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21. 发明专利

JPH05156203A SMOOTH HYDROGEL COATING 失效
公开(公告)号：JPH05156203A
公开(公告)日：1993-06-22
申请号：JP11046591
申请日：1991-05-15
申请人： BARD INC C R
发明人： RICHIYAADO KEI ERUTON
IPC分类号： B05D7/24 , A61L29/00 , C08L75/00 , C08L75/04 , C09D137/00 , C09D139/06 , C09D175/00 , C09D175/04

22. 发明专利

JPH04231070A MULTI-LAYER HIGH STRENGTH BALLOON FOR EXPANSION CATHETER 失效
公开(公告)号：JPH04231070A
公开(公告)日：1992-08-19
申请号：JP11053791
申请日：1991-05-15
申请人： BARD INC C R
发明人： MAAKU EI SAABU
IPC分类号： A61L29/06 , A61M25/00
摘要： PURPOSE: To make a conical part and a neck thinner than a cylindrical middle part by forming a balloon from a polymer material, providing the cylindrical middle part, an inclined conical part located outside at each end of the middle part, and a cylindrical neck located at the end of each conical part, forming the balloon from two or more layers including inner and outer layers, and causing one of the layers to be shortened and terminated within the other conical region. CONSTITUTION: A balloon 16 is formed by a plurality of separate, very thin layers 22, 20, 18 from a polymer material, and a relatively thin conical part segment and a neck segment are formed at opposite ends. The balloon 16 is made up of the plurality of layers 22, 20, 18 including an inner layer, i.e., the inner layer 22 defining the balloon 16 comprising a cylindrical middle part 22M, a conical part 22C located at the end of the middle part 22M, and a neck 22N located at the end of the conical part 22C. Each of the continuing outer layers 20, 18 is edged in the region of the conical part 22C so as to be shorter than the next adjacent inner layers 22, 20. Thus, the balloon 16 is determined to have offset wall thicknesses in the region of the conical part 22C and become almost uniform toward the neck 22N.

23. 发明专利

JPH0362109B2 失效
公开(公告)号：JPH0362109B2
公开(公告)日：1991-09-24
申请号：JP8625288
申请日：1988-04-07
申请人： BARD INC C R
发明人： KYASARIN EMU KUUNII
IPC分类号： A61J1/10 , A61J1/05 , A61M1/00 , A61M1/02 , A61M1/14 , A61M1/36
摘要： A venous reservoir (10) including a blood collecting chamber (12) with heat seamed peripheral edges (16,18,20,22) incorporating fillet-defining beads (54) for enhanced blood flow and debubbling. Flow diverters (48) are provided vertically between lower inlet tubes (36,38) and upper air vents (42,44), and laterally between the inlet tubes (36,38) and an outlet tube (50). The diverters (48) are vertically spaced and upwardly inclined toward the vent (42,44) within the flow path of the blood between the inlet and outlet tubes (36,38,50) for an enhanced upward directing of entrapped air toward the vents (42,44) and groove extensions (46) thereof within the chamber (12).

24. 发明专利

JPH0329644A OPTICAL FIBER DIFFUSION TIP FOR UNIFORM RADIATION 失效
公开(公告)号：JPH0329644A
公开(公告)日：1991-02-07
申请号：JP13517390
申请日：1990-05-24
申请人： BARD INC C R
发明人： GUREN ESU BEIKAA , EDOWAADO ERU SHINOFUSUKII
IPC分类号： G02B6/02 , A61B17/00 , A61B18/20 , A61B18/22 , A61B18/24 , A61N5/06
摘要： PURPOSE: To obtain an almost uniform irradiation pattern by arranging a chip assembly into a inside of balloon by connecting the chip assembly into an optical fiber for turning a laser irradiation to outside in a balloon catheter for the plastic surgery of coronary artery. CONSTITUTION: A laser balloon catheter is connected to the end of an elastic tube 10 by reinforcing a central shaft 26 by an intensified spring 28, and an inflatable balloon 30 is fixed around the circumference. In the balloon 30, an optical fiber assembly 24 connected to the optical fiber 32 is helically arranged along the central shaft 26. A crude having a less index of refraction than the core of the chip assembly 24 is laminated around the circumference of the chip assembly 24, and also a jacket for protecting the crude is further laminated, and then a laser beam is externally irradiated from the optical fiber 32. Thus, it can obtain an almost uniformed and cylindrical irradiation pattern.

25. 发明专利

JPH02279132A CONTROLLABLE GUIDE WIRE HAVING ELECTRODE FOR MEASURING SECTIONAL AREA AND BLOOD FLOW OF BLOOD VESSEL 失效
公开(公告)号：JPH02279132A
公开(公告)日：1990-11-15
申请号：JP6676590
申请日：1990-03-16
申请人： BARD INC C R
发明人： ROBAATO EI BUOOJIERU , UIRIAMU EI BAASHIOOMU , TOOMASU JIEI PARAAMO
IPC分类号： A61B5/026 , A61B5/027 , A61B5/042
摘要： PURPOSE: To measure the sectional area of a blood vessel and the flow rate of a blood by providing a guide wire with a slender shaft having an end portion and the end of a base portion and a tip fixed to the end portion of a shaft, and making the guide wire operable. CONSTITUTION: A guide wire 10 includes a slender shaft 12 having an end portion 12a and the end of a base portion 12b, and also includes the tip region 14 of the end connected with the end portion 12a. The shaft 12 is very flexible, but has a torsional rigidity such as a rotation loaded on the base portion 12b is mostly transmitted to the end portion 12a. The tip region 14 of the end is curved with a predetermined curving shape when it is loosened, and suited to the shape of the blood vessel, and sufficiently flexible so as to follow them. An end electrode 20 and a base electrode 22 are remotely provided by a insulation member 24 in the tip region 14. The end electrode 20 and the base electrode 22 are electrically connected to the end of the base portion of the guide wire 10 by a conductive wire 26 and a conductive tube 28. The wire 26 and the tube 28 are connected to an external stimulation and detecting circuit 34 by a leads 30 and 32, and the stimulation and detecting circuit 34 is connected to a chart recorder 36.

26. 发明专利

JPH02255153A FLUID STORAGE APPARATUS 失效
公开(公告)号：JPH02255153A
公开(公告)日：1990-10-15
申请号：JP4230190
申请日：1990-02-22
申请人： BARD INC C R
发明人： BARII ENU GERUMAN
IPC分类号： B65D25/38 , A61J1/00 , A61J1/05 , A61M1/14 , A61M1/36
摘要： PURPOSE: To discharge blood completely from a storage container without blocking a blood flowing-out port by arranging a rib part adjacent to a flowing- out port of blood in such a way that a flexible membrane is extended over a flowing-out port of blood. CONSTITUTION: A flowing-out port 24 is arranged on a base part of a funnel part or a fib part 30 wherein blood is taken from a storage container formed of a shell 14 and a membrane part 16. The flowing-out port 24 is arranged under the rib part 30 extending in a lateral direction across a base part of a well 32 and adjacent to the rib part. The flowing-out port 24 is positioned in the close vicinity to an end of a shell 14 and at the lowest part of the well 32 in order to carry out discharging from the storage container maximally and efficiently. As a volume of blood in the storage container decreases, the membrane part 16 starts to return to an inherent natural semi-circular form and winds within an inside of the shell 14 and sticks to an inclined wall 26. The rib part 30 makes the membrane part 16 to extend to the flowing-out port 24. Therefore, the membrane part 16 starts to extend along the part 30 left and right to make a discharge of the storage container possible until a complete discharge is ended.

27. 发明专利

JPH02146281A MEDICAL PUMP CONTROLLED BY ENCODING LABEL 失效
公开(公告)号：JPH02146281A
公开(公告)日：1990-06-05
申请号：JP25510589
申请日：1989-09-29
申请人： BARD INC C R
发明人： NIKORASU JII SAMIOTESU , POORU RUUKASU
IPC分类号： F04B49/06 , A61M5/00 , A61M5/145 , A61M5/172
摘要： PURPOSE: To enable pharmaceuticals to be correctly infused by providing a display means including a pre-determined configuration information for select modes of pump operations, and detecting the information of the display means when the display means is arranged adjacent to a control means so as to control a pump means. CONSTITUTION: An infusion rate knob 14, a body weight knob 16, a bolus knob 18 and an operation mode select knob 20 as well as a double-break switch 21 used for selecting the shape of a syringe, etc., are arranged on a front panel of a medical pump 10. A magnetic label 30 attachable to such a front panel are prepared. The magnetic label 30 is provided with three openings 34, 36, 38 with printed English alphabets and numbers 32 indicating a pharmaceutical product type and concentration and visual scales 40, 42, 44 for infusion rate, body weight and bolus attached on the peripheries thereof respectively. Sensors 54-59 for detecting the magnets attached to the predetermined locations on the back of the magnetic label 30 when the magnetic label 30 is attached are arranged. A drive means is controlled by the output signal therefrom.

28. 发明专利

JPH0231765A GUIDE WIRE WITH EXTENSION WIRE 失效
公开(公告)号：JPH0231765A
公开(公告)日：1990-02-01
申请号：JP15034589
申请日：1989-06-13
申请人： BARD INC C R
发明人： TOOMASU JIEI PARAAMO , SUTEIIBUN EMU SARUMON
IPC分类号： A61M25/01 , A61B5/00 , A61B19/00 , A61M25/00 , A61M25/02 , A61M25/08 , A61M25/09 , A61M39/00 , F16B7/14
摘要： PURPOSE: To facilitate exchange of a guidewire and a catheter by providing the guidewire with a self-latching connector means to enable attaching and removing the guidewire and the extension wire, composed so as to re-connect the wire after removal. CONSTITUTION: An extension 30 of a guidewire and the guidewire are connected by inserting the tip of the extension wire 30 into a tube socket of the base edge in the guidewire 22. When a coil 40 is turned a little during insertion, the coil responds to and is lightly interfered with the inside 46 of a tube 28 and is extended to the major axis direction. When the coil 40 starts to contract, the diameter of the tip segment E becomes smaller and this enables attachment to a socket 28. The guidewire 22 and the extension wire 30 are pulled to the axis direction and at the same time the extension wire 30 is twisted to the direction for the spring of the extension wire's tip to contract, then, removal becomes easy. Since the extension wire 30 and the guidewire 22 can be connected or removed as many times as desired, the extension wire can be used repeatedly.

29. 发明专利

JPH0213470A METHOD OF EXPANDING BALLOON EXPANSION CATHETER AND CONSTRICTED PART DEVELOPED IN CORONARY ARTERY 失效
公开(公告)号：JPH0213470A
公开(公告)日：1990-01-17
申请号：JP9865589
申请日：1989-04-18
申请人： BARD INC C R
发明人： JIEEMUSU EFU KURITSUTENDEN
IPC分类号： A61M25/00 , A61F2/958 , A61M29/02
摘要： PURPOSE: To eliminate the danger of exerting damage to the basic blood vessel when a balloon is used for an anastomotic balloon forming technique by providing the end part in the base part of the balloon with an expanded diameter smaller than the diameter of the front end part of the balloon. CONSTITUTION: The balloon 26 has a structure provided with a difference in level having the end part 32 of the base part smaller than the diameter of the front end part 34. Both parts 32, 34 are formed to a cylindrical shape and are connected via a nearly conical part 36 which is tapered toward the base end. Foe example, the balloon 26 has an overall length of about 35mm and the end segment of the base part consists of a length of about 12 to 13mm and a diameter of about 2.0mm. The front end segment has a length of about 12 to 13mm and a diameter of 2.5mm. The balloon 26 is made of a high-strength material which does not elongate even if the balloon is inflated. Such material is preferably, for example, polyethylene terephthalate. As a result, the end part of the base part having the small diameter of the balloon exists in the basic blood vessel and does not excessively expand the basic blood vessel 64.

30. 发明专利

JPS63286161A BLOOD STORAGE VESSEL 失效
公开(公告)号：JPS63286161A
公开(公告)日：1988-11-22
申请号：JP8625288
申请日：1988-04-07
申请人： BARD INC C R
发明人： KIYASARIN EMU KUUNII
IPC分类号： A61J1/10 , A61J1/05 , A61M1/00 , A61M1/02 , A61M1/14 , A61M1/36
摘要： A venous reservoir (10) including a blood collecting chamber (12) with heat seamed peripheral edges (16,18,20,22) incorporating fillet-defining beads (54) for enhanced blood flow and debubbling. Flow diverters (48) are provided vertically between lower inlet tubes (36,38) and upper air vents (42,44), and laterally between the inlet tubes (36,38) and an outlet tube (50). The diverters (48) are vertically spaced and upwardly inclined toward the vent (42,44) within the flow path of the blood between the inlet and outlet tubes (36,38,50) for an enhanced upward directing of entrapped air toward the vents (42,44) and groove extensions (46) thereof within the chamber (12).

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