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CN113349726A - Electronic mechanical arm pyeloscope capable of being adjusted in multiple directions - Google Patents

Electronic mechanical arm pyeloscope capable of being adjusted in multiple directions Download PDF

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Publication number
CN113349726A
CN113349726A CN202110639191.6A CN202110639191A CN113349726A CN 113349726 A CN113349726 A CN 113349726A CN 202110639191 A CN202110639191 A CN 202110639191A CN 113349726 A CN113349726 A CN 113349726A
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China
Prior art keywords
pyeloscope
plate
disc
fixedly connected
transmission
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Granted
Application number
CN202110639191.6A
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Chinese (zh)
Other versions
CN113349726B (en
Inventor
雷亚康
梁瑶
易路
韦博仁
邹清红
李远伟
陈志勇
沈佳婷
赵应香
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.)
Hunan Zhongju Endoscope Co ltd
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Hunan Zhongju Endoscope Co ltd
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Priority to CN202110639191.6A priority Critical patent/CN113349726B/en
Publication of CN113349726A publication Critical patent/CN113349726A/en
Application granted granted Critical
Publication of CN113349726B publication Critical patent/CN113349726B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/307Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the urinary organs, e.g. urethroscopes, cystoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00131Accessories for endoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00147Holding or positioning arrangements

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Urology & Nephrology (AREA)
  • Manipulator (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to an electronic mechanical arm pyeloscope capable of being adjusted in multiple directions, which comprises a base and a support plate fixedly arranged on the base, wherein one side of the support plate is provided with a transmission disc, the transmission disc is connected with a driving assembly arranged on the other side of the support plate, one side of the transmission disc, which is far away from the driving assembly, is provided with a fixing assembly fixedly connected with the driving assembly, the fixing assembly is driven to turn ninety degrees through the transmission disc when the driving assembly works and simultaneously drives an upright moving assembly arranged on the support plate to work, the fixing assembly is driven to rotate along with the transmission disc when the transmission disc rotates, the upright moving assembly is driven to work through the transmission belt when the transmission disc rotates, the transmission disc is driven to vertically descend when the upright moving assembly works, so that the electronic mechanical arm pyeloscope can be stretched or stored in practical use, and has high stability, also can play the function of setoff when in practical use, and reduce the work content of medical personnel.

Description

Electronic mechanical arm pyeloscope capable of being adjusted in multiple directions
Technical Field
The invention relates to a mechanical arm, in particular to an electronic mechanical arm pyeloscope capable of being adjusted in multiple directions.
Background
Pyeloscope is an auxiliary diagnostic method for checking the normality of the kidneys. Uretero-pyeloscope examination is an important development of the technology of the urinary endoscope, changes the traditional concept that the ureter part is difficult to visually inspect for a long time and open surgery treatment is required for ureter diseases, and the ureteroscope can be divided into two types of diagnosis and treatment according to the use application.
The kidney is a dark red parenchyma organ which is similar to broad bean in shape and has smooth surface and can be divided into an upper end, a lower end, a front surface, a rear surface, an inner edge and an outer edge.
The pyeloscope is usually held by medical staff when inserted into a patient, the method has extremely strict requirements on that arms of the medical staff are not shaken in a completely static state, and then the pyeloscope is clamped by using a clamp.
Disclosure of Invention
The invention aims to provide an electronic mechanical arm pyeloscope capable of being adjusted in multiple directions, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an electronic mechanical hand pyeloscope that can multidirectionally adjust, electronic mechanical hand pyeloscope that can multidirectionally adjust includes base and fixed mounting is in backup pad on the base, one side of backup pad is provided with the driving disc, the driving disc is connected and is established the drive assembly of backup pad opposite side, the driving disc is kept away from one side of drive assembly is provided with fixed connection's fixed subassembly with it drive fixed subassembly ninety degrees that overturns through the driving disc during drive assembly work, and drives the setting simultaneously and be in erect removal subassembly work in the backup pad, drive when erectting removal subassembly work the driving disc descends.
As a further scheme of the invention: the fixing component comprises a fixing plate fixedly installed on one side of the driving component, the driving plate is far away from one end of the driving plate, the fixing plate is fixedly connected with the pyeloscope body through a clamping component, and a circuit is arranged on the pyeloscope body.
As a still further scheme of the invention: the driving component is provided with a through groove arranged on the supporting plate;
the motor is characterized by further comprising a fixing plate connected with the supporting plate through a guide assembly, a motor fixedly connected with the fixing plate is arranged on one side, away from the supporting plate, of the fixing plate, and an output shaft of the motor output end penetrates through the fixing plate and is fixedly connected with the transmission disc.
As a further scheme of the invention: the vertical moving assembly comprises a rack plate fixedly mounted on the supporting plate, a gear meshed with the rack plate is arranged on one side of the rack plate, the gear is rotatably connected with the transmission disc through a connecting plate rotatably connected with the gear, a first guide sleeve fixedly connected with the connecting plate is arranged in the connecting plate, a first guide rod which slides and is fixedly connected with the base is arranged on the inner side of the first guide sleeve, and a rotating shaft of the gear is also rotatably connected with a rotating shaft of the transmission disc through a transmission belt;
the connecting plate is rotatably connected with the transmission disc, is far away from the telescopic assembly on one side of the driving assembly, and drives the telescopic assembly to work through the transmission disc when the connecting plate is vertically descended.
As a still further scheme of the invention: the clamping component comprises a second connecting disc and a first connecting disc which are consistent in size and thickness, and the first connecting disc is fixedly connected with the pyeloscope body;
at least four limiting grooves are arranged at the offset position of the first connecting disc, the limiting grooves are matched with four limiting bulges arranged at the eccentric position of the second connecting disc, a clamping groove is also arranged at the center of the telescopic rod, the clamping groove is matched with a buckle arranged on the second connecting disc, the buckle penetrates through the second connecting disc and is rotationally connected with the buckle, one side of the second connecting disc, far away from the limiting bulges, is provided with a rotary pinching block fixedly connected with the buckle rotating shaft,
the second connecting disc is far away from one side of the limiting protrusion, and the limiting block is used for limiting the stroke of the rotating holding and pinching block.
As a still further scheme of the invention: the flexible subassembly is installed including rotating the driving disc is kept away from the telescopic cylinder of drive assembly one side, telescopic cylinder's inboard is provided with sliding connection and fixed connection with it telescopic link on the base, just one side of telescopic cylinder still is provided with the fixed connection fixed block with it, the fixed block is through running through the fixed block and with fixed block sliding connection's slide bar fixed connection the base, the outside of slide bar still is provided with sliding connection the base with the spring of fixed block.
As a still further scheme of the invention: the guide assembly comprises two second guide rods fixedly installed on two sides of the through groove, a second guide sleeve in sliding connection with the second guide rods is arranged on the outer side of each second guide rod, and the second guide sleeves are fixedly connected with the fixing plate.
Compared with the prior art, the invention has the beneficial effects that: drive the transmission disc when drive assembly during operation and rotate exactly the degree, drive fixed subassembly when the transmission disc rotates and follow the rotation, still drive through the drive belt when the transmission disc rotates and erect removal subassembly work, drive the transmission disc when erectting removal subassembly work and erect the decline to extension or accomodating when the real time, and stability is high, also can play the effect of setoff when practical, reduces medical personnel's work content, and does not have the shake at the in-process of setoff.
Drawings
Fig. 1 is a structural schematic diagram of a multi-directionally adjustable electronic manipulator pyeloscope.
Fig. 2 is a rear view of a multi-directionally adjustable robotic pyeloscope.
Fig. 3 is a schematic structural diagram of a snap-fit assembly in a multi-directionally adjustable robotic pyeloscope.
Fig. 4 is a rear view of a second coupling pad in a multi-directionally adjustable, electronic robotic pyeloscope.
In the figure: 1-supporting plate, 2-rack plate, 3-gear, 4-first guide rod, 5-connecting plate, 6-first guide sleeve, 7-driving disc, 8-driving plate, 9-telescopic cylinder, 10-sliding rod, 11-spring, 12-telescopic rod, 13-first connecting disc, 14-pyeloscope body, 15-circuit, 16-second guide sleeve, 17-fixing plate, 18-motor, 19-second guide rod, 20-through groove, 21-second connecting disc, 22-limiting protrusion, 23-buckle, 24-limiting groove, 25-clamping groove, 26-rotary holding block and 27-limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in an embodiment of the present invention, the multi-direction adjustable electronic mechanical arm pyeloscope includes a base and a supporting plate 1 fixedly mounted on the base, a transmission disc 7 is disposed on one side of the supporting plate 1, the transmission disc 7 is connected to a driving assembly disposed on the other side of the supporting plate 1, a fixing assembly fixedly connected to one side of the transmission disc 7, which is far away from the driving assembly, is disposed on one side of the transmission disc 7, the fixing assembly is driven by the transmission disc 7 to turn over ninety degrees when the driving assembly works, and simultaneously, a vertical moving assembly disposed on the supporting plate 1 is driven to work, and the transmission disc 7 is driven to descend when the vertical moving assembly works.
In the embodiment of the invention, when the driving component works, the driving disk 7 is driven to rotate, when the driving disk 7 rotates, the fixed component is driven to rotate along with the driving disk, when the driving disk 7 rotates, the vertical moving component is driven to work through the driving belt, when the vertical moving component works, the driving disk 7 is driven to vertically descend, so that the vertical moving component can be extended or stored in a practical way, the stability is high, the vertical moving component can also play a role of a susceptor in practical use, the working content of medical personnel is reduced, and no shake exists in the process of susceptor.
In another embodiment of the present invention, the fixing assembly includes a driving plate 8 fixedly mounted on one side of the driving plate 7 far away from the driving assembly, one end of the driving plate 8 far away from the driving plate 7 is fixedly connected to a pyeloscope body 14 through a snap-fit assembly, and a line 15 is arranged on the pyeloscope body 14.
In the embodiment of the invention, when the transmission disc 7 rotates, the transmission plate 8 is driven to rotate along with the transmission disc, and when the transmission plate 9 rotates, the pyeloscope body 14 is driven to move along with the transmission disc through the clamping component;
it should be noted that the circuit 15 needs to be checked into the required device in practical use.
In another embodiment of the present invention, the driving assembly includes a through slot 20 formed on the supporting plate 1;
still include to connect through guide assembly the fixed plate 17 of backup pad 1, fixed plate 17 keep away from one side of backup pad 1 be provided with fixed plate 17 fixed connection's motor 18, the output shaft of motor 18 output runs through fixed plate 17 fixed connection drive plate 7.
In the embodiment of the invention, when the motor 18 works, the output shaft at the output end drives the transmission disc 7 to rotate, and when the vertical moving component works, the motor 18 is driven to vertically descend, and at the moment, the output shaft moves in the through groove 20 and drives the guide component to work at the same time.
In another embodiment of the present invention, the vertical moving assembly comprises a rack plate 2 fixedly mounted on the support plate 1, a gear 3 engaged with one side of the rack plate 2 is arranged on one side of the rack plate 2, the gear 3 is rotatably connected with the transmission disc 7 through a connecting plate 5 rotatably connected with the gear 3, a first guide sleeve 6 fixedly connected with the connecting plate 5 is arranged in the connecting plate 5, a first guide rod 4 sliding with the first guide sleeve 6 and fixedly connected with the base is arranged on the inner side of the first guide sleeve 6, and the rotating shaft of the gear 3 is further rotatably connected with the rotating shaft of the transmission disc 7 through a transmission belt;
still including rotating the connection driving disc 7 keeps away from drive assembly one side telescopic component erects when descending through driving disc 7 drive telescopic component work when connecting plate 5.
In the embodiment of the invention, the gear 3 is driven to rotate by the transmission belt when the transmission disc 7 rotates, the gear 3 moves downwards due to the existence of the rack plate 2 when rotating, the transmission plate 7 is driven to move along by the connecting plate 5 when the gear 3 moves, the stability is improved by the first guide rod 4, and the telescopic assembly is driven to work when the transmission plate 7 moves.
In another embodiment of the present invention, the clamping component includes two pieces of second connecting discs 21 and first connecting discs 13 with the same size and thickness, and the first connecting discs 13 are fixedly connected to the pyeloscope body 14;
at least four limiting grooves 24 are formed in the offset position of the first connecting disc 13, the limiting grooves 24 are matched with four limiting protrusions 22 arranged at the eccentric position of the second connecting disc 21, a clamping groove 25 is further formed in the center of the telescopic rod 12, the clamping groove 25 is matched with a buckle 23 arranged on the second connecting disc 21, the buckle 23 penetrates through the second connecting disc 21 and is rotatably connected with the buckle 23, a rotating holding and pinching block 26 fixedly connected with the rotating shaft of the buckle 23 is arranged on one side, away from the limiting protrusions 22, of the second connecting disc 21,
the limiting block 27 is arranged on one side, far away from the limiting protrusion 22, of the second connecting disc 21 and used for limiting the stroke of the rotary holding and pinching block 26.
In the embodiment of the invention, the second connecting disc 21 and the first connecting disc 13 are not contacted in a non-working state, when the two are required to be clamped, the four limiting protrusions 22 and the buckles 23 are inserted into the limiting grooves 24 and the clamping grooves 25, then the rotary holding and pinching block 26 is rotated to enable the buckles 23 to be clamped with the clamping grooves 25, and the rotary holding and pinching block 26 is limited through the limiting blocks 27.
In another embodiment of the present invention, the telescopic assembly includes a telescopic cylinder 9 rotatably mounted on a side of the transmission disc 7 away from the driving assembly, a telescopic rod 12 slidably connected to the telescopic cylinder 9 and fixedly connected to the base is disposed on an inner side of the telescopic cylinder 9, a fixed block fixedly connected to the telescopic cylinder 9 is further disposed on one side of the telescopic cylinder, the fixed block is fixedly connected to the base through a sliding rod 10 penetrating through the fixed block and slidably connected to the fixed block, and a spring 11 slidably connecting the base and the fixed block is further disposed on an outer side of the sliding rod 10.
In the embodiment of the invention, when the driving plate 7 vertically descends, the telescopic cylinder 9 is driven to descend, when the telescopic cylinder 9 descends, the telescopic cylinder slides outside the telescopic rod 12, and simultaneously, the fixed block is driven to move along, when the fixed block moves, the spring 11 is compressed, so that the stability of the driving plate 7 is improved, and when the driving assembly does not work, the spring 11 is used as a main supporting force.
In another embodiment of the present invention, the guiding assembly includes two second guiding rods 19 fixedly installed at two sides of the through slot 20, a second guiding sleeve 16 slidably connected to the second guiding rods 19 is disposed outside the second guiding rods 19, and the second guiding sleeve 16 is fixedly connected to the fixing plate 17.
In the embodiment of the invention, when the transmission plate 7 is vertically descended, the motor 18 is driven to vertically descend through the output shaft of the motor 18, and when the motor 18 is descended, the second guide sleeve 16 is driven to vertically move outside the second guide rod 19 through the fixing plate 17.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides an electronic mechanical hand pyeloscope that can multidirectionally adjust, a serial communication port, electronic mechanical hand pyeloscope that can multidirectionally adjust includes base and fixed mounting is in backup pad (1) on the base, one side of backup pad (1) is provided with driving disc (7), driving disc (7) are connected and are established the drive assembly of backup pad (1) opposite side, driving disc (7) are kept away from one side of drive assembly is provided with fixed connection's fixed subassembly with it the ninety degrees degree of fixed subassembly upset is driven through driving disc (7) during drive assembly work, and drives the setting simultaneously and be in erect removal subassembly work on backup pad (1), drive when erectting removal subassembly work driving disc (7) descend.
2. The multi-directionally adjustable electronic manipulator pyeloscope according to claim 1, wherein the fixing component comprises a transmission plate (8) fixedly installed on one side of the transmission disc (7) far away from the driving component, one end of the transmission plate (8) far away from the transmission disc (7) is fixedly connected with a pyeloscope body (14) through a clamping component, and a line (15) is arranged on the pyeloscope body (14).
3. A multi-directionally adjustable, electronic robotic pyeloscope as claimed in claim 1, wherein said drive assembly includes a through slot (20) provided on said support plate (1);
still include to connect through direction subassembly fixed plate (17) of backup pad (1), fixed plate (17) are kept away from one side of backup pad (1) be provided with fixed plate (17) fixed connection's motor (18), the output shaft of motor (18) output runs through fixed plate (17) fixed connection driving disc (7).
4. The multi-directional adjustable electronic mechanical arm pyeloscope according to claim 1, wherein the vertical moving assembly comprises a rack plate (2) fixedly mounted on the support plate (1), a gear (3) engaged with one side of the rack plate (2) is arranged on one side of the rack plate, the gear (3) is rotatably connected with the transmission disc (7) through a connecting plate (5) rotatably connected with the gear, a first guide sleeve (6) fixedly connected with the connecting plate (5) is arranged in the connecting plate (5), a first guide rod (4) sliding with the first guide sleeve (6) and fixedly connected with the base is arranged on the inner side of the first guide sleeve (6), and a rotating shaft of the gear (3) is also rotatably connected with a rotating shaft of the transmission disc (7) through a transmission belt;
still including rotating the connection drive plate (7) are kept away from drive assembly one side telescopic component erects when descending through drive plate (7) and drives telescopic component work when connecting plate (5).
5. The multi-directionally adjustable electronic robotic pyeloscope of claim 2, wherein the snap-fit assembly comprises two second connecting discs (21) and a first connecting disc (13) having a uniform size and thickness, the first connecting disc (13) being fixedly connected to the pyeloscope body (14);
at least four limiting grooves (24) are formed in the deviation position of the first connecting disc (13), the limiting grooves (24) are matched with four limiting bulges (22) arranged at the eccentric position of the second connecting disc (21), a clamping groove (25) is further formed in the center of the telescopic rod (12), the clamping groove (25) is matched with a buckle (23) arranged on the second connecting disc (21), the buckle (23) penetrates through the second connecting disc (21) and is rotatably connected with the buckle (23), a rotating holding and pinching block (26) fixedly connected with a rotating shaft of the buckle (23) is arranged on one side, away from the limiting bulges (22), of the second connecting disc (21),
the limiting block (27) is arranged on one side, far away from the limiting protrusion (22), of the second connecting disc (21) and used for limiting the stroke of the rotary holding and pinching block (26).
6. The multi-directionally adjustable electronic mechanical hand pyeloscope according to claim 4, wherein the telescopic assembly comprises a telescopic cylinder (9) rotatably mounted on one side of the transmission disc (7) far away from the driving assembly, a telescopic rod (12) slidably connected with the telescopic cylinder and fixedly connected to the base is arranged on the inner side of the telescopic cylinder (9), a fixed block fixedly connected with the telescopic cylinder is further arranged on one side of the telescopic cylinder (9), the fixed block is fixedly connected to the base through a sliding rod (10) penetrating through the fixed block and slidably connected with the fixed block, and a spring (11) slidably connected with the base and the fixed block is further arranged on the outer side of the sliding rod (10).
7. A multi-directional adjustable electronic mechanical pyeloscope according to claim 3, wherein the guiding assembly comprises two second guiding rods (19) fixedly installed at both sides of the through slot (20), a second guiding sleeve (16) slidably connected with the second guiding rods (19) is arranged at the outer side of the second guiding rods (19), and the second guiding sleeve (16) is fixedly connected with the fixing plate (17).
CN202110639191.6A 2021-06-08 2021-06-08 Electronic mechanical arm pyeloscope capable of being adjusted in multiple directions Active CN113349726B (en)

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CN202110639191.6A CN113349726B (en) 2021-06-08 2021-06-08 Electronic mechanical arm pyeloscope capable of being adjusted in multiple directions

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Application Number Priority Date Filing Date Title
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CN113349726B CN113349726B (en) 2023-04-07

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103356294A (en) * 2013-08-07 2013-10-23 吴开俊 Auxiliary mechanical arm for soft lens operation and method for achieving same
CN210931611U (en) * 2019-07-31 2020-07-07 俞敏 Intracardiac branch of academic or vocational study nursing is with pressing hemostasis device
CN111557737A (en) * 2020-01-14 2020-08-21 杭州法博激光科技有限公司 Mechanical arm system suitable for ureter lithotripsy soft lens operation
CN211409214U (en) * 2019-07-15 2020-09-04 王群立 Intracardiac branch of academic or vocational study hemostasis device
CN211432819U (en) * 2019-12-25 2020-09-08 郝志林 Device for assisting operation of choledochoscope
CN112515717A (en) * 2020-12-14 2021-03-19 张�浩 Semi-automatic control type surgical retractor for lumbar vertebra fracture surgery

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103356294A (en) * 2013-08-07 2013-10-23 吴开俊 Auxiliary mechanical arm for soft lens operation and method for achieving same
CN211409214U (en) * 2019-07-15 2020-09-04 王群立 Intracardiac branch of academic or vocational study hemostasis device
CN210931611U (en) * 2019-07-31 2020-07-07 俞敏 Intracardiac branch of academic or vocational study nursing is with pressing hemostasis device
CN211432819U (en) * 2019-12-25 2020-09-08 郝志林 Device for assisting operation of choledochoscope
CN111557737A (en) * 2020-01-14 2020-08-21 杭州法博激光科技有限公司 Mechanical arm system suitable for ureter lithotripsy soft lens operation
CN112515717A (en) * 2020-12-14 2021-03-19 张�浩 Semi-automatic control type surgical retractor for lumbar vertebra fracture surgery

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