Patent ID: 11931280
Assignee: SHANGHAI PANDA MEDICAL CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A connecting and releasing system comprising:
a catheter, a self-sealing valve and a balloon,
wherein the self-sealing valve is positioned inside the balloon,
wherein the balloon comprises a balloon upper layer, a balloon lower layer, and an inversion hole disposed on the balloon upper layer,
wherein the self-sealing valve comprises a catheter connecting port, an upper structure comprising a self-sealing valve upper layer connected to the balloon upper layer and a lower structure comprising a self-sealing valve lower layer connected to the balloon lower layer,
wherein the self-sealing valve:
receives the catheter passing through the catheter connecting port;
is sealedly connected to the catheter; and
is wholly or partially secured to an inner wall of the balloon,

wherein the self-sealing valve further comprises a passage lumen positioned in an interior of the balloon; a first distal end of the self-sealing valve is sealedly connected to an opening on the balloon; and the catheter enters the self-sealing valve from the first distal end, exits the catheter connecting port, and enters the interior of the balloon,
wherein the catheter connecting port is disposed in an orifice on at least one side wall of the self-sealing valve, and a diameter of the orifice is not greater than an outer diameter of the catheter, and
wherein an entirety of the self-sealing valve lower layer is bonded to an inner wall of the balloon lower layer.