Apparatus for guiding subcutaneous placement of puncture indwelling drainage tube
AssigneeShandong Provincial Qianfoshan Hospital
InventorsJian Guo, Liu Jing
Life of this patent
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Abstract
An apparatus is provided for guiding the subcutaneous placement of a puncture indwelling drainage tube. The apparatus includes a cannula having a first puncture needle core with a first engagement portion that matches a second engagement portion of a second puncture needle core. The apparatus also includes a third puncture needle core having a third engagement portion that matches a fourth engagement portion of a fourth puncture needle core. Front ends of the four puncture needle cores all protrude from a front end of the cannula and four handles all protrude from the rear end.
Claims9
An apparatus for guiding subcutaneous placement of a puncture indwelling drainage tube, the apparatus comprising:
- a cannula in which a first puncture needle core, a second puncture needle core, a third puncture needle core, and a fourth puncture needle core are arranged, wherein:
- a front end of the first puncture needle core is formed as a tip, the first puncture needle core having a first engagement portion, and a tail portion of the first puncture needle core includes a first handle,
- a front end of the second puncture needle core has a second engagement portion that matches the first engagement portion of the first puncture needle core, and a tail portion of the second puncture needle core includes a second handle,
- a front end of the third puncture needle core is formed as a tip, the third puncture needle core includes a third engagement portion, and a tail portion of the third puncture needle core having a third handle,
- a front end of the fourth puncture needle core has a fourth engagement portion that matches the third engagement portion of the third puncture needle core, and a tail portion of the fourth puncture needle core includes a fourth handle,
- the front ends of the four puncture needle cores all protrude from a front end of the cannula, and
- the four handles all protrude from a rear end of the cannula.
Dependencies are inferred from the claim text.