress shielding, avoid forming osteoporosis, and can stimulate the fracture end callus to generate accelerating bone healing.
The technical scheme of this externally fixing support elastic device is: its composition has sliding axle, elastic device, sliding moving nail body, the sliding axle stopping means of cylinder barrel, cylinder barrel inside, and the cylinder barrel wall radially is provided with anti-rivet, adjust blood pressure rivet, look nut, fastening jackscrew, barrel hollow screw, the pressurization hole of revolving.Prevent that revolving rivet radially runs through sliding axle, prevents to rotate on the sliding axle horizontal direction.The adjust blood pressure rivet radially runs through the cylinder barrel wall, and the axial path length of adjust blood pressure rivet hole on the cylinder barrel wall is greater than horizontal path length, and the adjust blood pressure rivet can move up and down in the adjust blood pressure rivet hole, and then promotion adjust blood pressure base moves.Look nut is threaded with the cylinder barrel wall, is positioned at adjust blood pressure rivet below, and turn up and down promotes the adjust blood pressure rivet and moves.The adjust blood pressure base is positioned at the cylinder barrel of adjust blood pressure rivet top, and is cylindric, can slide up and down.Fastening jackscrew head end is cylindric, and corresponding with sliding moving nail body top, fastening jackscrew is fashionable from outer buttons, can prevent rotating on the sliding stop nail body horizontal direction and moving up and down.The barrel hollow screw is threaded with the cylinder barrel wall, the passage that is connected for the outer Pressure gauge of elastic device and cylinder barrel wall.Pressurization hole on the cylinder barrel wall is corresponding with the pressurization hole on the sliding moving nail body, with put into pressure rod in the Rhizoma Atractylodis Macrocephalae temporarily.
Sliding moving nail body and cylinder barrel are slidingly connected, and the pressurization hole is established in the side.
The sliding axle stopping means is set as and spacing jackscrew is set on the cylinder barrel wall or stop nut is set or spacing fixture block on sliding axle, spacing jackscrew is positioned at cylinder barrel wall top, be threaded with the cylinder barrel wall, corresponding with the sliding axle bottom, move up and down from the fashionable sliding axle that prevents of outer buttons.Stop nut is threaded with sliding axle, and up and down turn is positioned at the cylinder barrel top, and establishes the fine motion gap between the cylinder barrel upper end, and stop nut is during from the top backspin, and its lower end can connect with the cylinder barrel upper end, and the limit slippage axle moves down; Scale is set on the sliding axle, can determines stop nut and cylinder barrel upper end fine motion gap length according to circumstances.Spacing fixture block is positioned at the cylinder barrel top, can move up and down along sliding axle, be connected with sliding axle with trip bolt, when screwing in spacing fixture block trip bolt, spacing fixture block and sliding axle are fastenedly connected, can determine spacing fixture block and cylinder barrel upper end fine motion gap length according to circumstances, when its lower end and cylinder barrel upper end connect, but the limit slippage axle moves down.Sliding axle and cylinder barrel are slidingly connected, but fine motion moves down under responsive to axial force.
It is identical that the cylinder barrel barrel is set as the upper and lower part internal diameter, also can make top and sliding axle cooperation place internal diameter greater than the bottom internal diameter, barrel top internal diameter is during greater than the bottom internal diameter, the radially set spacing jackscrew centrage of barrel is higher than barrel internal diameter step, spacing jackscrew head end is cylindric, and spacing jackscrew is fashionable from outer buttons, can prevent that sliding axle from moving down, during back-out, but sliding axle fine motion under responsive to axial force moves down.Can depending on the circumstances or the needs of the situation make the different spacing jackscrew of head end diameter dimension.Establish the fine motion gap between step and the bottom surface, sliding axle cooperation place.
The elastic device of cylinder barrel inside can be made multi-form.
Elastic device is generally made elastic capsule formula or spring, elastic capsule is the gum elastic capsule that internal-filling liquid is pressed oil, the gum elastic capsule places between sliding axle and the sliding bottom, spring places between sliding axle and the pressure conduction device, and the gum elastic capsule also can be made as and place between sliding axle and the pressure conduction device.
After passing the barrel hollow screw, pressure conduction device connection tube or gum elastic capsule connection tube be connected with Pressure gauge by casing joint.
The radially set rivet hole of sliding axle revolves rivet and adapts with anti-, and its axial aperture makes sliding axle revolve rivet shaft to moving down along anti-greater than horizontal aperture.Axial aperture length is more than or equal to anti-fine motion gap sum of revolving on rivet diameter and the sliding axle axial direction.
The sliding axle upper end can be made into the difformity structure with sliding moving nail body lower end, and corresponding coupling with various external fixers connects.
Utilize the fixing fracture of external fixer and this elastic device, when spacing jackscrew screws out, revolve on the stop nut or spacing fixture block trip bolt when screwing out, fractured bones is under axial compressive force, by hold-down screw on the skeleton and external fixer upper and lower side, impel sliding axle to move down pressurization, elasticity of compression rubber bag tank or spring, because but the sliding axle fine motion moves down, drive thereupon and control fractured bones also fine motion move down, be subjected to the pressure effect of fracture end, can stimulate the fracture end callus to generate, avoid fracture end to produce stress shielding.For comminuted fracture, axial compressive force easily makes sclerite distortion and displacement, need to screw in spacing jackscrew, backspin stop nut or screw in spacing fixture block trip bolt, the limit slippage axle moves down, fracture end can not produce fine motion and pressure, treat the healing of fracture end soft tissue firmly, when sclerite is difficult for displacement, on revolve stop nut or screw out spacing jackscrew and get final product, can determine different stop nut turn scopes, spacing fixture block moving range or select the different spacing jackscrew of diameter for use for the difference of different comminuted fracture and healing time length thereof.
This elastic device can mate the external fixer of any difformity structure, constitutes the elasticity external fixer.When the limbs of fracture are subjected to axial compressive force, the elasticity external fixer axially has fine motion, thereby make the fracture end fine motion and produce an interaction force, stimulate the fracture end callus to generate, avoided the external fixer stress shielding to form osteoporosis, but accelerating bone healing speed increases the intensity of healing sclerotin, effectively prevents the generation of fracture delayed healing or disunion.
Description of drawings
The drawing of accompanying drawing is described as follows
Fig. 1 is a kind of externally fixing support elastic device I type structural representation
Fig. 2 is a kind of externally fixing support elastic device II type structural representation
Fig. 3 is a kind of externally fixing support elastic device III type structural representation
Fig. 4 is a kind of externally fixing support elastic device IV type structural representation
Fig. 5 is a kind of externally fixing support elastic device V-structure sketch map
Fig. 6 is a kind of externally fixing support elastic device VI type structural representation
Fig. 7 is a kind of externally fixing support elastic device VII type structural representation
Fig. 8 is a kind of externally fixing support elastic device VIII type structural representation
The specific embodiment
Introduce embodiments of the invention below in conjunction with accompanying drawing
This externally fixing support elastic device is made up of the sliding axle of cylinder barrel, cylinder barrel inside, elastic device, sliding moving nail body, sliding axle stopping means etc.
Cylinder barrel (2) barrel upper and lower part internal diameter is identical, and barrel radially is provided with anti-revolve rivet (3), adjust blood pressure rivet (10), look nut (11), fastening jackscrew (12), spacing jackscrew (19), barrel hollow screw (8).Adjust blood pressure rivet (10) radially runs through cylinder barrel (2), look nut (11) is threaded with cylinder barrel (2) barrel, is positioned at adjust blood pressure rivet (10) below, and spacing jackscrew (19) is threaded with cylinder barrel (2), corresponding with sliding axle (1) bottom, barrel hollow screw (8) is threaded with cylinder barrel (2).Stop nut (4) or spacing fixture block (18) are set on the sliding axle (1), be positioned at cylinder barrel (2) top, and cylinder barrel (2) is established the fine motion gap between the upper end, stop nut (4) is threaded with sliding axle (1), spacing fixture block (18) is fastenedly connected with trip bolt (17) and sliding axle (1), can move up and down.The radially set rivet hole of sliding axle (1) revolves rivet (3) and adapts with anti-, and axial aperture is greater than horizontal aperture.Sliding moving nail body (13) is slidingly connected with cylinder barrel (2), and pressurization hole (14) is established in its side, and fastening jackscrew (12) is threaded with cylinder barrel (2) barrel, and is corresponding with sliding moving nail body (13) top.Gum elastic capsule (5) or spring (15) are positioned at sliding axle (1) below, adjust blood pressure base (9) or pressure conduction device (16) top.The connection tube of gum elastic capsule (5) and pressure conduction device (16) passes the hollow pipeline of barrel hollow screw (8), and the Pressure gauge (6) outer by casing joint (7) and cylinder barrel (2) is connected.Adjust blood pressure base (9) is positioned at the cylinder barrel (2) of adjust blood pressure rivet (10) top, gum elastic capsule (5) or pressure conduction device (16) below.
Cylinder barrel (2) barrel also can be made as top and sliding axle (1) cooperation place internal diameter greater than the bottom internal diameter, cylinder barrel (2) barrel radially is provided with the spacing jackscrew of fine motion (19), and spacing jackscrew (19) is threaded with cylinder barrel (2), and head end is cylindric, during installation, its centrage should be higher than barrel internal diameter step.
Fig. 1 is an externally fixing support elastic device I type structure, its cylinder barrel (2) barrel upper and lower part internal diameter is identical, stop nut (4) is set on the sliding axle (1), stop nut (4) is threaded with sliding axle (1), be positioned at cylinder barrel (2) top, its elastic device is the elastic capsule formula, presses oily gum elastic capsule (5) for internal-filling liquid, and gum elastic capsule (5) places between sliding axle (1) and the adjust blood pressure base (9).
Fig. 2 is an externally fixing support elastic device II type structure, its cylinder barrel (2) barrel upper and lower part internal diameter is identical, stop nut (4) is set on the sliding axle (1), stop nut (4) is threaded with sliding axle (1), be positioned at cylinder barrel (2) top, its elastic device is a spring, and spring (15) places between sliding axle (1) and the pressure conduction device (16).
Fig. 3 is an externally fixing support elastic device III type structure, its cylinder barrel (2) barrel upper and lower part internal diameter is identical, spacing fixture block (18) is set on the sliding axle (1), spacing fixture block (18) is fastenedly connected with sliding axle (1), trip bolt (17) is set on the spacing fixture block (18), is positioned at cylinder barrel (2) top, its elastic device is the elastic capsule formula, press oily gum elastic capsule (5) for internal-filling liquid, gum elastic capsule (5) places between sliding axle (1) and the adjust blood pressure base (9).
Fig. 4 is an externally fixing support elastic device IV type structure, its cylinder barrel (2) barrel upper and lower part internal diameter is identical, spacing fixture block (18) is set on the sliding axle (1), spacing fixture block (18) is fastenedly connected with sliding axle (1), trip bolt (17) is set on the spacing fixture block (18), be positioned at cylinder barrel (2) top, its elastic device is a spring, and spring (15) places between sliding axle (1) and the pressure conduction device (16).
Fig. 5 is the externally fixing support elastic device V-structure, its cylinder barrel (2) barrel upper and lower part internal diameter is identical, cylinder barrel (2) barrel radially is provided with spacing jackscrew (19), spacing jackscrew (19) is threaded with cylinder barrel (2), corresponding with sliding axle (1) bottom, its elastic device is the elastic capsule formula, presses oily gum elastic capsule (5) for internal-filling liquid, and gum elastic capsule (5) places between sliding axle (1) and the adjust blood pressure base (9).
Fig. 6 is an externally fixing support elastic device VI type structure, its cylinder barrel (2) barrel upper and lower part internal diameter is identical, cylinder barrel (2) barrel radially is provided with spacing jackscrew (19), spacing jackscrew (19) is threaded with cylinder barrel (2), corresponding with sliding axle (1) bottom, its elastic device is a spring, and spring (15) places between sliding axle (1) and the pressure conduction device (16).
Fig. 7 is an externally fixing support elastic device VII type structure, its cylinder barrel (2) top and sliding axle (1) cooperation place internal diameter are greater than the bottom internal diameter, cylinder barrel (2) barrel radially is provided with spacing jackscrew (19), spacing jackscrew (19) is threaded with cylinder barrel (2), its elastic device is the elastic capsule formula, press oily gum elastic capsule (5) for internal-filling liquid, gum elastic capsule (5) places between sliding axle (1) and the adjust blood pressure base (9).
Fig. 8 is an externally fixing support elastic device VIII type structure, its cylinder barrel (2) top and sliding axle (1) cooperation place internal diameter are greater than the bottom internal diameter, cylinder barrel (2) barrel radially is provided with spacing jackscrew (19), spacing jackscrew (19) is threaded with cylinder barrel (2), its elastic device is a spring, and spring (15) places between sliding axle (1) and the pressure conduction device (16).
Claims (8)
1. a kind of externally fixing support elastic device of orthopaedics clinical practice, it comprises sliding axle, elastic device, sliding moving nail body, sliding axle stopping means, the adjust blood pressure base of cylinder barrel and cylinder barrel inside, and the cylinder barrel wall radially is provided with anti-revolve rivet, adjust blood pressure rivet, look nut, fastening jackscrew, barrel hollow screw; Wherein the radially set rivet hole of sliding axle revolves rivet and adapts with anti-, and axial aperture is greater than horizontal aperture, and sliding axle can revolve rivet shaft to moving down along anti-; The sliding axle stopping means is set as and spacing jackscrew is set on the cylinder barrel wall or stop nut is set or spacing fixture block on sliding axle; The barrel hollow screw is threaded with cylinder barrel; The adjust blood pressure base is positioned at the cylinder barrel of adjust blood pressure rivet top; Radially set adjust blood pressure rivet hole of cylinder barrel wall and adjust blood pressure rivet adapt, and its axial aperture is greater than horizontal aperture, and the adjust blood pressure rivet can in axial direction move up and down, and then promotion adjust blood pressure base moves; Look nut is threaded with the cylinder barrel wall, is positioned at adjust blood pressure rivet below, and turn up and down promotes the adjust blood pressure rivet and moves; Sliding moving nail body top is cylindric, and the pressurization hole is established in the side, is slidingly connected with cylinder barrel, and fastening jackscrew is threaded with cylinder barrel, and is corresponding with sliding moving nail body top.
2. a kind of externally fixing support elastic device according to claim 1 is characterized in that the cylinder barrel wall radially is provided with spacing jackscrew, and spacing jackscrew is threaded with cylinder barrel, is positioned at cylinder barrel top, and is corresponding with the sliding axle bottom.
3. a kind of externally fixing support elastic device according to claim 1 is characterized in that cylinder barrel barrel upper and lower part internal diameter is identical, and stop nut is set on the sliding axle, stop nut is threaded with sliding axle, be positioned at the cylinder barrel top, turn up and down, and establish the fine motion gap between the cylinder barrel upper end.
4. a kind of externally fixing support elastic device according to claim 1 is characterized in that spacing fixture block is set on the sliding axle, is positioned at the cylinder barrel top, can move up and down, and is fastenedly connected with trip bolt and sliding axle, and establishes the fine motion gap between the cylinder barrel upper end.
5. a kind of externally fixing support elastic device according to claim 1, the elastic device that it is characterized in that cylinder barrel inside is the hollow elasticity rubber bag tank that internal-filling liquid is pressed oil, the gum elastic capsule places between sliding axle and the adjust blood pressure base, and the connection tube of gum elastic capsule passes the hollow pipeline of barrel hollow screw and is connected by the outer Pressure gauge of casing joint and cylinder barrel.
6. a kind of externally fixing support elastic device according to claim 1, the elastic device that it is characterized in that cylinder barrel inside is a helical spring, above the adjust blood pressure base, be provided with the pressure conduction device, helical spring places between sliding axle and the pressure conduction device, and the connection tube of pressure conduction device passes the hollow pipeline of barrel hollow screw and is connected by the outer Pressure gauge of casing joint and cylinder barrel.
7. a kind of externally fixing support elastic device according to claim 1, it is characterized in that cylinder barrel barrel top and sliding axle cooperation place internal diameter are greater than the bottom internal diameter, the radially set spacing jackscrew centrage of barrel is higher than barrel internal diameter step, establishes the fine motion gap between step and the bottom surface, sliding axle cooperation place.
8. a kind of externally fixing support elastic device according to claim 1 is characterized in that sliding axle upper end and sliding moving nail body lower end can be made into the difformity structure, and corresponding coupling with various external fixers connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101848893A CN101416900B (en) | 2007-10-28 | 2007-10-28 | External fixation rack elasticity device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101848893A CN101416900B (en) | 2007-10-28 | 2007-10-28 | External fixation rack elasticity device |
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| Publication Number | Publication Date |
|---|---|
| CN101416900A CN101416900A (en) | 2009-04-29 |
| CN101416900B true CN101416900B (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007101848893A Active CN101416900B (en) | 2007-10-28 | 2007-10-28 | External fixation rack elasticity device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103006302B (en) * | 2012-10-22 | 2016-12-21 | 夏和桃 | Exter-nal fixer spherical universal joint and controlling type Bionics Bone external fixator |
| CN103006301B (en) * | 2012-10-22 | 2016-12-21 | 夏和桃 | Exter-nal fixer self-locking joint and controlling type Bionics Bone external fixator |
| CN103006303B (en) * | 2012-10-22 | 2016-12-21 | 夏和桃 | Exter-nal fixer damping joint and controlling type Bionics Bone external fixator |
| CN106361419B (en) * | 2014-10-24 | 2019-07-19 | 郑金玲 | A kind of exter-nal fixer being suitable for comminuted fracture |
| CN107080582B (en) * | 2016-02-16 | 2020-08-11 | 宋若怡 | Elastic spine fixing system and pressure-adjustable fixing rod |
| CN107080581B (en) * | 2016-02-16 | 2020-08-11 | 宋若怡 | Elastic internal fixing system and pressure-adjustable fixing rod |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0424292A2 (en) * | 1989-10-17 | 1991-04-24 | Fixano Sa | External device for bone immobilisation |
| CN2562747Y (en) * | 2002-07-09 | 2003-07-30 | 宋文超 | External fixing frame spring device |
| CN2595328Y (en) * | 2002-11-20 | 2003-12-31 | 季万金 | Automatic pressurizing intramedullary pin with lock |
| CN2631456Y (en) * | 2003-04-18 | 2004-08-11 | 王秋霞 | Elastic device of external fixing rack |
| CN2647253Y (en) * | 2003-09-05 | 2004-10-13 | 苏继承 | Linear single-side multifunction external fixing device |
| CN2738743Y (en) * | 2004-09-03 | 2005-11-09 | 明立功 | Y-shape elastic external fixer |
-
2007
- 2007-10-28 CN CN2007101848893A patent/CN101416900B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0424292A2 (en) * | 1989-10-17 | 1991-04-24 | Fixano Sa | External device for bone immobilisation |
| CN2562747Y (en) * | 2002-07-09 | 2003-07-30 | 宋文超 | External fixing frame spring device |
| CN2595328Y (en) * | 2002-11-20 | 2003-12-31 | 季万金 | Automatic pressurizing intramedullary pin with lock |
| CN2631456Y (en) * | 2003-04-18 | 2004-08-11 | 王秋霞 | Elastic device of external fixing rack |
| CN2647253Y (en) * | 2003-09-05 | 2004-10-13 | 苏继承 | Linear single-side multifunction external fixing device |
| CN2738743Y (en) * | 2004-09-03 | 2005-11-09 | 明立功 | Y-shape elastic external fixer |
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| CN101416900A (en) | 2009-04-29 |
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Effective date of registration: 20171115 Address after: Zhaoling Dongcheng industry of Luohe city in Henan province 462000 area Taoyuan Road on the north side of building 4, No. 101 Patentee after: Henan Keke Biotechnology Co., Ltd. Address before: 450003 trauma microscopy Department of orthopedics, Zhengzhou people's Hospital, No. 33 the Yellow River Road, Jinshui District, Zhengzhou City, Henan Patentee before: Wang Qiuxia |