CN208355716U - Hand tiger's jaw opens big device - Google Patents
Hand tiger's jaw opens big device Download PDFInfo
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- CN208355716U CN208355716U CN201720947115.0U CN201720947115U CN208355716U CN 208355716 U CN208355716 U CN 208355716U CN 201720947115 U CN201720947115 U CN 201720947115U CN 208355716 U CN208355716 U CN 208355716U
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- ball
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- guide
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- metacarpal bone
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- 241000282376 Panthera tigris Species 0.000 title claims abstract description 57
- 210000000236 metacarpal bone Anatomy 0.000 claims abstract description 49
- 210000003811 finger Anatomy 0.000 claims abstract description 35
- 210000003813 thumb Anatomy 0.000 claims abstract description 35
- 230000035479 physiological effects, processes and functions Effects 0.000 claims abstract description 15
- 210000001037 metacarpus Anatomy 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 208000035126 Facies Diseases 0.000 claims description 5
- 241000411545 Punargentus Species 0.000 claims description 5
- 210000001145 finger joint Anatomy 0.000 claims description 5
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- 230000006978 adaptation Effects 0.000 claims description 3
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- 230000008901 benefit Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 230000001766 physiological effect Effects 0.000 abstract description 2
- 206010062575 Muscle contracture Diseases 0.000 description 8
- 208000006111 contracture Diseases 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 210000000511 carpometacarpal joint Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 230000000472 traumatic effect Effects 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010027067 Median nerve injury Diseases 0.000 description 1
- 206010073520 Skin scar contracture Diseases 0.000 description 1
- 208000021945 Tendon injury Diseases 0.000 description 1
- 208000031737 Tissue Adhesions Diseases 0.000 description 1
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- 230000004064 dysfunction Effects 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002683 hand surgery Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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- 210000003205 muscle Anatomy 0.000 description 1
- 230000003950 pathogenic mechanism Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model relates to a kind of hand tiger's jaws to open big device, including two metacarpal bone fixed blocks and closely save fixed block, metacarpal bone strutting assembly and physiology guide-rail plate are equipped between two metacarpal bone fixed blocks, physiology guide-rail plate includes arc-shaped guide plate, arc-shaped guide plate has the first arc guide surface, arc-shaped guide plate is fixedly connected through track plates fixing seat with the metacarpal bone fixed block of index finger, guide runner is fixed on metacarpal bone fixed block on thumb, guide runner slide-and-guide is matched on arc-shaped guide plate, nearly section strutting assembly is equipped between two nearly section fixed blocks, flexible connecting member is equipped between metacarpal bone fixed block and nearly section fixed block on same finger, arc-shaped guide plate is equipped with guidance guide runner along the second adaptable guide rail of thumb swinging track when opening and closing with tiger's jaw on corresponding finger flex direction, second guide rail has leads with the first arc The extension being adapted to face track.With the abundant three-dimensional physiological activity track adapted in tiger's jaw moving process, tiger's jaw stretches abundant advantage.
Description
Technical field
The utility model relates to the field of medical instrument technology, are specifically the hands that big rehabilitation training is opened for hand tiger's jaw
Portion tiger's jaw opens big device.
Background technique
In the tissue of human hands, the tiger's jaw of hand is the first the finger web gap, i.e., the finger web gap between thumb and index finger,
Also referred to as tiger's jaw area, general 15 centimetres or so.Tiger's jaw area the finger web is soft and to have enough scopes of activities be that thumb is sufficiently movable
Basis.Tiger's jaw contractura is one of the common problem of hand surgery, and is upper limb damage post-processing improperly severe secondary lesion.It is few
Number causes adductor pollicis contracture and congenital adductor pollicis strap in injection in hoku-bit for drug.Traumatic Thumb web contracture root
According to its pathomechanism is organized at tiger's jaw, there is a skin scar contracture, subcutaneous fascia contracture, adductor pollicis contracture, short flexor muscel of thumb contracture,
First carpo-metacarpal Joints capsule contracture and first carpo-metacarpal Joints lesion.Traumatic Thumb web contracture still secondary to median nerve injury after,
Thumb is unable to the distal side broken ends of fractured bone after palmar abduction or long flexor muscle of thumb tendon injury, and thumb is adhered to interior receipts position.Seriously affect thumb
Outreach and to the palm function, result in dysfunction, be affected to the life and work of patient.
After tiger's jaw damage or contracture deformity operation are repaired, tiger's jaw need to be fixed on function digit, and traditional Kirschner wire supports tiger's jaw
Method effect is poor, and fixed effect is inaccurate, is also unfavorable for actively taking exercise with passive traction, postoperative for tiger's jaw Vessel Skin Flap,
Also it is unfavorable for flap observation and processing in time.Tiger's jaw actively or passively flexing exercises, just can effectively reduce tiger's jaw interior tissue
Adhesion, to be more effectively carried out recovery orthopaedic function.Those skilled in the art devise for being fixed on hand tiger's jaw area
On fixation bracket (as China Patent No. be disclosed in 201310299265.1 documents it is a kind of open for hand tiger's jaw it is big micro-
Type external fixing rack), fixed bracket has both the rehabilitation training function of driving tiger's jaw folding, but existing fixed bracket is mostly single side
To, the due physiology track in hand tiger's jaw area is not accounted for, it is insufficient so as to cause tiger's jaw stretching, influence rehabilitation efficacy.
Summary of the invention
The present utility model purpose: to overcome defect of the existing technology, the utility model provides a kind of sufficiently suitable
The physiological activity track in tiger's jaw moving process is answered, tiger's jaw stretches sufficient hand tiger's jaw and opens big device.
To achieve the above object, the utility model provides following technical solution:
A kind of hand tiger's jaw opens big device, and the metacarpal bone being fixed on the metacarpal bone of thumb and index finger is respectively corresponded including two and is fixed
Block and two respectively correspond be fixed on thumb and index finger nearly section refer on nearly section fixed block, between two metacarpal bone fixed blocks
Equipped with metacarpal bone strutting assembly and physiology guide-rail plate, the physiology guide-rail plate includes extending along thumb and index finger folding direction
Arc-shaped guide plate, and arc-shaped guide plate be in along extending direction extend and it is corresponding with thumb the palm backwards facies palmaris direction arcuate oscillating motion rail
Mark, which is adapted, forms the first arc guide surface, and arc-shaped guide plate connects through the metacarpal bone fixed block of track plates fixing seat and index finger is fixed
It connecing, guide runner is fixed on the metacarpal bone fixed block on thumb, guide runner slide-and-guide is matched on arc-shaped guide plate, and two
It is equipped with nearly section strutting assembly between a nearly section fixed block, is set between the metacarpal bone fixed block and nearly section fixed block on same finger
Flexible connector, it is characterised in that: the arc-shaped guide plate is equipped with guidance guide runner edge and corresponding finger flex side
The second adaptable guide rail of thumb swinging track, the second guide rail have and the first arcuate guide when upward tiger's jaw folding
The adaptable extension in face track.
During the utility model fully considers hand tiger's jaw opening and closing movement, physiology track in thumb three-dimensional space is
It is Z axis convenient for the vertical palm back-facies palmaris direction of narration order, it is X-axis, vertical Z axis, X that vertical Z axis and corresponding tiger's jaw, which open and close direction,
Axis is Y-axis, and under the design of above-mentioned physiology guide-rail plate, the extending direction of arc-shaped guide plate realizes X-axis guiding, the first arcuate guide
Z axis guiding is realized in face, and the second guide rail realizes Y-axis guiding, and cooperate common realize in three-dimensional space X-axis, Y-axis, Z axis
On guiding role, fully consider tiger's jaw folding physiology track, it is abundant to have the advantages that tiger's jaw stretches.
Preferably, second guide rail is the track groove being opened on the first arc guide surface, and arc-shaped guide plate is
There are two the flat plate bodys of the first arc guide surface positioned opposite for tool, on two the first arc guide surfaces of arc-shaped guide plate
It is equipped with the track groove, two track groove locations are corresponding, and the guide runner is equipped with the pilot hole passed through for arc-shaped guide plate,
The guidance ball with track groove corresponding matching is equipped on the two sidewalls up and down of pilot hole, guidance ball guiding is matched with track groove
Interior, the arc-shaped guide plate is located between the guidance ball of two sides in the pilot hole of guide runner, the arc-shaped guide plate
The pilot hole clearance fit of width direction two sides and guide runner.Under structure design, arc-shaped guide plate uses flat plate body
In the pilot hole for designing and being installed on guide runner, the second guide rail is the first arc guide surface that arc-shaped guide plate is arranged in
Get on the right track slot, and is clamped and be oriented to cooperation using ball, has both realized arc-shaped guide plate and has led to guide runner three-dimensional space
To, while having the advantages that smooth running is reliable, it is simple and compact for structure.
Preferably, the guidance ball engagement has ball base, and ball base is equipped with the ball-and-socket for guidance ball installation, ball-and-socket
The 1/2 spherical crown height and position that oral area crosses guidance ball, which is formed, is limited in guidance ball in ball-and-socket, and guidance ball protrudes ball-and-socket
Oral area, ball-and-socket oral area have annular stop ring side, and small particle bearing steel ball is equipped in ball-and-socket, guides ball bearing in granule
Diameter supports steel ball, and ball-and-socket oral area is equipped with sealed nylon pressing ring, and sealed nylon pressing ring inner hole is corresponding in ball-and-socket mouth with guidance ball
The sphere hole of the one circle spherical surface adaptation in portion, sealed nylon pressing ring are axially located in the limit of small particle bearing steel ball and ball-and-socket oral area
Between ring side, mounting base is also arranged with outside the ball base, mounting base is equipped with installation vestibule, installs the axial top ports of vestibule
Equipped with interior limit flange, the axial bottom end activity mat for installing vestibule is equipped with gasket, and it is intracavitary that ball base is mounted on mounting hole, ball base
Axial one end limits intracavitary in mounting hole through interior limit turnover panel, and precompressed is equipped between ball base bottom and the intracavitary gasket of mounting hole
Spring, the axial bottom end for installing vestibule have the port that exposes for gasket, and the guide runner for mounting base equipped with installing
Location hole, guidance ball stretch out location hole and with track groove corresponding matching, positioning hole screw thread is installed with top pressure screw, presses spiral shell
Nail presses on gasket.Under structure design, convenient for guiding the installation of ball, guidance ball, ball base, mounting base, nylon are close
Envelope pressing ring and pre-compressed spring form whole accessory, after be fixed through top pressure screw, have the advantages that disassembling, assembling and replacing is convenient, together
When convenient for arc-shaped guide plate and guide runner dismounting.
It preferably, further include having palmrest, palmrest includes the supporting plate that wrist is held in positioning, and supporting plate includes being fixed on arm
The fixed support of the rear palma of arm support solid plate and support handguard portion rear palma, the fixed support of rear palma are fixedly connected with arm support solid plate,
The fixed support side of rear palma has the resigning breach exposed for thumb metacarpal corresponding part, and the fixed support of rear palma, which has, to be extended laterally
To the index finger joint support watch box of corresponding index finger location, 25 ° ~ 45 ° angle arrangements are presented in arm support solid plate and the fixed support of rear palma,
The arc-shaped guide plate is fixedly connected on the palm relative to the dismountable mode of the other end for being fixedly connected with one end with nearly section fixed block
In support, the fixed support of the rear palma of palmrest is extended with and is formed to hold to fix on palm metacarpus with the preceding metacarpus of finger junction and holds in the palm.
Under structure design, palmrest, which is realized, protects the supporting bracket of hand, and resigning breach realizes that tiger's jaw opens big process middle finger and freely acts,
When tiger's jaw opens big trained, hand can be put on platform and be operated, palmrest realizes support shield, and hand is realized at wrist and is inclined
Oblique certain angle is raised, and is supported to arc-shaped guide plate, improves the overall stability for opening big device, while tiger's jaw being facilitated to open
Big operation, facilitates rehabilitation training.
Preferably, the plate body between the fixed support of the rear palma and the fixed support of preceding metacarpus forms corresponding palm centre of the palm recess
Ventilative hollow hole.Under structure design, elastic arch sheet has protective action, while having permeation functions.
Preferably, the fixed support of the preceding metacarpus is equipped with the fixation bandage in fixed middle finger minor details.Under structure design, the palm
Support and palm fixation are reliable.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is that the utility model specific embodiment hand tiger's jaw opens big device structural schematic diagram；
Fig. 2 is the utility model specific embodiment arc-shaped guide plate structural schematic diagram；
Fig. 3 is that the utility model specific embodiment guides ball and guide runner fit structure schematic diagram；
Fig. 4 is the utility model specific embodiment palm rest structure schematic diagram (bandage omission).
Specific embodiment
Referring to attached drawing 1 ~ 4, a kind of hand tiger's jaw disclosed by the utility model opens big device, including two respectively correspond and are fixed on
Metacarpal bone fixed block 1,2 on the metacarpal bone of thumb and index finger and two respectively correspond be fixed on thumb and index finger nearly section refer on
Nearly section fixed block 3,4, metacarpal bone strutting assembly 5 and physiology guide-rail plate, the physiology are equipped between two metacarpal bone fixed blocks 1,2
Guide-rail plate includes the arc-shaped guide plate 6 extended along thumb and index finger folding direction, and arc-shaped guide plate 6 is in prolong along extending direction
It stretches and in the palm backwards to facies palmaris direction arc swinging track be adapted corresponding with thumb forms the first arc guide surface 61, arcuate guide
Plate 6 is removably fixedly connected by the way of screw locking through track plates fixing seat 51 with the metacarpal bone fixed block 2 of index finger, thumb
On metacarpal bone fixed block 2 on be fixed with guide runner 52,52 slide-and-guide of guide runner is matched on arc-shaped guide plate 6, two
Nearly section strutting assembly 7 is equipped between a nearly section fixed block 3,4, the metacarpal bone fixed block 1,2 and nearly section on same finger are fixed
Between block 3,4 be equipped with flexible connecting member, the arc-shaped guide plate 6 be equipped with guidance guide runner 52 along with corresponding finger flex
The second adaptable guide rail of thumb swinging track when tiger's jaw opens and closes on direction, the second guide rail has leads with the first arc
The extension being adapted to 61 track of face.
Preferably, second guide rail is the track groove 62 being opened on the first arc guide surface 61, arcuate guide
Plate 6 is that there are two the flat plate bodys of the first arc guide surface 61 positioned opposite for tool, in two the first arcs of arc-shaped guide plate 6
The track groove 62 is equipped on guide surface 61, two 62 positions of track groove are corresponding, and the guide runner 52 is equipped with and leads for arc
The pilot hole 521 passed through to plate 6 is equipped with the guidance with 62 corresponding matching of track groove on the two sidewalls up and down of pilot hole 521 and rolls
Pearl 63, the guidance guiding of ball 63 are matched in track groove 62, and the arc-shaped guide plate 6 is located in the pilot hole of guide runner 52
In 521 between the guidance ball 63 of two sides, the width direction two sides of the arc-shaped guide plate 6 and the pilot hole of guide runner 52
521 clearance fits.Under structure design, arc-shaped guide plate is designed using flat plate body and is installed on the pilot hole of guide runner
Interior, the second guide rail is the first arc guide surface upper rail slot that arc-shaped guide plate is arranged in, and is clamped using ball
Cooperate with guiding, had both realized arc-shaped guide plate and guide runner three-dimensional space is oriented to, while having had smooth running reliably excellent
Point, it is simple and compact for structure.The guidance ball 63 is combined with ball base 64, and ball base 64 is equipped with for the guidance installation of ball 63
Ball-and-socket 640, the 1/2 spherical crown height and position that 640 oral area of ball-and-socket crosses guidance ball, which is formed, is limited in ball-and-socket 640 for guidance ball 63
Interior, guidance ball 63 protrudes 640 oral area of ball-and-socket, and 640 oral area of ball-and-socket has annular stop ring side 641, is equipped in ball-and-socket 640
Small particle supports steel ball 65, and guidance ball 63 is supported on small particle bearing steel ball 65, and 640 oral area of ball-and-socket is equipped with sealed nylon pressing ring
66,66 inner hole of sealed nylon pressing ring is the sphere hole of the circle spherical surface adaptation in 640 oral area of ball-and-socket corresponding with guidance ball 63
660, sealed nylon pressing ring 66 is axial to be located between small particle bearing steel ball 65 and the stop collar side 641 of 640 oral area of ball-and-socket.Institute
It states and is also arranged with mounting base 67 outside ball base 64, mounting base 67 is equipped with installation vestibule 670, installs the axial top of vestibule 670
Mouth is equipped with interior limit flange 671, and the axial bottom end activity mat of installation vestibule 670 is equipped with gasket 68, and ball base 64 is movably arranged on
It installs in vestibule 670, the axial one end of ball base 64 limits in installation vestibule 670 through interior limit turnover panel 671,64 bottom of ball base
Pre-compressed spring 69 is equipped between the gasket 68 in installation vestibule 670, the axial bottom end of installation vestibule 640 has reveals for gasket 68
Port out, the guide runner 52 are equipped with location hole install for mounting base 67, guidance ball 63 stretching location hole and with
62 corresponding matching of track groove, positioning hole screw thread are installed with top pressure screw 522, and top pressure screw 522 presses on gasket 68.It is above-mentioned
Under setting, guidance ball engagement ball base, mounting base form independent accessory, and when installation, top pressure screw presses gasket, pre-compressed spring
It is compressed, guarantees that the guidance reliable elasticity of ball is pressed in track groove, guaranteed that guidance ball and track groove cooperation are reliable, there is peace
Dress replaces convenient advantage.Meanwhile top pressure screw is unscrewed, since there are pre-compressed springs, guides ball can be compressed and exit track
Slot, convenient for the dismounting of arc-shaped guide plate and guide runner.Above-mentioned guidance ball is supported using small particle steel ball, is had and is rolled
Flexible advantage.
It preferably, further include having palmrest 8, palmrest 8 includes the supporting plate 81 that wrist is held in positioning, and supporting plate 81 includes being fixed on hand
The fixed support 812 of rear palma of arm support solid plate 811 and support handguard portion rear palma on arm, arm support solid plate 811, which can be used, ties up
The form of band is fixed on arm, and the fixed support 812 of rear palma is fixedly connected with arm support solid plate 811, the fixed support 812 1 of rear palma
Side has the resigning breach 813 exposed for thumb metacarpal corresponding part, and the fixed support 812 of rear palma, which has, extends laterally to corresponding food
Refer to the index finger joint support watch box 814 of position, it is 25 ° ~ 45 ° that angle α, which is presented, in arm support solid plate 811 and the fixed support 812 of rear palma
Arrangement, the arc-shaped guide plate 6 is relative to the fixed company of the dismountable mode of the other end for being fixedly connected with one end with nearly section fixed block 2
It is connected on palmrest 8, is fixedly connected using fixed plate 83, the fixed support 812 of the rear palma of palmrest 8, which is extended with and is formed, holds hand
It slaps on metacarpus and fixes support 815 with the preceding metacarpus of finger junction.The fixed support 815 of preceding metacarpus and index finger joint support watch box 814 connect
It is connected into one, that is, can be regarded as the fixed support 815 of metacarpus and extend laterally to form index finger joint support watch box 814.Under structure design,
Palmrest, which is realized, protects the supporting bracket of hand, and resigning breach realizes that tiger's jaw opens big process middle finger and freely acts, and opens big instruction in tiger's jaw
When practicing, hand can be put on platform and be operated, palmrest realizes support shield, and hand realized at wrist and is tilted a certain angle
It raises, and the both ends of arc-shaped guide plate is supported, improve the overall stability for opening big device, while tiger's jaw being facilitated to open big behaviour
Make, facilitates rehabilitation training.Certainly, the fixed support of preceding metacarpus with closely save fixed block at being also removably fixedly connected
Plate body 816 between the fixed support 812 of the rear palma and the fixed support 815 of preceding metacarpus forms corresponding palm centre of the palm recess
Ventilative hollow hole 8160.Under structure design, there are permeation functions.
Preferably, the fixed support 815 of the preceding metacarpus is equipped with the fixation bandage 8151 in fixed middle finger minor details.The structure is set
Under meter, palmrest and palm fixation are reliable.
In this specific embodiment, the metacarpal bone strutting assembly 5 includes that the metacarpal bone with hollow lumen struts casing 54 and the palm
Bone struts screw rod 55, and one end that metacarpal bone struts casing 54 is fixedly connected in track plates fixing seat 51 through universal ball joint, metacarpal bone
The other end locating rotation for strutting casing 54 is combined with metacarpal bone and struts nut 57, and metacarpal bone, which struts 54 pipes of set and is radially provided with metacarpal bone, to be strutted
Screw rod locking radial screw 58, one end that metacarpal bone struts screw rod locking radial screw 58 can screw in back-out metacarpal bone and strut casing 54
Hollow lumen simultaneously struts 55 locking and unlocking of screw rod to metacarpal bone, and the metacarpal bone struts screw rod 55 and metacarpal bone struts the lumen of casing 54
Expansion fit, the metacarpal bone, which struts screw rod 55 and struts nut 57 with metacarpal bone, to be threadedly engaged, metacarpal bone strut screw rod 55 relative to the palm
Bone struts casing 54 and the other end of one end is cooperated to be fixedly connected on guide runner 52 through universal ball joint, close to save strutting assembly 7
Including closely save strut casing 71, nearly section struts screw rod 72, nearly section struts screw rod locking radial screw 73 and nearly section struts nut
74, nearly section struts screw rod 72 and nearly section strut casing 71 be respectively fixedly connected with through universal ball joint it is close on thumb and index finger
It saves on fixed block 3,4, nearly section strutting assembly is identical as metacarpal bone strutting assembly structure, therefore the phase interworking of closely section strutting assembly each section
Conjunction relationship repeats no more, adjust operation when, release metacarpal bone strut screw rod locking radial screw to metacarpal bone strut screw lock and
It releases nearly section and struts screw rod locking radial screw and screw lock strutted to nearly section, rotation adjusts that metacarpal bone struts nut and nearly section struts
Nut realizes that tiger's jaw opens greatly to realize that metacarpal bone struts screw rod and nearly section struts screw rod and stretches.The flexible connecting member includes bullet
Property bar 81 and flexible strand 82(illustrated using dotted line), elastic rod 81 and flexible strand all have elasticity, realize that elastic connection metacarpal bone is solid
Determine block and nearly section fixed block, elastic rod plays the role of certain rigid connection.Wherein metacarpal bone fixed block and nearly section fixed block and hand
The connection in portion is the ordinary skill in the art, therefore is repeated no more to its structure.
During the utility model fully considers hand tiger's jaw opening and closing movement, changes traditional tiger's jaw and open big reality as two dimension
Steric direction meets the physiology track in thumb three-dimensional space, is Z axis to enable vertical palm back-facies palmaris direction convenient for narration, hangs down
It is X-axis that straight Z axis and corresponding tiger's jaw, which open and close direction, and vertical Z axis, X-axis are Y-axis, under the design of above-mentioned physiology guide-rail plate, arc
The extending direction of guide plate realizes X-axis guiding, and the first arc guide surface realizes Z axis guiding, and the second guide rail realizes that Y-axis is led
To cooperate guiding role of the common realization on three-dimensional space X-axis, Y-axis, Z axis, fully considers the physiology of tiger's jaw folding
It is abundant to have the advantages that tiger's jaw stretches for track.The utility model further adds palm rest structure, formed reliable support shield and
Fixed function while improving patient and opening the comfort in big operating process in tiger's jaw so that tiger's jaw opens and trains greatly more convenient.
Claims (6)
1. a kind of hand tiger's jaw opens big device, the metacarpal bone being fixed on the metacarpal bone of thumb and index finger is respectively corresponded including two and is fixed
Block and two respectively correspond be fixed on thumb and index finger nearly section refer on nearly section fixed block, between two metacarpal bone fixed blocks
Equipped with metacarpal bone strutting assembly and physiology guide-rail plate, the physiology guide-rail plate includes extending along thumb and index finger folding direction
Arc-shaped guide plate, and arc-shaped guide plate be in along extending direction extend and it is corresponding with thumb the palm backwards facies palmaris direction arcuate oscillating motion rail
Mark, which is adapted, forms the first arc guide surface, and arc-shaped guide plate connects through the metacarpal bone fixed block of track plates fixing seat and index finger is fixed
It connecing, guide runner is fixed on the metacarpal bone fixed block on thumb, guide runner slide-and-guide is matched on arc-shaped guide plate, and two
It is equipped with nearly section strutting assembly between a nearly section fixed block, is set between the metacarpal bone fixed block and nearly section fixed block on same finger
Flexible connector, it is characterised in that: the arc-shaped guide plate is equipped with guidance guide runner edge and corresponding finger flex side
The second adaptable guide rail of thumb swinging track, the second guide rail have and the first arcuate guide when upward tiger's jaw folding
The adaptable extension in face track.
2. hand tiger's jaw opens big device according to claim 1, it is characterised in that: second guide rail is to be opened in first
Track groove on arc guide surface, arc-shaped guide plate are the flat plate body having there are two the first arc guide surface positioned opposite,
The track groove is equipped on two the first arc guide surfaces of arc-shaped guide plate, two track groove locations are corresponding, described to lead
It is equipped with the pilot hole passed through for arc-shaped guide plate to sliding block, is equipped with and track groove corresponding matching on the two sidewalls up and down of pilot hole
Guidance ball, guidance ball guiding is matched in track groove, the arc-shaped guide plate is located in the pilot hole of guide runner
Between the guidance ball of two sides, the width direction two sides of the arc-shaped guide plate and the pilot hole clearance fit of guide runner.
3. hand tiger's jaw opens big device according to claim 2, it is characterised in that: the guidance ball engagement has ball base, rolling
Pearl seat is equipped with the ball-and-socket for guidance ball installation, and the 1/2 spherical crown height and position formation that ball-and-socket oral area crosses guidance ball will draw
Guide roll pearl is limited in ball-and-socket, and guidance ball protrudes ball-and-socket oral area, and ball-and-socket oral area has annular stop ring side, is laid in ball-and-socket
There is small particle to support steel ball, guidance ball bearing supports steel ball in small particle, and ball-and-socket oral area is equipped with sealed nylon pressing ring, and nylon is close
The sphere hole that pressing ring inner hole is the circle spherical surface adaptation in ball-and-socket oral area corresponding with guidance ball is sealed, sealed nylon pressing ring axially presss from both sides
It is supported between steel ball and the stop collar side of ball-and-socket oral area set on small particle, mounting base, mounting base is also arranged with outside the ball base
It is equipped with installation vestibule, the axial top ports for installing vestibule are equipped with interior limit flange, and the axial bottom end activity mat for installing vestibule is set
There is a gasket, ball base is mounted on that mounting hole is intracavitary, and ball base axial direction one end limits in mounting hole intracavitary, ball through interior limit turnover panel
Pre-compressed spring is equipped between seat bottom and the intracavitary gasket of mounting hole, the axial bottom end for installing vestibule has to be led to for what gasket exposed
Mouthful, the guide runner is equipped with location hole install for mounting base, and guidance ball stretching location hole simultaneously corresponding with track groove is matched
It closes, positioning hole screw thread is installed with top pressure screw, and top pressure screw presses on gasket.
4. the according to claim 1 or 2 or 3 hand tiger's jaws open big device, it is characterised in that: further include having palmrest, palmrest includes
The supporting plate of wrist is held in positioning, and supporting plate includes the arm support solid plate being fixed on arm and the rear palma for holding in the palm handguard portion rear palma
Fixed support, the fixed support of rear palma are fixedly connected with arm support solid plate, and the fixed support side of rear palma, which has, corresponds to portion for thumb metacarpal
Divide the resigning breach exposed, the fixed support of rear palma has the index finger joint support watch box for extending laterally to corresponding index finger location, arm
Portion holds in the palm solid plate and 25 ° ~ 45 ° angle arrangements are presented in the fixed support of rear palma, and the arc-shaped guide plate is relative to solid with nearly section fixed block
Surely the dismountable mode of the other end for connecting one end is fixedly connected on palmrest, and the fixed support of the rear palma of palmrest is extended with and is formed
It holds to fix on palm metacarpus with the preceding metacarpus of finger junction and hold in the palm.
5. hand tiger's jaw opens big device according to claim 4, it is characterised in that: the fixed support of the rear palma and preceding metacarpus are fixed
Plate body between support forms the ventilative hollow hole of corresponding palm centre of the palm recess.
6. hand tiger's jaw opens big device according to claim 4, it is characterised in that: the fixed support of preceding metacarpus is equipped in fixed
Refer to the fixation bandage in minor details.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720947115.0U CN208355716U (en) | 2017-07-31 | 2017-07-31 | Hand tiger's jaw opens big device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947115.0U CN208355716U (en) | 2017-07-31 | 2017-07-31 | Hand tiger's jaw opens big device |
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| CN208355716U true CN208355716U (en) | 2019-01-11 |
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| CN201720947115.0U Expired - Fee Related CN208355716U (en) | 2017-07-31 | 2017-07-31 | Hand tiger's jaw opens big device |
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| CN (1) | CN208355716U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569360A (en) * | 2017-07-31 | 2018-01-12 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Hand tiger's jaw drives big device |
| CN110693637A (en) * | 2019-10-14 | 2020-01-17 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Respiratory visual scoliosis correction device |
| CN112089481A (en) * | 2020-08-18 | 2020-12-18 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Automatic guiding device for CT puncture needle |
-
2017
- 2017-07-31 CN CN201720947115.0U patent/CN208355716U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569360A (en) * | 2017-07-31 | 2018-01-12 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Hand tiger's jaw drives big device |
| CN107569360B (en) * | 2017-07-31 | 2024-06-07 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Hand tiger mouth opener |
| CN110693637A (en) * | 2019-10-14 | 2020-01-17 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Respiratory visual scoliosis correction device |
| CN110693637B (en) * | 2019-10-14 | 2021-09-03 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Respiratory visual scoliosis correction device |
| CN112089481A (en) * | 2020-08-18 | 2020-12-18 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Automatic guiding device for CT puncture needle |
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