CN111134744A - An eyelid opening device for medical surgery - Google Patents
An eyelid opening device for medical surgery Download PDFInfo
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- CN111134744A CN111134744A CN202010037354.9A CN202010037354A CN111134744A CN 111134744 A CN111134744 A CN 111134744A CN 202010037354 A CN202010037354 A CN 202010037354A CN 111134744 A CN111134744 A CN 111134744A
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- 210000000744 eyelid Anatomy 0.000 title claims abstract description 82
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 32
- 210000002268 wool Anatomy 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 11
- 238000004804 winding Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 230000007480 spreading Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 210000003128 head Anatomy 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 210000001061 forehead Anatomy 0.000 description 3
- 208000029091 Refraction disease Diseases 0.000 description 2
- 230000004430 ametropia Effects 0.000 description 2
- 230000003699 hair surface Effects 0.000 description 2
- 208000014733 refractive error Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
- A61B17/0231—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors for eye surgery
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- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
本发明公开了一种医学手术用的眼皮撑开装置，包括连接板，所述连接板一侧中部开设有安装槽孔，所述安装槽孔一端边部固定连接有支撑架，所述支撑架一侧中部开设有安装孔，所述安装孔一端边部圆周方向均匀开设有限位槽孔，所述安装孔内滑动连接有转动块，所述转动块一端固定连接有转动盘，本发明通过转动块、转动盘、收线盘和牵引索的配合，带动撑开连接块沿滑移杆向一端滑动，通过支撑弹簧、连接管、限位盘和限位槽孔的配合，对上撑开架的位置进行固定，优化了眼皮撑开装置的使用过程，使上撑开架可以将患者的眼皮均匀撑开，使眼皮的两侧的开口大小与中间的位置的开口大小一样，使手术操作的更加便捷。
The invention discloses an eyelid opening device for medical surgery, comprising a connecting plate, a middle part of one side of the connecting plate is provided with an installation slot hole, one end of the installation slot hole is fixedly connected with a support frame, and the support frame A mounting hole is opened in the middle of one side, and a limit slot hole is evenly set in the circumferential direction of one end of the mounting hole, a rotating block is slidably connected in the mounting hole, and a rotating disk is fixedly connected at one end of the rotating block. The cooperation of the block, the rotating disk, the take-up disk and the traction cable drives the opening connecting block to slide to one end along the sliding rod. The position is fixed to optimize the use process of the eyelid opening device, so that the upper opening frame can evenly open the patient's eyelids, so that the openings on both sides of the eyelids are the same size as the opening in the middle position, making the operation more convenient .
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an eyelid expanding device for medical operation.
Background
Data in all aspects show that the number of ophthalmology patients is increasing continuously, the most common problem among young people is ametropia, the ametropia is mainly caused by uncorrected or incorrectly corrected vision of both eyes, the number of ophthalmology patients is increasing year by year, and the ophthalmology treatment and examination become an important work content of medical workers, wherein an eyelid expanding device is an important device used in the eye examination process;
however, the eyelid opening device in the market at present adopts a structure similar to a pair of scissors, so that openings on two sides of the eyelid are small and the opening between the two sides is large in the process of opening the eyelid, and the operation of the eye surgery is inconvenient.
Disclosure of Invention
The invention provides an eyelid opening device for medical operations, which can effectively solve the problem that the eyelid opening device provided in the background technology adopts a structure similar to a scissors, so that the openings at the two sides are small and the opening between the two sides is large in the process of opening the eyelid, and the operation of the eye operation is inconvenient.
In order to achieve the purpose, the invention provides the following technical scheme: an eyelid retractor for medical procedures, comprising:
the take-up mechanism is used for providing power for the eyelid distracting device so that the eyelid distracting device distracts the upper and lower eyelids of the patient;
the distance adjusting mechanism is used for adjusting the distance between the two sides of the eyelid opening device so as to adapt to patients with different distances between the two eyes;
the aligning mechanism is used for adjusting the longitudinal position of the eyelid distraction device, and the eyelid distraction device can be aligned with the eyes of the patient.
Preferably, the cable winding device comprises a connecting plate, wherein a mounting slot hole is formed in the middle of one side of the connecting plate, a cable winding mechanism is fixedly connected to the edge of one end of the mounting slot hole, and the cable winding mechanism comprises a support frame, a mounting hole, a limiting slot hole, a rotating block, a rotating disc, a limiting disc, a connecting pipe, a cable winding disc, a support spring and a traction cable;
the utility model discloses a take-up reel, including mounting hole, spacing slotted hole, turning block one end fixedly connected with rolling disc, the spacing dish of turning block other end fixedly connected with, spacing dish one end middle part fixedly connected with connecting pipe, connecting pipe one end fixedly connected with take-up reel, the take-up reel inboard is provided with supporting spring, the traction cable has been coiled in the take-up reel outside.
Preferably, the supporting spring penetrates through the take-up reel and the connecting pipe, one end of the supporting spring is tightly attached to the inner side of the mounting groove hole, the other end of the supporting spring is tightly attached to one side of the limiting reel, and the limiting groove hole is matched with the limiting reel.
Preferably, one end of the connecting plate is fixedly connected with an arc-shaped plate, one side of the arc-shaped plate is provided with a sliding groove, an interval adjusting mechanism is movably connected in the sliding groove and comprises an adjusting plate, an adjusting screw rod, a locking nut, a rotating rod and an adjusting frame;
the sliding groove is internally and movably connected with an adjusting plate, one end of the adjusting plate is fixedly connected with an adjusting screw, the outer side of the adjusting screw corresponds to a position fixedly connected with locking nut on one side of the arc plate, the middle part of the adjusting plate is fixed to be connected with a rotating rod in a rotating mode, and one end of the rotating rod is connected with an adjusting frame in a rotating mode.
Preferably, the length of regulating plate is less than the degree of depth in the groove that slides, the regulating plate both sides are closely laminated in the groove both sides that slide respectively.
Preferably, one side in the adjusting frame is fixedly connected with an alignment mechanism, and the alignment mechanism comprises an adjusting screw rod, a limiting connecting block, an adjusting ring and a lower expanding frame;
inside one side fixedly connected with adjusts the lead screw, adjust lead screw outside one end sliding connection and have spacing connecting block, adjust the lead screw outside and correspond spacing connecting block middle part position department and cup jointed the adjustable ring, spacing connecting block one end fixedly connected with is strutting the frame down.
Preferably, the inside opposite side fixedly connected with slide bar of alignment jig, the slide bar outside corresponds limiting connection piece one side position department sliding connection and struts the connecting block, strut on the connecting block one end fixedly connected with and strut the frame, the slide bar outside corresponds and struts fixed the having cup jointed reset spring of connecting block one end position department, reset spring one end and the connecting block fixed connection that struts, the reset spring other end and alignment jig inner wall fixed connection.
Preferably, the adjusting screw rod and the sliding rod penetrate through the limiting connecting block and the strutting connecting block, and one end of the traction cable is fixedly connected with the strutting connecting block.
Preferably, two the inboard elastic connecting band that all bonds of connecting plate, spacing hole has evenly been seted up to connecting plate one end, the spacing downthehole fixedly connected with coupling spring of connecting plate one end both sides, the coupling spring both ends respectively with two connecting plate fixed connection, a spacing downthehole side sliding connection at arc one end middle part has the arc pole, arc board bottom end fixedly connected with in-connection area, in-connection area one side one end bonds and has magic tape needle face, another arc board bottom end fixedly connected with outer connecting band, outer connecting band one side one end fixedly connected with magic tape hair side.
Preferably, the magic needle sticking surface and the magic hair sticking surface are matched with each other.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. the utility model provides a support frame, the mounting hole, spacing slotted hole, the turning block, the rolling disc, spacing dish, the connecting pipe, the take-up reel, supporting spring and traction cable, when using eyelid distraction device, through the turning block, the rolling disc, the cooperation of take-up reel and traction cable, it slides to one end along the slide bar to drive the distraction connecting block, prop open patient's last eyelid through last distraction frame, through supporting spring, the connecting pipe, the cooperation of spacing dish and spacing slotted hole, fix the position of last distraction frame, eyelid distraction device's use has been optimized, make on prop open the frame and can evenly strut patient's eyelid, the opening size of the both sides that make the eyelid is the same with the opening size of intermediate position, it is more convenient to make the operation.
2. The utility model discloses a glasses that prop up the device, including the groove of strutting, the regulating plate, adjusting screw, lock nut, dwang and alignment jig, when strutting down and last distraction frame's position and adjusting, through the cooperation of groove of sliding and regulating plate, prop up the position of frame and last distraction frame down and adjust, make and prop up the frame down and prop up the frame and be located same straight line with patient's glasses, cooperation through adjusting screw and lock nut, fix the position of adjustment plate, avoid using eyelid distraction device in-process regulating plate to take place the skew, rotate the alignment jig through the dwang, make and prop down the frame and prop up the frame and keep parallel with patient's glasses, the commonality of eyelid distraction device has been improved.
3. The adjusting screw rod, the limiting connecting block, the adjusting ring and the lower opening frame are arranged, the initial position of the lower opening frame is adjusted through the matching of the adjusting screw rod, the limiting connecting block and the adjusting ring, the lower opening frame is aligned with the eyelid position of a patient, and the eyelid opening device is used through optimization.
4. Set up elastic connection area, spacing hole, coupling spring, arc and arc pole, through the mutually supporting between elastic connection area, coupling spring and the spacing hole, be connected to two connecting plates together, guide the connecting plate through the cooperation between spacing hole and the arc pole, make the in-process of connecting plate motion keep the circular arc orbit, prop open the weight of device with the eyelid through the arc and share the forehead, alleviate the burden of patient's eyelid.
5. The inner connecting belt, the magic tape needle surface, the outer connecting belt and the magic tape hair surface are arranged, the eyelid opening device is connected with the chin of a patient through the matching of the inner connecting belt and the outer connecting belt, the magic tape needle surface and the magic tape hair surface are matched, the inner connecting belt and the outer connecting belt are fixedly connected, the deviation of the patient head is avoided when the patient head is rocked, and the using process of the eyelid opening device is optimized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a connecting plate of the present invention;
FIG. 3 is a schematic structural view of a traction cable installation of the present invention;
FIG. 4 is a schematic structural view of the alignment mechanism of the present invention;
FIG. 5 is a schematic view of the spacing adjustment mechanism of the present invention;
FIG. 6 is a schematic view of a wire take-up mechanism according to the present invention;
FIG. 7 is a schematic structural view of the stand of the present invention;
reference numbers in the figures: 1. a connecting plate; 2. mounting a slotted hole;
3. a take-up mechanism; 301. a support frame; 302. mounting holes; 303. limiting slotted holes; 304. rotating the block; 305. rotating the disc; 306. a limiting disc; 307. a connecting pipe; 308. a take-up reel; 309. a support spring; 310. a traction cable;
4. a sliding groove;
5. a spacing adjustment mechanism; 501. an adjusting plate; 502. adjusting the screw rod; 503. locking the nut; 504. rotating the rod; 505. an adjusting bracket;
6. an alignment mechanism; 601. adjusting the lead screw; 602. a limiting connecting block; 603. an adjusting ring; 604. a lower distraction frame;
7. a slide bar; 8. opening the connecting block; 9. an upper spreader; 10. a return spring; 11. an elastic connecting band; 12. a limiting hole; 13. a connecting spring; 14. an arc-shaped plate; 15. an inner connecting band; 16. magic needle sticking surface; 17. an outer connecting band; 18. magic tape hair side; 19. an arc-shaped rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1 to 7, the present invention provides a technical solution, an eyelid retractor for medical surgery, comprising:
the take-up mechanism 3 is used for providing power for the eyelid distracting device so that the eyelid distracting device distracts the upper and lower eyelids of the patient;
the distance adjusting mechanism 5 is used for adjusting the distance between the two sides of the eyelid opening device so as to adapt to patients with different distances between the two eyes;
the aligning mechanism 6 is used for adjusting the longitudinal position of the eyelid distraction device, and the eyelid distraction device can be aligned with the eyes of a patient;
the cable winding device comprises a connecting plate 1, wherein a mounting slotted hole 2 is formed in the middle of one side of the connecting plate 1, a winding mechanism 3 is fixedly connected to the edge of one end of the mounting slotted hole 2, and the winding mechanism 3 comprises a supporting frame 301, a mounting hole 302, a limiting slotted hole 303, a rotating block 304, a rotating disc 305, a limiting disc 306, a connecting pipe 307, a winding disc 308, a supporting spring 309 and a traction cable 310;
a supporting frame 301 is fixedly connected to one end edge of the mounting slot 2, a mounting hole 302 is formed in the middle of one side of the supporting frame 301, a limiting slot 303 is uniformly formed in the circumferential direction of one end edge of the mounting hole 302, a rotating block 304 is slidably connected in the mounting hole 302, a rotating disc 305 is fixedly connected to one end of the rotating block 304, a limiting disc 306 is fixedly connected to the other end of the rotating block 304, a connecting pipe 307 is fixedly connected to the middle of one end of the limiting disc 306, a take-up reel 308 is fixedly connected to one end of the connecting pipe 307, a supporting spring 309 is arranged on the inner side of the take-up reel 308, a traction cable 310 is coiled on the outer side of the take-up reel 308, the supporting spring 309 penetrates through the take-up reel 308 and the connecting pipe 307, one end of the supporting spring 309 is tightly attached to the inner side, The cooperation of rolling disc 305, take-up reel 308 and haulage cable 310 drives to strut connecting block 8 and slides to one end along slide bar 7, struts patient's upper eyelid through last distraction frame 9, through supporting spring 309, connecting pipe 307, spacing dish 306 and spacing slotted hole 303's cooperation, fix the position of last distraction frame 9, the use of eyelid distraction device has been optimized, make last distraction frame 9 can evenly strut patient's eyelid, make the opening size of the both sides of eyelid the same with the opening size of middle position, it is more convenient to make the operation.
One end of the connecting plate 1 is fixedly connected with an arc-shaped plate 14, one side of the arc-shaped plate 14 is provided with a sliding groove 4, an interval adjusting mechanism 5 is movably connected in the sliding groove 4, and the interval adjusting mechanism 5 comprises an adjusting plate 501, an adjusting screw 502, a locking nut 503, a rotating rod 504 and an adjusting frame 505;
an adjusting plate 501 is movably connected in the sliding groove 4, the length of the adjusting plate 501 is smaller than the depth of the sliding groove 4, two sides of the adjusting plate 501 are respectively and tightly attached to two sides of the sliding groove 4, an adjusting screw 502 is fixedly connected to one end of the adjusting plate 501, a locking nut 503 is fixedly connected to the position, corresponding to one side of the arc plate 14, of the outer side of the adjusting screw 502, a rotating rod 504 is rotatably connected to the fixed middle part of one end of the adjusting plate 501, an adjusting frame 505 is rotatably connected to one end of the rotating rod 504, when the positions of the lower opening frame 604 and the upper opening frame 9 are adjusted, the positions of the lower opening frame 604 and the upper opening frame 9 are adjusted through the matching of the sliding groove 4 and the adjusting plate 501, so that the lower opening frame 604 and the upper opening frame 9 are positioned on the same straight line with glasses of a patient, the position of the adjusting plate 501 is fixed through the matching of the adjusting screw 502, the adjusting frame 505 is rotated by the rotating rod 504, so that the lower opening frame 604 and the upper opening frame 9 are parallel to the glasses of the patient, and the universality of the eyelid opening device is improved.
An alignment mechanism 6 is fixedly connected to one side inside the adjusting frame 505, and the alignment mechanism 6 comprises an adjusting screw 601, a limiting connecting block 602, an adjusting ring 603 and a lower expanding frame 604;
an adjusting screw rod 601 is fixedly connected to one side of the inner part of the device, one end of the outer side of the adjusting screw rod 601 is slidably connected with a limiting connecting block 602, an adjusting ring 603 is sleeved at the position, corresponding to the middle part of the limiting connecting block 602, of the outer side of the adjusting screw rod 601, a lower expansion frame 604 is fixedly connected to one end of the limiting connecting block 602, and the initial position of the lower expansion frame 604 is adjusted through the matching of the adjusting screw rod 601, the limiting connecting block 602 and the adjusting ring 603, so that the lower expansion frame 604 is aligned with the eyelid of a patient in the axial direction, and the;
the other side inside the adjusting frame 505 is fixedly connected with a sliding rod 7, the position of the outer side of the sliding rod 7, which corresponds to one side of the spacing connecting block 602, is slidably connected with a spreading connecting block 8, one end of the spreading connecting block 8 is fixedly connected with an upper spreading frame 9, the position of the outer side of the sliding rod 7, which corresponds to one end of the spreading connecting block 8, is fixedly sleeved with a return spring 10, one end of the return spring 10 is fixedly connected with the spreading connecting block 8, the other end of the return spring 10 is fixedly connected with the inner wall of the adjusting frame 505, an adjusting screw 601 and the sliding rod 7 both penetrate through the spacing connecting block 602 and the spreading connecting block 8, one end of a traction cable 310 is fixedly connected with the spreading connecting block 8, two connecting plates 1 are connected together through the mutual matching among an elastic connecting belt 11, a connecting spring 13 and a spacing hole 12, the connecting, the weight of the eyelid opening device is shared on the forehead through the arc-shaped plate 14, so that the burden of the eyelid of the patient is reduced;
elastic connecting belts 11 are bonded on the inner sides of the two connecting plates 1, one end of each connecting plate 1 is uniformly provided with a limiting hole 12, connecting springs 13 are fixedly connected in the limiting holes 12 on the two sides of one end of each connecting plate 1, the two ends of each connecting spring 13 are respectively and fixedly connected with the two connecting plates 1, an arc rod 19 is slidably connected on the inner side of one limiting hole 12 in the middle of one end of each arc plate 14, the bottom end of each arc plate 14 is fixedly connected with an inner connecting belt 15, one end of one side of each inner connecting belt 15 is bonded with a magic needle sticking surface 16, the bottom end of the other arc plate 14 is fixedly connected with an outer connecting belt 17, one end of one side of each outer connecting belt 17 is fixedly connected with a magic hair sticking surface 18, the magic needle sticking surfaces 16 and the magic hair sticking surfaces 18 are matched with each other, the eyelid distracting device is connected with the chin of a patient through the matching of the inner connecting belts 15 and the outer, the head of the patient is prevented from shifting from the eyelid distraction device when shaking, and the use process of the eyelid distraction device is optimized.
The working principle and the using process of the invention are as follows: in the practical application process, when the eyelid retractor is used, the retractor drives the retractor connecting block 8 to slide towards one end along the sliding rod 7 through the matching of the rotating block 304, the rotating disc 305, the take-up reel 308 and the traction cable 310, the upper eyelid of a patient is retracted through the upper retractor frame 9, the position of the upper retractor frame 9 is fixed through the matching of the supporting spring 309, the connecting pipe 307, the limiting disc 306 and the limiting groove hole 303, the use process of the eyelid retractor is optimized, the upper retractor frame 9 can uniformly retract the eyelid of the patient, the sizes of the openings at the two sides of the eyelid are the same as the size of the opening at the middle position, and the operation is more convenient;
when the positions of the lower opening frame 604 and the upper opening frame 9 are adjusted, the positions of the lower opening frame 604 and the upper opening frame 9 are adjusted through the matching of the sliding groove 4 and the adjusting plate 501, so that the lower opening frame 604 and the upper opening frame 9 are positioned on the same straight line with the glasses of a patient, the position of the adjusting plate 501 is fixed through the matching of the adjusting screw 502 and the locking nut 503, the adjusting plate 501 is prevented from being deviated in the process of using the eyelid opening device, the adjusting frame 505 is rotated through the rotating rod 504, the lower opening frame 604 and the upper opening frame 9 are kept parallel to the glasses of the patient, and the universality of the eyelid opening device is improved;
the initial position of the lower expanding frame 604 is adjusted through the matching of the adjusting screw 601, the limiting connecting block 602 and the adjusting ring 603, so that the lower expanding frame 604 is aligned with the position of the eyelid of the patient, and the usability of the eyelid expanding device is optimized;
the two connecting plates 1 are connected together through mutual matching among the elastic connecting band 11, the connecting spring 13 and the limiting hole 12, the connecting plates 1 are guided through matching among the limiting hole 12 and the arc-shaped rod 19, so that the arc-shaped track is kept in the moving process of the connecting plates 1, the weight of the eyelid opening device is shared on the forehead through the arc-shaped plate 14, and the burden of the eyelid of a patient is relieved;
through the cooperation of internal connection area 15 and external connection area 17, be connected eyelid distraction device and patient's chin, paste the cooperation of needle face 16 and magic tape hair side 18 through the magic, make fixed connection between internal connection area 15 and the external connection area 17, take place the skew with eyelid distraction device when avoiding patient's head to rock, optimized eyelid distraction device's use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010037354.9A CN111134744B (en) | 2020-01-14 | 2020-01-14 | An eyelid opening device for medical surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010037354.9A CN111134744B (en) | 2020-01-14 | 2020-01-14 | An eyelid opening device for medical surgery |
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| CN111134744A true CN111134744A (en) | 2020-05-12 |
| CN111134744B CN111134744B (en) | 2021-11-02 |
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| CN112220508A (en) * | 2020-10-15 | 2021-01-15 | 上海市普陀区中心医院 | Eyelid opening device for medical operation |
| CN114699305A (en) * | 2022-04-02 | 2022-07-05 | 核工业总医院 | Breathe severe nursing with patient's mouth nose cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220508A (en) * | 2020-10-15 | 2021-01-15 | 上海市普陀区中心医院 | Eyelid opening device for medical operation |
| CN112220508B (en) * | 2020-10-15 | 2022-04-19 | 上海市普陀区中心医院 | Eyelid opening device for medical operation |
| CN114699305A (en) * | 2022-04-02 | 2022-07-05 | 核工业总医院 | Breathe severe nursing with patient's mouth nose cleaning device |
| CN114699305B (en) * | 2022-04-02 | 2024-01-12 | 核工业总医院 | Patient's mouth and nose cleaning device is used in severe nursing of breathing |
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| CN111134744B (en) | 2021-11-02 |
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