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1. 发明授权

US5356424A Laparoscopic suturing device 失效
标题翻译：腹腔镜缝合装置
公开(公告)号：US5356424A
公开(公告)日：1994-10-18
申请号：US13871
申请日：1993-02-05
申请人： John E. Buzerak , Robert J. Bedard , Janniah S. Prasad , Charles L. Putnam , Lester Miller , Steven I. Becker , James Coleman
发明人： John E. Buzerak , Robert J. Bedard , Janniah S. Prasad , Charles L. Putnam , Lester Miller , Steven I. Becker , James Coleman
IPC分类号： A61B17/04 , A61B17/06 , A61B17/11 , A61B17/00
CPC分类号： A61B17/0469 , A61B17/06066 , A61B17/1114 , A61B2017/06052 , A61B2017/06076 , A61B2017/06171 , A61B2017/1142
摘要： A laparoscopic suturing device includes a suturing needle and a driver for manipulating the needle. The suturing needle features a helically-wound front-end portion with a needle point at its proximal end for penetrating tissue and a rear-end portion connected to the driver. The slender design of the suturing device is ideally suited for minimally-invasive surgery.
摘要翻译：腹腔镜缝合装置包括缝合针和用于操纵针的驱动器。缝合针具有螺旋缠绕的前端部分，其近端具有针尖以穿透组织，并且连接到驾驶员的后端部分。缝合装置的细长设计非常适合微创手术。

2. 发明授权

US5330441A Surgical suturing needle and method for making same 失效
标题翻译：手术缝合针及其制作方法
公开(公告)号：US5330441A
公开(公告)日：1994-07-19
申请号：US55165
申请日：1993-04-30
申请人： Janniah S. Prasad , Robert Maurer , Paul Kapralos , John E. Buzerak , Charles L. Putnam
发明人： Janniah S. Prasad , Robert Maurer , Paul Kapralos , John E. Buzerak , Charles L. Putnam
IPC分类号： A61B17/06 , A61B17/00
CPC分类号： A61B17/06066 , A61B17/06004 , A61B2017/00853
摘要： A surgical suturing needle is formed to have a needle shaft with a rectangular cross-section and a needle head with a triangular needle point. A transitional portion between the needle shaft and the needle head is formed to have a maximum width greater than the width of the needle shaft. A plurality of cutting edges extend from the needle point to at least the maximum width section of the transitional portion. After forming and grinding the suturing needle, it is immersed in an acid bath and exposed to an electrical field. Finally, the surgical needle is heat-treated to increase its strength and resistance to bending or breaking.
摘要翻译：外科缝合针形成为具有矩形横截面的针轴和具有三角形针尖的针头。针轴和针头之间的过渡部分形成为具有大于针轴宽度的最大宽度。多个切割刃从针尖延伸到至少过渡部分的最大宽度部分。成形和研磨缝合针后，将其浸入酸浴中并暴露于电场。最后，对外科手术针进行热处理以增加其强度和抗弯曲或断裂。

3. 发明授权

US06730048B1 Apparatus and method for ultrasonic medical device with improved visibility in imaging procedures 失效
标题翻译：超声波医疗设备的装置和方法，具有改进的成像过程中的可见性
公开(公告)号：US06730048B1
公开(公告)日：2004-05-04
申请号：US10328202
申请日：2002-12-23
申请人： Bradley A. Hare , Janniah S. Prasad
发明人： Bradley A. Hare , Janniah S. Prasad
IPC分类号： A61B1722
CPC分类号： A61B17/22012 , A61B90/39 , A61B2017/00902 , A61B2017/22014 , A61B2017/22018 , A61B2090/3925
摘要： The present invention provides an apparatus and method for an ultrasonic medical device with improved visibility in imaging procedures. A medical device comprises an elongated probe having a material of high radiopacity at an at least one predetermined location of the probe wherein the material of high radiopacity is capable of withstanding series of vibrations of the elongated probe. The material of high radiopacity allows the elongated probe to be visualized in imaging procedures when the probe is inserted into a body. The present invention provides a method of improving the visibility of an ultrasonic medical device during a medical procedure by engaging a material of high radiopacity to a small diameter elongated probe wherein the material of high radiopacity engages the probe at an at least one predetermined location.
摘要翻译：本发明提供一种超声波医疗装置的装置和方法，其具有改进的成像过程中的可见性。医疗装置包括在探针的至少一个预定位置处具有高射线不透性材料的细长探针，其中高不透射线材料能够承受细长探针的一系列振动。高射线不透射线的材料允许细长的探针在成像过程中可视化，当探针插入体内时。本发明提供了一种在医疗过程中通过将高辐射不透性材料接合到小直径细长探针来提高超声波医疗装置的可视性的方法，其中高射线不透性材料在至少一个预定位置处接合探针。

4. 发明授权

US4968362A Dark metallic product 失效
标题翻译：暗金属制品
公开(公告)号：US4968362A
公开(公告)日：1990-11-06
申请号：US220883
申请日：1988-06-22
申请人： Janniah S. Prasad
发明人： Janniah S. Prasad
IPC分类号： C23C22/50
CPC分类号： C23C22/50
摘要： A metallic product having a dark, nonreflective and nonflaking surface is disclosed. A method of manufacturing the dark, nonreflective and nonflaking surface is also disclosed.
摘要翻译：公开了一种具有黑色，非反射和非剥离表面的金属产品。还公开了制造黑暗，非反射和非剥离表面的方法。

5. 发明授权

US06647755B2 Method for manufacturing small diameter medical devices 失效
标题翻译：小直径医疗器械的制造方法
公开(公告)号：US06647755B2
公开(公告)日：2003-11-18
申请号：US10092862
申请日：2002-03-06
申请人： Robert A. Rabiner , Bradley A. Hare , Janniah S. Prasad
发明人： Robert A. Rabiner , Bradley A. Hare , Janniah S. Prasad
IPC分类号： B21C128
CPC分类号： B21C3/02 , A61B17/22012 , A61B2017/22015 , A61B2017/22018 , B21C1/22 , B21C1/30 , B21C9/02 , B21F45/008
摘要： An apparatus and method for manufacturing small diameter ultrasonic probes capable of vibrating in a transverse mode that can be used in ultrasonic tissue ablation. The apparatus includes a die, a style puller which is used to engage a functional end of the medical device, and a die room puller which is used to draw the medical device through the die. The die includes a bell-shaped lead-in on a front side of the die and a bell-shaped lead-in on a back side of the die allowing for reversal of the direction of the draw. The method of manufacturing includes heat treating a large diameter medical device, drawing the large diameter device through a die and reversing the draw of the medical device through the die to provide a medical device having a varying diameter along a length of the device. The method is repeated until a final diameter is reached.
摘要翻译：一种用于制造能够用于超声波组织消融的横向模式的小直径超声波探头的装置和方法。该装置包括模具，用于接合医疗装置的功能端的型式拔出器，以及用于通过模具拉出医疗装置的模具室拉拔器。模具包括在模具的前侧上的钟形引导件和在模具的背面上的钟形引入件，从而能够反转拉伸方向。制造方法包括对大直径医疗装置进行热处理，通过模具拉伸大直径装置并使医疗装置通过模头反转，以提供具有沿装置长度变化的直径的医疗装置。重复该方法直到达到最终直径。

6. 发明授权

US5536582A Aqueous silicone coating compositions, method of coating substrates with the same and coated surgical needles produced thereby 失效
标题翻译：水性硅氧烷涂料组合物，用相同的涂布基材和由此制成的涂覆的外科手术针的方法
公开(公告)号：US5536582A
公开(公告)日：1996-07-16
申请号：US358659
申请日：1994-12-19
申请人： Janniah S. Prasad , Dario Vitali
发明人： Janniah S. Prasad , Dario Vitali
IPC分类号： A61B17/06 , A61L17/00 , A61L31/10 , A61M5/32 , C08J3/03 , C08K5/06 , C08L83/04 , C09D183/04 , B32B9/06 , B32B15/04
CPC分类号： C08J3/03 , A61L31/10 , A61M5/32 , C09D183/04 , A61B17/06066 , C08J2383/04
摘要： An aqueous silicone coating composition containing a reactive siloxane polymer and a non-reactive dimethylpolysiloxane in an aqueous carrier having an effective amount of at least one dispersing agent to disperse the siloxanes throughout the aqueous carrier. Also provided is a method of lubricating substrates by applying an aqueous silicone coating composition to the substrate and curing the silicone thereon, as well as lubricated surgical needles prepared by that method.
摘要翻译：一种水性硅氧烷涂料组合物，其在水性载体中含有反应性硅氧烷聚合物和非反应性二甲基聚硅氧烷，所述含水载体具有有效量的至少一种分散剂以将硅氧烷分散在整个水性载体中。还提供了通过将水性硅氧烷涂料组合物施加到基底上并固化其上的硅酮以及通过该方法制备的润滑的外科手术来润滑基底的方法。

7. 发明授权

US5536527A Method and apparatus for applying coating to surgical needles 失效
标题翻译：将涂层涂抹于外科用针的方法和装置
公开(公告)号：US5536527A
公开(公告)日：1996-07-16
申请号：US298266
申请日：1994-08-31
申请人： Janniah S. Prasad
发明人： Janniah S. Prasad
IPC分类号： A61B17/00 , A61B17/06 , B05C1/00 , B05C1/02 , B05D1/28 , A61M5/178 , B05D5/08
CPC分类号： B05D1/28 , B05C1/00 , B05C1/022 , A61B17/06066 , A61B2017/0084
摘要： A method and apparatus for applying a lubricant coating to surgical needles utilizes a belt coating system with two endless belts. The endless belts have confronting running sides and are rotated in opposite directions for feeding the surgical needles therebetween. The needles are fed between the confronting running sides and are pressed lightly between the endless belts, whose surfaces have been wetted with the lubricant solution. The needles are cured after coating.
摘要翻译：用于向外科手术针施加润滑剂涂层的方法和装置利用具有两个环形带的带涂层系统。环形带具有面对的运行侧面并且沿相反的方向旋转，以在其间进给外科手术针。针在相对的运行侧之间进给，并在环形带之间轻轻按压，其表面已经被润滑剂溶液润湿。针在涂层后固化。

8. 发明授权

US5628826A Method and apparatus for applying coating to surgical needles 失效
标题翻译：将涂层涂抹于外科用针的方法和装置
公开(公告)号：US5628826A
公开(公告)日：1997-05-13
申请号：US485535
申请日：1995-06-07
申请人： Janniah S. Prasad
发明人： Janniah S. Prasad
IPC分类号： A61B17/00 , A61B17/06 , B05C1/00 , B05C1/02 , B05D1/28 , B05C1/08
CPC分类号： B05D1/28 , B05C1/00 , B05C1/022 , A61B17/06066 , A61B2017/0084
摘要： A method and apparatus for applying a lubricant coating to surgical needles utilizes a belt coating system with two endless belts. The endless belts have confronting running sides and are rotated in opposite directions for feeding the surgical needles therebetween. The needles are fed between the confronting running sides and are pressed lightly between the endless belts, whose surfaces have been wetted with the lubricant solution. The needles are cured after coating.
摘要翻译：用于向外科手术针施加润滑剂涂层的方法和装置利用具有两个环形带的带涂层系统。环形带具有面对的运行侧面并且沿相反的方向旋转，以在其间进给外科手术针。针在相对的运行侧之间进给，并在环形带之间轻轻按压，其表面已经被润滑剂溶液润湿。针在涂层后固化。

9. 发明授权

US4069963A Electrically conductive alloy 失效
标题翻译：导电合金
公开(公告)号：US4069963A
公开(公告)日：1978-01-24
申请号：US712468
申请日：1976-08-09
申请人： Janniah S. Prasad
发明人： Janniah S. Prasad
IPC分类号： C22C5/06 , H01L21/60
CPC分类号： C22C5/06 , H01L2924/0002 , Y10T428/12431
摘要： An alloy comprising silver plus one or more additives taken from the class consisting of gold, platinum, osmium, iridium, palladium, ruthenium and rhodium is disclosed. Each additive metal is present in an amount of from 0 to 1% by weight of the alloy. The total amount of additive is at least 0.05% by weight of the alloy. A method of making permanent electrical connections using the alloy is also disclosed.
摘要翻译：公开了一种包含银加一种或多种从金，铂，锇，铱，钯，钌和铑组成的添加剂的合金。每种添加剂金属的存在量为合金重量的0至1％。添加剂的总量为合金的0.05重量％以上。还公开了使用该合金进行永久电连接的方法。

10. 发明授权

US3981724A Electrically conductive alloy 失效
公开(公告)号：US3981724A
公开(公告)日：1976-09-21
申请号：US521393
申请日：1974-11-06
申请人： Janniah S. Prasad
发明人： Janniah S. Prasad
IPC分类号： C22C5/06
CPC分类号： C22C5/06 , H01L2924/0002 , Y10T428/12431
摘要： An alloy comprising silver plus one or more additives taken from the class consisting of gold, platinum, osmium, iridium, palladium, ruthenium and rhodium is disclosed. Each additive metal is present in an amount of from 0 to 1% by weight of the alloy. The total amount of additive is at least 0.05% by weight of the alloy. A method of making permanent electrical connections using the alloy is also disclosed.

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