CN1062476A - A kind of cobalt source driver of medical long-distance Co-60 therapeutic machine - Google Patents
A kind of cobalt source driver of medical long-distance Co-60 therapeutic machine Download PDFInfo
- Publication number
- CN1062476A CN1062476A CN 91108322 CN91108322A CN1062476A CN 1062476 A CN1062476 A CN 1062476A CN 91108322 CN91108322 CN 91108322 CN 91108322 A CN91108322 A CN 91108322A CN 1062476 A CN1062476 A CN 1062476A
- Authority
- CN
- China
- Prior art keywords
- cobalt source
- piston rod
- distance
- source driver
- medical long
- 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.)
- Granted
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Abstract
What the present invention relates to is a kind of cobalt source driver of medical long-distance Co-60 therapeutic machine.Form by pneumatic system of piston type and rack gear.Simple in structure, practical, can be used as the cobalt source driver of all kinds of medical long-distance Co-60 therapeutic machines.
Description
What the present invention relates to is a kind of driving device.
Existing various medical long-distance Co-60 therapeutic machine, as " FYC-50 type swinging cobalt-60 radiotherapy machine ", " PYJ-II type cobalt-60 therapy machine ", " the remote cobalt-60 treating machines of PYL-1 type " or the like, the driving device of its cobalt source drawer all adopts the pneumatic system of piston type, promptly form its driving device, drive cobalt source drawer to realize sending and regaining of cobalt source with piston rod by power gas source, cylinder, piston, piston rod.This single air driving device is when breaking down, and cobalt source drawer can not be realized regaining action, makes patient be subjected to the excessive exposure health risk, and simultaneously, the cobalt source is in irradiation position not to be returned, and the doctor also can't work on.This thing happens, and existing way is to enter therapeutic room by operator to go to push away indicating arm with hands and send the cobalt source back to storage location, and in this process, operator will be subjected to the threat of excessive exposure.
Purpose of the present invention provides a kind of and moves the cobalt source driver that also can make the playback of cobalt source when system breaks down in gas drive for the above-mentioned deficiency that overcomes prior art.
The technical scheme that realizes purpose of the present invention is: on the piston rod in the pneumatic system of the piston type of being made up of power gas source, cylinder, piston and piston rod a rack gear is set, the gear that this rack gear can be meshed by tooth bar, with tooth bar and form by the torque motor that electromagnetic clutch is connected with gear.Tooth bar can be arranged on the piston rod, also can be arranged in parallel with piston rod; One end is affixed by connecting plate and piston rod, and the other end can be installed by the guiding slide construction is set on cylinder block.When the pneumatic system operate as normal, the electromagnetic clutch no power is fixed in tooth bar on the piston rod along with piston rod moves back and forth, and driven gear idle running; When pneumatic system breaks down, enable electromagnetic clutch gear and torque motor are linked together, drive tooth bar and piston rod is normally moved back and forth by motor-driven gear, thereby guarantee normally sending and regaining of cobalt source.
The present invention is simple in structure, and low cost of manufacture, practical is applicable to that the cobalt source of all kinds of cobalt 60 teletherapy machines drives.
The present invention will be further described below in conjunction with embodiment and accompanying drawing.
Fig. 1 is the structural representation of present embodiment
Fig. 2 is that the A of Fig. 1 is to partial view
As shown in Figure 1, 2, cobalt source driver of the present invention is made up of power gas source 1, cylinder 2, piston 3, piston rod 4, tooth bar 5, gear 6, torque motor 7 in the present embodiment.Cobalt source drawer 12 is connected with piston rod 4, cylinder block is provided with a chute 8, and slide 9 is contained in the chute 8, and an end of tooth bar 5 is fixed on the slide, the other end is affixed by connecting plate 10 and piston rod 4, and gear 6 is meshed with tooth bar and is connected with torque motor 7 by electromagnetic clutch 11.The pneumatic system that power gas source, cylinder, piston, piston rod are formed all can be continued to use the cobalt source pneumatic system of existing therapy apparatus.
Claims (1)
1, a kind of cobalt source driver of medical long-distance Co-60 therapeutic machine, by power gas source, cylinder block, piston and be connected in piston and cobalt source drawer between piston rod form, it is characterized in that also being provided with on the described piston rod rack gear, this rack gear comprises the tooth bar that is fixed on the piston rod, the gear that is meshed with tooth bar and the torque motor that joins by electromagnetic clutch and gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91108322 CN1022090C (en) | 1991-10-21 | 1991-10-21 | Cobalt source driver of medical long-distance Co-60 therapeutic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91108322 CN1022090C (en) | 1991-10-21 | 1991-10-21 | Cobalt source driver of medical long-distance Co-60 therapeutic machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1062476A true CN1062476A (en) | 1992-07-08 |
| CN1022090C CN1022090C (en) | 1993-09-15 |
Family
ID=4909221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91108322 Expired - Fee Related CN1022090C (en) | 1991-10-21 | 1991-10-21 | Cobalt source driver of medical long-distance Co-60 therapeutic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1022090C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197557A1 (en) * | 2016-05-16 | 2017-11-23 | 深圳市医科信医疗技术有限公司 | Source loading device for radiotherapy equipment and source loading method |
-
1991
- 1991-10-21 CN CN 91108322 patent/CN1022090C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197557A1 (en) * | 2016-05-16 | 2017-11-23 | 深圳市医科信医疗技术有限公司 | Source loading device for radiotherapy equipment and source loading method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1022090C (en) | 1993-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |