×

Catheter assembly

  • US 4,114,618 A
  • Filed: 12/15/1976
  • Issued: 09/19/1978
  • Est. Priority Date: 12/15/1976
  • Status: Expired due to Term
First Claim
Patent Images

1. A catheter assembly for insertion into a blood vessel for intravenous injection of medicinal fluid, comprising:

  • an introducing needle having a point on a first end thereof for insertion into a blood vessel;

    a hollow catheter tubular unit slidably mounted over said introducing needle for insertion into such blood vessel with said introducing needle, said hollow catheter tubular unit including a main, flexible hollow body section having a main bore therethrough, said main, hollow body section terminating in an insertable end portion at one end for insertion into said blood vessel and in a connector at the other end thereof for connection to an intravenous fluid supply after removal of said introducing needle;

    said insertable end portion including flow means insertable into said blood vessel for delivering medicinal fluid from said main bore into such blood vessel while allowing for substantially uninterrupted flow of blood through such blood vessel, said insertable flow means including;

    said end portion including a first end section having an end in fluid communication with said bore of said main body section and terminating in a first opening at the end thereof and having a second opening spaced from the first opening; and

    a foldable flow section being movable between a folded position in which said end portion with said foldable flow section is inserted into such blood vessel and an open position in such blood vessel in which said flow section allows blood and intravenous fluid flow through said second opening and said first opening.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×