CN108095949A - A kind of postoperative head adjusting device of retina patient - Google Patents

A kind of postoperative head adjusting device of retina patient Download PDF

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Publication number
CN108095949A
CN108095949A CN201711465418.XA CN201711465418A CN108095949A CN 108095949 A CN108095949 A CN 108095949A CN 201711465418 A CN201711465418 A CN 201711465418A CN 108095949 A CN108095949 A CN 108095949A
Authority
CN
China
Prior art keywords
stepper motor
elevation angle
saddle
central siphon
adjusts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711465418.XA
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Chinese (zh)
Inventor
李娜
王永晶
黄容
陈思思
王晶晶
王珏
阮周莹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central Hospital of Wuhan
Original Assignee
Central Hospital of Wuhan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central Hospital of Wuhan filed Critical Central Hospital of Wuhan
Priority to CN201711465418.XA priority Critical patent/CN108095949A/en
Publication of CN108095949A publication Critical patent/CN108095949A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • A61G7/065Rests specially adapted therefor
    • A61G7/07Rests specially adapted therefor for the head or torso, e.g. special back-rests
    • A61G7/072Rests specially adapted therefor for the head or torso, e.g. special back-rests for the head only

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  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

The invention discloses a kind of postoperative head adjusting devices of retina patient, are equipped with saddle, elevation angle micro actuator, telescopic rod, bottom plate, stent and controller successively from the top down;Saddle is equipped with sizable face and holds in the palm mouth;Elevation angle micro actuator sets the elevation angle in horizontal central siphon and adjusts stepper motor, and the output shaft that the elevation angle adjusts stepper motor is fixedly connected by driving member with the saddle;Height is fixed in telescopic rod and adjusts stepper motor, the bottom of bottom plate is fixed with socket pipe, and the casing of socket pipe and stent, which can be set, to be highly socketed.The present invention can easily, accurately and easily stepless fine adjustment sets the height collapsed and tilt angles at any time by user oneself, realizes compact-sized, application reliability height.

Description

A kind of postoperative head adjusting device of retina patient
Technical field
The present invention relates to medical instruments, are specifically a kind of postoperative head adjusting device of retina patient.
Background technology
Retinal detachment surgery needs keep eyeground upward in three months after beating silicone oil or the corrective surgery of gas filling State, with close the break.Pillow is used only at present, lies prone adhere on pillow or using simply collapsing downwards, but pillow Head is difficult in adapt to and keeps the height and angle that need, and existing collapse equally is difficult in adapt to the patient of different heights, especially, People keeps a kind of posture uncomfortable for a long time in the sleep of long period, and interim laborious adjustment but will influence to sleep, and lie prone and sleep Hand does not have place to put and influences whether to sleep yet in the process.
The content of the invention
The technical problems to be solved by the invention are to solve the above problems, and provide a kind of postoperative head of retina patient and adjust Device makes the patient of retinal detachment surgery lie prone the height and angle for sleeping and voluntarily can easily and conveniently adjusting and collapsing, makes one kind It collapses and can be adapted for the patient of different stature states.
The postoperative head adjusting device of retina patient, it is characterised in that:It is equipped with saddle, the elevation angle successively from the top down Micro actuator, telescopic rod, bottom plate, stent and controller;
The saddle is tablet or curved slab equipped with face support mouth, and the face support mouth is 14~24cm of diameter, opening In the circular hole of saddle one side edge;
The elevation angle micro actuator includes horizontal central siphon, and the tubular that line is arranged in parallel with saddle centered on central siphon is inside equipped with The elevation angle adjusts stepper motor, and the elevation angle adjusts the output shaft of stepper motor and the center line coincidence or parallel of central siphon, and the elevation angle adjusts step The output shaft of stepper motor is fixedly connected by driving member with the saddle;
The telescopic rod be equipped with vertically arranged at least a pair of of axis and the vertical motion bar of mutually vertical nested tubular and Vertical fixing rod, vertical fixing rod are fixedly connected with bottom plate, and height is fixed in vertical fixing rod and adjusts stepper motor, vertically Motion bar is slid axially by the guide rail between vertical fixing rod, and height adjusts the output revolving shaft of stepper motor and vertical activity The madial wall of bar is connected by screw thread pair, and the top of vertical motion bar and elevation angle adjusting stepper motor or central siphon is fixedly connected;
The bottom of the bottom plate is fixed with socket pipe, and the casing of socket pipe and stent, which can be set, to be highly socketed;
The controller is equipped with button switch, and power supply is adjusted stepper motor with height by button switch and the elevation angle is adjusted Stepper motor is electrically connected, and the power supply is powered by battery or external power supply;
The drive mechanism of the elevation angle micro actuator (2) is using one of following two schemes:
A, the elevation angle is adjusted is connected between stepper motor (8) and central siphon (5) by bearing, and the elevation angle adjusts stepper motor (8) Output shaft is fixed by the inner wall of connector and central siphon (5), and the bottom surface of central siphon is equipped with connection window in face of vertical motion bar (11) (26), the top of vertical motion bar (11) adjusts stepper motor (8) with the elevation angle through connection window (26) and is fixedly connected, and connects window (26) there is 15 °~50 ° of rotational degree of freedom between vertical motion bar (11), the top surface of central siphon (5) is by fixed plate (7) with lying prone Plate is fixedly connected;
B, the elevation angle is adjusted is fixedly connected between stepper motor (8) and central siphon (5), the bottom surface of central siphon and vertical motion bar (11) Top be fixedly connected, the elevation angle adjust stepper motor (8) output axis connection rotate gear (9);At the both ends of central siphon, alignment is set There is rotating cylinder (6), rotating cylinder is set in outside central siphon, and rotating cylinder (6) inner wall is fixed with the transmission internal tooth engaged with rotate gear (9) (10), the top surface of rotating cylinder (6) is fixedly connected by fixed plate (7) with saddle (1).
Further, be embedded in the upper surface of saddle it is a pair of can laterally opposed movement slide plate, be between a pair of slide Symmetrically arranged concave arc, for adjusting the size of face support mouth, the upper surface of slide plate is equipped with memory cotton pad.
Preferably, one piece and the fixed catch of saddle are respectively provided on the outside of user in a pair of slide, slide plate is embedding It is located at transverse shifting between catch and saddle;Catch is equipped with horizontal sliding slot, and locking nail is equipped with through sliding slot.
A kind of embodiment is to be equipped with opponent's grip end away from the one side on the outside of face support mouth in the top surface of saddle, one side Hand grip end is externally provided with a pair of of elevation angle control button, is respectively used to main story or reversion that the control elevation angle adjusts stepper motor;Opposite side Hand grip end be externally provided with a pair of of height control button, be respectively used to control height adjust stepper motor main story or reversion.
Preferably, at least 2 struts are vertically equipped in the bottom of saddle, the plate top surface of corresponding strut positions is fixed vertically Strut cylinder equipped with pluggable strut, bottom is equipped with support spring in strut cylinder, lies prone for sharing the pressure of telescopic rod and offer Support when plate loses stable.
Further embodiment, a pair of of strut cylinder is symmetrically set in the one side away from user, in the appearance of a side brace cylinder Face is equipped with a pair of of elevation angle control button, is respectively used to main story or reversion that the control elevation angle adjusts stepper motor;The strut of opposite side Cylinder is externally provided with a pair of of height control button, is respectively used to main story or reversion that control height adjusts stepper motor.
Preferably, the elevation angle adjusts stepper motor as perforation shaft type stepper motor, and output revolving shaft is stretched respectively from both ends Go out.
Preferably, the cushion of medicament can be soaked by being equipped with above the memory cotton pad at the face support mouth of saddle.
The present invention can easily, accurately and easily stepless fine adjustment sets the height collapsed and inclines at any time by user oneself Angle angle realizes compact-sized, application reliability height.
The coarse adjustment of height is set by stent, and height fine adjusting function, independent button are carried out using the vertical motion bar of button control Special control elevation angle micro actuator carries out the fine tuning at inclination angle, need not see and change that posture can be carried out controlling using 4 buttons. Memory cotton pad with detumescence medicament is set on saddle, and slide plate can be with the aperture of activity adjustment face support mouth, suitable for different head The people of size makes structure of the present invention be suitable for the patient of different statures.Memory cotton pad can be directed to different patients and set head Inflection point makes intraocular vitreum filler be maintained at topmost, achievees the purpose that close the break.
The pressure of vertical fixing rod can be mitigated using strut, by support spring and the strut cylinder of activity different micro- The pressure mitigated to vertical fixing rod can be played on adjusting height, meanwhile, strut can ensure on different inclined directions Prevent that user's saddle caused by the position deviation slept of lying prone is excessively crooked.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention,
Fig. 2 is bottom plate elevational views,
Fig. 3 is control structure exploded view,
Fig. 4 is viewing angle constructions view before saddle,
Fig. 5 is top view of the present invention,
Fig. 6 telescopic rod enlarged structure schematic diagrams.
In figure:1- saddles, 2- elevations angle micro actuator, 3- telescopic rods, 4- bottom plates, 5- central siphons, 6- rotating cylinders, 7- fixed plates, 8- are faced upward Angle adjusts stepper motor, 9- rotate gears, 10- transmission internal tooths, the vertical motion bars of 11-, 12- vertical fixing rods, the adjusting of 13- height Stepper motor, 14- face support mouths, 15- slide plates, 16- catch, 17- locking nails, 18- hand grip ends, 19- controllers, the control of the 20- elevations angle Button processed, 21- height control buttons, 22- socket pipes, 23- struts, 24- strut cylinders, 25- support springs, 26- connection windows, 27- Sliding slot, 28- stents, 29- casings.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples:The postoperative head of retina patient as shown in Figure 1 Portion's regulating device is equipped with saddle 1, elevation angle micro actuator 2, telescopic rod 3, bottom plate 4, stent 28 and controller 19 successively from the top down.
The saddle 1 is arranged on top layer, and patient head when sleeping of lying prone contacts directly saddle, and saddle is inclined to user for middle part Position is equipped with the tablet or curved slab of face support mouth 14, and the face support mouth 14 is 14~24cm of diameter, is opened on saddle one side The circular hole at edge, face will not oppress nose and hinder to breathe against face support mouth 14.
In order to adapt to the user of different head sizes, face support mouth 14 can be with adjusting size, and contact surface is cushion, Cushion, which is equipped with, can soak medicament layer, and corresponding operative site immerses detumescence drug, be conducive to the detumescence of wound portion.
Such as Fig. 3,4,5, notch or track are provided at the face support mouth 14 of the upper surface of saddle 1, for being embedded a pair Can laterally opposed movement slide plate 15, be symmetrically arranged concave arc between a pair of slide 15, a pair of slide 15 relatively moves The hole size of face support mouth can be adjusted.
One piece and 1 fixed catch 16 of saddle are respectively provided on the outside of user in a pair of slide 15, slide plate is embedded The transverse shifting between catch and saddle.Catch is equipped with horizontal sliding slot 27, locking nail 17 is equipped with through sliding slot, in locking nail 16 inside cap nut of catch, since catch 16 is fixed with saddle, rubbing between slide plate 15 can be increased by screwing locking nail 17 Wipe power, the position of fixed glides.
Be equipped with opponent's grip end 18 in one side of the top surface of saddle 1 away from face support mouth 14 outside, can in sleep hand It shakes hands grip end 18, hand is nowhere placed when being slept with solving the problems, such as to lie prone.
Elevation angle micro actuator 2 and telescopic rod 3 are provided between bottom plate 4 and saddle 1.A stratification can also be set below bottom plate Object plate.
Bottom plate can also set the bar for holding, and 23 He of strut is provided between bottom plate 4 and saddle 1 in the present embodiment Strut cylinder 24, strut 23 are fixedly connected with the bottom of saddle, and strut cylinder 24 is fixedly connected with bottom plate 4, and strut 23 is set in strut In cylinder 24, a pair of of strut cylinder 24 at least is being arranged with away from user one side, arm when sleeping of lying prone can also be placed at strut cylinder. Bottom is equipped with support spring 25 in strut cylinder 24, available for the pressure for sharing telescopic rod 3 and provides branch when saddle loses stable Support.
The frictional force to be overcome when mitigating lifting
Such as Fig. 3, the elevation angle micro actuator 2 is used to adjust the tilt angles in face of user of saddle 1, flexible for cervical vertebra Property different people, the inclination angle of saddle influences bigger for the comfort that uses, and the adjusting at this inclination angle is to what degree, There is user that can experience, therefore, user conveniently can voluntarily adjust particularly important in use.
Elevation angle micro actuator 2 includes horizontal central siphon 5, the tubular that line is arranged in parallel with saddle centered on central siphon 5, and interior be equipped with is faced upward Angle adjusts stepper motor 8, and the elevation angle adjusts the output shaft of stepper motor 8 and the center line coincidence or parallel of central siphon, and the elevation angle adjusts step The output shaft of stepper motor 8 is fixedly connected by driving member with the saddle 1.
A kind of embodiment is that the elevation angle is adjusted to be connected between stepper motor 8 and central siphon 5 by bearing, and the elevation angle adjusts step The output shaft of stepper motor 8 is fixed by the inner wall of connector and central siphon 5, and the bottom surface of central siphon is equipped with connection in face of vertical motion bar 11 Window 26, the top of vertical motion bar 11 adjust stepper motor 8 with the elevation angle through connection window 26 and are fixedly connected, connection window 26 with vertically There is 15 °~50 ° of rotational degree of freedom between motion bar 11, can not only meet the adjusting requirement at inclination angle but also prevent inclination angle is excessive from losing Stability, the top surface of central siphon 5 are fixedly connected by fixed plate 7 with saddle.Therefore, the body that the elevation angle adjusts stepper motor 8 is solid Fixed, output shaft drives central siphon 5 and related saddle 1 to rotate, and due to the use of stepper motor, can accurately adjust low-angle.
The embodiment that another elevation angle is adjusted is as shown in figure 3, fixed between elevation angle adjusting stepper motor 8 and central siphon 5 Connection, the bottom surface of central siphon are fixedly connected with the top of vertical motion bar 11, and the output axis connection that the elevation angle adjusts stepper motor 8 rotates Gear 9;At the both ends of central siphon, alignment is equipped with rotating cylinder 6, and rotating cylinder is set in outside central siphon, and 6 inner wall of rotating cylinder is fixed with and rotate gear 9 The transmission internal tooth 10 of engagement, the top surface of rotating cylinder 6 are fixedly connected by fixed plate 7 with saddle 1.Therefore, the elevation angle adjusts stepper motor 8 Body be fixed, output power drive rotating cylinder 6 and related saddle 1 rotate, can be accurate due to the use of stepper motor Adjust low-angle.The bearing being socketed in outside central siphon can also be set between central siphon and rotating cylinder, to reduce between central siphon and rotating cylinder Friction.
In two embodiments of submitting a written statement to a higher authority, the elevation angle, which adjusts stepper motor 8, to be passed through respectively with bidirectional rotation, the startup of both direction A pair of of elevation angle control button 20 controls, and can adjust stepper motor 8 with Single-end output power, the preferably elevation angle as perforation shaft type stepping electricity Machine, output revolving shaft stretch out respectively from both ends, and output power is symmetrical.Elevation angle control button 20 may be disposed at 18 He of hand grip end 24 outside of strut cylinder, easily can accurately be adjusted under the state of sleeping of lying prone, the elevation angle in 24 outside of hand grip end 18 and strut cylinder Control button 20 can be connected in parallel, and control either button can play a role.
The telescopic rod 3 is equipped with that at least a pair of of axis is vertically arranged and the vertical motion bar 11 of mutually vertical nested tubular With vertical fixing rod 12, vertical fixing rod 12 is fixedly connected with bottom plate 4, and height is fixed in vertical fixing rod and adjusts stepping electricity Machine 13, vertical motion bar 11 are slid axially by the guide rail between vertical fixing rod 12, and height adjusts the defeated of stepper motor 13 The madial wall for going out shaft with vertical motion bar 11 is connected by screw thread pair, and top and the elevation angle of vertical motion bar 11 adjust stepping electricity Machine 8 or central siphon 5 are fixedly connected.
Stepper motor 13 is highly adjusted by 21 double-direction control of height control button, height control button 21 may be disposed at hand 24 outside of grip end 18 and strut cylinder, easily can accurately be adjusted under the state of sleeping of lying prone, outside hand grip end 18 and strut cylinder 24 The height control button 21 of side can be connected in parallel, and control either button can play a role.
Such as Fig. 2, the bottom of the bottom plate 4 is fixed with socket pipe 22, and socket pipe 22 and the casing 29 of stent 28 can be set Highly it is socketed, such as socket pipe 22 sets the vertical location hole of a through row, the casing 29 of stent 28 sets a pair to perforating, Use the location hole setting height of pin selection different height.Or it adjusts cylinder using height and height is set.
The controller 19 is equipped with power module, and power module can be battery powered or external mains-supplied, by pressing Power supply is adjusted button switch stepper motor 13 with height and the elevation angle adjusts stepper motor 8 and is electrically connected.

Claims (8)

1. a kind of postoperative head adjusting device of retina patient, it is characterised in that:It is equipped with saddle (1), the elevation angle successively from the top down Micro actuator (2), telescopic rod (3), bottom plate (4), stent (28) and controller (19);
The saddle (1) be equipped with face support mouth (14) tablet or curved slab, it is described face support mouth (14) for diameter 14~ 24cm, the circular hole for being opened on saddle one side edge;
The elevation angle micro actuator (2) includes horizontal central siphon (5), the tubular that line is arranged in parallel with saddle centered on central siphon (5), interior Stepper motor (8) is adjusted equipped with the elevation angle, the elevation angle adjusts the output shaft of stepper motor (8) and the center line coincidence or parallel of central siphon, The output shaft that the elevation angle adjusts stepper motor (8) is fixedly connected by driving member with the saddle (1);
The telescopic rod (3) is equipped with that at least a pair of of axis is vertically arranged and the vertical motion bar (11) of mutually vertical nested tubular With vertical fixing rod (12), vertical fixing rod (12) is fixedly connected with bottom plate (4), and height is fixed in vertical fixing rod and is adjusted Stepper motor (13), vertical motion bar (11) are slid axially by the guide rail between vertical fixing rod (12), and height adjusts step The output revolving shaft of stepper motor (13) is connected with the madial wall of vertical motion bar (11) by screw thread pair, the top of vertical motion bar (11) End adjusts stepper motor (8) with the elevation angle or central siphon (5) is fixedly connected;
The bottom of the bottom plate (4) is fixed with socket pipe (22), and socket pipe (22) and the casing (29) of stent (28) can be set Highly it is socketed;
The controller (19) is equipped with button switch, and power supply and height are adjusted stepper motor (13) and the elevation angle by button switch It adjusts stepper motor (8) to be electrically connected, the power supply is powered by battery or external power supply;
The drive mechanism of the elevation angle micro actuator (2) is using one of following two schemes:
A, the elevation angle is adjusted is connected between stepper motor (8) and central siphon (5) by bearing, and the elevation angle adjusts the output of stepper motor (8) Axis is fixed by the inner wall of connector and central siphon (5), and the bottom surface of central siphon is equipped with connection window (26) in face of vertical motion bar (11), erects To the top of motion bar (11) connection window (26) is passed through to adjust stepper motor (8) with the elevation angle to be fixedly connected, connection window (26) is with erecting There is 15 °~50 ° of rotational degree of freedom between motion bar (11), the top surface of central siphon (5) is fixed by fixed plate (7) and saddle to be connected It connects;
B, the elevation angle is adjusted is fixedly connected between stepper motor (8) and central siphon (5), the bottom surface of central siphon and the top of vertical motion bar (11) End is fixedly connected, and the elevation angle adjusts the output axis connection rotate gear (9) of stepper motor (8);At the both ends of central siphon, alignment, which is equipped with, turns Cylinder (6), rotating cylinder is set in outside central siphon, and rotating cylinder (6) inner wall is fixed with the transmission internal tooth (10) engaged with rotate gear (9), is turned The top surface of cylinder (6) is fixedly connected by fixed plate (7) with saddle (1).
2. regulating device according to claim 1, it is characterised in that:A pair is embedded in the upper surface of saddle (1) can be horizontal It is symmetrically arranged concave arc between a pair of slide (15) to the slide plate (15) of relative movement, for adjusting face support mouth (14) size, the upper surface of slide plate (15) are equipped with memory cotton pad.
3. regulating device according to claim 2, it is characterised in that:It is each in face of the outside of user in a pair of slide (15) Equipped with one piece and saddle (1) fixed catch (16), slide plate is embedded the transverse shifting between catch and saddle;Catch is equipped with horizontal stroke To sliding slot (27), through sliding slot be equipped with locking nail (17).
4. regulating device according to claim 1, it is characterised in that:In the top surface of saddle (1) mouth (14) is held in the palm away from face The one side in outside is equipped with opponent's grip end (18), and the hand grip end (18) of one side is externally provided with a pair of of elevation angle control button (20), respectively For the elevation angle to be controlled to adjust main story or the reversion of stepper motor (8);The hand grip end (18) of opposite side is externally provided with a pair of of height and controls Button (20) is respectively used to main story or reversion that control height adjusts stepper motor (8).
5. regulating device according to claim 1, it is characterised in that:It is vertical equipped at least 2 supports in the bottom of saddle (1) Bar (23), bottom plate (4) top surface of corresponding strut (23) position fix the strut cylinder (24) for being vertically equipped with and can be inserted into strut (23), support Bar cylinder (24) interior bottom is equipped with support spring (25), for sharing the pressure of telescopic rod (3) and providing when saddle loses stable Support.
6. regulating device according to claim 5, it is characterised in that:A pair of of strut cylinder (24) is symmetrically set in away from user One side, a pair of of elevation angle control button (20) is equipped in the outer surface of a side brace cylinder (24), the control elevation angle is respectively used to and adjusts The main story of stepper motor (8) or reversion;The strut cylinder (24) of opposite side is externally provided with a pair of of height control button (20), is respectively used to Control height adjusts main story or the reversion of stepper motor (8).
7. regulating device according to claim 1, it is characterised in that:The elevation angle adjusts stepper motor (8) as perforation axis Formula stepper motor, output revolving shaft stretch out respectively from both ends.
8. according to the regulating device described in claim 1,2 or 3, it is characterised in that:Note at the face support mouth (14) of saddle Recall the cushion for being equipped with above cotton pad and can soaking medicament.
CN201711465418.XA 2017-12-28 2017-12-28 A kind of postoperative head adjusting device of retina patient Pending CN108095949A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711465418.XA CN108095949A (en) 2017-12-28 2017-12-28 A kind of postoperative head adjusting device of retina patient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711465418.XA CN108095949A (en) 2017-12-28 2017-12-28 A kind of postoperative head adjusting device of retina patient

Publications (1)

Publication Number Publication Date
CN108095949A true CN108095949A (en) 2018-06-01

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Application Number Title Priority Date Filing Date
CN201711465418.XA Pending CN108095949A (en) 2017-12-28 2017-12-28 A kind of postoperative head adjusting device of retina patient

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Country Link
CN (1) CN108095949A (en)

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Publication number Priority date Publication date Assignee Title
CN112627746A (en) * 2020-11-27 2021-04-09 四川宏华石油设备有限公司 Drill floor manipulator

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CN112627746A (en) * 2020-11-27 2021-04-09 四川宏华石油设备有限公司 Drill floor manipulator

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Application publication date: 20180601