The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 04, 2004
Filed:
Mar. 14, 2002
Henry Ping Chang, San Marino, CA (US);
Other;
Abstract
A tissue removal pen includes a pen body having a working end and a handle portion, and an abrasion unit, which is mounted on the pen body, including an abrasion head extended outwardly from the working end of the pen body for removing cells from a treating skin surface of a user. A collecting unit includes a collecting conduit, which is mounted on the pen body, having a discharging end and an intake end extended toward the working end, and a collecting head replaceably mounted to the intake end of the collecting conduit and extended from the working end of the pen body to a position that adjacent to the abrasion head of the abrasion unit. A vacuuming source is connected to the discharging end of the collecting conduit to provide a reduced pressure within the collecting head for collecting cells removed from the treating skin surface.