CA2631982A1 - Hand prosthesis - Google Patents

Hand prosthesis Download PDF

Info

Publication number
CA2631982A1
CA2631982A1 CA002631982A CA2631982A CA2631982A1 CA 2631982 A1 CA2631982 A1 CA 2631982A1 CA 002631982 A CA002631982 A CA 002631982A CA 2631982 A CA2631982 A CA 2631982A CA 2631982 A1 CA2631982 A1 CA 2631982A1
Authority
CA
Canada
Prior art keywords
hand prosthesis
force transmission
drive
chassis
prosthesis
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.)
Granted
Application number
CA002631982A
Other languages
French (fr)
Other versions
CA2631982C (en
Inventor
Gregor Puchhammer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Otto Bock Healthcare GmbH
Original Assignee
Otto Bock Healthcare Ip Gmbh & Co. Kg
Gregor Puchhammer
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Otto Bock Healthcare Ip Gmbh & Co. Kg, Gregor Puchhammer filed Critical Otto Bock Healthcare Ip Gmbh & Co. Kg
Publication of CA2631982A1 publication Critical patent/CA2631982A1/en
Application granted granted Critical
Publication of CA2631982C publication Critical patent/CA2631982C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A61F2/54—Artificial arms or hands or parts thereof
    • A61F2/58—Elbows; Wrists ; Other joints; Hands
    • A61F2/583—Hands; Wrist 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
    • A61F2/54—Artificial arms or hands or parts thereof
    • A61F2/58—Elbows; Wrists ; Other joints; Hands
    • A61F2/583—Hands; Wrist joints
    • A61F2/586—Fingers
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30518—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts
    • A61F2002/30523—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts by means of meshing gear teeth
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30518—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts
    • A61F2002/30523—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts by means of meshing gear teeth
    • A61F2002/30525—Worm gears
    • 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
    • A61F2002/5016—Prostheses not implantable in the body adjustable
    • A61F2002/5018—Prostheses not implantable in the body adjustable for adjusting angular orientation
    • 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
    • A61F2/5044—Designing or manufacturing processes
    • A61F2002/5055—Reinforcing prostheses by embedding particles or fibres during moulding or dipping, e.g. carbon fibre composites
    • 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
    • A61F2002/5093—Tendon- or ligament-replacing cables
    • 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
    • A61F2/54—Artificial arms or hands or parts thereof
    • A61F2/58—Elbows; Wrists ; Other joints; Hands
    • A61F2/583—Hands; Wrist joints
    • A61F2/586—Fingers
    • A61F2002/587—Thumbs
    • 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
    • A61F2/70—Operating or control means electrical
    • A61F2002/701—Operating or control means electrical operated by electrically controlled means, e.g. solenoids or torque motors
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements

Abstract

A hand prosthesis includes a chassis to which a number of finger prostheses are articulated. Each of the finger prostheses are movable relative to the chassis and toward one another about at least one swiveling axis via a drive that is connected to the finger prostheses by a force transmission unit.

Claims (16)

1. A hand prosthesis comprising a chassis, to which a number of finger prostheses are articulated or elastically coupled, said finger prostheses being movable relative to the chassis and toward one another about at least one swiveling axis by means of a drive, characterized in that the force transmission units (10) on a common drive (6) are coupled to the finger prostheses (3, 4, 5) in such a way that, starting from a rest position, at least two finger prostheses (3, 4, 5) go through different adjusting angles relative to the chassis in dependence on the direction of rotation of the drive (6).
2. The hand prosthesis as claimed in claim 1, characterized in that the force transmission units (10) are rotatably mounted on a swiveling coupling element (7).
3. The hand prosthesis as claimed in claim 1 or 2, characterized in that the coupling element (7) is formed as a rotary disk.
4. The hand prosthesis as claimed in claim 2 or 3, characterized in that the axis of rotation of the coupling element (7) is aligned substantially orthogonal to the palmar surface of the chassis (2).
5. The hand prosthesis as claimed in one of the preceding claims, characterized in that the output axis of the drive (6) is aligned substantially orthogonal to the palmar surface of the chassis (2).
6. The hand prosthesis as claimed in one of claims 2 to 5, characterized in that the force transmission units (10) are coupled to the coupling element (7) in such a way that their mountings on the drive side have different dead center positions.
7. The hand prosthesis as claimed in one of the preceding claims, characterized in that drive (6) is formed as a pancake motor.
8. The hand prosthesis as claimed in one of the preceding claims, characterized in that the drive (6) is coupled to a cycloidal gear mechanism or a harmonic-drive gear mechanism on which the coupling element (7) is located.
9. The hand prosthesis as claimed in one of the preceding claims, characterized in that the force transmission unit (10) is formed so as to be rigid under tension and yielding under pressure or elastic under bending.
10. The hand prosthesis as claimed in one of the preceding claims, characterized in that the force transmission unit (10) has a cable, stranded-wire or fiber component (11).
11. The hand prosthesis as claimed in claim 10, characterized in that the cable, stranded-wire or fiber component (11) is formed as a closed loop.
12. The hand prosthesis as claimed in one of the preceding claims, characterized in that the force transmission unit (10) has an elastomer component (12)
13. The hand prosthesis as claimed in claims 10 and 12, characterized in that the elastomer component (12) at least partially encloses the cable, stranded-wire or fiber component (11).
14. The hand prosthesis as claimed in one of the preceding claims, characterized in that the force transmission units (10) have bearing bushes (13, 14) for receiving axial spindles (15, 16) that are assigned to the chassis (2) and the finger prostheses (3, 4, 5).
15. The hand prosthesis as claimed in one of the preceding claims, characterized in that the force transmission unit (10) is formed in a resiliently elastic manner.
16. The hand prosthesis as claimed in claim 15, characterized in that the spring rate of the force transmission unit (10) is set such that, when the force transmission unit (10) is subjected to the force of a pressure, a return of the finger prosthesis (3, 4, 5) into a starting position is brought about.
CA2631982A 2005-12-20 2006-12-07 Hand prosthesis Active CA2631982C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005061313A DE102005061313A1 (en) 2005-12-20 2005-12-20 hand prosthesis
DE102005061313.6 2005-12-20
PCT/DE2006/002177 WO2007076765A2 (en) 2005-12-20 2006-12-07 Hand prosthesis with fingers that can be aligned in an articulated manner

Publications (2)

Publication Number Publication Date
CA2631982A1 true CA2631982A1 (en) 2007-07-12
CA2631982C CA2631982C (en) 2012-07-17

Family

ID=38228569

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2631982A Active CA2631982C (en) 2005-12-20 2006-12-07 Hand prosthesis

Country Status (12)

Country Link
US (1) US7867287B2 (en)
EP (1) EP1971297B1 (en)
JP (1) JP5242409B2 (en)
KR (1) KR101265934B1 (en)
CN (1) CN101340866B (en)
AT (1) ATE548002T1 (en)
AU (1) AU2006332318B2 (en)
BR (1) BRPI0619028B8 (en)
CA (1) CA2631982C (en)
DE (1) DE102005061313A1 (en)
RU (1) RU2387412C2 (en)
WO (1) WO2007076765A2 (en)

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RU2387412C2 (en) 2010-04-27
US20080262636A1 (en) 2008-10-23

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