CN105193483A - External fixation support device for orthopedics department - Google Patents
External fixation support device for orthopedics department Download PDFInfo
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- CN105193483A CN105193483A CN201510707443.9A CN201510707443A CN105193483A CN 105193483 A CN105193483 A CN 105193483A CN 201510707443 A CN201510707443 A CN 201510707443A CN 105193483 A CN105193483 A CN 105193483A
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- end cap
- connecting rod
- ball
- socket joint
- breach
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6425—Devices extending alongside the bones to be positioned specially adapted to be fitted across a bone joint
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/645—Devices extending alongside the bones to be positioned comprising a framework
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an external fixation support device for the orthopedics department. The external fixation support device comprises a clamping device, a connection rod and a threaded bone pin; the clamping device comprises a first end cover, a second end cover and a bolt; the bolt penetrates through the first end cover, a gasket and the second end cover sequentially, and the first end cover, the gasket and the second end cover can rotate along the bolt; a first spring is placed between the first end cover and the gasket, a second spring is placed between the second end cover and the gasket, and the second spring forms outward thrust between the second end cover and the gasket; a first botch, a second notch and a third notch are formed in the first end cover and the second end cover respectively, the diameter of the first notch is larger than that of the second notch, the diameter of the second notch is larger than that of the third notch, and the first notch is used for clamping a connection rod; the second notch and the third notch are used for clamping the threaded bone pin. The external fixation support device for the orthopedics department has the advantages of flexibility, diversity, stability, operation convenience, reliable fixation effect and the like.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of orthopaedics exterior fixation bracket device.
Background technology
The patient of current treatment limb fracture, clinic operation formula comprises internal fixtion and extenal fixation, and Orthopaedic external fixator is that Orthopedic Clinical carries out one of conventional medical apparatus and instruments of extenal fixation operative treatment.
The exterior fixation bracket device of current international popular generally includes by the pitman of fixing shaping, follows closely the associated components such as excellent binding clasp, locking pin and form, and follows closely excellent binding clasp for pitman and locking pin being stepped up.
In Clinical practice, existing exterior fixation bracket device does not have auxiliary reset function, reduction of the fracture complicated operation in operation, need repeatedly to dismantle fixed bar and locking device, operating time is long, be difficult to adapt to clinical demand that is dissimilar, different parts fracture, experienced clinician is needed to operate, the combination of existing fixed bone spicule and bone is unstable, postoperative easily occur external fixer loosen, solid failure, the common complication of the external fixers such as pin site infection, affects the multiple deficiencies such as union of fracture.
Summary of the invention
Provide hereinafter about brief overview of the present invention, to provide about the basic comprehension in some of the present invention.Should be appreciated that this general introduction is not summarize about exhaustive of the present invention.It is not that intention determines key of the present invention or pith, and nor is it intended to limit the scope of the present invention.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
The object of the embodiment of the present invention is the defect for above-mentioned prior art, provides a kind of easy to operate, fixed effect reliable orthopaedics exterior fixation bracket device.
To achieve these goals, the technical scheme that the present invention takes is:
A kind of orthopaedics exterior fixation bracket device, comprises clamping device, connecting rod and screw thread spicule;
Described clamping device comprises the first end cap, the second end cap and bolt;
Described screw bolt passes first end cap, pad and the second end cap, described first end cap, pad and the second end cap can rotate along described bolt;
The first spring is placed between described first end cap and pad, described first spring forms outside thrust between the first end cap and pad, place the second spring between described second end cap and pad, described second spring forms outside thrust between the second end cap and pad;
Described bolt one end is interior hexagonal recess, and for placing spanner, the other end is provided with nut or screw thread;
Described first end cap or the second end cap are provided with the first breach, the second breach and the 3rd breach, and the diameter of described first breach is greater than the diameter of the second breach, and the diameter of the second breach is greater than the diameter of the 3rd breach, and described first breach is used for the bar that is clamped and connected; Described second breach and the 3rd breach are for clamping screw thread spicule.
Compared with prior art, the invention has the beneficial effects as follows:
Device of the present invention is applicable to the reset of fracture in Orthopedic Clinical operation and fixes.Basic module is simple, can freely combine clinical at present in general various configurations, all ages and classes can be met, different parts, different classification of fracture mechanical environment, easy to operate, fixed effect is reliable, compared with the outrigger of current clinical middle use, there is auxiliary reset function, overcome reduction of the fracture complicated operation in existing operation, need the defect repeatedly dismantling fixed bar and locking device, it possesses better motility, multiformity and stability, and frame process optimization is put in operation, reduce the replacement and fixation difficulty in operation, reduce operating time and risk, the combination instability reducing fixed bone spicule and bone causes the slip of retaining thread spicule in needle track, and the external fixer caused by improper stress loosens, solid failure, pin site infection, the common complication of the external fixer such as inflammatory reaction and postoperative pain, promote union of fracture, meet fracture fixation biomechanics characteristic, be beneficial to early functional exercise, potential applicability in clinical practice is good.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the clamping device that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the multi-direction adjustable connecting rod that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the cancellous threads spicule that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the cortical bone screw thread spicule that Fig. 4 provides for the embodiment of the present invention;
The structural representation that the upper-lower casing that Fig. 5 provides for the embodiment of the present invention is connected with screw;
Fig. 6 is the perspective view of Fig. 5.
Fig. 7 is the structural representation that Fig. 5 connects connecting rod;
The structural representation of the auxiliary reset fixture that Fig. 8 embodiment of the present invention provides.
Reference numeral:
1-nut; 2-first end cap; 3-pad; 4-second end cap; 5a-second breach; 5a-the 3rd breach; 6-first breach; 7-second spring; 8-axle center screw thread; 9-axle center; The adjustable connecting rod main body of 10-; 11-first spring; 12-first cylindrical section; 13-first self-tapping screw section; 14-second cylindrical section; 15-second self-tapping screw section; 16-cylindrical section; 17-screw; 18-upper shell; 19-lower house; 20-first connecting rod; 21-first ball-and-socket joint; 22-first push rod; 23-second ball-and-socket joint; 24-second push rod; 25-first fixture; 26-second fixture; 27-snap close; 28-second connecting rod; 29-axle center thread spacer.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.The element described in an accompanying drawing of the present invention or a kind of embodiment and feature can combine with the element shown in one or more other accompanying drawing or embodiment and feature.It should be noted that for purposes of clarity, accompanying drawing and eliminate expression and the description of unrelated to the invention, parts known to persons of ordinary skill in the art and process in illustrating.Based on the embodiment in the present invention, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, a kind of orthopaedics exterior fixation bracket device, comprises clamping device, connecting rod and screw thread spicule;
Described clamping device comprises the first end cap 2, second end cap 4 and bolt;
Screw bolt passes first end cap 2, pad 3 and the second end cap 4, first end cap 2, pad 3 and the second end cap 4 can rotate along bolt;
The first spring 11 is placed between first end cap 2 and pad 3, first spring 11 forms outside thrust between the first end cap 2 and pad 3, place the second spring 7, second spring 7 between second end cap 4 and pad 3 and form outside thrust between the second end cap 4 and pad 3;
First end cap 2 and the second end cap 4 are provided with the first breach 6, second breach 5a and the 3rd breach 5b, and the diameter of the first breach 6 is greater than the diameter of the second breach 5a, and the diameter of the second breach 5a is greater than the diameter of the 3rd breach 5b, and the first breach 6 is for the bar that is clamped and connected; Second breach 5a and the 3rd breach 5b is for clamping screw thread spicule.
The first breach and second and third breach of end cap side of the present invention run through end cap, are arranged in a linear, can clamp screw thread spicule and the connecting rod of the different thicknesses of diameter 5-6mm.First spring and the second spring, connect end cap and intermediate washer, can form pulling force between end cap and pad, after coordinating with connecting rod and screw thread spicule, compress the first breach and second and third breach similar round duct, can action of gravity be resisted, fixed clamping device, avoids dropping.
Particularly, the first end cap 2 and the second end cap 4 are equipped with the first breach 6, second breach 5a and the 3rd breach 5b, the first end cap 2 and the second end cap 4 are arranged in opposite directions; First end cap 2 and the second end cap 4 are the cylindrical of hollow.Bolt one end is interior hexagonal recess, and for placing spanner, the other end is provided with nut 1 or screw thread;
First end cap of the present invention and the second end cap are circle, and size is identical, is symmetrical arranged.For hollow cylindrical, side is provided with each two holes of size, and middle preset holes coordinates with intermediate washer 3 and forms similar round hole, and wherein macropore can clamp the connecting rod of diameter 7-9mm, and aperture can clamp the screw thread spicule of diameter 2-6mm.Other accessories of clamping device are fixed along axle center by bolt, nut, and nut two ends are interior hexangle type, and two ends are symmetrical, can shorten, play pressurization fixation after rotation along bolt.
Particularly, the one side that the first end cap 2 and/or the second end cap 4 contact with pad 3 is provided with sawtooth, and the end face of pad 3 is provided with the sawtooth be mutually engaged with the sawtooth on the first end cap 2 and/or the second end cap 4.
First end cap and/or the second end cap and pad junction are provided with sawtooth, and convenient occlusion is fixing.Can at pad, the surrounding of both sides is provided with sawtooth, after adding press-fit, forms occlusion fixing with end cap.
See Fig. 2, particularly, connecting rod is multi-direction adjustable connecting rod, comprises adjustable connecting rod main body 10;
At least one end of adjustable connecting rod main body 10 is provided with axle center 9, is arranged with axle center screw thread 8 outside axle center 9;
After two connecting rods connect pressurization by clamping device, rely on axle center 8 screw thread that two adjustable connecting rod main bodys 10 are engaged mutually, form locking.
Particularly, adjustable connecting rod main body is made up of carbon element or alloy material, and length is 100-500mm, and diameter is 6-10mm.Aluminum alloy material can be adopted to make.
Adjustable connecting rod of the present invention, two ends, can planar angulation activity and fixing by threaded engagement, and multidirectional joint part is coordinated by the axle center screw thread at connecting rod two ends and clamping device and forms, and after coordinating, two joint connecting rods can along axis rotation and locking.Axle center screw thread is embedded in connecting rod two ends, in 360 degree of arrangements, after connecting pressurization, screw thread can be relied on to make it mutual occlusion between two connecting rods, form locking effect.Clamping device can compress axle center screw thread, makes it mutual occlusion.Unclamp clamping device, two joint connecting rods can along axis rotation and locking, and connecting rod can become angular movement through clamping device along this axle center, after compressing clamping device, forms locking effect.Connecting rod of the present invention and heterogeneous connecting rod specification, can match with clamping device always.
Particularly, screw thread spicule is made up of medical alloy material, and its length is 100-200mm, and diameter is 2-6mm, and the rear end backshank thickness of multiple screw thread spicule is consistent, and described rear end backshank coordinates with clamping device.The screw thread spicule of multiple specification of the present invention, rear end backshank is uniform thickness, is convenient to coordinate with clamping device.Particularly, screw thread spicule comprises cancellous threads spicule and cortical bone screw thread spicule; Screw thread spicule needle body of the present invention is threaded, and can be formed stable fixing with skeleton.
See Fig. 3, described cancellous threads spicule structures comprises the first cylindrical section 12, first self-tapping screw section 13 and the second cylindrical section 14 connected successively;
The front end of the first cylindrical section 11 is with bone drill spiral angle;
The external diameter of the first self-tapping screw section 13 is greater than the diameter of the first cylindrical section 12, and the reach of the first self-tapping screw section 13 is 20-70mm, footpath, the end band tapering of the first self-tapping screw section 13.
First cylindrical section 12 is identical with the diameter of the second cylindrical section 14.
See Fig. 4, the front end that described cortical bone screw thread spicule comprises the second self-tapping screw 15 of front end and cylindrical section 16, second self-tapping screw 15 of rear end is drill head helix angle degree, and the second self-tapping screw 15 length is 20-50mm, footpath, end band tapering.Particularly, see Fig. 5-Fig. 8, also comprise reseting fixture, described reseting fixture comprises screw 17, upper shell 18 and lower house 19, and screw 17 is provided with successively upper shell 18 and lower house 19, upper shell 18 connects one end of first connecting rod 20, the other end of first connecting rod 20 connects the first ball-and-socket joint 21, be provided with first push rod 22, first push rod 22 one end in first connecting rod 20 to conflict the first ball-and-socket joint 21, other end conflict upper shell 18; Lower house 19 connects one end of second connecting rod 28, and the other end of second connecting rod 28 connects the second ball-and-socket joint 23, is provided with second push rod 24, second push rod 24 one end and conflicts the second ball-and-socket joint 23, other end conflict lower house 19 in second connecting rod 28;
When screw 17 unclamps, first push rod 22 moves towards upper shell 18 side, second push rod 24 moves towards lower house 19 side, and make first connecting rod 20 and the first ball-and-socket joint 21 be in active state, second connecting rod 28 and the second ball-and-socket joint 23 are in active state;
When screw 17 is locked, first push rod 22 moves towards the first ball-and-socket joint 21 side, second push rod 24 moves towards the second ball-and-socket joint 23 side, and make first connecting rod 20 and the first ball-and-socket joint 21 be in locking state, second connecting rod 24 and the second ball-and-socket joint 23 are in locking state;
First ball-and-socket joint 21 connects the first fixture 25, second ball-and-socket joint 23 and connects the second fixture 26, first fixture 25 for the bar side that is clamped and connected, and the second fixture 26 is for the opposite side of the bar that is clamped and connected; First fixture 25 and the second fixture 26 are equipped with snap close 27, and snap close 27 is for locking connecting rod.
Auxiliary reset fixture of the present invention is used for the connecting rod of fixing Orthopaedic external fixator, wherein auxiliary reset fixture comprises a pair interconnective connecting rod, two ball-and-socket joints being arranged on connecting rod side that can freely rotate, the fixtures be connected on universal joint assembly.The present invention can realize the optional position change of two fixtures in space, thus reaches reseting fracture, interim or long-term fixing effect, and structure of the present invention is simple, easy to adjust.
Interconnective first connecting rod and second connecting rod are made up of carbon element or alloy material, and first connecting rod and second connecting rod length specification scope are: 50-200mm, and the diameter of first connecting rod and second connecting rod is 6-10mm.
Particularly, upper shell 18 and lower house 19 are respectively equipped with an inclined-plane, first push rod 22 and second push rod 24 one end are resisted on corresponding inclined-plane, the contact surface of the contact surface of the first push rod 22 and the first ball-and-socket joint 21, the second push rod 24 and the second ball-and-socket joint 23 is matsurface, for increasing frictional force.
Particularly, see Fig. 5 and Fig. 6, axle center thread spacer 29 is provided with between upper shell 18 and lower house 19, two end faces up and down of axle center thread spacer 29 are provided with screw thread 30, be provided with the screw thread be engaged mutually with the upper surface of axle center thread spacer 29 below upper shell 18, above lower house 19, be provided with the screw thread be engaged mutually with the lower surface of axle center thread spacer 29;
And/or the first ball-and-socket joint 21 and the first ball-and-socket joint 23 can movements arbitrarily in neutral position globally 60 °;
And/or the length of the first push rod 22 and the second push rod 24 is 50-200mm.
The connecting portion of first connecting rod of the present invention and second connecting rod is coordinated by the axle center screw thread at connecting rod two ends and pressure structure and forms, and after coordinating, two joint connecting rods can along axis rotation and locking.Axle center screw thread is embedded in connecting rod two ends, in 360 degree of arrangements.
Link joint feature of the present invention is pressue device, is pressurizeed by screw-driving, and when screw unclamps, housing flicks inclined-plane, and inner push rod moves to connecting portion, and two connecting rods and ball-and-socket joint are in active state; Screw lock, housing compresses inclined-plane, and inner push rod moves to both sides, and connecting rod and two ball-and-socket joints are all locked.Ball-and-socket joint is connected with connecting rod, can be held out against by the push rod of connecting rod inside with frictional force, and push rod and ball-and-socket joint contact position are exasperate, to increase frictional force.Fixture side is fixedly connected with ball-and-socket joint, and opposite side can mate with the connecting rod of external fixer, and snap close is locked afterwards and external fixer is connected as a single entity.
Connecting rod of the present invention comprises first connecting rod and second connecting rod, and push rod comprises the first push rod and the second push rod, and ball-and-socket joint comprises the first ball-and-socket joint and the second ball-and-socket joint.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Row is equivalent to be replaced; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an orthopaedics exterior fixation bracket device, is characterized in that, comprises clamping device, connecting rod and screw thread spicule;
Described clamping device comprises the first end cap, the second end cap and bolt;
Described screw bolt passes first end cap, pad and the second end cap, described first end cap, pad and the second end cap can rotate along described bolt;
The first spring is placed between described first end cap and pad, described first spring forms outside thrust between the first end cap and pad, place the second spring between described second end cap and pad, described second spring forms outside thrust between the second end cap and pad;
Described first end cap and the second end cap are provided with the first breach, the second breach and the 3rd breach, and the diameter of described first breach is greater than the diameter of the second breach, and the diameter of the second breach is greater than the diameter of the 3rd breach, and described first breach is used for the bar that is clamped and connected; Described second breach and the 3rd breach are for clamping screw thread spicule.
2. orthopaedics exterior fixation bracket device according to claim 1, is characterized in that, described first end cap and the second end cap are equipped with the first breach, the second breach and the 3rd breach, and described first end cap and the second end cap are arranged in opposite directions;
Described first end cap and the second end cap are the cylindrical of hollow;
Described bolt one end is interior hexagonal recess, and for placing spanner, the other end is provided with nut or screw thread.
3. orthopaedics exterior fixation bracket device according to claim 1, it is characterized in that, the one side of described first end cap and/or the second end cap and pad contacts is provided with sawtooth, and the end face of described pad is provided with the sawtooth be mutually engaged with the sawtooth on the first end cap and/or the second end cap.
4. orthopaedics exterior fixation bracket device according to claim 1, it is characterized in that, described connecting rod is multi-direction adjustable connecting rod, comprises adjustable connecting rod main body;
At least one end of described adjustable connecting rod main body is provided with axle center, is arranged with axle center screw thread outside described axle center;
After two connecting rods connect pressurization by clamping device, rely on axle center screw thread that two adjustable connecting rod main bodys are engaged mutually, form locking.
5. orthopaedics exterior fixation bracket device according to claim 4, is characterized in that, described adjustable connecting rod main body is made up of carbon element or alloy material, and length is 100-500mm, and diameter is 6.0-10.0mm.
6. orthopaedics exterior fixation bracket device according to claim 1, is characterized in that, described screw thread spicule is made up of medical alloy material, its length is 100-200mm, diameter is 2.0-6.0mm, and the rear end backshank thickness of multiple screw thread spicule is consistent, and described rear end backshank coordinates with clamping device.
7. orthopaedics exterior fixation bracket device according to claim 6, is characterized in that, described screw thread spicule comprises cancellous threads spicule and cortical bone screw thread spicule;
Described cancellous threads spicule structures comprises the first cylindrical section, the first self-tapping screw section and the second cylindrical section that connect successively;
The front end of described first cylindrical section is with bone drill spiral angle;
The external diameter of described first self-tapping screw section is greater than the diameter of described first cylindrical section, and the reach of described first self-tapping screw section is 20-70mm, footpath, the end band tapering of described first self-tapping screw section.
Described cortical bone screw thread spicule comprises the second self-tapping screw of front end and the cylindrical section of rear end, and the front end of described second self-tapping screw is drill head helix angle degree, and described second self-tapping screw length is 20-50mm, footpath, end band tapering.
8. orthopaedics exterior fixation bracket device according to claim 1, it is characterized in that, also comprise auxiliary reset fixture, described auxiliary reset fixture comprises screw, upper shell and lower house, and described screw is provided with upper shell and lower house successively, and described upper shell connects one end of first connecting rod, the other end of described first connecting rod connects the first ball-and-socket joint, be provided with the first push rod in described first connecting rod, conflict the first ball-and-socket joint in described first push rod one end, other end conflict upper shell; Described lower house connects one end of second connecting rod, and the other end of described second connecting rod connects the second ball-and-socket joint, is provided with the second push rod in described second connecting rod, and conflict the second ball-and-socket joint in described second push rod one end, other end conflict lower house;
When described screw unclamps, described first push rod moves towards upper shell side, and described second push rod moves towards lower house side, and make first connecting rod and the first ball-and-socket joint be in active state, second connecting rod and the second ball-and-socket joint are in active state;
When described screw lock, described first push rod moves towards the first ball-and-socket joint side, described second push rod moves towards the second ball-and-socket joint side, and make first connecting rod and the first ball-and-socket joint be in locking state, second connecting rod and the second ball-and-socket joint are in locking state;
Described first ball-and-socket joint connects the first fixture, and described second ball-and-socket joint connects the second fixture, and described first fixture is used for the bar side that is clamped and connected, and described second fixture is for the opposite side of the bar that is clamped and connected; Described first fixture and the second fixture are equipped with snap close, and described snap close is for locking connecting rod.
9. the exterior fixation bracket device of the orthopaedics according to any one of claim 1-8, is characterized in that,
Described upper shell and lower house are respectively equipped with an inclined-plane, described first push rod and second push rod one end are resisted on corresponding inclined-plane, the contact surface of the contact surface of described first push rod and the first ball-and-socket joint, described second push rod and the second ball-and-socket joint is matsurface, for increasing frictional force.
10. orthopaedics exterior fixation bracket device according to claim 9, it is characterized in that, axle center thread spacer is provided with between described upper shell and lower house, two end faces up and down of described axle center thread spacer are provided with screw thread, be provided with the screw thread be engaged mutually with the upper surface of described axle center thread spacer below described upper shell, above described lower house, be provided with the screw thread be engaged mutually with the lower surface of described axle center thread spacer;
And/or described first ball-and-socket joint and the first ball-and-socket joint can movements arbitrarily in neutral position globally 60 °;
And/or the length of described first push rod and the second push rod is 50-100mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707443.9A CN105193483B (en) | 2015-10-27 | 2015-10-27 | Orthopaedics exterior fixing rack device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707443.9A CN105193483B (en) | 2015-10-27 | 2015-10-27 | Orthopaedics exterior fixing rack device |
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| CN105193483A true CN105193483A (en) | 2015-12-30 |
| CN105193483B CN105193483B (en) | 2018-02-13 |
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| CN201510707443.9A Active CN105193483B (en) | 2015-10-27 | 2015-10-27 | Orthopaedics exterior fixing rack device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646940A (en) * | 2016-11-29 | 2017-05-10 | 无锡特恒科技有限公司 | Universal connection arm |
| CN112716674A (en) * | 2021-01-06 | 2021-04-30 | 北京中安泰华科技有限公司 | Multipurpose fixing clamp |
| WO2021179614A1 (en) * | 2020-03-11 | 2021-09-16 | 北京梅德厚普科技有限公司 | Surgery double-ball fixing apparatus |
| CN114002862A (en) * | 2021-11-02 | 2022-02-01 | 北京蜂巢世纪科技有限公司 | Intelligent glasses |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106646940A (en) * | 2016-11-29 | 2017-05-10 | 无锡特恒科技有限公司 | Universal connection arm |
| WO2021179614A1 (en) * | 2020-03-11 | 2021-09-16 | 北京梅德厚普科技有限公司 | Surgery double-ball fixing apparatus |
| CN112716674A (en) * | 2021-01-06 | 2021-04-30 | 北京中安泰华科技有限公司 | Multipurpose fixing clamp |
| CN112716674B (en) * | 2021-01-06 | 2024-05-17 | 北京中安泰华科技有限公司 | Multipurpose fixing clamp |
| CN114002862A (en) * | 2021-11-02 | 2022-02-01 | 北京蜂巢世纪科技有限公司 | Intelligent glasses |
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