GB2496376A - Audio visual camera support for operating theatre - Google Patents

Audio visual camera support for operating theatre Download PDF

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Publication number
GB2496376A
GB2496376A GB1118909.9A GB201118909A GB2496376A GB 2496376 A GB2496376 A GB 2496376A GB 201118909 A GB201118909 A GB 201118909A GB 2496376 A GB2496376 A GB 2496376A
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GB
United Kingdom
Prior art keywords
camera
text
boom
support
column
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.)
Withdrawn
Application number
GB1118909.9A
Other versions
GB201118909D0 (en
Inventor
Havard Danielsen
Oystein Horgmo
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.)
Institute for Medical Informatics
Original Assignee
Institute for Medical Informatics
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 Institute for Medical Informatics filed Critical Institute for Medical Informatics
Priority to GB1118909.9A priority Critical patent/GB2496376A/en
Publication of GB201118909D0 publication Critical patent/GB201118909D0/en
Publication of GB2496376A publication Critical patent/GB2496376A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A61B90/50—Supports for surgical instruments, e.g. articulated arms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/14—Special procedures for taking photographs; Apparatus therefor for taking photographs during medical operations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00212—Electrical control of surgical instruments using remote controls
    • 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
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/361—Image-producing devices, e.g. surgical cameras

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Accessories Of Cameras (AREA)
  • Studio Devices (AREA)

Abstract

A camera support 1 for an operating theatre supports an audio-visual camera 12. A camera mounting 10 is attached to a horizontal boom 8 which is attached to a vertical support column 6 on a lifting column 4 arranged to control a height of the vertical support column 6 and boom 8. The column 6 and boom 8 may be made of hollow square (or rectangular) section aluminium tubing and wiring may be provided inside the tubing. A foot switch may be provided on a control box and connected to operate an electrical lifting column. Handles may be mounted on opposite sides of the support column 6 and boom 8. The support 1 is mounted on a base 2 with anti-static wheels 20 on castors 18 that rotate 360O. A separate recording case includes a video recorder which may be disconnected and removed from the operating theatre for processing.

Description

AUDIO VISUAL CAMERA SUPPORT FOR OPERATING THEATRE
Field Of Invention
The invention relates to an audio visual camera support for use in an operating theatre and to an audio visual camera system including a camera mounted on such an audio visual camera support.
Background
Access to the operative field is the photographer's main challenge when recording video of open surgery. The lay-out of the operating theatre, the surgical team and instruments restrict the placement of a video camera.
Cameras are known for a number of applications in an operating theatre. In particular, in one arrangement cameras have been mounted on a surgical light. This attempts to overcome the problem of camera placement. However, from the professional videographer's perspective it has shortcomings.
The main elements restricting camera placement in the operating theatre are: 1. The surgical team. Surgeons and sterile nurses work close to the operative
field, blocking the view from most angles.
2. The operating theatre equipment Both fixed (lamps, ceiling mounted racks etc.) and mobile equipment in the operating theatre restrict the placement of the camera.
3. Anatomical orientation. To be comprehensible to the viewer, the video image in a surgical video needs to be oriented according to the anatomy. In most cases this means that the cranial direction is screen up and the caudal direction screen down. When deviating from this (e.g. operations in the pelvis) it is preferable to choose the surgeon's viewpoint. This further restricts the placement of the camera.
In the opinion of the inventors, the best position for the camera for most surgery is obtained by placing the camera above the operating table. In this position the camela is out of the way of surgical team members and surgical equipment. Correct anatomical orientation is easily achieved. It is not always optimal to place the camera directly above, however. In operations deep in the pelvis and the area close to the coastal arch a steep camera angle is needed to view the anatomy. This can be achieved by placing the camera close to the head (pelvis) and foot (coastal arch) of
the table.
A versatile camera system for operating theatre videography needs to overcome the restrictions mentioned above by allowing of placement the camera above the operating table while still being easy to reposition the support to allow correct orientation.
Summary of Invention
According to the invention, there is provided a camera support according to claim 1.
By providing the combination of a support column of variable height and a boom a suitable camera support is provided that is well adapted to use in an operating theatre.
The plurality of wheels may consist of four anti-static wheels on castors that rotate 360°. By using wheels mounted on castors in this way, easy movement of the camera support may be achieved.
A handle may be provided on each of two opposed sides of the support column. A handle may also be provided on each of two opposed sides of the boom.
The support column and boom may be of square or rectangular hollow tubes, for example square tubes of aluminium. This combines lightness, strength, and the possibility to disinfect the surface. The hollow boom may be supported solely by the vertical support column, i.e. without additional struts, wires or stays. In this way a simple structure is achieved that is appropriate for an operating theatre where it is important to avoid unnecessary intrusions in the area of the operating table.
Cables to the camera may be placed inside the support column and boom leading to the camera mounting. In this way, external cables are avoided.
The lifting column may be an electric lifting column. This may be controlled by a foot switch on a control box on the base, the foot switch being connected to operate the electrical lifting column.
The base may be small. For example, each of the wheels may be separated from adjacent wheels by no more than 0.7m.
A padded ring may be arranged around the camera mounting to protect a camera, in use, as well as to provide a support for surgical drapes when required.
In another aspect, the invention relates to a camera arrangement with an audio visual (AV) camera mounted on the camera mounting.
The camera arrangement may include a separate recording case including a video recorder and a monitor. The video recorder may be removably electrically connectable to the camera support, for example using a plug and socket and a cable, and hence via the camera support to the camera for recording images captured by the camera. The recording case can then be disconnected from the camera support and taken to another location where the captured images can be retrieved, reviewed and processed. The video recorder may be an audio-video recorder! for example a hard drive recorder or an audio visual recorder using tape, flash memory, or other recording media known to those skilled in the ad.
The recording case may also have a remote control. The remote control may be removably electrically connectable to the camera support, for example via a cable and plug and socket arrangement, and hence via the camera support to the camera to control the camera from the remote control.
Brief Description of Drawings
Embodiments of the invention will now be described, purely by way of example, with reference to the accompanying drawings, in which: Figure 1 shows a perspective view of a camera support with a camera mounted thereon, and Figure 2 shows a schematic drawing of a recording unit connected to the camera support and camera.
The figures are purely schematic and not to scale.
Detailed Description
In order to put the camera up and above the operative field, a camera support 1 is designed like a "gallows". A camera 12 is mounted on a camera mounting 10 on the distal end of a horizontal boom 8 that extends from a vertical stand 6 (Fig 1).
This rests on a electric lifting column 4, which both provides a low center of gravity and a motorised height-adjustment of 40 cm. The lifting column 4 is mounted on a base 2.
The base 2 has four wheels 20 on castors 18. The castors 18 can rotate a full 360° about a vertical axis. In the embodiment, the base is substantially "U-shaped with the lifting column 4 mounted on the centre of the "U". The boom 8 extends in the direction of the ends of the "U" from the centre of the "U".
The four wheels 20 are antistatic. They make it easy to move the rig using four handles 14 placed on the stand 6 and boom 8, one handle 14 on each side of each of the stand 6 and boom 8.
A padded ring 16 is placed around the camera 12, to protect the camera from damage and make it easier to place a sterile drape around the camera when that is required.
All the electrical wiring is placed inside the rig. In particular, the rig includes a video cable 24, a remote control cable 26 and an electrical power cable 22. The electrical power cable 22 is connected to an electrical power supply 40 and does not merely supply power to the camera but also to the lifting column 4. The power is turned on/off with a switch on a junction box 28 at the bottom back of the rig.
The lifting column is operated with a foot switch 38 placed on the same box 28.
The rig is made of square, hollow aluminium tubes, and with a normal weight camera the rig does not require a large base to maintain balance. In the embodiment, the distance between adjacent wheels is not greater than 0.7m, for example 0.3m to 0.6m, in the embodiment 0.4m. This makes it possible to place the rig virtually anywhere around the operating table, and very close to the personnel. The boom is long enough to reach the middle of the table, even if the rig is placed at the foot end.
For this reason, the boom and camera mount together have a length of at least 1 m, for example in the range 1 m to 1.5m, in the embodiment 1.2m.
To avoid taking up too much space around the operating table, the base is typically small, for example 0.5m to 0.8 m in each horizontal direction. In the embodiment, the size of the base is 0.6m by 0.6 m.
The rig can be fitted with a wide range of video cameras. In the embodiment, a Sony BRC-300 3 COD camera was used. It provides broadcast quality images, records video in both 4:3 and 16:9 formats and can be fitted with different output modules (5-video, SDI, Firewire etc.). It has a pan range of 340° and a tilt range of 120°. The 12x optical zoom lens provides a focal length range from 3.6 to 43.2 mm. This allows for both wide angle views of the entire operating table and close-ups of small details in
the operative field.
All camera parameters (white balance, focus, aperture, pan, tilt and zoom) are controlled from a remote control unit 36 attached to the camera with a RS-232 remote control cable 26.
Separation between camera and recording unit is achieved by placing the remote control unit 36, a hard drive (HDD) audio-visual recorder 34 and a liquid crystal display (LCD) monitor 32 in a portable plastic hard case 30 (Fig 2), also referred to as the recording case. In the embodiment a 7 inch monitor is used. Cf course, any suitable monitor may be used.
In use, the hard case unit 30 is connected to the junction box 28 of the camera rig with video cable 24 and remote control cable 26. The hard case 30 can be set up on a small table at any available space in the operating theatre, out of the way of the surgical team. After use the rig can be stored inside the surgery ward, while the hard case 30 is brought to an editing suite for transfer of the video material.
A rig was built according at the Oslo University Hospital's engineering workshop.
Before the electrical wiring was installed, the height and reach of the rig was evaluated in an ernpty operating theatre with a senior surgeon present. After consulting the hospital infection control officer the rig was covered with thin metal sheets to provide a smooth surface and make it easy to wash and disinfect.
Alternative smooth materials may also be used as a covering to fascilitate disinfection.
The camera support meets a number of design criteria:
* Easy access to operative field from above
* Not obstructive for surgical team members
* Adjustable height
* Easy to wash/disinfect * Remote-controlled pan-and tiltable camera * Zoom lens In addition the system can be moved between several different operating theatres with ease.
By providing a recording unit separate from the camera the amount of equipment for transfer between surgical wards and the editing suite between recordings may be minimised.
The camera rig has provided excellent views in a wide variety of operations, from surgery deep in the abdomen to operations on the body surface. The lighting is very good as the camera may be placed close to light source(s) already present in an operating theatre. The video images are stable and camera movements are smooth.
In the operating theatre it was found that nurses prefer to look at the sharp close-ups on our monitor rather than at the actual operation.
The camera stand avoids several drawbacks that may occur with conventional stands, including limited mobility, cumbersome rig size and weight.
The camera stand can be an obstruction when repositioning surgical lights during an operation. The videographer must be aware of this and move the camera when necessary. The rig cannot be disassembled for storage or transportation, but must be stored as is, preferably inside the surgical ward.
The camera stand permits medical videographers to produce video from the operating theatre that is of a higher quality than both conventional videographers and the surgeons themselves can achieve.
Variations in the described arrangement will be apparent to those skilled in the art
from the description above.
The use of a hard drive recorder is not essential and alternative audio video or simply video recorders such as those using flash memory or tapes may be used.
The vertical lifting column and horizontal boom need not be exactly vertical and horizontal respectively but may be up to 200, preferably up to 100 from the exact horizontal and vertical.
Alternative lifting column arrangements may be used, and controls may for example be mounted in the remote case or elsewhere. Manual (non-electric) adjustment of the height of the vertical support column and hence the horizontal boom may be used.
The horizontal boom need not have a fixed length, but may be variable in length, either by electric or manual adjustment.
The camera need not be pan-and tiltable. Very small, light-weight High-Definition (HD) cameras are available that cannot be panned or tilted. If these are used the support can also be of a smaller dimension.
An additional monitor can be connected to give surgeons or other people in the theatre a live view of the operation.
In addition to recording, the system can also be used for live broadcasting of an operation to an auditorium or a website using the appropriate interfaces.

Claims (1)

  1. <claim-text>CLAIMS1. A camera support for an operating theatre, comprising: a base with a plurality of wheels for supporting the base; an lifting column extending upwards from the base; a support column supported by the lifting column; and a boom extending laterally sideways from the support column and having a camera mounting at the distal end of the boom; wherein the lifting column is arranged to control the vertical position of the support column and hence the height of the boom.</claim-text> <claim-text>2. A camera support according to claim 1 wherein the plurality of wheels consist of four anti-static wheels on castors that rotate 3600.</claim-text> <claim-text>3. A camera support according to claim 1 or 2 further comprising a handle on each of two opposed sides of the support column and a handle on each of two opposed sides of the boom.</claim-text> <claim-text>4. A camera support according to any preceding claim wherein the support column and boom comprise square or rectangular hollow tubes.</claim-text> <claim-text>5. A camera support according to claim 4 wherein the hollow tubes are of aluminium.</claim-text> <claim-text>6. A camera support according to claim 4 or 5 further comprising a plurality of cables extending through the inside of the support column and boom to the camera mounting.</claim-text> <claim-text>7. A camera support according to any preceding claim further comprising a foot switch on a control box on the base, the foot switch being connected to operate the electrical lifting column.</claim-text> <claim-text>8. A camera support according to any preceding claim wherein the boom is supported solely by the support column.</claim-text> <claim-text>9. A camera support according to any preceding claim wherein each of the length and width of the base is in the range 0.5m to 0.8m.</claim-text> <claim-text>10. A camera support according to any preceding claim, further comprising a padded ring arranged around the camera mounting.</claim-text> <claim-text>11. A camera support according to any preceding claim, wherein the support column is substantially vertical and the boom substantially horizontal.</claim-text> <claim-text>12. A camera arrangement, comprising: a camera support according to any preceding claim, and an audio visual camera mounted on the camera mounting.</claim-text> <claim-text>13. A camera arrangement according to claim 12, further comprising: a recording case including a video recorder and a monitor, the video recorder being electrically connectable to the camera support and via the camera support to the camera for recording images captured by the camera.</claim-text> <claim-text>14. A camera arrangement according to claim 13 wherein the recording case further includes: a remote control electrically connectable to the camera support and via the camera support to the camera to control the camera from the remote control.</claim-text>
GB1118909.9A 2011-11-02 2011-11-02 Audio visual camera support for operating theatre Withdrawn GB2496376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1118909.9A GB2496376A (en) 2011-11-02 2011-11-02 Audio visual camera support for operating theatre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1118909.9A GB2496376A (en) 2011-11-02 2011-11-02 Audio visual camera support for operating theatre

Publications (2)

Publication Number Publication Date
GB201118909D0 GB201118909D0 (en) 2011-12-14
GB2496376A true GB2496376A (en) 2013-05-15

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103932791A (en) * 2014-03-13 2014-07-23 西安交通大学 Intelligent surgical operation process video recording system
CN107448750A (en) * 2017-07-31 2017-12-08 重庆万建电子工程有限责任公司重庆第分公司 A kind of video camera
CN109199606A (en) * 2018-01-18 2019-01-15 吴志明 A kind of open surgery visual field lighting video photographic system
CN110161775A (en) * 2019-05-25 2019-08-23 青岛农业大学 A kind of indoor lighting shifter of video display engineering
CN111067635A (en) * 2019-12-26 2020-04-28 徐保彬 Multi-dimensional control type thoracic surgery auxiliary device
CN113606450A (en) * 2021-08-16 2021-11-05 吉纳巫巫 Medical treatment registration machine and using method thereof

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US20100006732A1 (en) * 2008-07-14 2010-01-14 Vs Vereinigte Spezialmobelfabriken Gmbh & Co. Kg Supporting arm for a projection apparatus and presentation apparatus having a supporting arm
WO2010102197A2 (en) * 2009-03-05 2010-09-10 Cynosure, Inc. Thermal surgical monitoring
US20110162476A1 (en) * 2008-06-12 2011-07-07 Mitaka Kohki Co., Ltd. Holding Arm Apparatus for Medical Tool

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US20110162476A1 (en) * 2008-06-12 2011-07-07 Mitaka Kohki Co., Ltd. Holding Arm Apparatus for Medical Tool
US20100006732A1 (en) * 2008-07-14 2010-01-14 Vs Vereinigte Spezialmobelfabriken Gmbh & Co. Kg Supporting arm for a projection apparatus and presentation apparatus having a supporting arm
WO2010102197A2 (en) * 2009-03-05 2010-09-10 Cynosure, Inc. Thermal surgical monitoring

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103932791A (en) * 2014-03-13 2014-07-23 西安交通大学 Intelligent surgical operation process video recording system
CN107448750A (en) * 2017-07-31 2017-12-08 重庆万建电子工程有限责任公司重庆第分公司 A kind of video camera
CN109199606A (en) * 2018-01-18 2019-01-15 吴志明 A kind of open surgery visual field lighting video photographic system
CN110161775A (en) * 2019-05-25 2019-08-23 青岛农业大学 A kind of indoor lighting shifter of video display engineering
CN111067635A (en) * 2019-12-26 2020-04-28 徐保彬 Multi-dimensional control type thoracic surgery auxiliary device
CN111067635B (en) * 2019-12-26 2021-07-16 徐保彬 Multi-dimensional control type thoracic surgery auxiliary device
CN113606450A (en) * 2021-08-16 2021-11-05 吉纳巫巫 Medical treatment registration machine and using method thereof
CN113606450B (en) * 2021-08-16 2022-11-25 吉纳巫巫 Medical clinic registration machine and using method thereof

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