CN2873142Y

CN2873142Y - Joint position limiter

Info

Publication number: CN2873142Y
Application number: CNU2005201218109U
Authority: CN
Inventors: 陈建宇
Original assignee: CHANG-YU MECHANICAL SYSTEMS Ltd
Current assignee: CHANG-YU MECHANICAL SYSTEMS Ltd
Priority date: 2005-09-16
Filing date: 2005-09-16
Publication date: 2007-02-28
Anticipated expiration: 2015-09-16

Abstract

A joint caging device could be disposed removable on the side of an amniote's podosoma, which could be removed freely. A podosoma has two limb parts and a joint which links the two limb parts. The joint caging device comprises two linkage units with two linkage heads separately, and an arthrosis unit connecting the two linking heads with at least a limit component. The two linking units could adhere to the one side of two limb parts, respectively, and let the two linking units rotated in an appointed angle range to limited the relative moving area of the two limb parts indirectly via the arrangement of the limit component on the arthrosis unit, so that the huge bending or extending of injured joints could be avoid, the chances of second hurt could be reduced, and then the original plan of treatment and health recover could be executed to make the patient recovered soon.

Description

The joint stopping means

Technical field

This utility model is about a kind of joint stopping means, is meant especially a kind ofly to be attached to two linkage units in the two limb portions of limbs respectively by control, indirectly spacing two limb portions range of activity and the joint stopping means of avoiding the joint excessively to bend and stretch relatively.

Background technology

General because sport injury, reason such as contingency and disease, make joint be subjected to powerful external force effect or bacteria attack and serious damage, such as the knee endoprosthesis that traffic accident causes injures, make the wounded must carry out the implantation of surgical operation therapy or artificial joint in the knee endoprosthesis place, more need be after operation is finished according to medical personnel's indication, accept the rehabilitation arrangement of various different phases, the planted agent avoids posture or thigh and the excessive activity relatively of shank internode generation improperly during the rehabilitation, and knee is is excessively bent and stretched, influence the progress of the healing and the rehabilitation of injury.

Therefore; for avoiding taking place above-mentioned situation; the patient of part just can use modes such as fixed mount, support and fixing band to give spacing outside the injury; relevant limbs do not produce relative activity around not making its injury; the joint is given safekeeping, and other patient may adopt then flexible auxiliary appliances such as elastic bandage, knee cap to be coated on outside the injury; make its limbs that the bundle system of a certain degree can be arranged when activity, reduce the probability that directly produces the articular instability influence.

Adopt the fixedly patient of limit method protection injury; because limbs are subjected to the bundle system of fixed mount etc.; joint can't be done suitable activity; except produce can't the inconvenience of activity; fail for the muscle and joint of sufficient movement for injured back and intra-operative; may cause atrophy and contracture, or slow down restorative speed, this moment caused pain and not potbellied can deepen.In addition, flexible auxiliary implement such as elastic bandage and knee cap, though limbs range of activity more freely can be provided, but when knee endoprosthesis does not have excessive the bending and stretching of early warning ground generation, also can't be spacing in addition immediately, possibility that makes the patient still have to suffer the secondary injury, multiple continuous treatment and rehabilitation work become and bother more.

Summary of the invention

Therefore, the purpose of this utility model, promptly provide a kind of can be with limbs in two limb portions movable is relatively regulated that bundle is made and the joint stopping means of avoiding the joint excessively to bend and stretch.

So, this utility model joint stopping means, be attached to removably on the side of vertebrate limbs, limbs comprise two limb portions and a joint in conjunction with two limb portions, the joint stopping means comprises two linkage units that have a connecting end respectively, and one have at least one locating part and link the unit, joint of two links respectively, and at least one linkage unit that connects relatively pivot is moving, and by with the contact of locating part, provide two linkage units relatively turnable bundle system.When two linkage units were attached on the same side of two limb portions respectively, the unit, joint was by the limbs that are positioned at respect to joint position generally.

During use, situation according to the wounded's treatment of joint disease and rehabilitation, the scope of the angle that the decision joint can be bent and stretched, on the unit, joint, promptly make to regulate the bundle system by locating part, then the joint stopping means is attached on the side of the wounded's limbs, make that the joint stopping means can be along with limb motion, two adjacent with the joint respectively limb portions of two linkage units this moment link.When the wounded is movable, can produce relative rotation between two limb portions, and interlock two linkage units are that the center pivots with the unit, joint, excessive and when surpassing setting on the device when the amplitude of rotating, linkage unit just is resisted against on the locating part of unit, joint, relatedly makes that the limbs be provided with the joint stopping means are spacing.

This utility model joint stopping means, utilize on the unit, joint and can do the setting that relatively rotates two linkage units, make two linkage units to use as fixed mount when not pivoting, to relatively rotating between any angle to cooperate various patients in various degree, except that the demand that can satisfy the patient who does not partly make joint motion, also can make other wish that the joint is able to the patient of activity, at any time adjust angle at the patient's condition and rehabilitation situation, to increase the range of flexion in joint, improve circulation and muscle tone, what the factor because of accident and not early warning of more can preventing caused joint excessively bends and stretches the state of an illness that increases the wounded, reaches the spacing effect in joint.

Description of drawings

Fig. 1 is the view that the joint stopping means is located at shank in the preferred embodiment of the present utility model;

Fig. 2 is the three-dimensional exploded view of joint stopping means in the preferred embodiment of the present utility model;

Fig. 3 is the side view of above-mentioned joint stopping means;

Fig. 4 is a partial view of adjusting extension board length in the stopping means of above-mentioned joint, illustrates that extension board length can promptly be adjusted by lax and the screw that is locked and lock;

Fig. 5 is the partial view of above-mentioned joint stopping means, illustrates that pawl type block holder its claw when leg extension is resisted against on the spacer pin and it is spacing to produce shank;

Fig. 6 is the view of a similar Fig. 3, illustrates that pawl type block holder its claw when the shank song contracts is resisted against

Fig. 7 is the three-dimensional exploded view that has the actuator of two arc insert openings in the stopping means of above-mentioned joint; And

Fig. 8 is the three-dimensional exploded view that has the actuator of two angle limiting blocks in the stopping means of above-mentioned joint.Among the figure

11 thighs, 329 pivoted holes

Unit, 12 shanks, 41 joint

13 joints, 411 angle demodulators

2 holders, 412 spacer pins

31 linkage units, 413 adjustment disks

311 upper substrates, 414 conjugate foramens

Inboard bolt hole 415 hinged arms on 312

313 upper cover body, 416 angle adjustment holes

Slot 417 anti-lost bands on 314

Extension board 418 disk body linkage sections on 315

Outside bolt hole 419 over caps on 316

Retaining supports wall 420 rooms on 317

318 upper cover body linkage sections, 421 breach

319 raise knothole 422 insert openings

Fixed screw 423 intercalation projections on 320

Sleeve gasket 424 angle limiting blocks on 321

31 ' time linkage unit of 322 upper bodies

Sheathed section 311 ' infrabasal plate on 323

312 ' time inboard bolt hole of perforating on 324

Sticking 313 ' the lower cover of devil on 325

314 ' time slot of 326 pawl type block holders

315 ' time extension board of 327 claws

316 ' time outside of 328 arms bolt hole

317 ' time retaining supports 322 ' time body of wall

Sheathed section of 318 ' lower cover linkage section 323 ' time

324 ' time perforating of 319 ' time adjustment hole

325 ' time devil of 320 ' time fixed screw is sticking

321 ' time sleeve gasket

The specific embodiment

About addressing other technologies content, characteristics and effect before this utility model, in the following detailed description that cooperates with reference to one of graphic preferred embodiment, can clearly understand.

With what must be noted that in the purgation explanation, will adopt identical numbering for similar element, and the position that is provided with of this joint stopping means explains with people's shank, but not as limit, also can be the limbs of other animals such as hand of people.

Consult Fig. 1, Fig. 2 and Fig. 3, this utility model joint stopping means 2 is an adjustable holder 2 in present embodiment, comprises linkage unit 31 on, linkage unit 31 ' once, and one links upper and lower linkage unit 31,31 ' unit, joint 41.When being provided with, can will go up linkage unit 31 and descend linkage unit 31 ' to be attached to respectively on the same side of thigh 11 and shank 12 respectively, and unit, joint 41 being the sides that are positioned at joint 13 generally.

Upper and lower linkage unit 31,31 ' structure are identical, below will the structure of last linkage unit 31 be described in detail, and for ease of understanding, the member of following linkage unit 31 ' uses identical numbering with last linkage unit 31 identical persons, and thought all adds " ' "; Last linkage unit 31 is in order to adjust the length of adhering to of itself and shank, its body is generally the elongate body that a hollow can embed an extended element, and this elongate body comprises in present embodiment on the flat cuboid that substrate 311 and is linked on the upper substrate 311 and defines on one lid 313 on the slot 314 jointly.Upper substrate 311 is generally a metallic object, and inboard bolt hole 312 on it runs through away from one of unit, joint 41 end formation one, and in outer surface side binding upper cover body 313, the main effect of upper substrate 311 is to link other elements, and can produce pivot with respect to unit, joint 41 when shank produces motion.Upper cover body 313 is that a cross section is the elongate body of U font, and its material is plastic cement in present embodiment, but also can be other materials.Upper cover body 313 is attached on the upper substrate 311 removably with one of U font opening end, and define slot 314 on jointly with upper substrate 311, extension board 315 embeds slidably and shifts out in the confession one, in order to regulate the length of adhering to shank, increases the stability of holder 2.In addition, upper cover body 313 is in forming one corresponding to last inboard bolt hole 312 away from one of unit, joint 41 end, and in the connection slot 314 run through go up outside bolt hole 316, for regulating fixing use the when going up extension board 315, and in another ora terminalis be provided with on one retaining to wall 317 to seal slot 314.Last retaining supports outside the wall 317 and vertically extends a upper cover body linkage section 318 to the direction of unit, joint 41 on the wall, in order to link removably with upper substrate 311.

Last extension board 315 be one can with the metallic object of upper substrate 311 identical materials, can embed accordingly in the slot 314, and one correspondingly inboard bolt hole 312 along forming on its length direction, go up outside bolt hole 316 and run through on adjustment hole 319.Last extension board 315 can cooperate the length of shank, adjust and embed the length that goes up in the slot 314, and utilize to go up fixed screw 320 and pass outside bolt hole 316 in regular turn, raise knothole 319 and go up inboard bolt hole 312, with upper cover body 313, go up in addition spiral shell (see figure 4) admittedly closely of extension board 315 and upper substrate 311.

Upper substrate 311 on its internal face near one of unit, joint 41 end, go up extension board 315 and on internal face, respectively link sleeve gasket 321 on away from one of unit, joint 41 end, last sleeve gasket 321 mainly is as a smooth-going binding interface, makes shank that preferable comfort be arranged when holder 2 is set.Last sleeve gasket 321 have the shape of a corresponding shank and its cross section slightly be part ring-like on body 322, and one be positioned on go up on the surface outside the upper body 322 sheathed section 323.Upper body 322 is resisted against shank with its inner surface, and with last sheathed section 323 define one jointly and wear with holder 2 perforating 324 on shank tightly for fixing band.When being tied with other treatment rehabilitation articles for use such as elastic bandage on the shank, can in the inner surface of body 322 on shank contacts on set up sticking 325 elements such as cementation such as grade of a devil, to increase fixed effect.

In present embodiment, following linkage unit 31 ' also have with above-mentioned on identical composition member and the structure of linkage unit 31, unique not existing together is the different parts that upper and lower linkage unit 31,31 ' is attached to shank, therefore be attached to the identical components of shank in itself and the last linkage unit 31, for example infrabasal plate 311 ', lower cover 313 ' reach extension board 315 ' down, on length,, but, repeat no more in this not as limit with difference.

On the other hand, one be attached to unit, joint 41 and promptly by and the work that fastens of 41 of unit, joint bend and stretch the pawl type block holder 326 of bundle system in order to shank to be provided, be linked to upper substrate 311 near on one of unit, joint 41 end, be a metallic flat body, and have a claw 327 and one and the arm 328 of claw 327 bindings.Claw 327 central authorities form a pivoted hole 329, for linking with unit, joint 41.Arm 328 links with upper substrate 311 away from one of claw 327 end removably with it.

Unit, joint 41 is mainly in order to linking and to set two linkage units 31, relatively turnable angle between 31 ', and the activity of indirect spacing shank, it comprises that an angle demodulator 411 and two can be inserted in the spacer pin 412 on the angle demodulator 411.Angle demodulator 411 has about two corresponding and circle flat adjustment disks 413 setting at interval, the conjugate foramen 414 that each adjustment disk 413 central authorities forms a corresponding pivoted hole 329 and runs through, pawl type block holder 326 can embed 413 of two adjustment disks, be arranged in conjugate foramen 414 and pivoted hole 329 with hinged arm 415, block holder 326 is linked to 413 of two adjustment disks rotationally.In addition, on one of each adjustment disk 413 diametric(al) and correspond to the both sides of conjugate foramen 414, be respectively equipped with and run through and angle adjustment holes uniformly-spaced 416, the angle of the angle adjustment holes 416 of one side in order to set linkage unit 31 and can uphold relatively between linkage unit 31 ' down, 416 of the adjustment holes of opposite side can be bent the angle that contracts in order to regulate between two

unit

31,31 '.Two spacer pins 412 can pass the angle adjustment holes 416 of two adjustment disks 413 from outside to inside, one of them spacer pin 412 is upheld angle in order to limit, 412 of another spacer pins are bent the angle that contracts in order to set, the claw 327 that makes block holder 326 is when 413 of two adjustment disks rotate, and front and back can suffer bundle system (seeing Fig. 5 and Fig. 6).Two spacer pins 412 can be respectively anti-lostly be with 417 to be linked on the hinged arm 415 with one, anti-terminating in when adjusting spacing angle, and spacer pin 412 detaches angle adjustment holes 416 and drops on the ground.

Moreover, the periphery of each adjustment disk 413 protrudes out a disk body linkage section 418 to the direction away from conjugate foramen 414 accordingly, infrabasal plate 311 ' is held near one of unit, joint 41, can be embedded in 418 of amphidisc linkage sections, and promptly can will descend linkage unit 31 ' and unit, joint 41 to link by affixed element.

In present embodiment, angle adjustment holes 416 staggered compartment of terrains are positioned on the adjustment disk 413, and formed angle is 10 degree between per two adjustment holes 416 and the disk body center of circle, but not as limit, decide according to the usability of reality.In addition, unit, joint 41 also can be the angle adjustment member of other energy samples, the angle demodulator 411 with the tool adjustment hole 416 in this example does not exceed, for example can be adjustment disk 413 (see figure 7)s with arc insert opening 422 and actuator 411 (see figure 8)s with limiting block 424, this moment, spacer pin 412 replaceablely was the intercalation projection 423 on the opposite end of the claw 327 of being located at block holder 326 respectively.

On the other hand, for the spacer pin 412 of avoiding set angle gets loose from conjugate foramen 414, can be provided with one in addition and be attached on the adjustment disk 413 of the outside and the transparent protective cover 419 that can pivot.Over cap 419 promptly is linked on the angle adjuster 411 by hinged arm 415; be a fit adjustment dish 413 shapes and define one and the acryl transparency cover of the cylinder room 420 of 413 of outside adjustment disks that lid can make the spacer pin 412 that is inserted in angle adjustment holes 416 be positioned at room 420 and unlikely coming off when establishing.In addition, for making things convenient for the adjustment of angle, form a breach 421 that is communicated with room 420 on the over cap 419, can adjust the position of spacer pin 412 through breach 421 thus, to make spacing angle.

During use; with holder 2 horizontal positioned; and the breach on the over cap 419 421 is turned to the top of two spacer pins 412 respectively; the angle that can bend and stretch according to joint 13 is inserted in two spacer pins 412 on the angle adjustment holes 416 of conjugate foramen 414 two opposite sides respectively; do a setting to upholding and can bend the angle that contracts respectively; then breach 412 is turned to make it not relative, avoid spacer pin 412 when leg movements, to get loose with any of two spacer pins 412.Secondly, according to the length of thigh 11 and shank 12, the length of establishing is tied up in decision, and two linkage units 31 that can get loose respectively, 31 ' fixed screw 320,320 ' are adjusted the length that extension board 315,315 ' exposes, and fixed screw 320,320 ' are locked again.Then with other relevant mounting articles such as fixing bands, pass perforating 324,324 ', two linkage units 31,31 ' are individually fixed on one of thigh 11 and shank 12 side, and at this moment, the position of angle demodulator 411 roughly is the next door that is positioned at corresponding joint 13.When, shank big when

user

11,12 produces relative motioies, two linkage units 31,31 ' are incited somebody to action interlock thereupon, once bend and stretch angle when excessive, one of pawl type block holder 326 pawl end will be resisted against on the spacer pin 412, make can't continue between two linkage units 31,31 ' that are linked to unit, joint 41 to produce relative to rotate, the effect that the relative motion of thigh 11, shank 12 is produced a branch of system makes excessive the bending and stretching of joint 13 unlikely generations jointly, causes two injuries of taking second place.

Conclude above-mentioned, the joint stopping means of this utility model has the actuator 411 of adjustable angle, utilize spacer pin 412 in the rotate setting of angle of actuator 411, can make two linkage units 31,31 ' that are linked to respectively on the actuator 411, when producing relative rotation,, make excessive the bending and stretching of joint 13 unlikely generations that is provided with this device because of block holder 326 fastens restriction in generation activity on one of them spacer pin 412.On the other hand, the joint stopping means of this utility model also can be under fracture situation as the stopping means of fixing folding limb, it is hindered limb and is obtained safe protection in the process of seeking medical advice to make the wounded, so can reach the purpose of utility model really.

The above person of thought, it only is the preferred embodiment of this utility model, when the scope that can not limit this utility model enforcement with this, promptly the simple equivalent of being done according to this utility model application range and utility model description generally changes and modifies, and all should still belong in the scope that this utility model claims contain.

Claims

1. a joint stopping means is characterized in that, it is attached on the side of vertebrate limbs removably, and described limbs comprise the joint of one first limb portion, one second limb portion and the described two limb portions of a connection, and described joint stopping means comprises:

One first linkage unit has one first connecting end;

One second linkage unit has one second connecting end; And

Unit, one joint, locating part with at least one movable setting, this unit, joint combines with described connecting end respectively, and banded at least one described linkage unit can relatively pivot, and support by the retaining of described locating part, make described linkage unit in relative rotation adjustable angle be restricted wholely;

Described linkage unit is attached to respectively on the same side of described limb portion removably, the rotation bundle system of utilizing unit, described joint that described linkage unit is provided, and the activity of spacing described limb portion avoids the joint excessively to bend and stretch.

2. according to the described joint of claim 1 stopping means, it is characterized in that, this unit, joint is one to comprise that two are provided with at interval and have the adjustment disk that plural number runs through the angle adjustment holes of correspondence, reaches two angle adjusters that can be inserted in the spacer pin of these angle adjustment holes respectively.

3. according to the described joint of claim 2 stopping means, it is characterized in that this unit, joint comprises that more one is linked to the over cap on these adjustment disks pivotly, prevent that these spacer pins that plug from getting loose.

4. according to the described joint of claim 1 stopping means, it is characterized in that the length of each linkage unit is for adjusting.

5. according to the described joint of claim 4 stopping means, it is characterized in that each linkage unit has at least one sleeve gasket group, can be respectively for fixing band wear with this joint stopping means tightly in these limb portions.

6. according to the described joint of claim 5 stopping means, it is characterized in that it is sticking that this sleeve gasket group has the devil that a sleeve gasket and is attached on the sleeve gasket.