GB114007A - Improvements in or relating to Wrist Mechanism for Artificial Arms and Hands. - Google Patents

Improvements in or relating to Wrist Mechanism for Artificial Arms and Hands.

Info

Publication number
GB114007A
GB114007A GB352317A GB352317A GB114007A GB 114007 A GB114007 A GB 114007A GB 352317 A GB352317 A GB 352317A GB 352317 A GB352317 A GB 352317A GB 114007 A GB114007 A GB 114007A
Authority
GB
United Kingdom
Prior art keywords
cord
ring
wrist
bolt
roller
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
Application number
GB352317A
Inventor
Edward Walter Hobbs
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB352317A priority Critical patent/GB114007A/en
Publication of GB114007A publication Critical patent/GB114007A/en
Expired legal-status Critical Current

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

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Transplantation (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Tools (AREA)

Abstract

114,007. Hobbs, E. W. March 9, 1917. Limbs, artificial.-The wrist-rotating mechanism of an arm is actuated directly by a cord and is provided with means whereby the wrist may be locked in position when desired. In the form shown, a cylindrical extension B<1> is mounted on the forearm member B and supports rotatably a ring C, Figs 1 and 3, and a cylindrical mounting E for an artificial hand &c. The ring C carries a projection fitted with a roller or sheave C<2> and is notched at C<1> so that it may be held against rotation by a projection F<3> on a bolt F carried by a guide F<1> within the extension B<1>. A cord D attached to the upper arm band A and passing round the elbow so as to be put under tension when the arm is bent is attached at the other end to the mounting E and is so arranged that the roller C<2> lies in a bight in the cord. Tension on the cord D will rotate the part E against the action of a spring E <2>. When it is desired to lock the wrist, the bolt F is moved backwards so as to be disengaged from the notch C<1>, so freeing the ring C and roller E<2>, and to engage one of a series of notches in a ring E<3>, Figs. 1 and 2, fixed to the mounting E. Tension on the cord will now merely rotate the ring C. The projection F<3> on the bolt is connected thereto by a spring F<6> so that, if the bolt on being moved backwards is not in position to engage one of the notches in the ring E<3>, it will be moved by the spring into engagement with a notch on slight rotary movement of the wrist. In modifications, the cord D may be operated by any ordinary body-harness and the ring C may be arranged otherwise than in the manner shown so long as it provides a point of resistance for the bight of the cord D which may be released when the wrist is locked.
GB352317A 1917-03-09 1917-03-09 Improvements in or relating to Wrist Mechanism for Artificial Arms and Hands. Expired GB114007A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB352317A GB114007A (en) 1917-03-09 1917-03-09 Improvements in or relating to Wrist Mechanism for Artificial Arms and Hands.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB352317A GB114007A (en) 1917-03-09 1917-03-09 Improvements in or relating to Wrist Mechanism for Artificial Arms and Hands.

Publications (1)

Publication Number Publication Date
GB114007A true GB114007A (en) 1918-03-11

Family

ID=32407559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB352317A Expired GB114007A (en) 1917-03-09 1917-03-09 Improvements in or relating to Wrist Mechanism for Artificial Arms and Hands.

Country Status (1)

Country Link
GB (1) GB114007A (en)

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