CNI Bone Conduction Audio System - Revision history

imported>Lmperry: /* Parts */

2017-06-02T16:54:57Z

Parts

← Older revision		Revision as of 16:54, 2 June 2017
Line 7:		Line 7:

	# [http://www.newmaticmedical.com/mri-audio-systems/p/PatientAmplifier/ Newmatic amplifier box]		# [http://www.newmaticmedical.com/mri-audio-systems/p/PatientAmplifier/ Newmatic amplifier box]
	# Two [http://www.sonitron.be/site/epag.php?primid=&hid=&subid=&eid=30 Sonitron blue-line transducers]. We build two sizes to accommodate adults and small children-- 41mm and 53mm. I have yet to find a US-source for these, but you can order them from RS Exports ([http://export.rsdelivers.com/product/sonitron/sps-53-t00/piezo-audio-speaker-300hz-20khz-960nf/7868939.aspx 53mm] and [http://export.rsdelivers.com/product/sonitron/sps-41-t00/piezo-audio-speaker-450hz-20khz-880nf/7868935.aspx 41mm])		# Two [http://www.sonitron.be/site/epag.php?primid=&hid=&subid=&eid=30 Sonitron blue-line transducers]. We build two (three?) sizes to accommodate adults and small children-- 29mm, 41mm and 53mm. I have yet to find a US-source for these, but you can order them from RS Exports ([http://export.rsdelivers.com/product/sonitron/sps-29-t00/sonitron-miniature-speaker-86db-1-%E2%86%92-20-khz-480nf-5-%E2%86%92-60v-32-x-29-x-45mm/7868932 29mm], [http://export.rsdelivers.com/product/sonitron/sps-53-t00/piezo-audio-speaker-300hz-20khz-960nf/7868939.aspx 53mm] and [http://export.rsdelivers.com/product/sonitron/sps-41-t00/piezo-audio-speaker-450hz-20khz-880nf/7868935.aspx 41mm])
	# 3.5mm to dual RCA 10 foot cable (e.g., [http://www.amazon.com/Hosa-Cable-CMR210-Stereo-Adapter/dp/B000068O3B this one from Amazon])		# 3.5mm to dual RCA 10 foot cable (e.g., [http://www.amazon.com/Hosa-Cable-CMR210-Stereo-Adapter/dp/B000068O3B this one from Amazon])
	# 3.5mm to dual RCA male jack adapters (e.g., [http://www.amazon.com/Monoprice-Premium-Stereo-Female-Plated/dp/B003L14XTO this one from Amazon])		# 3.5mm to dual RCA male jack adapters (e.g., [http://www.amazon.com/Monoprice-Premium-Stereo-Female-Plated/dp/B003L14XTO this one from Amazon])

imported>Bobd at 17:43, 3 May 2016

2016-05-03T17:43:55Z

← Older revision		Revision as of 17:43, 3 May 2016
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	[[File:skullShakers_closeup.jpg\|thumb\|Bone-conduction transducers soldered to the cable. The cloth and felt covers are also shown.]]		[[File:skullShakers_closeup.jpg\|thumb\|Bone-conduction transducers soldered to the cable. The cloth and felt covers have been removed and are also shown.]]
	[[File:skullShakers_closerup.jpg\|thumb\|Close-up of th bone-conduction transducers soldered and hot-glued.]]		[[File:skullShakers_closerup.jpg\|thumb\|Close-up of th bone-conduction transducers soldered and hot-glued.]]
	[[File:newmatic.jpg\|thumb\|Newmatic audio amplifier.]]		[[File:newmatic.jpg\|thumb\|Newmatic audio amplifier.]]

imported>Bobd: /* Instructions */

2016-05-03T17:43:05Z

Instructions

← Older revision		Revision as of 17:43, 3 May 2016
Line 19:		Line 19:
	* Solder each pair of wires to one of the transducers. Keep the paper cover on the back-side of the transducers so the Piezo element is not exposed.		* Solder each pair of wires to one of the transducers. Keep the paper cover on the back-side of the transducers so the Piezo element is not exposed.
	* Use hot glue to neatly secure the wires to plastic shell and create a strain-relief. Ensure that all exposed copper and solder is well-insulated.		* Use hot glue to neatly secure the wires to plastic shell and create a strain-relief. Ensure that all exposed copper and solder is well-insulated.
			* Cover the transducers with cloth. We use a felt inner-covering and a cloth outer covering, both sewn tight around the transducers.
	* Attach the 3.5mm to dual RCA male cable to the Newmatic BNC wires in the scan room. (The BNC T-connector allows you to also connect the Newmatic air-tube transducer if you like.)		* Attach the 3.5mm to dual RCA male cable to the Newmatic BNC wires in the scan room. (The BNC T-connector allows you to also connect the Newmatic air-tube transducer if you like.)
	* Plug the 3.5mm male jack on the 10-foot wire into the 3.5mm female.		* Plug the 3.5mm male jack on the 10-foot wire into the 3.5mm female.
	* Cover the transducers with cloth. We use a felt inner-covering and a cloth outer covering, both sewn tight around the transducers.

imported>Bobd at 17:41, 3 May 2016

2016-05-03T17:41:15Z

← Older revision		Revision as of 17:41, 3 May 2016
Line 1:		Line 1:
	[[File:skullShakers_closeup.jpg\|thumb\|Bone-conduction transducers soldered to the cable. The cloth and felt covers are also shown.]]		[[File:skullShakers_closeup.jpg\|thumb\|Bone-conduction transducers soldered to the cable. The cloth and felt covers are also shown.]]
			[[File:skullShakers_closerup.jpg\|thumb\|Close-up of th bone-conduction transducers soldered and hot-glued.]]
	[[File:newmatic.jpg\|thumb\|Newmatic audio amplifier.]]		[[File:newmatic.jpg\|thumb\|Newmatic audio amplifier.]]
	At the CNI, we have built and maintain an MR-compatible [http://en.wikipedia.org/wiki/Bone_conduction bone conduction] audio system. The system is driven by the [http://www.newmaticmedical.com/mri-audio-systems/p/PatientAmplifier/ Newmatic amplifier box].		At the CNI, we have built and maintain an MR-compatible [http://en.wikipedia.org/wiki/Bone_conduction bone conduction] audio system. The system is driven by the [http://www.newmaticmedical.com/mri-audio-systems/p/PatientAmplifier/ Newmatic amplifier box].

imported>Bobd at 17:35, 3 May 2016

2016-05-03T17:35:35Z

← Older revision		Revision as of 17:35, 3 May 2016
Line 1:		Line 1:
	[[File:~~skullShakers~~.jpg\|thumb\|Bone-conduction transducers.]]		[[File:skullShakers_closeup.jpg\|thumb\|Bone-conduction transducers soldered to the cable. The cloth and felt covers are also shown.]]
	[[File:newmatic.jpg\|thumb\|Newmatic audio amplifier.]]		[[File:newmatic.jpg\|thumb\|Newmatic audio amplifier.]]
	At the CNI, we have built and maintain an MR-compatible [http://en.wikipedia.org/wiki/Bone_conduction bone conduction] audio system. The system is driven by the [http://www.newmaticmedical.com/mri-audio-systems/p/PatientAmplifier/ Newmatic amplifier box].		At the CNI, we have built and maintain an MR-compatible [http://en.wikipedia.org/wiki/Bone_conduction bone conduction] audio system. The system is driven by the [http://www.newmaticmedical.com/mri-audio-systems/p/PatientAmplifier/ Newmatic amplifier box].
Line 11:		Line 11:
	# Two RCA female to BNC male adaptors (e.g., [http://www.amazon.com/GW-Security-Female-Connector-10pcs/dp/B001HBOOH6 these from Amazon])		# Two RCA female to BNC male adaptors (e.g., [http://www.amazon.com/GW-Security-Female-Connector-10pcs/dp/B001HBOOH6 these from Amazon])
	# Two BNC all-female T-connectors (e.g., [http://www.amazon.com/uxcell%C2%AE-Female-Coaxial-Converter-Connector/dp/B01DBZS8DQ these from Amazon])		# Two BNC all-female T-connectors (e.g., [http://www.amazon.com/uxcell%C2%AE-Female-Coaxial-Converter-Connector/dp/B01DBZS8DQ these from Amazon])
			# Cloth to cover the transducers

	=Instructions=		=Instructions=

	* Cut the RCA jacks off of the 10-foot cable.		* Cut the RCA jacks off of the 10-foot cable.
	* Solder each pair of wires to one of the transducers		* Solder each pair of wires to one of the transducers. Keep the paper cover on the back-side of the transducers so the Piezo element is not exposed.
	* Use hot glue to neatly secure the wires to plastic shell and create a strain-relief. Ensure that all exposed copper and solder is well-insulated.		* Use hot glue to neatly secure the wires to plastic shell and create a strain-relief. Ensure that all exposed copper and solder is well-insulated.
	* Attach the 3.5mm to dual RCA male cable to the Newmatic BNC wires in the scan room. (The BNC T-connector allows you to also connect the Newmatic air-tube transducer if you like.)		* Attach the 3.5mm to dual RCA male cable to the Newmatic BNC wires in the scan room. (The BNC T-connector allows you to also connect the Newmatic air-tube transducer if you like.)
	* Plug the 3.5mm male jack on the 10-foot wire into the 3.5mm female.		* Plug the 3.5mm male jack on the 10-foot wire into the 3.5mm female.
			* Cover the transducers with cloth. We use a felt inner-covering and a cloth outer covering, both sewn tight around the transducers.

imported>Bobd: Created page with "Bone-conduction transducers. Newmatic audio amplifier. At the CNI, we have built and maintain an MR-compatible [htt..."

2016-05-03T17:24:37Z

Created page with "thumb|Bone-conduction transducers. thumb|Newmatic audio amplifier. At the CNI, we have built and maintain an MR-compatible [htt..."

New page

[[File:skullShakers.jpg|thumb|Bone-conduction transducers.]]
[[File:newmatic.jpg|thumb|Newmatic audio amplifier.]]
At the CNI, we have built and maintain an MR-compatible [http://en.wikipedia.org/wiki/Bone_conduction bone conduction] audio system. The system is driven by the [http://www.newmaticmedical.com/mri-audio-systems/p/PatientAmplifier/ Newmatic amplifier box].

=Parts=

# [http://www.newmaticmedical.com/mri-audio-systems/p/PatientAmplifier/ Newmatic amplifier box]
# Two [http://www.sonitron.be/site/epag.php?primid=&hid=&subid=&eid=30 Sonitron blue-line transducers]. We build two sizes to accommodate adults and small children-- 41mm and 53mm. I have yet to find a US-source for these, but you can order them from RS Exports ([http://export.rsdelivers.com/product/sonitron/sps-53-t00/piezo-audio-speaker-300hz-20khz-960nf/7868939.aspx 53mm] and [http://export.rsdelivers.com/product/sonitron/sps-41-t00/piezo-audio-speaker-450hz-20khz-880nf/7868935.aspx 41mm])
# 3.5mm to dual RCA 10 foot cable (e.g., [http://www.amazon.com/Hosa-Cable-CMR210-Stereo-Adapter/dp/B000068O3B this one from Amazon])
# 3.5mm to dual RCA male jack adapters (e.g., [http://www.amazon.com/Monoprice-Premium-Stereo-Female-Plated/dp/B003L14XTO this one from Amazon])
# Two RCA female to BNC male adaptors (e.g., [http://www.amazon.com/GW-Security-Female-Connector-10pcs/dp/B001HBOOH6 these from Amazon])
# Two BNC all-female T-connectors (e.g., [http://www.amazon.com/uxcell%C2%AE-Female-Coaxial-Converter-Connector/dp/B01DBZS8DQ these from Amazon])

=Instructions=

* Cut the RCA jacks off of the 10-foot cable.
* Solder each pair of wires to one of the transducers
* Use hot glue to neatly secure the wires to plastic shell and create a strain-relief. Ensure that all exposed copper and solder is well-insulated.
* Attach the 3.5mm to dual RCA male cable to the Newmatic BNC wires in the scan room. (The BNC T-connector allows you to also connect the Newmatic air-tube transducer if you like.)
* Plug the 3.5mm male jack on the 10-foot wire into the 3.5mm female.