Sheath facilitating retraction of prosthetic implant and delivery system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11925557
SERIAL NO

18215840

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A sheath facilitating retraction of prosthetic implant is provided. The sheath includes a tubular body, and the distal end of the body is connected with an expandable section. The expandable section has relative converged configuration and flared configuration and includes a primary expandable area and a secondary expandable area. The primary expandable area includes a plurality of first expandable pieces arranged at intervals in a circumferential direction of the body. The secondary expandable area includes a plurality of second expandable pieces arranged at intervals in the circumferential direction of the body, and all the second expandable pieces include two alternating groups consisting of a first group formed by further extending the first expandable pieces to the distal end and a second group formed by connecting strips wound between two adjacent first expandable pieces.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • VENUS MEDTECH (HANGZHOU), INC.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Meirong Zhejiang, CN 3 0
Wang, Jianan Zhejiang, CN 36 45
Zhang, Zhifei Zhejiang, CN 38 167

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 12, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 12, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 12, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00