초록 ▼

This invention is directed to a device for accurately positioning needles for percutaneous insertion which comprises the elements of a base having a vertically disposed support member at one end thereof, a plate rotator, a needle holder, a tilt angle adjuster for the needle holder, and an arcuate ne

This invention is directed to a device for accurately positioning needles for percutaneous insertion which comprises the elements of a base having a vertically disposed support member at one end thereof, a plate rotator, a needle holder, a tilt angle adjuster for the needle holder, and an arcuate needle angle indicator. In a second embodiment, the needle holder further comprises a circular angle indicator which includes a circular angular tilt angle of the needle holder to be observed by reference to the circular disk.

대표청구항 ▼

A device for accurately positioning needles for percutaneous insertion through the skin of a patient to a predetermined target point in the patient\s body which comprises: (i) a base, provided at one end thereof with a vertically disposed support member; (ii) turning plate means movably affixed to s

A device for accurately positioning needles for percutaneous insertion through the skin of a patient to a predetermined target point in the patient\s body which comprises: (i) a base, provided at one end thereof with a vertically disposed support member; (ii) turning plate means movably affixed to said base and adapted to be controllably tilted in a direction which is substantially parallel to the plane defined by said vertical support member; (iii) means for adjusting the tilt angle of said turning plate means; (iv) needle holding means, movably affixed to said turning plate means, for removably securing said needle therein and adapted to be tilted along said turning plate in a plane which is substantially perpendicular to the plane defined by said vertical support member; (v) means for adjusting the tilt angle of the needle holding means alog said turning plate means; and (vi) arcuate needle angle indicator means, attached to said turning plate means and provided with a plurality of spaced-apart radiopaque needle angle indicators, for providing a visible indication of said needle tilt angle along said turning plate means when the device is exposed to X-ray radiation, the balance of said device being constructed of a material which is substantially transparent or translucent to said radiation.