Hemostasis device

Abstract

To perform hemostasis with appropriate pressure force while suppressing unnecessary pressure onto a region other than a hemostasis object region.SOLUTION: A first finger part 110 includes a support part 111. A second finger part 140, a third finger part 150, and a fourth finger part 160 are arranged side by side to be opposed to the support part 111. The second finger part 140 includes a second opposing part 145 equipped with a first pressure sensor 146. The third finger part 150 includes a third opposing part 155 equipped with a second pressure sensor 156. The fourth finger part 160 includes a fourth opposing part 165 equipped with a third pressure sensor 166. The third opposing part 155 is constituted to press a hemostasis object region by sandwiching with the support part 111 while being positioned between the second opposing part 145 and the fourth opposing part 165. A control part adjusts the pressure force on the hemostasis object region by drive-controlling the third finger part 150 based on respective measurement values of the first pressure sensor 146, the second pressure sensor 156, and the third pressure sensor 166.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a hemostasis device. [Background technology]

[0002] A prior art document disclosing a medical compression device is JP 2020-65625 A (Patent Document 1). The medical compression device described in Patent Document 1 includes a support and fixation belt, a string-like member, a compression unit, and an adjustment unit. The support and fixation belt is wrapped around a body part and has an opening that forms a partially open shape with respect to the part. The string-like member connects both sides of the opening of the support and fixation belt and is non-elastic. The compression unit is attached to the string-like member and has a contact surface with respect to the part, and applies compression by pressing the contact surface against the part with tension applied to the string-like member. The adjustment unit adjusts the tension of the string-like member by winding and unwinding the string-like member. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2020-65625 A Summary of the Invention [Problem to be solved by the invention]

[0004] When compressive hemostasis is performed using a string-shaped member, it is not possible to prevent unnecessary compression of areas other than the area to be hemostasis.

[0005] The present invention has been made in consideration of the above-mentioned problems, and aims to provide a hemostatic device that is capable of stopping bleeding with an appropriate compression force while suppressing unnecessary compression of areas other than the area to be stopped. [Means for solving the problem]

[0006] The hemostasis device according to the present invention includes a first finger portion, a second finger portion, a third finger portion, and a fourth finger portion, and a control unit. The first finger portion is provided with a support portion. The second finger portion, the third finger portion, and the fourth finger portion are arranged side by side so as to be able to face the support portion. The control unit drives and controls the third finger portion. The second finger portion includes a second opposing portion that can face the support portion and is provided with a first pressure sensor. The third finger portion includes a third opposing portion that can face the support portion and is provided with a second pressure sensor. The fourth finger portion includes a fourth opposing portion that can face the support portion and is provided with a third pressure sensor. The third opposing portion is configured to be positioned between the second opposing portion and the fourth opposing portion and to be able to sandwich and compress a hemostasis target portion between the support portion and the third opposing portion. The control unit adjusts the pressure on the hemostasis target portion by controlling the drive of the third finger portion based on the measured values ​​of the first pressure sensor, the second pressure sensor, and the third pressure sensor.

[0007] In one embodiment of the present invention, the control unit includes a memory unit that stores a set range for each patient for the measurement values ​​of the first pressure sensor, the second pressure sensor, and the third pressure sensor, and a drive control unit that drives and controls the third finger unit. The drive control unit adjusts the compression force on the hemostasis target portion by controlling the drive of the third finger unit so that the measurement values ​​of the first pressure sensor, the second pressure sensor, and the third pressure sensor fall within the set range for each patient stored in the memory unit.

[0008] In one embodiment of the present invention, the third opposing portion is provided with a light emitting portion that irradiates an aiming light for aligning the third opposing portion with respect to the hemostasis target portion.

[0009] In one embodiment of the present invention, the hemostasis device further includes a blood leakage sensor that detects blood leakage based on image analysis or a change in electrical conductivity around the third opposed portion. Effect of the Invention

[0010] According to the present invention, bleeding can be stopped with an appropriate pressure while preventing unnecessary pressure from being applied to areas other than the area to be stopped. [Brief description of the drawings]

[0011] [Figure 1] 1 is a side view showing the configuration of a hemostasis device according to one embodiment of the present invention. [Diagram 2] 2 is a front view of the hemostatic device of FIG. 1 as viewed from the direction of arrow II. [Diagram 3] FIG. 3 is a plan view seen from the direction of arrow III in FIG. 2. [Figure 4] 1 is a side view showing a state in which a hemostasis target is being compressed by a hemostasis device according to one embodiment of the present invention. FIG. [Diagram 5] 5 is a view of the second finger portion, the third finger portion, and the fourth finger portion of FIG. 4 as viewed from the V direction. [Figure 6] 2 is a block diagram showing the configuration of a control unit provided in the hemostasis device of one embodiment of the present invention. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] Hereinafter, a hemostatic device according to an embodiment of the present invention will be described with reference to the drawings. In the following description of the embodiment, the same or corresponding parts in the drawings are designated by the same reference characters, and description thereof will not be repeated.

[0013] Fig. 1 is a side view showing the configuration of a hemostatic device according to one embodiment of the present invention, Fig. 2 is a front view of the hemostatic device of Fig. 1 as seen from the direction of arrow II, Fig. 3 is a plan view as seen from the direction of arrow III of Fig. 2.

[0014] As shown in FIGS. 1 to 3, a hemostatic device 100 according to one embodiment of the present invention includes a first finger portion 110, a second finger portion 140, a third finger portion 150, and a fourth finger portion 160, and a control unit which will be described later.

[0015] The base of the first finger portion 110 is rotatably connected to the lower portion of the spherical joint 120. A support portion 111 protruding like a platform is provided at the tip of the first finger portion 110. As shown in Fig. 3, the first finger portion 110 is rotatable in the direction of the arrow shown in Fig. 3 about the connection point with the joint 120, and is rotatable until the support portion 111 moves 180° in the opposite direction from the state shown by the solid line in Fig. 3.

[0016] As shown in Figs. 1 to 3, the second finger portion 140, the third finger portion 150, and the fourth finger portion 160 are arranged side by side so as to be able to face the support portion 111. Specifically, the second finger portion 140, the third finger portion 150, and the fourth finger portion 160 are arranged so as to face the first finger portion 110. The second finger portion 140, the third finger portion 150, and the fourth finger portion 160 are arranged side by side in this order with a space therebetween. The second finger portion 140, the third finger portion 150, and the fourth finger portion 160 are rotatably connected to the upper portion of the joint 120 via the connection portion 130.

[0017] The second finger portion 140 includes a second opposing portion 145 that can face the support portion 111 and is provided with a first pressure sensor 146. The first pressure sensor 146 detects, for example, the pulsation of a pulse on the upstream side of the shunt.

[0018] Specifically, the second finger portion 140 includes a base joint 141, a rear bone portion 142, an intermediate joint 143, a front bone portion 144, and a second opposing portion 145. The base joint 141 is supported by the connection portion 130. The rear bone portion 142 is supported by the base joint 141 so as to be rotatable relative to the connection portion 130. The intermediate joint 143 is supported by the rear bone portion 142. The front bone portion 144 is supported by the intermediate joint 143 so as to be rotatable relative to the rear bone portion 142. The second opposing portion 145 is located at the tip of the front bone portion 144 so as to be able to face the support portion 111.

[0019] Third finger portion 150 includes a third opposing portion 155 that can face support portion 111 and is provided with a second pressure sensor 156. Third opposing portion 155 is configured to be positioned between second opposing portion 145 and fourth opposing portion 165 and to be able to sandwich and press a portion to be stopped by supporting portion 111. Second pressure sensor 156 detects the pressure applied to the portion to be stopped.

[0020] Specifically, the third finger portion 150 includes a root joint 151, a rear bone portion 152, an intermediate joint 153, a front bone portion 154, and a third opposing portion 155. The root joint 151 is supported by the connection portion 130. The rear bone portion 152 is supported by the root joint 151 so as to be rotatable relative to the connection portion 130. The intermediate joint 153 is supported by the rear bone portion 152. The front bone portion 154 is supported by the intermediate joint 153 so as to be rotatable relative to the rear bone portion 152. The third opposing portion 155 is located at the tip of the front bone portion 154 so as to be opposed to the support portion 111. The third opposing portion 155 is provided with a light emitting portion 157 that emits an aiming light for aligning the third opposing portion 155 with respect to the hemostasis target portion.

[0021] The fourth finger portion 160 includes a fourth opposing portion 165 that can face the support portion 111 and is provided with a third pressure sensor 166. The third pressure sensor 166 detects, for example, the pulsation of a pulse on the downstream side of the shunt.

[0022] Specifically, the fourth finger portion 160 includes a base joint 161, a rear bone portion 162, an intermediate joint 163, a front bone portion 164, and a fourth opposing portion 165. The base joint 161 is supported by the connection portion 130. The rear bone portion 162 is supported by the base joint 161 so as to be rotatable relative to the connection portion 130. The intermediate joint 163 is supported by the rear bone portion 162. The front bone portion 164 is supported by the intermediate joint 163 so as to be rotatable relative to the rear bone portion 162. The fourth opposing portion 165 is located at the tip of the front bone portion 164 so as to be able to face the support portion 111.

[0023] Fig. 4 is a side view showing a state in which a hemostasis target is being pressed by a hemostasis device according to one embodiment of the present invention. Fig. 5 is a view of the second finger portion, the third finger portion, and the fourth finger portion in Fig. 4, seen from direction V. Fig. 6 is a block diagram showing the configuration of a control unit provided in a hemostasis device according to one embodiment of the present invention.

[0024] 4, in this embodiment, an operating button 170 and a lock button 180 are provided on a side surface of the connection portion 130. As shown in FIG. 6, signals from each of the operating button 170 and the lock button 180 are input to a control unit 190.

[0025] Specifically, when the operating button 170 is pressed, the control unit 190 starts applying pressure to the area to be stopped, and when the operating button 170 is pressed again, the control unit 190 releases the pressure on the area to be stopped.

[0026] When the lock button 180 is pressed, the control unit 190 simultaneously locks the first finger portion 110, the second finger portion 140, the third finger portion 150, and the fourth finger portion 160 to fix their positions, and when the lock button 180 is pressed again, the control unit 190 unlocks the first finger portion 110, the second finger portion 140, the third finger portion 150, and the fourth finger portion 160. In the unlocked state, each of the first finger portion 110, the second finger portion 140, the third finger portion 150, and the fourth finger portion 160 can be manually and flexibly displaced.

[0027] 5, the hemostasis device 100 according to this embodiment further includes a blood leakage sensor 158 that detects blood leakage based on image analysis of the periphery of the third opposing part 155. The blood leakage sensor 158 is provided so as to be able to capture an image of the periphery of the third opposing part, and in this embodiment, is attached to the intermediate joint 153. However, the position at which the blood leakage sensor 158 is provided is not limited to the intermediate joint 153. The blood leakage sensor 158 confirms the presence or absence of blood leakage by performing image analysis of the spread of the area where blood has seeped into the gauze placed between the hemostasis target part and the third opposing part 155.

[0028] The blood leakage sensor 158 is not limited to a sensor that checks for blood leakage by image analysis, but may check for blood leakage based on a change in the electrical conductivity of the gauze. In this case, the blood leakage sensor 158 is provided in the third opposing portion 155, and checks for blood leakage by detecting that the gauze becomes more electrically conductive due to the inclusion of blood.

[0029] 6, the control unit 190 includes a storage unit 191 and a drive control unit 192. The storage unit 191 stores setting ranges for the measured values ​​of the first pressure sensor 146, the second pressure sensor 156, and the third pressure sensor 166 for each patient.

[0030] Specifically, a medical professional wearing gloves with pressure sensors attached to the fingertips records the compression pressure applied when stopping bleeding for each patient, sets upper and lower threshold values ​​for the compression pressure applied when stopping bleeding for each patient, and stores the upper and lower threshold values ​​in memory unit 191 as setting ranges for the measurement values ​​of second pressure sensor 156.

[0031] The upper and lower limit values ​​of pressure fluctuation due to pulse pulsation during hemostasis for each patient are stored in the storage unit 191 as setting ranges for the measured values ​​of the first pressure sensor 146 and the third pressure sensor 166, respectively.

[0032] The drive control unit 192 can drive and control each of the first finger portion 110, the second finger portion 140, the third finger portion 150, and the fourth finger portion 160. The drive control unit 192 adjusts the pressure on the target portion for hemostasis by controlling the drive of the third finger portion 150 so that the measured values ​​of the first pressure sensor 146, the second pressure sensor 156, and the third pressure sensor 166 fall within the set range for each patient stored in the memory unit 191.

[0033] Specifically, by making the measurement value of the second pressure sensor 156 fall within a set range, it is possible to reproduce the compression state when a medical professional stops bleeding. By making the measurement values ​​of the first pressure sensor 146 and the third pressure sensor 166 fall within the set range, it is possible to maintain blood flow upstream and downstream of the shunt without blocking the shunt.

[0034] As described above, the control unit 190 controls the driving of the third finger portion 150. The control unit 190 adjusts the pressure on the target portion for hemostasis by controlling the driving of the third finger portion 150 based on the measured values ​​of each of the first pressure sensor 146, the second pressure sensor 156, and the third pressure sensor 166.

[0035] Here, the operation of hemostasis device 100 will be described. First, the patient's arm or the like is placed on support portion 111, and then third opposing portion 155 is aligned with the gauze while gauze is pressed against the part to be hemostasis. At this time, third opposing portion 155 can be easily aligned with the part to be hemostasis by bringing third opposing portion 155 closer to the gauze while emitting aiming light toward the part to be hemostasis by light emitting portion 157.

[0036] Furthermore, second opposing portion 145 is pressed against the upstream side of the shunt, and fourth opposing portion 165 is pressed against the downstream side of the shunt. When the alignment of first finger portion 110, second finger portion 140, third finger portion 150, and fourth finger portion 160 is completed, lock button 180 is pressed.

[0037] Next, when the operation button 170 is pressed, the drive control unit 192 drives the third finger portion 150, mainly rotating the intermediate joint 143, so that the area to be stopped is sandwiched and compressed between the third opposing portion 155 and the support portion 111.

[0038] At this time, the drive control unit 192 controls the drive of the third finger portion 150 so that the measurement values ​​of each of the first pressure sensor 146, the second pressure sensor 156, and the third pressure sensor 166 fall within the set ranges.

[0039] After the operation button 170 is pressed, the control unit 190 monitors the presence or absence of blood leakage based on an input signal from the blood leakage sensor 158. For example, if blood leakage is confirmed by the spread of the area where blood has soaked into the gauze around the third opposing portion 155, the drive control unit 192 controls the drive of the third finger portion 150 so as to increase the pressure applied by the third opposing portion 155.

[0040] When the operating button 170 is pressed again after a certain period of time has elapsed since the operating button 170 was pressed, the drive control unit 192 drives the third finger portion 150 to move the third opposing portion 155 away, thereby releasing pressure on the area to be stopped by the bleeding.

[0041] According to the hemostatic device 100 of one embodiment of the present invention, hemostasis can be achieved with an appropriate pressure while suppressing unnecessary pressure on areas other than the area to be stopped.

[0042] When compressing the femoral artery or the like, the first finger portion 110 can be rotated 180° from the position shown by the solid line in FIG. 3 so that the third opposing portion 155 and the support portion 111 are not opposed to each other, and the third opposing portion 155 can be pressed against the area to be stopped for compression.

[0043] In addition, a removable cover can be attached to the third opposing portion 155. This makes it possible to apply pressure to the area to be stopped bleeding in a clean manner.

[0044] In the above-mentioned embodiments, configurations that can be combined with each other may be combined with each other. The embodiments disclosed herein should be considered to be illustrative and not restrictive in all respects. The scope of the present invention is indicated by the claims, not the above description, and is intended to include all modifications within the meaning and scope of the claims. [Explanation of symbols]

[0045] 100 Hemostasis device, 110 First finger portion, 111 Support portion, 120 Joint, 130 Connection portion, 140 Second finger portion, 141, 151, 161 Base joint, 142, 152, 162 Rear bone portion, 143, 153, 163 Middle joint, 144, 154, 164 Front bone portion, 145 Second opposing portion, 146 First pressure sensor, 150 Third finger portion, 155 Third opposing portion, 156 Second pressure sensor, 157 Light emitting portion, 158 Blood sensor, 160 Fourth finger portion, 165 Fourth opposing portion, 166 Third pressure sensor, 170 Operation button, 180 Lock button, 190 Control portion, 191 Memory portion, 192 Drive control portion.

Claims

1. A first finger portion provided with a support portion; a second finger portion, a third finger portion, and a fourth finger portion arranged side by side so as to be able to face the support portion; a control unit that drives and controls the third finger unit, the second finger portion includes a second opposing portion that is opposed to the support portion and has a first pressure sensor provided thereon; the third finger portion includes a third opposing portion that is opposed to the support portion and has a second pressure sensor provided thereon; the fourth finger portion includes a fourth opposing portion that is opposed to the support portion and has a third pressure sensor provided thereon; the third opposed portion is configured to be located between the second opposed portion and the fourth opposed portion and to be capable of sandwiching and compressing a hemostasis target portion between the third opposed portion and the support portion, The control unit adjusts the compression force on the target portion for hemostasis by driving and controlling the third finger portion based on the measurement values ​​of each of the first pressure sensor, the second pressure sensor, and the third pressure sensor.

2. the control unit includes a storage unit configured to store set ranges for each patient regarding the measured values ​​of each of the first pressure sensor, the second pressure sensor, and the third pressure sensor, and a drive control unit configured to drive and control the third finger unit; 2. The hemostasis device according to claim 1, wherein the drive control unit adjusts the compression force of the hemostasis target portion by driving and controlling the third finger portion so that the measurement values ​​of each of the first pressure sensor, the second pressure sensor, and the third pressure sensor fall within the set range for each patient stored in the memory unit.

3. The hemostasis device according to claim 1 or 2, wherein the third opposing portion is provided with a light emitting portion that irradiates an aiming light for aligning the third opposing portion with respect to the hemostasis target portion.

4. The hemostasis device according to claim 1 or 2, further comprising a blood leakage sensor that detects blood leakage based on image analysis or a change in electrical conductivity around the third opposing portion.

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