WO2007026189A1 - Imaging apparatus positioning device - Google Patents

Imaging apparatus positioning device Download PDF

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Publication number
WO2007026189A1
WO2007026189A1 PCT/IB2005/002569 IB2005002569W WO2007026189A1 WO 2007026189 A1 WO2007026189 A1 WO 2007026189A1 IB 2005002569 W IB2005002569 W IB 2005002569W WO 2007026189 A1 WO2007026189 A1 WO 2007026189A1
Authority
WO
WIPO (PCT)
Prior art keywords
imaging apparatus
receptor
base portion
directing
positioning device
Prior art date
Application number
PCT/IB2005/002569
Other languages
French (fr)
Inventor
Trevor Linton Lamb
Original Assignee
Trevor Linton Lamb
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 Trevor Linton Lamb filed Critical Trevor Linton Lamb
Priority to PCT/IB2005/002569 priority Critical patent/WO2007026189A1/en
Publication of WO2007026189A1 publication Critical patent/WO2007026189A1/en

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Classifications

    • 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
    • G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
    • G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
    • G03B42/04—Holders for X-ray films
    • G03B42/042—Holders for X-ray films for dental applications
    • 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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
    • A61B6/512—Intraoral means

Definitions

  • THIS invention relates to an imaging apparatus positioning device, typically for use by a dentist when taking intra-oral radiographs of a tooth.
  • Imaging apparatus positioning devices that allow a user such as a dentist to take intra-oral radiographs such as X-rays but only in one position.
  • Intra-oral X-rays typically work with an intra-oral receptor such as film, digital sensor, phosphor plate, etc which is placed in the patient's mouth and an extra-oral alignment device to which imaging apparatus such as an X-ray generator is connected and lined up so that the X-ray beams fall on the receptor.
  • an intra-oral receptor such as film, digital sensor, phosphor plate, etc
  • an extra-oral alignment device to which imaging apparatus such as an X-ray generator is connected and lined up so that the X-ray beams fall on the receptor.
  • imaging apparatus positioning device including:
  • a directing device for directing imaging apparatus towards a receptor
  • the directing device including a base portion and an alignment device, wherein the alignment device is movable relative to the base portion so that the imaging apparatus can be directed towards a receptor from different directions without moving the base portion and/or receptor;
  • a connecting member for connecting a receptor holding member to the directing device.
  • Figure 1 shows an exploded view of an imaging apparatus positioning device according to one example embodiment
  • Figure 2 shows a top view of the imaging apparatus positioning device of figure 1 which has been assembled
  • Figure 3 shows one side view of the imaging apparatus positioning device of figure 1 which has been assembled
  • Figure 4 shows another side view of the imaging apparatus positioning device of figure 1 which has been assembled
  • Figure 5 is a perspective view of a connector of the imaging apparatus positioning device of figure 1 ;
  • Figure 6 is a perspective view of an alignment device of the imaging apparatus positioning device of figure 1 ;
  • Figure 7 is a perspective view of a base portion of the imaging apparatus positioning device of figure 1 ;
  • Figure 8 is a perspective view of the bottom of the alignment device of the imaging apparatus positioning device of figure 1 ;
  • Figure 9 shows an alternative directing device connector.
  • an imaging apparatus positioning device 10 includes a directing device 12 and a connecting member 14.
  • the directing device 12 is used to direct imaging apparatus towards a receptor (not shown).
  • the receptor is typically the medium used to capture X-rays issued from an imaging apparatus in the form of an X-ray machine.
  • the receptor may be a film X-ray, a phosphor plate X-ray or a digital X-ray, for example.
  • the receptor is typically attached to the imaging apparatus positioning device by a receptor holding member as will be explained below.
  • the directing device 12 includes a base portion 16 and an alignment device 18 wherein the alignment device 18 is movable relative to the base portion 16 so that the imaging apparatus can be directed towards a receptor from different directions or angles without moving the base portion 16.
  • the directing member 18 was formed from integrally moulded parts 18A, 18B and 18C, even though these are illustrated as separate parts in the drawing.
  • the alignment device 18 is movable relative to the base portion 16 in the same horizontal plane as the base portion but in the shape of an arc.
  • One method of implementing this is illustrated with a track 22 formed in the base portion 16 wherein the alignment device 18 has a portion thereof in the form of a directing member 24 adapted to fit into the track 22 and to slide in the track to allow the alignment device 18 to move relative to the base portion 16.
  • the movement of the alignment device relative to the base portion can also be achieved by a raised section on the base portion to act as guidance, rather than a track that has been illustrated.
  • the track 22 allows the alignment device to be moved in an arc totaling 90 degrees, 45 degrees in one direction and 45 degrees in another direction.
  • the positioning of the directing device 12 is infinitely variable. In the current illustration the radius of the track, from the front surface of the receptor is 100 mm, however it may be appreciated that any measurement can be chosen.
  • the alignment device 18 is attached by a slip joint implemented by a horizontal arm 18C which slips into a preformed hole 34 such that there is free movement of the horizontal arm 18C.
  • the horizontal arm 18C was integrally formed with the alignment device 18 as mentioned above.
  • the connecting member 14 is used to connect a receptor holding member 20 to the directing device 12. It will be appreciated that the receptor holding member 20 may or may not be manufactured together with the remainder of the device but may be manufactured by an independent party.
  • the connecting member 14 has a directing device connector 26 for connecting the directing device to the connecting member, and a receptor holding member connector 28 for connecting to a receptor holding member 20.
  • the connecting member 14 included two directing device connectors 26 and two receptor holding device connectors 28 which allows the connecting member to be used in all the quadrants in the mouth.
  • Figure 9 shows an alternative directing device connector 26 which is a push fit arrangement rather than a pin arrangement.
  • the whole device is placed in the correct position in the patient's mouth.
  • the patient steadies the imaging apparatus positioning device by biting on the receptor holding member.
  • the dentist or other oral health worker determines the angle of X-ray they want to take and sets the angle by moving the alignment device 18 with respect to the base portion 16.
  • the alignment device 18 can now be moved towards the patient's cheek to rest against the cheek.
  • the imaging apparatus is positioned, typically by placing the X-ray tube head in the round aiming ring which forms part of the alignment device and taking an X-ray.
  • the dentist or other suitably qualified oral healthcare worker can determine if they are happy with the view. If not, they can release the alignment device 18 from the patient's cheek and can adjust the alignment device 18 relative to the base portion and thereby take a different angle view thereby obtaining multiple angle views of a tooth.
  • the present invention provides an improved imaging apparatus positioning device.

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

Abstract

An imaging apparatus positioning device includes a directing device in the form of an alignment device for directing imaging apparatus towards a receptor and a base portion. The alignment device is movable relative to the base portion so that the imaging apparatus can be directed towards the receptor from different directions without moving the base portion and/or receptor. The device also includes a connecting member for connecting a receptor holding member to the directing device. In use, once the appropriate side of the mouth has been chosen and the receptor holding member and directing device are appropriately removably connected to the connecting member, the whole device is placed in the correct position in the patient's mouth. A dentist then determines the angle of X-ray they want to take and sets the angle by moving the alignment device with respect to the base portion. The alignment device can now be moved towards the patient's cheek to rest against the cheek and thereafter the imaging apparatus can be brought into position in preparation to take the image.

Description

IMAGlNG APPARATUS POSITIONING DEVICE
BACKGROUND OF THE INVENTION
THIS invention relates to an imaging apparatus positioning device, typically for use by a dentist when taking intra-oral radiographs of a tooth.
There are currently imaging apparatus positioning devices that allow a user such as a dentist to take intra-oral radiographs such as X-rays but only in one position.
Intra-oral X-rays typically work with an intra-oral receptor such as film, digital sensor, phosphor plate, etc which is placed in the patient's mouth and an extra-oral alignment device to which imaging apparatus such as an X-ray generator is connected and lined up so that the X-ray beams fall on the receptor. There is typically a connecting device between the intra-oral receptor holding member and the alignment device.
However, often a dentist needs different views of the tooth or teeth to see anatomical detail that may not always be present in a single view. In such a case the dentist will need to move the x-ray generator in relation to the receptor for a different view.
This typically means taking several angled views of the tooth and to date is done by guessing the angle before taking the X-ray.
The present invention addresses this problem. SUMMARY OF THE INVENTION
According to an example embodiment there is provided imaging apparatus positioning device, including:
a directing device for directing imaging apparatus towards a receptor, the directing device including a base portion and an alignment device, wherein the alignment device is movable relative to the base portion so that the imaging apparatus can be directed towards a receptor from different directions without moving the base portion and/or receptor; and
a connecting member for connecting a receptor holding member to the directing device.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 shows an exploded view of an imaging apparatus positioning device according to one example embodiment;
Figure 2 shows a top view of the imaging apparatus positioning device of figure 1 which has been assembled;
Figure 3 shows one side view of the imaging apparatus positioning device of figure 1 which has been assembled;
Figure 4 shows another side view of the imaging apparatus positioning device of figure 1 which has been assembled;
Figure 5 is a perspective view of a connector of the imaging apparatus positioning device of figure 1 ; Figure 6 is a perspective view of an alignment device of the imaging apparatus positioning device of figure 1 ;
Figure 7 is a perspective view of a base portion of the imaging apparatus positioning device of figure 1 ;
Figure 8 is a perspective view of the bottom of the alignment device of the imaging apparatus positioning device of figure 1 ; and
Figure 9 shows an alternative directing device connector.
DESCRIPTION OF PREFERRED EMBODIMENTS
Referring to the accompanying drawings, an imaging apparatus positioning device 10 includes a directing device 12 and a connecting member 14.
The directing device 12 is used to direct imaging apparatus towards a receptor (not shown).
The receptor is typically the medium used to capture X-rays issued from an imaging apparatus in the form of an X-ray machine. The receptor may be a film X-ray, a phosphor plate X-ray or a digital X-ray, for example. The receptor is typically attached to the imaging apparatus positioning device by a receptor holding member as will be explained below.
These and similar technologies are used by dentists and other oral health workers to take intra-oral X-rays.
In any event, the directing device 12 includes a base portion 16 and an alignment device 18 wherein the alignment device 18 is movable relative to the base portion 16 so that the imaging apparatus can be directed towards a receptor from different directions or angles without moving the base portion 16. -A-
In the prototype of one example of the invention the directing member 18 was formed from integrally moulded parts 18A, 18B and 18C, even though these are illustrated as separate parts in the drawing.
In the example illustrated embodiment, the alignment device 18 is movable relative to the base portion 16 in the same horizontal plane as the base portion but in the shape of an arc. One method of implementing this is illustrated with a track 22 formed in the base portion 16 wherein the alignment device 18 has a portion thereof in the form of a directing member 24 adapted to fit into the track 22 and to slide in the track to allow the alignment device 18 to move relative to the base portion 16. The movement of the alignment device relative to the base portion can also be achieved by a raised section on the base portion to act as guidance, rather than a track that has been illustrated.
In the illustrated embodiment, the track 22 allows the alignment device to be moved in an arc totaling 90 degrees, 45 degrees in one direction and 45 degrees in another direction. However, it will be appreciated that any degree number can be chosen. The positioning of the directing device 12 is infinitely variable. In the current illustration the radius of the track, from the front surface of the receptor is 100 mm, however it may be appreciated that any measurement can be chosen.
The alignment device 18 is attached by a slip joint implemented by a horizontal arm 18C which slips into a preformed hole 34 such that there is free movement of the horizontal arm 18C. In the prototype, the horizontal arm 18C was integrally formed with the alignment device 18 as mentioned above.
The connecting member 14 is used to connect a receptor holding member 20 to the directing device 12. It will be appreciated that the receptor holding member 20 may or may not be manufactured together with the remainder of the device but may be manufactured by an independent party.
The connecting member 14 has a directing device connector 26 for connecting the directing device to the connecting member, and a receptor holding member connector 28 for connecting to a receptor holding member 20.
In the example illustrated embodiment, the connecting member 14 included two directing device connectors 26 and two receptor holding device connectors 28 which allows the connecting member to be used in all the quadrants in the mouth.
Figure 9 shows an alternative directing device connector 26 which is a push fit arrangement rather than a pin arrangement.
In use, once the appropriate side of the connecting member has been chosen and the receptor holding member 20 and directing device 12 are appropriately removably connected to the connecting member 14, the whole device is placed in the correct position in the patient's mouth. The patient steadies the imaging apparatus positioning device by biting on the receptor holding member.
The dentist or other oral health worker then determines the angle of X-ray they want to take and sets the angle by moving the alignment device 18 with respect to the base portion 16.
The alignment device 18 can now be moved towards the patient's cheek to rest against the cheek.
Once the alignment device 18 has been set against the patient's cheek, the imaging apparatus is positioned, typically by placing the X-ray tube head in the round aiming ring which forms part of the alignment device and taking an X-ray.
Once the X-ray has been taken the dentist or other suitably qualified oral healthcare worker can determine if they are happy with the view. If not, they can release the alignment device 18 from the patient's cheek and can adjust the alignment device 18 relative to the base portion and thereby take a different angle view thereby obtaining multiple angle views of a tooth.
Thus it will be appreciated that the present invention provides an improved imaging apparatus positioning device.

Claims

1. An imaging apparatus positioning device, including:
a directing device for directing imaging apparatus towards a receptor, the directing device including a base portion and an alignment device, wherein the alignment device is movable relative to the base portion so that the imaging apparatus can be directed towards a receptor from different directions without moving the base portion and/or receptor; and
a connecting member for connecting a receptor holding member to the directing device.
2. An imaging apparatus positioning device according to claim 1 further including a receptor holding member for holding a receptor.
3. An imaging apparatus positioning device according to claim 1 or claim 2 wherein the alignment device is moveable relative to the base portion in the shape of an arc.
4. An imaging apparatus positioning device according to claim 3 wherein the base portion has a track therein and the alignment device has a portion thereof adapted to fit in to the track and to slide in the track to allow the alignment device to move relative to the base portion.
5. An imaging apparatus positioning device according to claim 3 wherein the alignment device has a track therein and the base portion has a portion thereof adapted to fit in to the track and to slide in the track to allow the alignment device to move relative to the base portion.
6. An imaging apparatus positioning device according to any preceding claim wherein the alignment device is an aiming ring having an opening therein through which an imaging apparatus can take an image.
7. An imaging apparatus positioning device according to any preceding claim wherein the connecting member has a directing device connector for connecting the directing device to the connecting member, and a receptor holding member connector for connecting to a receptor holding member.
8. An imaging apparatus positioning device according to claim 7 wherein the connecting member includes two directing device connectors and two receptor holding device connectors.
9. An imaging apparatus positioning device according to claim 7 wherein the connecting member is able to removably connect to the directing device and a receptor holding member.
PCT/IB2005/002569 2005-08-31 2005-08-31 Imaging apparatus positioning device WO2007026189A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2005/002569 WO2007026189A1 (en) 2005-08-31 2005-08-31 Imaging apparatus positioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2005/002569 WO2007026189A1 (en) 2005-08-31 2005-08-31 Imaging apparatus positioning device

Publications (1)

Publication Number Publication Date
WO2007026189A1 true WO2007026189A1 (en) 2007-03-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598416A (en) * 1984-08-13 1986-07-01 Donato Dominic A Film holder and bite block device for radiographing teeth during endodontic treatment
US6102566A (en) * 1998-11-10 2000-08-15 Willis; Timothy G. Oscillatory guide for X-Ray cone
US6190042B1 (en) * 1998-09-29 2001-02-20 Electro Medical Systems Dental x-ray aiming device for longitudinal radiographic analysis
EP1519222A1 (en) * 2003-09-26 2005-03-30 Yin-Chao Yao A dental x-ray clamping device with a multi-orientation support
US20050185767A1 (en) * 2004-02-25 2005-08-25 Puente Carlos G. X-ray positioning device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598416A (en) * 1984-08-13 1986-07-01 Donato Dominic A Film holder and bite block device for radiographing teeth during endodontic treatment
US6190042B1 (en) * 1998-09-29 2001-02-20 Electro Medical Systems Dental x-ray aiming device for longitudinal radiographic analysis
US6102566A (en) * 1998-11-10 2000-08-15 Willis; Timothy G. Oscillatory guide for X-Ray cone
EP1519222A1 (en) * 2003-09-26 2005-03-30 Yin-Chao Yao A dental x-ray clamping device with a multi-orientation support
US20050185767A1 (en) * 2004-02-25 2005-08-25 Puente Carlos G. X-ray positioning device

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