Medical device support

Abstract

The objective is to provide a medical device support that can prevent the protective tube containing the medical device from shifting relative to the support or falling off the support. [Solution] The medical device support 1 is a medical device support for fixing a protective tube 2 that houses a medical device 3, and the medical device support 1 comprises a substantially planar base 11 and three or more claw portions 21 arranged substantially in a straight line, one end of which is connected to the base 11 and the other end of which rises from the base 11 and has a hole 21h formed therein for holding the protective tube 2, wherein the center 21Bc of the hole 21Bh in one of the three or more claw portions 21 is eccentric with respect to an axis s that passes through the centers 21Ac of the holes 21Ah in any two other claw portions 21 of the three or more claw portions 21.

Description

Technical Field

[0001] The present disclosure relates to a medical device support.

Background Art

[0002] As a support for holding a longitudinally shaped medical device such as a guide wire or a catheter, for example, a support for fixing a medical device to a mount with a fixing band is known (see, for example, Patent Document 1).

[0003] According to such a support, it is possible to prevent the medical device from being bent or falling off from the support during storage or transportation.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In the conventional support as described above, for example, there is a risk that the fixing band may loosen due to an impact during handling or vibration during transportation. As a result, there is a risk that the medical device may move in the longitudinal direction on the support or fall off from the support.

[0006] <​​​​​​​The medical device support of the present disclosure is a medical device support for fixing a protective tube for housing a medical device, the medical device support comprising a substantially planar base and three or more substantially linearly arranged claws, one end of which is connected to the base and the other end of which rises from the base and has a hole formed therein for holding the protective tube, wherein the center of the hole in one of the three or more claws is eccentric with respect to an axis passing through the centers of the holes in any two other claws of the three or more claws. [Brief explanation of the drawing]

[0008] [Figure 1] This is a schematic plan view showing the first embodiment. [Figure 2] This is a schematic front view of Figure 1. [Figure 3] This is a schematic side view of Figure 1. [Figure 4] This is a schematic side view of Figure 1. [Figure 5] This is a schematic longitudinal cross-sectional view of Figure 1. [Figure 6] This is a schematic longitudinal cross-sectional view of Figure 1. [Figure 7] This is a schematic side view illustrating a modified example. [Figure 8] This is a schematic side view illustrating a modified example. [Figure 9] This is a schematic longitudinal cross-sectional view showing a modified example. [Figure 10] This is a schematic side view illustrating a modified example. [Figure 11] This is a schematic side view illustrating a modified example. [Figure 12] This is a schematic plan view showing a second embodiment. [Figure 13] This is a schematic front view of Figure 12. [Modes for carrying out the invention]

[0009] The medical device support in this disclosure is (1) A medical device support for fixing a protective tube for housing a medical device, the medical device support comprising a substantially planar base and three or more claws arranged substantially in a straight line, one end of which is connected to the base and the other end of which rises from the base and has a hole formed therein for holding the protective tube, wherein the center of the hole in one of the three or more claws is eccentric with respect to an axis passing through the centers of the holes in any two other claws of the three or more. With this configuration, by providing holes whose centers are eccentric with respect to an axis passing through the centers of any two claw holes, the protective tube is more easily pressed by the inner periphery of three or more claw holes. As a result, the frictional force between the claw and the protective tube caused by the pressing restricts the movement of the protective tube relative to the claw, thereby preventing the protective tube from shifting relative to the medical device support or from falling off the medical device support.

[0010] (2) In the medical device support described in (1) above, the center of the eccentric hole may be located perpendicular to the base with respect to the axis. This configuration allows the protective tube to be securely fixed to the medical device support by three or more claws, including claws with eccentric holes.

[0011] (3) In the medical device support described in (1) above, the center of the eccentric hole may be located in a direction parallel to the base with respect to the axis. This configuration allows the protective tube to be securely fixed to the medical device support by three or more claws, including claws with eccentric holes.

[0012] (4) In the medical device support described in (1) to (3) above, of the three claw portions arranged in a continuous order of a first claw portion, a second claw portion, and a third claw portion, the center of the hole in the second claw portion may be eccentric with respect to the axis passing through the center of the hole in the first claw portion and the center of the hole in the third claw portion. This configuration allows the protective tube to be securely fixed to the medical device support.

[0013] (5) In the medical device support tool of (4) above, the angle θ1 formed by the axis passing through the center of the hole of the first claw portion and the center of the hole of the third claw portion, and the axis passing through the center of the hole of the first claw portion and the center of the hole of the second claw portion, may be not less than arctan(0.5 / 160) and not more than arctan(1.5 / 160). According to this configuration, the protective tube can be securely fixed to the medical device support tool without excessively deforming the protective tube.

[0014] (6) In the medical device support tool of (1) to (3) above, among the three claw portions arranged continuously in the order of the first claw portion, the second claw portion, and the third claw portion, the center of the hole of the third claw portion may be eccentric with respect to the axis passing through the center of the hole of the first claw portion and the center of the hole of the second claw portion. According to this configuration, the protective tube can be securely fixed to the medical device support tool.

[0015] (7) In the medical device support tool of (6) above, the angle θ2 formed by the axis passing through the center of the hole of the first claw portion and the center of the hole of the second claw portion, and the axis passing through the center of the hole of the second claw portion and the center of the hole of the third claw portion, may be not less than arctan(0.5 / 160) and not more than arctan(1.5 / 160). According to this configuration, the protective tube can be securely fixed to the medical device support tool without excessively deforming the protective tube.

[0016] (8) In the medical device support tool of (1) to (7) above, the claw portion may be provided with a cut extending from the periphery of the hole to the periphery of the claw portion. According to this configuration, the protective tube can be easily attached and detached through the cut.

[0017] In this specification, “center of hole” means the geometric center (centroid) of the hole, that is, the position of the arithmetic mean taken over all points belonging to the periphery of the hole.

[0018] The first and second embodiments of this disclosure will be described below with reference to the drawings. This disclosure is not limited to the embodiments shown in the drawings. The dimensions of the parts shown in the drawings are for the purpose of facilitating understanding of the implementation and do not necessarily correspond to actual dimensions. In the drawings, "+" represents the center of the hole and "●" represents the center of the shaft.

[0019] <Medical device support devices> [First Embodiment] Figures 1 to 6 are schematic diagrams showing a first embodiment. The medical device support 1 is a device for fixing a protective tube (indicated by a dashed line labeled 2) that houses a medical device. As shown in Figure 1, the medical device support 1 can be formed, for example, from a base 11 and a cardboard base 10 including a claw portion 21.

[0020] The base portion 11 is a substantially planar part to which one end of the claw portion 21 is connected. The base portion 11 constitutes at least a part of the backing paper 10 to which the claw portion 21 is connected.

[0021] The claw portion 21 is a part in which one end is connected to the base portion 11 and the other end rises up from the base portion 11. As shown in Figure 3, a hole 21h for holding a protective tube is formed in the claw portion 21. The shape of the hole 21h is not particularly limited. In this embodiment, a hole 21h with a circular inner circumference is provided as an example so that a cylindrical (annular cross-section) protective tube can be accommodated.

[0022] The medical device support 1 has three or more claw portions 21, which are arranged in a substantially straight line. The center of the hole in one of the three or more claw portions 21 is positioned eccentrically with respect to an axis passing through the centers of the holes in any two other claw portions 21.

[0023] This eccentricity of the hole increases the opportunities for the inner edge of the hole 21h to come into contact with the outer surface of the protective tube 2, making it easier for the protective tube 2 to be pressed by the inner edges of the holes 21h of three or more claw portions 21. As a result, the frictional force between the claw portion 21 and the protective tube 2 caused by the pressing restricts the movement of the protective tube 2 relative to the claw portion 21, and the protective tube 2 is fixed to the medical device support 1.

[0024] The direction in which the center of the hole is eccentric with respect to the axis is not particularly limited. As shown in Figure 4, in this embodiment, the center 21Bc of the eccentric hole 21Bh is located in a direction perpendicular to the base 11 (in this embodiment, the direction of the base 11) with respect to the axis s of the hole 21Ah. This allows the protective tube 2 to be securely fixed to the medical device support 1 by three or more claw portions 21, including the claw portion 21 having the eccentric hole 21Bh.

[0025] Here, the positional relationship between the holes 21h will be specifically explained using three claw portions 21 as an example. For example, three claw portions 21 that are arranged in a nearly straight line will be referred to as the first claw portion, the second claw portion, and the third claw portion, in order from the end.

[0026] The relative arrangement of the first, second, and third claw portions can be substantially divided into two types: a first type and a second type. By combining these first and second types, the arrangement of the series of claw portions 21 in the medical device support 1 is defined.

[0027] The first type, as shown in Figure 5, is a type in which, among the three claw portions arranged in the order of the first claw portion 211, the second claw portion 212, and the third claw portion 213, the center 212c of the hole 212h of the second claw portion 212 is eccentric with respect to the axis s11 that passes through the center 211c of the hole 211h of the first claw portion 211 and the center 213c of the hole 213h of the third claw portion 213.

[0028] The medical device support 1 may be arranged so that any three claw portions 21 (all claw portions 21) conform to the first type. In other words, the distance between the center 21c of the hole 21h of the claw portion 21 and the base 11 may be formed to alternately change between adjacent claw portions 21, 21. Alternatively, the medical device support 1 may be arranged so that only certain three sequentially arranged claw portions 21 (some of the claw portions 21) conform to the first type. This ensures that the protective tube 2 is securely fixed to the medical device support 1.

[0029] The angle θ1 formed by the axis s11 passing through the center 211c of the hole 211h of the first claw portion 211 and the center 213c of the hole 213h of the third claw portion 213, and the axis s12 passing through the center 211c of the hole 211h of the first claw portion 211 and the center 212c of the hole 212h of the second claw portion 212, may be such that the eccentric distance with respect to the 160mm distance between adjacent claw portions 21, 21 is 0.5mm or more and 1.5mm or less, i.e., the angle θ1 is arctan(0.5 / 160) or more and arctan(1.5 / 160) or less (0,179°≦θ1≦0.537°). By setting the angle θ1 within the above range, the protective tube 2 can be securely fixed to the medical device support 1 without excessively deforming the protective tube 2.

[0030] The second type, as shown in Figure 6, is a type in which, of the three claw portions arranged in a continuous order in the order of the first claw portion 221, the second claw portion 222, and the third claw portion 223, the center 223c of the hole 223h of the third claw portion 223 is eccentric with respect to the axis s21 that passes through the center 221c of the hole 221h of the first claw portion 221 and the center 222c of the hole 222h of the second claw portion 222.

[0031] The medical device support 1 may be arranged such that three claw portions 21 belonging to the second type are connected across all claw portions 21 (including overlapping of the second type portions). Alternatively, the medical device support 1 may be arranged so that only three specific claw portions 21 (some of the claw portions 21) in a specific order from all the claw portions 21 fit the second type. This ensures that the protective tube 2 is securely fixed to the medical device support 1.

[0032] The angle θ2 formed by the axis s21 passing through the center 221c of the hole 221h of the first claw portion 221 and the center 222c of the hole 222h of the second claw portion 222, and the axis s22 passing through the center 222c of the hole 222h of the second claw portion 222 and the center 223c of the hole 223h of the third claw portion 223, may be such that the eccentricity distance with respect to the 160mm distance between adjacent claw portions 21, 21 is 0.5mm or more and 1.5mm or less, i.e., the angle θ2 is arctan(0.5 / 160) or more and arctan(1.5 / 160) or less (0,179°≦θ2≦0.537°). By setting the angle θ2 within the above range, the protective tube 2 can be securely fixed to the medical device support 1 without excessively deforming the protective tube 2.

[0033] The base sheet 10 may include parts having a three-dimensional shape in addition to the base portion 11 and the claw portion 21. The medical device support 1 of this embodiment includes a stopper 31 and a fastening portion 41 on the base sheet 10. The stopper 31 abuts against one end of the protective tube 2, positioning the protective tube 2 at a predetermined location on the medical device support 1. The fastening portion 41 engages with the base end of the medical device 3, fixing the medical device 3 to the medical device support 1 in a detachable manner.

[0034] The material forming the backing board 10 is not particularly limited as long as it can hold the protective tube 2 and keep the medical device 3 clean. Examples of such materials include paper materials, resin materials, and synthetic paper made by mixing these. Examples of paper materials include fine paper, medium-quality paper, kraft paper, glossy kraft paper, polished kraft paper, and surface-coated paper. Examples of resin materials include polyethylene and polypropylene.

[0035] The usage of the medical device support 1 will be explained. The explanation will be given using a medical device support 1 as an example, which uses a cylindrical tube as the protective tube 2 and houses a guide wire (hereinafter also referred to as "guide wire 3") as the medical device 3.

[0036] First, prepare the medical device support 1. Specifically, prepare a base 10 having a substantially flat base 11 and, for example, a plurality of claw portions 21 that stand vertically from the base 11. Next, pass one end of the protective tube 2 through the hole 21h of the outermost claw portion 21 of the claw portions 21 that are arranged in a substantially straight line. Then, sequentially pass the protective tube 2 through the holes 21h of the remaining claw portions 21, and position the protective tube 2 in a predetermined location on the medical device support 1. At this time, positioning may be done by bringing one end of the protective tube 2 into contact with the stopper 31. The protective tube 2 is fixed to the medical device support 1 by three sequentially arranged claw portions 21, including a claw portion 21 having an eccentric hole 21Bh.

[0037] Next, the guide wire 3 is housed in the protective tube 2. Specifically, one end of the guide wire 3 is inserted into the opening 2a of the protective tube 2, and the guide wire 3 is pushed forward until it reaches a predetermined position inside the protective tube 2. After that, the guide wire 3 may be fixed to the medical device support 1 by engaging the fastening part 41 provided on the medical device support 1 with the guide wire 3.

[0038] As described above, the medical device support 1 has the above configuration, so by providing holes 21h whose centers are eccentric with respect to an axis passing through the centers of any two claw portions 21, the protective tube 2 is more easily pressed by the inner circumferential edges of the holes 21h of three or more claw portions 21. As a result, the frictional force between the claw portion 21 and the protective tube 2 restricts the movement of the protective tube 2 relative to the claw portion 21, thereby preventing the protective tube 2 from shifting relative to the medical device support 1 or from falling off the medical device support 1.

[0039] In the embodiment described above, a medical device support 1 was described in which the center 21Bc of the eccentric hole 21Bh is located perpendicular to the base 11 with respect to the axis s. As shown in Figure 7, the center 21Bc of the eccentric hole 21Bh may be positioned parallel to the base 11 with respect to the axis s. Alternatively, as shown in Figure 8, the center 21Bc of the hole 21Bh may be positioned obliquely. The medical device support may include at least two of the holes 21Bh whose centers 21Bc are located perpendicular, parallel, and obliquely with respect to the axis s. With such a configuration, the protective tube 2 can be securely fixed to the medical device support 1 by three or more claw portions 21, including the claw portion 21 having the eccentric hole 21Bh.

[0040] In the embodiment described above, a medical device support 1 was described in which the claw portion 21 stands perpendicular to the base portion 11. As shown in Figure 9, the claw portion 21 may stand at an angle to the base portion 11. In this case, for example, the shape of the hole 21h can be made such that the major axis is perpendicular to the base portion 11 (e.g., an ellipse), and the major axis can be appropriately adjusted according to the degree of inclination of the claw portion 21, thereby allowing the protective tube 2 to pass through all the holes.

[0041] The claw portion 21 may have a notch extending from the periphery of the hole 21h to the periphery of the claw portion 21. The configuration of the notch is not particularly limited. As shown in Figure 10, the notch may be, for example, a notch 21b1 extending radially from the center 21c of the hole 21h. As shown in Figure 11, the notch may be a zigzag-shaped notch 21b2. By providing such notches 21b1 and 21b2, the protective tube 2 can be easily attached to and detached via the notches 21b1 and 21b2.

[0042] <Medical device set> [Second Embodiment] Figures 12 and 13 are schematic diagrams showing a second embodiment. As shown in Figures 12 and 13, the medical device set 100 comprises a medical device support 1, a protective tube 2, and a medical device 3. In this embodiment, the medical device support 1 is exemplified as the medical device support. Since the medical device support 1 is the same as in the first embodiment, the same reference numerals are used for the same parts and their detailed description is omitted.

[0043] As shown in Figures 1 to 4, the medical device support 1 comprises a substantially planar base 11 and three or more claw portions 21 arranged in a substantially straight line, one end of which is connected to the base 11 and the other end of which rises from the base 11 and has a hole 21h formed therein for holding the protective tube 2. The center of the hole 21h in one of the three or more claw portions 21 is eccentric with respect to an axis s that passes through the centers of the holes 21h in any two other claw portions 21.

[0044] The protective tube 2 is a component fixed to the medical device support 1. The shape of the protective tube 2 is not particularly limited as long as it can house the medical device 3 and be inserted into the hole 21h of the claw portion 21. In this embodiment, a long cylindrical protective tube 2 having an annular cross-section is exemplified.

[0045] The protective tube 2 preferably has sufficient rigidity to keep the medical device 3 housed inside clean and to prevent excessive force from being applied to the medical device 3. Examples of materials for forming the protective tube 2 include polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, polyvinyl chloride, polystyrene, polyamide, and polyimide.

[0046] The medical device 3 is a component housed in the protective tube 2. The medical device 3 is not particularly limited as long as it can be housed in the protective tube 2. In this embodiment, a known guide wire 3 is exemplified as the medical device 3.

[0047] The medical device set 100 can be formed using the same procedure as described in the first embodiment for the use of the medical device support 1. A detailed explanation is omitted here.

[0048] The medical device support 1 to which the guide wire 3 is fixed may be packaged in a bag (not shown). For example, a rectangular bag with three sides heat-sealed except for the opening may be used, and after inserting the medical device support 1 into the bag, the opening may be heat-sealed to seal the bag.

[0049] As described above, the medical device set 100 has the above configuration, so that the protective tube 2 included in the medical device set 100 can be securely fixed to the medical device support 1. As a result, it is possible to prevent the protective tube 2 from shifting relative to the medical device support 1 or from falling off the medical device support 1.

[0050] This disclosure is not limited to the configurations of the embodiments described above, but is intended to include all modifications within the meaning and scope of the claims as indicated by the claims. Some of the configurations of the embodiments described above may be deleted or replaced with other configurations, or other configurations may be added to the configurations of the embodiments described above.

[0051] In the embodiments described above, a cylindrical protective tube 2 was exemplified as the protective tube to be fixed. The protective tube is not particularly limited as long as it can be fixed to the medical device support. The protective tube may have a cross-sectional shape other than circular, such as an elliptical or polygonal shape. In such cases, the shape of the holes in the claw portion can be determined to match the lateral shape of the protective tube.

[0052] In the embodiment described above, a guidewire 3 was exemplified as the medical device to be housed. The medical device is not particularly limited as long as it can be housed in the protective tube. Examples of medical devices include catheters, dilators, Y-connectors, etc.

[0053] In the embodiments described above, a configuration was described in which a protective tube 2 housing the medical device 3 is fixed to the medical device support 1. The medical device support may directly fix the medical device without using a protective tube. In such a configuration of the medical device support, the term "protective tube" in this specification described above can be replaced with "long medical device." Specific examples of long medical devices to which this can be replaced include, for example, well-known long medical instruments such as guide wires, catheters, dilators, and Y-connectors.

[0054] In a medical device support for fixing a long medical device, providing a hole with an eccentric center can prevent the long medical device from shifting relative to the support or from falling off the support.

Claims

1. A medical device support (1) for fixing a protective tube (2) that houses a medical device (3), The medical device support (1) comprises a substantially planar base (11) and three or more claw portions (21, 211, 212, 213, 221, 222, 223) arranged in a substantially straight line, one end of which is connected to the base (11) and the other end of which rises from the base (11) and has holes (21h, 21Ah, 21Bh, 211h, 212h, 213h, 221h, 222h, 223h) for holding the protective tube. A medical device support (1) in which the centers (21Bc, 212c, 223c) of the holes (21Bh, 212h, 223h) in one of the three or more claw portions (21, 211, 212, 213, 221, 222, 223) are eccentric with respect to an axis (s, s11, s21) passing through the centers of the holes (21Ac, 211c, 213c, 221c, 222c) in any two other claw portions (21, 211, 213, 221, 222) of the three or more claw portions (21, 211, 212, 213, 221, 222, 223).

2. The medical device support (1) according to claim 1, wherein the centers (21Bc, 212c, 223c) of the eccentric holes (21Bh, 212h, 223h) are located in a direction perpendicular to the base (11) with respect to the axis (s, s11, s21).

3. The medical device support (1) according to claim 1, wherein the centers (21Bc, 212c, 223c) of the eccentric holes (21Bh, 212h, 223h) are located in a direction parallel to the base (11) with respect to the axis (s).

4. Of the three claw portions (211, 212, 213) arranged in the order of the first claw portion (211), the second claw portion (212), and the third claw portion (213), The medical device support (1) according to any one of claims 1 to 3, wherein the center (212c) of the hole (212h) of the second claw portion (212) is eccentric with respect to an axis (s11) passing through the center (211c) of the hole (211h) of the first claw portion (211) and the center (213c) of the hole (213h) of the third claw portion (213).

5. The angle θ1 formed by the axis (s11) passing through the center (211c) of the hole (211h) of the first claw portion (211) and the center (213c) of the hole (213h) of the third claw portion (213), and the axis (s12) passing through the center (211c) of the hole (211h) of the first claw portion (211) and the center (212c) of the hole (212h) of the second claw portion (212) is, A medical device support (1) according to claim 4, wherein the arctan is greater than or equal to arctan (0.5 / 160) and less than or equal to arctan (1.5 / 160).

6. Of the three claw portions (221, 222, 223) arranged in the order of the first claw portion (221), the second claw portion (222), and the third claw portion (223), The medical device support (1) according to any one of claims 1 to 3, wherein the center (223c) of the hole (223h) of the third claw portion (223) is eccentric with respect to an axis (s21) passing through the center (221c) of the hole (221h) of the first claw portion (221) and the center (222c) of the hole (222h) of the second claw portion (222).

7. The medical device support (1) according to claim 6, wherein the angle θ2 between the axis (21) passing through the center (221c) of the hole (221h) of the first claw portion (221) and the center (222c) of the hole (222h) of the second claw portion (222), and the axis (s22) passing through the center (222c) of the hole (222h) of the second claw portion (222) and the center (223c) of the hole (223h) of the third claw portion (223), is greater than or equal to arctan(0.5 / 160) and less than or equal to arctan(1.5 / 160).

8. The medical device support according to any one of claims 1 to 7, wherein the claw portion (21) is provided with notches (21b1, 21b2) extending from the periphery of the hole (21h) to the periphery of the claw portion (21).

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