Abstract: An electrode lead of a pacemaker includes a metal conductive core and a carbon nanotube film. The metal conductive core defines an extending direction. The carbon nanotube film wraps around the metal conductive core. The carbon nanotube film includes a plurality of carbon nanotubes extending substantially along the extending direction of the metal conductive core. A bared part is defined at one end of the electrode lead. A pacemaker using the above mentioned electrode lead is also disclosed.

Abstract: The present disclosure relates to a method for making a pacemaker electrode lead. In the method, the conductive wire structure and the carbon nanotube structure are provided. A conductive material is combined with the carbon nanotube structure to form a carbon nanotube composite structure. The carbon nanotube composite structure is covered on surface of the conductive wire structure to form a conductive wire composite structure.

Abstract: An electrode lead of a pacemaker includes a lead wire. The lead wire includes at least one sub-lead wire and an electrode head electrically connected with the lead wire. The sub-lead wire includes a core wire structure and a carbon nanotube composite structure wound around the core wire structure. The pacemaker includes a pulse generator and the electrode lead electrically connected to the pulse generator.

Abstract: An electrode lead of a pacemaker includes at least one lead wire. The at least one lead wire includes at least one conductive core, a first insulating layer coated on an outer surface of the at least one conductive core, at least one carbon nanotube yarn spirally wound on an outer surface of the first insulating layer, and a second insulating layer coated on the surface of the at least one carbon nanotube yarn. One end of the at least one conductive core protrudes from the first insulating layer to form a naked portion. The at least one carbon nanotube yarn includes a number of carbon nanotubes joined end to end by van der Waals attractive forces. A pacemaker includes a pulse generator and the electrode lead electrically connected with the pulse generator.

Abstract: An electrode lead of a pacemaker includes at least one lead wire including at least one composite conductive core. The at least one composite conductive core includes at least one conductive core and at least one carbon nanotube yarn spirally wound on an outer surface of the at least one conductive core. The at least one carbon nanotube yarn includes a number of carbon nanotubes joined end to end by van der Waals attractive forces. The pacemaker includes a pulse generator and the electrode lead electrically connected to the pulse generator.

Abstract: An electrode lead of a pacemaker includes a lead wire. The lead wire includes at least one sub-lead wire and an electrode head. The sub-lead wire includes a core wire structure, a first insulating layer and a carbon nanotube composite structure. The first insulating layer coats on an outer surface of the core wire structure. The carbon nanotube composite structure is wound around an outer surface of the core wire structure. The electrode head is disposed on an end of the lead wire and electrically connected with the core wire structure of the sub-lead wire. The pacemaker includes a pulse generator and the electrode lead electrically connected to the pulse generator.

Abstract: A pacemaker is provided. The pacemaker includes a pulse generator and an electrode line connecting with the pulse generator. The electrode line includes a conductor, an insulation layer and a shielding layer. The insulation layer is located on an outer surface of the conductor. The shielding layer is located on an outer surface of the first insulation layer. The shielding layer is a carbon nanotube structure having a plurality of radioactive particles therein.

Abstract: A pacemaker is provided. The pacemaker includes a pulse generator and an electrode line connecting with the pulse generator. The electrode line includes at least one conductor. The at least one conductor includes at least one carbon nanotube wire having a plurality of radioactive particles therein.

Abstract: An electrode lead of a pacemaker includes a metal conductive core, a carbon nanotube film, and an insulator. The metal conductive core defines an extending direction. The carbon nanotube film at lest partially surrounds the metal conductive core and is electrically insulated from the metal conductive core. The insulator is located between the metal conductive core and the carbon nanotube film. The carbon nanotube film includes a plurality of carbon nanotubes substantially extending along the extending direction of the metal conductive core. A bared part is defined at one end of the electrode lead. A pacemaker using the above mentioned electrode lead is also disclosed.

Abstract: A lead wire and a pacemaker using the lead wire are disclosed. The lead wire, comprising: a lead body and a lead electrode at an end of the lead body, the lead electrode being electrically connected with the lead body, the lead electrode comprising a carbon nanotube structure, the carbon nanotube structure comprising at least one carbon nanotube film, the carbon nanotube structure having an electrode tip away from the lead body, and the electrode tip being in linear contact with an organ, wherein the electrode tip functions as a stimulating electrode, the at least one carbon nanotube film acts as a sensing electrode.

Abstract: A culture medium is used for culturing neural cells. Each neural cell includes a neural cell body and at least one neurite branched from the neural cell body. The culture medium includes a substrate and a carbon nanotube structure located on the substrate. The carbon nanotube structure includes a number of carbon nanotube wires spaced apart from each other. A distance between adjacent carbon nanotube wires is greater than or equal to diameters of the neural cell bodies. The carbon nanotube wires are capable of guiding extending directions of the neurites.

Abstract: A method for making a culture medium for culturing neural cells is provided. Each neural cell includes a neural cell body and at least one neurite branched from the neural cell body. The method includes the following steps. An original carbon nanotube structure is provided. The original carbon nanotube structure includes at least one drawn carbon nanotube film including a number of carbon nanotubes joined end to end by van der Waals force. The carbon nanotubes are substantially oriented along a same direction. A carbon nanotube structure including a number of carbon nanotube wires spaced from each other is formed from the original carbon nanotube structure. A distance between adjacent carbon nanotube wires is larger than or equal to a diameter of the neural cell body, the carbon nanotube wires are capable of guiding extending directions of the neurites. The carbon nanotube structure is fixed on a substrate.

Abstract: A method for culturing neural cells using a culture medium is provided. Each neural cell includes a neural cell body and at least one neurite branched from the neural cell body. The culture medium includes a substrate and a carbon nanotube structure located on the substrate. A surface of the carbon nanotube structure is polarized to form a polar surface. The neural cells are cultured on the polar surface to grow neurites along the carbon nanotube wires. The carbon nanotube structure includes a number of carbon nanotube wires spaced apart from each other. A distance between adjacent carbon nanotube wires is greater than or equal to a diameter of the neural cell body.

Abstract: A neural graft includes a biological substrate, a carbon nanotube structure and a neural network. The carbon nanotube structure is located on the biological substrate. The carbon nanotube structure includes a number of carbon nanotube wires crossed with each other to define a number of pores. The neural network includes a number of neural cell bodies and a number of neurites branched from the neural cell bodies. An effective diameter of each pore is larger than or equal to a diameter of the neural cell body, the neurites substantially extend along the carbon nanotube wires such that the neurites are patterned.

Abstract: A graft includes a carbon nanotube structure and a biological tissue. The carbon nanotube structure has a polar surface. The polar surface is formed by treating the carbon nanotube structure with polarization. The biological tissue is adhered on the polar surface. In addition, a method for manufacturing a graft is also provided.

Abstract: A semiconductor structure is provided. The semiconductor structure comprises: a substrate; a gate dielectric layer formed on the substrate; a metal gate electrode layer formed on the gate dielectric layer; and at least one metal-containing adjusting layer for adjusting a work function of the semiconductor structure, in which an interfacial layer is formed between the substrate and the gate dielectric layer, and an energy of bond between a metal atom in the metal-containing adjusting layer and an oxygen atom is larger than that between an atom of materials forming the gate dielectric layer or the interfacial layer and an oxygen atom. Further, a method for forming the semiconductor structure is also provided.

Abstract: A culture medium for growing at least one kind of cells is provided. The culture medium includes a carbon nanotube structure and a cell adhesion layer. The cell adhesion layer covers one surface of the carbon nanotube structure. The at least one kind of cells grows on the cell adhesion layer. In addition, a method for manufacturing a culture medium for growing at least one kind of cells is also provided.

Abstract: A method for culturing a number of cells includes the following steps. A culture medium is provided. The culture medium has a carbon nanotube structure and a hydrophilic layer. The hydrophilic layer is formed on a surface of the carbon nanotube structure. A polar layer is formed on a surface of the hydrophilic layer away from the carbon nanotube structure. The cells are seeded and cultured on the polar layer.

Abstract: A nerve graft includes a carbon nanotube structure, a hydrophilic layer, and a nerve network. The hydrophilic layer having a polar surface is located on a surface of the carbon nanotube structure. The nerve network positioned on the polar surface of the hydrophilic layer includes a number of neurons connecting with each other. The nerve network has a polarity. The polar surface of the hydrophilic layer has a polarity attracted to the polarity of the nerve network.

Abstract: A method for forming a culture medium includes the following steps. A carbon nanotube structure is provided. A hydrophilic layer is formed on a surface of the carbon nanotube structure. The hydrophilic layer is polarized to form a polar surface on the hydrophilic layer. A number of neurons are formed on the polar surface of the hydrophilic layer.