Abstract: A method includes forming a first conductive feature, depositing a passivation layer on a sidewall and a top surface of the first conductive feature, etching the passivation layer to reveal the first conductive feature, and recessing a first top surface of the passivation layer to form a step. The step comprises a second top surface of the passivation layer. The method further includes forming a planarization layer on the passivation layer, and forming a second conductive feature extending into the passivation layer to contact the first conductive feature.

Abstract: A non-sharp vascular infusion device and related method are disclosed. The non-sharp vascular infusion device permits medicine to be introduced into an IV assembly without creating a danger to healthcare personnel.

Abstract: A liquid aspirating and medicine adding injection needle includes a needle body with only about 1 cm length, a needle barrel and a needle head respectively positioned at two ends of the needle body. The injection needle is formed with a perforation passing through the needle body from outer side to inner side. The needle head has a diameter tapered to the front end and has a conic pattern. The front end of the needle head is obtuse so as to avoid impalement of human body.

Abstract: A drug-adding tube of infusion set, including a tubular main body two ends of which are respectively connected with the infusion set. At least one drug-adding tube is obliquely disposed on the main body. The drug-adding tube is formed with a neck section adjacent to the main body. The neck section has reduced inner diameter. A rubber-made valve plug is plugged in an opening of the drug-adding tube. The valve plug is formed with an insertion port. A valve body is formed in the valve plug to interrupt the insertion port. The center of the valve body is formed with a split passing through the valve body. In normal state, due to the valve body's own resilience, the split is compressed and sealed. When a syringe frees from any needle is inserted into the insertion port, the syringe stretches open the split of the valve body to free the same.

Abstract: Needleless vascular infusion port apparatuses are disclosed. The infusion ports include a needleless valve that permits infusion of a liquid into the infusion port without use of a sharp.