Acupuncture Points Notebook

Location Guides:

: Tiantu : Heavenly Prominence

Ren-22 : Extraordinary Conception Vessel 22

Point of the Window of Heaven
Master Tung's Metal Five

Meeting of Conception Vessel with Yin Wei Mai, Gall Bladder Divergent, Liver Divergent, Stomach Divergent, Spleen Divergent and Heart Divergent

On the midline, in the centre of the suprasternal fossa 0.5 cun superior to the suprasternal notch.

Perpendicular insertion 0.3 cun, or with the neck extended (remove head pillow) needle first perpendicularly 0.2 - 0.3 cun, then direct the needle inferiorly along the posterior border of the manubrium of the sternum 0.5 - 1 cun.

This second method should not be attempted by practitioners without clinical experience under supervision.

TCM Actions:
Descends rebellious qi and alleviates cough and wheezing
Benefits the throat and voice

TCM Indications:
  • Obstruction in the chest, fullness of the chest, obstruction of qi with Heart pain, pain of the Heart and back, rebellious qi with cough, asthma, sudden dyspnoea, inability to breathe, abscess of the Lung with purulent bloody coughing.
  • Rattling sound in the throat, accumulation of phlegm in the throat, plumstone qi, ulceration of the throat which prevents eating, swelling of the throat, cold sensation of the throat, dry throat, much spittle, throat painful obstruction, cracked voice, inability, swelling of the neck, goitre.
  • Oesophageal constriction, vomiting, jaundice.
  • Purple-green veins beneath the tongue, nosebleed, heat sensation of the skin of the face, red face, swelling of the back of the neck and shoulder, chills and fever, heat sensation of the skin of the abdomen, urticaria, numbness of the flesh of the body.

    Superficial Innervation: Transverse (superficial or cutaneous) cervical nerve (C2, C3)
    Dermatome Segment: C3

    Important point for treating all Lung and throat disorders.


    Ling Shu Ch. 20, On the Five Evils, advises piercing either this point or Qupen St-12 (depending on how the location "in the middle of the Broken Basin" is interpreted) along with Zhongfu Lu-1, Yunmen Lu-2 and Feishu Bl-13 for pathogens in the Lung.

    Ling Shu Ch. 59, On Abnormal Wei Qi, advises this point, Renying St-9 and Lianquan Ren-23 (referred to as Houzhong) to drain accumulations in the chest. If there are accumulations in the chest and abdomen then these three points are coupled with Qichong St-30 and Zusanli St-36 used for draining accumulations below and Zhangmen Liv-13 in the middle. In severe cases a "chicken claw" technique, using three needles positioned like the character 个 Ge, are to be used. If the pulse is large and wiry and the the abdomen is tense it must not be pierced.

    Ling Shu Ch. 69, On Grief, Rage and Loss of Voice, advises removing Cold from this point if the patient has lost their voice.


    In Tung's acupuncture this point is called Jin Gan and forms one of the Metal Five (Jin Wu), a series of five points that start at the upper border of the manubrium and descend at 1 cun intervals, approximately overlapping with Ren-18 to Ren-22. They are all indicated for difficultly breathing as well as their traditional indications for each point (McCann, 2014, Pricking the Vessels).


    In the qabalah this point would be the location of da'ath.


    In Mayan medicine:
    Punctured quickly from above, below, left and right, then rubbed with deer fat to treat chronic asthma, cough and flu.
    Sometimes combined with Xuanji Ren-21 to strengthen effect and Shufu Kid-27 to form a cross representing the 4 cardinal directions. May also be combined with a cross on the top of the head (Houding Du-19, Qianding Du-21 and Luoque Bl-8) or points between each of the ribs beside the sternum (Kid-22 to Kid-26) (Garcia, Sierra, Balam, 1999: Wind in the Blood).


    In Hindu tantrism this point would be the likely equivalent of the kshetram or activation point of the Vishuddha chakra.


    Lad and Durve (2008) in Marma Points of Ayurveda call this point Kanthanadi and associate it with the doshas: Prana Vayu, Udana Vayu, Vyana Vayu, Sadhaka Pitta and Avalambaka Kapha.

    They give the following functions:
    - Benefits lungs, pharynx, larynx, trachea
    - Calms respiration, stimulates bronchodilation
    - Benefits speech
    - Regulates thyroid and parathyroid functions
    - Improves metabolism
    - Regulates cardiac functions
    - Releases suppressed emotions


    In Tibetan medicine:
    Can be treated by burning cones of dried edelweiss flowers (Trah-wah) over crushed garlic at this point for hiccups, blockages of the throat and dislocation of the heart (Bradley, 2000: Principles of Tibetan Medicine)


    In Thai massage:
    Acupressure point along the Sumana sen line running from the navel Shenque Ren-8 to this point.
    Indicated for asthma, breathing difficulties, hiccups, mouth disorders and respiratory ailments.
    (Salguero & Roylance, 2011, Encyclopedia of Thai Massage)

    Reference Notes: (click to display)