SightLine Partners

SightLine Partners, established in 2004, is a venture capital firm headquartered in Bloomington, Minnesota, with an additional office in Palo Alto, California. The company specializes in late-stage investments, focusing on medical technology, biotechnology, and healthcare services sectors within the United States. SightLine Partners typically invests between $2 million and $8 million, structuring deals as preferred stock, and aims to exit within five years. The firm's investment strategy is to support emerging growth and later-stage companies, particularly in therapeutic areas such as vascular diseases, diabetes, and nervous system disorders.

Josh Baltzell

Venture Partner

Buzz Benson

Co-Founder and Managing Director

Joe Biller

Managing Director

Andrea Crooks

Vice President of Finance

Kunal Paymaster

Managing Director

Archie Smith

Managing Director

Nicholas Speltz

Associate

22 past transactions

Magnolia Medical Technologies

Venture Round in 2022
Magnolia Medical Technologies, Inc. is a medical device company based in Seattle, Washington, focused on enhancing the accuracy of diagnostic blood culture tests. Established in 2011, the company has developed SteriPath, a vacuum-assisted blood collection system designed to prevent contamination of blood samples, which can lead to misdiagnosis of sepsis. This innovative system operates by actively diverting and sequestering contaminated blood, allowing for the collection of uncontaminated samples through a separate flow path. This closed vein-to-bottle collection method aims to improve diagnostic specimen quality, thereby increasing diagnostic accuracy and improving patient outcomes. Magnolia Medical Technologies holds a robust intellectual property portfolio, including over 70 issued patents and more than 50 pending applications, reflecting its commitment to advancing medical technology and addressing challenges such as antibiotic resistance. The company's products are distributed throughout the United States.

Magnolia Medical Technologies

Series C in 2019
Magnolia Medical Technologies, Inc. is a medical device company based in Seattle, Washington, focused on enhancing the accuracy of diagnostic blood culture tests. Established in 2011, the company has developed SteriPath, a vacuum-assisted blood collection system designed to prevent contamination of blood samples, which can lead to misdiagnosis of sepsis. This innovative system operates by actively diverting and sequestering contaminated blood, allowing for the collection of uncontaminated samples through a separate flow path. This closed vein-to-bottle collection method aims to improve diagnostic specimen quality, thereby increasing diagnostic accuracy and improving patient outcomes. Magnolia Medical Technologies holds a robust intellectual property portfolio, including over 70 issued patents and more than 50 pending applications, reflecting its commitment to advancing medical technology and addressing challenges such as antibiotic resistance. The company's products are distributed throughout the United States.

Vapotherm

Series D in 2018
Vapotherm, Inc. is a medical technology company specializing in the development and commercialization of proprietary Hi-VNI technology products designed to treat patients of all ages experiencing respiratory distress. Headquartered in Exeter, New Hampshire, the company offers a range of precision flow systems, including Precision Flow Hi-VNI, Precision Flow Plus, Precision Flow Classic, and Precision Flow Heliox, which deliver heated, humidified, and oxygenated air at high velocity through a small-bore nasal interface. Vapotherm also provides various companion products, such as the Vapotherm Transfer Unit for patient mobility, the Q50 compressor for compressed air, and aerosol solutions for medication delivery. Additionally, the company offers disposable products, including single-use nasal interfaces and Oxygen Assist Modules to help clinicians maintain target oxygen levels. Vapotherm generates revenue primarily through direct sales to hospitals in the United States and through distributors in select international markets. Founded in 1993, the company is committed to enhancing clinical outcomes and improving the quality of life for patients.

EndoGastric Solutions

Series I in 2018
EndoGastric Solutions, Inc. is a medical device company focused on developing and commercializing innovative surgical technologies for the treatment of gastrointestinal diseases, particularly gastroesophageal reflux disease (GERD). The company offers products such as EsophyX, which enables transoral reconstructive surgery, and the EsophyX Z device used in the transoral incisionless fundoplication procedure. Additionally, EndoGastric Solutions provides SerosaFuse Fasteners, a non-resorbable polypropylene material with strength comparable to traditional sutures. Beyond its product offerings, the company supports healthcare professionals through trainer-led courses and various consultative services, including pre-authorization and medical review. Founded in 2002 and headquartered in Redmond, Washington, with an additional office in San Mateo, California, EndoGastric Solutions was previously known as EsophyX, Inc. before its rebranding in January 2005.

EarLens

Series C in 2017
EarLens is a privately held medical technology company focused on enhancing the hearing experience for individuals with hearing loss. The firm has pioneered the Earlens Contact Hearing Solution, a groundbreaking device that directly activates the natural hearing process. This innovative system utilizes low-frequency radio signals and a small lens placed on the eardrum to vibrate it, allowing for superior sound quality and a broader bandwidth than traditional hearing aids. Unlike conventional devices that amplify sound, the Earlens solution delivers sound directly to the eardrum, thereby minimizing feedback and ensuring clear hearing in various environments. The second generation of this technology received FDA clearance in 2019, marking a significant advancement in the standard of care for hearing performance.

Monteris Medical

Series C in 2017
Monteris Medical, Inc. is a medical device company specializing in the development and marketing of innovative technologies for the treatment of brain diseases. Founded in 1999 and based in Plymouth, Minnesota, with additional offices in Minneapolis and Winnipeg, the company focuses on minimally-invasive, MRI-guided, and robotically controlled neurosurgical procedures. Its flagship product, the NeuroBlate System, utilizes focused laser energy to safely ablate pathological brain lesions, such as tumors, while minimizing damage to surrounding healthy tissue. Monteris Medical also provides various stereotactic anchoring devices and stabilization systems for enhanced precision during image-guided procedures. The company markets its products directly to neurosurgeons in the United States, aiming to improve surgical outcomes through advanced technology.

Vapotherm

Series D in 2017
Vapotherm, Inc. is a medical technology company specializing in the development and commercialization of proprietary Hi-VNI technology products designed to treat patients of all ages experiencing respiratory distress. Headquartered in Exeter, New Hampshire, the company offers a range of precision flow systems, including Precision Flow Hi-VNI, Precision Flow Plus, Precision Flow Classic, and Precision Flow Heliox, which deliver heated, humidified, and oxygenated air at high velocity through a small-bore nasal interface. Vapotherm also provides various companion products, such as the Vapotherm Transfer Unit for patient mobility, the Q50 compressor for compressed air, and aerosol solutions for medication delivery. Additionally, the company offers disposable products, including single-use nasal interfaces and Oxygen Assist Modules to help clinicians maintain target oxygen levels. Vapotherm generates revenue primarily through direct sales to hospitals in the United States and through distributors in select international markets. Founded in 1993, the company is committed to enhancing clinical outcomes and improving the quality of life for patients.

Vapotherm

Series C in 2015
Vapotherm, Inc. is a medical technology company specializing in the development and commercialization of proprietary Hi-VNI technology products designed to treat patients of all ages experiencing respiratory distress. Headquartered in Exeter, New Hampshire, the company offers a range of precision flow systems, including Precision Flow Hi-VNI, Precision Flow Plus, Precision Flow Classic, and Precision Flow Heliox, which deliver heated, humidified, and oxygenated air at high velocity through a small-bore nasal interface. Vapotherm also provides various companion products, such as the Vapotherm Transfer Unit for patient mobility, the Q50 compressor for compressed air, and aerosol solutions for medication delivery. Additionally, the company offers disposable products, including single-use nasal interfaces and Oxygen Assist Modules to help clinicians maintain target oxygen levels. Vapotherm generates revenue primarily through direct sales to hospitals in the United States and through distributors in select international markets. Founded in 1993, the company is committed to enhancing clinical outcomes and improving the quality of life for patients.

Conventus Orthopaedics

Series A in 2014
Conventus Orthopaedics provides a range of orthopedic and sports medicine services. The physicians specialize in orthopedic surgery, reconstructive surgery, spine surgery, joint replacement, sports medicine, physical therapy, and operative care of fractures, arthritis, strains, sprains, and sports-related injuries. Conventus was formed by a team of medical professionals with the sole purpose of creating less invasive ways to treat challenging periarticular fractures. By leveraging advanced nitinol technology, the Conventus team has developed a platform technology that provides robust fixation and creates reliable repairs. The company was incorporated in 2009 and is based in Maple Grove, Minnesota.

Conventus Orthopaedics

Venture Round in 2013
Conventus Orthopaedics provides a range of orthopedic and sports medicine services. The physicians specialize in orthopedic surgery, reconstructive surgery, spine surgery, joint replacement, sports medicine, physical therapy, and operative care of fractures, arthritis, strains, sprains, and sports-related injuries. Conventus was formed by a team of medical professionals with the sole purpose of creating less invasive ways to treat challenging periarticular fractures. By leveraging advanced nitinol technology, the Conventus team has developed a platform technology that provides robust fixation and creates reliable repairs. The company was incorporated in 2009 and is based in Maple Grove, Minnesota.

CVRx

Series F in 2013
CVRx, Inc. is a medical device company headquartered in Minneapolis, Minnesota, that specializes in the development of implantable technologies for the treatment of high blood pressure and heart failure. Founded in 2000, the company has created Barostim NEO, a neuro-modulation therapy that activates the body's natural mechanisms to regulate blood pressure and address heart failure progression. This therapy utilizes an implantable system that is tailored to the individual needs of patients. CVRx also offers the Rheos platform, which includes an implantable pulse generator and carotid sinus leads designed to deliver therapeutic energy to the carotid arteries. With a focus on minimally invasive solutions, CVRx primarily serves patients and healthcare professionals in the United States and internationally, including markets in the United Kingdom, the Netherlands, Italy, and Germany.

Celleration

Series E in 2011
Celleration Inc. is a privately held medical device company based in Eden Prairie, Minnesota, founded in 1999. The company specializes in developing and commercializing therapeutic ultrasound technologies for wound care. Its flagship product, the MIST Therapy System, utilizes low-frequency ultrasound delivered through a saline mist to promote healing in wounds. This innovative approach allows ultrasound energy to penetrate beyond the surface of the wound, stimulating cellular activity and enhancing the healing process. Since receiving FDA clearance in 2005, Celleration has established a strong presence in the U.S. market, with over 1 million MIST Therapy treatments performed, benefiting more than 65,000 patients across numerous healthcare facilities. Celleration's commitment to advancing wound care technology has resulted in significant clinical and economic benefits, reinforcing its role in the medical community.

Anulex Technologies

Series D in 2009
Anulex Technologies focus on developing proprietary medical technology to repair and seal the soft tissue of the spine (anulus) for patients undergoing a surgical procedure to remove a herniated disc (discectomy).

Broncus Medical

Series G in 2008
Broncus Medical is a medical technology company specializing in the development of minimally-invasive devices for treating lung diseases, including emphysema and lung cancer. Based in Mountain View, California, with an international presence in Nyon, Switzerland, Broncus is focused on addressing significant unmet medical needs in interventional pulmonology. The company is exploring its Exhale product line, which features a patented treatment method known as Airway Bypass, aimed at providing a minimally-invasive solution for patients suffering from homogeneous emphysema. Broncus is currently conducting the pivotal EASE Trial, enrolling patients worldwide to evaluate the efficacy of this treatment in severe cases of the disease. Additionally, Broncus offers a range of innovative products designed to enhance diagnostic and therapeutic outcomes in lung care, including the Archimedes System, LungPoint, and InterVapor System.

PHT

Series F in 2008
PHT is a leading provider of electronic patient reported outcome (ePRO) solutions utilized in clinical trials globally. The company specializes in web-based direct data capture and management technologies that enhance data quality, facilitating more accurate and comprehensive information collection for biopharmaceutical and medical device companies. PHT's LogPad and StudyPad Systems streamline trial processes, while the robust StudyWorks online portal offers study sponsors, monitors, and sites real-time access to critical data. This enables faster decision-making and ultimately contributes to the success of clinical trials, making PHT an essential partner in the pharmaceutical and clinical research sectors.

CVRx

Series E in 2008
CVRx, Inc. is a medical device company headquartered in Minneapolis, Minnesota, that specializes in the development of implantable technologies for the treatment of high blood pressure and heart failure. Founded in 2000, the company has created Barostim NEO, a neuro-modulation therapy that activates the body's natural mechanisms to regulate blood pressure and address heart failure progression. This therapy utilizes an implantable system that is tailored to the individual needs of patients. CVRx also offers the Rheos platform, which includes an implantable pulse generator and carotid sinus leads designed to deliver therapeutic energy to the carotid arteries. With a focus on minimally invasive solutions, CVRx primarily serves patients and healthcare professionals in the United States and internationally, including markets in the United Kingdom, the Netherlands, Italy, and Germany.

Atritech

Series D in 2007
Atritech is a private medical technology company based in Minneapolis, Minnesota, founded in 2000. The company specializes in developing minimally invasive technologies aimed at preventing strokes related to atrial fibrillation. Their flagship product, the WATCHMAN Left Atrial Appendage Closure Technology, is designed to offer a permanent alternative to long-term anticoagulation therapy for patients with non-valvular atrial fibrillation who are at risk of stroke. The device works by closing off the left atrial appendage, preventing harmful blood clots from entering the bloodstream and causing strokes or other complications. The WATCHMAN Device has been CE Marked and is available in many markets outside the United States, while it is currently under investigation in the U.S.

CVRx

Series D in 2007
CVRx, Inc. is a medical device company headquartered in Minneapolis, Minnesota, that specializes in the development of implantable technologies for the treatment of high blood pressure and heart failure. Founded in 2000, the company has created Barostim NEO, a neuro-modulation therapy that activates the body's natural mechanisms to regulate blood pressure and address heart failure progression. This therapy utilizes an implantable system that is tailored to the individual needs of patients. CVRx also offers the Rheos platform, which includes an implantable pulse generator and carotid sinus leads designed to deliver therapeutic energy to the carotid arteries. With a focus on minimally invasive solutions, CVRx primarily serves patients and healthcare professionals in the United States and internationally, including markets in the United Kingdom, the Netherlands, Italy, and Germany.

Broncus Medical

Series F in 2006
Broncus Medical is a medical technology company specializing in the development of minimally-invasive devices for treating lung diseases, including emphysema and lung cancer. Based in Mountain View, California, with an international presence in Nyon, Switzerland, Broncus is focused on addressing significant unmet medical needs in interventional pulmonology. The company is exploring its Exhale product line, which features a patented treatment method known as Airway Bypass, aimed at providing a minimally-invasive solution for patients suffering from homogeneous emphysema. Broncus is currently conducting the pivotal EASE Trial, enrolling patients worldwide to evaluate the efficacy of this treatment in severe cases of the disease. Additionally, Broncus offers a range of innovative products designed to enhance diagnostic and therapeutic outcomes in lung care, including the Archimedes System, LungPoint, and InterVapor System.

LipoScience

Series F in 2006
LipoScience is a Raleigh, North Carolina-based company specializing in personalized diagnostics through the use of nuclear magnetic resonance (NMR) technology. The company has developed the NMR LipoProfile test, its flagship diagnostic tool, which quantitatively measures low density lipoprotein particles (LDL-P) in blood samples. This test provides physicians and patients with critical information to tailor heart disease risk management effectively. Since its inception, LipoScience has seen significant adoption, with over 8 million NMR LipoProfile tests ordered to date.

Anulex Technologies

Series C in 2006
Anulex Technologies focus on developing proprietary medical technology to repair and seal the soft tissue of the spine (anulus) for patients undergoing a surgical procedure to remove a herniated disc (discectomy).

Verax Biomedical

Series B in 2005
Verax Biomedical, Incorporated is a medical products company headquartered in Marlborough, Massachusetts, established in 1999. The company specializes in developing rapid tests for detecting bacterial contaminants in blood cells and tissues intended for transplantation and cellular therapies. Recognizing the unique challenges posed by bacterial contamination—especially since bacteria can multiply in storage conditions, leading to significant risks during transfusions and transplants—Verax Biomedical has created innovative solutions to address this critical health concern. Its product line includes platelet and red cell pan genera detection tests that identify common antigens present on both gram-positive and gram-negative bacteria. By enabling blood banks to detect bacterial contamination effectively, Verax Biomedical plays an essential role in enhancing the safety of blood transfusions and transplants.
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