Lithotripsy system having a drill and lateral emitter

Patent metadata

Field	Value
Publication number	US-11896249-B2
Application number	US-202117356733-A
Country	US
Kind code	B2
Filing date	Jun 24, 2021
Priority date	Jul 2, 2020
Publication date	Feb 13, 2024
Grant date	Feb 13, 2024

Abstract

A system to deliver energy to treat a mobile calculus, the system can include a drill and a lateral energy emitter. The drill can be configured to drill a recess into the mobile calculus or a passage through the mobile calculus. The lateral energy emitter can be configured to be advanced into the recess or the passage and to transmit the energy internal to the mobile calculus to fragment the mobile calculus. In some examples, the system can include a deployable capture portion to constrain a stone relative to the capture portion.

First claim

What is claimed is:

1. A system to deliver energy to treat a mobile calculus, the system comprising:
a drill configured to drill a recess into the mobile calculus or a passage through the mobile calculus; and
a transducer configured to be advanced into the recess or the passage and to transmit the energy internal to the mobile calculus to fragment the mobile calculus
wherein at least a portion of the drill is located at a distal end portion of a delivery member having an elongate shaft that is deliverable to a treatment site through a working channel, and wherein the transducer and the drill are coupled to the elongate shaft with the transducer located proximal of the drill.

2. The system of claim 1 , wherein the transducer includes an acoustic transducer.

3. The system of claim 1 , comprising a capture portion configured to constrain movement of at least a portion of the mobile calculus relative to the capture portion.

4. The system of claim 3 , wherein the capture portion is configured to capture at least a portion of the fragmented mobile calculus to be removed.

5. The system of claim 3 , wherein the capture portion is located at a distal end portion of the elongate shaft, and wherein the capture portion is configured to be advanced through the working channel and to be deployed distal of the mobile calculus.

6. The system of claim 3 , wherein the capture portion includes a deformable strut configured to expand into a deployed position.

7. The system of claim 3 , wherein the capture portion includes a receiving opening configured to receive the mobile calculus.

8. The system of claim 3 , wherein the capture portion includes a receiving opening and a closure member, and wherein the capture portion is deployable from a compressed state when positioned in the working channel to a receiving state when deployed distally from the working channel, and wherein in the receiving state the capture portion is configured to receive the mobile calculus through the receiving opening, and wherein when the closure member is actuated, the receiving opening deforms to enable the capture portion to constrain the mobile calculus in a captured state.

9. The system of claim 1 , wherein:
the delivery member having the elongate shaft includes a tubular structure including a surface and a fluid delivery channel extending therethrough, the fluid delivery channel in fluid communication with a fluid port in the surface, wherein the fluid port is configured to provide fluid into the recess or the passage to deteriorate the mobile calculus, and wherein the drill and the transducer are coupled to the elongate shaft.

10. The system of claim 9 , wherein the fluid port includes a plurality of fluid ports that are longitudinally spaced apart along a length of the elongate shaft.

11. The system of claim 9 , wherein the fluid port includes a plurality of fluid ports that are radially spaced apart around the elongate shaft.

12. The system of claim 1 , further comprising:
a delivery member having an elongate shaft including a tubular structure and a fluid delivery channel extending therethrough, wherein the drill is located at a distal end of the elongate shaft, and wherein the drill comprises a fluid port that is in fluid communication with the fluid delivery channel, the fluid port configured to supply a fluid to drill the recess or the passage in the mobile calculus.

13. A method to treat a mobile calculus in a patient, the method comprising:
drilling a hole in the mobile calculus with a drill to create a recess into the mobile calculus or a passage through the mobile calculus, the drill coupled to a distal end portion of an elongate shaft that is deliverable to a treatment site through a working channel;
advancing an acoustic transducer into the recess or the passage, the acoustic transducer being coupled to the elongate shaft proximal of the drill; and
exciting the acoustic transducer to transmit acoustic energy to the mobile calculus to fragment the mobile calculus.

14. The method of claim 13 , further comprising:
deploying a capture portion configured to receive and constrain at least a portion of the mobile calculus.

15. The method of claim 13 , further comprising:
deploying a capture portion including a receiving opening;
receiving the mobile calculus into the receiving opening to capture the mobile calculus;
constraining movement of the mobile calculus relative to the acoustic transducer; and
exciting the acoustic transducer.

16. The method of claim 13 , further comprising:
capturing at least portion of the fragmented mobile calculus and removing the mobile calculus from the patient.

17. The method of claim 13 , further comprising:
suctioning a region around at least a portion of the fragmented mobile calculus to move at least a portion of the fragmented mobile calculus into a working channel.

18. The method of claim 13 , further comprising:
providing fluid through a delivery member having a tubular structure including a surface and a fluid delivery channel extending therethrough, the fluid delivery channel in fluid communication with a fluid port in the surface, wherein providing the fluid causes the fluid to be dispensed from the fluid port into the recess or the passage to cause deterioration of the mobile calculus.

19. A system to deliver energy to treat a mobile calculus, the system comprising:
a drill configured to drill a recess into the mobile calculus or a passage through the mobile calculus; and
an energy emitter configured to be advanced into the recess or the passage and to transmit energy internal to the mobile calculus to fragment the mobile calculus
wherein at least a portion of the drill is located at a distal end portion of a delivery member having an elongate shaft that is deliverable to a treatment site through a working channel, and wherein the energy emitter and the drill are coupled to the elongate shaft with the energy emitter located proximal of the drill.

20. The system of claim 19 , wherein the energy emitter includes at least one of an acoustic transducer, an optoacoustic transducer, a laser node or a fluid jet.

21. The system of claim 19 , wherein the energy emitter emits energy in a lateral direction.

Assignees

• Gyrus Acmi Inc

Inventors

• Schmitt Jeffrey M
• Baker Charles

Classifications

• A61B17/2202 Primary

  the ultrasound transducer being inside patient's body at the distal end of the catheter · CPC title

• A61B17/22

  Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for · CPC title

• A61B18/26

  for producing a shock wave, e.g. laser lithotripsy · CPC title

• A61B2017/00402

  Piezo electric actuators · CPC title

• A61B2017/22079

  with suction of debris · CPC title