CN2479930Y - Knee connected joint - Google Patents
Knee connected joint Download PDFInfo
- Publication number
- CN2479930Y CN2479930Y CN 01239959 CN01239959U CN2479930Y CN 2479930 Y CN2479930 Y CN 2479930Y CN 01239959 CN01239959 CN 01239959 CN 01239959 U CN01239959 U CN 01239959U CN 2479930 Y CN2479930 Y CN 2479930Y
- Authority
- CN
- China
- Prior art keywords
- help
- bearing pin
- joint
- stretch
- knee
- Prior art date
- 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 - Fee Related
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Abstract
The utility model relates to a knee joint of disarticulation used for making artificial limbs. The utility model is constructed in this way: an upper and a lower joints are connected with each other via a front and a rear connecting bars, a tapering spindle of the front connecting bar is fixed in tapering knee shaft sleeves of the upper and lower joints, the rear connecting bar is connected with the upper and lower joints via the knee shaft and the shaft sleeve, a receiving cavity joint plate is provided at the upper joint, an extension-aid device which comprises a fulcrum pin, an extention-aid spring guide, an adjuster, a thread pin, an extention-aid spring and a guide sleeve is equipped in the mid of the upper and lower joints. The utility modle is constructed scientificly and is safe for use, the joints can not at any angle be out of order due to being forced or ejected out and thereby facing an extensive prospect for development and application.
Description
This utility model relates to a kind of Knee connected joint of making artificial limb dress usefulness, is mainly used in the patients with amputation of knee disarticulation.
The patients with amputation of knee disarticulation is adorned the artificial limb of usefulness at present, the helping of its joint stretched spring guide and supported bearing pin and adopt half containing form, promptly helping the first half of stretching spring guide is hatch frame, when the flexing of joint, help and stretch device and ejected easily and influence use, bring adverse effect to the patient, both dangerous, increase financial burden and unnecessary loss again, the joint is difficult to effectively promote the use of.
The purpose of this utility model provides a kind of improved novel Knee connected joint, can prevent from effectively to help to stretch device and ejected, and guarantees problem safe in utilization.
The purpose of this utility model is achieved like this, to realizing that having helping in the joint to stretch device improves, Knee connected joint after the improvement is connected through front-rear linkage by upper and lower joint body, taper bearing pin on the front rod is fixed in the taper knee joint axle sleeve of hypozygal body, back link is connected with axle sleeve by the knee joint axle with upper and lower joint body, the receptive cavity connecting plate is equipped with on upper joint body top, by supporting bearing pin, helping and stretch spring guide, actuator, screw thread bearing pin, help and stretch spring, leader casing and constitute to help and stretch device, be loaded between the body of upper and lower joint.
This utility model scientific structure, safe in utilization, in use rotate to any angle in the joint no matter guarantee the joint, help and stretch device and can not ejected, also can not be extruded out and malfunctioning, clinic trial, very welcome, the wide development application prospect is arranged.
Below in conjunction with accompanying drawing structure of the present utility model is elaborated.
Fig. 1 is a structural front view of the present utility model.
Fig. 2 is a structural profile front view of the present utility model.
Fig. 3 is a structure side view of the present utility model.
Fig. 4 is an A-A profile among Fig. 2.
By Fig. 2, shown in Figure 3, this utility model is by last, the hypozygal body, before, back link, the receptive cavity connecting plate on top and being contained in, helping between the hypozygal body stretched device and constituted, upper joint body 2 is connected with back link 5 by front rod 4 with hypozygal body 3, taper bearing pin on the front rod 4 places, in the taper knee joint axle sleeve 17 of hypozygal body, by taper pad 18, bolt 6, self-locking nut 7 is fixing, back link 5 is with last, two knee joint axle 8 two axle sleeves 16 interior with placing hypozygal body cylindrical hole are connected between the hypozygal body, on the formation, hypozygal body activeness links together, receptive cavity connecting plate 1 and adjustment screw 15 are equipped with in upper joint body 2 tops, supporting bearing pin 9 links to each other with back link 5, help and stretch spring guide 10 and link to each other with screw thread bearing pin 14, screw thread bearing pin 14 bottoms are contained in to help stretches in the spring guide cover 13, helps on it and stretches spring 12, help and stretch spring 12 tops actuator 11 is arranged, support bearing pin 9 and be connected with back link 5, the lower end is contained in the concave arc groove of hypozygal body 3, is Elastic Contact; Support bearing pin 9, help and stretch spring guide 10, actuator 11, screw thread bearing pin 14, help to stretch spring 12 and help and stretch spring guide cover 13 and constitute joints and help and stretch device, its top links to each other with back link 5 by supporting bearing pin 9, help and stretch guide rod 10 and be contained in and support on the bearing pin 9, screw thread bearing pin 14 tops are contained in to help stretches on the guide rod 10, the bottom is contained in to help stretches in the spring guide cover 13, it is outer to be equipped with to help and to stretch spring 12, helps and stretches spring 12 upper ends, actuator 11 is housed helping to stretch on the spring lever 10.No matter when this structure can guarantee that the joint rotates to any angle, can not ejected, can not be extruded out yet and make the joint malfunctioning, prevented to bring unnecessary loss to the patient.When assembling is used, help and stretch spring lever 10 and 14 of screw thread bearing pins can be coated locking thread glue, in case thread looseness.
During use, link together, on bearing, can improve or reduce the frictional force of knee joint axle, and can regulate the play that wearing and tearing are produced by tightening or loosening socket cap knee joint axle bolt 6 because of upper and lower joint body is activeness.Intravital taper sheath 17 in upper and lower joint and cylinder-shaped sleeve 16 can be made by polytetrafluoroethylmaterial material, and to increase the lubricity between joint body and connecting rod and the knee joint axle, wearability can increase size stability again.
There is a connecting hole that the awl core matches that is connected with upper joint body upper end the lower end of receptive cavity connecting plate 1, can reach adjustability by the awl core with connecting hole, knee joint and receptive cavity is connected, by regulating adjustment screw 15, can regulate the angle of joint on frontal plane.Two circular holes of receptive cavity connecting plate 1 upper end are in order to allow the receptive cavity material be connected better with connecting plate.
During use, at first must determine amputee's load-bearing line separately.And then, determine the size of prosthetic components and the relative position when installing on one's body according to the data that the amputee records; Can adjust kneed swing speed by the friction of adjusting the knee joint axle, promptly fix locking nut 7 with the outer-hexagonal wrench, the another hands is with 5 millimeters hexagonal rod-type wrench rotary cylinder hook bolt 6, rotates a little to change very little angle, just can clearly change friction, change swing speed; Help the spring-loaded governor scalable speed of kneed shaking peroid of stretching by adjusting, promptly rotate to help and stretch spring-loaded governor 11, can change and help the pressure of stretching spring, thus the shaking peroid speed in change joint; By regulating the angle of adjustment screw scalable joint on frontal plane, promptly rotate two adjustment screw 15, can regulate the angle of joint on frontal plane.
From the above mentioned, this utility model is applicable to body weight below 100 kilograms for band machinery helps the multiaxis Knee connected joint of stretching device, requires medium knee joint from disconnected patients with amputation to functional.Assembling this joint has a common moderate support phase and stablizes safety and common moderate shaking peroid control function.When knee joint is rotated, the position of its instantaneous center of rotation changes along with the change of joint flexion angle, and when stretched in the joint, instantaneous center of rotation was positioned on the height of femur bone condyle, increase along with flexion angle, instantaneous center of rotation moves along movement locus forward and downward, and the dynamics of the variable instantaneous center of rotation that multiaxial joint had can be guaranteed the support phase stability of artificial limb, dress is with convenient, safety flexibly, has the wide development application prospect.
Claims (2)
1, a kind of Knee connected joint, be by last, the hypozygal body, before, back link, the receptive cavity connecting plate on top and being contained in, helping between the hypozygal body stretched device and constituted, it is characterized in that upper joint body (2) is connected with back link (5) by front rod (4) with hypozygal body (3), taper bearing pin on the front rod (4) places, in the taper knee joint axle sleeve (17) of hypozygal body, by taper pad (18), bolt (6), self-locking nut (7) is fixing, back link (5) is with last, two knee joint axles (8), two axle sleeves (16) interior with placing hypozygal body cylindrical hole are connected between the hypozygal body, on the formation, hypozygal body activeness links together, receptive cavity connecting plate (1) and adjustment screw (15) are equipped with in upper joint body (2) top, supporting bearing pin (9) links to each other with back link (5), help and stretch spring guide (10) and link to each other with screw thread bearing pin (14), screw thread bearing pin (14) bottom is contained in to help stretches in the spring guide cover (13), help on it and stretch spring (12), help and stretch spring (12) top actuator (11) is arranged, support bearing pin (9) and be connected with back link (5), the lower end is contained in hypozygal body (3) the concave arc groove.
2, Knee connected joint according to claim 1, it is characterized in that said support bearing pin (9), help and stretch spring guide (10), actuator (11), screw thread bearing pin (14), help to stretch spring (12) and help and stretch spring guide cover (13) and constitute the joint and help and stretch device, its top links to each other with back link (5) by supporting bearing pin (9), help and stretch guide rod (10) and be contained in and support on the bearing pin (9), screw thread bearing pin (14) top is contained in to help stretches on the guide rod (10), the bottom is contained in to help stretches in the spring guide cover (13), be equipped with to help outside it and stretch spring (12), help and stretch spring (12) upper end, actuator (11) is housed helping to stretch on the spring lever (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01239959 CN2479930Y (en) | 2001-04-30 | 2001-04-30 | Knee connected joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01239959 CN2479930Y (en) | 2001-04-30 | 2001-04-30 | Knee connected joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2479930Y true CN2479930Y (en) | 2002-03-06 |
Family
ID=33652286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01239959 Expired - Fee Related CN2479930Y (en) | 2001-04-30 | 2001-04-30 | Knee connected joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2479930Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953233A (en) * | 2014-05-12 | 2014-07-30 | 山东理工大学 | Threaded copying safety lock for vehicle |
-
2001
- 2001-04-30 CN CN 01239959 patent/CN2479930Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953233A (en) * | 2014-05-12 | 2014-07-30 | 山东理工大学 | Threaded copying safety lock for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |