IP Library › Granted Patent US 12,324,572
Granted Patent B2
US 12,324,572 · App. 18/825,442 · Granted Jun 10, 2025

Integrated instrument assembly

Inventors: James Dinh (Irvine, CA); Phillip A. Thompson (Pawnee, IL); Dennis Schroeder (Los Angeles, CA); Brian Roselauf (Rancho Santa Margarita, CA); David P. Lalor, Jr. (Mission Viejo, CA)
Assignee: Vertos Medical, Inc.
A61B17/02A61B17/1671A61B17/3423A61B2017/0256
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Quick Facts
Patent No.
US 12,324,572
App. No.
18/825,442
Granted
Jun 10, 2025
Kind
B2
Abstract

Systems, devices, and methods for performing minimally invasive spinal procedures are described herein. The systems, devices, and methods may be used to percutaneously access the spinal canal and perform a spinal procedure in multiple locations along the canal, e.g., bilaterally and/or at multiple levels from a single access point. The systems and devices may integrate various instruments for performing the procedures, thus improving their ease of use, reducing procedural complexity, and minimizing procedure time.

Claims (46)

1. A method for accessing a spinal region in a patient comprising:

percutaneously introducing an integrated assembly into the spinal region, wherein the integrated assembly comprises:

a portal cannula having a proximal end and a distal tip, and

a portal grip comprising a housing slidingly attached to the portal cannula;

advancing the distal tip of the portal cannula to a target depth in the spinal region;

sliding the portal grip along the portal cannula to contact a skin surface of the patient; and

rotating at least a portion of the housing to lock the portal grip at a first position on the portal cannula thereby fixing the distal tip of the portal cannula at the target depth.

2. The method of claim 1 , wherein locking the portal grip comprises rotating the housing into axial alignment with the portal cannula.

3. The method of claim 1 , further comprising unlocking the portal grip from the portal cannula, wherein unlocking comprises rotating at least the portion of the housing or rotating the housing out of axial alignment with the portal cannula.

4. The method of claim 3 , further comprising sliding the portal grip to a second position along the portal cannula, and locking the portal grip at the second position.

5. The method of claim 1 , further comprising removing a trocar at least partially disposed within the portal cannula from the portal cannula after locking the portal grip at the first position on the portal cannula.

6. The method of claim 1 , wherein the integrated assembly further comprises a depth guide, and further comprising using the depth guide to adjust a distance of extension of a working instrument from the distal tip of the portal cannula.

7. The method of claim 1 , further comprising advancing a working instrument through a lumen of the portal cannula.

8. A method comprising:

percutaneously introducing an integrated assembly into a spinal region, wherein the integrated assembly comprises:

a portal cannula having a proximal end and a distal tip, and

a portal grip comprising a housing slidingly attached to the portal cannula, wherein

a portion of the housing is spherically shaped and comprises a first component coupled to a second component;

advancing the distal tip of the portal cannula to a target depth in the spinal region;

sliding the portal grip along the portal cannula to contact a skin surface of a patient; and

locking the portal grip at a first position on the portal cannula by rotating the first component with respect to the second component thereby fixing the distal tip of the portal cannula at the target depth.

9. A method comprising:

percutaneously introducing an integrated assembly into the spinal region, wherein the integrated assembly comprises:

a portal cannula having a proximal end and a distal tip, and

a portal grip comprising a housing slidingly attached to the portal cannula, wherein the portal grip comprises a locking assembly having a collet disposed about the portal cannula;

advancing the distal tip of the portal cannula to a target depth in the spinal region;

sliding the portal grip along the portal cannula to contact a skin surface of a patient; and

locking the portal grip at a first position on the portal cannula by compressing the collet against an outer surface of the portal cannula thereby fixing the distal tip of the portal cannula at the target depth.

10. The method of claim 9 , wherein the collet is configured as a spiral cam, and wherein locking the portal grip comprises tightening the spiral cam around an outer surface of the portal cannula.

11. A method for accessing a spinal region in a patient comprising:

percutaneously introducing an integrated assembly into the spinal region, the integrated assembly comprising a trocar removably disposed within a portal cannula;

advancing the integrated assembly to a target depth in the spinal region;

fixing the portal cannula at the target depth by sliding a portal grip along the portal cannula toward a skin surface of the patient and locking the portal grip at a first position, wherein the portal grip comprises a locking assembly having a collet disposed about the portal cannula, and wherein locking the portal grip comprises compressing the collet against an outer surface of the portal cannula; and

removing the trocar from the portal cannula.

12. The method of claim 11 , further comprising identifying a target region of the spinal region using fluoroscopy.

13. The method of claim 11 , wherein rotation of at least a portion of the portal grip locks the portal grip at the first position on the portal cannula.

14. The method of claim 11 , wherein a portion of the portal grip is spherically shaped and comprises a first component coupled to a second component, and wherein locking the portal grip comprises rotating the first component with respect to the second component.

15. The method of claim 11 , further comprising advancing a working instrument through a lumen of the portal cannula.

16. A method for accessing a spinal region in a patient comprising:

percutaneously introducing a portal cannula into the spinal region;

advancing the portal cannula to a target depth in the spinal region;

fixing the portal cannula at the target depth by sliding a portal grip along the portal cannula toward a skin surface of the patient and rotating a component of the portal grip to lock the portal grip at a first position; and

advancing a working instrument through a portal cannula fixed at a target depth in the spinal region.

17. The method of claim 16 , further comprising identifying a target region of the spinal region using fluoroscopy.

18. The method of claim 16 , wherein a portion of the portal grip is spherically shaped and comprises a first component coupled to a second component, and wherein rotating the component of the portal grip comprises rotating the first component with respect to the second component.

19. The method of claim 16 , wherein the portal grip comprises a locking assembly having a collet disposed about the portal cannula, and wherein locking the portal grip comprises compressing the collet against an outer surface of the portal cannula.

Continuity (3)
Continuation 18335956 · Jun 15, 2023
Provisional Application 63352997 · Jun 16, 2022
Related Publication 20240423601A1 · Dec 26, 2024
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