CN111110365B - Annular transmission finishing device of sharp surgical instruments - Google Patents
Annular transmission finishing device of sharp surgical instruments Download PDFInfo
- Publication number
- CN111110365B CN111110365B CN202010080981.0A CN202010080981A CN111110365B CN 111110365 B CN111110365 B CN 111110365B CN 202010080981 A CN202010080981 A CN 202010080981A CN 111110365 B CN111110365 B CN 111110365B
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- CN
- China
- Prior art keywords
- cavity
- lifting rod
- electric lifting
- fixedly connected
- pedal
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
Abstract
The invention discloses an annular transmission finishing device for sharp surgical instruments, which comprises a base, wherein a through cavity is arranged in the base, sliding cavities are symmetrically arranged on the inner walls of the front side and the rear side of the through cavity, and rotating discs are connected in the sliding cavities in a sliding mode.
Description
Technical Field
The invention relates to the technical field of surgical instruments, in particular to an annular transmission finishing device for sharp surgical instruments.
Background
The surgical instruments need to cut skin epidermal tissue rapidly, so the incision is sharp. The operating room is provided with a scalpel for the main doctor to carry out dustless treatment, so that the medical staff is required to deliver the needed knife to the main doctor in a hand delivering mode in the operation process.
However, either edge orientation involves the risk of nicking and the used tool can easily become misaligned with the tool being subsequently transported, contaminating the clean instrument. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
in the manner of hand-delivered surgical instruments, the incision is always oriented toward the doctor or nurse, which involves the danger of nicking, and the probability of collision between the front and rear cutters causes contamination of the clean instruments.
In order to solve the problems, the present example designs an annular transmission and arrangement device for sharp surgical instruments, which comprises a base, wherein a through cavity is arranged in the base, sliding cavities are symmetrically arranged on the inner walls of the front side and the rear side of the through cavity, a turntable is connected in the sliding cavities in a sliding manner, an electric lifting rod is arranged on the upper side of the turntable, a pedal device is arranged between the base and the electric lifting rod, the pedal device comprises four upper trapezoidal blocks which are fixedly connected with the electric lifting rod and distributed in an annular array manner, four lower trapezoidal blocks which are fixedly connected with the electric lifting rod and are configured in a staggered manner with the upper trapezoidal blocks, a pedal which is rotatably connected with the inner wall of the through cavity, balls which are fixedly connected with the pedal and are respectively connected with the upper trapezoidal blocks and the lower trapezoidal blocks in a sliding manner, and the pedal rotates the electric lifting rod by forty-five degrees through the sliding of the spherical balls and the lower trapezoidal blocks, the electric lifting rod is further rotated by forty-five degrees through the sliding connection between the electric lifting rod and the upper trapezoidal block, the electric lifting rod rotates by ninety degrees after being stepped by feet each time, the electric lifting rod is provided with an exchange device, the exchange device comprises a rotating ring fixedly connected with the electric lifting rod, four placing cavities which are positioned on the rotating ring and distributed in an annular array, surgical instruments are placed in the placing cavities, the upper side of the base is provided with a cleaning device positioned at the right end of the through cavity, the cleaning device comprises a telescopic rod fixedly connected with the upper side of the base, a connecting plate fixedly connected with the upper end of the telescopic rod, a transmission box fixedly connected with the connecting plate, a liquid medicine tank fixedly connected with the upper side of the transmission box, and a throwing pipe which is slidably connected with the liquid medicine tank and is slidably connected with the placing cavity on the right side, the feeding pipe is lifted and slides to send cleaning liquid in the liquid medicine tank to the placing cavity to wash out surgical instruments, a driving device for driving the feeding pipe to lift is arranged on the transmission case, and an absorption device for absorbing cleaning liquid on the right side in the placing cavity is arranged on the upper side of the base.
Wherein the pedal device further comprises a torque spring connected between the pedal and the inner wall of the through cavity.
The replacing device further comprises a through hole located in the inner wall of the upper end of the placing cavity, the through hole is connected with two cover plates which are symmetrical relative to the center of the through hole and provided with torsion springs in a rotating mode, and a limiting rod located on the lower side of the through hole is fixedly arranged on the inner wall of the bottom end of the placing cavity.
The cleaning device further comprises a water storage cavity in the feeding pipe, an isolation cavity is arranged on the lower side of the water storage cavity, symmetrical drain holes are formed in the inner walls of the upper end and the lower end of the isolation cavity in a communicated mode, and a throat plug abutted to the limiting rod is connected to the drain holes in a sliding mode.
Wherein, drive arrangement is including being located transmission chamber in the transmission case, transmission chamber downside inner wall with rotate between the electric lift pole and be connected, the transmission intracavity rotates and is connected with the driven shaft that extends to the upper end outside, be equipped with on the driven shaft and be located the commentaries on classics bucket of transmission case upside, be equipped with the wave groove on the commentaries on classics bucket, wave inslot sliding connection have with put in tub fixed connection's driving lever, be equipped with on the driven shaft and be located the pinion of transmission intracavity, electric lift pole upper end be equipped with the master gear that the pinion meshing is connected.
Wherein, absorbing device include with base upside fixed connection's fixed water pipe, fixed water pipe upper end sliding connection's right angle water pipe, the fixed arc cover that is equipped with the right side of right angle water pipe horizontal end part place the chamber parcel, the arc cover fixed be equipped with connecting plate fixed connection's dead lever, be equipped with on the suction pump with the communicating suction pump of external water pipe.
The invention has the beneficial effects that: the invention adopts a circular ring type structure with rotary and replaceable positions to realize the transmission work of sharp surgical instruments, the pedal slides through the ball body and the upper and lower trapezoidal blocks, so that the electric lifting rod rotates ninety degrees after being treaded each time, thereby rotating the circular ring, in addition, the used surgical instruments are simply washed, cleaned and disinfected, the circular rotary transmission effectively distinguishes and isolates the unused surgical instruments and the used surgical instruments, the surgical instruments are prevented from being polluted due to mutual touch, meanwhile, the sharp cutting edge end of the surgical instrument does not face to doctors or nurses, and the probability of being cut in the transmission process is reduced.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall configuration of a sharp surgical instrument ring shaped transfer organizer of the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
fig. 5 is a schematic view of the structure inside the dispensing tube of fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to an annular transmission and arrangement device of a sharp surgical instrument, which is mainly applied to the annular transmission and arrangement process of the sharp surgical instrument, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to an annular transmission finishing device of a sharp surgical instrument, which comprises a base 11, wherein a through cavity 12 is arranged in the base 11, sliding cavities 14 are symmetrically arranged on the inner walls of the front side and the rear side of the through cavity 12, a rotary table 15 is connected in the sliding cavities 14 in a sliding manner, an electric lifting rod 36 is arranged on the upper side of the rotary table 15, a pedal device 901 is arranged between the base 11 and the electric lifting rod 36, the pedal device 901 comprises four upper trapezoidal blocks 37 which are fixedly connected with the electric lifting rod 36 and are distributed in an annular array manner, four lower trapezoidal blocks 13 which are fixedly connected with the electric lifting rod 36 and are configured in a staggered manner with the upper trapezoidal blocks 37, a pedal 39 which is rotatably connected with the inner wall of the through cavity 12, round balls 38 which are fixedly connected with the pedal 39 and are respectively connected with the upper trapezoidal blocks 37 and the lower trapezoidal blocks 13 in a sliding manner, the pedal 39 rotates the electric lifting rod 36 by the sliding of the round balls 38 and the lower trapezoidal blocks 13 by forty-five degrees, the electric lifting rod 36 rotates forty-five degrees through the sliding connection between the electric lifting rod 36 and the upper trapezoidal block 37, the electric lifting rod 36 rotates ninety degrees totally after each foot step, the electric lifting rod 36 is provided with an exchanging device 902, the exchanging device 902 comprises a rotating ring 31 fixedly connected with the electric lifting rod 36, four placing cavities 35 which are positioned on the rotating ring 31 and distributed in an annular array, surgical instruments are placed in the placing cavities 35, the upper side of the base 11 is provided with a cleaning device 903 positioned at the right end of the through cavity 12, the cleaning device 903 comprises a telescopic rod 18 fixedly connected with the upper side of the base 11, a connecting plate 22 fixedly connected with the upper end of the telescopic rod 18, a transmission box 28 fixedly connected with the connecting plate 22, a liquid medicine tank 24 fixedly connected with the upper side of the transmission box 28, and a throwing pipe 23 which is slidably connected with the liquid medicine tank 24 and is slidably connected with the placing cavity 35 on the right side, the throwing pipe 23 goes up and down to slide, so that the cleaning liquid in the liquid medicine tank 24 is conveyed to the placing cavity 35 to wash surgical instruments, the transmission box 28 is provided with a driving device 904 for driving the throwing pipe 23 to go up and down, and the upper side of the base 11 is provided with an absorption device 905 for absorbing the cleaning liquid on the right side in the placing cavity 35.
According to an embodiment, the pedal device 901 is described in detail below, the pedal device 901 further comprises a torque spring 40 connected between the pedal 39 and the inner wall of the through cavity 12, and the elastic force return of the torque spring 40 provides the power for rotating the pedal 39 after the sole is removed.
According to an embodiment, the following detailed description of the exchanging device 902 is provided, the exchanging device 902 further includes a through hole 32 located on the inner wall of the upper end of the placing cavity 35, two cover plates 33 which are symmetrical about the center of the through hole 32 and have torsion springs are rotatably connected in the through hole 32, a limiting rod 34 located on the lower side of the through hole 32 is fixedly arranged on the inner wall of the bottom end of the placing cavity 35, the cover plate 33 can be pushed by external force to rotate to open the through hole 32, and the through hole 32 can also be closed by the torsion springs after the external force is removed.
According to an embodiment, the cleaning device 903 is described in detail below, the cleaning device 903 further includes a water storage cavity 41 located in the input pipe 23, an isolation cavity 44 is arranged on the lower side of the water storage cavity 41, symmetrical drain holes 42 are arranged on the inner walls of the upper end and the lower end of the isolation cavity 44 in a penetrating manner, a throat plug 43 abutted against the limiting rod 34 is connected to the drain hole 42 in a sliding manner, and the throat plug 43 is pushed by the limiting rod 34 to move up and down, so that the drain hole 42 is opened, and the cleaning liquid in the water storage cavity 41 can flow out.
According to the embodiment, the driving device 904 is described in detail below, the driving device 904 includes a transmission cavity 29 located in the transmission box 28, the inner wall of the lower side of the transmission cavity 29 is rotatably connected to the electric lifting rod 36, a driven shaft 45 extending to the outer side of the upper end is rotatably connected to the transmission cavity 29, a rotary barrel 26 located on the upper side of the transmission box 28 is disposed on the driven shaft 45, a wave groove 27 is disposed on the rotary barrel 26, a shift lever 25 fixedly connected to the projection pipe 23 is slidably connected to the wave groove 27, a secondary gear 46 located in the transmission cavity 29 is disposed on the driven shaft 45, a main gear 30 engaged with the secondary gear 46 is disposed on the upper end of the electric lifting rod 36, the electric lifting rod 36 rotates to rotate the driven shaft 45 by the engagement of the main gear 30 and the secondary gear 46, and the driven shaft 45 drives the rotary barrel 26 to rotate, the rotating barrel 26 depends on the inner wall of the wave groove 27 to limit the shift lever 25 to drive the throwing pipe 23 to lift and slide.
According to the embodiment, the following detailed description is given to the absorbing device 905, the absorbing device 905 include with 11 upside fixed connection's of base fixed water pipe 16, fixed water pipe 16 upper end sliding connection's right angle water pipe 19, the fixed arc cover 20 that is equipped with the right side with the horizontal tip of right angle water pipe 35 parcel of placing, the fixed dead lever 21 that is equipped with on the arc cover 20 with connecting plate 22 fixed connection, be equipped with on the suction pump 17 with the communicating suction pump 17 of external water pipe, the connecting plate 22 moves up to pass through the dead lever 21 drives the arc cover 20 with the right angle water pipe 19 shifts up in step, and through the suction pump 17 place the interior clearance liquid of chamber 35 and absorb away.
The steps for using a sharp surgical instrument ring shaped transfer organizer herein are described in detail below with reference to figures 1-5:
initially, the electric current is controlled to move the electric lifting rod 36 upwards to provide a proper height, the shifting rod 25 is close to one side of the liquid medicine tank 24, the throwing pipe 23 does not slide into the placing cavity 35, the cover plate 33 is horizontally unfolded, the through hole 32 is sealed, the electric lifting rod 36 is contracted, and the water suction pump 17 is closed.
When the surgical instruments are transferred, a nurse puts the surgical instruments to be used in the left placing cavity 35, the surgical instruments used by a doctor are put in the front placing cavity 35, the nurse steps on the pedal 39 to turn the pedal downwards, so that the electric lifting rod 36 can be rotated by forty-five degrees through the inclined sliding of the round ball 38 and the lower trapezoidal block 13, meanwhile, the torque spring 40 continues to have elastic potential energy, after the foot leaves the pedal 39, the torque spring 40 elastically recovers to drive the pedal 39 to turn upwards, and then the electric lifting rod 36 continues to be rotated by forty-five degrees through the inclined sliding of the round ball 38 and the upper trapezoidal block 37, so that the left placing cavity 35 is rotated to the front position, the holding of the doctor is facilitated, the front placing cavity 35 is rotated to the right position, and the cleaning and the disinfection are facilitated;
at this time, the electric lifting rod 36 rotates to rotate the driven shaft 45 through the meshing of the main gear 30 and the auxiliary gear 46, and then the driven shaft 45 drives the rotary barrel 26 to rotate, the rotary barrel 26 limits the poking rod 25 to drive the throwing pipe 23 to lift and slide by means of the inner wall of the wave groove 27, when the throwing pipe 23 moves downwards to push the cover plate 33 to overturn and slide into the placing cavity 35, the limiting rod 34 is in contact with the throat plug 43 and pushes the throat plug 43 to move upwards relative to the throwing pipe 23, and the drainage hole 42 is communicated, so that the cleaning liquid flows into the placing cavity 35 on the right side from the liquid medicine tank 24 sequentially through the water storage cavity 41, the drainage hole 42 and the isolation cavity 44 to wash the used surgical instrument, and the water suction pump 17 is started to discharge the cleaning liquid on the right side through the arc-shaped cover 20 and the right-angle water pipe 19, and the placing cavity 35 on the right side rotates to a rear position after the pedal 39 is stepped on the next time.
The invention has the beneficial effects that: the invention adopts a circular ring type structure with rotary and replaceable positions to realize the transmission work of sharp surgical instruments, the pedal slides through the ball body and the upper and lower trapezoidal blocks, so that the electric lifting rod rotates ninety degrees after being treaded each time, thereby rotating the circular ring, in addition, the used surgical instruments are simply washed, cleaned and disinfected, the circular rotary transmission effectively distinguishes and isolates the unused surgical instruments and the used surgical instruments, the surgical instruments are prevented from being polluted due to mutual touch, meanwhile, the sharp cutting edge end of the surgical instrument does not face to doctors or nurses, and the probability of being cut in the transmission process is reduced.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (1)
1. The utility model provides an annular transmission finishing device of sharp surgical instruments, includes the base, be equipped with in the base and run through the chamber, the chamber is slided in being equipped with of side inner wall symmetry around running through the chamber, sliding connection has the carousel in the chamber, the carousel upside is equipped with electric lift pole, its characterized in that: a pedal device is arranged between the base and the electric lifting rod; the pedal device comprises four upper trapezoidal blocks fixedly connected with the electric lifting rod and distributed in an annular array, four lower trapezoidal blocks fixedly connected with the electric lifting rod and configured in a staggered manner with the upper trapezoidal blocks, a pedal rotatably connected with the inner wall of the through cavity, and balls fixedly connected with the pedal and respectively connected with the upper trapezoidal blocks and the lower trapezoidal blocks in a sliding manner, the pedal rotates the electric lifting rod by forty-five degrees through the sliding of the balls and the lower trapezoidal blocks, and the electric lifting rod rotates by forty-five degrees through the sliding connection of the electric lifting rod and the upper trapezoidal blocks, so that the electric lifting rod rotates by ninety degrees after each foot is stepped; the electric lifting rod is provided with a replacing device which comprises a rotating ring fixedly connected with the electric lifting rod and four placing cavities which are positioned on the rotating ring and distributed in an annular array, the placing cavity is used for placing surgical instruments, the upper side of the base is provided with a cleaning device positioned at the right end of the through cavity, the cleaning device comprises a telescopic rod fixedly connected with the upper side of the base and a connecting plate fixedly connected with the upper end of the telescopic rod, a transmission case fixedly connected with the connecting plate, a liquid medicine tank fixedly connected with the upper side of the transmission case, a throwing pipe which is connected with the liquid medicine tank in a sliding way and is connected with the placing cavity on the right side in a sliding way, the putting pipe is lifted and slides to send the cleaning fluid in the liquid medicine tank to the placing cavity to wash surgical instruments, a driving device for driving the throwing pipe to ascend and descend is arranged on the transmission case, and an absorption device for absorbing the cleaning liquid in the right placing cavity is arranged on the upper side of the base; the pedal device also comprises a torque spring connected between the pedal and the inner wall of the through cavity; the replacing device also comprises a through hole positioned on the inner wall of the upper end of the placing cavity, the through hole is rotationally connected with two cover plates which are symmetrical relative to the center of the through hole and are provided with torsion springs, and a limiting rod positioned on the lower side of the through hole is fixedly arranged on the inner wall of the bottom end of the placing cavity; the cleaning device also comprises a water storage cavity positioned in the throwing pipe, an isolation cavity is arranged at the lower side of the water storage cavity, symmetrical drain holes are arranged on the inner walls of the upper end and the lower end of the isolation cavity in a penetrating manner, and a throat plug abutted against the limiting rod is connected on the drain holes in a sliding manner; the driving device comprises a transmission cavity positioned in the transmission box, the inner wall of the lower side of the transmission cavity is rotatably connected with the electric lifting rod, a driven shaft extending to the outer side of the upper end is rotatably connected in the transmission cavity, a rotary barrel positioned on the upper side of the transmission box is arranged on the driven shaft, a wave groove is arranged on the rotary barrel, a driving lever fixedly connected with the throwing pipe is connected in the wave groove in a sliding mode, a secondary gear positioned in the transmission cavity is arranged on the driven shaft, and a main gear meshed and connected with the secondary gear is arranged at the upper end of the electric lifting rod; the absorbing device comprises a fixed water pipe fixedly connected with the upper side of the base, the upper end of the fixed water pipe is slidably connected with a right-angle water pipe, the horizontal end part of the right-angle water pipe is fixedly provided with a right side, an arc cover for containing the cavity package is fixedly provided with a fixing rod fixedly connected with the connecting plate, and a water suction pump communicated with an external water pipe is arranged on the fixed water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080981.0A CN111110365B (en) | 2020-02-05 | 2020-02-05 | Annular transmission finishing device of sharp surgical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080981.0A CN111110365B (en) | 2020-02-05 | 2020-02-05 | Annular transmission finishing device of sharp surgical instruments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111110365A CN111110365A (en) | 2020-05-08 |
| CN111110365B true CN111110365B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010080981.0A Expired - Fee Related CN111110365B (en) | 2020-02-05 | 2020-02-05 | Annular transmission finishing device of sharp surgical instruments |
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| Country | Link |
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| CN (1) | CN111110365B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114587625A (en) * | 2022-03-08 | 2022-06-07 | 复旦大学附属华山医院 | A fixing device for uropoiesis surgical instrument |
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|---|---|---|---|---|
| CN103974785A (en) * | 2011-09-09 | 2014-08-06 | 吉恩-艾伯特·德普雷 | System for storing items in predetermined storage containers |
| CN107647917A (en) * | 2017-10-27 | 2018-02-02 | 山东中医药大学 | A kind of Multifunction operating appliances deliver sterilization storage device and its application method automatically |
| CN108553180A (en) * | 2018-05-15 | 2018-09-21 | 成都冠禹科技有限公司 | A kind of sterile care device of debridement suitable for department of general surgery |
| CN108938104A (en) * | 2018-08-01 | 2018-12-07 | 刘昭阳 | A kind of Multifunction operating appliances automatic transmitting and transmission method |
| CN209059459U (en) * | 2018-02-28 | 2019-07-05 | 华北石油管理局总医院 | A kind of operating room Medical tray that convenience places surgical instrument |
| CN110464485A (en) * | 2019-08-26 | 2019-11-19 | 青岛市第三人民医院 | A kind of medical oncology clinical treatment operation auxiliary device |
-
2020
- 2020-02-05 CN CN202010080981.0A patent/CN111110365B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103974785A (en) * | 2011-09-09 | 2014-08-06 | 吉恩-艾伯特·德普雷 | System for storing items in predetermined storage containers |
| CN107647917A (en) * | 2017-10-27 | 2018-02-02 | 山东中医药大学 | A kind of Multifunction operating appliances deliver sterilization storage device and its application method automatically |
| CN209059459U (en) * | 2018-02-28 | 2019-07-05 | 华北石油管理局总医院 | A kind of operating room Medical tray that convenience places surgical instrument |
| CN108553180A (en) * | 2018-05-15 | 2018-09-21 | 成都冠禹科技有限公司 | A kind of sterile care device of debridement suitable for department of general surgery |
| CN108938104A (en) * | 2018-08-01 | 2018-12-07 | 刘昭阳 | A kind of Multifunction operating appliances automatic transmitting and transmission method |
| CN110464485A (en) * | 2019-08-26 | 2019-11-19 | 青岛市第三人民医院 | A kind of medical oncology clinical treatment operation auxiliary device |
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| CN111110365A (en) | 2020-05-08 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Miao Yuanxin Inventor after: Liu Su Inventor after: Hu Chunnan Inventor after: Jiao Hui Inventor before: Jiao Hui |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201014 Address after: 266000 Jiangsu Road, Shandong, China, No. 16, No. Applicant after: THE AFFILIATED HOSPITAL OF QINGDAO University Address before: 315700 No.97 Xingsheng Road, Dandong Street, Xiangshan County, Ningbo City, Zhejiang Province Applicant before: Xiangshan Changfeng Medical Equipment Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 Termination date: 20220205 |