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C-arm mounting structure for mobile X-ray imaging system

  • US 5,583,909 A
  • Filed: 12/20/1994
  • Issued: 12/10/1996
  • Est. Priority Date: 12/20/1994
  • Status: Expired due to Term
First Claim
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1. A mobile C-arm apparatus for use with X-ray diagnostic equipment, said apparatus comprising:

  • an arc-shaped member having opposing inner and outer circumferences;

    an image receptor mounted upon the inner circumference of the arc-shaped member and having a rear portion;

    support means attached to the arc-shaped member for supporting said arc-shaped member in a suspended position, said support means including (i) a support arm which is slidably mounted to the outer circumference of the arc-shaped member at a sliding point of attachment thereto without circumscribing and extending into the inner circumference the arc-shaped member, in a manner sufficient to avoid interfering contact between the support arm and the image receptor when said arc-shaped member is slid a sufficient distance relative to said support arm to bring the rear portion of the image receptor to a location adjacent to the sliding point of attachment to the support arm, (ii) sliding means for sliding said arc-shaped member relative to the support arm a selectable amount through various points of attachment to the support arm to thereby enable sliding orbital motion of said arc-shaped member about an axis of orbital rotation to a selected position, and (iii) rotating means for laterally rotating the support arm a selectable amount about an axis of lateral rotation to a selected lateral position; and

    a wheeled transporting means coupled to the support means for wheeling the support means and the arc-shaped member from a first location to a second location, wherein said transporting means is configured and dimensioned to enable manual movement and guidance of the apparatus from one room to another in a health care facility;

    wherein the axis of lateral rotation substantially coincides with the point of attachment of the arc-shaped member to the support arm for any position of said arc-shaped member.

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