Acupuncture Points Notebook

Location Guides:

: Zhongliao : Middle Crevice

Bl-33 : Foot Taiyang Bladder 33


Meetings:
Meeting of Bladder with Gall Bladder

Location:
Over the third posterior sacral foramen.

Needling:
Perpendicular insertion 0.5 - 1 cun, or 1.5 - 2 cun through the foramen.

Warning:
Contraindicated during pregnancy.


TCM Actions:
Regulates the lower jiao and facilitates urination and defecation
Regulates menstruation and stops leucorrhoea
Benefits the lumbar region and legs

TCM Indications:
  • Difficult urination and defecation, constipation, diarrhoea containing undigested food, retention of urine, painful urinary dysfunction, abdominal distension.
  • Leucorrhoea, irregular menstruation, scanty menstruation, infertility.
  • Lumbar pain, pain and cold of the sacrum and coccyx, cold sensation of the buttocks, atrophy disorder and painful obstruction of the lower limb.
  • The five taxations, the seven injuries and the six extremes.

    Neuroanatomy:
    Superficial Innervation: Dorsal rami of S1 - S3
    Dermatome Segment: S3
    Deeper Structures: Sacral nerve S1 emerging from foramen

    Notes:
    One of the Baliao or "eight crevices" located in the sacral foramen which all regulate urination, defecation, menstruation and benefit the lumbar region and legs.

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    Sacral Nerve Stimulation using an implanted device to electrostimulate this point has beeen adopted by modern surgeons to treat urinary urge incontinence and frequency (NICE guidelines). See also PTNS, a similar procedure at Sanyinjiao Sp-6.

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    Reference Notes: (click to display)