GB313512A - Electro medical apparatus - Google Patents
Electro medical apparatusInfo
- Publication number
- GB313512A GB313512A GB34063/28A GB3406328A GB313512A GB 313512 A GB313512 A GB 313512A GB 34063/28 A GB34063/28 A GB 34063/28A GB 3406328 A GB3406328 A GB 3406328A GB 313512 A GB313512 A GB 313512A
- Authority
- GB
- United Kingdom
- Prior art keywords
- casing
- transformer
- highfrequency
- frequency
- electrodes
- 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.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Abstract
313,512. Siemens - Reiniger - Veifa Ges. fiir Medizinische Technik. June 13, 1928, [Convention date]. Electric appliances. - In electromedical apparatus having a metal casing and leads extending beyond the casing to a patient, at least one of the leads has a connection with the casing, which permits the passage of low frequency currents. In a metal casing f, which may be earthed at f<1>, is housed a high-frequency transformer a, b with the secondary terminals i connected to electrodes h. The highfrequency primary is supplied from a source of alternating current from a low-frequency hightension transformer d. In order to avoid shock in case of a breakdown of the high-tension transformer, at least one of the electrodes h is connected to the casing k directly, through a highfrequency choke m, or through a protective sparkgap or the like.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE313512X | 1928-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB313512A true GB313512A (en) | 1929-08-15 |
Family
ID=6140910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB34063/28A Expired GB313512A (en) | 1928-06-13 | 1928-11-20 | Electro medical apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB313512A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2224210A (en) * | 1988-10-31 | 1990-05-02 | Fakhri Dr Omar | Electro-therapy apparatus |
-
1928
- 1928-11-20 GB GB34063/28A patent/GB313512A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2224210A (en) * | 1988-10-31 | 1990-05-02 | Fakhri Dr Omar | Electro-therapy apparatus |
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