WO2005006966B1 - Scanning head and endoscopic apparatus using such head - Google Patents
Scanning head and endoscopic apparatus using such headInfo
- Publication number
- WO2005006966B1 WO2005006966B1 PCT/IT2004/000356 IT2004000356W WO2005006966B1 WO 2005006966 B1 WO2005006966 B1 WO 2005006966B1 IT 2004000356 W IT2004000356 W IT 2004000356W WO 2005006966 B1 WO2005006966 B1 WO 2005006966B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- scanning
- cylinder
- scanning head
- head according
- optic
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00096—Optical elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments 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
- A61B1/04—Instruments 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 combined with photographic or television appliances
- A61B1/05—Instruments 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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention concerns a scanning head, characterised in that it comprises a first and a second cylinder, joined each other and that can be coupled to an electromagnetic or electro-optical detection device by a flexible element, said second cylinder being inner and coaxial with respect to the first one, said second cylinder rotating during the scanning, the head further providing a scanning optic, inside and integral with the second cylinder, said second cylinder having an opening through which pass the output and reception optical signal managed by the scanning optic, the first cylinder being optically transparent in its surface corresponding to the rotation of said second cylinder. The invention also concerns an endoscopic apparatus, comprising a scanning head, a flexible element, an electromagnetic or electro-optic detection device, characterised in that said scanning head is the head according to the invention.
Claims
1 . Scanning head, said head being connectable with a detection laser radar device, particularly by a flexible element, the scanning head being suitable to emit an emission signal towards the object to be scanned, said emission signal being an electromagnetic or optical signal received from the detection electromagnetic or electro- optic device, the scanning head being further suitable to receive a reception signal from the scanned object as return of the emitted emission signal and send it to the detection electromagnetic or electro- optic device, the scanning head comprising a first and a second cylinder, said second cylinder being inner and coaxial with respect to the first one, said second cylinder being suitable to rotate during the scanning, the head further providing a scanning optic, inside and integral with the second cylinder, said second cylinder having an opening through which pass the emission and reception signals, the first cylinder being optically transparent in its surface corresponding to the rotation of said second cylinder, the scanning head being characterised in that said opening is a slot parallel to the axis of said cylinders and the first cylinder, at its end joined to the flexible element, provides an inner base suitable to differently respond to the scanning optical signal with the variation of the angular position of the scanning optic during its rotation with respect to the cylinder axes.
2. Scanning head according to claim 1 , characterised in that the inner base provides a relief, said relief being a saw tooth relief.
3. Scanning head according to claim 1 , characterised in that the inner base provides a relief, said relief being a toothed relief, the spaces between the teeth having the same width of the same teeth.
4. Scanning head according to claim 3, characterised in that each tooth or space covers an angle of 1 °.
5. Scanning head according to claim 3 or 4, characterised in that each tooth provides small teeth and spaces.
6. Scanning head according to one of the claims 1 - 5, characterised in that one or more portions of the inner base are differentiated by colours.
7. Scanning head according to claim 1 - 6, characterised in that the scanning optic is a mirror polygon, suitable to rotate during 14
the scanning about an axis perpendicular to the axis of said first and second cylinders.
8. Scanning head according to one of the claims 1 - 7, characterised in that the end of the first cylinder opposed to the end coupled with the flexible element is closed and optically opaque.
9. Scanning head according to claim 8, characterised in that a CCD charge coupling optical device is integrally coupled with said end of the first cylinder opposed to the end coupled with the flexible element, the CCD charge coupling optical device being suitable to detect the images according to the direction of the cylinder axes.
10. Scanning head according to one of the claims 1 - 9, characterised in that said emission and reception signals enter in or exit from the scanning head along the axis of the same.
1 1 . Scanning head according to one of the claims 1 - 10, characterised in that said laser radar is a coherent laser radar and said emission signal is a laser signal generated by the coherent laser radar.
12. Scanning head according to one of the claims 1 - 1 1 , characterised in that the second cylinder is rotated by one or more compressed air turbines.
13. Scanning head according to one of the claims 1 - 12, characterised in that the scanning optic is moved by one or more compressed air turbines.
14. Endoscopic apparatus, comprising a scanning head, a flexible element, an electromagnetic or electro-optic detection device, characterised in that said scanning head is the head according to one of the claims 1 - 13.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000361A ITRM20030361A1 (en) | 2003-07-23 | 2003-07-23 | HEAD OF SCANNING, AND ENDOSCOPIC SYSTEM USING THIS HEAD. |
| ITRM2003A000361 | 2003-07-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2005006966A1 WO2005006966A1 (en) | 2005-01-27 |
| WO2005006966B1 true WO2005006966B1 (en) | 2005-02-17 |
Family
ID=29765931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IT2004/000356 WO2005006966A1 (en) | 2003-07-23 | 2004-06-21 | Scanning head and endoscopic apparatus using such head |
Country Status (2)
| Country | Link |
|---|---|
| IT (1) | ITRM20030361A1 (en) |
| WO (1) | WO2005006966A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008020217A1 (en) | 2008-04-22 | 2009-11-05 | Universität Stuttgart | Apparatus and method for carrying out measurements in cavities |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6615072B1 (en) * | 1999-02-04 | 2003-09-02 | Olympus Optical Co., Ltd. | Optical imaging device |
| JP2001046321A (en) * | 1999-08-09 | 2001-02-20 | Asahi Optical Co Ltd | Endoscope device |
-
2003
- 2003-07-23 IT IT000361A patent/ITRM20030361A1/en unknown
-
2004
- 2004-06-21 WO PCT/IT2004/000356 patent/WO2005006966A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| ITRM20030361A0 (en) | 2003-07-23 |
| ITRM20030361A1 (en) | 2005-01-24 |
| WO2005006966A1 (en) | 2005-01-27 |
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| B | Later publication of amended claims |
Effective date: 20041221 |
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| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
| 122 | Ep: pct application non-entry in european phase |