阅读说明：本技术 用于引导从心室辅助装置的出口开口流出的流体流的定子叶片装置、具有定子叶片装置的心室辅助装置、用于操作定子叶片装置的方法和制造方法 (Stator vane device for guiding a fluid flow exiting from an outlet opening of a ventricular assist device, ventricular assist device having a stator vane device, method for operating a stator vane dev) 是由 英戈·斯托兹 约翰尼斯·贝特 阿尔明·舒尔克 大卫·明泽曼 于 2019-06-21 设计创作，主要内容包括：本发明涉及定子叶片装置(105),其用于引导从心室辅助装置(100)的出口开口(110)流出的流体流。定子叶片装置(105)具有至少一个定子叶片(115),该至少一个定子叶片可连接到心室辅助装置(100)且可布置在出口开口(110)的区域中。至少一个定子叶片(115)被设计成使得其可以折叠在一起以采取心室辅助装置(100)的插入状态,并且可以展开以采取流动引导状态。至少一个定子叶片(115)被设计成在流动引导状态下从心室辅助装置(100)径向地或倾斜地突出。(The invention relates to a stator vane device (105) for directing a fluid flow out of an outlet opening (110) of a ventricular assist device (100). The stator blade arrangement (105) has at least one stator blade (115) which can be connected to the ventricular assist device (100) and can be arranged in the region of the outlet opening (110). The at least one stator blade (115) is designed such that it can be folded together to assume an insertion state of the ventricular assist device (100) and can be unfolded to assume a flow directing state. The at least one stator blade (115) is designed to protrude radially or obliquely from the ventricular assist device (100) in a flow-guided state.)

1. A stator vane arrangement (105) for directing a fluid flow out of an outlet opening (110) of a cardiac support system (100), wherein the stator vane arrangement (105) has the following features:

at least one stator blade (115) which is connectable to the heart support system (100) and is arranged in the region of the outlet opening (110) and is formed such that it can be folded together to assume an insertion state of the heart support system (100) and can be unfolded to assume a flow-guiding state, wherein the at least one stator blade (115) is designed to protrude radially or obliquely from the heart support system (100) in the flow-guiding state.

2. The stator vane arrangement (105) of claim 1, wherein the stator vane arrangement (105) is at least partially formed from a shape memory material.

3. The stator vane device (105) of one of the preceding claims, wherein the stator vane device (105) is at least partially formed of a biocompatible material.

4. Stator blade arrangement (105) according to one of the preceding claims, wherein the at least one stator blade (115) is formed such that it in the inserted state abuts in layers on the heart support system (100).

5. The stator vane device (105) according to one of the preceding claims, wherein the at least one stator vane (115) is formed such that it can be partially inserted into the outlet opening (110) in the inserted state.

6. Stator blade arrangement (105) according to one of the preceding claims, having at least one further stator blade (115') which is connectable to the heart support system (100) and is arranged in the region of the outlet opening (110) and is formed such that it can be folded together to assume an inserted state of the heart support system (100) and can be unfolded to assume a flow-guiding state, wherein the at least one further stator blade (115') is designed to protrude radially from the heart support system (100) in the flow-guiding state.

7. Stator vane device (105) according to one of the preceding claims, having a sleeve which is movable relative to the stator vanes (115) and which is formed to close the stator vanes (115) in the inserted state and to release the stator vanes (115) in order to start the transition into the flow guiding state.

8. Stator vane device (105) according to one of the preceding claims, wherein the stator vane device (105) is detachably connectable or detachably connectable to a pump housing section (135) of the heart support system (100).

9. The stator vane device (105) according to one of the preceding claims, wherein the heart support system (100) has a pump housing section (135) extending in a longitudinal direction and an impeller (120) arranged in the pump housing section (135) and rotatable about a rotational axis (122) parallel to the longitudinal direction of the pump housing section (135).

10. The stator vane device (105) of claim 9, wherein the outlet opening (110) is formed in the pump housing section (135).

11. Stator blade arrangement (105) according to claim 10, wherein the at least one stator blade (115) is designed to protrude from a lateral surface of the pump housing section (135) coaxial with a rotational axis (122) of the impeller (120) in a flow-conducting state with respect to a longitudinal direction of the pump housing section (135).

12. Stator blade arrangement according to claim 11, characterized in that the at least one stator blade (115) is designed to project from a lateral surface of the pump housing section (135) in a direction having a direction component parallel to a radial direction with respect to the rotational axis (122) of the impeller (120) and a direction component perpendicular to the radial direction in a flow-conducting state.

13. The stator vane arrangement according to claim 12, characterized in that the at least one stator vane (115) is parallel to the rotational axis (122) of the impeller (120).

14. The stator blade arrangement according to claim 12, characterized in that the at least one stator blade (115) extends obliquely with respect to the rotational axis (122) of the impeller (120).

15. A heart support system (100) with a stator vane arrangement (105) according to one of the preceding claims 1 to 14.

16. The heart support system (100) of claim 15, wherein the stator vane arrangement (105) is designed as part of a pump housing (135) of the heart support system (100).

17. Cardiac support system (100) according to claim 15 or 16, characterized by a cylindrical elongated structure having rounded conical ends for easy positioning in a blood vessel by means of a catheter.

18. Cardiac support system (100) according to one of the claims 15 to 17, characterized by a pump housing section (135) extending in a longitudinal direction and an impeller (120) arranged in the pump housing section (135) and rotatable about a rotation axis (122) parallel to the longitudinal direction of the pump housing section (135).

19. The cardiac support system (100) of claim 18, characterized by an outlet opening (110) formed in the pump housing section (110) for fluid delivered by rotation of the impeller (120).

20. The heart support system (100) according to claim 19, wherein the at least one stator vane (115) is arranged in the region of an outlet opening (110) of the pump housing section (110).

21. The cardiac support system (100) of claim 20, wherein the at least one stator vane (115) protrudes from a lateral surface of the pump housing section (135) in a flow-guided state.

22. The cardiac support system according to claim 21, wherein a lateral surface of the pump housing section is coaxial with the rotational axis of the impeller (120) and the at least one stator vane (115) protrudes from the lateral surface of the pump housing section (135) in a flow-directed state in a direction having a directional component parallel to a radial direction with respect to the rotational axis of the impeller (120) and a directional component perpendicular to the radial direction.

23. The heart support system according to claim 22, wherein the at least one stator blade (115) is parallel to an axis of rotation of the impeller (120).

24. The heart support system according to claim 22, wherein the at least one stator blade (115) extends obliquely with respect to an axis of rotation of the impeller (120).

25. Cardiac support system (100) according to one of the claims 20 to 24, wherein the at least one stator blade (115) is deployable from a collapsed state to a flow guiding state.

26. A method (400) for operating a stator vane device (105) according to one of claims 1 to 14, wherein the method (400) has at least the following steps:

deploying (405) the at least one stator blade (115) during a transition from an insertion state into a flow guiding state, wherein the at least one stator blade (115) protrudes radially or obliquely from the heart support system (100) in the flow guiding state.

27. A manufacturing method (500) for manufacturing a stator vane device (105) according to one of the preceding claims 1 to 11, wherein the manufacturing method (500) has at least the following steps:

providing (505) at least one stator blade (115) for a stator blade arrangement (105), which is connectable to a heart support system (100) and arranged in the region of an outlet opening (110) of the heart support system (100) and is formed such that it can be folded together to assume an inserted state of the heart support system (100) and can be unfolded to assume a flow guiding state, wherein the at least one stator blade (115) is designed to protrude radially or obliquely from the heart support system (100) in the flow guiding state, wherein the stator blade arrangement (105) is designed in particular as part of a pump housing of the heart support system (100).

28. A computer program configured to perform and/or control the method (400) according to claim 26 and/or the manufacturing method (500) according to claim 27.

29. A machine readable storage medium on which is stored a computer program according to claim 28.