Form 8-K

8-K — BOSTON SCIENTIFIC CORP

Accession: 0000885725-26-000029

Filed: 2026-03-30

Period: 2026-03-28

CIK: 0000885725

SIC: 3841 (SURGICAL & MEDICAL INSTRUMENTS & APPARATUS)

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — bsx-20260328.htm (Primary)

EX-99.1 (ex991-pressrelease.htm)

EX-99.2 (ex992-pressrelease.htm)

GRAPHIC (image_0a.jpg)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K

8-K (Primary)

Filename: bsx-20260328.htm · Sequence: 1

bsx-20260328

0000885725false00008857252026-03-282026-03-280000885725us-gaap:CommonStockMember2026-03-282026-03-280000885725bsx:SeniorNotedue2027Member2026-03-282026-03-28

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_____________________________________________________________________

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

_____________________________________________________________________

Date of Report (Date of earliest event reported): March 28, 2026

BOSTON SCIENTIFIC CORPORATION

(Exact name of registrant as specified in its charter)

Delaware 1-11083 04-2695240

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

300 Boston Scientific Way, Marlborough, Massachusetts 01752-1234

(Address of principal executive offices) (Zip Code)

(508) 683-4000

(Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol Name of each exchange on which registered

Common Stock, $0.01 par value per share BSX New York Stock Exchange

0.625% Senior Notes due 2027 BSX27 New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events.

On March 28, 2026, Boston Scientific Corporation (the “Company”) issued a press release announcing results from the Company's HI-PEITHO clinical trial. Also on March 28, 2026, the Company issued a second press release announcing results from the Company's CHAMPION-AF clinical trial.

Copies of each press release are included as Exhibits 99.1 and 99.2, respectively, to this Current Report on Form 8-K and incorporated herein by reference; provided, however, that information on or connected to the Company's website or the website of any third-party hyperlinked from or referenced in the press releases included as Exhibits 99.1 and 99.2, respectively, to this Current Report on Form 8-K is expressly not incorporated by reference into or intended to be filed as a part of this Current Report on Form 8-K.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No. Description

99.1 Press Release, dated March 28, 2026.

99.2 Press Release, dated March 28, 2026.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: March 30, 2026 BOSTON SCIENTIFIC CORPORATION

By: /s/ Susan Thompson

Susan Thompson

Vice President, Chief Corporate Counsel and Assistant Secretary

EX-99.1

Filename: ex991-pressrelease.htm · Sequence: 2

Document

Exhibit 99.1

HI-PEITHO trial demonstrates Boston Scientific EKOS™ Endovascular System is superior to standard of care for treatment of acute pulmonary embolism

Global randomized trial demonstrated statistically significant reduction in clinical event rates in patients with intermediate-risk PE when treated with the EKOS device plus anticoagulation vs. anticoagulation alone

Late breaking findings presented at ACC.26 and simultaneously published in The New England Journal of Medicine

MARLBOROUGH, Mass. and NEW ORLEANS, March 28, 2026 -- Boston Scientific Corporation (NYSE: BSX) today announced positive data from the HI-PEITHO global randomized clinical trial evaluating the use of the EKOS™ Endovascular System in patients with intermediate-risk pulmonary embolism (PE). The study met the composite primary endpoint, with data demonstrating that the EKOS system plus anticoagulation was superior to the current standard of care – anticoagulation alone – for the treatment of acute PE. Findings from the trial were presented in a late-breaking science session at the American College of Cardiology's Annual Scientific Session & Expo and simultaneously published in The New England Journal of Medicine.

PE is a blood clot that causes a blockage in one or more pulmonary arteries that bring blood to the lungs, and is the third leading cause of cardiovascular mortality.1 Current medical guidelines for treating PE recommend medical management with anticoagulation as the standard of care for patients at all risk levels. A minimally invasive intervention, the EKOS system delivers a low dose of clot-dissolving medication directly to the blood clot and uses ultrasound energy to facilitate the dispersion of the medication deep into the clot to dissolve it.

"The data presented today offer clinicians a greater understanding of the impact of intervention via ultrasound-facilitated catheter-directed thrombolysis with the EKOS system," said Dr. Stavros Konstantinides, MD, PhD, FESC, principal investigator of the HI-PEITHO trial and medical director, Center for Thrombosis and Hemostasis, University Medical Center Mainz, Germany.* "These highly anticipated findings underscore the clinical efficacy for patients treated with this therapy, while also demonstrating that treatment was not accompanied by an increased risk of major bleeding and offered the added benefit of a shorter hospital stay compared to patients treated with anticoagulation alone."

The trial met the combined primary endpoint of PE-related mortality, non-fatal hemodynamic cardiorespiratory decompensation or collapse and non-fatal symptomatic recurrence of PE within seven days. The EKOS system plus anticoagulation demonstrated superiority to anticoagulation alone (4.0% vs. 10.3%; P=0.005), representing a 61% reduction in primary

endpoint events. Data from patients treated with the EKOS system also demonstrated a lower rate of cardiorespiratory decompensation or collapse (3.7% vs. 10.3%), in which inability of the heart to maintain adequate blood flow can lead to serious complications, often requiring emergency intervention. These results were achieved with no episodes of bleeding within the brain through 30 days.

"The HI-PEITHO trial evaluated clear, clinically meaningful endpoints using rigorous patient enrollment criteria and demonstrated a definitive impact with the EKOS system over the standard of care for treating acute PE," said Dr. Michael R. Jaff, vice president and chief medical officer, Vascular Therapies, Boston Scientific. "For the first time, we have robust randomized clinical trial data available to inform treatment decisions by interventionalists and referring physicians and support consideration of EKOS plus anticoagulation as a first-line therapy."

The randomized, controlled HI-PEITHO trial enrolled 544 patients with intermediate-risk PE across 59 sites in the United States and Europe. The trial is a joint research study led by Boston Scientific in partnership with The PERT Consortium® and the University Medical Center of Mainz and in collaboration with the PEITHO International Study Network. Patients will be followed to one year post procedure.

For more information on the HI-PEITHO trial, visit https://www.bostonscientific.com/hi-peitho.

About Boston Scientific

Boston Scientific transforms lives through innovative medical technologies that improve the health of patients around the world. As a global medical technology leader for more than 45 years, we advance science for life by providing a broad range of high-performance solutions that address unmet patient needs and reduce the cost of healthcare. Our portfolio of devices and therapies helps physicians diagnose and treat complex cardiovascular, respiratory, digestive, oncological, neurological and urological diseases and conditions. Learn more at

www.bostonscientific.com and follow us on LinkedIn.

Cautionary Statement Regarding Forward-Looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements may be identified by words like "anticipate," "expect," "project," "believe," "plan," "estimate," "intend" and similar words. These forward-looking statements are based on our beliefs, assumptions and estimates using information available to us at the time and are not intended to be guarantees of future events or performance. These forward-looking statements include, among other things, statements regarding our business plans, product performance and impact, and clinical trials. If our underlying assumptions turn out to be incorrect, or if certain risks or uncertainties materialize, actual results could vary materially from the expectations and projections expressed or implied by our forward-looking statements. These factors, in some cases, have affected and in the future (together with other factors) could affect our ability to implement our business strategy and may cause actual results to differ

materially from those contemplated by the statements expressed in this press release. As a result, readers are cautioned not to place undue reliance on any of our forward-looking statements.

Factors that may cause such differences include, among other things: economic conditions, including the impact of foreign currency fluctuations; future U.S. and global political, competitive, reimbursement and regulatory conditions, including changing trade and tariff policies; geopolitical events, conflicts and tensions; manufacturing, distribution and supply chain disruptions and cost increases; disruptions caused by cybersecurity events; disruptions caused by public health emergencies or extreme weather or other climate change-related events; labor shortages and increases in labor costs; variations in outcomes of ongoing and future clinical trials and market studies; new product introductions; expected procedural volumes; the closing and integration of acquisitions; demographic trends; intellectual property; litigation; financial market conditions; the execution and effect of our business strategy, including our cost-savings and growth initiatives; and future business decisions made by us and our competitors. All of these factors are difficult or impossible to predict accurately and many of them are beyond our control. For a further list and description of these and other important risks and uncertainties that may affect our future operations, see Part I, Item 1A – Risk Factors in our most recent Annual Report on Form 10-K filed with the Securities and Exchange Commission, which we may update in Part II, Item 1A – Risk Factors in Quarterly Reports on Form 10-Q we have filed or will file hereafter. We disclaim any intention or obligation to publicly update or revise any forward-looking statements to reflect any change in our expectations or in events, conditions or circumstances on which those expectations may be based, or that may affect the likelihood that actual results will differ from those contained in the forward-looking statements, except as required by law. This cautionary statement is applicable to all forward-looking statements contained in this document.

CONTACTS:

Blake Rouhani

Media Relations

+1 (763) 494-2268

Blake.rouhani@bsci.com

Lauren Tengler

Investor Relations

+1 (508) 683-4479

BSXInvestorRelations@bsci.com

* Dr. Stavros Konstantinides is a paid consultant of Boston Scientific Corporation. He has not been compensated in connection with this press release.

1 Wendelboe, A.M, et al. Global Burden of Thrombosis: Epidemiologic Aspects. Circulation Research.2016 Apr 29; 118(9): 1340-1347. doi: 10.1161/CIRCRESAHA.115.306841.

SOURCE Boston Scientific Corporation

EX-99.2

Filename: ex992-pressrelease.htm · Sequence: 3

Document

Exhibit 99.2

CHAMPION-AF study of the WATCHMAN FLX™ Left Atrial Appendage Closure Device as a first-line therapy for stroke risk reduction meets all primary and secondary safety and efficacy endpoints

Data highlights the WATCHMAN FLX device provided statistically superior protection from bleeding, demonstrated similar efficacy compared to blood thinners in patients with non-valvular atrial fibrillation

Late-breaking findings presented at ACC.26 and simultaneously published in The New England Journal of Medicine

MARLBOROUGH, Mass. and NEW ORLEANS, March 28, 2026 -- Boston Scientific Corporation (NYSE: BSX) today announced that the CHAMPION-AF global clinical trial met all primary and secondary safety and efficacy endpoints. The study evaluated the WATCHMAN FLX™ Left Atrial Appendage Closure (LAAC) Device compared to non-vitamin K antagonist oral anticoagulants (NOACs) as a first-line option for stroke risk reduction in a broad population of patients with non-valvular atrial fibrillation (NVAF). Key results were presented as a late-breaking clinical trial at the American College of Cardiology's Annual Scientific Session & Expo and simultaneously published in The New England Journal of Medicine.

Atrial fibrillation (AF) is an increasingly common heart rhythm disorder that affects approximately 59 million people worldwide1 and increases stroke risk by five times compared to people with a normal heart rhythm.2 In patients with NVAF, more than 90% of heart-related blood clots form in the left atrial appendage (LAA).3 An alternative to long-term NOACs – considered the leading contemporary blood thinners for stroke risk reduction in patients with NVAF – the WATCHMAN technology is designed to permanently close off the LAA and is implanted in a single procedure.

"The success of the landmark CHAMPION-AF trial represents a meaningful milestone that will undoubtedly transform the treatment approach to stroke risk reduction in a broader population of patients who historically have needed to rely on medication," said Martin Leon, M.D., study co-chair and Mallah Family professor of cardiology, chief innovation officer and director, Cardiovascular Data Science Center, Columbia University Medical Center.* "These results should give clinicians confidence in the potential of the WATCHMAN FLX device to become a first-line treatment option for reducing the risk of stroke for a rapidly growing number of patients with AF."

The randomized, controlled trial enrolled 3,000 patients with NVAF who were suitable for oral anticoagulation therapy across a broad spectrum of stroke and bleeding risk. At 36 months:

•The primary safety endpoint was met with data demonstrating the WATCHMAN FLX device was statistically superior to NOACs (10.9% vs. 19.0%; P<0.001) for non-procedural major and clinically relevant non-major bleeding, achieving a 45% relative reduction in non-procedural bleeding risk.

◦When including procedural bleeding in a secondary analysis, the WATCHMAN FLX device performance was consistent with the primary safety endpoint, demonstrating a significant reduction in bleeding compared to NOACs (12.8% vs. 19.0%; P<0.001) for major and clinically relevant non-major bleeding, representing a 34% relative reduction in procedural and non-procedural bleeding risk.

•The primary efficacy endpoint, defined as occurrence of stroke, cardiovascular or unexplained death or systemic embolism, was met with the WATCHMAN FLX device achieving statistical non-inferiority compared to NOACs (5.7% vs. 4.8%; P<0.001).

The study's secondary safety endpoint underscored the WATCHMAN FLX device is statistically non-inferior to NOACs at 36 months for procedural and non-procedural major bleeding (5.9% vs. 6.4%; P<0.001). Additionally, a secondary combined safety and efficacy endpoint highlighted a net clinical benefit with the device demonstrating statistical superiority to NOACs for the occurrence of cardiovascular death, stroke, systemic embolism and non-procedural major bleeding and clinically relevant non-major bleeding (15.1% vs. 21.8%; P<0.001).

CHAMPION-AF is the largest clinical trial comparing an LAAC device to NOACs for patients with NVAF to date and included 141 sites in the U.S., Canada, Europe, Japan and Australia, which implanted the devices with a 99% procedural success rate. Patient follow-up in the CHAMPION-AF trial will continue through five years and will include additional primary and secondary endpoints.

"These positive data, which have the potential to support updated clinical guidelines globally, will be used in our submission to expand the indication and coverage for the well-established WATCHMAN platform as a first-line stroke risk reduction option, providing physicians with more choices in care for a wider range of patients who have atrial fibrillation," said Brad Sutton, M.D., chief medical officer, Atrial Fibrillation Solutions, Boston Scientific. "Today, 40% of patients with AF who are prescribed blood thinners for stroke risk reduction are not taking their medications consistently, significantly increasing their risk of stroke.4 The CHAMPION-AF data add to Boston Scientific's robust body of clinical evidence supporting the WATCHMAN device as a one-time implant that helps provide stroke risk protection over a patient's lifetime."

More than 600,000 people have been treated with the WATCHMAN implant, which is the most implanted and studied LAAC device on the market. The WATCHMAN LAAC device was first introduced to the European market in 2009 and was approved by the U.S. Food and Drug Administration (FDA) in 2015. The latest-generation WATCHMAN FLX™ Pro LAAC Device was approved in the U.S. in 2023 and is currently being studied in several clinical trials, including the SIMPLAAFY randomized controlled trial, which is evaluating single-drug alternatives to dual anti-platelet therapy as a post-procedural regimen.

For more information about the CHAMPION-AF trial, visit watchman.com/CHAMPION

About Boston Scientific

www.bostonscientific.com and follow us on LinkedIn.

Cautionary Statement Regarding Forward-Looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements may be identified by words like "anticipate," "expect," "project," "believe," "plan," "estimate," "intend" and similar words. These forward-looking statements are based on our beliefs, assumptions and estimates using information available to us at the time and are not intended to be guarantees of future events or performance. These forward-looking statements include, among other things, statements regarding our business plans, product performance and impact, clinical trials, and new and anticipated product approvals and/or indications or coverage expansions. If our underlying assumptions turn out to be incorrect, or if certain risks or uncertainties materialize, actual results could vary materially from the expectations and projections expressed or implied by our forward-looking statements. These factors, in some cases, have affected and in the future (together with other factors) could affect our ability to implement our business strategy and may cause actual results to differ materially from those contemplated by the statements expressed in this press release. As a result, readers are cautioned not to place undue reliance on any of our forward-looking statements.

update or revise any forward-looking statements to reflect any change in our expectations or in events, conditions or circumstances on which those expectations may be based, or that may affect the likelihood that actual results will differ from those contained in the forward-looking statements, except as required by law. This cautionary statement is applicable to all forward-looking statements contained in this document.

CONTACTS:

Kirsten Lesak-Greenberg

Media Relations

+1 (763) 300-9254

Kirsten.Lesak-Greenberg@bsci.com

Lauren Tengler

Investor Relations

+1 (508) 683-4479

BSXInvestorRelations@bsci.com

* Dr. Martin Leon is a paid consultant of Boston Scientific Corporation. He has not been compensated in connection with this press release.

1 Linz, Dominik, et al. Atrial fibrillation: epidemiology, screening and digital health. Lancet Reg Health Eur. 2024 Feb 1:37:100786. https://www.thelancet.com/journals/lanepe/article/PIIS2666-7762(23)00205-3/fulltext. Accessed Feb. 3, 2026.

2 FAQ About AFib. American Heart Association, Inc., 2023. https://www.heart.org/-/media/Files/Health-Topics/Atrial-Fibrillation/FAQ-About-AFib.pdf. Accessed Feb. 3, 2026.

3 Blackshear JL, Odell JA. Appendage obliteration to reduce stroke in cardiac surgical patients with atrial fibrillation. Ann Thorac Surg. 1996;61:755-759.

4 Tarn, D, Shih, K, Tseng, C. et al. Reasons for Nonadherence to the Direct Oral Anticoagulant Apixaban: A Cross-Sectional Survey of Atrial Fibrillation Patients. JACC Adv. 2023 Jan, 2 (1). https://doi.org/10.1016/j.jacadv.2022.100175.

SOURCE Boston Scientific Corporation

GRAPHIC

Filename: image_0a.jpg · Sequence: 8

Binary file (38356 bytes)

Download image_0a.jpg

XML — IDEA: XBRL DOCUMENT

XML

Filename: R1.htm · Sequence: 10

v3.26.1

Cover Document

Mar. 28, 2026

Entity Information [Line Items]

Document Type

8-K

Document Period End Date

Mar. 28, 2026

Entity Registrant Name

BOSTON SCIENTIFIC CORPORATION

Amendment Flag

false

Entity Incorporation, State or Country Code

Entity File Number

1-11083

Entity Tax Identification Number

04-2695240

Entity Address, Address Line One

300 Boston Scientific Way

Entity Address, City or Town

Marlborough

Entity Address, State or Province

Entity Address, Postal Zip Code

01752-1234

City Area Code

508

Local Phone Number

683-4000

Written Communications

false

Soliciting Material

false

Pre-commencement Tender Offer

false

Pre-commencement Issuer Tender Offer

false

Entity Emerging Growth Company

false

Entity Central Index Key

0000885725

Common Stock [Member]

Entity Information [Line Items]

Title of 12(b) Security

Common Stock, $0.01 par value per share

Trading Symbol

BSX

Security Exchange Name

NYSE

Senior Note due 2027 [Member]

Entity Information [Line Items]

Title of 12(b) Security

0.625% Senior Notes due 2027

Trading Symbol

BSX27

Security Exchange Name

NYSE

- Definition

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

+ References

No definition available.

+ Details

Name:

dei_AmendmentFlag

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Area code of city

+ References

No definition available.

+ Details

Name:

dei_CityAreaCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

+ References

No definition available.

+ Details

Name:

dei_DocumentPeriodEndDate

Namespace Prefix:

dei_

Data Type:

xbrli:dateItemType

Balance Type:

Period Type:

duration

- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

+ References

No definition available.

+ Details

Name:

dei_DocumentType

Namespace Prefix:

dei_

Data Type:

dei:submissionTypeItemType

Balance Type:

Period Type:

duration

- Definition

Address Line 1 such as Attn, Building Name, Street Name

+ References

No definition available.

+ Details

Name:

dei_EntityAddressAddressLine1

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Name of the City or Town

+ References

No definition available.

+ Details

Name:

dei_EntityAddressCityOrTown

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Code for the postal or zip code

+ References

No definition available.

+ Details

Name:

dei_EntityAddressPostalZipCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Name of the state or province.

+ References

No definition available.

+ Details

Name:

dei_EntityAddressStateOrProvince

Namespace Prefix:

dei_

Data Type:

dei:stateOrProvinceItemType

Balance Type:

Period Type:

duration

- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityCentralIndexKey

Namespace Prefix:

dei_

Data Type:

dei:centralIndexKeyItemType

Balance Type:

Period Type:

duration

- Definition

Indicate if registrant meets the emerging growth company criteria.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityEmergingGrowthCompany

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

+ References

No definition available.

+ Details

Name:

dei_EntityFileNumber

Namespace Prefix:

dei_

Data Type:

dei:fileNumberItemType

Balance Type:

Period Type:

duration

- Definition

Two-character EDGAR code representing the state or country of incorporation.

+ References

No definition available.

+ Details

Name:

dei_EntityIncorporationStateCountryCode

Namespace Prefix:

dei_

Data Type:

dei:edgarStateCountryItemType

Balance Type:

Period Type:

duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:

dei_EntityInformationLineItems

Namespace Prefix:

dei_

Data Type:

xbrli:stringItemType

Balance Type:

Period Type:

duration

- Definition

The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityRegistrantName

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityTaxIdentificationNumber

Namespace Prefix:

dei_

Data Type:

dei:employerIdItemType

Balance Type:

Period Type:

duration

- Definition

Local phone number for entity.

+ References

No definition available.

+ Details

Name:

dei_LocalPhoneNumber

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 13e

-Subsection 4c

+ Details

Name:

dei_PreCommencementIssuerTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14d

-Subsection 2b

+ Details

Name:

dei_PreCommencementTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Title of a 12(b) registered security.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b

+ Details

Name:

dei_Security12bTitle

Namespace Prefix:

dei_

Data Type:

dei:securityTitleItemType

Balance Type:

Period Type:

duration

- Definition

Name of the Exchange on which a security is registered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection d1-1

+ Details

Name:

dei_SecurityExchangeName

Namespace Prefix:

dei_

Data Type:

dei:edgarExchangeCodeItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14a

-Subsection 12

+ Details

Name:

dei_SolicitingMaterial

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Definition

Trading symbol of an instrument as listed on an exchange.

+ References

No definition available.

+ Details

Name:

dei_TradingSymbol

Namespace Prefix:

dei_

Data Type:

dei:tradingSymbolItemType

Balance Type:

Period Type:

duration

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Securities Act

-Number 230

-Section 425

+ Details

Name:

dei_WrittenCommunications

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

Period Type:

duration

- Details

Name:

us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember

Namespace Prefix:

Data Type:

Balance Type:

Period Type:

- Details

Name:

us-gaap_StatementClassOfStockAxis=bsx_SeniorNotedue2027Member

Namespace Prefix:

Data Type:

Balance Type:

Period Type: