# US 12,667,270 B2 · Cable for use with pressure monitoring catheters

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- Number: US 12,667,270 B2
- Document ID: US12667270B2
- Status: Granted
- Kind: B2
- Application number: 18/216,645
- Filed: 2023-06-30
- Published: 2024-01-04
- Granted: 2026-06-30
- Earliest claimed: 2019-08-08
- Assignees: Sentinel Medical Technologies, LLC
- Applicants: Sentinel Medical Technologies, LLC
- Inventors: Timothy McKinney; Marc-Alan Levine; Michael Leedle
- Web page: https://patentgrep.com/patent/US12667270B2

## CPC

- A61B 5/036: {by means introduced into body tracts (A61B5/032 and A61B5/035 take precedence)}
- A61B 5/0004: {characterised by the type of physiological signal transmitted}
- A61B 5/1116: {Determining posture transitions}
- A61B 5/6853: {with a balloon}
- A61B 5/742: {using visual displays (displays for heart-related electrical signals, e.g. ECG, A61B5/339)}
- A61M 25/04: in the body, e.g. expansible {(A61M25/10, A61M16/0488 take precedence)}
- A61M 25/1011: {Multiple balloon catheters}
- A61M 27/00: Drainage appliance for wounds or the like {, i.e. wound drains, implanted drains} ({negative pressure wound therapy devices A61M1/90;} implements for holding wound open A61B17/02 {; middle ear drainage A61F11/202})
- A61B 2560/0223: of calibration, e.g. protocols for calibrating sensors
- A61B 2560/0252: using ambient temperature
- A61B 2560/0257: using atmospheric pressure
- A61M 25/1002: {characterised by balloon shape (A61M25/1006, A61M25/1009 take precedence)}
- A61M 2025/1013: {with concentrically mounted balloons, e.g. being independently inflatable}
- A61M 2205/3344: Measuring or controlling pressure at the body treatment site
- A61M 2210/1085: Bladder
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)}

## Abstract

A cable for use with a pressure monitoring catheter, the catheter including an inflatable balloon forming a fluid chamber for pressure measurement. The cable has a first end operably connectable to the catheter, a second end operably connectable to a monitor providing pressure displays, and a printed circuit. The cable includes one or both of the filter system to enable collection and analysis of data and an adjustment feature to adjust pressure values in response to patient movement.

## Claims

### Claim 1

A cable for use with a pressure monitoring catheter, the cable having a first end configured to operably connect to the pressure monitoring catheter, a second end configured to operably connect to a monitor which is configured to display pressure values, and a printed circuit, the cable configured to obtain a plurality of pressure readings and configured to store in memory the pressure readings, the cable including a movement adjustment feature configured to adjust pressure values by calculating and comparing pressure differences in response to a patient moving from a supine position to an elevated position to account for changes in the pressure due to the patient moving, the movement adjustment feature configured to compare pressure readings in the elevated position to pressure readings in the supine position and calculate a difference for adjustment of the pressure readings in the elevated position.

### Claim 2 (depends on 1)

The cable of claim 1, wherein the cable includes a temperature adjustment feature configured to adjust pressure values in response to temperature changes.

### Claim 3 (depends on 1)

The cable of claim 1, wherein the cable includes a barometric pressure adjustment feature configured to adjust pressure values in response to barometric pressure changes.

### Claim 4 (depends on 1)

The cable of claim 1, wherein the cable includes a filtering system configured to collect and analyze a data input, the filtering system configured to filter out upper values of pressure values and take lower values of the pressure values over specific periods of time.

### Claim 5 (depends on 4)

The cable of claim 4, wherein the filtering system is configured to take a predetermined number of samples representative of a lowest value of the pressure values and calculate an average value from the predetermined number of samples for display of the average value based solely on the lower values.

### Claim 6 (depends on 5)

The cable of claim 5, wherein the cable is configured to calculate the average value multiple times and wherein the cable is configured to communicate with a monitor which is configured to display the average value in a line readout.

### Claim 7 (depends on 1)

The cable of claim 1, wherein the cable further comprises a housing with a channel, the channel configured to receive an elongated rod of the catheter, the channel including an O-ring seal through which the elongated rod passes, wherein the channel includes a first spacer and a second spacer, the first spacer on a first side of the O-ring and the second spacer on a second side of the O-ring, and wherein the O-ring is configured so the position of the O-ring effects an amount of air displaced by the elongated rod when inserted into the channel to charge the second balloon.

### Claim 8 (depends on 1)

The cable of claim 1, wherein a data output of the cable is filtered data.

### Claim 9 (depends on 1)

The cable of claim 1, further comprising an indicator on the cable, the indicator configured to indicate if a data output of the cable is for the supine position or the elevated position.

### Claim 10 (depends on 1)

The cable of claim 1, further including a pressure sensor and locking mechanism for locking to a connector of the pressure monitoring catheter, wherein attachment of the cable displaces air within the catheter to inflate a pressure measuring balloon of the catheter.

### Claim 11 (depends on 8)

The cable of claim 8, wherein the cable is configured to selectively activate a display of the monitor in communication with the cable, the selective activation alternating from unfiltered pressure data to the filtered data.

### Claim 12 (depends on 8)

The cable of claim 8, wherein the cable includes a capture button, the capture button configured to be activated, the activation causing the cable to capture and store into the memory the filtered data in the supine position and the elevated position of the patient.

### Claim 13 (depends on 1)

The cable of claim 1, wherein the cable is configured to store into memory a supine pressure measurement when the patient is in the supine position and store into memory an elevated pressure measurement when the patient is in an elevated position.

### Claim 14 (depends on 13)

The cable of claim 13, wherein the cable is configured to subtract the difference from the elevated pressure measurement.
