clinic/netforce_clinic/models/product.py

from netforce.model import Model, fields

class Product(Model):
    _inherit="product"
    _fields={
        'patient_types': fields.Many2Many("clinic.patient.type","Patient Types"),
        'departments': fields.One2Many('clinic.department.product','product_id','Departments'),
        'report_visible': fields.Boolean("Report Visible"),
    }

Product.register()