JPWO2019234149A5

JPWO2019234149A5 -

Info

Publication number: JPWO2019234149A5
Application number: JP2020567770A
Authority: JP
Publication date: 2022-06-13
Anticipated expiration: 2039-06-06

Claims

It ’s a cardiac assist system .
With a pump configured to be delivered to the left ventricle via a catheter to pump blood,
Including sensor head devices including sensor carrier elements
The sensor carrier element
At least one sensor cavity configured to receive at least one sensor ,
At least one signal transmitter cavity configured to receive at least one signal transmitter , and
A cardiac assist system with a tapered cap on the outer edge .

The cardiac assist system according to claim 1, wherein the at least one sensor cavity is open in a direction different from that of the at least one signal transmitter cavity .

The cardiac assist system of claim 1 , wherein the at least one sensor cavity is formed by at least a partially circumferential groove extending around the sensor carrying element .

The sensor-supporting element was arranged in a U-shape and / or an E-shape on an outer wall arranged in a U-shape and / or an E-shape, and / or at an inner end of at least one of the sensor-supporting elements . The cardiac assist system according to claim 1 , which has an inner wall .

4. The fourth aspect of the present invention, wherein the at least one signal transmitter cavity or the at least one sensor cavity is formed between the outer wall and / or between the outer wall and the inner wall. Cardiac assist system.

The cardiac assist system according to claim 1 , wherein the sensor-carrying element comprises a channel in the center of the sensor-carrying element.

The cardiac assist system according to claim 6, wherein the channel has a cylindrical tube .

At least one sensor , including a temperature sensor and / or a pressure sensor, and / or
Further including at least one signal transmitter including an ultrasonic element ,
The cardiac assist system according to claim 1 , wherein the at least one sensor and / or the at least one signal transmitter is arranged on an electrically conductive element .

The first aspect of claim 1 , wherein the signal transmitter cavity is at least partially covered by a lens element, wherein the lens element comprises an ultrasonic lens and / or a lens made of a silicone material . Cardiac assist system.

The cardiac assist system according to claim 1 , wherein the sensor-supporting element is formed of a thermoplastic material and / or the sensor-supporting element is manufactured by a machined manufacturing method and / or as an injection molded part.

The cardiac assist system according to claim 1 , wherein the at least one sensor cavity is filled with a cast compound, wherein the cast compound comprises a solid or gel-like silicone or silicone oil.

The cardiac assist system of claim 1 , wherein the at least one sensor cavity is coated and / or coated with a membrane, wherein the membrane comprises a film formed of a parylene material and / or a diffusion barrier .

The sensor head device is located distal to the first end of the guide cannula and the sensor head device is located proximal to the second end of the guide cannula of the cardiac assist system. The cardiac assist system according to claim 1 , which is configured to be electrically connected to the back end .

A method for producing sensor head devices for cardiac assist systems ,
Including the step of forming a sensor-supporting element configured to be delivered to the heart via a catheter .
The sensor carrier element
At least one sensor cavity configured to receive at least one sensor,
At least one signal transmitter cavity configured to receive at least one signal transmitter, and
A method that includes a taper cap on the outer edge .

The step of inserting at least one sensor into the sensor cavity and / or
14. The method of claim 14, further comprising inserting at least one signal transmitter into the at least one signal transmitter cavity of the formed sensor-carrying element .

14. The method of claim 14, wherein the at least one sensor cavity is open in a direction different from that of the at least one signal transmitter cavity.

14. The method of claim 14, further comprising filling the at least one sensor cavity with a cast compound, wherein the cast compound comprises a solid or gel-like silicone or silicone oil.

14. The method of claim 14, further comprising coating and / or coating the at least one sensor cavity with a film, wherein the film comprises a film formed of a parylene material and / or a diffusion barrier.

A non-temporary computer-readable storage medium comprising instructions instructing a processor to perform a method when executed, said method.
Including the step of forming a sensor-supporting element configured to be delivered to the heart via a catheter.
The sensor carrier element
At least one sensor cavity configured to receive at least one sensor,
At least one signal transmitter cavity configured to receive at least one signal transmitter, and
A non-temporary computer-readable storage medium with a deeper cap on the outer edge.

The above method
The step of inserting at least one sensor into the sensor cavity and / or
19. The non-temporary computer-readable storage medium of claim 19, further comprising inserting at least one signal transmitter into the at least one signal transmitter cavity of the formed sensor-carrying element.