Info | Technical Specification - CuroCell A4 – Instructions of Use
Learn more about the CuroCell A4 mattress and control unit with the technical specifications listed.
Table of Contents
NB: Care of Sweden reserves the right to modify the product specification at any time.
Control Unit Specification | ||
| Model | CuroCell® A4 | |
| Input voltage | 100‐240 V / 50‐60 Hz | |
| Power consumption | 1.5 A | |
| Mode of operation | Alternating, Pulsating and CLP (Constant low pressure) | |
| Duty cycle | (Pulsating and Alternating) | 10 min, 15 min, 20 min, 25 min |
| Power supply | Ungrounded AC outlet, electrical safety class II | Use only power supply with P/N WR9QE1500LRPCIMG3138 |
| Dimensions (L x W x H) | 11 cm x 30 cm x 20 cm | |
| Weight | 2.9 kg | |
| Sound level, control unit, max: | EN ISO 11201:2010 -17 dBA (at operator position), 16,5 dBA (at head end). ISO 3746:2010 – 25 dBA. | |
| Environmental | Temperature |
Operation: +5 to 40°C Storage: -25 to 70°C Transport: -25 to 70 °C |
| Humidity |
Operation: 15 % – 93 % non‐condensing Storage: < 93 % non‐condensing |
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| Atmospheric | 700 hPa – 1060 hPa | |
| Electrical classification | Class II, Type BF | |
| IP classification | IP42 | |
| Degree of safety in presence of inflammable anesthetics: | The device is not intended for use with flammable anaesthetic gases | |
| Applied part | Mattress | |
Mattress Specification | ||
| Model | Dimensions (WxLxH) | Weight |
| CuroCell® OP10 | 80/85/90 x 200/210 x 10 cm | 3,7 kg (80x200 cm) |
| CuroCell® CX10 | 80/85/90/100/105/120 x 200/210 x 10 cm | 5,2 kg (80x200 cm) |
| CuroCell® CX15 | 80/85/90/100/105/120 x 200/210 x 15 cm | 10,0 kg (80 x 200 cm) |
| CuroCell® CX16 | 80/85/90/100/105/120 x 200/210 x 16 cm | 12,0 kg (80x200 cm) |
| CuroCell® CX20 | 80/85/90/100/105/120 x 200/210 x 20 cm | 11,0 kg (80x200 cm) |
CuroCell A4/IQ has information signal with LED indicators, on the control panel, and sound (discontinuous) for high/low pressure, power failure, wrong air connections/no mattress installed and for service notification.
All situations when there is a need for an acoustic- and visible- signal from the control unit is regarded as an information signal.
See table below for determination of alarm conditions which is specified in the standard IEC 60601-1-8.
Table 1 - Determination of ALARM CONDITIONS and assignment of priorities
Potential result of failureto respond to the causeof ALARM CONDITION |
Onset of potential HARM a |
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Immediate b |
Prompt c |
Delayed d |
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| Death or irreversible injury | HIGH PRIORITY ALARM CONDITION e | HIGH PRIORITY ALARM CONDITION | MEDIUM PRIORITY ALARM CONDITION | |
| Reversible injury | HIGH PRIORITY ALARM CONDITION | MEDIUM PRIORITY ALARM CONDITION | LOW PRIORITY ALARM CONDITION | |
| Discomfort or reversible minor injury | MEDIUM PRIORITY ALARM CONDITION | LOW PRIORITY ALARM CONDITION | LOW PRIORITY ALARM CONDITION, no ALARM CONDITION or INFORMATION SIGNAL | |
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a b c d e
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Onset of potential HARM refers to when an injury occurs and not to when it is manifested. Having the potential for the event to develop within a period of time not usually sufficient for manual corrective action. Having the potential for the event to develop within a period of time usually sufficient for manual corrective action. Having the potential for the even to develop within an unspecified time greater than that given under “prompt”. Where practicable, ME EQUIPMENT with a therapeutic function incorporates automatic safety mechanisms to prevent immediate death or irreversible injury caused by the ME EQUIPMENT. See also appropriate particular standards.
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In our risk management process we have determined the potential failure to respond to the cause of alarm condition to be “Discomfort or reversible minor injury” and the potential harm to be “Delayed” which is our rationale for information signal.
Information signals are not specified or controlled by IEC 60601-1-8.
In IEC 60601-1 there is only specified an upper level which the signal should not exceed.
CuroCell A4 is tested and approved according to IEC 60601-1 but there is no clause in that standard specifying a lowest level for an information signal.
We have chosen a sound level of the acoustic information signal from CuroCell A4 with a distinct difference than signals from other medical devices with High or Medium Alarm conditions.
This will make it easier for the personnel in the hospitals to tell the difference between an information signal and a signal for high alarm condition.
Therefore, the sound level can be seen as quiet but it's made with a purpose.
Learn more about the CuroCell A4 product line, along with other Care of Sweden products by visiting the Crescent Healthcare website, and by reading the articles under the Care of Sweden category.