Patents by Inventor Krasimira Hristov
Krasimira Hristov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230098318Abstract: An implant delivery sleeve comprises a tubular wall having a proximal end with a proximal opening, a distal end with a distal opening, and an implant delivery channel extending between the proximal and distal ends of said tubular wall. A plurality of bands interconnect portions of the tubular wall for constricting the implant delivery channel adjacent the distal end of the tubular wall. As an implant is advanced toward the distal end of the tubular wall, the constriction squeezes and/or deforms the implant for facilitating insertion into an incision that is smaller than the normal size of the implant.Type: ApplicationFiled: September 29, 2021Publication date: March 30, 2023Inventors: Krasimira Hristov, Leo B. Kriksunov, Robert J. Tannhauser, Marc Feinberg
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Patent number: 11471268Abstract: An implantable prosthesis includes a silicone shell having an apex, a base, a radius located between the apex and the base, and a dome extending between the apex and the radius. The silicone shell has an outer surface and an inner surface that surrounds an interior volume of the silicone shell. A silicone gel material is disposed within the interior volume of the silicone shell. A gelling enhancer layer containing a gelling enhancer covers the inner surface of the silicone shell. After the silicone gel material has been thermally cured, the silicone gel material that is located within a zone that is in the vicinity of the gelling enhancer layer has a higher level of cohesiveness than the silicone gel material that is located outside the zone. The gelling enhancer contains crosslinker and/or platinum catalyst, such as a Karstedt catalyst.Type: GrantFiled: April 25, 2020Date of Patent: October 18, 2022Assignee: Mentor Worldwide LLCInventors: Joseph H. Contiliano, Krasimira Hristov, Duan Li Ou, Leo B. Kriksunov, Robert J. Tannhauser
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Publication number: 20220241066Abstract: An implant-delivery sleeve may comprise an enclosure having at least one opening and at least one vent conduit. The vent conduit may extend along a surface of the enclosure to assist in removing fluids (e.g., blood and air) from the tissue pocket to facilitate implantation of the implant.Type: ApplicationFiled: April 21, 2022Publication date: August 4, 2022Inventors: Krasimira HRISTOV, Clifford DWYER, James FLEMING, Robert TANNHAUSER, Leo KRIKSUNOV
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Patent number: 11311369Abstract: An implant-delivery sleeve may comprise an enclosure having at least one opening and at least one vent conduit. The vent conduit may extend along a surface of the enclosure to assist in removing fluids (e.g., blood and air) from the tissue pocket to facilitate implantation of the implant.Type: GrantFiled: March 6, 2018Date of Patent: April 26, 2022Assignee: MENTOR WORLDWIDE LLCInventors: Krasimira Hristov, Clifford Dwyer, James Fleming, Robert Tannhauser, Leo Kriksunov
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Publication number: 20210330448Abstract: An implantable prosthesis includes a silicone shell having an apex, a base, a radius located between the apex and the base, and a dome extending between the apex and the radius. The silicone shell has an outer surface and an inner surface that surrounds an interior volume of the silicone shell. A silicone gel material is disposed within the interior volume of the silicone shell. A gelling enhancer layer containing a gelling enhancer covers the inner surface of the silicone shell. After the silicone gel material has been thermally cured, the silicone gel material that is located within a zone that is in the vicinity of the gelling enhancer layer has a higher level of cohesiveness than the silicone gel material that is located outside the zone. The gelling enhancer contains crosslinker and/or platinum catalyst, such as a Karstedt catalyst.Type: ApplicationFiled: April 25, 2020Publication date: October 28, 2021Inventors: Joseph H. Contiliano, Krasimira Hristov, Duan Li Ou, Leo B. Kriksunov, Robert J. Tannhauser
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Patent number: 10751162Abstract: A mammary implant and method of making are provided herein. The implant includes an outer shell configured to retain fluid therein, an injection element coupled to the outer shell and adapted to receive therethrough an injection device for injecting fluid into the outer shell, and an injection marker zone made of a material having ultrasonically detectable markers incorporated therein. The markers are a plurality of microcavities that are located relative to the injection element so that, when ultrasonically detected, such detection indicates a location of the injection element.Type: GrantFiled: March 22, 2017Date of Patent: August 25, 2020Assignee: MENTOR WORLDWIDE LLCInventors: Krasimira Hristov, Leo B. Kriksunov, Robert J. Tannhauser
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Patent number: 10617516Abstract: An expandable mammary implant including a shell having an anterior face and a posterior face. The anterior has an upper pole portion and a lower pole portion meeting at an apex, and an injection zone for receiving fluid therethrough to inflate the implant. A reinforcement material is coupled to the shell in a reinforcement zone. The reinforcement material is coupled to the shell so as to at least coincide with the upper pole portion and a peripheral rim portion that extends from the posterior face upwardly into said anterior face by a predetermined distance.Type: GrantFiled: June 27, 2017Date of Patent: April 14, 2020Assignee: MENTOR WORLDWIDE LLCInventors: Luis Alberto Davila, Anita M. Falcon, Krasimira Hristov, Leo B. Kriksunov, Robert J. Tannhauser
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Publication number: 20190274817Abstract: An implant-delivery sleeve may comprise an enclosure having at least one opening and at least one vent conduit. The vent conduit may extend along a surface of the enclosure to assist in removing fluids (e.g., blood and air) from the tissue pocket to facilitate implantation of the implant.Type: ApplicationFiled: March 6, 2018Publication date: September 12, 2019Inventors: Krasimira HRISTOV, Clifford DWYER, James FLEMING, Robert TANNHAUSER, Leo KRIKSUNOV
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Publication number: 20190274818Abstract: An implant delivery sleeve is disclosed. The sleeve may comprise a first tube including a first segment, a second segment, and a third segment. The first segment may have a first stiffness, the second segment may have a second stiffness, and the third segment may have a third stiffness. The third stiffness may be greater than the second stiffness and the second stiffness may be greater than the first stiffness. The implant-delivery sleeve may be used to deliver a breast implant to a subject. The implant may be deformed within the sleeve, to advance it within the sleeve and extrude it from the distal end of the sleeve.Type: ApplicationFiled: March 6, 2018Publication date: September 12, 2019Inventors: Krasimira HRISTOV, Marc FEINBERG, Leo KRIKSUNOV, Robert TANNHAUSER
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Patent number: 10149753Abstract: Novel bioabsorbable, nasal spreader graft implant devices are disclosed. The devices are useful in rhinoplasty and nasal reconstruction surgical procedures, as well as other surgical procedures. The devices have biodegradable core plates and biodegradable spreader plates or tissue ingrowth plates. The plates may have tissue ingrowth properties.Type: GrantFiled: December 2, 2016Date of Patent: December 11, 2018Assignee: Ethicon, Inc.Inventors: G. Gavin Chen, Krasimira Hristov, Jianxin Guo, Jianguo Jack Zhou, James A. Matrunich
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Patent number: 9949823Abstract: Novel bioabsorbable, universal kits used to form nasal implants are disclosed. The implants are useful in rhinoplasty and nasal reconstruction surgical procedures. The kit devices have a universal configuration and can be converted by the surgeon in the field into one or more individual nasal implant devices having different configurations and applications. The kits may have outlines of nasal implants thereon.Type: GrantFiled: May 5, 2015Date of Patent: April 24, 2018Assignee: Ethicon, IncInventors: Krasimira Hristov, Gaoyuan Gavin Chen, Mark T. Mooney, James A. Matrunich, Jianxin Guo, Emil Richard Skula
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Publication number: 20170319328Abstract: An expandable mammary implant including a shell having an anterior face and a posterior face. The anterior has an upper pole portion and a lower pole portion meeting at an apex, and an injection zone for receiving fluid therethrough to inflate the implant. A reinforcement material is coupled to the shell in a reinforcement zone. The reinforcement material is coupled to the shell so as to at least coincide with the upper pole portion and a peripheral rim portion that extends from the posterior face upwardly into said anterior face by a predetermined distance.Type: ApplicationFiled: June 27, 2017Publication date: November 9, 2017Inventors: Luis Alberto Davila, Anita M. Falcon, Krasimira Hristov, Leo B. Kriksunov, Robert J. Tannhauser
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Patent number: 9700405Abstract: An expandable mammary implant including a shell having an anterior face and a posterior face. The anterior has an upper pole portion and a lower pole portion meeting at an apex, and an injection zone for receiving fluid therethrough to inflate the implant. A reinforcement material is coupled to the shell in a reinforcement zone. The reinforcement material is coupled to the shell so as to at least coincide with the upper pole portion and a peripheral rim portion that extends from the posterior face upwardly into said anterior face by a predetermined distance.Type: GrantFiled: March 31, 2014Date of Patent: July 11, 2017Assignee: MENTOR WORLDWIDE LLCInventors: Luis Alberto Davila, Anita M. Falcon, Krasimira Hristov, Leo B. Kriksunov, Robert J. Tannhauser
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Publication number: 20170189165Abstract: A mammary implant and method of making are provided herein. The implant includes an outer shell configured to retain fluid therein, an injection element coupled to the outer shell and adapted to receive therethrough an injection device for injecting fluid into the outer shell, and an injection marker zone made of a material having ultrasonically detectable markers incorporated therein. The markers are a plurality of microcavities that are located relative to the injection element so that, when ultrasonically detected, such detection indicates a location of the injection element.Type: ApplicationFiled: March 22, 2017Publication date: July 6, 2017Applicant: MENTOR WORLDWIDE LLCInventors: Krasimira Hristov, Leo B. Kriksunov, Robert J. Tannhauser
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Patent number: 9636210Abstract: A mammary implant and method of making are provided herein. The implant includes an outer shell configured to retain fluid therein, an injection element coupled to the outer shell and adapted to receive therethrough an injection device for injecting fluid into the outer shell, and an injection marker zone made of a material having ultrasonically detectable markers incorporated therein. The markers are a plurality of microcavities that are located relative to the injection element so that, when ultrasonically detected, such detection indicates a location of the injection element.Type: GrantFiled: May 19, 2014Date of Patent: May 2, 2017Assignee: Mentor Worldwide LLCInventors: Krasimira Hristov, Leo B. Kriksunov, Robert J. Tannhauser
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Publication number: 20170079776Abstract: Novel bioabsorbable, nasal spreader graft implant devices are disclosed. The devices are useful to rhinoplasty and nasal reconstruction surgical procedures, as well as other surgical procedures. The devices have biodegradable core plates and biodegradable spreader plates or tissue ingrowth plates. The plates may have tissue ingrowth properties.Type: ApplicationFiled: December 2, 2016Publication date: March 23, 2017Inventors: G. Gavin Chen, Krasimira Hristov, Jianxin Guo, Jianguo Jack Zhou, James A. Matrunich
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Publication number: 20170079777Abstract: Novel bioabsorbable, nasal spreader graft implant devices are disclosed. The devices are useful in rhinoplasty and nasal reconstruction surgical procedures, as well as other surgical procedures. The devices have biodegradable core plates and biodegradable spreader plates or tissue ingrowth plates. The plates may have tissue ingrowth properties.Type: ApplicationFiled: December 2, 2016Publication date: March 23, 2017Inventors: G. Gavin Chen, Krasimira Hristov, Jianxin Guo, Jianguo Jack Zhou, James A. Matrunich
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Publication number: 20170079775Abstract: Novel bioabsorbable, nasal spreader graft implant devices are disclosed. The devices are useful in rhinoplasty and nasal reconstruction surgical procedures, as well as other surgical procedures. The devices have biodegradable core plates and biodegradable spreader plates or tissue ingrowth plates. The plates may have tissue ingrowth properties.Type: ApplicationFiled: December 2, 2016Publication date: March 23, 2017Inventors: G. Gavin Chen, Krasimira Hristov, Jianxin Guo, Jianguo Jack Zhou, James A. Matrunich
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Patent number: 9510940Abstract: Novel bioabsorbable, nasal spreader graft implant devices are disclosed. The devices are useful in rhinoplasty and nasal reconstruction surgical procedures, as well as other surgical procedures. The devices have biodegradable core plates and biodegradable spreader plates or tissue ingrowth plates. The plates may have tissue ingrowth properties.Type: GrantFiled: February 17, 2011Date of Patent: December 6, 2016Assignee: Ethicon, Inc.Inventors: G. Gavin Chen, Krasimira Hristov, Jianxin Guo, James A. Matrunich, Jianguo Jack Zhou
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Patent number: 9463087Abstract: An expandable mammary tissue implant including a shell having an anterior face and a posterior face, the anterior face having an upper pole portion and a lower pole portion meeting at an apex, and an injection zone for receiving fluid therethrough to inflate the implant. The implant further includes a vertical tether member having first and second ends and a central region therebetween having an aperture therethrough. The central region is coupled to the anterior face of the implant at a location such that the injection zone is positioned within the aperture in the central region. The first and second ends of the vertical tether member are coupled to the posterior face of the implant.Type: GrantFiled: November 6, 2014Date of Patent: October 11, 2016Assignee: Mentor Worldwide LLCInventors: Krasimira Hristov, Luis Alberto Davila, Anita M. Falcon, Michael Hoffman