JPWO2020028847A5

JPWO2020028847A5 -

Info

Publication number: JPWO2020028847A5
Application number: JP2021505663A
Authority: JP
Publication date: 2022-07-11

Claims

Placement tools, including proximal handles and distal port holders,
An implantable access port that is releasably fixed to the port holder, wherein the implantable access port is
With the housing including the base and reservoir,
A needle-penetrating septum covering the reservoir and
A body coupled to the housing on the needle-penetrating septum, wherein the body is
With a stem cover configured to engage the distal port holder,
With a tunnel edge on the opposite side of the stem cover designed to dissect tissue when the implantable access port is prompted subcutaneously,
With the main body including
With implantable access ports , including
Subcutaneous access port system, including.

The subcutaneous access port system according to claim 1 further comprises an index marker disposed between the base and the body.

The subcutaneous access port system according to claim 1 or 2, wherein the indicator marker is radiopermeable and comprises one of the alphanumerical symbols and shapes indicating one of the features and directions of the port. Subcutaneous access port system.

The subcutaneous access port system according to any one of claims 1 to 3, wherein the placement tool engages the outer surface of the stem cover.

The subcutaneous access port system according to any one of claims 1 to 3, wherein the placement tool relates to one of the inner surface of the stem cover, the end face of the stem cover, and the stem opening of the housing. Together, the stem opening is configured to receive the stem portion, which is a subcutaneous access port system that provides fluid communication between the reservoir and a catheter attached to it.

The subcutaneous access port system according to any one of claims 1 to 5, wherein the stem cover is one of a protrusion, a detent, and a socket configured to engage the placement tool. Subcutaneous access port system, including.

The subcutaneous access port system according to any one of claims 1 to 6, wherein the body further comprises a skive on its side, wherein the skive defines a tapered footprint of the distal portion of the body. Subcutaneous access port system.

The subcutaneous access port system according to any one of claims 1 to 7, wherein the septum defines a convex upper surface, and the needle accesses the reservoir at an acute angle with respect to the patient's skin surface. Subcutaneous access port system that enables.

The subcutaneous access port system according to any one of claims 1 to 8, wherein the vertical depth of the reservoir is shorter than the maximum length of the bevel of the access needle to access the port. system.

The subcutaneous access port system according to any one of claims 1 to 9, wherein the shape of the footprint of the port includes a circular shape, a crescent shape, a kidney-like shape, an elongated balloon, and an arrow. Subcutaneous access port system that includes one shape.

The subcutaneous access port system according to any one of claims 1 to 10, wherein the septum includes a reinforcing material.

The subcutaneous access port system according to claim 11, wherein the reinforcing material includes one of a wire reinforcing material and a matrix reinforcing material.

The subcutaneous access port system according to claim 11 or 12, wherein the reinforcing material includes a wire mesh.

The subcutaneous access port system according to any one of claims 11 to 13, wherein the stiffener comprises a plurality of individual wire strands, one of the individual wire strands having a center point of the septum. Subcutaneous access port system that extends through.

The subcutaneous access port system according to claim 11 or 12, wherein the stiffener comprises a matrix of silicone rubber having a plurality of particles and one of a plurality of fibers arranged therein. ..

The subcutaneous access port system of claim 15, wherein the plurality of particles are formed from one of a metal, a ceramic, and a polymer, and the size of the particles ranges from 10 nm to 1.0 mm in diameter. There is a subcutaneous access port system.

The subcutaneous access port system according to claim 15, wherein the plurality of fibers are formed from one of a metal, a ceramic, and a polymer, and the length of the fibers ranges from 1 mm to 15 mm in diameter. , Subcutaneous access port system.

The subcutaneous access port system according to any one of claims 1 to 17, wherein the tunnel edge is sharpened to facilitate tissue incision when the implantable access port is facilitated subcutaneously. Subcutaneous access port system.

Port and
It ’s a placement tool,
With an elongated body including the handle,
A port holder located at the distal end of the elongated body and configured to releasably secure the port therein, including a base, curved panels, and tunnel edges.
An actuator configured to selectively open the port,
With placement tools, including
A system for arranging implantable ports, including.

19. The system of claim 19, wherein the base defines a boundary and the shape of the boundary matches the shape of the footprint of the port.

19. The system of claim 19 or 20, wherein the base and the curved panel define a recess configured to receive a distal portion of the port.

A system according to any one of claims 19-21, wherein the tunnel edge is sharpened and configured to dissect tissue when the placement tool is subcutaneously prompted. system.

The system according to any one of claims 19 to 22, wherein the curved panel is formed of a first panel arm and a second panel arm, and the first and second panel arms are the port holders, respectively. The system is hinged to.

23. The system of claim 23, wherein the actuator is operably connected to the first and second panel arms, the actuator having a closed position for holding the port and an open position for releasing the port. A system that selectively moves the first and second panel arms to and from.

A first elongated arm that extends from the proximal end to the distal end and includes a first gripping feature located at the proximal end and a first port holder located at the distal end.
Includes a second elongated arm, which extends from the proximal end to the distal end and includes a second gripping feature located at the proximal end and a second port holder located at the distal end.
The first arm and the second arm are hinged at the center, and one of the first port holder and the second port holder includes an access blade extending from its distal portion. A port placement tool for placing ports subcutaneously.

25. The placement tool according to claim 25, wherein the first and second port holders include a curved loop shaped to accept a portion of an implantable access port.

The arrangement tool according to claim 25 or 26, wherein the first port holder includes a first blade, the second port holder includes a second blade, and the first and second blades are the tools, respectively. A placement tool that engages at the midpoint of the lateral direction.