SYSTEMS AND METHODS FOR PROVIDING PULSE AMPLITUDE MODULATION (PAM)-ENCODED SURGICAL IMAGING DATA
An exemplary system for acquiring surgical imaging data comprises a surgical imaging device for generating Pulse Amplitude Modulation (PAM)-encoded surgical imaging data, wherein the PAM-encoded surgical imaging data comprises a plurality of pulses, and each pulse of the plurality of pulses is configured to have one of more than two amplitude levels; an imaging processor for receiving data corresponding to the PAM-encoded surgical imaging data; and a galvanic isolation component between the surgical imaging device and the imaging processor.
1 . A system for acquiring surgical imaging data, comprising:
a surgical imaging device for generating Pulse Amplitude Modulation (PAM)-encoded surgical imaging data, wherein:
the PAM-encoded surgical imaging data comprises a plurality of pulses, and
each pulse of the plurality of pulses is configured to have one of more than two amplitude levels;
an imaging processor for receiving data corresponding to the PAM-encoded surgical imaging data; and
a galvanic isolation component between the surgical imaging device and the imaging processor.
2 . The system of claim 1 , wherein each pulse of the plurality of pulses is configured to have one of four amplitude levels, one of eight amplitude levels, or one of sixteen amplitude levels.
3 . The system of claim 1 , wherein the PAM-encoded surgical imaging data is encoded and transmitted in accordance with the A-PHY standard.
4 . The system claim 1 , wherein the surgical imaging device comprises:
one or more imaging sensors for generating original surgical imaging data; and
an encoder for encoding the original surgical imaging data to obtain the PAM-encoded surgical imaging data.
5 . The system of claim 4 , wherein the encoder is a programmable device or an application-specific integrated circuit (ASIC).
6 . The system of claim 1 , wherein the surgical imaging device comprises one or more imaging sensors for generating the PAM-encoded surgical imaging data.
7 . The system of claim 1 , further comprising a cable for transmitting the PAM-encoded surgical imaging data from the surgical imaging device, wherein the cable comprises a transmission line.
8 . The system of claim 7 , wherein the transmission line is a twisted pair transmission line.
9 . The system of claim 7 , wherein the transmission line is a coaxial transmission line.
10 . The system of claim 7 , wherein the transmission line is configured to transmit power from the imaging processor to the surgical imaging device.
11 . The system of claim 7 , wherein the cable is configured to transmit a control signal from the imaging processor to the surgical imaging device.
12 . The system of claim 11 , wherein the control signal and the PAM-encoded signal are transmitted as a plurality of data packets along the transmission line.
13 . The system of claim 12 , wherein the plurality of packets have the same structure.
14 . The system of claim 12 , wherein at least one of the plurality of packets is configured to be retransmitted using a retransmission buffer.
15 . The system of claim 7 , wherein the system further comprises a light source, wherein the surgical imaging device is configured to output one or more light pulses, and wherein synchronization of the light source and the one or more light pulses is controlled by a synchronization signal on the transmission line.
16 . The system of claim 1 , wherein the galvanic isolation component comprises a magnetic transformer or one or more CMOS isolation circuits.
17 . The system of claim 1 , further comprising a decoder for decoding the PAM-encoded surgical imaging data.
18 . The system of claim 17 , wherein the galvanic isolation component is located between the surgical imaging device and the decoder.
19 . The system of claim 17 , wherein the galvanic isolation component is located between the decoder and the imaging processor.
20 . The system of claim 1 , wherein the surgical imaging data comprises at least one of pixel data and voxel data.