CN106963411A - CT arm off-body bracket system and control method thereof - Google Patents

CT arm off-body bracket system and control method thereof Download PDF

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Publication number
CN106963411A
CN106963411A CN201710198171.3A CN201710198171A CN106963411A CN 106963411 A CN106963411 A CN 106963411A CN 201710198171 A CN201710198171 A CN 201710198171A CN 106963411 A CN106963411 A CN 106963411A
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China
Prior art keywords
power source
arm bracket
arm
bed board
body rack
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CN201710198171.3A
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CN106963411B (en
Inventor
蒲进
张黎
张凯
李真林
夏春潮
李磊
赵飞
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West China Hospital of Sichuan University
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West China Hospital of Sichuan University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
    • A61B6/0421—Supports, e.g. tables or beds, for the body or parts of the body with immobilising means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

The invention discloses a CT arm off-body bracket system and a control method thereof, belonging to the field of medical instruments. The invention can keep the arms of the patient away from the trunk as far as possible, thereby improving the scanning detection quality; the system is safe and reliable and is convenient to use.

Description

CT arms are from body rack system and its control method
Technical field
The present invention relates to medical instruments field, more particularly to CT machines arm is from body rack system and its control method.
Background technology
When carrying out CT scan to the trunk of patient, in order to make image apparent, it usually needs patient by both hands lift to Head both sides.But some patients have with serious scapulohumeral periarthritis or arm, shoulder when hindering, it is impossible to lift arm, meeting completely Scan-image formation is disturbed, Image detection result.
The content of the invention
The present invention is intended to provide a kind of CT arms are from body rack system and its control method, the arm of patient can be tried one's best Away from trunk, so as to improve Scanning Detction quality；The system is safe and reliable, easy to use.
To reach above-mentioned purpose, the technical solution adopted by the present invention is as follows：
CT arms disclosed by the invention from body rack system, including arm bracket, power source, transmission mechanism, controller, away from From sensor, the mobile bed board of the arm bracket and CT machines is hinged, and the power source is connected by transmission mechanism and arm bracket Connect, the range sensor is arranged on the front side of arm bracket or the scanning porch of CT machines, range sensor, power source point It is not connected with controller.
It is preferred that, the middle part of the arm bracket is connected with the side of mobile bed board, one end of arm bracket and driver Structure is connected.
It is preferred that, the arm bracket is arranged on the front portion of mobile bed board, and the power source is arranged on after mobile bed board Portion.
Further, the arm bracket has two, and both sides of two arm brackets respectively with mobile bed board are connected.
Further, two arm brackets are connected with a sets of transmission mechanism simultaneously.
It is preferred that, the transmission mechanism includes drive link, bearing pin, and described drive link one end is connected with power source, drive link The other end it is vertical with bearing pin be connected, two arm brackets are respectively equipped with the chute being adapted to bearing pin.
It is preferred that, the lower surface of the mobile bed board is fixedly connected with sleeve, and the drive link passes through sleeve.
Further, the power source is hydraulic cylinder.
Further, the power source is linear electric motors.
CT arms comprise the following steps from the control method of body rack system：
A. after patient is lain on mobile bed board, arm is placed on arm bracket, rotary expansion arm bracket forward of trying one's best, Make arm as far as possible away from trunk, the original position residing for controller record power source；
B. mobile bed board is moved forward, patient is entered the scanning entrance of CT machines from head, is measured and worked as by range sensor When the distance that arm bracket scans entrance with CT machines is less than 3-5cm, controller starts power source, makes arm support by transmission mechanism Frame back rotation is retracted, it is to avoid arm bracket is contacted with CT machines；When the distance that arm bracket and CT machines scan entrance is more than 5-7cm When, controller closes power source；
C. move after bed board stop motion, controller starts power source, arm bracket is rotated forward by transmission mechanism Expansion, when power source returns to original position, controller closes power source；When power source is not returned to original position, arm bracket When the distance for scanning entrance with CT machines is equal to 0.5-1cm, controller closes power source.
The invention has the advantages that：
1. the present invention can be by the arm of patient as far as possible away from trunk, so as to improve Scanning Detction quality；
2. power source is arranged on the rear portion of mobile bed board, it can avoid disturbing scan image formation；
3. two arm brackets are connected with a sets of transmission mechanism simultaneously, it can realize that two arm brackets are moved simultaneously；
4. the present invention being capable of the distance of test arm bracket and CT machines and rotation automatically, it is to avoid collision；
5. arm bracket can make the arm of patient farther away from body automatically close to CT machines after movement bed board stop motion It is dry, to reach the effect for improving Scanning Detction quality；
6. it is safe and reliable not over the original position of patient during second outspread arm bracket.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment one；
Fig. 2 is the structural representation of target box；
Fig. 3 is Fig. 2 left view；
In figure：Arm bracket 1, power source 3, transmission mechanism 4, range sensor 5.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing, the present invention is entered Row is further described.
As Figure 1-3, CT arms disclosed by the invention are from body rack system, including arm bracket 1, power source 3, transmission Mechanism 4, controller, range sensor 5, the mobile bed board 2 of arm bracket 1 and CT machines are hinged, and power source 3 passes through transmission mechanism 4 It is connected with arm bracket 1, range sensor 5 is arranged on the scanning porch of CT machines, just to arm bracket 1, range sensor 5, Power source 3 is connected with controller respectively, and the middle part of arm bracket 1 is connected with the side of mobile bed board 2, one end of arm bracket 1 It is connected with transmission mechanism 4, arm bracket 1 is arranged on the front portion of mobile bed board 2, power source 3 is arranged on the rear portion of mobile bed board 2, Arm bracket 1 has two, and both sides of two arm brackets 1 respectively with mobile bed board 2 be connecteds, and two arm brackets 1 are while with one Sets of transmission mechanism 4 is connected, and transmission mechanism 4 includes drive link, bearing pin, and drive link one end is connected with power source 3, drive link it is another End is vertical with bearing pin to be connected, and two arm brackets 1 are respectively equipped with the chute being adapted to bearing pin, and the lower surface of mobile bed board 2 is fixed Sleeve is connected with, drive link passes through sleeve, and power source 3 is hydraulic cylinder, and certainly, power source 3 can also linear electric motors.
CT arms comprise the following steps from the control method of body rack system：
A. after patient is lain on mobile bed board 2, arm is placed on arm bracket 1, rotary expansion arm support forward of trying one's best Frame 1, makes arm as far as possible away from trunk, the original position residing for controller record power source 3；
B. mobile bed board 2 is moved forward, patient is entered the scanning entrance of CT machines from head, is measured by range sensor 5 When the distance that arm bracket 1 and CT machines scan entrance is less than 5cm, controller starts power source 3, makes hand by transmission mechanism 4 The back rotation of fupport arm frame 1 is retracted, it is to avoid arm bracket 1 is contacted with CT machines；When the distance that arm bracket 1 and CT machines scan entrance is big When 7cm, controller closes power source 3；
C. move after the stop motion of bed board 2, controller starts power source 3, makes arm bracket 1 forward by transmission mechanism 4 Rotary expansion, when power source 3 returns to original position, controller closes power source 3；When power source 3 is not returned to original position, hand When the distance that fupport arm frame 1 scans entrance with CT machines is equal to 0.5cm, controller closes power source 3.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence Various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention by knowing those skilled in the art The protection domain of appended claims of the invention should all be belonged to.

Claims (10)

1.CT arms are from body rack system, it is characterised in that：Including arm bracket (1), power source (3), transmission mechanism (4), control Device processed, range sensor (5), the arm bracket (1) and the mobile bed board (2) of CT machines are hinged, and the power source (3) is by passing Motivation structure (4) is connected with arm bracket (1), and the range sensor (5) is arranged on front side or the CT machines of arm bracket (1) Porch is scanned, range sensor (5), power source (3) are connected with controller respectively.
2. CT arms according to claim 1 are from body rack system, it is characterised in that：The middle part of the arm bracket (1) It is connected with the side of mobile bed board (2), one end of arm bracket (1) is connected with transmission mechanism (4).
3. CT arms according to claim 1 are from body rack system, it is characterised in that：The arm bracket (1) is arranged on The front portion of mobile bed board (2), the power source (3) is arranged on the rear portion of mobile bed board (2).
4. the CT arms according to claim 1-3 any one are from body rack system, it is characterised in that：The arm bracket (1) there are two, both sides of two arm brackets (1) respectively with mobile bed board (2) are connected.
5. CT arms according to claim 4 are from body rack system, it is characterised in that：Two arm brackets (1) at the same with One sets of transmission mechanism (4) is connected.
6. CT arms according to claim 5 are from body rack system, it is characterised in that：The transmission mechanism (4) includes passing Lever, bearing pin, described drive link one end are connected with power source (3), and the other end of drive link is vertical with bearing pin to be connected, two arms Bracket (1) is respectively equipped with the chute being adapted to bearing pin.
7. CT arms according to claim 6 are from body rack system, it is characterised in that：The following table of the mobile bed board (2) Face is fixedly connected with sleeve, and the drive link passes through sleeve.
8. CT arms according to claim 1 are from body rack system, it is characterised in that：The power source (3) is hydraulic cylinder.
9. CT arms according to claim 1 are from body rack system, it is characterised in that：The power source (3) is straight-line electric Machine.
Control method of the 10.CT arms from body rack system, it is characterised in that：For as described in claim 1-9 any one System, comprise the following steps：
A. after patient is lain on mobile bed board (2), arm is placed on arm bracket (1), rotary expansion arm support forward of trying one's best Frame (1), makes arm as far as possible away from trunk, the original position residing for controller record power source (3)；
B. mobile bed board (2) is moved forward, patient is entered the scanning entrance of CT machines from head, is measured by range sensor (5) When the distance that arm bracket (1) and CT machines scan entrance is less than 3-5cm, controller starts power source (3), passes through transmission mechanism (4) arm bracket (1) back rotation is made to retract, it is to avoid arm bracket (1) is contacted with CT machines；When arm bracket (1) and CT machines are swept When the distance for retouching entrance is more than 5-7cm, controller closes power source (3)；
C. move after bed board (2) stop motion, controller starts power source (3), makes arm bracket (1) by transmission mechanism (4) Rotary expansion forward, when power source (3) returns to original position, controller closes power source (3)；When power source (3) is not returned to Original position, when the distance that arm bracket (1) scans entrance with CT machines is equal to 0.5-1cm, controller closes power source (3).
CN201710198171.3A 2017-03-29 2017-03-29 CT arm off-body bracket system and control method thereof Active CN106963411B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113729754A (en) * 2021-09-30 2021-12-03 广州复大医疗有限公司 Arm fixing device for CT bed and CT equipment
CN115397723A (en) * 2019-11-29 2022-11-25 意大利农用机贸易股份公司 Work vehicle component

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CN115397723A (en) * 2019-11-29 2022-11-25 意大利农用机贸易股份公司 Work vehicle component
CN115397723B (en) * 2019-11-29 2023-12-19 意大利农用机贸易股份公司 Work vehicle component
CN113729754A (en) * 2021-09-30 2021-12-03 广州复大医疗有限公司 Arm fixing device for CT bed and CT equipment

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