KR100741656B1 - A handicapped person's artificial hand - Google Patents
A handicapped person's artificial hand Download PDFInfo
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- KR100741656B1 KR100741656B1 KR1020060049264A KR20060049264A KR100741656B1 KR 100741656 B1 KR100741656 B1 KR 100741656B1 KR 1020060049264 A KR1020060049264 A KR 1020060049264A KR 20060049264 A KR20060049264 A KR 20060049264A KR 100741656 B1 KR100741656 B1 KR 100741656B1
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- 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
-
- 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
- A61F2/582—Elbow 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
-
- 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
- A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
-
- 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
-
- 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
- A61F2002/5038—Hinged joint, e.g. with transverse axle restricting the movement
-
- 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
- A61F2002/5072—Prostheses not implantable in the body having spring 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
- 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
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- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Oral & Maxillofacial 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)
- Prostheses (AREA)
Abstract
Description
도 1은 본 발명의 바람직한 사용상태 사시도1 is a perspective view of a preferred use state of the present invention
도 2는 본 발명에 따른 장애인용 의수의 손가락 형태의 사시도Figure 2 is a perspective view of the finger shape of the handicapped person according to the invention
도 3은 본 발명에 따른 장애인용 의수의 와이어 조절부재의 사용 상태 사시도Figure 3 is a perspective view of the use state of the wire control member of the handicapped person according to the invention
도 4는 본 발명에 따른 본 발명에 따른 장애인용 의수의 스위치 조절부재의 사용상태 사시도Figure 4 is a perspective view of the use state of the switch adjustment member of the handicapped person according to the invention according to the present invention
도 5는 본 발명에 따른 조절대의 구조를 나타낸 정면도5 is a front view showing the structure of the adjuster according to the invention
도 6은 본 발명에 따른 엄지 및 검지와 장갑의 구조를 나타낸 측면도Figure 6 is a side view showing the structure of the thumb and index finger and gloves according to the invention
〈도면의 주요 부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>
10 : 조절판 23 : 제 4 스프링10: throttle 23: fourth spring
15 : 스위치 25 : 제 1 지지대15
16 : 스위치 조절부재 26 : 제 2 지지대16: switch adjusting member 26: second support
20 : 제 1 스프링 30 : 제 1 와이어20: first spring 30: first wire
21 : 제 2 스프링 31 : 제 2 와이어21: second spring 31: second wire
22 : 제 3 스프링 32 : 제 3 와이어22: third spring 32: third wire
35 : 와이어 조절부재 57 : 제 3 연결고리35
40 : 제 1안내관 58 : 제 4 연결고리40: the first guide 58: the fourth link
41 : 제 2 안내관 60 : 상박보호대41: 2nd Guidance Officer 60: Armor Guard
42 : 제 1 안내구 61 : 하박보호대42: first guide 61: Habakkuk protection
43 : 제 2 안내구 70 : 엄지 프레임43: second guide 70: thumb frame
44 : 제 3 안내구 71 : 검지 프레임44: third guide 71: index frame
45 : 공간부 75 : 제 1 모터45: space portion 75: the first motor
50 : 제 1 힌지부 77 : 건전지50: first hinge portion 77: a battery
51 : 제 2 힌지부 80 : 손가락 끝자리51: second hinge portion 80: fingertips
52 : 제 3 힌지부 90 : 장갑손가락 끝자리52: third hinge 90: glove finger tip
55 : 제 1 연결고리 100 : 장갑55: first link 100: gloves
56 : 제 2 연결고리56: second link
본 출원인이 선출원 등록한 실용신안등록 제 351275호와 관련된 의수의 팔꿈치를 착용한 손목절단 장애인이 더욱 안전하고 편리하게 사용할 수 있게 한 의수로서, 자신의 절단된 팔을 이용하여 손가락을 오므리기도 하고 전개를 하기도 하면서 생활이 가능하도록 한 것이다.This is a prosthesis that allows the wrist-cutting disabled person wearing the elbow of the prosthesis associated with the Utility Model Registration No. 351275 registered by the present applicant to be used more safely and conveniently. It is also possible to live.
일반적으로 팔목이 절단된 장애인이 가장 필요로 하는 의수의 집게손가락인 엄지와 검지로 얇고 작은 물건을 집을 때 용이하도록 대접하는 손가락 끝자리부분 을 직선형으로 경사지게 하여 밀접하게 맞닿을 수 있게 하였다.In general, the injured fingertips, which are the most needed for the handicapped person's forefinger who has a cuff cut, are inclined in a straight line so that they can be brought into close contact with each other.
종래의 기술에 따른 의수들은 각 손가락 끝부분이 동그랗게 형성되고 딱딱한 물질로 이루어져 있어서 바닥에 있는 작은 물건을 집을 수 없었다.The prostheses according to the prior art could not pick up a small object on the floor because each fingertip is rounded and made of a hard material.
본 발명은 상기의 문제점들을 해결하기 위해서 안출된 것으로서, 팔목절단 장애인이 의수를 착용한 팔을 자신의 가슴 쪽으로 당기면 조절판이 와이어 조절부재 및 스위치 조절부재를 움직여서 와이어 조절부재 및 스위치에 연결된 모터 또는 조절판에 연결된 와이어를 당겨서 엄지와 검지를 오므려지게도 하고 전개도 되게 하는 것을 택일적으로 선택하여 이용할 수 있게 하였다.The present invention has been made in order to solve the above problems, when the arm is hand-cuffed to pull the arm wearing a prosthesis toward their chest, the control panel moves the wire control member and the switch control member to the motor control panel connected to the wire control member and the switch By pulling the wire connected to the thumb and forefinger, it is possible to use it as an alternative option.
상기의 목적을 달성하기 위해서, 본 발명은 손가락이 전개 또는 오므려지고, 팔꿈치가 절곡되게 상박보호대와 하박보호대는 힌지 결합되고, 의수의 엄지 프레임과 검지 프레임이 힌지부와 결합되며, 조절대를 자신의 옆구리 쪽으로 움직여서 와이어 조절부재 및 모터 또는 조절판에 연결된 와이어를 당겨서 손가락이 전개 또는 오므려지게 한다.In order to achieve the above object, the present invention, the fingers are deployed or pinched, the upper arm guard and lower arm guard is hinged to bend the elbow, the thumb frame and index finger frame of the prosthesis is coupled with the hinge, Move towards your side to pull the wires connected to the wire control member and the motor or throttle plate so that your fingers are deployed or pinched.
또한, 집게손가락인 엄지와 검지의 손가락과 장갑의 끝자리 부분을 직선으로 경사지게 형성하여 서로 밀접하게 닿을 수 있게 한다.In addition, the index finger and the index finger and the end of the glove is formed to be inclined in a straight line to be in close contact with each other.
이하 본 발명의 장애인용 의수를 바람직한 실시 예를 통해 첨부된 도면을 참조하여 설명하도록 한다.Hereinafter, the prosthesis for the disabled of the present invention will be described with reference to the accompanying drawings through preferred embodiments.
도 1은 본 발명의 바람직한 사용상태 사시도로서, 팔목이 절단된 장애인이 의수를 착용하고 조절판(10)의 움직임에 의해 손가락의 기능을 구할 수 있게 한 사용 상태도이다.1 is a perspective view of a preferred use state of the present invention, a disabled state in which the arm is cut is wearing a prosthesis and is a use state diagram to obtain the function of the finger by the movement of the
도 2는 본 발명에 따른 장애인용 의수의 손가락 형태의 사시도로서, 실제로 이용될 장애인용 의수의 손가락 기능을 나타낸 모형으로, 의수의 손가락은 실제로 신경이 없기 때문에 중지, 약지, 새끼손가락을 굽혀서 유지시키고 집게손가락인 엄지와 검지만 이용하여 물건을 잡거나 집으면 가장 편리한 생활을 할 수 있는 구조로 되어있다.Figure 2 is a perspective view of the shape of the finger of the handicapped person according to the present invention, the model showing the finger function of the handicapped person to be actually used, because the finger of the hand of the hand actually do not have nerves, holding the middle finger, ring finger, pinkie Forefinger uses only thumb and black to grab or pick up objects to make the most convenient life.
도 3은 본 발명에 따른 장애인용 의수의 와이어 조절부재의 사용상태 사시도로서, 팔목이 절단된 팔을 본 발명의 장애인용 의수의 상박보호대(60)와 하박보호대(61)에 삽입하여 자신의 옆구리 쪽으로 움직여서 제 1힌지부(50)로 결합된 조절판(10)이 상박보호대(60)쪽으로 이동하여 제 1지지대(25)와 제 2지지대(26)에 삽입된 와이어 조절부재(35)를 움직이면 제 4연결고리(58)에 연결된 제 1와이어(30)가 제1 안내관(40)과 엄지 프레임(70)에 있는 제 1안내구(42)와 제 1스프링(20)을 통하여 검지 프레임(71)에 있는 제 1연결고리(55)에 연결되어 당겨져서 제 2힌지부(51)의 회전에 의해서 엄지와 검지가 오므려진다.Figure 3 is a perspective view of the state of use of the wire adjustment member of the handicapped person according to the present invention, the arm is cut arm inserted into the upper and
엄지와 검지의 손가락끝자리(80)부분과 장갑손가락 끝자리(90)부분은 엄지와 검지가 오므려져서 밀접하게 맞닿을 수 있게 서로 대접되는 면을 직선으로 경사지게 형성한다.Thumb and index fingertips (80) and the glove fingertips (90) portion of the thumb and forefinger is formed to be inclined in a straight line to face each other to be in close contact with each other.
회동북귀용 제 1스프링(20)과 제 3스프링(22)과 제 4스프링(23)의 탄발력으로 기능이 복귀된다.The function is returned to the elastic force of the
도 4는 본 발명에 따른 장애인용 의수의 스위치 조절부재의 사용 상태 사시도로서, 팔목이 절단된 팔을 본 발명의 장애인용 의수의 상박보호대(60)와 하박보호대(61)에 삽입하여 자신의 옆구리 쪽으로 움직여서 제 1힌지부(50)로 결합된 조절판(10)이 상박보호대(60)쪽으로 이동하여 스위치 조절부재(16)를 움직이면 스위치(15)가 연결되어 건전지(77)의 전원으로 제 1모터(75)가 작동하여 제 2와이어(31)가 제 2안내관(41)과 엄지 프레임(70)에 있는 제 2안내구(43)와 제 2스프링(21)을 통하여 검지 프레임(71)에 있는 제 2연결고리(56)에 연결되어 당겨져서 제 3힌지부(52)의 회전에 의해서 엄지와 검지가 전개된다.Figure 4 is a perspective view of the state of use of the switch adjustment member of the handicapped for handicapped according to the present invention, the arm is cut into the side of his hand by inserting the
엄지와 검지의 손가락 끝자리(80)부분과 장갑 끝자리(90)부분이 밀접하게 맞닿을 수 있게 서로 대접되는 면을 직선으로 경사지게 형성한다.Thumb and index fingertips (80) of the index finger and the glove tip (90) portion is formed to be inclined in a straight line to face each other to be in close contact.
회동복귀용 제 2스프링(21)과 제 3스프링(22)과 제 4스프링(23)의 탄발력으로 기능이 복귀된다.The function is returned to the elastic force of the
도 5는 본 발명에 따른 조절대의 구조를 나타낸 정면도로서, 상박보호대(60)와 조절판(10)은 제 1힌지부(50)로 결합되어 소정의 공간부(50)가 있어 조절판(45)이 좌우로 회전되어 제 3연결고리(57)에 연결된 제 3와이어(32)가 제 3안내구(44)를 통해 당겨진다.5 is a front view showing the structure of the adjuster according to the present invention, the
도 6은 본 발명에 따른 엄지 및 검지와 장갑의 구조를 나타낸 측면도로서, 엄지와 검지의 손가락 프레임은 곡선형으로 되고, 손가락 끝자리(80)부분은 직선으로 경사지게 형성되고, 의수의 장갑손가락 끝자리(90)부분도 직선으로 경사지게 형성된다.Figure 6 is a side view showing the structure of the thumb and index finger and gloves according to the present invention, the thumb and index finger frame is curved, the fingertips (80) portion is formed to be inclined in a straight line, the prosthetic glove finger tip ( 90) The part is also formed to be inclined in a straight line.
이상에서 상술한 바와 같이 본 발명의 장애인용 의수를 착용한 자신의 절단된 손만으로 엄지와 검지를 오므리기도 하고, 전개하기도 하며, 외부의 도움을 받지 않고 물체를 잡을 수 있고, 엄지와 검지손가락 끝부분은 직선으로 경사지게 형성되어 얇고 작은 물건을 쉽게 집을 수 있다.As described above, the thumb and forefinger can be pinched and deployed with only their own cut hand wearing the handicapped person of the present invention as described above, the object can be grasped without external help, and the end of the thumb and index finger The part is formed to be inclined in a straight line to easily pick up thin and small objects.
Claims (3)
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KR1020060049264A KR100741656B1 (en) | 2006-05-29 | 2006-05-29 | A handicapped person's artificial hand |
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KR1020060049264A KR100741656B1 (en) | 2006-05-29 | 2006-05-29 | A handicapped person's artificial hand |
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KR2020060015654U Division KR200426486Y1 (en) | 2006-06-08 | 2006-06-08 | A handicapped person's artificial hand |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012018159A1 (en) * | 2010-08-02 | 2012-02-09 | 서울대학교산학협력단 | Glove-type wearable robot |
KR101243034B1 (en) * | 2011-04-27 | 2013-03-20 | 박상석 | A handicapped person's artificial hand |
KR101247705B1 (en) | 2010-10-27 | 2013-03-26 | 이상원 | An artificial arm linked with an elbow joint |
KR102034988B1 (en) * | 2019-05-15 | 2019-10-21 | 김일열 | Transport aid device for reducing arm joint overload |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4685924A (en) | 1985-10-04 | 1987-08-11 | Massey Peyton L | Prehensile thumb and finger prosthesis |
US5800572A (en) | 1996-05-24 | 1998-09-01 | Loveall; William H. | Arm socket and attached hand prosthesis |
KR20000016854A (en) * | 1999-04-15 | 2000-03-25 | 박창규 | Artificial arm |
-
2006
- 2006-05-29 KR KR1020060049264A patent/KR100741656B1/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4685924A (en) | 1985-10-04 | 1987-08-11 | Massey Peyton L | Prehensile thumb and finger prosthesis |
US5800572A (en) | 1996-05-24 | 1998-09-01 | Loveall; William H. | Arm socket and attached hand prosthesis |
KR20000016854A (en) * | 1999-04-15 | 2000-03-25 | 박창규 | Artificial arm |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012018159A1 (en) * | 2010-08-02 | 2012-02-09 | 서울대학교산학협력단 | Glove-type wearable robot |
KR101247705B1 (en) | 2010-10-27 | 2013-03-26 | 이상원 | An artificial arm linked with an elbow joint |
KR101243034B1 (en) * | 2011-04-27 | 2013-03-20 | 박상석 | A handicapped person's artificial hand |
KR102034988B1 (en) * | 2019-05-15 | 2019-10-21 | 김일열 | Transport aid device for reducing arm joint overload |
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