CN209933083U - Wearable elastic rigid composite rod artificial limb finger - Google Patents
Wearable elastic rigid composite rod artificial limb finger Download PDFInfo
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- CN209933083U CN209933083U CN201920465987.2U CN201920465987U CN209933083U CN 209933083 U CN209933083 U CN 209933083U CN 201920465987 U CN201920465987 U CN 201920465987U CN 209933083 U CN209933083 U CN 209933083U
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- knuckle
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- hinged
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- 239000002131 composite material Substances 0.000 title claims abstract description 9
- 210000003414 extremity Anatomy 0.000 claims description 26
- 210000000707 wrist Anatomy 0.000 claims description 22
- 230000005489 elastic deformation Effects 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 7
- 210000001145 finger joint Anatomy 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 20
- 210000003811 finger Anatomy 0.000 description 114
- 230000009471 action Effects 0.000 description 13
- 210000003813 thumb Anatomy 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 210000004932 little finger Anatomy 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000002266 amputation Methods 0.000 description 3
- 210000004247 hand Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 241000203475 Neopanax arboreus Species 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003183 myoelectrical effect Effects 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
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Abstract
The utility model discloses a wearable elastic rigid composite rod artificial limb finger. The first knuckle of the artificial limb finger consists of an elastic section, a connecting section and a rigid section, the near end of the elastic section of the first knuckle is hinged with the finger frame, the connecting section is fixedly connected with a first knuckle fixing frame through a screw, the first knuckle fixing frame is fixed on the first knuckle residual finger of a hand through a first knuckle binding band, and the secondary far end of the rigid section of the first knuckle is hinged with the second knuckle; the first connecting rod consists of an elastic section, a contact section and a rigid section, the near end of the elastic section of the first connecting rod is hinged with the finger rack, and the far end of the rigid section of the first connecting rod is hinged with the second finger section; the second knuckle is hinged with the third knuckle, the near end of the second connecting rod is hinged with the far end of the rigid section of the first knuckle of the artificial limb, and the far end of the second connecting rod is hinged with the third knuckle. The utility model discloses prosthetic finger provides motion power by the incomplete finger of staff, need not battery, motor, decelerator and flesh electrical signal sensor, its wearing formula with the hookup of staff, be convenient for install and demolish.
Description
Technical Field
The utility model belongs to the field of medical rehabilitation equipment, in particular to a wearable elastic rigid composite rod artificial limb finger.
Background
At present, the artificial finger is used as an important part of an artificial hand, and the artificial hand is arranged at the end part of the stump of the disabled person and is used for realizing certain functions of the hand of the person, and is generally used for amputating a patient from the wrist or the elbow. The Suva single-degree-of-freedom prosthetic hand of OttoBock company in Germany is driven by a micro motor, and the prosthetic hand only has a simple opening and closing function and cannot realize a complex action mode. Modern prosthetic hands have multiple degrees of freedom, and generally have five fingers, wherein the index finger, middle finger, ring finger and little finger have the same mechanical structure, and are collectively referred to as fingers, each finger has two joints, the first joint is a driving joint, the second joint is a driven joint, the motions of the two joints are coupled, each finger is driven by a micro motor, and the driving mode is called as underactuation in the industry. Representative multi-degree-of-freedom prosthetic hands are the ilimb prosthetic hand manufactured by Blatchford & son of the uk and the beionic prosthetic hand manufactured by Steeper of iceland. The first joint of the fingers of the ilimb artificial hand is driven by a worm and worm gear, the miniature motor and miniature speed reducer assembly is arranged in a cavity of the first finger joint of the fingers, an output shaft of the miniature speed reducer drives the worm to rotate through a bevel gear pair, the worm gear is connected to the palm part and is fixed relative to the palm, when the motor rotates, the worm rotates together with the miniature motor and the first finger joint around the worm gear to realize the movement of the first joint, and the second joint is driven by a rope connected to the worm gear. A first joint of a finger of the Bebionic prosthetic hand is driven by a sliding block connecting rod mechanism, a second joint of the finger of the Bebionic prosthetic hand is driven by a four-connecting rod mechanism, an active motion rod piece of the four-connecting rod is a first knuckle, and a micro-motor micro-speed reducer assembly is arranged in a palm.
The iLimb prosthetic finger, because the motor and reducer assembly is placed in the first knuckle cavity, can also be used for amputation from the palm of the patient, while the beibionic prosthetic finger, because the motor and reducer assembly is placed in the palm of the hand, cannot be used for amputation from the palm of the patient.
In addition, the following are found by searching the existing literature:
chinese utility model patent publication No.: CN 1418765, name: a dexterous hand mechanism of a robot. The two joints of each finger are controlled by two motors respectively, although the flexibility is increased, the artificial hand is not suitable for reasons of weight and the like.
Chinese utility model patent publication No.: CN 1365877, name: the robot simulates a multi-finger hand device. Four fingers, namely an index finger, a middle finger, a ring finger and a little finger, are controlled by one motor; the thumb is controlled by a motor. Only the five-finger grabbing operation mode can be realized, and other motion modes such as two-finger pinching, mouse double-click and the like cannot be realized.
Chinese utility model patent publication No.: CN 103565562 a, name: an under-actuated prosthetic hand. Three motors are used for controlling the movement of five fingers, wherein the index finger and the middle finger are controlled by one motor, the ring finger and the little finger are controlled by one motor, and the thumb is controlled by one motor, so that the independent movement of each finger cannot be realized. The mechanical transmission chain is characterized in that a motor drives a screw rod nut mechanism, the rotary motion of the motor is converted into the linear motion of a sliding block through a sliding block guide rail mechanism, the sliding block pulls a rope to drive each knuckle of a finger, and the transmission chain is longer, so that the size of a palm is also longer; the outward rotation of the thumb and the flexion and extension movement of the thumb are not independent.
Chinese utility model patent publication No.: CN 103538077 a, name: a multi-freedom-degree machine bionic hand. Six motors are used for controlling the prosthetic hand, wherein the index finger, the middle finger, the ring finger and the little finger are respectively provided with one motor; the thumb uses two motors, one for outward rotation of the thumb and the other for abduction and abduction of the thumb. The motors are all fixed on the palm of the hand, and the mechanical transmission chain is a worm and worm gear mechanism. The finger and thumb motors are placed in sequence, so that the palm is very long.
As can be seen from the prior products and the patented technology, the research on the artificial finger which is amputated from the first knuckle of the finger is lacked. From the perspective of the surgeon, it is reasonable to be able to retain as much of the disabled's anatomy as possible; from the viewpoint of a prosthesis installation company, sometimes, it is more convenient for the prosthesis installation to cut off more residual tissues. Amputation is carried out from the first knuckle of the finger, the disabled keeps one part of the first knuckle, the finger with the disabled can still act, if the artificial finger can be used for realizing the functions of the second knuckle and the third knuckle, great life convenience can be brought to the disabled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough in present prosthetic finger and the patent technique, provide a simple structure, reliable, light in weight's prosthetic finger structure, can be used for following the patient that the first knuckle of finger amputated.
The utility model discloses a following technical scheme realizes: for convenience of description, hereinafter, the end of the element near the wrist is referred to as the proximal end of the element, and the end near the fingertip is referred to as the distal end of the element.
The wearable elastic rigid composite rod artificial limb finger comprises a first knuckle, a second knuckle and a third knuckle of an artificial limb from near to far; the grooves at two sides of the far end of the base plate respectively penetrate through the first wrist strap and the second wrist strap, and the two wrist straps are connected together through bonding or buckling connection so that the far end of the base plate is fixedly connected with the wrist of a human body; the finger frame is connected to the far end of the base plate through a first frame rivet and a second frame rivet and is close to a first knuckle joint of a finger of a human hand; the first knuckle of the artificial limb is a rod piece which consists of three sections, namely an elastic section, a connecting section and a rigid section from near to far, the elastic section is a thin curved plate in appearance, the near end of the elastic section is provided with a pin shaft hole, a pin shaft at the near end of the first knuckle penetrates through the pin shaft hole at the near end of the elastic section and a pin shaft hole of a finger rack to realize the hinge connection of the far end of the first knuckle of the artificial limb and the finger rack, the elastic section and the finger rack can rotate relatively, the elastic section can generate bending and straightening elastic deformation, the connecting section is provided with a long slotted hole along the finger direction, a first knuckle fixing screw penetrates through the slotted hole to be connected to a first knuckle fixing frame, a first knuckle binding belt penetrates through a groove on the first knuckle fixing frame to fix the first knuckle fixing frame on the first knuckle of the finger of the human hand and is positioned in the hand back direction, so that the connecting section of the first knuckle of the artificial limb is fixedly connected with the, the artificial limb first knuckle rigid section rotates around a first joint of a finger of a person along with a first knuckle residual finger of the hand, the rigid section has high rigidity and cannot generate elastic deformation, a secondary far end of the rigid section is provided with a pin shaft hole, and a secondary far end pin shaft of the first knuckle penetrates through the secondary far end pin shaft hole of the rigid section to realize the hinged connection of the secondary far end of the artificial limb first knuckle and the artificial limb second knuckle; the first connecting rod is composed of three sections, namely an elastic section, a contact end and a rigid section from near to far, the elastic section is a thin curved plate, the near end of the elastic section is provided with a pin shaft hole, a pin shaft at the near end of the first connecting rod penetrates through the pin shaft hole and a pin shaft hole of the finger rack to realize the hinge connection of the first connecting rod and the finger rack, the first connecting rod and the finger rack can rotate relatively, the first connecting rod is positioned at one side of the outer side of the fingers of a hand in the hand back direction, when the fingers move, the connecting rod rotates around the hole of the finger rack, the contact section is used for contacting with a first knuckle joint of the hand, the elastic section can generate elastic deformation, the rigid section has stronger rigidity and cannot generate elastic deformation, the far end of the rigid section is provided with the pin shaft hole, and the pin shaft at the far end of the first connecting rod penetrates through the pin shaft hole at the far end; the upper end of the third knuckle is hinged with the upper end of the second knuckle through a third knuckle pin shaft, and the third knuckle pin shaft and the second knuckle pin shaft can rotate relatively around an upper end axis; the near end of the second connecting rod is hinged with the far end of the rigid section of the first knuckle of the artificial limb through a near-end pin shaft of the second connecting rod, and the far end of the second connecting rod is hinged with the lower end of the third knuckle through a far-end pin shaft of the second connecting rod; the transmission process when the fingers bend the fingers is that the first knuckle rigid section of the human finger rotates around the first knuckle joint, the artificial limb first knuckle rigid section moves along with the first knuckle of the human finger, the artificial limb first knuckle elastic section generates elastic deformation to adapt to the movement, when the rotation angle of the first knuckle is smaller, the first connecting rod contact section is not contacted with the first knuckle of the human finger, the first connecting rod elastic section does not generate elastic deformation, under the action of the first connecting rod, the second knuckle relatively rotates with respect to the first knuckle, under the action of the second connecting rod, the third knuckle relatively rotates with respect to the second knuckle with a smaller angle to realize smaller finger bending movement of the fingers, when the rotation angle of the first knuckle is larger, the first connecting rod contact section contacts with the first knuckle of the human finger, the first connecting rod elastic section generates elastic deformation, under the action of the first connecting rod, the second knuckle relatively rotates with respect to the first knuckle with a larger angle, under the action of the second connecting rod, the third knuckle correspondingly rotates relative to the second knuckle to realize larger finger bending movement, and the elastic section of the first knuckle of the artificial limb, the finger rack, the base plate, the first wrist binding band and the second wrist binding band play a role in strengthening connection to prevent the first knuckle of the artificial limb finger from slipping along the first knuckle of the hand; the transmission process during finger extension is that the first knuckle of a human finger rotates around the first knuckle joint, the rigid section of the first knuckle of the artificial limb moves together with the first knuckle of the human finger, the elastic section of the first knuckle of the artificial limb moves in a recovery mode, the elastic section of the first connecting rod also moves in a recovery mode, the second knuckle rotates relative to the first knuckle under the action of the first connecting rod, and the third knuckle rotates relative to the second knuckle under the action of the second connecting rod.
The utility model has the following technical advantages:
(1) the motion of the artificial limb finger is provided with motion power by the first knuckle residual finger of the hand, and the artificial limb finger does not need a micro motor, a mechanical speed reducer and a lithium battery and has a simple structure.
(2) The motion of the artificial limb finger is controlled by the human brain without a myoelectric signal sensor and a processing circuit.
(3) The first knuckle and the first connecting rod of the artificial limb comprise elastic sections and rigid sections, are positioned on the outer sides of fingers of the hand and in the direction of the back of the hand, and cannot form mechanical interference on the movement of the fingers of the hand.
(4) The artificial limb finger substrate is fixed with the wrist of a human hand through the wrist binding band, the first knuckle of the artificial limb is fixed with the first knuckle of the human hand through the first knuckle binding band, the artificial limb finger substrate has the characteristics of wearing and is convenient to assemble and disassemble.
Drawings
FIG. 1 shows an intent of a prosthetic finger extension;
fig. 2 is a schematic view of a prosthetic finger flexor.
Wherein: 1. finger stump 2, first knuckle fixing screw 3, first connecting rod
4. A first connecting rod near-end pin shaft 5, a first frame rivet 6 and a second frame rivet
7. First bandage of wrist 8, hand model 9, second bandage of wrist
10. Base plate 11, finger rack 12, first knuckle near-end pin shaft
13. First knuckle 14 of artificial limb, first knuckle fixing frame 15 and first knuckle binding band
16. First knuckle sub-distal end pin 17, first link distal end pin 18, second knuckle
19. Third knuckle pin shaft 20, second connecting rod 21 and second connecting rod far-end pin shaft
22. Third knuckle 23. second link proximal pin
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, the wearable elastic rigid composite rod artificial finger comprises a first finger joint 13, a second finger joint 18 and a third finger joint 22 of the artificial finger from near to far; the grooves at the two sides of the far end of the base plate 10 respectively penetrate through the first wrist strap 7 and the second wrist strap 9, and the two straps are connected together through bonding or buckling connection, so that the far end of the base plate 10 is fixedly connected with the wrist of the hand model 8; the finger frame 11 is connected to the far end of the base plate 10 through a frame first rivet 5 and a frame second rivet 6 and is close to the first knuckle joint of the finger of the human hand; the first knuckle 13 of the artificial limb is a rod piece, the rod piece is composed of three sections, from near to far, an elastic section, a connecting section and a rigid section are respectively arranged, the appearance of the elastic section is a thin curved plate, the near end of the elastic section is provided with a pin shaft hole, a pin shaft 12 at the near end of the first knuckle passes through the pin shaft hole at the near end of the elastic section and a pin shaft hole of the finger frame 11, the hinge connection of the near end of the first knuckle 13 of the artificial limb and the finger frame 11 is realized, the elastic section and the finger frame can rotate relatively, the elastic section can generate bending and straightening elastic deformation, the connecting section is provided with a long slotted hole along the finger direction, a first knuckle fixing screw 2 passes through the slotted hole and is connected to a first knuckle fixing frame 14, a first knuckle binding belt 15 passes through a slot on the first knuckle fixing frame 14 of the finger of the human hand and fixes the first knuckle fixing frame 14 on the first knuckle 1 of the human hand and is positioned in the hand back direction, so that the connecting section of the first, the rigid section of the first knuckle 13 of the artificial limb rotates around the first joint of the finger of the human hand together with the residual finger 1 of the first knuckle of the human hand, the rigid section has stronger rigidity and can not generate elastic deformation, the secondary far end of the rigid section is provided with a pin shaft hole, and a pin shaft 16 at the secondary far end of the first knuckle penetrates through the pin shaft hole at the secondary far end of the rigid section, so that the hinged connection of the 13-time far end of the first knuckle of the artificial limb and the second knuckle 18 of the artificial limb is realized; the first connecting rod 3 is composed of three sections, which are respectively an elastic section, a contact end and a rigid section from near to far, the appearance of the elastic section is a thin curved plate, the near end of the elastic section is provided with a pin shaft hole, a pin shaft 4 at the near end of the first connecting rod passes through the pin shaft hole and a pin shaft hole of the finger rack 11, so that the first connecting rod 3 and the finger rack 11 are hinged and can rotate relatively, the first connecting rod 3 is positioned on one side of the outer side of the fingers of the hand in the back direction, when the fingers move, the first connecting rod 3 rotates around a hole of the finger rack 11, the contact section can be in contact with the first knuckle joint of the hand, the elastic section can generate elastic deformation, the rigid section has stronger rigidity and cannot generate elastic deformation, the far end of the rigid section is provided with a pin shaft hole, and the far end pin shaft 17 of the first connecting rod penetrates through the far end pin shaft hole of the rigid section and the pin shaft hole at the lower end of the second knuckle 18 to realize the hinge connection of the first connecting rod 3 and the second knuckle 18; the upper end of the third knuckle 22 is hinged with the upper end of the second knuckle 18 through a third knuckle pin shaft 19, and the third knuckle pin shaft and the second knuckle 18 can rotate around the upper end axis relatively; the near end of the second connecting rod 20 is hinged with the far end of the first knuckle 13 through a second connecting rod near end pin shaft 23, and the far end of the second connecting rod 20 is hinged with the lower end of the third knuckle 22 through a second connecting rod far end pin shaft 21; the transmission process when the fingers bend the fingers is that the first knuckle residual finger 1 of the human hand rotates around the first knuckle joint, the rigid section of the artificial limb first knuckle 13 moves along with the first knuckle of the human hand, the elastic section of the artificial limb first knuckle 13 generates elastic deformation to adapt to the movement, when the rotation angle of the first knuckle 13 is smaller, the contact section of the first connecting rod 3 is not contacted with the first knuckle of the human hand, the elastic section of the first connecting rod 3 does not generate elastic deformation, under the action of the first connecting rod 3, the second knuckle 18 does smaller relative rotation relative to the first knuckle 13, under the action of the second connecting rod 20, the third knuckle 22 rotates relative to the second knuckle 18 by a smaller angle to realize smaller finger bending movement of the fingers, when the rotation angle of the first knuckle 13 is larger, the contact section of the first connecting rod 3 is contacted with the first knuckle of the human hand, the elastic section of the first connecting rod 3 generates elastic deformation, under the action of the first connecting rod 3, the second knuckle 18 relatively rotates relatively to the first knuckle 13, and under the action of the second connecting rod 20, the third knuckle 22 relatively rotates relatively to the second knuckle 18, so that relatively large finger bending movement of the fingers is realized, the elastic section of the first knuckle 13 of the artificial finger, the finger rack 11, the base plate 10, the first wrist strap 7 and the second wrist strap 8 play a role in strengthening connection, and the first knuckle 13 of the artificial finger is prevented from sliding down along the first knuckle residual finger 1 of the hand; the transmission process during finger extension is that the first knuckle residual finger 1 of a human finger rotates around the first knuckle joint, the rigid section of the first artificial limb knuckle 13 moves together with the first knuckle of the human finger, the elastic section of the first artificial limb knuckle 13 moves in a recovery mode, the elastic section of the first connecting rod 3 also moves in a recovery mode, the second knuckle 18 rotates relative to the first knuckle 13 in the finger extension mode under the action of the first connecting rod 3, and the third knuckle 22 rotates relative to the second knuckle 18 in the finger extension mode under the action of the second connecting rod 20.
Claims (3)
1. The utility model provides a wearing formula elasticity rigidity composite rod spare prosthetic finger which characterized in that: the grooves on the two sides of the far end of the substrate respectively penetrate through the first wrist strap and the second wrist strap, and the first wrist strap and the second wrist strap are connected together through bonding or buckling connection, so that the far end of the substrate is fixedly connected with the wrist of a human body; the finger frame is connected to the far end of the base plate through a first rivet of the frame and a second rivet of the frame and is adjacent to a first finger joint of a finger of a human hand; the first knuckle is composed of three sections, namely a first knuckle elastic section, a first knuckle connecting section and a first knuckle rigid section from near to far, wherein the far end of the first knuckle elastic section is hinged with the finger rack, the first knuckle elastic section generates bending and straightening elastic deformation, the first knuckle connecting section is provided with a long slotted hole along the finger direction, the first knuckle passes through the slotted hole through a fixing screw and is connected with a first knuckle fixing frame, a first knuckle binding belt passes through a slot on the first knuckle fixing frame to fix the first knuckle fixing frame on a first knuckle residual finger of a human finger, the first knuckle rigid section rotates around a first joint of the human finger together with the first knuckle residual finger of the human finger, and the far end of the first knuckle rigid section is hinged with the second knuckle; the first connecting rod consists of three sections, namely a first connecting rod elastic section, a first connecting rod contact end and a first connecting rod rigid section from near to far, wherein the near end of the first connecting rod elastic section is hinged with the finger rack, the first connecting rod rotates around a hole of the finger rack, the first connecting rod contact section is contacted with a first knuckle joint of a hand, the first connecting rod elastic section generates elastic deformation, and the first connecting rod rigid section has stronger rigidity, and the far end of the first connecting rod rigid section is hinged with a second knuckle; the upper end of the third knuckle is hinged with the upper end of the second knuckle through a third knuckle pin shaft, and the third knuckle pin shaft and the second knuckle pin shaft rotate relatively around an upper end axis; the near end of the second connecting rod is hinged with the far end of the first knuckle of the artificial limb, and the far end of the second connecting rod is hinged with the lower end of the third knuckle.
2. The wearable elastic-rigid composite rod prosthetic finger of claim 1, wherein: the first knuckle is positioned on the outer side of the first knuckle residual finger of the hand and is positioned in the hand back direction of the hand.
3. The wearable elastic-rigid composite rod prosthetic finger of claim 1, wherein: the first connecting rod is positioned on the outer side of the first knuckle residual finger of the hand and is positioned in the hand back direction of the hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465987.2U CN209933083U (en) | 2019-04-09 | 2019-04-09 | Wearable elastic rigid composite rod artificial limb finger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465987.2U CN209933083U (en) | 2019-04-09 | 2019-04-09 | Wearable elastic rigid composite rod artificial limb finger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209933083U true CN209933083U (en) | 2020-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920465987.2U Withdrawn - After Issue CN209933083U (en) | 2019-04-09 | 2019-04-09 | Wearable elastic rigid composite rod artificial limb finger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209933083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109864838A (en) * | 2019-04-09 | 2019-06-11 | 唐山康义合纵科技有限公司 | The wearable compound rod piece prosthetic hand of resilient stiff refers to |
| DE102020115096A1 (en) | 2020-06-05 | 2021-12-09 | Stefan Schulz | Metacarpal for a hand prosthesis |
-
2019
- 2019-04-09 CN CN201920465987.2U patent/CN209933083U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109864838A (en) * | 2019-04-09 | 2019-06-11 | 唐山康义合纵科技有限公司 | The wearable compound rod piece prosthetic hand of resilient stiff refers to |
| CN109864838B (en) * | 2019-04-09 | 2024-02-23 | 温岭市大翰弘知智能科技有限公司 | Wearable elastic rigid composite rod artificial finger |
| DE102020115096A1 (en) | 2020-06-05 | 2021-12-09 | Stefan Schulz | Metacarpal for a hand prosthesis |
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Effective date of registration: 20230330 Address after: 317522 F3, building 2, HuiFu spring footwear manufacturing industrial park, 3-1 Fuchun Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Wenling Dahan Hongzhi Intelligent Technology Co.,Ltd. Address before: Room 1203, Floor 12, No. 1698, Weiguo North Road, High-tech Zone, Lubei District, Tangshan City, Hebei Province 063020 Patentee before: TANGSHAN KANGYI HEZONG TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20200114 Effective date of abandoning: 20240223 |
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