WO2013051115A1 - 回転機構付インジェクタヘッド - Google Patents
回転機構付インジェクタヘッド Download PDFInfo
- Publication number
- WO2013051115A1 WO2013051115A1 PCT/JP2011/072977 JP2011072977W WO2013051115A1 WO 2013051115 A1 WO2013051115 A1 WO 2013051115A1 JP 2011072977 W JP2011072977 W JP 2011072977W WO 2013051115 A1 WO2013051115 A1 WO 2013051115A1
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- WIPO (PCT)
- Prior art keywords
- syringe
- injector head
- tube
- posture
- rotation axis
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/007—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests for contrast media
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
- A61M39/285—Cam clamps, e.g. roller clamps with eccentric axis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14546—Front-loading type injectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
- A61M2005/1402—Priming
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
- A61M2005/1403—Flushing or purging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M2039/0009—Assemblies therefor designed for particular applications, e.g. contrast or saline injection, suction or irrigation
- A61M2039/0018—Assemblies therefor designed for particular applications, e.g. contrast or saline injection, suction or irrigation designed for flushing a line, e.g. by a by-pass
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/223—Multiway valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/225—Flush valves, i.e. bypass valves for flushing line
Definitions
- the present invention relates to an injector head for introducing a contrast medium and other chemicals into a patient, and more specifically, to an injector head with a rotation mechanism including a mechanism that allows the injector head to rotate in a predetermined direction.
- a contrast medium is introduced into a patient using an injector head, and the test is performed in a state where the affected area is imaged.
- coronary angiography for imaging the blood vessels of the heart, for example, an intravascular operation is performed in which a narrowed lesion is expanded using a catheter method.
- left ventricular imaging that contrasts the left ventricle of the heart, the motion of the myocardium around the left ventricle is examined from the state of contraction and expansion of the heart.
- Such an injector head is disclosed in, for example, Japanese Patent Application Laid-Open No. 10-165396 (Patent Document 1) and Japanese Patent Application Laid-Open No. 10-244002 (Patent Document 2).
- an operation called “priming” is performed to expel air from a syringe previously mounted on the injector head.
- the injector head When performing this priming, in order to expel air efficiently from the syringe, the injector head needs to be in an upward posture (priming posture) so that the through hole provided at the tip of the syringe faces upward.
- the injector head when injecting a contrast medium into a patient, the injector head is greatly rotated so that the through hole provided at the tip of the syringe faces downward, and the injector head is positioned downward (contrast medium injection). Possible posture).
- the tube leading to the patient side is connected to the through hole provided at the tip of the syringe.
- the injector head is largely rotated while the tube is connected to the through hole of the injector head.
- the tube connected to the through hole of the syringe also shakes greatly, so that it is necessary to provide a sufficient length for the tube. If there is a margin in the length of the tube, the engineer needs to pay attention so that the tube does not come into contact with other equipment. In order to avoid contact between the tube and other devices, it is necessary to pay attention to the arrangement of the devices.
- the problem to be solved by the present invention is that interference between the tube connected to the injector head and other devices occurs when the injector head is moved between the “priming posture” and the “contrast-injectable posture”. There is a point that needs attention.
- the present invention has been made to solve the above-described problem, and even when the injector head is moved between the “priming posture” and the “contrast agent injectable posture”, it is connected to the injector head. It is an object of the present invention to provide an injector head with a rotation mechanism having a structure that hardly causes interference between the formed tube and other devices.
- the support section In the injector head with a rotation mechanism according to the present invention, the support section, the rotation section fixed to the support section so that the rotation axis is substantially horizontal, and the rotation section rotatable about the rotation axis.
- An injector head main body fixed to the injector head, and a syringe detachably attached to the injector head main body.
- the syringe includes a through-hole on the distal end side, and when the syringe is mounted on the injector head main body, the central axis of the syringe is rotated when viewed from a direction vertical and horizontal to the rotation axis.
- the syringe head body is inclined with respect to the axis, and the syringe head main body is rotated about the rotation shaft, whereby the through-hole side of the syringe is positioned higher than the injector head main body side.
- the through hole is provided at a position eccentric with respect to the shaft of the syringe, and when the syringe is in the priming posture, the through hole is located on the uppermost side, and the syringe is In the state in which the contrast medium can be introduced, the syringe is mounted on the injector head body so that the through hole is positioned at the lowest side.
- the injector head main body has a substantially rectangular parallelepiped shape
- the syringe is mounted on the first surface of the injector head main body
- the rotation is performed on the upper corner area of the second surface facing the first surface.
- the third surface located on the upper side between the first surface and the second surface rises from the second surface side toward the first surface side
- the injector In the posture in which the contrast medium can be introduced by rotating the head body about the rotation axis, the fourth surface located on the upper side between the first surface and the second surface is the second surface side from the second surface side. It descends toward the first side.
- the syringe has a first syringe and a second syringe, and the first syringe has the first syringe in the priming posture when viewed from a direction vertical and horizontal to the rotation axis.
- the axis of one syringe intersects with the rotation axis on the through-hole side of the first syringe, and in the posture capable of introducing the contrast agent, when viewed from a direction perpendicular to the rotation axis and horizontal,
- the said injector head main body is mounted
- the second syringe In the priming posture, the second syringe is rotated on the injector head body side of the second syringe when the shaft of the second syringe is viewed from a direction perpendicular to the rotation axis.
- the axis of the second syringe In the posture where the contrast medium can be introduced, the axis of the second syringe is positioned on the through-hole side of the second syringe when viewed from a direction perpendicular to the rotation axis.
- the injector head body is mounted so as to intersect the rotation axis.
- the tube assembly connected to the patient side, one end is detachably connected to the tube assembly, the other end is connected to the first syringe and the second syringe, and the tube assembly is connected to the tube assembly.
- a flow path switching device for switching communication with the first syringe or communication with the second syringe.
- the tube assembly is used once for one patient, and the injector head body, the first syringe, the second syringe, and the flow path switching device are used for a plurality of patients.
- the injector head with a rotation mechanism based on the present invention even when the injector head body is rotated between the “priming posture” and the “contrast-injectable posture”, It is possible to provide an injector head with a rotation mechanism having a structure that hardly causes interference between a connected tube and another device.
- FIG. 4 is a view taken along line IV in FIG. 3.
- FIG. 7 is a side view of the syringe mounted on the injector head with a rotation mechanism in the present embodiment as viewed from the direction of the arrow V in FIG. 6.
- FIG. 6 is a cross-sectional view taken along the line VI-VI in FIG. 5 of the syringe attached to the injector head with a rotation mechanism in the present embodiment.
- FIG. 1 shows the contrast agent introduction
- FIG. 2 which shows the contrast agent introduction
- FIG. 3 which shows the contrast agent introduction
- FIG. 3 which shows the contrast agent introduction
- FIG. 3 shows the contrast agent introduction
- FIG. 3 which shows the contrast agent introduction
- FIG. 19 which shows the contrast agent introduction
- FIG. 23 is a cross-sectional view taken along line XXIII in FIG. 22.
- FIG. 24 is a cross-sectional view taken along line XXIV in FIG. 22. It is a figure which shows the internal structure of the 2nd flow-path switching apparatus of the other form used for the injector head with a rotation mechanism in this Embodiment. It is a 1st figure which shows the operation state of the 2nd flow-path switching apparatus of the other form used for the injector head with a rotation mechanism in this Embodiment.
- FIG. 3 shows the operation state of the 2nd flow-path switching apparatus of the other form used for the injector head with a rotation mechanism in this Embodiment.
- FIG. 4 shows the operation state of the 2nd flow-path switching apparatus of the other form used for the injector head with a rotation mechanism in this Embodiment.
- FIG. 4 shows the attachment state to the injector head with a rotation mechanism in other embodiment.
- FIG. 4 shows the attachment state to the injector head with a rotation mechanism in other embodiment.
- the priming posture means a state in which a preparatory work (filling of a contrast agent into a syringe, etc.) is performed in preparation for the introduction of the contrast agent
- the posture capable of introducing the contrast agent is a posture in which the introduction of the contrast agent can be started from now on. And the posture during introduction of contrast medium introduction.
- FIG. 1 is a side view (priming posture) showing an injector head 1 with a rotation mechanism
- FIG. 2 is a view taken along line II in FIG. 1
- FIG. 3 is a side view (contrast medium) showing the injector head 1 with a rotation mechanism
- FIG. 4 is a view taken along the line IV in FIG. 5 is a side view of the syringe 510 as seen from the direction of the arrow V in FIG. 6, and
- FIG. 6 is a sectional view taken along the line VI-VI in FIG.
- the injector head 1 with a rotation mechanism is rotatable about a support column 900 as a support unit, a rotation unit 700 fixed to the support column 900 so that the rotation axis AL is substantially horizontal, and the rotation axis AL as a rotation center.
- the injector head body 100 is fixed to the rotating unit 700, and the first syringe 510A and the second syringe 510B are detachably attached to the injector head body 100.
- a roller bearing or the like is used for the rotating unit 700.
- the first flow path switching device 600 is connected to the through hole 512 provided at the tip of each of the first syringe 510A and the second syringe 510B. Details of the first flow path switching device 600 will be described later.
- an operation monitor 110 composed of a touch panel is provided (see FIG. 3).
- first syringe 510A and the second syringe 510B syringes having the shapes shown in FIGS. 5 and 6 are used.
- This syringe is provided on the rear end side with a cylindrical portion 514 provided with an opening in which the front end side is closed and the piston 511 is fitted in a liquid-tight manner on the rear end side, a through hole 512 provided on the front end side, and Provided flange 513.
- the piston 511 includes a piston rubber 511a and a piston core 511b covered with the piston rubber 511a.
- a plunger 100P built in the injector head main body 100 is connected to the piston core 511b.
- the cylindrical portion 514 is fixed to the injector head main body 100.
- the piston 511 also moves in the longitudinal direction on the cylindrical portion 514.
- the piston rubber 511a moves while maintaining liquid tightness with respect to the inner peripheral surface of the cylindrical portion 514.
- the through-hole 512 is provided in the syringe 510 in this Embodiment in the position eccentric with respect to the center axis line SL of the syringe 510.
- FIG. The central axis of the syringe 510 means a virtual line extending through the central axis of the syringe 510 to the front end side and the rear end side.
- the angle ( ⁇ ) between the central axis SL and the rotation axis AL when viewed from a direction perpendicular to the rotation axis AL (perpendicular to the paper surface) is about 5 to 30 degrees, preferably 7 to 25 degrees. It is about 10 degrees, more preferably about 10 degrees to 15 degrees.
- injector head main body 100 has a substantially rectangular parallelepiped shape, and first syringe 510 ⁇ / b> A and second syringe 510 ⁇ / b> B are attached to first surface 100 a of injector head main body 100.
- the rotating portion 700 is fixed to the upper (third surface 100c side) corner region of the second surface 100b facing the surface 100a.
- a state in which the contrast medium Z is filled in the first syringe 510A and the second syringe 510B is shown.
- the third surface 100c located on the upper side between the first surface 100a and the second surface 100b rises from the second surface 100b side toward the first surface 100a side.
- the fourth surface 100d located on the lower side between the first surface 100a and the second surface 100b also rises from the second surface 100b side toward the first surface 100a side.
- the first syringe 510A and the second syringe 510B are mounted on the injector head main body 100 so that the through holes 512 of the first syringe 510A and the second syringe 510B are located on the uppermost side. .
- the first surface 100a and the second surface 100b As shown in FIGS. 3 and 4, in the posture in which the contrast medium can be introduced by rotating the injector head main body 100 about the rotation axis AL (in the direction of the arrow RA1 in FIG. 2), the first surface 100a and the second surface 100b.
- the fourth surface 100d located on the upper side between the second surface 100b is lowered from the second surface 100b side toward the first surface 100a side, and the lower side between the first surface 100a and the second surface 100b.
- the fourth surface 100d located at the bottom also descends from the second surface 100b side toward the first surface 100a side.
- Injector head 1 with a rotation mechanism in the present embodiment rotates injector head main body 100 around rotation axis AL as a rotation center, so that each through-hole 512 side of first syringe 510A and second syringe 510B is injector head main body 100.
- the first syringe 510A and the second syringe 510B are given a priming posture (the state shown in FIGS.
- the first syringe 510A and the second syringe 510B are provided with a contrast agent introducing posture (the state shown in FIGS. 3 and 4). Selection is possible.
- the central axis SL of the first syringe 510 ⁇ / b> A is on the side of the through-hole 512 of the first syringe 510 ⁇ / b> A when viewed from a direction perpendicular to the rotation axis AL.
- Crosses AL. 3 and 4 the central axis SL of the first syringe 510A is the injector head main body 100 side of the first syringe 510A when viewed from a direction vertical and horizontal to the rotation axis AL.
- the injector head body 100 is mounted so as to intersect the rotational axis AL.
- the central axis SL of the second syringe 510B is rotated on the injector head main body 100 side of the second syringe 510B when viewed from a direction vertical and horizontal to the rotation axis AL.
- Crosses the axis AL. 3 and 4 the central axis SL of the second syringe 510B is on the side of the through-hole 512 of the second syringe 510B when viewed from a direction perpendicular to the rotation axis AL and in the horizontal direction.
- the injector head body 100 is mounted so as to intersect the rotation axis AL.
- connection tube 12 extending from the first flow path switching device 600 connected to the 510A and the second syringe 510B stops moving around the rotation axis AL.
- connection tube 12 connected to the injector head 1 With a rotation mechanism in the present embodiment and other devices. This eliminates the need to allow room for the tube length. In addition, it is possible for an engineer to reduce the attention that should be kept from contacting the tube with other equipment.
- the double syringe type injector head 1 with a rotation mechanism using two syringes has been described.
- the present invention is not limited to two, and the single syringe type injector head with a rotation mechanism using one of the syringes. Can also be used.
- a syringe in which the through hole 512 is eccentric from the central axis CL is adopted, but a syringe in which the through hole 512 is provided on the central axis CL can also be adopted.
- a first flow path switching device 600 is connected to the first syringe 510A and the second syringe 510B attached to the injector head body 100. Details of the first flow path switching device 600 will be described later.
- the contrast medium introduction line L1000 can be divided into a multi-use section S1 used for a plurality of patients, a single-use section S2 used only for one patient, and a single-use section S3.
- the multi-use section S1 will be described.
- a region surrounded by a dotted line in the figure is a multi-use section S1.
- the multi-use section S1 includes a first flow path switching device 600.
- a seventh tube 15 is connected to the first flow path switching device 600, and a contrast agent bag 16 is connected to the seventh tube 15.
- the first flow path switching device 600 is connected to the connection tube 12 that leads to the patient side.
- a connector 13 is connected to the distal end of the connecting tube 12.
- the single use section S2 has a main tube 17 to which a connector 14 is connected at one end and a connector 20 is connected to the other end.
- the connector 14 is connected to the connector 13 of the connecting tube 12.
- the main tube 17 has a branch tube 17a.
- a connector 25 is described at the tip of the branch tube 17a.
- the main tube 17 and the branch tube 17a are controlled by the second flow path switching device 800 to open / close the main tube 17 and open / close the branch tube 17a.
- the second flow path switching device 800 includes a fixed valve body 801, a fixed valve body 802, and a switching valve body 803, and the switching valve body 803 is controlled to move in the direction of arrow RA10 in the drawing.
- the opening and closing of the main tube 17 is controlled by the fixed valve body 801 and the switching valve body 803, and the opening and closing of the branch tube 17a is controlled by the fixed valve body 802 and the switching valve body 803.
- the connector 25 of the branch tube 17 a is connected to a connector 26 provided on the physiological saline tube 19.
- the other end of the physiological saline tube 19 is connected to a physiological saline bag 21.
- the physiological saline tube 19 is provided with a blood pressure transducer 300, a roller pump 400, and a third air sensor AS3.
- the single use section S3 has a tube 22 having a connector 24 connected to one end and a connector 23 connected to the other end.
- the connector 24 is connected to the connector 20 of the main tube 17.
- the connector 23 is connected to a catheter inserted into a patient's blood vessel.
- measurement is performed using physiological saline in a state where the main tube 17 is closed by the fixed valve body 801 and the switching valve body 803 and the branch tube 17a and the physiological saline bag 21 are communicated. .
- an electrical signal obtained from the blood pressure transducer 300 is used.
- the branch tube 17a is closed and the main tube 17 is opened by the fixed valve body 802 and the switching valve body 803.
- FIGS. 8 to 15 are views showing the first priming process to the ninth priming process in the injector head 1 with a rotating mechanism.
- the following priming operation is automatically performed by the control device built in the injector head main body 100.
- the first flow path switching device 600 should be indicated by a broken line because the main device is located on the opposite side of the device. However, for convenience of explanation, the first flow path switching device 600 is indicated by a solid line in FIGS. Shall be shown.
- each of first syringe 510 ⁇ / b> A and second syringe 510 ⁇ / b> B is positioned so that the through-hole 512 side faces upward. .
- the injector head main body 100 is equipped with a first syringe 510A filled with a contrast medium Z and a second syringe 510B filled with a contrast medium Z.
- a first piston 511A connected to the first plunger 100Pa is provided inside the first syringe 510A
- a second piston 511B connected to the second plunger 100Pb is provided inside the second syringe 510B.
- One end of the first tube 10A is connected to the first syringe 510A.
- the other end of the first tube 10A is connected to the first T-tube 11A.
- One end of each of the third tube 111A and the fifth tube 112A is connected to the first T-shaped tube 11A.
- One end of the second tube 10B is connected to the second syringe 510B.
- the other end of the second tube 10B is connected to the second T-shaped tube 11B.
- One end of each of the fourth tube 111B and the sixth tube 112B is connected to the second T-shaped tube 11B.
- the other ends of the third tube 111A and the fourth tube 111B are connected to the third T-shaped tube 11C.
- a seventh tube 15 whose other end is connected to the contrast agent bag 16 is connected to the third T-shaped tube 11C.
- each of the fifth tube 112A and the sixth tube 112B is connected to the fourth T-tube 11D.
- a connection tube 12 having the other end connected to the connector 13 is connected to the fourth T-shaped tube 11D.
- the connecting tube 12 is provided with a first air sensor AS1 that detects the mixing of air into the tube, and the seventh tube 15 is provided with a second air sensor AS2 that detects the mixing of air into the tube.
- a first flow path switching device 600 for switching between opening and closing of the third tube 111A and opening and closing of the fifth tube 112A is provided.
- the first flow path switching device 600 includes a first flow path switching mechanism 600A and a second flow path switching mechanism 600B.
- the first flow path switching mechanism 600A is provided to switch between the third tube 111A and the fifth tube 112A arranged in parallel, and the second flow path switching mechanism 600B includes the fourth tube 111B disposed in parallel. It is provided to switch between the sixth tube 112B.
- the first flow path switching mechanism 600A includes a first switching valve body 603 that is arranged between the third tube 111A and the fifth tube 112A and is provided so as to be movable in a direction that intersects the direction in which each tube extends. is doing. Further, the first flow path switching mechanism 600A has a first fixed valve body 601 and a second fixed valve body 602 at positions where the first switching valve body 603 faces each other with each tube interposed therebetween.
- the second switching valve body 600B is disposed between the fourth tube 111B and the sixth tube 112B, and is provided so as to be movable in a direction intersecting with the extending direction of each tube. 606. Further, the second flow path switching mechanism 600B has a third fixed valve body 604 and a fourth fixed valve body 605 at positions where the second switching valve body 606 is opposed to each other with each tube interposed therebetween.
- the priming operation refers to an operation of discharging air from the first syringe 510A, the second syringe 510B, and each tube.
- the second piston 511B in the innermost state is set to the most backward state.
- the first switching valve body 603 and the second switching valve body 606 of the first flow path switching mechanism 600A are positioned at the neutral position, and the third tube 111A, the fifth tube 112A, the fourth tube 111B, and the sixth tube 112B. Is in an open state. At this time, the first air sensor AS1 does not output any signal.
- the first switching valve body 603 of the first flow path switching mechanism 600A is moved to the first fixed valve body 601 side, and the third tube 111A is closed. Further, the second switching valve body 606 of the second flow path switching mechanism 600B is moved to the third fixed valve body 604 side, and the fourth tube 111B is closed.
- the first piston 511A in the first syringe 510A and the second piston 511B in the second syringe 510B are moved forward most (in the direction of arrow F in FIG. 9). The air in the first syringe 510A and the air in the second syringe 510B are released to the outside.
- the second switching valve body 606 of the second flow path switching mechanism 600B is moved to the fourth fixed valve body 605 side, the fourth tube 111B is opened, and the sixth tube 112B is moved. Close. Thereafter, the second piston 511B in the second syringe 510B is moved backward (in the direction of arrow B in FIG. 10), and the contrast agent Z is introduced from the contrast agent bag 16 into the second syringe 510B.
- the first switching valve body 603 is moved to the first fixed valve body 601 side, and the third tube 111A is closed. Thereafter, the second piston 511B in the second syringe 510B is advanced (in the direction of arrow F in FIG. 12) until the first air sensor AS1 detects the passage of the contrast agent.
- the first switching valve body 603 of the first flow path switching mechanism 600A is moved to the second fixed valve body 602 side, the third tube 111A is opened, and the fifth tube 112A is moved. Close. Thereafter, the first piston 511A in the first syringe 510A is moved backward (in the direction of arrow B in FIG. 13) to introduce the contrast agent Z from the contrast agent bag 16 into the first syringe 510A.
- the second switching valve body 606 is moved to the fourth fixed valve body 605 side, and the sixth tube 112B is closed.
- the first piston 511A in the first syringe 510A is advanced (in the direction of arrow F in FIG. 15) until the first air sensor AS1 detects the passage of the contrast agent, and the second air sensor AS2 passes the contrast agent.
- the second piston 511B in the second syringe 510B is moved backward (in the direction of arrow B in FIG. 15) until no more is detected.
- the priming operation of the first syringe 510A and the second syringe 510B using the first flow path switching device 600 is completed, and the first syringe 510A, the second syringe 510B, the first tube 10A, the second tube 10B, Air is extracted from the third tube 111A, the fourth tube 111B, the fifth tube 112A, and the sixth tube 112B.
- the first air sensor AS1 and the second air sensor AS2 are used to detect the presence or absence of the contrast medium Z in the tube.
- the syringe capacity, the tube length of each tube, the tube capacity, etc. If it is known in advance, the above-described priming process can be performed without using the first air sensor AS1 and the second air sensor AS2.
- the injector head 1 with a rotation mechanism is rotated around the rotation axis AL as the rotation axis AL, as shown in FIGS.
- the through-hole 512A side is located below the injector head main body 100 (first plunger (100 Pa)) side, and the second through-hole 512B side of the second syringe 510B is the injector head main body 100 (second plunger (100Pb)) side.
- the posture in which the contrast medium can be introduced is set at a lower position.
- the first switching valve body 603 of the first flow path switching mechanism 600A is moved to the first fixed valve body 601 side, and the third tube 111A is closed. Further, the second switching valve body 606 of the second flow path switching mechanism 600B is moved to the fourth fixed valve body 605 side, and the sixth tube 112B is closed.
- the first syringe 510A and the connecting tube 12 are in communication with each other.
- the first plunger 100Pa moves forward (in the direction of arrow F in FIG. 16), and the internal contrast agent is sent out to the patient side via the contrast agent introduction line L1000.
- first flow switching mechanism 600A and second flow switching mechanism 600B of first flow switching device 600 are used. Switching takes place. Specifically, the first switching valve body 603 of the first flow path switching mechanism 600A is moved to the second fixed valve body 602 side, and the fifth tube 112A is closed. Further, the second switching valve body 606 of the second flow path switching mechanism 600B is moved to the third fixed valve body 604 side, and the fourth tube 111B is closed.
- the first syringe 510A and the contrast medium bag 16 are in communication with each other, and the second syringe 510B and the connection tube 12 are in communication with each other.
- the backward movement (in the direction of arrow B in FIG. 17) of the first plunger 100Pa of the first syringe 510A and the forward movement (in the direction of arrow F in FIG. 17) of the second plunger 100Pb of the second syringe 510B are performed simultaneously.
- the step of sucking the contrast agent Z into the first syringe 510A and the step of introducing the contrast agent Z from the second syringe 510B can be performed simultaneously.
- it is not necessary to perform the contrast agent suction process to the first syringe 510A it is not necessary to reverse the first plunger 100Pa.
- the step of introducing the contrast agent from the first syringe 510A by simultaneously performing the forward movement of the first plunger 100Pa of the first syringe 510A and the backward movement of the second plunger 100Pb of the second syringe 510B; It is possible to simultaneously perform the contrast agent suction step into the second syringe 510B.
- the first switching valve body 603 of the first flow path switching mechanism 600A is moved to the first fixed valve body 601 side, and the third tube 111A is closed.
- the second switching valve body 606 of the second flow path switching mechanism 600B is moved to the third fixed valve body 604 side, and the fourth tube 111B is closed.
- the first syringe 510A and the second syringe 510B and the connecting tube 12 communicate with each other, and the mixed introduction of the contrast medium Z and physiological saline into the patient side becomes possible.
- the fifth tube 112A and the fourth tube 111B are closed,
- the contrast medium can be sucked into the first syringe 510A and the physiological saline can be sucked into the second syringe 510B at the same time.
- FIG. 19 is a plan view showing a state in which the contrast medium is introduced into the patient 2000 using the injector head 1 with the rotation mechanism
- FIG. 20 is a view from the engineer side in FIG. 19 in the priming posture of the injector head 1 with the rotation mechanism
- FIG. 21 is a view as seen from the doctor side in FIG. 19 in the contrast medium introducing posture of the injector head 1 with a rotation mechanism.
- the above-described priming operation is performed by engineer 3000. Therefore, when the injector head 1 with the rotation mechanism in the present embodiment is installed on the left side of the patient 2000 of the bed 1000, the engineer 3000 is also positioned on the left side of the patient 2000 as with the injector head 1 with the rotation mechanism. Become.
- a posture sensor (not shown) for detecting the posture is provided, and operation information corresponding to the priming operation is displayed on the operation monitor 110 constituted by a touch panel.
- the contrast agent introducing operation by rotating injector head 1 with a rotation mechanism is performed by doctor 4000.
- the doctor 4000 is located on the opposite side to the engineer 3000 with the bed 1000 in between.
- the posture of the operation monitor 110 facing the doctor 4000 is detected by a posture sensor provided therein, and operation information corresponding to the contrast agent introduction operation is displayed on the operation monitor 110.
- the injector head 1 with the rotation mechanism according to the present embodiment is used, even when the engineer 3000 and the doctor 4000 are positioned with the bed 1000 interposed therebetween, the inspection can be performed smoothly. It becomes possible.
- FIG. 22 is a diagram showing the second flow path switching device 800A
- FIG. 23 is a sectional view taken along the line XXIII in FIG. 22
- FIG. 24 is a sectional view taken along the line XXIV in FIG. 22
- FIG. FIG. 26 to FIG. 29 are diagrams illustrating an internal structure of the two-channel switching device 800A
- FIGS. 26 to 29 are first to fourth diagrams illustrating an operation state of the second channel switching device 800A.
- the second flow path switching device 800A has a cover 851.
- Each of the four side surfaces (the left side surface, the right side surface, and the lower side surface in the figure) of the cover 851 is provided with a tube locking recess 851a.
- the main tube 17 and the branch tube 17a are fixed to the tube locking recess 851a.
- second flow path switching device 800A has a main body 810.
- a cover 851 to which the main tube 17 and the branch tube 17a are fixed is detachably attached to the main body 810. Note that the cover 851 is not shown in FIG.
- Locking edges 861 and 862 are provided at the upper and lower positions of the main body 810, and the cover 851 is detachably held so as to sandwich the cover 851 from above and below.
- a rotation cam 870 that rotates around the rotation shaft 870a is provided at the center of the main body 810.
- a cam surface for controlling the movement of movable valve bodies 821 and 822, which will be described later, is formed.
- the rotation control of the rotary cam 870 is performed by a driving device (servo motor or the like) provided inside the main body 810.
- a fixed valve body 811 is fixed to the main body 810 on the upper side of the rotating cam 870.
- the fixed valve body 811 is provided with a fixed protrusion 811 a that protrudes toward the rotating cam 870.
- a movable valve body 821 is provided on the main body 810 between the rotating cam 870 and the fixed valve body 811.
- a movable protrusion 821b is provided at a position facing the fixed protrusion 811a of the movable valve body 821.
- a rotary shaft 821a is provided on one end side of the movable valve body 821, and the movable valve body 821 is fixed to the main body 810 so as to be rotatable about the rotary shaft 821a.
- a contact roller 831 that can rotate about the rotation shaft 831a and contacts the rotation cam 870 is attached.
- a fixed valve body 812 is fixed to the main body 810 on the left side of the rotating cam 870.
- the fixed valve body 812 is provided with a fixed protrusion 812a protruding toward the rotating cam 870 side.
- a movable valve body 822 is provided in the main body 810 between the rotating cam 870 and the fixed valve body 812.
- a movable protrusion 822b is provided at a position facing the fixed protrusion 812a of the movable valve body 822.
- a rotary shaft 822a is provided on the lower end side of the movable valve body 822, and the movable valve body 822 is fixed to the main body 810 so as to be rotatable about the rotary shaft 822a.
- an abutting roller 841 that is rotatable around a rotating shaft 841a and that abuts on the rotating cam 870 is attached.
- the main tube 17 and the branch tube 17a are attached to the main body 810 while being fixed to the cover 851, but the cover 851 is not shown for convenience of explanation.
- the rotating cam 870 is fixed at the initial state position. In this state, a gap larger than the outer diameter of the main tube 17 is formed between the fixed protrusion 811a and the movable protrusion 821b. Similarly, a gap larger than the outer diameter of the branch tube 17a is formed between the fixed protrusion 812a and the movable protrusion 822b.
- rotating cam 870 is rotated 90 ° counterclockwise.
- the contact roller 831 is pushed upward by the cam surface of the rotating cam 870.
- the main tube 17 is sandwiched between the fixed protrusion 811a and the movable protrusion 821b, and the conduit of the main tube 17 is closed.
- the branch tube 17a is in an open state.
- the tube 22 and the blood pressure transducer 300 are in communication with each other in FIG. 7, and the blood pressure of the patient can be measured (blood pressure measurement state).
- rotating cam 870 is further rotated 90 ° counterclockwise.
- the contact roller 841 is pushed leftward by the cam surface of the rotating cam 870 while the state where the contact roller 831 is pushed upward by the cam surface of the rotating cam 870 is maintained.
- the main tube 17 is sandwiched between the fixed projection 811a and the movable projection 821b, and the conduit of the main tube 17 is closed.
- the branch tube 17a is sandwiched between the fixed projection 812a and the movable projection 822b.
- the pipe 17a is closed (closed state).
- rotating cam 870 is further rotated 90 ° counterclockwise.
- the upward push of the contact roller 831 by the cam surface of the rotating cam 870 is released, and the main tube 17 is opened.
- the state where the contact roller 841 is pushed leftward by the cam surface of the rotating cam 870 is maintained, and the conduit of the main tube 17 is opened.
- the tube 22 and the injector head 1 with a rotation mechanism in FIG. 7 communicate with each other, and the contrast medium can be introduced into the patient (contrast medium introduction state).
- the injector head 1 with a rotation mechanism in the above-described embodiment has the first syringe 510 ⁇ / b> A and the first syringe 510 ⁇ / b> A with respect to the injector head main body 100 in the priming posture and the contrast agent introducing posture.
- the two syringes 510B are mounted so as to be aligned in the vertical direction (vertical direction).
- the mounting state is not limited to this mounting state.
- the mounting state when viewed in a contrast medium introducing posture corresponding to FIG. 4, the mounting state is arranged in an oblique direction with the rotation axis AL interposed therebetween as shown in FIG. 30.
- FIG. 31 it is possible to adopt a mounting state in which they are arranged side by side in the horizontal direction and other mounting states.
- 1 Injector head with rotating mechanism 10A first tube, 10B second tube, 11A first T-shaped tube, 11B second T-shaped tube, 11C third T-shaped tube, 11D fourth T-shaped tube, 12 connecting tube, 13, 14, 20 , 23, 24, 25, 26 connector, 15 7th tube, 15A 8th tube, 15B 9th tube, 16 contrast agent bag, 17 main tube, 17a branch tube, 19 physiological saline tube, 21 physiological saline bag, 22 tube, 100 injector head body, 100a first surface, 100b second surface, 100c third surface, 100d fourth surface, 100P plunger, 100Pa first plunger, 100Pb second plunger, 110 operation monitor, 111A third tube 111B 4th Tube, 112A fifth tube, 112B sixth tube, 300 blood pressure transducer, 400 roller pump, 510A first syringe, 510B second syringe, 511 piston, 511A first piston, 511B second piston, 511a piston rubber, 511b piston Core, 512 through-hole, 5
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Abstract
Description
図1から図6を参照して、本実施の形態における回転機構付インジェクタヘッド1について説明する。図1は、回転機構付インジェクタヘッド1を示す側面図(プライミング姿勢)、図2は、図1中のII線矢視図、図3は、回転機構付インジェクタヘッド1を示す側面図(造影剤導入可能姿勢)、図4は、図3中のIV線矢視図である。また、図5は、シリンジ510の、図6中V線矢視から見た側面図、図6は、図5中VI-VI線矢視断面図である。
次に、図7を参照して、上記構成を備える回転機構付インジェクタヘッド1を用いた、患者への造影剤導入ラインL1000について説明する。インジェクタヘッド本体100に装着され第1シリンジ510Aおよび第2シリンジ510Bには、第1流路切替装置600が連結されている。この第1流路切替装置600の詳細については後述する。
次に、図8から図15を参照して、第1流路切替装置600およびプライミング動作について説明する。なお、図8から図15は、回転機構付インジェクタヘッド1における第1プライミング工程から第9プライミング工程を示す図である。本実施の形態では、インジェクタヘッド本体100に内蔵された制御装置により以下に示すプライミング動作が自動的に実施される。
第3チューブ111Aの開閉と第5チューブ112Aの開閉とを切り換えるための第1流路切替装置600が設けられている。この第1流路切替装置600は、第1流路切替機構600Aと第2流路切替機構600Bとを有している。
次に、図8から図15参照をして、上記構成からなる第1流路切替装置600を用いた、プライミング動作について説明する。本実施の形態における回転機構付インジェクタヘッド1を、図1および2に示したように、インジェクタヘッド本体100を回転軸ALを回転中心として回転させることにより、第1シリンジ510Aの第1貫通孔512A側がインジェクタヘッド本体100(第1プランジャ(100Pa))側よりも上側の位置、および、第2シリンジ510Bの第2貫通孔512B側がインジェクタヘッド本体100(第2プランジャ(100Pb))側よりも上側の位置となるプライミング姿勢に設定する。プライミング動作とは、第1シリンジ510A、第2シリンジ510B、および各チューブ内から空気を排出する動作をいう。
次に、図9に示すように、第1流路切替機構600Aの第1切替弁体603を第1固定弁体601側に移動させて、第3チューブ111Aを閉鎖する。また、第2流路切替機構600Bの第2切替弁体606を第3固定弁体604側に移動させて、第4チューブ111Bを閉鎖する。次に、第7チューブ15に造影剤バッグ16を連結した後、第1シリンジ510A内の第1ピストン511A、および第2シリンジ510B内の第2ピストン511Bを最も前進(図9中矢印F方向)させて、第1シリンジ510A内の空気および第2シリンジ510B内の空気を外部に放出する。
次に、図10に示すように、第2流路切替機構600Bの第2切替弁体606を第4固定弁体605側に移動させて、第4チューブ111Bを開放し、第6チューブ112Bを閉鎖する。その後、第2シリンジ510B内の第2ピストン511Bを後進(図10中矢印B方向)させて、第2シリンジ510B内に造影剤バッグ16から造影剤Zを導入する。
次に、図11を参照して、第2シリンジ510B内に所定量の造影剤Zが導入された後、第2切替弁体606を第3固定弁体604側に移動させて、第4チューブ111Bを閉鎖するとともに、第1切替弁体603を第2固定弁体602側に移動させて、第5チューブ112Aを閉鎖する。その後、第2シリンジ510B内の第2ピストン511Bを後進(図10中矢印B方向)させて、第2シリンジ510B内に所定量の空気を導入する。
次に、図12を参照して、第1切替弁体603を第1固定弁体601側に移動させて、第3チューブ111Aを閉鎖する。その後、第1エアセンサAS1により造影剤の通過を検知するまで、第2シリンジ510B内の第2ピストン511Bを前進(図12中矢印F方向)させる。
次に、図13を参照して、第1流路切替機構600Aの第1切替弁体603を第2固定弁体602側に移動させて、第3チューブ111Aを開放し、第5チューブ112Aを閉鎖する。その後、第1シリンジ510A内の第1ピストン511Aを後進(図13中矢印B方向)させて、第1シリンジ510A内に造影剤バッグ16から造影剤Zを導入する。
次に、図14を参照して、第1シリンジ510A内に所定量の造影剤Zが導入された後、第1切替弁体603を第1固定弁体601側に移動させて、第3チューブ111Aを閉鎖する。その後、第2シリンジ510A内の第1ピストン511Aを後進(図14中矢印B方向)させて、第1シリンジ510A内に所定量の空気を導入する。
次に、図15を参照して、第2切替弁体606を第4固定弁体605側に移動させて、第6チューブ112Bを閉鎖する。この状態で、第1エアセンサAS1により造影剤の通過を検知するまで、第1シリンジ510A内の第1ピストン511Aを前進(図15中矢印F方向)させるとともに、第2エアセンサAS2により造影剤の通過を検知しなくなるまで、第2シリンジ510B内の第2ピストン511Bを後進(図15中矢印B方向)させる。
次に、図16から図18をして、上記構成からなる第1流路切替装置600を用いた、造影剤導入動作について説明する。上述したプライミング動作の完了後、回転機構付インジェクタヘッド1を、図3および4に示したように、インジェクタヘッド本体100を回転軸ALを回転中心として回転させることにより、第1シリンジ510Aの第1貫通孔512A側がインジェクタヘッド本体100(第1プランジャ(100Pa))側よりも下側の位置、および、第2シリンジ510Bの第2貫通孔512B側がインジェクタヘッド本体100(第2プランジャ(100Pb))側よりも下側の位置となる造影剤導入可能姿勢に設定する。
また、図14に示すように、第3T字管11Cを用いずに、第3チューブ111Aを造影剤バッグ16に連結された第8チューブ15Aに直接連結し、第4チューブ111Bを生理食塩水バッグ21に連結された第9チューブ15Bに直接連結することで、混合導入を可能とする。
次に、図19から図21を参照して、本実施の形態における回転機構付インジェクタヘッド1を用いた場合の検査における技師位置および医師位置について説明する。なお、図19は、回転機構付インジェクタヘッド1を用いた患者2000への造影剤導入状態を示す平面図、図20は、回転機構付インジェクタヘッド1のプライミング姿勢における図19中の技師側から見た図、図21は、回転機構付インジェクタヘッド1の造影剤導入可能姿勢における図19中の医師側から見た図である。
次に、図22から図29を参照して、図7で示した第2流路切替装置800の他の形態の第2流路切替装置800Aについて説明する。図22は、第2流路切替装置800Aを示す図、図23は、図22中のXXIII線矢視断面図、図24は、図22中のXXIV線矢視断面図、図25は、第2流路切替装置800Aの内部構造を示す図、図26から図29は、第2流路切替装置800Aの動作状態を示す第1から第4の図である。
Claims (5)
- 支持部(900)と、
回転軸(AL)が略水平となるように前記支持部(900)に固定される回転部(700)と、
前記回転軸(AL)を回転中心として回転可能に前記回転部(700)に固定されるインジェクタヘッド本体(100)と、
前記インジェクタヘッド本体(100)に対して着脱可能に装着されるシリンジ(510A,510B)と、を備え、
前記シリンジ(510A,510B)は、先端側に貫通孔(512)を含み、
前記シリンジ(510A,510B)が前記インジェクタヘッド本体(100)に装着された状態において、前記回転軸(AL)に垂直かつ水平な方向から見た場合に、前記シリンジ(510A,510B)の中心軸線(SL)が、前記回転軸(AL)に対して傾斜しており、
前記インジェクタヘッド本体(100)を前記回転軸(AL)を回転中心として回転させることにより、
前記シリンジ(510A,510B)の前記貫通孔(512)側が前記インジェクタヘッド本体(100)側よりも上側の位置となることで、前記シリンジ(510A,510B)にプライミング姿勢を与える状態と、前記シリンジ(510A,510B)の前記貫通孔(512)側が前記インジェクタヘッド本体(100)側よりも下側の位置となることで、前記シリンジ(510A,510B)に造影剤導入可能姿勢を与える状態との選択が可能である、回転機構付インジェクタヘッド。 - 前記貫通孔(512)は、前記シリンジ(510A,510B)の前記中心軸線(SL)に対して偏芯した位置に設けられ、
前記シリンジ(510A,510B)が前記プライミング姿勢の状態においては、前記貫通孔(512)は最も上側に位置し、前記シリンジ(510A,510B)が前記造影剤導入可能姿勢の状態においては、前記貫通孔(512)は最も下側に位置するように、前記シリンジ(510A,510B)が前記インジェクタヘッド本体(100)に装着されている、請求項1に記載の回転機構付インジェクタヘッド。 - 前記インジェクタヘッド本体(100)は略直方体形状を有し、
前記インジェクタヘッド本体(100)の第1面(100a)に前記シリンジ(510A,510B)が装着され、
前記第1面(100a)に対向する第2面(100b)の上側角部領域に前記回転部(700)が固定され、
前記プライミング姿勢では、前記第1面(100a)と前記第2面(100b)との間の上側に位置する第3面(100c)は、前記第2面(100b)側から第1面(100a)側に向けて上昇し、
前記インジェクタヘッド本体(100)を前記回転軸(AL)を回転中心として回転させた前記造影剤導入可能姿勢では、前記第1面(100a)と前記第2面(100b)との間の上側に位置する第4面(100d)は、前記第2面(100b)側から第1面(100a)側に向けて下降する、請求項1または2に記載の回転機構付インジェクタヘッド。 - 前記シリンジは、第1シリンジ(510A)と第2シリンジ(510B)とを有し、
前記第1シリンジ(510A)は、
前記プライミング姿勢においては、前記回転軸(AL)に垂直かつ水平な方向から見た場合に、前記第1シリンジ(510A)の前記中心軸線(SL)は、前記第1シリンジ(510A)の前記貫通孔(512)側において、前記回転軸(AL)と交差し、前記造影剤導入可能姿勢においては、前記回転軸(AL)に垂直かつ水平な方向から見た場合に、前記第1シリンジ(510A)の前記中心軸線(SL)は、前記第1シリンジ(510A)の前記インジェクタヘッド本体(100)側において、前記回転軸(AL)と交差するように、前記インジェクタヘッド本体(100)の装着され、
前記第2シリンジ(510B)は、
前記プライミング姿勢においては、前記回転軸(AL)に垂直かつ水平な方向から見た場合に、前記第2シリンジ(510B)の前記中心軸線(SL)が、前記第2シリンジ(510B)の前記インジェクタヘッド本体(100)側において、前記回転軸(AL)と交差し、前記造影剤導入可能姿勢においては、前記回転軸(AL)に垂直かつ水平な方向から見た場合に、前記第2シリンジ(510B)の前記中心軸線(SL)が、前記第2シリンジ(510B)の前記貫通孔(512)側において、前記回転軸(AL)と交差するように、前記インジェクタヘッド本体(100)に装着される、請求項1から3のいずれかに記載の回転機構付インジェクタヘッド。 - 患者(2000)側に連結されるチューブアッセンブリと、
一端が前記チューブアッセンブリに着脱可能に接続され、他端が前記第1シリンジ(510A)および前記第2シリンジ(510B)に接続されるとともに、前記チューブアッセンブリの前記第1シリンジ(510A)への連通または前記第2シリンジ(510B)への連通を切換える流路切替装置(600)と、をさらに備え、
前記チューブアッセンブリは、1人の患者(2000)に対して1回使用され、
前記インジェクタヘッド本体(100)、前記第1シリンジ(510A)、前記第2シリンジ(510B)および前記流路切替装置(600)は、複数の患者(2000)に使用される、請求項4に記載の回転機構付インジェクタヘッド。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11873723.8A EP2754460B1 (en) | 2011-10-05 | 2011-10-05 | Injector head with rotating mechanism |
JP2013537318A JP5774115B2 (ja) | 2011-10-05 | 2011-10-05 | 回転機構付インジェクタヘッド |
CN201180074014.2A CN103857426B (zh) | 2011-10-05 | 2011-10-05 | 带旋转机构的注入头 |
US14/350,014 US9789244B2 (en) | 2011-10-05 | 2011-10-05 | Injector head with rotation mechanism |
PCT/JP2011/072977 WO2013051115A1 (ja) | 2011-10-05 | 2011-10-05 | 回転機構付インジェクタヘッド |
Applications Claiming Priority (1)
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PCT/JP2011/072977 WO2013051115A1 (ja) | 2011-10-05 | 2011-10-05 | 回転機構付インジェクタヘッド |
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WO2013051115A1 true WO2013051115A1 (ja) | 2013-04-11 |
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PCT/JP2011/072977 WO2013051115A1 (ja) | 2011-10-05 | 2011-10-05 | 回転機構付インジェクタヘッド |
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Country | Link |
---|---|
US (1) | US9789244B2 (ja) |
EP (1) | EP2754460B1 (ja) |
JP (1) | JP5774115B2 (ja) |
CN (1) | CN103857426B (ja) |
WO (1) | WO2013051115A1 (ja) |
Cited By (1)
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---|---|---|---|---|
WO2015124247A1 (de) * | 2014-02-19 | 2015-08-27 | H & B Electronic Gmbh & Co. Kg | Dauerinfusionsvorrichtung |
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US9925331B2 (en) * | 2013-03-11 | 2018-03-27 | Boston Scientific Limited | Double action infusion system |
EP3220972B1 (en) * | 2014-11-21 | 2020-04-29 | Merit Medical Systems, Inc. | Devices and methods for drainage, infusion, or instillation of fluids |
US20170120039A1 (en) * | 2015-11-04 | 2017-05-04 | Depuy Mitek, Llc | Anti-Clogging Fluid Management System |
CN108472431B (zh) * | 2015-12-29 | 2021-11-23 | 博莱科瑞士股份有限公司 | 制造均匀分布在含水液体载体中的微粒的悬浮液的方法和装置 |
US20180361123A1 (en) * | 2016-03-11 | 2018-12-20 | Allen D. Seftel | Catheter guide tube device |
CA3026818A1 (en) * | 2016-06-06 | 2017-12-14 | Tal PIKAN | Multiple use computerized injector |
WO2018170064A1 (en) | 2017-03-15 | 2018-09-20 | Merit Medical Systems, Inc. | Transluminal stents and related methods |
US11992464B2 (en) | 2021-08-18 | 2024-05-28 | Alcor Scientific Llc | Enteral feeding pump systems, valve assemblies therefor and fluid flow control methods for same |
US11896798B2 (en) * | 2021-08-18 | 2024-02-13 | Alcor Scientific, Inc. | Enteral feeding pump systems, valve assemblies therefor and fluid flow control methods for same |
US20240226412A9 (en) * | 2022-10-19 | 2024-07-11 | Cro, Llc | Portable suction system |
USD1032520S1 (en) | 2023-05-30 | 2024-06-25 | Alcor Scientific Llc | Twin port adapter |
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- 2011-10-05 JP JP2013537318A patent/JP5774115B2/ja not_active Expired - Fee Related
- 2011-10-05 CN CN201180074014.2A patent/CN103857426B/zh not_active Expired - Fee Related
- 2011-10-05 EP EP11873723.8A patent/EP2754460B1/en not_active Not-in-force
- 2011-10-05 WO PCT/JP2011/072977 patent/WO2013051115A1/ja active Application Filing
- 2011-10-05 US US14/350,014 patent/US9789244B2/en not_active Expired - Fee Related
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WO2015124247A1 (de) * | 2014-02-19 | 2015-08-27 | H & B Electronic Gmbh & Co. Kg | Dauerinfusionsvorrichtung |
US10441712B2 (en) | 2014-02-19 | 2019-10-15 | H & B Electronic Gmbh & Co. Kg | Continuous infusion device |
Also Published As
Publication number | Publication date |
---|---|
JP5774115B2 (ja) | 2015-09-02 |
JPWO2013051115A1 (ja) | 2015-03-30 |
EP2754460A1 (en) | 2014-07-16 |
CN103857426B (zh) | 2016-04-20 |
EP2754460A4 (en) | 2015-07-08 |
US20140249412A1 (en) | 2014-09-04 |
EP2754460B1 (en) | 2016-08-31 |
US9789244B2 (en) | 2017-10-17 |
CN103857426A (zh) | 2014-06-11 |
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