WO2015146273A1 - 手技シミュレータ - Google Patents
手技シミュレータ Download PDFInfo
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- WO2015146273A1 WO2015146273A1 PCT/JP2015/052428 JP2015052428W WO2015146273A1 WO 2015146273 A1 WO2015146273 A1 WO 2015146273A1 JP 2015052428 W JP2015052428 W JP 2015052428W WO 2015146273 A1 WO2015146273 A1 WO 2015146273A1
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- simulated human
- blood vessel
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- human blood
- upper limb
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/30—Anatomical models
- G09B23/303—Anatomical models specially adapted to simulate circulation of bodily fluids
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/30—Anatomical models
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/30—Anatomical models
- G09B23/32—Anatomical models with moving parts
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/30—Anatomical models
- G09B23/34—Anatomical models with removable parts
Definitions
- the present invention relates to a technique simulator for training the introduction of a medical device into the radial artery of a human body.
- trans-radial coronary intervention has been performed in which a catheter is introduced from the radial artery on the wrist of the human body to guide the lesion to the coronary artery, and the lesion is examined and treated.
- Such transradial coronary intervention is less invasive than the case of introducing a catheter from the femoral artery, and therefore can reduce the burden on the patient and the risk of complications.
- Japanese Unexamined Patent Application Publication No. 2006-317570 discloses a model for practice of injection into the radial artery.
- This injection practice model is configured by arranging a simulated blood vessel through which simulated blood flows in the wrist of a prosthetic hand and covering the simulated blood vessel with a simulated human tissue cover.
- the puncture needle when piercing the radial artery with the puncture needle, for example, the position of the radial pedicle process near the skin of the wrist is searched by touching the wrist of the patient (subject), and the radial artery is used as a guide for the radial pedicle process.
- a puncture needle may be punctured.
- the present invention has been made in consideration of such problems, and can provide a simulated experience that approximates an actual procedure by a human body, and efficiently learns a procedure for puncturing a radial artery with a puncture needle.
- the purpose is to provide a technique simulator that can be used.
- a technique simulator is a technique simulator for training the introduction of a medical device into the radial artery of the human body, and an upper limb model formed by imitating the appearance of at least a part of the upper limb of the human body, Simulated human body subcutaneously disposed in a housing groove formed on the wrist of the upper limb model, simulated human calcaneus pedicle projection disposed in a bone placement hole formed in the simulated human body subcutaneously, and the simulated human body subcutaneously And a simulated human body skin covering the simulated human calcaneus styloid process.
- the simulated human calcaneus pedicle process is disposed near the simulated human skin located on the wrist of the upper limb model. Therefore, the user can search the position of the simulated human calcaneus styloid process by touching the simulated human skin on the wrist of the upper limb model, and puncture the puncture needle into the simulated human blood vessel using the simulated human calcaneal styloid process as a guide. . Therefore, it is possible to have a simulated experience that approximates an actual procedure by the human body, and to efficiently acquire a procedure for puncturing the radial artery with the puncture needle.
- a blood vessel disposition groove in which the simulated human blood vessel is disposed may be formed in the simulated human calcaneus styloid process.
- the simulated human calcaneus styloid process and the simulated human body blood vessel can be held in a predetermined positional relationship.
- the simulated human calcaneus styloid process is disposed in the bone arrangement hole such that a part of the simulated human calcaneus styloid process protrudes toward the simulated human skin rather than the simulated human subcutaneous body. May be.
- the user can surely grasp the position of the simulated human calcaneus styloid process by touching the simulated human skin provided on the wrist of the upper limb model.
- the simulated human subcutaneous body may be made of a softer material than the upper limb model.
- a so-called transmural puncture technique in which the tip of the puncture needle is left in the simulated human blood vessel after penetrating the puncture needle through the rear wall of the simulated human blood vessel to the simulated human subcutaneous body is suitably used. It becomes possible to learn. It is also possible to learn a so-called front wall puncture technique in which the tip of the puncture needle is placed in the simulated human blood vessel without piercing the puncture needle into the rear wall of the simulated human blood vessel.
- the simulated human body blood vessel may be positioned on the groove bottom surface side of the accommodation groove as it goes from the wrist of the upper limb model to the forearm side.
- At least a part of a surface on which the simulated human blood vessel is disposed under the simulated human body is inclined toward the groove bottom surface side of the accommodation groove along a direction from the wrist to the forearm of the upper limb model. It may be.
- the simulated human blood vessel can be positioned on the groove bottom side as it goes from the wrist of the upper limb model to the forearm side with a simple configuration.
- a drainage hole through which simulated human blood in the simulated human blood vessel passes is formed on the bottom surface of the housing groove, and the simulated human blood guided through the drainage hole is A receiving tray may be further provided.
- the puncture needle when puncture needle is punctured into the simulated human blood vessel, the simulated human blood leaking from the simulated human blood vessel can be received by the tray, so that the procedure simulator can be easily returned to a clean state. Can be made.
- the tray may be provided so as to be detachable from the upper limb model.
- the saucer in which simulated human blood has accumulated can be removed from the upper limb model, so that the saucer can be easily returned to a clean state and the simulated human blood can be easily discarded or recycled. Can be used.
- an inner hole at one end of the simulated human body blood vessel may be blocked, and a pressure applying unit that applies pressure to the simulated human blood in the simulated human body blood vessel may be further provided.
- the simulated human blood vessel can be pulsated under the action of the pressure applying means, so that a simulated experience that is more similar to an actual procedure by the human body can be achieved.
- the configuration can be simplified and the simulated human blood vessel can be pulsated as compared with the case where the simulated human blood vessel is a circulation circuit. Can be made easier.
- the human calcaneus styloid prosthesis substitute is arranged near the human skin substitute located on the wrist of the upper limb model, so that it is possible to have a simulated experience that approximates the actual procedure by the human body, The technique of puncturing the radial artery with the puncture needle can be efficiently learned.
- FIG. 2 is a partially omitted exploded perspective view of the procedure simulator shown in FIG. 1.
- FIG. 2 is a partially omitted plan view of the procedure simulator shown in FIG. 1.
- 4A is a partially omitted cross-sectional view showing a state where an indwelling needle is punctured into a simulated human blood vessel
- FIG. 4B is a partially omitted cross-sectional view showing a state where a guide wire is inserted into the simulated human blood vessel.
- FIG. 5A is a partially omitted cross-sectional view showing a state where a dilator and a sheath are punctured into a simulated human blood vessel
- 5B is a partially omitted cross-sectional view showing a state where a guide wire and a dilator are removed from the simulated human blood vessel. It is a cross-sectional schematic diagram for demonstrating the simulated human body blood vessel which concerns on a modification.
- the procedure simulator 10 is mainly used for training the introduction of a medical device into the radial artery of a human body, and is used as a training for a procedure of transradial coronary intervention, for example.
- the procedure simulator 10 includes a support base 12, an upper limb model 14 placed on the support base 12, and a simulated human body disposed in an accommodation groove 16 formed in the upper limb model 14.
- the simulated human blood 26 is supplied to the subcutaneous body 18, the simulated human calcaneus styloid process 20 and the simulated human blood vessel 22 provided in the simulated human body skin 18, the simulated human body skin 24 covering the simulated human body blood vessel 22, and the simulated human body blood vessel 22.
- a simulated human blood supply unit 28 is supplied to the subcutaneous body 18, the simulated human calcaneus styloid process 20 and the simulated human blood vessel 22 provided in the simulated human body skin 18, the simulated human body skin 24 covering the simulated human body blood vessel 22, and the simulated human body blood vessel 22.
- a simulated human blood supply unit 28 is a simulated human blood supply unit 28.
- the support base 12 is for supporting the upper limb model 14 in a predetermined posture.
- the support base main body 30 that supports the upper limb model 14 from below and the fall of the upper limb model 14 placed on the support base main body 30.
- a pair of side walls 32 for preventing the above.
- the upper limb model 14 is formed to imitate the appearance of a part from the fingertip to the forearm of the human upper limb.
- the upper limb model 14 may be formed by imitating the appearance of the part from the fingertip of the upper limb of the human body to the upper arm.
- the upper limb model 14 is formed to imitate the appearance of the upper right limb of the human body as understood from FIGS. 2 and 3, but is formed to simulate the appearance of the left upper limb of the human body. Is also possible.
- the upper limb model 14 has its wrist bent back by a predetermined angle (for example, 15 °). Thereby, the upper limb model 14 can be approximated to the form of the human upper limb when the indwelling needle 100 is punctured into the radial artery of the human body.
- a predetermined angle for example 15 °.
- the constituent material of the upper limb model 14 is not specifically limited, For example, resin materials, such as urethane and an elastomer, can be used suitably.
- the upper limb model 14 is provided with a mounting hole 34 that opens toward the proximal end side and a lid 36 that closes the opening of the mounting hole 34.
- the lid 36 is integrally provided with a receiving plate 38 that is disposed in the mounting hole 34 and receives the simulated human blood 26 leaked from the simulated human blood vessel 22, and an insertion hole 40 through which the simulated human blood vessel 22 is inserted.
- the lid 36 and the tray 38 can be made of a resin material such as urethane or elastomer, for example.
- An accommodation groove 16 extending from the wrist toward the forearm is formed on the inner surface (the palm side surface) of the upper limb model 14.
- the housing groove 16 includes a wide deep groove 42 located on the distal end side (fingertip side) and a narrow shallow groove 44 located on the proximal end side.
- a positioning hole 46 for positioning the simulated human subcutaneous body 18 and a discharge hole 48 that is located above the tray 38 and communicates with the deep groove 42 and the mounting hole 34 are formed on the bottom surface of the deep groove 42.
- the discharge hole 48 is located at the base end of the groove bottom surface of the deep groove 42.
- An arrangement hole 50 in which one end portion of the simulated human blood vessel 22 is arranged is formed on the side surface of the groove located on the distal end side constituting the deep groove 42.
- the arrangement hole 50 extends substantially horizontally toward the distal end side of the upper limb model 14 and then extends toward the outer surface side (back side of the hand) of the upper limb model 14. Thereby, the one end part of the simulated human blood vessel 22 can be easily held in the arrangement hole 50.
- the shallow groove 44 is a groove in which a part of the simulated human blood vessel 22 is disposed, and an opening on the proximal end side thereof faces the insertion hole 40 of the lid portion 36.
- the simulated human subcutaneous body 18 is a human subcutaneous substitute that simulates the human subcutaneous body, and is formed in a block shape. Specifically, the simulated human subcutaneous body 18 is formed in a substantially rectangular parallelepiped shape, and has a positioning projection 52 that is fitted into the positioning hole 46. The entire length of the simulated human subcutaneous body 18 is set to be shorter than the entire length of the deep groove 42, and the proximal end surface of the simulated human subcutaneous body 18 is located on the distal side of the discharge hole 48 with the positioning convex portion 52 fitted in the positioning hole 46. Located (see FIG. 1).
- the front end surface and both side surfaces of the simulated human body subcutaneous body 18 are in contact with the groove side surface constituting the deep groove 42 in a state where the positioning convex portion 52 is fitted in the positioning hole 46.
- a horizontal surface 56 in which a bone disposition hole 54 in which the simulated human calcaneus protrusion 20 is disposed is formed on the surface (rear surface) opposite to the side on which the positioning convex portion 52 is positioned in the simulated human subcutaneous body 18.
- An inclined surface 58 that is inclined toward the positioning convex portion 52 side (the groove bottom surface side of the deep groove 42) toward the base end side of the simulated human subcutaneous body 18 is formed.
- the bone arrangement hole 54 is located on the wrist of the upper limb model 14 in a state where the positioning convex portion 52 is fitted in the positioning hole 46.
- a support groove 60 is formed that extends over the entire length of the inclined surface 58 and in which the simulated human blood vessel 22 is disposed.
- the simulated human subcutaneous body 18 is preferably made of a soft resin material having a hardness that allows the indwelling needle 100 to puncture.
- the simulated human subcutaneous body 18 is made of a resin material that is softer than the constituent material of the upper limb model 14.
- the constituent material of the simulated human subcutaneous body 18 include silicon rubber.
- the durometer hardness (type C) of the silicone rubber is preferably in the range of 12 to 34, more preferably 23. When the hardness is in the range of 12 to 34, the pulsation of the simulated human blood vessel 22 can be efficiently transmitted to the simulated human skin 24 and penetrates the rear wall of the simulated human blood vessel 22 to the simulated human subcutaneous body 18. Through-wall puncture for piercing the indwelling needle 100 can be suitably performed.
- the simulated human calcaneus styloid process 20 is a substitute for a human calcaneus styloid process simulating a human calcaneus styloid process, and is formed in a block shape.
- a blood vessel disposition groove 62 in which the simulated human blood vessel 22 is disposed is formed.
- the simulated human calcaneus styloid projection 20 protrudes closer to the simulated human skin 24 than the horizontal plane 56 of the simulated human subcutaneous body 18 in a state of being disposed in the bone placement hole 54.
- the simulated human calcaneus styloid projection 20 is arranged in the bone arrangement hole 54 and has the same dimension as the outer diameter of the simulated human blood vessel 22 with respect to the horizontal plane 56 of the simulated human subcutaneous body 18. It protrudes to the skin 24 side. Thereby, it is possible to easily find the position of the simulated human calcaneus styloid projection 20 by touching the simulated human skin 24.
- the constituent material of the simulated human calcaneus stalk projection 20 is not particularly limited, but for example, a photo-curable resin such as an epoxy / acrylic mixed resin can be suitably used.
- the simulated human blood vessel 22 is a human blood vessel substitute simulating a human radial artery, and is formed in a tube shape.
- the inner hole of the one end portion of the simulated human blood vessel 22 is closed by a closing member 64.
- one end of the simulated human blood vessel 22 may be blocked by deforming the one end without depending on the closing member 64.
- the simulated human blood vessel 22 Since the simulated human blood vessel 22 is opened when the indwelling needle 100 is punctured into the simulated human blood vessel 22, the simulated human blood vessel 22 is replaced with a new simulated human blood vessel 22 every time the simulation is performed once to several times.
- a plurality of types of simulated human blood vessels 22 having different outer diameters are prepared. Accordingly, the simulated human blood vessel 22 having the optimum outer diameter can be selected according to the proficiency level of the user's technique, and a simulated experience approximated by an actual technique using the human body can be achieved.
- the constituent material of the simulated human blood vessel 22 is not particularly limited, for example, natural rubber can be suitably used.
- the simulated human blood vessel 22 is made of natural rubber and the simulated human skin 24 that contacts the simulated human blood vessel 22 is made of ethylene vinyl acetate copolymer resin (EVA), the swelling of the simulated human blood vessel 22 is prevented. Therefore, it is preferable to apply a silicon coating or the like to at least a portion of the simulated human blood vessel 22 that contacts the simulated human skin 24.
- the simulated human skin 24 is a human skin substitute that simulates human skin, and includes a skin main body 66 and a skin cover 68.
- the skin body 66 has a shape corresponding to the deep groove 42 in plan view.
- EVA resin such as synthetic rubber is used as a constituent material of the simulated human skin.
- the skin cover 68 is configured in a sheet shape and is disposed so as to cover the skin body 66.
- the skin cover 68 is provided with a locking member 74 such as a hook-and-loop fastener that holds the skin cover 68 around the wrist of the upper limb model 14.
- the constituent material of the skin cover 68 is not particularly limited, for example, silicon rubber is preferably used.
- the tear strength is preferably 30 N / mm or more. In this case, when the indwelling needle 100 is punctured into the skin cover 68, it is possible to suitably suppress the skin cover 68 from being torn from the puncture hole.
- the simulated human blood supply unit 28 is connected to the three-way stopcock (flow path switching means) 76 to which the other end of the simulated human blood vessel 22 is connected, and pressure is applied to the simulated human blood 26 in the simulated human blood vessel 22 connected to the three-way stopcock 76.
- a blood reservoir 82 connected to the three-way cock 76 via an introduction tube 80 to store the simulated human blood 26.
- the introduction tube 80 is provided with a clamp (channel opening / closing means) 81 for opening and closing the channel.
- a mixture of an arbitrary colorant (colorant) in physiological saline can be used.
- a red colorant such as food red can be suitably used.
- the technique simulator 10 is basically configured as described above. Next, a method for training the introduction of a medical instrument into the radial artery of the human body using the technique simulator 10 will be described. explain. Here, training of a technique for introducing the sheath 108 into the radial artery will be described.
- the procedure simulator 10 is prepared. Specifically, the simulated human body subcutaneous 18 and the simulated human calcaneus styloid process 20 are set on the upper limb model 14. That is, the positioning convex portion 52 of the simulated human subcutaneous body 18 is fitted into the positioning hole 46 formed in the groove bottom surface of the deep groove 42, and the simulated human calcaneus pedicle projection 20 is disposed in the bone placement hole 54 of the simulated human subcutaneous body 18. To do.
- the simulated human blood vessel 22 preliminarily primed with the simulated human blood 26 is set on the upper limb model 14. That is, one end portion (occlusion member 64) of the simulated human blood vessel 22 is placed in the placement hole 50 of the upper limb model 14, and the simulated human blood vessel 22 is inserted into the blood vessel placement groove 62 of the simulated human calcaneus styloid process 20 and the simulated human subcutaneous body 18.
- the support groove 60 and the shallow groove 44 are mounted on the groove bottom surface.
- the simulated human blood vessel 22 one having an outer diameter suitable for the current training is selected from a plurality of types of simulated human blood vessels 22 having different outer diameters.
- the simulated human skin 24 is set on the upper limb model 14.
- the skin body 66 is disposed in the deep groove 42 so as to cover the simulated human calcaneus styloid process 20 and the simulated human blood vessel 22, and the skin cover 68 is wrapped around the wrist of the upper limb model 14 so as to cover the skin body 66. Lock in the state.
- the lid 36 is set on the upper limb model 14. Specifically, the other end side of the simulated human blood vessel 22 is passed through the insertion hole 40 of the lid portion 36, a tray 38 is inserted into the mounting hole 34 of the upper limb model 14, and the opening portion on the proximal end side of the mounting hole 34 is covered with the lid.
- the lid portion 36 is attached to the upper limb model 14 so as to be closed by the portion 36.
- the other end of the simulated human blood vessel 22 is attached to a three-way cock 76.
- the user When the preparation of the procedure simulator 10 is completed, the user (a person who assists the person who performs training) operates the syringe 78 to apply (increase / decrease) the pressure of the simulated human blood 26 in the simulated human blood vessel 22. As a result, the simulated human blood vessel 22 pulsates.
- the user touches the skin cover 68 and searches for the position of the simulated human calcaneus styloid process 20. Then, the position of the pulsating simulated human blood vessel 22 in the vicinity thereof is grasped with the simulated human calcaneus pedicle process 20 as a guide. Then, the indwelling needle 100 is punctured into the simulated human blood vessel 22 (see FIG. 4A). Specifically, the indwelling needle 100 is pierced through the rear wall of the simulated human blood vessel 22 to the simulated human body subcutaneous 18.
- the simulated human blood 26 leaks from the simulated human blood vessel 22.
- the leaked simulated human blood 26 is guided through the inclined surface 58 of the simulated human subcutaneous body 18 to the discharge hole 48 and stored in the tray 38. That is, the simulated human blood 26 leaking from the simulated human blood vessel 22 can be prevented from flowing out of the upper limb model 14 and the diffusion of the simulated human blood 26 in the upper limb model 14 can be suppressed.
- the inner needle 102 of the indwelling needle 100 is removed, and the distal end of the outer needle 104 is positioned in the simulated human blood vessel 22 by slowly laying the outer needle 104 and pulling it out.
- the distal end of the indwelling needle 100 may be positioned in the simulated human blood vessel 22 without penetrating the rear wall of the simulated human blood vessel 22. Absent.
- a guide wire (mini guide wire) 106 is inserted into the simulated human blood vessel 22 through the lumen of the outer needle 104 of the indwelling needle 100 (see FIG. 4B). Then, with the guide wire 106 left, the outer needle 104 of the indwelling needle 100 is removed, and the simulated human body along the guide wire 106 is combined with the sheath 108 and the dilator 110 pre-primed with heparinized and sterilized physiological saline. It introduce
- hemostasis is performed by wrapping a hemostasis band (not shown) for the radial artery around the wrist of the upper limb model 14.
- a hemostasis band (not shown) for the radial artery around the wrist of the upper limb model 14.
- the pan 38 is removed from the upper limb model 14, the simulated human blood 26 in the pan 38 is discarded or collected in the blood reservoir 82, and the simulated human blood 26 leaking into the deep groove 42 is wiped off.
- an absorbent material such as cloth or paper for absorbing the simulated human blood 26 is disposed in the tray 38, the simulated human blood 26 in the tray 38 can be discarded more easily.
- a plurality of procedures puncture of the indwelling needle 100 into the radial artery, introduction of the guide wire 106 into the radial artery, introduction of the sheath 108 into the radial artery, while feeling the pulsation of the simulated human blood vessel 22, And compression hemostasis using a hemostatic band).
- the simulated human calcaneus styloid process 20 is disposed near the simulated human skin 24 located on the wrist of the upper limb model 14. Therefore, the user searches the position of the simulated human calcaneus styloid projection 20 by touching the skin cover 68 of the wrist of the upper limb model 14, and uses the simulated human calcaneus styloid projection 20 as a guide to indwell the needle (puncture). Needle) 100 can be punctured. Therefore, it is possible to have a simulated experience that approximates an actual procedure by the human body, and to efficiently learn a procedure for puncturing the indwelling needle 100 into the radial artery.
- the simulated human blood vessel 22 is disposed in the blood vessel disposition groove 62 formed in the simulated human calcaneus pedicle process 20, the simulated human calcaneus stalk process 20 and the simulated human blood vessel 22 are connected to each other. It can be held in a predetermined positional relationship.
- the position of the simulated human calcaneus styloid projection 20 can be determined by touching the skin cover 68. The user can be surely grasped.
- the simulated human subcutaneous body 18 is made of a material softer than the upper limb model 14, the simulated human blood vessel 22 is pierced through the rear wall of the simulated human blood vessel 22 to the simulated human subcutaneous body 18 and then pierced with the indwelling needle 100. It is possible to preferably learn the technique of piercing through the transmural wall to be placed inside. It is also possible to learn the technique of puncturing the front wall in which the tip of the indwelling needle 100 is placed in the simulated human blood vessel 22 without piercing the indwelling needle 100 into the rear wall of the simulated human blood vessel 22.
- an inclined surface 58 that inclines toward the groove bottom surface side of the deep groove 42 along the direction from the wrist to the forearm of the upper limb model 14 on at least a part of the surface on which the simulated human blood vessel 22 is disposed in the simulated human subcutaneous body 18. Therefore, the simulated human blood vessel 22 can be positioned on the groove bottom side as it goes from the wrist of the upper limb model 14 to the forearm with a simple configuration.
- the simulated human blood 26 leaking from the simulated human blood vessel 22 when the indwelling needle 100 is punctured into the simulated human blood vessel 22 can be received by the receiving plate 38, so that the procedure simulator 10 can be easily cleaned. Can be restored.
- the tray 38 is detachably attached to the upper limb model 14, the tray 38 in which the simulated human blood 26 is accumulated can be removed from the upper limb model 14 and the tray 38 can be easily returned to a clean state. At the same time, the simulated human blood 26 can be easily discarded or reused.
- the simulated human blood vessel 22 can be pulsated under the action of the syringe 78, a simulated experience that is more similar to an actual procedure by the human body can be achieved. Furthermore, since the inner hole at one end of the simulated human blood vessel 22 is blocked, the configuration can be simplified and the simulated human blood vessel 22 can be beaten compared to the case where the simulated human blood vessel 22 is a circulation circuit. It is possible to facilitate the movement.
- the procedure simulator 10 may have a simulated human blood vessel 22 a instead of the simulated human blood vessel 22.
- the simulated human blood vessel 22a is branched into two at the other end, and a three-way stopcock 76 is connected to the end of one branch passage 84, and a blocking member 88 is provided at the end of the other branch passage 86.
- one branch passage 84 corresponds to the ulnar artery of the human body
- the other branch passage 86 corresponds to the brachial artery of the human body.
- These branch passages 84 and 86 are preferably made of a transparent material.
- the guide wire 112 is inserted into the simulated human blood vessel 22a through the sheath 108 and guided to the other branch passage 86, so that the sheath 108 is placed in the radial artery.
- the procedure of inserting the guide wire 112 into the radial artery of the human body and guiding it to the brachial artery can be preferably simulated.
- the branch passages 84 and 86 are made of a transparent material, the user can easily confirm whether or not the guide wire 112 has been correctly guided to the other branch passage 86.
- the pressure applying means may use an electric air pump, a blower or the like instead of the syringe 78.
- the procedure simulator according to the present invention is not limited to the above-described embodiment, and various configurations can be adopted without departing from the gist of the present invention.
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Abstract
Description
Claims (9)
- 人体の橈骨動脈への医療器具の導入をトレーニングするための手技シミュレータ(10)であって、
人体上肢の少なくとも手首を含む部位の外観を模して形成された上肢モデル(14)と、
前記上肢モデル(14)の手首に形成された収容溝(16)に配設された模擬人体皮下(18)と、
前記模擬人体皮下(18)に形成された骨配設穴(54)に配設された模擬人体橈骨茎状突起(20)と、
前記模擬人体皮下(18)に配設される模擬人体血管(22、22a)及び前記模擬人体橈骨茎状突起(20)を覆う模擬人体皮膚(24)と、
を備える、
ことを特徴とする手技シミュレータ(10)。 - 請求項1記載の手技シミュレータ(10)において、
前記模擬人体橈骨茎状突起(20)には、前記模擬人体血管(22、22a)が配設される血管配設溝(62)が形成されていることを特徴とする手技シミュレータ(10)。 - 請求項1記載の手技シミュレータ(10)において、
前記模擬人体橈骨茎状突起(20)は、当該模擬人体橈骨茎状突起(20)の一部が前記模擬人体皮下(18)よりも前記模擬人体皮膚(24)側に突出するように前記骨配設穴(54)に配設されていることを特徴とする手技シミュレータ(10)。 - 請求項1記載の手技シミュレータ(10)において、
前記模擬人体皮下(18)は、前記上肢モデル(14)よりも軟質な材料で構成されていることを特徴とする手技シミュレータ(10)。 - 請求項1記載の手技シミュレータ(10)において、
前記模擬人体血管(22、22a)は、前記上肢モデル(14)の手首から前腕側に向かうに従って前記収容溝(16)の溝底面側に位置していることを特徴とする手技シミュレータ(10)。 - 請求項5記載の手技シミュレータ(10)において、
前記模擬人体皮下(18)における前記模擬人体血管(22、22a)が配設される面の少なくとも一部は、前記上肢モデル(14)の手首から前腕に向かう方向に沿って前記収容溝(16)の溝底面側に傾斜していることを特徴とする手技シミュレータ(10)。 - 請求項1記載の手技シミュレータ(10)において、
前記収容溝(16)を構成する溝底面には、前記模擬人体血管(22、22a)内の模擬人体血液(26)が通る排出孔(48)が形成されており、
前記排出孔(48)を介して導かれた前記模擬人体血液(26)を受ける受け皿(38)をさらに備えることを特徴とする手技シミュレータ(10)。 - 請求項7記載の手技シミュレータ(10)において、
前記受け皿(38)は、前記上肢モデル(14)に対して着脱可能に設けられていることを特徴とする手技シミュレータ(10)。 - 請求項1記載の手技シミュレータ(10)において、
前記模擬人体血管(22、22a)の一端部の内孔が閉塞されており、
前記模擬人体血管(22、22a)内の模擬人体血液(26)に圧力を付与する圧力付与手段(78)をさらに備えることを特徴とする手技シミュレータ(10)。
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