CN107157630A - A kind of Intelligent air pressure knee joint - Google Patents
A kind of Intelligent air pressure knee joint Download PDFInfo
- Publication number
- CN107157630A CN107157630A CN201610135931.1A CN201610135931A CN107157630A CN 107157630 A CN107157630 A CN 107157630A CN 201610135931 A CN201610135931 A CN 201610135931A CN 107157630 A CN107157630 A CN 107157630A
- Authority
- CN
- China
- Prior art keywords
- external member
- linking
- thigh
- shank
- knee joint
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2/60—Artificial legs or feet or parts thereof
- A61F2/64—Knee joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2/68—Operating or control means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2/68—Operating or control means
- A61F2/74—Operating or control means fluid, i.e. hydraulic or pneumatic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2002/5003—Prostheses not implantable in the body having damping means, e.g. shock absorbers
- A61F2002/5006—Dampers, e.g. hydraulic damper
Abstract
The present invention discloses a kind of Intelligent air pressure knee joint, it is connected external member including thigh, shank is connected external member, it is steel alloy that thigh, which is connected external member and the material of shank linking external member use, thigh, which is connected between external member and shank linking external member, is respectively arranged with flexible forearm, flexible postbrachium, it is flexible to be provided with connection rod set between forearm and flexible postbrachium, connecting rod in connection rod set is connected piston rod by trip shaft, the both sides of piston rod have been provided with the snubber block of cushioning effect, the bottom of shank linking external member is provided with stepping cylinder, the buffer regulating valve of linking piston rod workspace is provided with the top of stepping cylinder, improve control accuracy and stability, reduce energy consumption and manufacture maintenance cost, it is novel in design, it is a kind of good innovation scheme, there is very much market promotion prospect.
Description
Technical field
The present invention relates to medical supplies, more particularly to a kind of Intelligent air pressure knee joint.
Background technology
Knee joint is made up of femur medial and lateral condyle and shin bone medial and lateral condyle and kneecap, is that human body is maximum
And most complicated, damage chance also more joint is constructed, capsular ligament is relatively thin and relaxes, and is attached to each bone and closes
Save the periphery of cartilage.There is ligament reinforcing around capsular ligament.Ligamentum patellae is in front, is musculus quadriceps femoris
The continuity (kneecap is the sesamoid bone in the tendon) of tendon, extends to tuberosity of tibia, in ligamentum patellae from kneecap lower end
Both sides, there are kneecap medial and lateral to support band, be the downward of vastus medialis and musculus vastus lateralis aponeurosis (aponeuroses), and and knee
Capsular ligament mutually weaves;Rear You ligament popliteum obliquums are strengthened, and capsular ligament institute is incorporated into by the tendinous fibres part of semimembranosus
Formed;There is tibial collateral ligament inner side, is bandlet shape, rises from adductor tubercle, diffuses be knitted to pass downwards
Condyle fibrous layer;Outside is collateral fibular ligament, is independently of extracapsular circular fiber beam, is risen from stock
Bone lateral epicondyle, terminates in capitulum fibulae.The stratum synoviale of capsular ligament is wide, except articular cartilage and the table of meniscus
Face is outer without synovial membrane covering, and intra-articular all structures are all coated with one layer of synovial membrane.
Knee joint is after injury, and the walking to patient brings very big inconvenience, most of to be entered using wheelchair
Row is ridden instead of walk, is also had using the artificial leg with intelligent knee joint, because can be with walking speed, joint
Angle change adjust automatically artificial limb knee-joint control moment, makes prosthesis gait in the side such as symmetry and followability
Face is closer to Healthy People gait, with physical demands is few, security and bio-imitability are good, and be promoted should
With still, because cylinder block a certain hinge member relatively swung, space-consuming being caused larger and can be produced
Raw larger additional revolution inertia, influences gait control, make in the process of walking stability it is not good.Can not
The demand of social development is met, deficiency is there is.
In summary, for the defect of prior art, it is accordingly required in particular to a kind of Intelligent air pressure knee joint, to solve
Certainly the deficiencies in the prior art.
The content of the invention
The deficiency existed for artificial limb knee-joint in the prior art, and cause very big during reality
Influence, the present invention proposes a kind of Intelligent air pressure knee joint, novel in design, and stability is strong, with avoid due to
Cylinder block a certain hinge member relatively is swung, and causes space-consuming larger and to produce larger additional revolution used
Amount, has solved the defect of prior art.
To achieve these goals, technical scheme is as follows:
A kind of Intelligent air pressure knee joint, including thigh linking external member, shank linking external member, thigh convergence set
The material that part and shank linking external member are used is steel alloy, thigh linking external member and shank linking external member it
Between be respectively arranged with flexible forearm, flexible postbrachium, it is flexible to be provided with connection rod set between forearm and flexible postbrachium,
Connecting rod in connection rod set is connected piston rod by trip shaft, and the both sides of piston rod have been provided with cushioning effect
Snubber block, the bottom of shank linking external member is provided with the top of stepping cylinder, stepping cylinder and is provided with rank
Take over a job the buffer regulating valve of stopper rod workspace.
Further, the shape of described thigh linking external member is rounded, and the lower section of thigh linking external member is set
There is positioning regulation ring.
Rotating shaft rod is provided with the two ends of flexible forearm of the present invention, flexible postbrachium.
Sliding bearing is installed in the side of piston rod of the present invention.
Further, the inner wall edge of described shank linking external member is provided with airway tube.
The beneficial effects of the invention are as follows:Be connected through the hinge a swing rod on artificial thigh part, the swing rod
The other end is hinged by the piston rod of hinge and cylinder, when motion of knee joint, and artificial thigh part passes through
Drive the swing rod to move, be knee so as to promote swing rod other end piston to make the reciprocating motion along cylinder body axis
Joint provides damping torque, improves control accuracy and stability, reduction energy consumption and manufacture maintenance cost, if
Meter is novel, is a kind of good innovation scheme, there is very much market promotion prospect.
Brief description of the drawings
Describe the present invention in detail with reference to the accompanying drawings and detailed description:
Fig. 1 is structural representation of the invention.
100- thighs are connected external member in figure, and 110- stretches forearm, 120- connection rod sets, and 130- stretches postbrachium,
140- rotating shaft rods, 150- piston rods, 160- stepping cylinders, 170- buffer regulating valves, 180- shanks rank
Joint kit, 190- positioning regulation rings, 200- sliding bearings, 210- airway tubes, 220- snubber blocks.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are readily apparent from
Solution, with reference to being specifically illustrating, is expanded on further the present invention.
Referring to Fig. 1, a kind of Intelligent air pressure knee joint, including thigh linking external member 100, shank linking external member
180, the material that thigh linking external member 100 and shank linking external member 180 are used is steel alloy, thigh rank
Flexible forearm 110, flexible postbrachium 130 are respectively arranged between joint kit 100 and shank linking external member 180,
The flexible connecting rod being provided between forearm 110 and flexible postbrachium 130 in connection rod set 120, connection rod set 120 is equal
Piston rod 150 is connected by trip shaft, the both sides of piston rod 150 have been provided with the snubber block of cushioning effect
220, the bottom of shank linking external member 180 is provided with stepping cylinder 160, and the top of stepping cylinder 160 is set
It is equipped with the buffer regulating valve 170 of linking piston rod 150 workspace.
In addition, the shape of thigh linking external member 100 is rounded, the lower section of thigh linking external member 100 is set
There is positioning regulation ring 190, flexible forearm 110, the two ends of flexible postbrachium 130 are provided with rotating shaft rod 140.
The side of piston rod 150 is provided with sliding bearing 200.The inner wall edge of shank linking external member 180 is provided with
Airway tube 210.
Security feature of the present invention shows the connection rod set of motion of knee joint.When knee joint is stretched, center of rotation
Top and the rear of load-bearing line positioned at joint, this assures kneed stability.On the other hand
The position of the rectangular pyramid in upper connecting rod, which can be adjusted, can find kneed stability and flexibility tension point,
Meet the optimal gait requirement of patient.During knee sprung, center of rotation is returned to flexing dramatic decrease
The position of usual knee axle, this characteristic is conducive to the kicking campaign of patient.Minimum point is served as, knee joint will
Flexion is kept, now patient can keep sitting posture.Notice when knee sprung, because of intelligent gas
Kneed area of cell is pressed in the position close to leg pipe, so reception cavity will not collide with joint.
Adjustable range is 5mm before and after small rectangular pyramid in upper connecting rod.Regulation is (with threading knee joint forwards
The front of patient be front) center of rotation away from load-bearing line, improves stability of strutting system, but reduce
Flexing flexibility.When rearward adjusting, center of rotation is conducive to kneed flexing close to load-bearing line,
But reduce stability of strutting system.Should be according to the concrete condition of patient during regulation, the suitable support of selection is steady
Qualitative and flexing flexibility, finds optimal use state.
According to the speed of the paces of patient, automatically adjust, knee joint is followed the gait of patient.It allows trouble
Person feels that when quickening is taken action, joint can increase damping resilient, and joint flexing becomes difficult, stretched back
Accelerate position;And when walking slack-off, damping diminishes, make patient's walking lighter.Normal pneumatic knee joint exists
Set up tune to stretch valve and adjust after valve in the wrong, will not often adjust, therefore joint can not catch up with during the quickening of patient's paces
Paces, make patient have to descend step slowly.And when walking slow, because regulating valve is usually adjusted in normality
Paces region, so when slow step is walked, can feel that resistance is big, walk gruelling.
Install when in use after knee joint, allow patient to try first trip first and walk, and adjust trimmer valve, find
Patient is allowed to feel after most satisfied buffering effect to intelligent knee joint arrange parameter.Arrange parameter is very simple,
As long as allowing patient slowly, normality paces skelp one section, and tuner can arrive the data input of walking
In joint in control chip, so after restart or change lower pattern and can make joint operation in auto-control shape
State.
The present invention is effective to be:Be connected through the hinge a swing rod on artificial thigh part, and the swing rod is another
End is hinged by the piston rod of hinge and cylinder, when motion of knee joint, and artificial thigh part is by driving
The swing rod is moved, and is knee joint so as to promote swing rod other end piston to make the reciprocating motion along cylinder body axis
Damping torque is provided, control accuracy and stability, reduction energy consumption and manufacture maintenance cost is improved, design is new
Grain husk, is a kind of good innovation scheme, there is very much market promotion prospect.
It should be understood by those skilled in the art that, the present invention is not limited to the above embodiments, above-mentioned implementation
Merely illustrating the principles of the invention described in example and specification, is not departing from spirit and scope of the invention
Under the premise of various changes and modifications of the present invention are possible, these changes and improvements both fall within claimed sheet
In invention scope.The claimed scope of the invention is defined by appended claims and its equivalent.
Claims (5)
1. a kind of Intelligent air pressure knee joint, including thigh linking external member, shank linking external member, thigh linking
The material that external member and shank linking external member are used is steel alloy, it is characterised in that:Thigh be connected external member and
Be respectively arranged with flexible forearm, flexible postbrachium between shank linking external member, stretch forearm and flexible postbrachium it
Between be provided with connecting rod in connection rod set, connection rod set piston rod, the both sides of piston rod be connected by trip shaft
The snubber block of cushioning effect is provided with, the bottom of shank linking external member is provided with stepping cylinder, stepping gas
The buffer regulating valve of linking piston rod workspace is provided with the top of cylinder.
2. a kind of Intelligent air pressure knee joint according to claim 1, it is characterised in that:Described thigh
The shape for being connected external member is rounded, and positioning regulation ring is provided with below thigh linking external member.
3. a kind of Intelligent air pressure knee joint according to claim 1, it is characterised in that:Described is flexible
Forearm, the two ends of flexible postbrachium are provided with rotating shaft rod.
4. a kind of Intelligent air pressure knee joint according to claim 1, it is characterised in that:Described piston
The side of bar is provided with sliding bearing.
5. a kind of Intelligent air pressure knee joint according to claim 1, it is characterised in that:Described shank
The inner wall edge of linking external member is provided with airway tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610135931.1A CN107157630A (en) | 2016-03-07 | 2016-03-07 | A kind of Intelligent air pressure knee joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610135931.1A CN107157630A (en) | 2016-03-07 | 2016-03-07 | A kind of Intelligent air pressure knee joint |
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Publication Number | Publication Date |
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CN107157630A true CN107157630A (en) | 2017-09-15 |
Family
ID=59848657
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CN201610135931.1A Pending CN107157630A (en) | 2016-03-07 | 2016-03-07 | A kind of Intelligent air pressure knee joint |
Country Status (1)
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CN (1) | CN107157630A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108714890A (en) * | 2018-06-28 | 2018-10-30 | 吉林大学 | A kind of Coupled Rigid-flexible bionic exoskeleton knee joint power assisting device |
CN110559108A (en) * | 2019-08-03 | 2019-12-13 | 苏州自如医疗器械有限公司 | Artificial limb knee joint with intelligent buffering adjustment function |
CN111015727A (en) * | 2019-12-10 | 2020-04-17 | 长春工业大学 | Stretching bionic artificial knee joint |
CN111347399A (en) * | 2020-03-18 | 2020-06-30 | 北京海益同展信息科技有限公司 | Exoskeleton device and exoskeleton robot for legs |
-
2016
- 2016-03-07 CN CN201610135931.1A patent/CN107157630A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108714890A (en) * | 2018-06-28 | 2018-10-30 | 吉林大学 | A kind of Coupled Rigid-flexible bionic exoskeleton knee joint power assisting device |
CN108714890B (en) * | 2018-06-28 | 2023-08-15 | 吉林大学 | Rigid-flexible coupling bionic exoskeleton knee joint power assisting device |
CN110559108A (en) * | 2019-08-03 | 2019-12-13 | 苏州自如医疗器械有限公司 | Artificial limb knee joint with intelligent buffering adjustment function |
CN111015727A (en) * | 2019-12-10 | 2020-04-17 | 长春工业大学 | Stretching bionic artificial knee joint |
CN111347399A (en) * | 2020-03-18 | 2020-06-30 | 北京海益同展信息科技有限公司 | Exoskeleton device and exoskeleton robot for legs |
CN111347399B (en) * | 2020-03-18 | 2021-11-02 | 北京海益同展信息科技有限公司 | Exoskeleton device and exoskeleton robot for legs |
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RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
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RJ01 | Rejection of invention patent application after publication |