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Syringe Piston Using in Fat Transplantation

  • US 20080091147A1
  • Filed: 06/23/2005
  • Published: 04/17/2008
  • Est. Priority Date: 06/23/2004
  • Status: Active Grant
First Claim
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1. A syringe piston without a shaft, used in fat transplantation, disposed in a syringe-shaped cylindrical vessel, comprising:

  • a piston body without the shaft;

    a packing coupled with an outer surface of the piston body to form a seal between the piston body and the syringe-shaped cylindrical vessel;

    a free oil discharging hole communicated with the front side and the rear side of the piston body;

    an opening and closing device for opening and closing the free oil discharging hole; and

    a filtering device disposed in a passage through which free oil is discharged to filter fat and pass the free oil.

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