Global Vagus Nerve Stimulators Market Professional Survey Report 2018

March 2018 | 118 pages | ID: G953FD46D0AQEN
QYResearch

Abstracts

This report studies Vagus Nerve Stimulators in Global market, especially in North America, China, Europe, Southeast Asia, Japan and India, with production, revenue, consumption, import and export in these regions, from 2013 to 2018, and forecast to 2025.

This report focuses on top manufacturers in global market, with production, price, revenue and market share for each manufacturer, covering

• BioControl Medical
• Boston Scientific Corporation
• CerboMed GmbH
• Cerebral RX Ltd.
• Children's Hospital Boston
• Cyberonics
• DuoCure
• ElectroCore, LLC
• Medical University of South Carolina
• MicroTransponder
• Neurostream Technologies G.P.
• Setpoint Medical Corporation
• Sorin S.p.A.
• Trifectas Medical

On the basis of product, this report displays the production, revenue, price, market share and growth rate of each type, primarily split into

• Direct Vagus Nerve Stimulation
• Percutaneous Vagus Nerve Stimulation

By Application, the market can be split into

• Hospital
• Physical Examination Center
• Medical College
• Other

By Regions, this report covers (we can add the regions/countries as you want)

• North America
• China
• Europe
• Southeast Asia
• Japan
• India

If you have any special requirements, please let us know and we will offer you the report as you want.

Contents

Global Vagus Nerve Stimulators Market Professional Survey Report 2018

1 INDUSTRY OVERVIEW OF VAGUS NERVE STIMULATORS

1.1 Definition and Specifications of Vagus Nerve Stimulators
  1.1.1 Definition of Vagus Nerve Stimulators
  1.1.2 Specifications of Vagus Nerve Stimulators
1.2 Classification of Vagus Nerve Stimulators
  1.2.1 Direct Vagus Nerve Stimulation
  1.2.2 Percutaneous Vagus Nerve Stimulation
1.3 Applications of Vagus Nerve Stimulators
  1.3.1 Hospital
  1.3.2 Physical Examination Center
  1.3.3 Medical College
  1.3.4 Other
1.4 Market Segment by Regions
  1.4.1 North America
  1.4.2 China
  1.4.3 Europe
  1.4.4 Southeast Asia
  1.4.5 Japan
  1.4.6 India

2 MANUFACTURING COST STRUCTURE ANALYSIS OF VAGUS NERVE STIMULATORS

2.1 Raw Material and Suppliers
2.2 Manufacturing Cost Structure Analysis of Vagus Nerve Stimulators
2.3 Manufacturing Process Analysis of Vagus Nerve Stimulators
2.4 Industry Chain Structure of Vagus Nerve Stimulators

3 TECHNICAL DATA AND MANUFACTURING PLANTS ANALYSIS OF VAGUS NERVE STIMULATORS

3.1 Capacity and Commercial Production Date of Global Vagus Nerve Stimulators Major Manufacturers in 2017
3.2 Manufacturing Plants Distribution of Global Vagus Nerve Stimulators Major Manufacturers in 2017
3.3 R&D Status and Technology Source of Global Vagus Nerve Stimulators Major Manufacturers in 2017
3.4 Raw Materials Sources Analysis of Global Vagus Nerve Stimulators Major Manufacturers in 2017

4 GLOBAL VAGUS NERVE STIMULATORS OVERALL MARKET OVERVIEW

4.1 2013-2018E Overall Market Analysis
4.2 Capacity Analysis
  4.2.1 2013-2018E Global Vagus Nerve Stimulators Capacity and Growth Rate Analysis
  4.2.2 2017 Vagus Nerve Stimulators Capacity Analysis (Company Segment)
4.3 Sales Analysis
  4.3.1 2013-2018E Global Vagus Nerve Stimulators Sales and Growth Rate Analysis
  4.3.2 2017 Vagus Nerve Stimulators Sales Analysis (Company Segment)
4.4 Sales Price Analysis
  4.4.1 2013-2018E Global Vagus Nerve Stimulators Sales Price
  4.4.2 2017 Vagus Nerve Stimulators Sales Price Analysis (Company Segment)

5 VAGUS NERVE STIMULATORS REGIONAL MARKET ANALYSIS

5.1 North America Vagus Nerve Stimulators Market Analysis
  5.1.1 North America Vagus Nerve Stimulators Market Overview
  5.1.2 North America 2013-2018E Vagus Nerve Stimulators Local Supply, Import, Export, Local Consumption Analysis
  5.1.3 North America 2013-2018E Vagus Nerve Stimulators Sales Price Analysis
  5.1.4 North America 2017 Vagus Nerve Stimulators Market Share Analysis
5.2 China Vagus Nerve Stimulators Market Analysis
  5.2.1 China Vagus Nerve Stimulators Market Overview
  5.2.2 China 2013-2018E Vagus Nerve Stimulators Local Supply, Import, Export, Local Consumption Analysis
  5.2.3 China 2013-2018E Vagus Nerve Stimulators Sales Price Analysis
  5.2.4 China 2017 Vagus Nerve Stimulators Market Share Analysis
5.3 Europe Vagus Nerve Stimulators Market Analysis
  5.3.1 Europe Vagus Nerve Stimulators Market Overview
  5.3.2 Europe 2013-2018E Vagus Nerve Stimulators Local Supply, Import, Export, Local Consumption Analysis
  5.3.3 Europe 2013-2018E Vagus Nerve Stimulators Sales Price Analysis
  5.3.4 Europe 2017 Vagus Nerve Stimulators Market Share Analysis
5.4 Southeast Asia Vagus Nerve Stimulators Market Analysis
  5.4.1 Southeast Asia Vagus Nerve Stimulators Market Overview
  5.4.2 Southeast Asia 2013-2018E Vagus Nerve Stimulators Local Supply, Import, Export, Local Consumption Analysis
  5.4.3 Southeast Asia 2013-2018E Vagus Nerve Stimulators Sales Price Analysis
  5.4.4 Southeast Asia 2017 Vagus Nerve Stimulators Market Share Analysis
5.5 Japan Vagus Nerve Stimulators Market Analysis
  5.5.1 Japan Vagus Nerve Stimulators Market Overview
  5.5.2 Japan 2013-2018E Vagus Nerve Stimulators Local Supply, Import, Export, Local Consumption Analysis
  5.5.3 Japan 2013-2018E Vagus Nerve Stimulators Sales Price Analysis
  5.5.4 Japan 2017 Vagus Nerve Stimulators Market Share Analysis
5.6 India Vagus Nerve Stimulators Market Analysis
  5.6.1 India Vagus Nerve Stimulators Market Overview
  5.6.2 India 2013-2018E Vagus Nerve Stimulators Local Supply, Import, Export, Local Consumption Analysis
  5.6.3 India 2013-2018E Vagus Nerve Stimulators Sales Price Analysis
  5.6.4 India 2017 Vagus Nerve Stimulators Market Share Analysis

6 GLOBAL 2013-2018E VAGUS NERVE STIMULATORS SEGMENT MARKET ANALYSIS (BY TYPE)

6.1 Global 2013-2018E Vagus Nerve Stimulators Sales by Type
6.2 Different Types of Vagus Nerve Stimulators Product Interview Price Analysis
6.3 Different Types of Vagus Nerve Stimulators Product Driving Factors Analysis
  6.3.1 Direct Vagus Nerve Stimulation of Vagus Nerve Stimulators Growth Driving Factor Analysis
  6.3.2 Percutaneous Vagus Nerve Stimulation of Vagus Nerve Stimulators Growth Driving Factor Analysis

7 GLOBAL 2013-2018E VAGUS NERVE STIMULATORS SEGMENT MARKET ANALYSIS (BY APPLICATION)

7.1 Global 2013-2018E Vagus Nerve Stimulators Consumption by Application
7.2 Different Application of Vagus Nerve Stimulators Product Interview Price Analysis
7.3 Different Application of Vagus Nerve Stimulators Product Driving Factors Analysis
  7.3.1 Hospital of Vagus Nerve Stimulators Growth Driving Factor Analysis
  7.3.2 Physical Examination Center of Vagus Nerve Stimulators Growth Driving Factor Analysis
  7.3.3 Medical College of Vagus Nerve Stimulators Growth Driving Factor Analysis
  7.3.4 Other of Vagus Nerve Stimulators Growth Driving Factor Analysis

8 MAJOR MANUFACTURERS ANALYSIS OF VAGUS NERVE STIMULATORS

8.1 BioControl Medical
  8.1.1 Company Profile
  8.1.2 Product Picture and Specifications
    8.1.2.1 Product A
    8.1.2.2 Product B
  8.1.3 BioControl Medical 2017 Vagus Nerve Stimulators Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.1.4 BioControl Medical 2017 Vagus Nerve Stimulators Business Region Distribution Analysis
8.2 Boston Scientific Corporation
  8.2.1 Company Profile
  8.2.2 Product Picture and Specifications
    8.2.2.1 Product A
    8.2.2.2 Product B
  8.2.3 Boston Scientific Corporation 2017 Vagus Nerve Stimulators Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.2.4 Boston Scientific Corporation 2017 Vagus Nerve Stimulators Business Region Distribution Analysis
8.3 CerboMed GmbH
  8.3.1 Company Profile
  8.3.2 Product Picture and Specifications
    8.3.2.1 Product A
    8.3.2.2 Product B
  8.3.3 CerboMed GmbH 2017 Vagus Nerve Stimulators Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.3.4 CerboMed GmbH 2017 Vagus Nerve Stimulators Business Region Distribution Analysis
8.4 Cerebral RX Ltd.
  8.4.1 Company Profile
  8.4.2 Product Picture and Specifications
    8.4.2.1 Product A
    8.4.2.2 Product B
  8.4.3 Cerebral RX Ltd. 2017 Vagus Nerve Stimulators Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.4.4 Cerebral RX Ltd. 2017 Vagus Nerve Stimulators Business Region Distribution Analysis
8.5 Children's Hospital Boston
  8.5.1 Company Profile
  8.5.2 Product Picture and Specifications
    8.5.2.1 Product A
    8.5.2.2 Product B
  8.5.3 Children's Hospital Boston 2017 Vagus Nerve Stimulators Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.5.4 Children's Hospital Boston 2017 Vagus Nerve Stimulators Business Region Distribution Analysis
8.6 Cyberonics
  8.6.1 Company Profile
  8.6.2 Product Picture and Specifications
    8.6.2.1 Product A
    8.6.2.2 Product B
  8.6.3 Cyberonics 2017 Vagus Nerve Stimulators Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.6.4 Cyberonics 2017 Vagus Nerve Stimulators Business Region Distribution Analysis
8.7 DuoCure
  8.7.1 Company Profile
  8.7.2 Product Picture and Specifications
    8.7.2.1 Product A
    8.7.2.2 Product B
  8.7.3 DuoCure 2017 Vagus Nerve Stimulators Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.7.4 DuoCure 2017 Vagus Nerve Stimulators Business Region Distribution Analysis
8.8 ElectroCore, LLC
  8.8.1 Company Profile
  8.8.2 Product Picture and Specifications
    8.8.2.1 Product A
    8.8.2.2 Product B
  8.8.3 ElectroCore, LLC 2017 Vagus Nerve Stimulators Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.8.4 ElectroCore, LLC 2017 Vagus Nerve Stimulators Business Region Distribution Analysis
8.9 Medical University of South Carolina
  8.9.1 Company Profile
  8.9.2 Product Picture and Specifications
    8.9.2.1 Product A
    8.9.2.2 Product B
  8.9.3 Medical University of South Carolina 2017 Vagus Nerve Stimulators Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.9.4 Medical University of South Carolina 2017 Vagus Nerve Stimulators Business Region Distribution Analysis
8.10 MicroTransponder
  8.10.1 Company Profile
  8.10.2 Product Picture and Specifications
    8.10.2.1 Product A
    8.10.2.2 Product B
  8.10.3 MicroTransponder 2017 Vagus Nerve Stimulators Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.10.4 MicroTransponder 2017 Vagus Nerve Stimulators Business Region Distribution Analysis
8.11 Neurostream Technologies G.P.
8.12 Setpoint Medical Corporation
8.13 Sorin S.p.A.
8.14 Trifectas Medical

9 DEVELOPMENT TREND OF ANALYSIS OF VAGUS NERVE STIMULATORS MARKET

9.1 Global Vagus Nerve Stimulators Market Trend Analysis
  9.1.1 Global 2018-2025 Vagus Nerve Stimulators Market Size (Volume and Value) Forecast
  9.1.2 Global 2018-2025 Vagus Nerve Stimulators Sales Price Forecast
9.2 Vagus Nerve Stimulators Regional Market Trend
  9.2.1 North America 2018-2025 Vagus Nerve Stimulators Consumption Forecast
  9.2.2 China 2018-2025 Vagus Nerve Stimulators Consumption Forecast
  9.2.3 Europe 2018-2025 Vagus Nerve Stimulators Consumption Forecast
  9.2.4 Southeast Asia 2018-2025 Vagus Nerve Stimulators Consumption Forecast
  9.2.5 Japan 2018-2025 Vagus Nerve Stimulators Consumption Forecast
  9.2.6 India 2018-2025 Vagus Nerve Stimulators Consumption Forecast
9.3 Vagus Nerve Stimulators Market Trend (Product Type)
9.4 Vagus Nerve Stimulators Market Trend (Application)

10 VAGUS NERVE STIMULATORS MARKETING TYPE ANALYSIS

10.1 Vagus Nerve Stimulators Regional Marketing Type Analysis
10.2 Vagus Nerve Stimulators International Trade Type Analysis
10.3 Traders or Distributors with Contact Information of Vagus Nerve Stimulators by Region
10.4 Vagus Nerve Stimulators Supply Chain Analysis

11 CONSUMERS ANALYSIS OF VAGUS NERVE STIMULATORS

11.1 Consumer 1 Analysis
11.2 Consumer 2 Analysis
11.3 Consumer 3 Analysis
11.4 Consumer 4 Analysis

12 CONCLUSION OF THE GLOBAL VAGUS NERVE STIMULATORS MARKET PROFESSIONAL SURVEY REPORT 2017

Methodology
Analyst Introduction
Data Source

The report requires updating with new data and is sent in 2-3 business days after order is placed.

List Of Tables

LIST OF TABLES AND FIGURES

Figure Picture of Vagus Nerve Stimulators
Table Product Specifications of Vagus Nerve Stimulators
Table Classification of Vagus Nerve Stimulators
Figure Global Production Market Share of Vagus Nerve Stimulators by Type in 2017
Figure Direct Vagus Nerve Stimulation Picture
Table Major Manufacturers of Direct Vagus Nerve Stimulation
Figure Percutaneous Vagus Nerve Stimulation Picture
Table Major Manufacturers of Percutaneous Vagus Nerve Stimulation
Table Applications of Vagus Nerve Stimulators
Figure Global Consumption Volume Market Share of Vagus Nerve Stimulators by Application in 2017
Figure Hospital Examples
Table Major Consumers in Hospital
Figure Physical Examination Center Examples
Table Major Consumers in Physical Examination Center
Figure Medical College Examples
Table Major Consumers in Medical College
Figure Other Examples
Table Major Consumers in Other
Figure Market Share of Vagus Nerve Stimulators by Regions
Figure North America Vagus Nerve Stimulators Market Size (Million USD) (2013-2025)
Figure China Vagus Nerve Stimulators Market Size (Million USD) (2013-2025)
Figure Europe Vagus Nerve Stimulators Market Size (Million USD) (2013-2025)
Figure Southeast Asia Vagus Nerve Stimulators Market Size (Million USD) (2013-2025)
Figure Japan Vagus Nerve Stimulators Market Size (Million USD) (2013-2025)
Figure India Vagus Nerve Stimulators Market Size (Million USD) (2013-2025)
Table Vagus Nerve Stimulators Raw Material and Suppliers
Table Manufacturing Cost Structure Analysis of Vagus Nerve Stimulators in 2017
Figure Manufacturing Process Analysis of Vagus Nerve Stimulators
Figure Industry Chain Structure of Vagus Nerve Stimulators
Table Capacity and Commercial Production Date of Global Vagus Nerve Stimulators Major Manufacturers in 2017
Table Manufacturing Plants Distribution of Global Vagus Nerve Stimulators Major Manufacturers in 2017
Table R&D Status and Technology Source of Global Vagus Nerve Stimulators Major Manufacturers in 2017
Table Raw Materials Sources Analysis of Global Vagus Nerve Stimulators Major Manufacturers in 2017
Table Global Capacity, Sales , Price, Cost, Sales Revenue (M USD) and Gross Margin of Vagus Nerve Stimulators 2013-2018E
Figure Global 2013-2018E Vagus Nerve Stimulators Market Size (Volume) and Growth Rate
Figure Global 2013-2018E Vagus Nerve Stimulators Market Size (Value) and Growth Rate
Table 2013-2018E Global Vagus Nerve Stimulators Capacity and Growth Rate
Table 2017 Global Vagus Nerve Stimulators Capacity (K Units) List (Company Segment)
Table 2013-2018E Global Vagus Nerve Stimulators Sales (K Units) and Growth Rate
Table 2017 Global Vagus Nerve Stimulators Sales (K Units) List (Company Segment)
Table 2013-2018E Global Vagus Nerve Stimulators Sales Price (USD/Unit)
Table 2017 Global Vagus Nerve Stimulators Sales Price (USD/Unit) List (Company Segment)
Figure North America Capacity Overview
Table North America Supply, Import, Export and Consumption (K Units) of Vagus Nerve Stimulators 2013-2018E
Figure North America 2013-2018E Vagus Nerve Stimulators Sales Price (USD/Unit)
Figure North America 2017 Vagus Nerve Stimulators Sales Market Share
Figure China Capacity Overview
Table China Supply, Import, Export and Consumption (K Units) of Vagus Nerve Stimulators 2013-2018E
Figure China 2013-2018E Vagus Nerve Stimulators Sales Price (USD/Unit)
Figure China 2017 Vagus Nerve Stimulators Sales Market Share
Figure Europe Capacity Overview
Table Europe Supply, Import, Export and Consumption (K Units) of Vagus Nerve Stimulators 2013-2018E
Figure Europe 2013-2018E Vagus Nerve Stimulators Sales Price (USD/Unit)
Figure Europe 2017 Vagus Nerve Stimulators Sales Market Share
Figure Southeast Asia Capacity Overview
Table Southeast Asia Supply, Import, Export and Consumption (K Units) of Vagus Nerve Stimulators 2013-2018E
Figure Southeast Asia 2013-2018E Vagus Nerve Stimulators Sales Price (USD/Unit)
Figure Southeast Asia 2017 Vagus Nerve Stimulators Sales Market Share
Figure Japan Capacity Overview
Table Japan Supply, Import, Export and Consumption (K Units) of Vagus Nerve Stimulators 2013-2018E
Figure Japan 2013-2018E Vagus Nerve Stimulators Sales Price (USD/Unit)
Figure Japan 2017 Vagus Nerve Stimulators Sales Market Share
Figure India Capacity Overview
Table India Supply, Import, Export and Consumption (K Units) of Vagus Nerve Stimulators 2013-2018E
Figure India 2013-2018E Vagus Nerve Stimulators Sales Price (USD/Unit)
Figure India 2017 Vagus Nerve Stimulators Sales Market Share
Table Global 2013-2018E Vagus Nerve Stimulators Sales (K Units) by Type
Table Different Types Vagus Nerve Stimulators Product Interview Price
Table Global 2013-2018E Vagus Nerve Stimulators Sales (K Units) by Application
Table Different Application Vagus Nerve Stimulators Product Interview Price
Table BioControl Medical Information List
Table Product A Overview
Table Product B Overview
Table 2017 BioControl Medical Vagus Nerve Stimulators Revenue (Million USD), Sales (K Units), Ex-factory Price (USD/Unit)
Figure 2017 BioControl Medical Vagus Nerve Stimulators Business Region Distribution
Table Boston Scientific Corporation Information List
Table Product A Overview
Table Product B Overview
Table 2017 Boston Scientific Corporation Vagus Nerve Stimulators Revenue (Million USD), Sales (K Units), Ex-factory Price (USD/Unit)
Figure 2017 Boston Scientific Corporation Vagus Nerve Stimulators Business Region Distribution
Table CerboMed GmbH Information List
Table Product A Overview
Table Product B Overview
Table 2015 CerboMed GmbH Vagus Nerve Stimulators Revenue (Million USD), Sales (K Units), Ex-factory Price (USD/Unit)
Figure 2017 CerboMed GmbH Vagus Nerve Stimulators Business Region Distribution
Table Cerebral RX Ltd. Information List
Table Product A Overview
Table Product B Overview
Table 2017 Cerebral RX Ltd. Vagus Nerve Stimulators Revenue (Million USD), Sales (K Units), Ex-factory Price (USD/Unit)
Figure 2017 Cerebral RX Ltd. Vagus Nerve Stimulators Business Region Distribution
Table Children's Hospital Boston Information List
Table Product A Overview
Table Product B Overview
Table 2017 Children's Hospital Boston Vagus Nerve Stimulators Revenue (Million USD), Sales (K Units), Ex-factory Price (USD/Unit)
Figure 2017 Children's Hospital Boston Vagus Nerve Stimulators Business Region Distribution
Table Cyberonics Information List
Table Product A Overview
Table Product B Overview
Table 2017 Cyberonics Vagus Nerve Stimulators Revenue (Million USD), Sales (K Units), Ex-factory Price (USD/Unit)
Figure 2017 Cyberonics Vagus Nerve Stimulators Business Region Distribution
Table DuoCure Information List
Table Product A Overview
Table Product B Overview
Table 2017 DuoCure Vagus Nerve Stimulators Revenue (Million USD), Sales (K Units), Ex-factory Price (USD/Unit)
Figure 2017 DuoCure Vagus Nerve Stimulators Business Region Distribution
Table ElectroCore, LLC Information List
Table Product A Overview
Table Product B Overview
Table 2017 ElectroCore, LLC Vagus Nerve Stimulators Revenue (Million USD), Sales (K Units), Ex-factory Price (USD/Unit)
Figure 2017 ElectroCore, LLC Vagus Nerve Stimulators Business Region Distribution
Table Medical University of South Carolina Information List
Table Product A Overview
Table Product B Overview
Table 2017 Medical University of South Carolina Vagus Nerve Stimulators Revenue (Million USD), Sales (K Units), Ex-factory Price (USD/Unit)
Figure 2017 Medical University of South Carolina Vagus Nerve Stimulators Business Region Distribution
Table MicroTransponder Information List
Table Product A Overview
Table Product B Overview
Table 2017 MicroTransponder Vagus Nerve Stimulators Revenue (Million USD), Sales (K Units), Ex-factory Price (USD/Unit)
Figure 2017 MicroTransponder Vagus Nerve Stimulators Business Region Distribution
Table Neurostream Technologies G.P. Information List
Table Setpoint Medical Corporation Information List
Table Sorin S.p.A. Information List
Table Trifectas Medical Information List
Figure Global 2018-2025 Vagus Nerve Stimulators Market Size (K Units) and Growth Rate Forecast
Figure Global 2018-2025 Vagus Nerve Stimulators Market Size (Million USD) and Growth Rate Forecast
Figure Global 2018-2025 Vagus Nerve Stimulators Sales Price (USD/Unit) Forecast
Figure North America 2018-2025 Vagus Nerve Stimulators Consumption Volume (K Units) and Growth Rate Forecast
Figure China 2018-2025 Vagus Nerve Stimulators Consumption Volume (K Units) and Growth Rate Forecast
Figure Europe 2018-2025 Vagus Nerve Stimulators Consumption Volume (K Units) and Growth Rate Forecast
Figure Southeast Asia 2018-2025 Vagus Nerve Stimulators Consumption Volume (K Units) and Growth Rate Forecast
Figure Japan 2018-2025 Vagus Nerve Stimulators Consumption Volume (K Units) and Growth Rate Forecast
Figure India 2018-2025 Vagus Nerve Stimulators Consumption Volume (K Units) and Growth Rate Forecast
Table Global Sales Volume (K Units) of Vagus Nerve Stimulators by Type 2018-2025
Table Global Consumption Volume (K Units) of Vagus Nerve Stimulators by Application 2018-2025
Table Traders or Distributors with Contact Information of Vagus Nerve Stimulators by Region