hemostatic instruments

Abstract

To provide a hemostatic device capable of easily achieving a plurality of usages.SOLUTION: A hemostatic device is configured to cover a puncture site formed in a patient, and includes a support member having a first region and a second region positioned outside the first region, and a pressing member configured to compress the puncture site and held in the first region. The first region can be inverted with respect to the second region.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to hemostatic devices. [Background technology]

[0002] A hemostatic device used to stop bleeding at a puncture site formed in a patient is known (see, for example, Patent Document 1). Such a hemostatic device has a support member configured to cover the puncture site formed in the patient, and a pressing member configured to compress the puncture site and held by the support member. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Special Publication No. 2021-502220 Summary of the Invention [Problem to be solved by the invention]

[0004] In the hemostatic device of Patent Document 1, the positional relationship of the pressing member with respect to the support member is fixed, so it is necessary to prepare two types of hemostatic device, for example, a left-handed hemostatic device for stopping bleeding at a puncture site on the left hand and a right-handed hemostatic device for stopping bleeding at a puncture site on the right hand, which results in problems such as cumbersome management and the risk of mixing them up during use. For this reason, it would be desirable to provide a hemostatic device that can be easily used in multiple ways, such as for ambidextrous use.

[0005] Therefore, an object of the present disclosure is to provide a hemostatic device that can be easily used in multiple ways. [Means for solving the problem]

[0006] In one aspect of the present disclosure, a hemostatic device includes a support member configured to cover a puncture site formed in a patient, the support member having a first region and a second region located outside the first region, and a pressing member configured to compress the puncture site and held in the first region, wherein the first region is invertible relative to the second region.

[0007] In one embodiment of the present disclosure, the hemostatic device includes a belt member extending from the second region of the support member and configured to secure the support member to the puncture site.

[0008] In one embodiment of the present disclosure, the hemostatic device is a hemostatic device in which the belt member has a first belt portion configured to be placed between the patient's fingers, a second belt portion extending from the second region in a direction different from that of the first belt portion, and a third belt portion extending from the second region in a direction different from that of the first belt portion and the second belt portion.

[0009] In one embodiment of the present disclosure, the hemostatic device is a hemostatic device in which the second belt portion and the third belt portion have different lengths.

[0010] In one embodiment of the present disclosure, the hemostatic device is a hemostatic device in which the rotation axis of the first region is not parallel to any of the first belt portion, the second belt portion, and the third belt portion.

[0011] In one embodiment of the present disclosure, the hemostatic device is a hemostatic device in which the first region is arranged such that the center of the first region is positioned at a position offset from the center of the support member.

[0012] In one embodiment of the present disclosure, the hemostatic device is a hemostatic device in which the pressing member is disposed in the center of the first region.

[0013] In one embodiment of the present disclosure, the hemostatic device includes a restricting portion that restricts rotation of the first region relative to the second region.

[0014] In one embodiment of the present disclosure, the hemostatic device is a hemostatic device in which the first region is harder than the second region.

[0015] In one embodiment of the present disclosure, the hemostatic device is a hemostatic device, wherein the first region is warped in a direction to wrap around the pressing member.

[0016] In one embodiment of the present disclosure, the hemostatic device includes a balloon as the pressing member, a ventilation member that serves as a passage for gas to inflate the balloon, and a retaining member that is configured to be able to hold the ventilation member and is provided on the surface of the first region to which the balloon is connected. [Effects of the Invention]

[0017] According to the present disclosure, a hemostatic device that can be easily used in multiple ways can be provided. [Brief explanation of the drawings]

[0018] [Figure 1] FIG. 1 is a top view of a hemostatic device according to one embodiment. [Figure 2] FIG. 2 is a side view of the hemostatic device shown in FIG. [Figure 3] This shows the state when the first region is inverted from the state shown in FIG. [Figure 4] 2 is a top view showing the hemostatic device shown in FIG. 1 when attached to the right hand. FIG. [Figure 5] FIG. 2 is a perspective view showing an example of a rotation mechanism of the hemostatic device shown in FIG. [Figure 6] 2 is a perspective view showing an example of a restriction portion of the hemostatic device shown in FIG. 1. FIG. [Figure 7] FIG. 7 is a cross-sectional view of the restriction portion shown in FIG. 6. [Figure 8] 2 shows the state when the first region of the hemostatic device shown in FIG. 1 is inverted. [Figure 9] FIG. 9 is a side view of the hemostatic device in the state shown in FIG. 8. [Figure 10] 10 shows the state when the first region is inverted from the state shown in FIG. [Figure 11] 2 is a side view showing an example of a first region of the hemostatic device shown in FIG. 1. FIG. [Figure 12] FIG. 2 is a top view showing an example of the arrangement of balloons in the hemostatic device shown in FIG. 1. [Figure 13] 2 is a top view showing an example of the arrangement of a rotation mechanism of the hemostatic device shown in FIG. 1. FIG. [Figure 14] FIG. 2 is a conceptual diagram for explaining the usefulness of the shape of the support member of the hemostatic device shown in FIG. [Figure 15] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 16] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 17] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 18] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 19] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 20] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 21] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 22] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 23] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 24] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 25] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 26] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 27] FIG. 2 is a perspective view showing an example of a rotation mechanism of the hemostatic device shown in FIG. [Figure 28] FIG. 2 is a perspective view showing an example of a rotation mechanism of the hemostatic device shown in FIG. [Figure 29] 2 is a perspective view showing an example of a restriction portion of the hemostatic device shown in FIG. 1. FIG. [Figure 30]FIG. 30 is a cross-sectional view of the restriction portion shown in FIG. 29. [Figure 31] 2 is a perspective view showing an example of a restriction portion of the hemostatic device shown in FIG. 1. FIG. [Figure 32] 32 is a conceptual diagram showing the insertion direction of a pin that constitutes the restricting portion shown in FIG. 31. FIG. [Figure 33] FIG. 2 is a schematic diagram showing a modified example of the hemostatic device shown in FIG. [Figure 34] FIG. 34 is a side view of the hemostatic device shown in FIG. 33. [Figure 35] This shows the state when the first region is inverted from the state shown in FIG. DETAILED DESCRIPTION OF THE INVENTION

[0019] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings.

[0020] 1 , a hemostatic device 1 according to one embodiment of the present disclosure includes a support member 2 configured to cover a puncture site formed in a patient and having a first region 2a and a second region 2b located outside the first region 2a, a pressing member 3 configured to compress the puncture site and held in the first region 2a, and a belt member 4 extending from the second region 2b of the support member 2 and configured to secure the support member 2 to the puncture site. The first region 2a is reversible relative to the second region 2b. More specifically, the first region 2a is rotatably connected to the second region 2b via a rotation mechanism 5.

[0021] The second region 2b of the support member 2 is a member having a first surface 6 and a second surface 7 on the opposite side. The first region 2a can be switched between a state in which one side of the first region 2a is located on the first surface 6 side of the second region 2b and a state in which one side of the first region 2a is located on the second surface 7 side of the second region. The first region 2a is composed of a first plate portion 8, and the second region 2b is composed of a second plate portion 9. For convenience of explanation, the first surface 6 is referred to as the upper surface, and the second surface 7 is referred to as the lower surface. The first plate portion 8 is disk-shaped, and the second plate portion 9 has an opening 10 that is circular in top view. The first plate portion 8 is disposed within the opening 10. The first plate portion 8 is rotatable around a rotation axis O that intersects with the opening 10.

[0022] The hemostatic device 1 also has a balloon 11 for hemostasis as the pressing member 3, and a ventilation member 12 that serves as a passage for gas to inflate the balloon 11. The ventilation member 12 has an inflation tube 12a and an inflation balloon 12b. The balloon 11 can be inflated and compress the puncture site by connecting a gas delivery device such as a syringe to a connector (not shown) provided on the inflation balloon 12b and sending gas to the balloon 11 through the inflation tube 12a. If gas leaks from the balloon 11 due to damage or the like, the inflation balloon 12b will contract to indicate an abnormality.

[0023] The balloon 11 is held on one side of the first region 2a of the support member 2, one end of the inflation tube 12a is connected to the balloon 11, and the other end of the inflation tube 12a is connected to the inflation balloon 12b.

[0024] The belt member 4 has a first belt portion 4a configured to be placed between the patient's fingers, a second belt portion 4b extending from the second region 2b in a direction different from that of the first belt portion 4a, and a third belt portion 4c extending from the second region 2b in a direction different from that of the first belt portion 4a and the second belt portion 4b. The second belt portion 4b and the third belt portion 4c have different lengths. More specifically, the third belt portion 4c is longer than the second belt portion 4b.

[0025] Within the same plane as the support member 2, the first belt portion 4a extends from the second region 2b in a first direction D1, the second belt portion 4b extends in a second direction D2, and the third belt portion 4c extends in a third direction D3. In this embodiment, the third direction D3 is opposite to the second direction D2. With this configuration, for example, when the puncture site is formed on the back of the hand H (see FIG. 4), the second belt portion 4b and the third belt portion 4c can be easily wrapped around and fixed to the wrist. Specifically, as shown in FIG. 1, the second belt portion 4b and the third belt portion 4c extend in the second direction D2 and the third direction D3 on the same straight line. Therefore, when the hemostatic device 1 is wrapped around and worn, the second belt portion 4b and the third belt portion 4c overlap each other over a larger area, enabling a firmer fixation.

[0026] The first direction D1 is perpendicular to the second direction D2 and the third direction D3. With this configuration, for example, it is possible to attach the pressing member 3 to an appropriate position for either the right hand Ha or the left hand Hb (see FIG. 14). For convenience of explanation, the direction along the second direction D2 and the third direction D3 is also referred to as the left-right direction, and the direction along the first direction D1 is also referred to as the front-rear direction.

[0027] In this embodiment, the second region 2b has a slit portion 13 for connecting the belt member 4 through it. The slit portion 13 has a first slit 13a for connecting the first belt portion 4a, a second slit 13b for connecting the second belt portion 4b, and a third slit 13c for connecting the third belt portion 4c. With this configuration, by shifting the belt member 4 to an appropriate position with respect to the slit portion 13, the position of the pressing member 3 can be adjusted to a position that better suits the puncture site without, for example, bending the belt member 4.

[0028] The support member 2 (second region 2b) has a first edge 14a to which the first belt portion 4a is connected, a second edge 14b to which the second belt portion 4b is connected, and a third edge 14c to which the third belt portion 4c is connected. In this embodiment, the first edge 14a, the second edge 14b, and the third edge 14c are each linear. The first slit 13a is parallel to the first edge 14a, the second slit 13b is parallel to the second edge 14b, and the third slit 13c is parallel to the third edge 14c. The first edge 14a extends perpendicular to the first direction D1, the second edge 14b extends perpendicular to the second direction D2, and the third edge 14c extends perpendicular to the third direction D3.

[0029] The support member 2 (second region 2b) has a fourth edge 14d that extends linearly parallel to the first edge 14a on the opposite side to the first edge 14a. The connection between the first edge 14a and the second edge 14b is formed by a linear first chamfered portion 14e. The connection between the first edge 14a and the third edge 14c is formed by a linear second chamfered portion 14f.

[0030] By configuring the entire support member 2 (second region 2b) in such a hexagonal shape, for example, by bringing the support member 2 into contact with the wrist at the fourth edge 14d and bringing the support member 2 into contact with the back of the hand H at the first chamfered portion 14e and the second chamfered portion 14f, the support member 2 is less likely to dig into the wrist or the back of the hand H, thereby reducing pain. Also, the first belt portion 4a, the second belt portion 4b, and the third belt portion 4c can be stably attached to the support member 2 (second region 2b).

[0031] The edge shape (outer shape) of the support member 2 is symmetrical with respect to a central axis extending along the front-rear direction. The first region 2a is disposed so that the center of the first region 2a is positioned at a position shifted in the left-right direction from the center of the support member 2. More specifically, the first region 2a is disposed so as to be shifted from the center of the support member 2 toward the second belt portion 4b.

[0032] As shown in FIGS. 2 and 3 , the first region 2a, while holding the pressing member 3, can rotate relative to the second region 2b around the rotation axis O of the rotation mechanism 5. By appropriately rotating the first region 2a, the pressing member 3 can be positioned on either the upper or lower surface of the second region 2b. As a result, as shown in FIG. 14 , the hemostatic device 1 can fix the first belt portion 4a, the second belt portion 4b, and the third belt portion 4c to the same positions on the patient's hand H and wrist, whether performing hemostasis at a puncture site on the right hand Ha or a puncture site on the left hand Hb. This simplifies the procedure for a medical professional or other surgeon to attach the hemostatic device 1 to a patient, thereby improving the operability of the hemostatic device 1.

[0033] As shown in FIG. 4 , the hemostatic device 1 of this embodiment can be used to stop bleeding at a puncture site in the distal radial artery formed on the back of a hand H. When used to stop bleeding on a right hand Ha, the support member 2 is placed against the back of the hand H with the second edge 14b facing the thumb and the third edge 14c facing the little finger. The second belt portion 4b is wrapped around the wrist from the thumb side, and the third belt portion 4c is wrapped around the wrist from the little finger side, and the second belt portion 4b and the third belt portion 4c are aligned and secured together. The second belt portion 4b and the third belt portion 4c are secured together via a fastening member such as a hook-and-loop fastener (not shown). The first belt portion 4a is passed between the index finger and thumb and secured to the second belt portion 4b or the third belt portion 4c. This fastening can also be achieved via a fastening member such as a hook-and-loop fastener (not shown). Note that these fastening members are not limited to hook-and-loop fasteners and can be appropriately selected.

[0034] The support member 2 is placed on the back of the hand H with the first region 2a facing so that the pressing member 3 faces the back of the hand H. When the hemostatic member is fixed to the hand H by the belt member 4, the pressing member 3 (balloon 11) is inflated through the ventilation member 12, and the puncture site is compressed by the pressing member 3, thereby stopping the bleeding.

[0035] The hemostatic device 1 of this embodiment can be suitably used not only for the right hand Ha but also for stopping bleeding at a puncture site in the distal radial artery formed on the back of the left hand Hb. When used on the left hand Hb, the support member 2 is turned in the opposite direction and the first region 2a is inverted. In this way, the hemostatic device 1 can be made to have a shape that is nearly mirror-symmetrical to the shape when used on the right hand Ha, so that it can be attached to the left hand Hb and used to stop bleeding in the same way as when used on the right hand Ha.

[0036] In this way, the hemostatic device 1 of this embodiment can be used in multiple ways (for both left and right hands). Note that the hemostatic device 1 of this embodiment is not limited to being used on the hand H, and may be configured to be suitable for use in stopping bleeding at sites other than the hand H, such as a puncture site formed on the top of the foot.

[0037] 5, the rotation mechanism 5 has a rotation shaft 5a that is arranged to cross the opening 10. The rotation shaft 5a is arranged inside holes provided in the second plate portion 9 and the first plate portion 8, and extends through the first plate portion 8.

[0038] 6 and 7, the rotation mechanism 5 has a restricting portion 15 that restricts the rotation of the first region 2a (first plate portion 8) relative to the second region 2b (second plate portion 9). The restricting portion 15 is provided on the peripheral edge (inner peripheral surface) of the opening 10 in the second plate portion 9 and is composed of a second engaging portion 15b consisting of a circumferentially extending protrusion, and a first engaging portion 15a provided on the outer peripheral surface of the first plate portion 8 and consisting of two circumferentially extending, parallel protrusions.

[0039] When the pressing member 3 is positioned on the lower side and the first region 2a and the second region 2b are parallel to each other in the first state (a state usable for the right hand Ha), the first engagement portion 15a and the second engagement portion 15b engage with each other, and rotation of the first region 2a is restricted in the first state. At this time, the ridge that constitutes the second engagement portion 15b is positioned between the two ridges that constitute the first engagement portion 15a in the direction orbiting the rotation axis O, and the first state is maintained until a rotational force sufficient to overcome one of these two ridges by elastic deformation is applied.

[0040] Similarly, when the pressing member 3 is positioned on the upper side and the first region 2a and the second region 2b are parallel to each other in the second state (a state usable for the left hand Hb), the first engaging portion 15a and the second engaging portion 15b engage with each other, and rotation of the first region 2a is restricted in the second state.

[0041] As shown in Fig. 8, when rotating the first region 2a to change the state between the first state and the second state, the first region 2a can be rotated with the inflation balloon 12b placed on the balloon 11. As shown in Figs. 9 and 10, the combined thickness T of the inflation balloon 12b and the balloon 11 before inflation is set to be equal to or less than the maximum length L of the first region 2a from the rotation axis O in a direction perpendicular to the rotation axis O in a top view. As a result, the first region 2a can be easily rotated between the first state and the second state.

[0042] As shown in Fig. 11, the first plate portion 8 may be configured to be warped in the direction of wrapping the pressing member 3 (balloon 11). Such a configuration can prevent the pressing member 3 from slipping relative to the hand H. Furthermore, the first region 2a (first plate portion 8) is preferably harder than the second region 2b (second plate portion 9) from the viewpoint of stably holding the pressing member 3 at the puncture site. The second region 2b is preferably flat (not warped) from the viewpoint of facilitating use on either the front or back side.

[0043] 12, the pressing members 3 are preferably disposed in the first region 2a symmetrically with respect to the rotation axis O in top view. With this configuration, a more accurate mirror-symmetric shape can be achieved by inversion, resulting in better ambidextrous usability.

[0044] 13, it is preferable that the rotation axis O of the first region 2a is not parallel to any of the first belt portion 4a (first direction D1), the second belt portion 4b (second direction D2), and the third belt portion 4c (third direction D3). With this configuration, the rotation axis 5a of the first region 2a is less likely to interfere with wrapping the belt member 4 around the hand H, making it easier to fit the hemostatic device 1 to the shape of the hand H.

[0045] By configuring the outer shape of the second region 2b (the shape having the first edge 14a, the second edge 14b, the third edge 14c, the fourth edge 14d, the first chamfered portion 14e, and the second chamfered portion 14f) as described above, it is possible to obtain the effect of suppressing the glove from digging into the back of the hand H and suppressing pain, whether the glove is placed on the right hand Ha or the left hand Hb, as shown in Fig. 14. In addition, the first edge 14a, the second edge 14b, and the third edge 14c allow the first belt portion 4a, the second belt portion 4b, and the third belt portion 4c to be stably attached to the second region 2b.

[0046] As shown in FIG. 15, the belt member 4 (first belt portion 4a, second belt portion 4b and third belt portion 4c) may be attached to the second region 2b by fastening such as welding.

[0047] 16, the first direction D1 may be configured to form an angle other than a right angle with respect to the second direction D2 or the third direction D3. Furthermore, the second direction D2 may not be configured to be parallel to the third direction D3. With this configuration, for example, the first region 2a may be more easily positioned on the distal side of the back of the hand H, and bleeding may be more easily and stably stopped not only at the snuff box but also at the puncture site on the distal side of the finger (far distal).

[0048] 17, the rotation axis O of the first region 2a may be arranged parallel to any one of the first belt portion 4a (first direction D1), the second belt portion 4b (second direction D2), and the third belt portion 4c (third direction D3). In this case, depending on the configuration of the rotation mechanism 5, there may be restrictions on the positional relationship between the insertion hole of the rotation shaft 5a and the slit portion 13, for example, and it may be advantageous in manufacturing to attach the belt member 4 to the second region 2b by fastening without using the slit portion 13.

[0049] As shown in Fig. 18, the first region 2a may be provided in the center of the second region 2b. With this configuration, even if the surgeon uses the device with the second belt portion 4b and the third belt portion 4c in the reversed positional relationship, the hemostatic effect is less likely to be reduced.

[0050] As shown in FIG. 19, the arrangement of the first region 2a relative to the second region 2b can be set appropriately in accordance with individual differences in the patient's body.

[0051] The outer shape of the second region 2b may be set to a circular or elliptical shape, as shown in Figures 20 and 21. With this configuration, pain when it comes into contact with the back of the hand H can be reduced.

[0052] 22 and 23, the outer shape of the second region 2b on the first edge 14a side (the overall shape of the first edge 14a, first chamfered portion 14e, and second chamfered portion 14f) may be set to a circular arc shape or an elliptical arc shape. This configuration can reduce pain when it interferes with the back of the hand H or the wrist.

[0053] 24, the first chamfered portion 14e, the second chamfered portion 14f, and the fourth edge 14d of the second region 2b may be configured to have a concave curved shape. This configuration can reduce pain when the first chamfered portion 14e, the second chamfered portion 14f, and the fourth edge 14d interfere with the back of the hand H or the wrist.

[0054] As shown in Figures 25 and 26, the first region 2a (and the opening 10) may be set to a shape other than a circle. For example, it can be set to a triangular shape as shown in Figure 25 or a pentagonal shape as shown in Figure 26. Even when the first region 2a is set to a shape other than a circle, it is preferable that the combined thickness T of the inflation balloon 12b and the balloon 11 before inflation be equal to or less than the maximum length L of the first region 2a from the rotation axis O in a direction perpendicular to the rotation axis O when viewed from above.

[0055] 27, the rotation mechanism 5 may have two shafts 5b arranged on either side of the first region 2a and defining a common rotation axis O. With such a configuration, there is no need to provide a hole penetrating the first region 2a, which can improve the durability of the first region 2a.

[0056] The rotation mechanism 5 may be configured by embedding or adhering a rod member 5c in one of the first region 2a and the second region 2b, and embedding or adhering a hole member 5d in the other of the first region 2a and the second region 2b. The rod member 5c and the hole member 5d may be, for example, a combination of a shaft member and a bearing member (such as a slide bearing or a ball bearing). The rod member 5c and the hole member 5d may also be used by adjusting the dimensions of functions such as a plane bearing, an eyebolt nut, a cam lock fastener, an adjuster, or a one-touch pivot hinge.

[0057] The rotation mechanism 5 may be configured by fixing the first region 2a and the second region 2b with a hinge member so that the first region 2a can rotate relative to the second region 2b, without hollowing out the first region 2a or the second region 2b. For example, as shown in Fig. 28, the rotation mechanism 5 can be configured by bonding one member of a swivel hinge 16 to the first region 2a and the other member to the second region 2b. With this configuration, the rotation mechanism 5 can be fixed on a surface, achieving stable fixation.

[0058] The restricting portion 15 is not limited to the configuration shown in FIGS. 6 and 7 , and may be configured as shown in FIGS. 29 and 30 , for example. For example, the second engaging portion 15b is configured with an annular convex portion that protrudes from the outer circumferential edge (inner circumferential surface) of the opening 10 toward the rotation axis O. The annular convex portion protrudes perpendicular to the annular axis O. The first engaging portion 15a is configured with a rod-shaped protrusion that protrudes from the outer circumferential edge (outer circumferential surface) of the first region 2a in a direction away from the rotation axis O. The rod-shaped protrusion protrudes in a direction perpendicular to the annular axis O. At this time, in the first state, the protrusion that constitutes the first engaging portion 15a is disposed within the annular convex portion that constitutes the second engaging portion 15b, and the first state is maintained until a rotational force sufficient to cause the protrusion to overcome the annular convex portion by elastic deformation is applied.

[0059] 31 , the restricting portion 15 may have an insertion hole 15c provided in the first region 2a and a lock pin 15e inserted into the insertion hole 15c through a through-hole 15d provided in the second region 2b. The insertion hole 15c has a first insertion hole 15f into which the lock pin 15e is inserted in the first state and a second insertion hole 15g into which the lock pin 15e is inserted in the second state. With this configuration, the first state can be stably maintained by inserting the lock pin 15e into the first insertion hole 15f, the second state can be stably maintained by inserting the lock pin 15e into the second insertion hole 15g, and the first region 2a can be easily rotated by removing the lock pin 15e from the insertion hole 15c.

[0060] The through-hole portion 15d in the second region 2b for inserting the lock pin 15e can be provided in any position and orientation, but from the viewpoint of stable fixation, it is preferable that it extends perpendicular to the rotation axis O when viewed from above, as shown in Figure 32, for example.

[0061] From the viewpoint of preventing the ventilation member 12 from becoming caught when the first region 2a is rotated, the hemostatic device 1 preferably includes a holding member 17 that is configured to be able to hold the ventilation member 12 and is provided on the surface of the first region 2a on the side to which the balloon 11 is connected. For example, as shown in Figures 33 to 35, the holding member 17 can be configured to allow the inflation tube 12a to be detachably attached. Alternatively, the holding member 17 may be configured to allow the inflation balloon to be detachably attached.

[0062] The shape of the pressing member 3 (balloon 11) is not limited to an ellipse or a circle when viewed from above. For example, the pressing member 3 may be a polygon, a circle, a composite shape of an ellipse and a polygon, or any other shape when viewed from above in FIG. 1. The shape of the pressing member 3 can be appropriately set depending on the shape of the patient's snuff box, etc.

[0063] The arrangement of the pressing member 3 (balloon 11) is not limited to being concentric with the first region 2a in top view. For example, the expansion member 3 may be arranged in the first region so that the center of the expansion member 3 is offset in the front-to-back or left-to-right direction from the center of the first region in top view in FIG. 1. The arrangement of the pressing member 3 can be set appropriately depending on the position of the patient's snuff box, etc.

[0064] The present disclosure is not limited to the above-described embodiments, and various modifications are possible without departing from the spirit of the present disclosure.

[0065] Therefore, the hemostatic device 1 according to the above-described embodiment can be modified in various ways as long as it is a hemostatic device 1 that includes a support member 2 configured to cover a puncture site formed in a patient and having a first region 2a and a second region 2b located outside the first region 2a, and a pressing member 3 configured to compress the puncture site and held in the first region 2a, and the first region 2a can be inverted relative to the second region 2b. With this configuration, multiple uses, such as ambidextrous use, can be easily achieved by inverting the first region 2a relative to the second region 2b.

[0066] The belt member 4 is not limited to a configuration in which the second belt portion 4b and the third belt portion 4c are different lengths. The belt member 4 is not limited to a configuration in which the belt portion 4a, the second belt portion 4b, and the third belt portion 4c are included. The hemostatic device 1 may not include the belt member 4, and may be fixed with adhesive tape or the like. The ventilation member 12 is not limited to a configuration in which the ventilation member 12 includes an inflation balloon 12b. The pressing member 3 is not limited to a configuration in which the pressing member 3 includes a balloon 11. The restricting portion 15 may not be provided.

[0067] The hemostatic device 1 according to the above-described embodiment preferably includes a belt member 4 extending from the second region 2b of the support member 2 and configured to fix the support member 2 to the puncture site. With this configuration, the support member 2 can be easily fixed to the puncture site by the belt member 4.

[0068] In the hemostatic device 1 according to the above-described embodiment, the belt member 4 preferably includes a first belt portion 4a configured to be placed between the patient's fingers, a second belt portion 4b extending from the second region 2b in a direction different from that of the first belt portion 4a, and a third belt portion 4c extending from the second region 2b in a direction different from that of the first belt portion 4a and the second belt portion 4b. With this configuration, by placing the first belt portion 4a between the patient's fingers, it is possible to prevent the hemostatic device 1 from shifting in position when attaching the hemostatic device 1 to a puncture site formed on the patient's hand, thereby enabling appropriate hemostasis at a puncture site formed on the patient's left hand Hb or right hand Ha.

[0069] The hemostatic device 1 according to the above-described embodiment is preferably a hemostatic device 1 in which the second belt portion 4b and the third belt portion 4c are different in length. This configuration improves operability when fastening the second belt portion 4b and the third belt portion 4c to the wrist, allowing the surgeon to easily attach the hemostatic device 1 to the patient regardless of whether the puncture site is formed on the left hand Hb or the right hand Ha.

[0070] In the hemostatic device 1 according to the above-described embodiment, the rotation axis O of the first region 2a is preferably not parallel to any of the first belt portion 4a, the second belt portion 4b, and the third belt portion 4c. With this configuration, the rotation axis of the first region 2a and the like can be prevented from interfering with the wrapping of the belt member 4 when wrapping the belt member 4 around the puncture site.

[0071] The hemostatic device 1 according to the above-described embodiment is preferably a hemostatic device 1 in which the first region 2a is arranged so that the center of the first region 2a is shifted from the center of the support member 2. With this configuration, the hemostatic device 1 can easily align the pressing member 3 held in the first region 2a with the puncture site formed in a mirror-symmetrical position on the patient's right hand Ha or left hand Hb. Therefore, the hemostatic device 1 can easily be used with both the left and right hands. Note that the puncture site formed in a mirror-symmetrical position on the patient's right hand Ha or left hand Hb is, for example, a snuff box formed on the thumb side of the patient's hand H or a puncture site on the far distal side of the finger.

[0072] The hemostatic device 1 according to the above-described embodiment is preferably a hemostatic device 1 in which the pressing member 3 is disposed in the center of the first region 2a. With this configuration, it is possible to obtain the same hemostatic effect even when the second belt portion 4b and the third belt portion 4c are used with their positions reversed.

[0073] The hemostatic device 1 according to the above-described embodiment preferably includes a restricting portion 15 that restricts the rotation of the first region 2a relative to the second region 2b. With this configuration, the restricting portion 15 restricts the rotational positions of the first region 2a and the pressing member 3 relative to the second region 2b, thereby enabling the pressing member 3 to be stably held at the puncture site.

[0074] The hemostatic device 1 according to the above-described embodiment is preferably a hemostatic device 1 in which the first region 2a is harder than the second region 2b. This configuration makes it possible to easily fix the support member 4 to the puncture site and to obtain a stable hemostatic effect by the pressing member 3.

[0075] The hemostatic device 1 according to the above-described embodiment is preferably a hemostatic device 1 in which the first region 2a is warped in a direction that wraps around the pressing member 3. With such a configuration, the first region 2a can suppress displacement of the pressing member 3, making it possible to obtain a stable hemostatic effect by the pressing member 3.

[0076] The hemostatic device 1 according to the above-described embodiment is preferably a hemostatic device 1 having a balloon 11 as the pressing member 3, a ventilation member 12 that serves as a passage for gas to inflate the balloon 11, and a retaining member 17 that is configured to be able to hold the ventilation member 12 and is provided on the surface of the first region 2a on the side to which the balloon 11 is connected. With this configuration, the pressing member 3 can be rotated together with the first region 2a relative to the second region 2b while the ventilation member 12 is held by the retaining member 17, which makes it easier to rotate the first region 2a relative to the second region 2b for ambidextrous use, etc. [Explanation of symbols]

[0077] 1 Hemostatic device 2 Support member 2a 1st area 2b 2nd area 3 Pressing member 4 Belt member 4a First belt section 4b Second belt section 4c Third belt section 5 Rotation mechanism 5a Rotation axis 5b Shaft body 5c bar member 5d hole member 6 Front page 7 Side 2 8 1st plate part 9 Second plate part 10 Opening 11 Balloon 12 Ventilation material 12a inflation tube 12b Inflation balloon 13 Slit section 13a First slit 13b Second slit 13c Third slit 14a First edge 14b Second edge 14c 3rd edge 14d 4th edge 14e First chamfer 14f Second chamfer 15 Regulatory Department 15a First engaging part 15b Second engaging part 15c Insertion hole 15d Through hole part 15e lock pin 15f First insertion hole 15g Second insertion hole 16 Swivel Hinge 17 Retaining member D1 1st direction D2 2nd direction D3 Third direction H hand Ha Right hand Hb left hand L Maximum length O Rotation axis T Thickness

Claims

1. a support member configured to cover a first puncture site formed in a right side region of the patient, the support member having a first region and a second region located outside the first region; a pressing member configured to be able to press the first puncture site and held in the first region, the first region is reversible relative to the second region; A hemostatic device for left and right use, which can also cover a second puncture site formed on the patient's left side by the support member and compress the second puncture site with the pressing member by turning the second region in the opposite direction and further inverting the first region.

2. The hemostatic device of claim 1 , further comprising a belt member extending from the second region of the support member and configured to secure the support member to the first puncture site.

3. 3. The hemostatic device of claim 2, wherein the belt member has a first belt portion configured to be positioned between the patient's fingers, a second belt portion extending from the second region in a direction different from that of the first belt portion, and a third belt portion extending from the second region in a direction different from that of the first belt portion and the second belt portion.

4. The hemostatic device according to claim 3 , wherein the second belt portion and the third belt portion have different lengths.

5. The hemostatic device according to claim 3 or 4, wherein the rotation axis of the first region is not parallel to any of the first belt portion, the second belt portion, and the third belt portion.

6. The hemostatic device according to any one of claims 1 to 5, wherein the first region is disposed such that a center of the first region is positioned at a position offset from a center of the support member.

7. The hemostatic device according to any one of claims 1 to 6, wherein the pressing member is disposed in the center of the first region.

8. The hemostatic device according to claim 1 , further comprising a restricting portion that restricts rotation of the first region relative to the second region.

9. The hemostatic device according to any one of claims 1 to 8, wherein the first region is harder than the second region.

10. A support member configured to cover a puncture site formed in a patient, the support member having a first region and a second region located outside the first region; a pressing member configured to press the puncture site and held in the first region, the first region is reversible relative to the second region; A hemostatic device, wherein the first region is warped in a direction to wrap around the pressing member.

11. A support member configured to cover a puncture site formed in a patient, the support member having a first region and a second region located outside the first region; a pressing member configured to press the puncture site and held in the first region, the first region is reversible relative to the second region; a balloon as the pressing member; a ventilation member that serves as a passage for gas to inflate the balloon; and a retaining member that is configured to be able to hold the ventilation member and is provided on a surface of the first region to which the balloon is connected.

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