Vissco Functional Hinged Knee Support with Adjustable Range of Motion vs Dr Trust Signature Series Fingertip Pulse Oximeter (210)
What separates them
These two differ on 6 recorded specifications. The Vissco Functional Hinged Knee Support with Adjustable Range of Motion is ₹100 dearer.
Vissco Functional Hinged Knee Support with Adjustable Range of Motion vs Dr Trust Signature Series Fingertip Pulse Oximeter (210)
Vissco
Vissco Functional Hinged Knee Support with Adjustable Range of Motion
₹1,299
The hinges are the whole difference, and the reason to pay three times a plain knee cap.
Full details →
Dr Trust
Dr Trust Signature Series Fingertip Pulse Oximeter (210)
₹1,199
Plus or minus 2 percent Arms sounds tight until you notice what it means: a displayed 94 percent could be 92.
Full details →Who the Vissco Functional Hinged Knee Support with Adjustable Range of Motion is for
Buy it if: Anyone with ligament instability or recovering from a knee injury who needs lateral support.
Avoid it if: Anyone with simple arthritic ache -- a plain elastic knee cap costs a third as much and does the same thing.
Who the Dr Trust Signature Series Fingertip Pulse Oximeter is for
Buy it if: Anyone monitoring a respiratory condition at home who wants a reading they can sanity-check.
Avoid it if: Anyone expecting hospital-grade certainty -- home oximeters are screening tools, not diagnostics.
Specifications, side by side
6 of 17 rows differ. Differences first.
| Specification | Vissco Functional Hinged Knee Support with Adjustable Range of Motion | Dr Trust Signature Series Fingertip Pulse Oximeter |
|---|---|---|
| Price | ₹1,299 | ₹1,199 |
| Clinical validation | Not applicable -- this is an orthosis, not a measuring device | Accuracy verified against ISO 80601-2-61, the pulse oximeter standard |
| Measurement range | Knee circumference 12 to 20 inches across four sizes | SpO2 35 to 100 percent; pulse rate 30 to 250 bpm |
| Power source | Not applicable | Two AAA cells, approximately 30 hours |
| Regulatory status | Manufactured to Indian orthotic standards; not a notified medical device | CDSCO registered; CE marked |
| Stated accuracy | Not applicable | Plus or minus 2 percent Arms for SpO2 between 70 and 100 percent |
| Stored readings | Not applicable | Last reading only |
| Connectivity | None | None |
| Warranty | 1 Year Manufacturer Warranty | 1 Year Manufacturer Warranty |
| Difference from a knee cap | Hinges resist sideways movement; a plain elastic cap only compresses | not published |
| Display | not published | Colour OLED, four orientations |
| Hinges | Bilateral metal, with stops | not published |
| Known limitation | not published | Nail polish, cold fingers and dark skin tone all reduce accuracy |
| Material | Neoprene-free breathable laminate | not published |
| Open patella | Yes, relieves pressure on the kneecap | not published |
| Perfusion index | not published | Displayed -- a low value means the reading is unreliable |
| Response time | not published | Under 10 seconds |
| Sizing | Measured 15 cm above the knee centre, not at the kneecap | not published |
Every row is a figure one or both products record. A blank is a figure the catalogue does not hold, not a zero.