Why is KD1 (Yongquan) considered the most clinically important plantar acupoint?

Yongquan (KD1, "Bubbling Spring") is the first point of the Kidney meridian and the only meridian point located on the plantar surface of the foot. Its clinical importance derives from its dual role as both the Kidney well-point (Jing-Well) and a grounding point for ascending Yang energy. In TCM pathology, when Kidney Yin is insufficient to anchor Liver Yang, the latter ascends — producing hypertension, dizziness, tinnitus, facial flushing, insomnia, and anxiety. KD1 moxibustion specifically descends this ascending Yang and anchors Kidney Qi to the sole — the energetic opposite of the crown point Baihui (GV20) where ascending Yang collects. Clinical applications of KD1 moxibustion include: hypertension with Liver-Yang rising pattern (a 2014 systematic review of small randomised trials — Yang et al., Evidence-Based Complementary and Alternative Medicine — reported that moxibustion at KI 1 added to antihypertensive medication was associated with a modest additional systolic reduction of about 5 mmHg, though the underlying trials were of mixed quality; this is traditional complementary support, not a treatment for hypertension); insomnia from Heart-Kidney non-communication (fire above, water below); cold feet and lower extremity coldness from Kidney Yang deficiency; and fainting or loss of consciousness from extreme Yang collapse (a resuscitation point in classical texts). The MX-TL-0002 central plantar heat outlet positions directly over the KD1 location (anterior third of the sole between the 2nd and 3rd metatarsals) for consistent therapeutic delivery.

Is this a registered medical device?

EMIS+ supplies this as a general wellness product, not as a registered medical device. We do not hold or claim medical device registration or certification for it, and it is not intended to diagnose or treat any medical condition. If you need manufacturer documentation for procurement, contact our team and we will request it from the supplier.

How does plantar thermotherapy improve cold extremities in peripheral vascular insufficiency?

Cold hands and feet — whether presenting as Raynaud's phenomenon, functional peripheral vasospasm, or generalised cold constitution (Wei Han in TCM) — result from excessive peripheral arteriolar vasoconstriction reducing distal tissue perfusion. Sustained thermal stimulation of the plantar surface (38–42°C) activates TRPV1 and TRPV4 warm-sensitive thermoreceptors in the plantar skin, triggering a spinal cord reflex arc that inhibits sympathetic vasoconstrictor tone in the lower extremity arterioles — a mechanism termed "axon-flare" or thermally mediated antidromic vasodilation. Published evidence for warming therapy in Raynaud's phenomenon and cold-constitution patterns is limited to small studies, so no specific success rate can be quoted; keeping the feet warm is nonetheless standard self-care advice for cold extremities, and anyone with Raynaud's phenomenon should be guided by their doctor. In TCM, Wei Han (cold extremities) is attributed to Kidney Yang deficiency or Qi deficiency failing to push warm Blood to the periphery. KD1 and KD3 moxibustion warms the Kidney Yang fire and propels warm Qi distally through the meridian pathway — a mechanism directly analogous to improving sympathetic-mediated peripheral vasomotor tone. The MX-TL-0002's three-zone simultaneous thermal delivery addresses both the plantar thermoreceptor reflex pathway and the KD1/KD3 meridian targets concurrently.

Which conditions benefit most from the instep/dorsal foot outlet targeting LR3 and GB41?

The dorsal foot outlets address the Liver (LR3 Taichong) and Gallbladder (GB41 Zulinqi) meridian pathways. LR3 (Taichong, "Great Surge") is the Liver source point and earth point — the primary point for smoothing Liver Qi stagnation, which in TCM underlies stress-related disorders, PMS, premenstrual breast distension, headaches, irritability, and menstrual irregularity. Thermal stimulation of LR3 is beneficial in: stress-induced tension headaches (Liver Yang rising pattern); PMS with irritability, breast distension, and lower abdominal cramping (Liver Qi stagnation — the most common TCM pattern in premenopausal women); menopausal hot flush pattern where Kidney Yin deficiency causes Liver Yang excess. GB41 (Zulinqi, "Foot Governor of Tears") is the confluence point of the Dai Mai (Belt Vessel) — relevant for lateral hip and waist conditions, as well as outer ear and temporal headache presentations. In integrative clinical contexts, dorsal foot thermal stimulation also addresses: plantar fasciitis (dorsal foot fascial tension release complementary to plantar heat); metatarsal neuralgia; and hallux valgus-associated joint inflammation where heat reduces acute inflammatory cytokine expression. The MX-TL-0002 instep heat outlet covers the dorsal foot from mid-metatarsal to ankle, encompassing LR3 at the first-second metatarsal junction and GB41 at the fourth-fifth metatarsal junction simultaneously.

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AiYiSheng

AiYiSheng Multifunctional Warm Feet Moxibustion Appliance

Name: AiYiSheng Multifunctional Warm Feet Moxibustion Appliance
Brand: AiYiSheng
SKU: MX-TL-0002
Price: 819.00 SGD
Availability: OutOfStock
Rating: 4.9 (11723 reviews)

AiYiSheng Multifunctional Warm Feet Moxibustion Appliance

$819.00 SGD

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AiYiSheng Multifunctional Warm Feet Moxibustion Appliance. Genuine AiYiSheng (艾益生) in original packaging, with English support from EMIS+.

Official name: Multifunctional Warm Feet Appliance.

Official English Manual

Multifunctional Warm Feet Appliance official English manual page 3

Multifunctional Warm Feet Appliance official English manual page 4

Multifunctional Warm Feet Appliance official English manual page 5

Ships in the brand's original packaging (box and printed manual primarily in Chinese; official English manual above). Warming and massage products support comfort and relaxation and are not medical treatments. Island-wide Singapore delivery, international available.

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