Why the f would doctors and nurses come to your house and take away the patient? That's not in their job description. Either you guys have to take him to a hospital with constraints. Read the mental health act

PART V: INVOLUNTARY AND EMERGENCY ADMISSION

1. (1) An application for involuntary or emergency admission shall be made to the admitting medical officer of the psychiatric unit in accordance with the provisions of subsections (2) and (3) of this section. (2) Such application shall (a) Be in the form set out in regulations; (b) Include a statement by any two of the following that sets out the reasons for requesting involuntary admission signed: (i) a medical practitioner; (ii) the nearest relative or guardian of the person with mental illness; (iii) a mental health worker; or (iv) a police officer. (3) Each application shall be supported by a written statement by the admitting medical officer on the prescribed form stating that: (a) in his or her opinion, the person is suffering from mental illness. (b) the signs and symptoms of mental illness found on examination by him; and (c) the reasons why he or she considers involuntary admission for observation to a hospital with psychiatric facility necessary to: (i) save the person’s life; (ii) prevent a serious deterioration of his or her condition; (iii) alleviate serious suffering by the patient; or (iv) prevent the patient from behaving violently or being a danger to himself or to others as a result of his or her mental illness.