CN108420662A - A kind of medical adjustable speed optical fiber automatic returning device - Google Patents
A kind of medical adjustable speed optical fiber automatic returning device Download PDFInfo
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- CN108420662A CN108420662A CN201810333667.1A CN201810333667A CN108420662A CN 108420662 A CN108420662 A CN 108420662A CN 201810333667 A CN201810333667 A CN 201810333667A CN 108420662 A CN108420662 A CN 108420662A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 90
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000036316 preload Effects 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 210000003423 ankle Anatomy 0.000 claims description 3
- 244000309466 calf Species 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 210000002414 leg Anatomy 0.000 description 27
- 210000003414 extremity Anatomy 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001225 therapeutic effect Effects 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000007631 vascular surgery Methods 0.000 description 3
- 206010046996 Varicose vein Diseases 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002647 laser therapy Methods 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 210000003752 saphenous vein Anatomy 0.000 description 2
- 208000027185 varicose disease Diseases 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 208000001297 phlebitis Diseases 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000002027 skeletal muscle Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 210000003556 vascular endothelial cell Anatomy 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/1245—Knees, upper or lower legs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00404—Blood vessels other than those in or around the heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B2018/2005—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser with beam delivery through an interstitially insertable device, e.g. needle
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Otolaryngology (AREA)
- Electromagnetism (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention belongs to technical field of medical auxiliary equipment, disclose a kind of medical adjustable speed optical fiber automatic returning device, are provided with leg support tool；The both sides the leg Tuo Ju offer locating slot；The sides the leg Tuo Ju are provided with the optical fiber that positioning pin is connected in locating slot and withdraw box；The optical fiber, which is withdrawn, to be offered threading hole and bolt on the left of box and has pre-loading screw, the optical fiber withdraws and is fixed with pulley by pulley locating shaft inside box, it is mounted with spring in the middle part of the pulley, the spring is fixed on by fixed block on pre-loading screw, the pulley other end is clamped with V-arrangement idler wheel, the bottom ends the leg Tuo Ju are welded with rectangular tube, and are connected in the rectangular tube above pedestal, and junction bolt has preload knob.The present invention can not only be accurately positioned limb elevation angle, accurately control optical fiber and withdraw speed, and can save manpower, reduce operating difficulty, improve surgical effect.
Description
Technical field
The invention belongs to technical field of medical auxiliary equipment more particularly to a kind of medical adjustable speed optical fiber automatic returning dresses
It sets.
Background technology
Currently, the prior art commonly used in the trade is such：
Currently, in the operation of vascular surgery laser therapy varix of lower limb, conventional way is the trouble of general anesthesia
Person lies in therapeutic bed, doctor with hand by after 30 ° of limb elevation, it is slow with the speed of 0.5cm/s to 2.0cm/s by operative doctor
The laser fiber for having been enter into patient's great saphenous vein is withdrawn, great saphenous vein is closed using the heat of laser.But due to not accurate
Measuring instrument, the angle of doctor's hand lifting affected limb often has a long way to go with 30 °, while the speed for withdrawing optical fiber also can not essence
Really hold.Furthermore cumbersome manual operation increases the difficulty of operation, wastes the muscle power of operative doctor, finally affects operation and answers
Some therapeutic effects.And it there is no the device of auxiliary lift leg and automatic returning optical fiber at present.
Since vascular surgery is an emerging subject in recent ten years, the quality and quantity of Vascular surgeons in China
Culture it is also far from enough, how to reduce operating difficulty, shorten learning curve, more Vascular surgeons is made to train conjunction early
The problem of patient is our urgent need to resolve is benefited after lattice.And vascular surgery laser therapy varix of lower limb China be one compared with
New technology, many related mating instruments and equipment there are no perfect, existing technology be too dependent on the experience of doctor with
And manual operation, it has the following disadvantages：
(1) limb elevation angle can not be accurately held, angle too small can cause venous blood emptying unsmooth, increase postoperative thrombus
Property superficial phlebitis incidence, increase patient suffering, be unfavorable for patient's post-operative recovery.Angle crosses conference and venous blood is caused excessively to arrange
Sky, not enough hemoglobin absorption laser energies can not effectively destroy vascular endothelial cell, are closed blood vessel, influence to perform the operation
Therapeutic effect；
(2) optical fiber withdraws speed and can not accurately hold, too fast or withdrawing optical fiber slowly excessively can cause energy to spread in the blood vessel
Uneven, local energy is too low to cause vessel sealing to fail, and local energy is excessively high to lead to blood vessel carbonization rupture, cause bleeding
And subcutaneous extvavasated blood, influence surgical result；
(3) optical fiber needs sustained elevation suffering limb during withdrawing, and easily causes doctor tired, and waste doctor's muscle power influences
Surgical result.
In conclusion problem of the existing technology is：
(1) limb elevation angle can not accurately be held；
(2) optical fiber withdraws speed and can not accurately hold；
(3) time-consuming and laborious, influence surgical result.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of medical adjustable speed optical fiber automatic returning devices.
The invention is realized in this way a kind of medical adjustable speed optical fiber automatic returning device includes driving unit, speed governing list
Member, optical fiber pre-tighten gear unit and support unit,
Driving unit, speed adjustment unit, optical fiber preload gear unit are integrated in optical fiber and withdraw in box main body jointly；
Optical fiber withdraws box main body upper end and offers multiple circular holes and multiple round boss tight fit on upper lid, constitutes envelope
Close square cavity, built-in driving unit and speed adjustment unit；
Optical fiber withdraws box main body lower end and offers multiple circular holes and multiple round boss tight fit on lower lid, constitutes half
Square cavity is closed, built-in fiber pre-tightens gear unit；
Optical fiber is withdrawn on the locating slot that box main body is fixed on by locating shaft on the support tool of support unit leg, is opened on locating shaft
There are a square groove, groove to be matched with the square boss on locating slot, so that light is withdrawn box and form 30 ° of inclination angles with horizontal plane,
The rectangular tube of the leg lower ends Tuo Ju of support unit and pedestal top rectangular tube clearance fit, it is solid by the preload knob on pedestal
It is fixed.
Driving unit includes：Minisize dc servo motor, battery, motor cabinet, minisize dc servo motor are uprightly mounted on
On the motor cabinet of upper cover, minisize dc servo motor is sealed in optical fiber and withdraws the rectangular closed cavity that box main body is constituted with upper cover
Interior, motor shaft withdraws the circular hole of box main body intermediate bulkhead across optical fiber, and output torque driving optical fiber withdraws device；Minisize dc is watched
It takes and an evagination V-arrangement idler wheel is housed on the motor shaft of motor, idler wheel edge is the cylindrical surfaces 1mm wide.Evagination V-arrangement idler wheel is as actively
Wheel, under the drive of minisize dc servo motor, with the recessed V-arrangement idler wheel cooperatings of Inner as driven wheel.
Speed adjustment unit includes：Speed governing knob, liquid crystal display, battery, governor circuit；
Speed governing knob, liquid crystal display are fixedly mounted on exterior surface, and battery, governor circuit are fixedly mounted on upper cover
Inner surface.Governor electric routing battery is powered, operating voltage 4.5V-35V, peak power output 90W, logical using PWM technologies
Toning whole pulse waveform duty cycle adjusts minisize dc servo motor armature voltage, to regulation motor rotating speed；Speed governing knob energy
Change governor output duty cycle, realizes rotational speed regulation of the minisize dc servo motor 14 within the scope of 0-100%；Liquid crystal display
Evagination V-arrangement idler wheel edge linear velocity real-time display on minisize dc servo motor can be shown that optical fiber withdraws speed indirectly by screen.
Optical fiber pre-tightens gear unit：Pre-loading screw, fixed block, spring, pulley, pulley locating shaft；
Pulley is mounted on through the circular hole on pulley support bar on pulley locating shaft, can be surrounded pulley locating shaft and be rotated, pulley
On the recessed V-arrangement idler wheels of Inner be bonded to each other with the evagination V-arrangement idler wheel on minisize dc servo motor motor shaft, by optical fiber place two rolling
Fibre movement is driven by the frictional force of idler wheel and optical fiber surface between wheel；
Pulley support bar is connected to by connected spring on fixed block, and it is long that fixed block can withdraw box main body side in optical fiber
It slides on square groove, is fixed by pre-loading screw.By adjusting the length of the position change spring of fixed block, to adjustment spring
Pretightning force, and then change normal pressure of the pulley to optical fiber, that is, change the frictional force that idler wheel acts on optical fiber surface.
Support unit includes：Leg support tool pre-tightens knob, pedestal；
The leg lower parts Tuo Ju are rectangular tube, and the rectangular tube clearance fit with pedestal top can translate fortune in vertical direction
It is dynamic, knob is pre-tightened by the hexagon of pedestal upper side and is fixed on the base；The leg tops Tuo Ju are to adapt to human calf's shape
The open arc semicircular cylinder of shape, semicircular cylinder lower part from bottom to top gradually arc envelope formula restrain, semicircular cylinder top arc it is micro- to
Lower convergence to adapt to patient's ankle, the contour structures at heel string；
For leg support tool horizontal by 30 ° of angles, the circle that the leg both sides Tuo Ju are symmetrically provided with built-in rectangle boss is fixed
Position slot, locating slot withdraw the monosymmetric locating shaft of box with optical fiber and match, and realize the fixation that box is withdrawn to optical fiber.Leg support tool
The rectangular tube of lower part is located on the support tool axis of symmetry, and is biased to leg support side, pressure caused by making patient legs' gravity by
Gastrocnemius muscle group bears on the downside of shank, causes local organization and nerve to press harder against to avoid operating time is long, on pedestal
The rectangular tube in portion is located on the base plate length direction axis of symmetry, and is biased to ankle side, makes patient legs' center of gravity to level
Face projection is fallen in base plate rectangular region, avoids patient legs from placing shakiness and support unit is caused to topple, leg support tool
Symmetrical expression design facilitates patient's both legs during surgery to the different demands of spatial position.
Further, it is 120mm × 60mm × 54mm that optical fiber, which withdraws box main body size, and adjustable speed optical fiber automatic returning device is whole
Body size is 367mm × 300mm × 180mm.
In conclusion advantages of the present invention and good effect are：
It is provided with leg support tool, and is in 30 ° of angles with horizontal line, suffering limb need to be only placed on the support tool of leg, so that it may accurate
Limb elevation angle is positioned, by pre-tightening knob, facilitates the height for adjusting leg support tool；Box is withdrawn by optical fiber, it can be accurate
Control optical fiber withdraws speed, and time saving and energy saving；The present invention can bring great convenience for medical worker, while can reduce operation
Difficulty improves surgical effect.
Description of the drawings
Fig. 1 is medical adjustable speed optical fiber automatic returning apparatus structure schematic diagram provided in an embodiment of the present invention；
Fig. 2 is that medical adjustable speed optical fiber automatic returning device optical fiber provided in an embodiment of the present invention withdraws box structural representation
Figure；
Fig. 3 is that medical adjustable speed optical fiber automatic returning device optical fiber provided in an embodiment of the present invention withdraws box internal structure and shows
It is intended to；
Fig. 4 is medical adjustable speed optical fiber automatic returning device pulley structure schematic diagram provided in an embodiment of the present invention；
Fig. 5 is that medical adjustable speed optical fiber automatic returning device optical fiber provided in an embodiment of the present invention withdraws box cover internal junction
Structure schematic diagram；
Fig. 6 is support lamps structure schematic diagram in medical adjustable speed optical fiber automatic returning device leg provided in an embodiment of the present invention；
In figure：1, leg support tool；2, it switchs；3, speed governing knob；4, upper cover；5, liquid crystal display；6, locating shaft；7, optical fiber
Withdraw box main body；8, lower cover；9, knob is pre-tightened；10, pedestal；11, pre-loading screw；12, fixed block；13, spring；14, miniature straight
Flow servo motor；15, pulley；16, pulley locating shaft；17, V-arrangement idler wheel；18, shaft；19, bearing；20, pulley support bar；21、
Battery；22, motor cabinet；23, governor circuit；24, locating slot；25, threading hole.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows.
As shown in figs 1 to 6, medical adjustable speed optical fiber automatic returning device provided in an embodiment of the present invention includes：It holds in the palm leg
Tool 1, switch 2, speed governing button 3, upper cover 4, liquid crystal display 5, locating shaft 6, optical fiber withdraw box main body 7, lower cover 8, pre-tighten knob
9, pedestal 10, pre-loading screw 11, fixed block 12, spring 13, minisize dc servo motor 14, pulley 15, pulley locating shaft 16, V
Shape idler wheel 17, bearing 19, pulley support bar 20, battery 21, motor cabinet 22, governor circuit 23, locating slot 24, is worn at shaft 18
String holes 25.
Medical adjustable speed optical fiber automatic returning device provided in an embodiment of the present invention includes driving unit, speed governing list
Member, optical fiber pre-tighten gear unit and support unit.Driving unit, speed adjustment unit, optical fiber pre-tighten gear unit and are integrated in jointly
Optical fiber is withdrawn in box main body 7.Optical fiber withdraws 4 circular holes on 7 top of box main body and 4 round boss in upper cover 4 are fitted close,
Constitute closing square cavity, built-in driving unit and speed adjustment unit.Optical fiber is withdrawn on 4 circular holes and the lower cover 8 of 7 lower part of box main body
4 round boss be fitted close, constitute semiclosed square cavity, built-in fiber clamping unit.Entire optical fiber withdraws box and passes through
Locating shaft 6 be fixed on support unit leg support tool 1 on locating slot 24 on, a square groove is provided on locating shaft 6, the groove with
Square boss on locating slot 24 matches, and so that optical fiber is withdrawn box and forms 30 ° of inclination angles with horizontal plane.The leg support tool of support unit
The rectangular tube of 1 lower end and 10 top rectangular tube clearance fit of pedestal, are fixed by the preload knob 9 on pedestal 10.
As a preferred embodiment, leg support tool 1 is made of polyester fiber, and pedestal 10 is with preload knob 9 by stainless steel alloy
It is made, whole height 367mm, pedestal a length of 300mm, width 180mm.
As a preferred embodiment, optical fiber withdraws 7 entirety of box main body and is made of polyester fiber, and there are locating shaft 6, box body in both sides
A length of 120mm, width 60mm, a height of 54mm.
In use, placing this invention into therapeutic bed, ensure suffering limb shank being tightly attached to by adjusting preload knob 9 described
On leg support tool 1, optical fiber is withdrawn into box main body 7 and is removed, lower cover 8 is opened, optical fiber is withdrawn to the both sides of box main body 7 across optical fiber
Between threading hole 25 and V-arrangement idler wheel 17 and pulley 15, by adjusting the pretightning force of the position adjustment spring 13 of pre-loading screw 10, make
Optical fiber is obtained to be clamped by V-arrangement idler wheel 17 and pulley 15.Lower cover 8 then is covered, optical fiber is withdrawn by box master for left and right leg according to suffering limb
Body 7 is fixedly mounted on by locating shaft 6 in the locating slot 24 of 1 left and right sides of leg support tool, ensures that optical fiber withdraws box main body 7 and is located at
On the inside of patient thigh.Then speed governing knob 3 is adjusted according to the rate reading on liquid crystal display 5, optical fiber is withdrawn into speed setting
For desired value of performing the operation.Lower switch 2 is then pressed, optical fiber starts automatic returning.Speed governing can be rotated during withdrawing at any time as needed
Knob 3 adjusts optical fiber and withdraws speed.After optical fiber withdraws out blood vessel completely, by lower switch 2, closing withdraws device.
The present invention realizes DC servo motor speed governing using PWM modes of speed regulation, compared to conventional pole-changing control and frequency conversion
Speed governing, PWM modes of speed regulation can realize a wide range of speed governing, and possess that speed regulation process is smooth, and speed governing responds rapid feature.
In PWM governing systems, in supply voltage UdIn the case of keeping constant, armature terminal voltage can be changed by adjusting duty ratio
Average value, to realize the speed governing to motor.Changing duty ratio has fixed frequency modulated PWM, fixed width frequency modulation, adjusts wide frequency modulation, three kinds of methods,
Since latter two method changes the period of control pulsewidth in speed governing, when the frequency of control pulse and the intrinsic frequency of system connect
It will cause to vibrate when close, so adjusting duty ratio using fixed frequency modulated PWM method, and then change DC servo-motor armature both ends
Voltage：
U0：The average value of armature terminal voltage；
Ud：Supply voltage；
αT：Duty ratio, 0≤αT≤1。
From above formula as can be seen that if the duty ratio of control motor armature both end voltage can be controlled from 0 to 1
Virtual voltage changes from 0 to being actually added to the voltage value on armature, so as to continuously adjust DC servo motor
Rotating speed.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Every any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (5)
1. a kind of medical adjustable speed optical fiber automatic returning device, which is characterized in that the medical adjustable speed optical fiber automatic returning dress
It sets and pre-tightens gear unit and support unit including driving unit, speed adjustment unit, optical fiber；
Driving unit, speed adjustment unit, optical fiber preload gear unit are integrated in optical fiber and withdraw in box main body jointly；
Optical fiber withdraws box main body upper end and offers multiple circular holes and multiple round boss tight fit on upper lid, constitutes closing side
Shape cavity, built-in driving unit and speed adjustment unit；
Optical fiber withdraws box main body lower end and offers multiple circular holes and multiple round boss tight fit on lower lid, constitutes semiclosed
Square cavity, built-in fiber pre-tighten gear unit；
Optical fiber is withdrawn on the locating slot that box main body is fixed on by locating shaft on the support tool of support unit leg, and one is provided on locating shaft
Square groove, groove are matched with the square boss on locating slot, so that light is withdrawn box and are formed 30 ° of inclination angles, support with horizontal plane
The rectangular tube of the leg lower ends Tuo Ju of unit and pedestal top rectangular tube clearance fit, are fixed by the preload knob on pedestal.
2. medical adjustable speed optical fiber automatic returning device as described in claim 1, which is characterized in that driving unit includes：It is micro-
Type DC servo motor, battery, motor cabinet, minisize dc servo motor are uprightly mounted on the motor cabinet of upper cover, minisize dc
Servo motor is sealed in optical fiber and withdraws in the rectangular closed cavity that box main body is constituted with upper cover, and motor shaft withdraws box master across optical fiber
The circular hole of body intermediate bulkhead, output torque driving optical fiber withdraw device；It is equipped with outside one on the motor shaft of minisize dc servo motor
Convex V-arrangement idler wheel, idler wheel edge are the cylindrical surfaces 1mm wide.
3. medical adjustable speed optical fiber automatic returning device as described in claim 1, which is characterized in that speed adjustment unit includes：Speed governing
Knob, liquid crystal display, battery, governor circuit；
Speed governing knob, liquid crystal display are fixedly mounted on exterior surface, and battery, governor circuit are fixedly mounted on table in upper cover
Face.
4. medical adjustable speed optical fiber automatic returning device as described in claim 1, which is characterized in that optical fiber pre-tightens gear unit packet
It includes：Pre-loading screw, fixed block, spring, pulley, pulley locating shaft；
Pulley is mounted on through the circular hole on pulley support bar on pulley locating shaft, the recessed V-arrangement idler wheels of Inner on pulley and minisize dc
Evagination V-arrangement idler wheel on servo motor motor shaft is bonded to each other, and passes through idler wheel and optical fiber surface between optical fiber is placed two idler wheels
Frictional force drive fibre movement；
Pulley support bar is connected to by connected spring on fixed block, and fixed block can withdraw box main body side rectangle in optical fiber
It slides on groove, is fixed by pre-loading screw.
5. medical adjustable speed optical fiber automatic returning device as described in claim 1, which is characterized in that support unit includes：Leg
Support tool pre-tightens knob, pedestal；
The leg lower parts Tuo Ju are rectangular tube, and the rectangular tube clearance fit with pedestal top passes through the hexagon of pedestal upper side
Knob is pre-tightened to be fixed on the base；The leg tops Tuo Ju are the open arc semicircular cylinder for adapting to human calf's shape, semicircular cylinder
Gradually arc envelope formula restrains from bottom to top for lower part, and the micro- downward convergence of semicircular cylinder top arc is to adapt to patient's ankle, at heel string
Contour structures；
For leg support tool horizontal by 30 ° of angles, the leg both sides Tuo Ju are symmetrically provided with the circular locating slot of built-in rectangle boss,
Locating slot withdraws the monosymmetric locating shaft of box with optical fiber and matches, and realizes the fixation that box is withdrawn to optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333667.1A CN108420662B (en) | 2018-04-13 | 2018-04-13 | Automatic withdrawing device of medical adjustable speed optic fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333667.1A CN108420662B (en) | 2018-04-13 | 2018-04-13 | Automatic withdrawing device of medical adjustable speed optic fibre |
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| Publication Number | Publication Date |
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| CN108420662A true CN108420662A (en) | 2018-08-21 |
| CN108420662B CN108420662B (en) | 2024-05-28 |
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| CN201810333667.1A Active CN108420662B (en) | 2018-04-13 | 2018-04-13 | Automatic withdrawing device of medical adjustable speed optic fibre |
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| CN208756441U (en) * | 2018-04-13 | 2019-04-19 | 上海交通大学医学院附属第九人民医院 | A kind of auxiliary lift leg adjustable speed medical optical fiber automatic returning device |
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