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WO2003017877A1 - Device at a finger prosthesis - Google Patents

Device at a finger prosthesis Download PDF

Info

Publication number
WO2003017877A1
WO2003017877A1 PCT/SE2002/001512 SE0201512W WO03017877A1 WO 2003017877 A1 WO2003017877 A1 WO 2003017877A1 SE 0201512 W SE0201512 W SE 0201512W WO 03017877 A1 WO03017877 A1 WO 03017877A1
Authority
WO
WIPO (PCT)
Prior art keywords
prosthesis
finger
cover
plate
fixing element
Prior art date
Application number
PCT/SE2002/001512
Other languages
French (fr)
Inventor
Stellan Brimalm
Original Assignee
Bergomed Ab
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 Bergomed Ab filed Critical Bergomed Ab
Publication of WO2003017877A1 publication Critical patent/WO2003017877A1/en

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
    • 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
    • A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
    • A61F2002/30354—Cylindrically-shaped protrusion and recess, e.g. cylinder of circular basis
    • 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
    • A61F2002/30428—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by inserting a protrusion into a slot
    • A61F2002/30431—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by inserting a protrusion into a slot made by first pushing a necked button longitudinally and then sliding it laterally within a keyhole slot
    • 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
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30589—Sealing 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
    • A61F2002/5001—Cosmetic coverings
    • 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
    • A61F2002/5058—Prostheses not implantable in the body having means for restoring the perception of senses
    • A61F2002/5061—Prostheses not implantable in the body having means for restoring the perception of senses the sense of touch
    • 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
    • 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
    • A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
    • 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
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0069—Sealing means

Definitions

  • the present invention concerns a device for transmitting vibrations at a finger prosthesis.
  • the finger prosthesis is intended to replace e.g. a lost human finger, where the prosthesis finger can be attached to the human hand/metacarpus or a hand/metacarpus prosthesis to ensure the continued transmission of vibrations.
  • the finger prosthesis has structural parts and a prosthesis cover made of an elastic material.
  • a living finger When a living finger is lost or amputated, it can be replaced by a prosthesis. This means a loss of contact sensation with the environment when the finger e.g. must grip or touch an object. The contact sensation is particularly important when small objects or objects with a characteristic surface friction must be gripped and/or recognised.
  • Some known finger prostheses have internal structural parts made of metal or other hard material. Over these prostheses fits a cover which is usually made of a substantially elastic material. The friction of the prosthesis cover depends inter alia on the material from which it is made and usually differs significantly from the friction of a human finger.
  • the prosthesis cover should also simulate the human skin and protect the structural elements from dirt. For repair or service the cover must be removed from the prosthesis finger, which is difficult for many users especially for users who have had both hands amputated.
  • the known finger prostheses with this design do not promote, or even dampen/weaken this contact sensation with the environment.
  • the object of the invention is to solve one or more of the above problems. This is achieved with a device according to claim 1.
  • a device intended to transmit vibrations caused e.g. by the device being moved over and in contact with a rough surface the vibrations can be transmitted to a prosthesis fixing, the purpose of which is to connect the prosthesis to a hand prosthesis or a human hand so that the vibrations can be detected and experienced by the user of the prosthesis.
  • the device further comprises a plate and detachable fixing element intended to connect the plate with the inner structural parts.
  • Fig. 1 shows a diagrammatic sketch from the side of a device according to the invention for a finger prosthesis.
  • Fig. 2 shows a diagrammatic sketch of a device according to the invention in a view from below.
  • Fig. 3 shows a diagrammatic sketch of a device according to the invention at a cross-section of fig. 1 viewed from the front.
  • a device for transmission of vibrations is generally referenced in the drawings as 1.
  • the device has a plate la, fixing element lb and annular projection lc.
  • a finger prosthesis 2 is shown in cross section in fig. 1, where the prosthesis has a structural part exemplified in fig. 1 by a thin-walled hollow part 2a, and a prosthesis cover 2b.
  • the device 1 is arranged at a first end 2c of the prosthesis 2 and with substantially all or at least part of the plate la outside the prosthesis cover 2b, whereby the device 1 is easy to use for a user.
  • a prosthesis fixing (not shown).
  • the purpose of the fixing is to connect the finger prosthesis 2 to a hand prosthesis or human hand (not shown) so that vibrations can be detected and experienced by the user of the finger prosthesis 2.
  • the fixing element lb is connected to the plate la and intended to connect at least one of the structural parts e.g. part 2a of the prosthesis.
  • the fixing element lb in a preferred embodiment has a locking part Id attached to a spacer le which in turn is connected to the plate la.
  • the structural part 2a has two through openings 2d, the size of which corresponds substantially to the cross-section of spacer le.
  • the locking part Id has a greater cross-section than the spacer le which thus creates a snap lock function when pressed through the opening 2d.
  • the locking part Id is made of a resilient material e.g. soft plastic so it can be pushed through opening 2d and then substantially return to its original form. In the locked position, see fig.
  • the locking part Id acts to drive the plate la and hence the annular projection lc towards the prosthesis cover and the structural part 2a.
  • the annular projection lc thus distributes the clamping forces occurring in the prosthesis cover 2b between the plate la and the structural part 2a and positions the plate la in a particular position. High clamping forces lead to fixing of the plate la which is rigid and gives good transmission of vibrations.
  • the annular projection lc also constitutes a seal so that dirt, water or other elements are prevented from entering fixing element lb and finger prosthesis 2.
  • the device 1 is made of plastic e.g. by injection moulding, where preferably the entire device 1 is made of the same material.
  • the plate is made of a harder material than e.g. the locking part Id.
  • the preferred snap lock function makes it easy to attach and release device 1, which means e.g. that the user himself can exchange it e.g. on wear or if damage occurs.
  • the plate la has a curvature which substantially follows a corresponding curvature on the end 2c of the finger prosthesis.
  • the plate thus describes part of a substantially straight and circular cylinder.
  • the curvature means that the plate lc is more rigid and can transmit vibrations better.
  • the curvature also facilitates production of device 1 as a softer material can be selected for the plate 1 than otherwise, and hence supports the possibility of using the same material in the plate la as in the locking part Id.
  • the device 1 is preferably placed with a part projecting outside the finger prosthesis end 2c, see fig. 1, so it is easily accessible to the user when e.g. he wishes to move the device 1 over a rough surface to cause vibrations, but also when he wishes to get a good grip e.g. when handling small objects or using the device as a tool.
  • the fixing device has a different number of fixing elements than that preferred, e.g. one, more than two or none of this type of fixing element.
  • the plate la is attached directly to the prosthesis cover by means of glue or similar.
  • the fixing element can comprise one or more screws.

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Transplantation (AREA)
  • Prostheses (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Oral & Maxillofacial Surgery (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)
  • Cardiology (AREA)

Abstract

Device (1) for a finger prosthesis (2) to transmit vibrations, where the finger prosthesis (2) firstly comprises at least one structural prosthesis part and secondly a prosthesis cover (2b) of elastic material arranged substantially covering the finger prosthesis (2). The device (1) consists of a vibration-transmitting material and is arranged at an end (2c) of the finger prosthesis and arranged at least partly outside the prosthesis cover (2b).

Description

TITLE
DRIVE DEVICE FOR A FINGER PROSTHESIS.
DESCRIPTION TECHNICAL FIELD
The present invention concerns a device for transmitting vibrations at a finger prosthesis. The finger prosthesis is intended to replace e.g. a lost human finger, where the prosthesis finger can be attached to the human hand/metacarpus or a hand/metacarpus prosthesis to ensure the continued transmission of vibrations. Furthermore the finger prosthesis has structural parts and a prosthesis cover made of an elastic material.
BACKGROUND OF THE INVENTION AND PROBLEM
When a living finger is lost or amputated, it can be replaced by a prosthesis. This means a loss of contact sensation with the environment when the finger e.g. must grip or touch an object. The contact sensation is particularly important when small objects or objects with a characteristic surface friction must be gripped and/or recognised. Some known finger prostheses have internal structural parts made of metal or other hard material. Over these prostheses fits a cover which is usually made of a substantially elastic material. The friction of the prosthesis cover depends inter alia on the material from which it is made and usually differs significantly from the friction of a human finger. The prosthesis cover should also simulate the human skin and protect the structural elements from dirt. For repair or service the cover must be removed from the prosthesis finger, which is difficult for many users especially for users who have had both hands amputated.
The known finger prostheses with this design do not promote, or even dampen/weaken this contact sensation with the environment.
OBJECT OF THE INVENTION AND SOLUTION TO THE PROBLEM
The object of the invention is to solve one or more of the above problems. This is achieved with a device according to claim 1.
By attaching to a finger prosthesis with at least one inner structural part which is covered by a prosthesis cover of a substantially elastic material and at least partly arranged outside the prosthesis cover, a device intended to transmit vibrations caused e.g. by the device being moved over and in contact with a rough surface, the vibrations can be transmitted to a prosthesis fixing, the purpose of which is to connect the prosthesis to a hand prosthesis or a human hand so that the vibrations can be detected and experienced by the user of the prosthesis.
The device according to a preferred embodiment further comprises a plate and detachable fixing element intended to connect the plate with the inner structural parts.
DESCRIPTION OF THE DRAWINGS
The invention will be described below in the embodiment example with reference to the figures as follows.
Fig. 1 shows a diagrammatic sketch from the side of a device according to the invention for a finger prosthesis.
Fig. 2 shows a diagrammatic sketch of a device according to the invention in a view from below.
Fig. 3 shows a diagrammatic sketch of a device according to the invention at a cross-section of fig. 1 viewed from the front.
DESCRIPTION OF EMBODIMENT EXAMPLE
A device for transmission of vibrations is generally referenced in the drawings as 1. The device has a plate la, fixing element lb and annular projection lc. A finger prosthesis 2 is shown in cross section in fig. 1, where the prosthesis has a structural part exemplified in fig. 1 by a thin-walled hollow part 2a, and a prosthesis cover 2b. The device 1 is arranged at a first end 2c of the prosthesis 2 and with substantially all or at least part of the plate la outside the prosthesis cover 2b, whereby the device 1 is easy to use for a user. At the end opposite the first end 2c is a prosthesis fixing (not shown). The purpose of the fixing is to connect the finger prosthesis 2 to a hand prosthesis or human hand (not shown) so that vibrations can be detected and experienced by the user of the finger prosthesis 2.
The fixing element lb is connected to the plate la and intended to connect at least one of the structural parts e.g. part 2a of the prosthesis. The fixing element lb in a preferred embodiment has a locking part Id attached to a spacer le which in turn is connected to the plate la. The structural part 2a has two through openings 2d, the size of which corresponds substantially to the cross-section of spacer le. The locking part Id has a greater cross-section than the spacer le which thus creates a snap lock function when pressed through the opening 2d. The locking part Id is made of a resilient material e.g. soft plastic so it can be pushed through opening 2d and then substantially return to its original form. In the locked position, see fig. 1, the locking part Id acts to drive the plate la and hence the annular projection lc towards the prosthesis cover and the structural part 2a. The annular projection lc thus distributes the clamping forces occurring in the prosthesis cover 2b between the plate la and the structural part 2a and positions the plate la in a particular position. High clamping forces lead to fixing of the plate la which is rigid and gives good transmission of vibrations. The annular projection lc also constitutes a seal so that dirt, water or other elements are prevented from entering fixing element lb and finger prosthesis 2. In the preferred embodiment the device 1 is made of plastic e.g. by injection moulding, where preferably the entire device 1 is made of the same material. In alternative embodiments the plate is made of a harder material than e.g. the locking part Id. The preferred snap lock function makes it easy to attach and release device 1, which means e.g. that the user himself can exchange it e.g. on wear or if damage occurs.
In the preferred embodiment the plate la has a curvature which substantially follows a corresponding curvature on the end 2c of the finger prosthesis. The plate thus describes part of a substantially straight and circular cylinder. The curvature means that the plate lc is more rigid and can transmit vibrations better. The curvature also facilitates production of device 1 as a softer material can be selected for the plate 1 than otherwise, and hence supports the possibility of using the same material in the plate la as in the locking part Id.
The device 1 is preferably placed with a part projecting outside the finger prosthesis end 2c, see fig. 1, so it is easily accessible to the user when e.g. he wishes to move the device 1 over a rough surface to cause vibrations, but also when he wishes to get a good grip e.g. when handling small objects or using the device as a tool.
Other alternative embodiments of the fixing device have a different number of fixing elements than that preferred, e.g. one, more than two or none of this type of fixing element. In the latter embodiment the plate la is attached directly to the prosthesis cover by means of glue or similar.
The invention should not be regarded as limited to the examples described above but may vary within the scope of the claims, e.g. the fixing element can comprise one or more screws.
LIST OF REFERENCES
1 device la plate lb fixing element lc annular projection
Id locking part le spacer
2 finger prosthesis
2a structural part
2b prosthesis cover
2c first end
2d through opening

Claims

1. Device ( 1) for a finger prosthesis (2), which device (1) is intended to transmit vibrations, where the finger prosthesis (2) firstly comprises at least one structural prosthesis part (2a) intended to transmit vibrations from the prosthesis part (2a) to the fastening of the finger prosthesis at e.g. a hand prosthesis or a human hand, and secondly a prosthesis cover (2b) of elastic material arranged substantially covering the finger prosthesis (2), characterised in that the device (1) consists of a vibration- transmitting material, the device (1) is arranged at an end (2c) of the finger prosthesis (2), and the device (1) is arranged at least partly outside the prosthesis cover (2b).
2. Device according to claim 1, characterised in that the device ( 1) has a fixing element (lb) designed to connect the device (1) to the prosthesis part (2a).
3. Device according to any of claims 1 or 2, characterised in that the device (1) has a plate (la) and that the fixing element (lb) of the device is designed to be arranged in a through opening in the prosthesis cover (2b) or prosthesis part (2a), where the fixing element is designed to exert a clamping force to clamp the prosthesis cover between the plate (la) and the prosthesis part (2a).
4. Device according to claim 3, characterised in that on the inside of the plate (la) is an annular projection (lc) surrounding the fixing element
(lb) and designed to distribute the clamping forces in the prosthesis cover (2b).
5. Device according to any of the previous claims, characterised in that the device ( 1) has a part which extends beyond the end (2c) of the finger prosthesis.
6. Device according to any of the previous claims, characterised in that the device (1) is connected with the prosthesis cover (2b).
7. Device according to any of claims 3 - 6, characterised in that the plate (la) has a curvature which substantially follows a curvature of the finger prosthesis.
PCT/SE2002/001512 2001-08-27 2002-08-26 Device at a finger prosthesis WO2003017877A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0102834A SE0102834D0 (en) 2001-08-27 2001-08-27 Device for a finger prosthesis
SE0102834-9 2001-08-27

Publications (1)

Publication Number Publication Date
WO2003017877A1 true WO2003017877A1 (en) 2003-03-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2002/001512 WO2003017877A1 (en) 2001-08-27 2002-08-26 Device at a finger prosthesis

Country Status (2)

Country Link
SE (1) SE0102834D0 (en)
WO (1) WO2003017877A1 (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8657887B2 (en) 2008-03-17 2014-02-25 Tough EMAS Limited Prosthesis covering
US8828096B2 (en) 2008-12-19 2014-09-09 Touch Emas Limited Prosthesis covering
CN106038008A (en) * 2015-11-18 2016-10-26 杭州若比邻机器人科技有限公司 Connecting structure of proximal phalanx and proximal interphalangeal joint of prosthetic finger
US10265197B2 (en) 2014-05-09 2019-04-23 Touch Bionics Limited Systems and methods for controlling a prosthetic hand
US10369024B2 (en) 2016-09-02 2019-08-06 Touch Bionics Limited Systems and methods for prosthetic wrist rotation
US10369016B2 (en) 2014-02-04 2019-08-06 Rehabilitation Institute Of Chicago Modular and lightweight myoelectric prosthesis components and related methods
US10398576B2 (en) 2011-08-18 2019-09-03 Touch Bionics Limited Prosthetic feedback apparatus and method
US10449063B2 (en) 2014-10-03 2019-10-22 Touch Bionics Limited Wrist device for a prosthetic limb
WO2020065267A1 (en) * 2018-09-25 2020-04-02 Covvi Limited A mechanical hand
US10610385B2 (en) 2013-02-05 2020-04-07 Touch Bionics Limited Multi-modal upper limb prosthetic device control using myoelectric signals
US10973660B2 (en) 2017-12-15 2021-04-13 Touch Bionics Limited Powered prosthetic thumb
US11083600B2 (en) 2014-02-25 2021-08-10 Touch Bionics Limited Prosthetic digit for use with touchscreen devices
US11185426B2 (en) 2016-09-02 2021-11-30 Touch Bionics Limited Systems and methods for prosthetic wrist rotation
US11931270B2 (en) 2019-11-15 2024-03-19 Touch Bionics Limited Prosthetic digit actuator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656545A (en) * 1948-06-28 1953-10-27 Jr John E Conzelman Prosthetic device sensory attachment
US3751733A (en) * 1972-02-22 1973-08-14 J Fletcher Tactile sensing means for prosthetic limbs
US4661187A (en) * 1985-04-03 1987-04-28 Beasley Robert W Method of making life-like prosthetic devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656545A (en) * 1948-06-28 1953-10-27 Jr John E Conzelman Prosthetic device sensory attachment
US3751733A (en) * 1972-02-22 1973-08-14 J Fletcher Tactile sensing means for prosthetic limbs
US4661187A (en) * 1985-04-03 1987-04-28 Beasley Robert W Method of making life-like prosthetic devices

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8657887B2 (en) 2008-03-17 2014-02-25 Tough EMAS Limited Prosthesis covering
US8828096B2 (en) 2008-12-19 2014-09-09 Touch Emas Limited Prosthesis covering
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US11890208B2 (en) 2013-02-05 2024-02-06 Touch Bionics Limited Multi-modal upper limb prosthetic device control using myoelectric signals
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US11464654B2 (en) 2014-02-04 2022-10-11 Rehabilitation Institute Of Chicago Modular and lightweight myoelectric prosthesis components and related methods
US10369016B2 (en) 2014-02-04 2019-08-06 Rehabilitation Institute Of Chicago Modular and lightweight myoelectric prosthesis components and related methods
US11083600B2 (en) 2014-02-25 2021-08-10 Touch Bionics Limited Prosthetic digit for use with touchscreen devices
US10265197B2 (en) 2014-05-09 2019-04-23 Touch Bionics Limited Systems and methods for controlling a prosthetic hand
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US12097131B2 (en) 2014-10-03 2024-09-24 Touch Bionics Limited Wrist device for a prosthetic limb
US10449063B2 (en) 2014-10-03 2019-10-22 Touch Bionics Limited Wrist device for a prosthetic limb
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US10369024B2 (en) 2016-09-02 2019-08-06 Touch Bionics Limited Systems and methods for prosthetic wrist rotation
US10973660B2 (en) 2017-12-15 2021-04-13 Touch Bionics Limited Powered prosthetic thumb
US11786381B2 (en) 2017-12-15 2023-10-17 Touch Bionics Limited Powered prosthetic thumb
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