# US 10,441,368 B2 · System and technique for accessing extra articular lesions or abnormalities or intra osseous lesions or bone marrow lesions

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- Number: US 10,441,368 B2
- Document ID: US10441368B2
- Status: Granted
- Kind: B2
- Application number: 15/889,883
- Filed: 2018-02-06
- Published: 2018-06-14
- Granted: 2019-10-15
- Earliest claimed: 2016-02-19
- Applicants: Rajiv D. Pandya
- Inventors: Rajiv D. Pandya
- Web page: https://patentgrep.com/patent/US10441368B2

## CPC

- A61B 34/20: Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B 17/1764: {for the knee}
- A61B 17/34: Trocars; Puncturing needles
- A61B 17/3472: {for bones, e.g. intraosseus injections}
- A61B 90/11: with guides for needles or instruments, e.g. arcuate slides or ball joints
- A61B 17/8805: {for introducing fluid filler into bone or extracting it (A61B17/7097, A61B17/8833 take precedence)}
- A61B 2017/3405: {using mechanical guide means}
- A61B 2017/564: {Methods for bone or joint treatment}
- A61B 2034/107: {Visualisation of planned trajectories or target regions}
- A61B 2034/2046: {Tracking techniques}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

A technique for accessing extra articular lesions or abnormalities or intra osseous lesions or abnormalities or bone marrow lesions or all has the step of positioning the localizing pinning member onto cartilage or subchondral bone to define a virtual pathway through the cartilage or subchondral bone towards or into or through the lesion or abnormality or a desired target to create the virtual pathway utilizing an intra articular localizing pinning member to determine a location of the lesion or abnormality wherein the utilization of the localizing pinning member includes the step to locate or stabilize or both and thereafter using the virtual pathway to create an entry access.

## Claims

### Claim 1

A system for accessing extra articular lesions or abnormalities or intra osseous lesions or abnormalities or bone marrow lesions, comprising an intra articular localizing pinning member to determine a location of the lesion or abnormality; an adjustable guide component, the adjustable guide component having a first arm and a movable second arm, the first arm having a first end and a second end, the first end of the first arm attachable to an exposed portion of the intra articular localizing pinning member at a predetermined position on a shank of the localizing pinning member and the second arm being coupled to a coupling at the second end of the first arm, the coupling configured to move along a straight portion of a second arm, the straight portion of the second arm extends to a curved arcuate portion of the second arm, the curved arcuate portion holds a movable guide component for locating an entry access; and wherein the utilization of the localizing pinning member includes positioning an end of the localizing pinning member onto cartilage or subchondral bone without entering the bony lesion or abnormality to define a virtual pathway extending from the end of the localized pinning member through the lesion or abnormality prior to creating a first entry access, holding the end of the localizing pinning member against the cartilage or subchondral bone positioned along the virtual pathway, wherein manipulating the adjustable guide component about the localizing pinning member establishes a first entry access point for the creation of the first entry access based on the relevant anatomy at a location where the movable guide component is set on the curved portion of the second arm so a track extending from the first entry access point is adjustably aligned to intersect the virtual pathway at the desired target location or adjusted therefrom by a fixed distance on the virtual pathway by moving the movable second arm relative to the first arm.

### Claim 2 (depends on 1)

The system of claim 1 further comprises the movable guide component having an opening for passing a drill, a pin or a punch, the opening being translatable about the guide component to form the first entry access to a desired depth within or in the proximity of the lesion or abnormality.

### Claim 3 (depends on 1)

The system of claim 1 wherein the straight portion of the second arm has a calibrated scale extending along at least a portion of a length of the straight portion.

### Claim 4 (depends on 3)

The system of claim 3 wherein a movement of the second arm relative to the first arm along the straight portion of the second arm correspondingly adjusts the location of the first entry access.

### Claim 5 (depends on 1)

The system of claim 1 wherein the straight portion of the second arm and the coupling of the first arm includes a distance adjustment mechanism to linearly move the second arm relative to the first arm.

### Claim 6 (depends on 5)

The system of claim 5 wherein the distance adjustment mechanism is a thumb screw that fixes the second arm to the coupling of the first arm at a desired adjusted distance along the virtual pathway relative to an intersection point of a track of a drill, punch or pin and the virtual pathway.

### Claim 7 (depends on 1)

The system of claim 1 wherein the first arm is disposable or non-disposable.

### Claim 8 (depends on 1)

The system of claim 1 wherein the second arm is made of metal.