MICROPROCESSOR CONTROLLED DELIVERY SYSTEM FOR CARDIAC VALVE PROSTHESIS

• US 20090105794A1
• Filed: 09/05/2008
• Published: 04/23/2009
• Est. Priority Date: 09/07/2007
• Status: Abandoned Application

• Current Assignee: Sorin Biomedica Cardio Srl (LivaNova Plc), Mayo Foundation For Medical Education And Research (Mayo Clinic)
• Original Assignee: Mayo Foundation For Medical Education And Research (Mayo Clinic)
• Inventors: Ziarno, W. Andrew, Suri, Rakesh M., Manasse, Eric
• Application Number:
  US12/205,144
• Publication Number:
  US 20090105794A1
• Time in Patent Office: Days
• US Class Current: 607/120
• CPC Class Codes: A61B 5/021 Measuring pressure in heart or blood vessels A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/024 Detecting, measuring or recording pulse rate or heart rate A61B5/0205, A61B5/021 take precedence
• CPC Class Codes: A61B 5/026 Measuring blood flow A61B3/1233, A61B3/1241 take precedence
• CPC Class Codes: A61F 2/2418 Scaffolds therefor, e.g. support stents
• CPC Class Codes: A61F 2/2433 using balloon catheter
• CPC Class Codes: A61F 2/2436 Deployment by retracting a sheath

Abstract

An instrument for deploying a cardiac valve prosthesis, including a plurality of radially expandable portions, at an implantation site, includes a plurality of deployment elements each independently operable to obtain the radial expansion of a radially expandable portion of the valve prosthesis. The instrument includes a microprocessor configured to processes signals from one or more sensors and to optimize deployment of the valve prosthesis.

Claims

1. A device for implanting an expandable heart valve prosthesis, the device comprising a deployment mechanism capable of deploying the prosthesis and a microprocessor communicatively linked with at least a portion of the deployment mechanism.

2. The device of claim 1 wherein the microprocessor is configured to control operation of the deployment mechanism.

3. The device of claim 1 wherein the microprocessor is a multi-core microprocessor.

4. The device of claim 1 wherein the device further comprises a sensor communicatively linked to the microprocessor.

5. The device of claim 4 wherein the sensor is selected from the group consisting of a calcium sensor, a fluorescence sensor, a blood gas sensor, an oximetry sensor, and a cardiac output sensor.

6. The device of claim 1 further comprises an imaging module.

7. The device of claim 6 wherein the imaging module is a radiation emitting chip.

8. The device of claim 6 wherein the imaging module is selected from the group consisting of an echocardiographic imaging module and optical coherence tomography module capable of providing an image through blood.

9. The device of claim 6 wherein the imaging module is a digital imaging module.

10. The device of claim 6 further comprising communication circuitry configured to transmit an image captured by the imaging module to and external device.

11. The device of claim 1 further comprising a pump communicatively linked to the microprocessor.

12. The device of claim 11 further comprising a sensor and in which the pump variably pumps volumes of blood as a function of data from the sensor.

13. The device of claim 1 further comprising an injector, and wherein the injector is configured for control by the microprocessor.

14. The device of claim 2 wherein the deployment mechanism further comprises a microactuator.

15. The device of claim 2 wherein the deployment mechanism is capable of variably opening the expandable prosthesis.

16. The device of claim 2 further comprising a native valve removal or expansion mechanism operatively coupled to the deployment mechanism.

17. A method of deploying an expandable heart valve prosthesis, the method comprising deploying the prosthesis using a microprocessor controlled delivery device.

18. The method of claim 17 wherein the delivery device includes a deployment element and the prosthesis is self expandable, and further wherein the microprocessor controls the deployment element.

19. The method of claim 17 wherein the device partially controls, or optionally fully controls, the placement of the prosthesis at a suitable implantation location.

20. The method of claim 17 further comprising having the device provide digital information permitting the manual placement of the prosthesis at a suitable location by an operator.

21. The method of claim 17 wherein the device generates a visual image.

22. The method of claim 21 wherein the visual image is selected from the group consisting of:

the location of the prosthesis in a beating heart, a portion of the device in relation to anatomical structures in a patient'"'"'s heart, the prosthesis in a stage of partial deployment, and the prosthesis in a fully deployed state.

23. A device for implanting a heart valve prosthesis, the device comprising a microprocessor and at least one functionality controlled by the microprocessor.

24. The device of claim 23 in which the functionality comprises a sensing functionality, the sensing functionality comprising a sensor communicatively linked to the microprocessor.

25. The device of claim 23 further comprising imaging functionality communicatively linked to the microprocessor.

26. The device of claim 23 wherein the functionality comprises native valve removal functionality controlled by the microprocessor.

27. The device of claim 23 wherein the functionality comprises axial positioning functionality controlled by the microprocessor.

28. The device of claim 23 wherein the functionality comprises radial positioning functionality controlled by the microprocessor.

29. The device of claim 23 wherein the functionality comprises functionality to take a three-dimensional image of an interior portion of a patient'"'"'s arterial tree and at least a portion of a patient'"'"'s heart and functionality to take the three-dimensional image and guide the prosthesis to a predetermined location using the three-dimensional image data.

30. The device of claim 23 wherein the functionality comprises native valve ballooning functionality.

31. An improved method of delivering an implantable heart valve prosthesis, the improvement comprising superimposing real-time images taken from an imaging mechanism onto pre-operatively taken three-dimensional images and positioning the prosthesis as a function of its location in relation to the images.