JPS58109044A - Hemostatic apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Most clinical trials require the insertion of a catheter into an artery. Typically, the catheter is inserted through a percutaneous hole formed in the artery wall and pushed into the artery at the desired location.

The catheterization technique Iri has been used in a variety of techniques such as cardiac arteriostatic analysis, dialysis, blood gas analysis, and visualization of vessel location for xsim imaging.

Upon removal of the catheter from the artery, the perforation in the artery wall must be closed to prevent expulsion. - Due to the small size of the perforation as well as the diameter of the vein, performing sutures is both cumbersome and dangerous. Frequently, blood flow in the artery is stopped to reduce bleeding from the perforation, so that a blood clot forms at the location of the perforation and closes the opening.

With this technique, a blood clot forms and 1″1
．． • It is necessary to apply sufficient pressure to the artery upstream of the perforation site to reduce free flow, which is necessary for it to become attached. This compression averages from 10 minutes to 2
It must be applied for 0 minutes and sometimes for a longer period of time.

In the past, manual compression was applied to the artery to provide just the right amount of compression without crushing the artery, often requiring the use of both hands to apply effective compression, and It also required passionate technology.

It was also necessary for the skilled thigh to remain in place of the puncture until a blood clot formed and bleeding stopped.

There were many essential points in this h-method. Applying pressure to the wound site for such a long time is tedious, and manual pressure becomes unstable;
There was also the risk that the artery would be completely crushed due to too strong pressure. - When the pulse is crushed, thrombosis occurs in the crushed area, completely and permanently destroying the artery.
! After that, a surgical technique is required to remove this open base.

In some types of procedures, such as cardiac catheterization, which require catheterization into the femoral pulse to supply the femoral artery, there are serious risks, including collapse and subsequent amputation, which can occur over very long periods of time. Caused by cessation of blood flow. At best, thrombosis may occur or muscle spasms leading to complications may occur.

Second, it is counterproductive to keep an experienced person in the position of drilling the long vias necessary for blood clot formation. Such personnel should perform other necessary tasks. Additionally, such skilled personnel may be prevented from administering emergency care to a patient in an emergency situation.

In order to solve these problems, mechanical devices have been developed to apply pressure to the arteries to stop the bleeding. This allows employees to participate in other tasks. U.S. Patent No. 3,779.249
- shows a clamping device, which has a large disc-shaped pad attached to the end of a cantilever arm that extends over the underlying patient; The arm and pad are lowered so that after withdrawal of the catheter, the pad covers the puncture site 1 until a blood clot forms within the puncture. In use, the C-clamp device applies uncalibrated and non-uniform compression directly over the area of the puncture location to provide a single glance of origin. This pad is perforated, so in order to determine whether the origin is stagnant or western, and to observe the progress of autochthonous coagulation in the perforations.
This prevents the physician from viewing the perforation. This clamping device imparts vertical movement to the beam and pad, which movement makes adjustments to the position of the perforations difficult. Because the area of the pad covering this perforation is large, it applies compression to a substantially larger area than the artery.

Rough - Even in combination with adjustment, this large pad makes it difficult to apply precise pressure to the device, thus providing poor control of free flow inhibition. Furthermore, when using this device, a surgeon or other skilled person must be present to control the origin.

This device surpasses the method of applying pressure to the fingertips.
The effect is non-electrifying and, in fact, gives false information about safety to personnel using it.

Other devices have also been developed that have large, non-flat, flexible pads covering the catheter entry port.

As one example, U.S. Patent 3,625.21
No. 9 discloses an integrally adjustable vertical rond device.

Once installed, the pad assembly is secured with a screw clamp. A pad fixed to the distal end of the horizontal rod or arm has a clear rubber membrane clamped near a clear plastic base. Air or other fluid is injected into the dark chamber of this J1 section and the stem to spread the stem outward to apply pressure to the arterial opening. Once this pad has been made uneven to apply pressure to the perforation area,
The applied compression can be determined by observing a gauge connected to the chamber inlet. A pulsating indication of blood pressure within the artery is indicated by a pressure gauge.

□ , - However, such pressure display is not very accurate. Because the uneven pad of this device covers a large area around the artery, viewing bleeding and autologous clot formation is prevented, even though the band element is transparent. Due to the size of this pad, it takes only ms to apply a small amount of precise compression to the artery. Pressure is applied unevenly to the arteries, which may result in hematoma formation in the arteries. Furthermore, in this device too, one extra device is used to control the air introduced into the chamber as well as to control the pressure gauge. It is necessary for 4 doctors or engineers to remain close to all of them. The clamp for maintaining the compression applied to the artery by this pad is unreliable and unstable;
Therefore, the pressure applied becomes moldy, and the increase in origin is allowed.

12 uneven rose jolts are U.S. Patent 1
4,233.8901! No. 3,625,219, which also incorporates an integrally capable arm 1I411I and is attached to the distal end of the arm. It has a pillow-shaped kabbalad similar to the one given above. This C-clamp device has the same disadvantages as the above-mentioned device, and does not have any advantage over the first C-clamp device. This @HK controls the pressure applied to the artery.
14 There is no precise method for precisely controlling the restriction of free flow in an artery. Against the artery - (
There is also no way to ensure even distribution of compression.

There is also no way to clearly visualize the ms area of an artery in order to determine the volume of origin or the progress of one stage of blood coagulation. Also, this MIfLJ is steady! It is also something that requires logic.

None of the conventional devices is capable of accurately and reliably controlling the flow of 1 ml of perforation to limit perforation bleeding to produce IIJ11 products.
Not only that, but it is noted that the authors do not disclose any means for measuring turquoise in arteries.

All these devices require that the members participate in II* continuously for the time required for self-contained coagulation, thus preventing these members from taking up other tasks.

(F)U1 This invention eliminates the need for special human assistance or attended management and provides an all-percutaneous internal tube that can precisely apply the desired compression locally to the snow. To provide a hemostasis device for spontaneous control. The functionality of this device is provided by an IB flow sensing means which determines the blood flow rate and provides an output signal that can be used for signal monitoring. This free flow detection means provides an accurate indication of free flow and vessel suppression for all personnel present and does not require the constant presence of all personnel. and includes an indicator for measuring clamping pressure. This stopping device can serve as a means for displaying the systolic and diastolic blood pressures of the artery in the compression position.

A small biteable pressure pad is designed to apply steady and uniform compression across the width of the artery upstream of the perforation within the disposed area. This pressure pad is made removable for easy selection of a suitable size according to the diameter of the artery, as well as for the purpose of reducing the ampulsion. This pressure pad has a l
A sensor is provided to which a flow rate detection means is connected to accurately and quickly detect changes in blood flow within the ζ pongee.

In a preferred form, the flow rate sensing means is configured to
It provides an audible signal whose pitch, or magnitude, changes in response to changes in all. This audible signal allows all the members in this vicinity to change the blood flow in l1Ili#i, thereby displaying the presence of @peng in the mouth,
The constant 11 of this hemostasis device is resolved. The flow rate detection means may also be used in a video scanning device for visually displaying changes in blood flow in the mL flow, or in a chart recorder for obtaining a permanent record of the flow rate. can be connected.

This hemostatic device allows precise control of the origin of the perforation and can be effectively used to hasten blood clot formation upon occlusion of the perforation.

Precise control of the pressure applied to a portion of the artery provides a means for minimizing the risk of perforation while minimizing spontaneous flow in the artery.

Sensors and flow detection means in the pressure pads provide an accurate indication of the free flow within the pressure pad and thus output a signal when the same occurs. Surgical personnel or technicians must be present to take emergency action. This will quickly make you aware that something has happened.

Furthermore, an accurate means for obtaining measurements of the pressure exerted on the artery is provided to assist the user in setting up the AM to perform the SNM, and the accuracy is not compromised. Wii.

Referring to No. 111i and No. 21I, a hemostasis device 10 for inhibiting free flow in order to control the origin from a percutaneous perforation □ is schematically shown.

The mounting member, indicated generally by 11, has a horizontally extending arm 12 and a first
It is attached from the end 14 of the tool 11 to the outside of the tool 11 and supported in a scrap-holding manner. A pressure pad retaining member 18 is attached to the opposite end 16 of arm 12. Pressure pad holding part 11
8 holds the pressure pad 20 in the lower part and positions the pressure pad 20 in a lower position for engaging the blood vessels of the patient lying thereunder.
0 is placed upstream of the perforation and applies a compressive force to the self-administration to suppress free flow within the blood vessel and suppress bleeding from the perforation. □ As shown in item 111, the pressure pad 20 includes a sensor 21 for detecting the intravascular flow rate. In a preferred form, the sensor 21 is capable of acting as an ultrasound signal generator and a Doppler transducer to transmit ultrasound signals into blood vessels and detect their reflected signals or echoes. The echo signal frequency is based on the Doppler effect produced by the flowing blood @G-, and will be different from the same wave number of the original signal.The sound signal and the reflected signal The difference in frequency is
To calculate blood flow rate, as well as blood flow and ma
It can be used to provide an output signal corresponding to a change in t. This signal generator and replacement 1B connects the sensor 21 to I
It is injected into the epoxy material for the I-place. The sensor 21 is placed in a small recess formed in the center of the surface 22 of the pressure pad 20, which is attached to the bottom. has been done. The sensor 21 & is flush with the l122 of the pressure pad 20 or is recessed approximately 1-2- to produce the strongest output signal in response to the pulsating flow of internal fluid.

The degree of placement of the sensor 21 with respect to the member 22 is selected so that the output signal of the sensor is maximized.

However, the sensor 21 may be a device that utilizes the optical Doppler effect, a transducer for an optical blood sac meter, a transducer for an impedance meter, a magnetic device for a magnetic flow measurement technique, etc. "self-flow" L or other non-1IlI flow detection means. All of the above-mentioned sensor devices are well known in the art and measure the blood flow rate through the snow very accurately.

The output signal provided by this sensor is
3 to a signal processing device, generally indicated at 24, which analyzes the output I@ from the sensor 21 and outputs the output m from the sensor 21, preferably in response to changes in blood flow within the blood vessel. to generate a signal that varies in pitch or magnitude. The ultrasonic sensor 21 and signal processing described herein for measuring the Doppler effect in response to blood flow]l! Device 24 is well known in the medical field.

Such devices, which function well within the hemostasis device 10, are manufactured by Park Electronic Laboratories, Beepelton, Oregon.
A1-aboratorles) under model numbers 812 and 841.

However, the second output signal may be directed to a video display to provide a visual representation of changes in the rate of fluid flow and blood flow within the blood vessel, or to a chart recorder providing a permanent record of the flow rate within the blood vessel. You may be guided by

The pressure pad 20 is sufficiently hard to apply pressure to the blood vessel. Surface 4! vinegar. Approximately diyuk shape. P.

- It is. The size of the pressure pad 20 is selected such that the width of the pressure pad is chosen to be equal to the width of the vessel to be compressed. If the size of the pressure pad 20 is appropriate, the self-flow will apply pressure only in ms to the ll1lI& blood vessel, and will not apply pressure to the surrounding am+ region. By optimizing the size of the pressure pad 20, it is possible to precisely control autoflow suppression, and to prevent the occurrence of the same amount of Ilk syndrome caused by excessive pressure on the inner canal. The pressure pad 20 can be accurately positioned. The pressure pad 20 may be removable from the retaining member 18 and may be made disposable.

In addition, the compression applied to the blood vessel by the pressure pad 20 can be precisely controlled by adjusting the tourniquet weight 10 to accurately limit the free flow. The fl bud retaining member 1B is stepwise adjustable by means of a detent pin 28 disposed through the 7-mm 12, which engages one of the return holes 29 in the retaining member 18. It is made to be. The first stepwise adjustment allows for a large stepwise adjustment ii* of the pressure pad retaining member 18 relative to the distal end of the arm 12, relative to which a large stepwise adjustment of the positioning of the pressure pad 20 with respect to the artery to be compressed is possible. A pressure pad retaining member 18 is mounted to allow adjustment.

In addition to the stepwise adjustment, in order to determine the exact desired pressure to be applied to the artery and to suppress the blood pressure in the artery exactly by the desired amount, a subsequent stepless cavitation section, generally indicated at 30 mm, is used. , is used to adjust the precise slight deviation of the pressure pad 20. Preferably, the fine adjustment section 30 using the screw k is arranged so that the arm 12 and the pressure pad 20 are adjusted relative to the compressed blood vessel.
and by a fine thread 32 which moves the retaining member 18.

Display device 39 displays the compression applied to the blood vessel by pressure pad 20. The device includes a pressure gauge 40 attached to the positive image device 10 that is responsive to the pressure exerted by the pressure pad 20 on the artery. However, this display may also be an electrical pressure sensing device to display the pressure applied to the artery, and a second
It may also be a means for displaying the autostatic pressure within the artery (not shown), as represented by a display gauge 41.

In a preferred embodiment, hemostatic device attachment structure 11 includes a substantially planar base 44 having a pair of elongated cylindrical support members 46 attached thereto and extending upwardly therefrom. The lower end 48 of the support member 46 is engaged and retained by a cap 50 to maintain stability. The main body part @52 has a layer on this support member.
As shown in the first diagram, the bearing member such as a single part 54 using a ball bearing allows it to vibrate along with the bearing member in the longitudinal direction.

The ring screw 32 is rotatably attached to the cap 50, and allows rotation of the screw, and at the same time allows the screw to rotate.
0 and the support member 46 in the longitudinal direction. 9 screws 32 extend through body member 52 and provide substantially sumless fine adjustment of body member 52 relative to support member 46 and base 44 . surgeon and technique wiii
A handle 56 is provided at the upper end of the screw 32 above the cap 50 so that the screw 32 can be easily turned.

The pressure pad holding part @18 is an arm 1 extending in the horizontal direction.
The end 16 of the arm 2 (attached and vertically movable with this arm; the retaining member 18 is
It may be moved vertically to a selected position provided by a detent pin 28 that engages one of a number of return holes 29 formed in the retaining member 18. The holding member 18μ is prohibited from any movement other than vertical movement relative to the support arm 12. A leg 70 is provided at the lower end of the support member 18 to which the pressure pad 20 is abutted. As shown in FIG.
It protrudes from the center-to-center lower 2 formed through the center. This 1170 functions as a piston for moving the fluid or air contained within the central opening to the open lower 2 at the upper end of the retaining member 18. This pressure gauge 40 is
It is attached to the upper opening and indicates the opening for the end of the holding part @ 18 of the pressure pad 20, and this pressure pad 2
The biasing means (II not shown) is centered so as to move the leg 70 and the pressure pad 20 away from the holding s@18, which corresponds to the pressure or contact force exerted on the snow. It may also be positioned within the lower 2.

A pair of rotating plates 58 are attached to the body member 52 by printing bins 60, one plate 5B being on one side of the body parallel to the plane passing through the support member 46. In the front position, the printing bottle 60 is positioned via the main body member 52 and the rotating plate 58, and when the printing bottle 60 is immersed, the plate '58 moves around the plate 5 around the printing bottle 60.
It is possible to act as a counterweight against the rotational movement of 8. A slot 62 is formed generally horizontally and longitudinally through each plate 58 for receiving a beam 12 cantilevered outwardly therefrom. Each arm 12 is movable relative to the rotating plate 58 within a slot 62 and has a fixed bridge 1! at each end 16! Provides horizontal adjustment to i10. Arm 1
2 are held in the desired position by set screws 64 on each plate. A place 66 is provided at the distal end 16 of arm 12 for aligning and supporting it.

Lever 74 and adjacent linkage shown at $1311
76 extends around the hinge bin 6o through the rotating plate 58 within the retaining member 18 and the pressure pad 2.
During zero rotational movement, the body member 52 and the rear end of the rotary plate 58 are connected.The lever 74 is
It is rotatably attached to the main body 52 by a pin 53. Link 76 is connected to lever 74 by pin 55 and to rotating plate 58 by pin 57.

The lever 74 further applies 1,1111f1 of compression applied by the pressure pad 2° to the internal position and the 4th a
By simply moving lever 74 to rotate arm 12 and pressure pad 20 upwardly and outwardly (as shown in FIG. do.

In use: III, the hemostatic device 10 is placed adjacent the patient and the arm 18 and pressure pad 20 are rotated upwardly. The base 44 is positioned above the entrance into which the artery into which the catheter is to be catheterized extends (by the body part extending in the direction of the 7-m 18 and the pressure pad 20). Prior to the start, the hemostasis device 10 is adjusted to a position for applying pressure to the heel.

A pressure pad 20 is preferably placed at a location upstream of the portion into which the catheter is inserted, so that the perforation into which the catheter is inserted prevents the formation of autocoagulation and autoembolism.
A clear tWO can be performed by the attending surgeon.

This adjustment method is achieved by rotating and lowering the arm 18#J and the pressure pad 20 until the lever 74 that guides the rotational movement of the rear end reaches the lock position, as shown in No. 4IlI. Ru. Horizontal adjustment of the pressure pad 20 for proper positioning of the pressure pad above the homestead is accomplished by swinging the arm 18 against the rotating plate 58 and turning the set screw 64 to hold the arm in position. This is achieved by locking. This pressure pad retaining member 18 is then vertically adjusted to the desired return position 29 in order to place the pressure pad 2o in close proximity to the blood vessel whose flow is to be restrained. The fine adjustment screw 3o is then used by rotating the handle 56 above the cap 5o on the top of the support member 46 to lower the pressure pad 2° into self-engagement.

Preferably, the surgeon or technician adjusts the pressure reading on the pressure gauge 40 until the desired compression is achieved without breaking **. Handle 5 to listen to the Ikml last indication given by the audio output signal
6 is rotated.

Once adjusted, move the wound upward and outward 7-
The release lever 74 can be moved to rotate the system 18 and the pressure pad 2o so that the catheter can be inserted.

When the catheter insertion procedure is severe and the catheter is withdrawn, the tIi flow within the blood vessel is controlled by moving the lever 74 to the locking position to rotate the pressure band 20 into contact with the blood vessel in a pre-adjusted position. And in order to control the origin f@ in the drilling, the pressure pad 20 is adapted quickly and precisely. Once again, a lecture consisting of matome screws.
By using the 5ao, fine adjustments may be made to add a calibrated force for w4m **intravascular, once the exact adjustment is made, the surgeon and technician can adjust the value. It is possible to carry out the necessary work of the blood flow, and on the other hand, it is possible to pick up the blood flow pulses detected by the blood flow sensors 2,1 and generated as an audible signal by the signal processing unit W124.

An important feature of the invention is that it can always be ensured that the flow of blood within the vessel is kept to a minimum. Any change in the blood flow within the blood vessels will be immediately apparent to those in the vicinity due to changes in the sound provided to the signal processing SI device 24. Emergency action is then taken immediately. However, these personnel usually do not know anything about hemostasis other than - listening to the signals emitted in response to free flow through the pulse! A wife, etc., without doing anything reasonable? ■I can continue doing things.

In the event of an emergency, hemostatic device 10 allows pressure pad 20 and arm 12 to be rotated upwardly by simply releasing lever 74, thereby allowing removal of hemostasis device 10 from the patient. can.

FIGS. 5-7 illustrate twelve preferred embodiments of a hemostatic device W198 that includes a 1n111 sensor 21. FIGS. First, the fifth
With reference to III, when the hemostatic device 98 is used to assist in hemostasis, during the post-operative period, for positioning the hemostasis device 98 with respect to the body of the patient. A support plate 100 having a slightly curved portion 102 is provided.

A flat portion 104 is provided at one end of the support plate 100, and a bracket 106 is provided on this portion 104.
are attached by suitable means such as welding or screw fasteners as are well known in the art. The upright support member 108 is rotatably attached to the bracket 106 by bolts or hinge pins 112 and allows rotational movement both toward and away from the support plate 100. Flat lower end 11 of support member 108
0 is the distance between the upright support member 108 and the support plate 100.
It is rotatably attached to the bracket 106 by a pin pin 112 so as to provide rotational variation. The flat end 110 of the support member 108 has an arcuate slot 11
4, and the port 116 with the vane connects the support member 108 to the support plate 100 through this slot.
- Extends to control. The vane ports 116 & t-slots 114 and fit into the bracket 106 so that when tightened, the cabinet between the bracket 106 and the support member 108 is aligned to hold the support member 108 in the desired rotational position. The vane port 1 so as to give a binding engagement.
16 will apply a pressure ring force between the flat portion 110 of the support member 108 and the bracket 106.

The upwardly extending portion 120 of the support member 108 is entirely shaped like a circle I.
It is I-shaped. Preferably, support member 108 comprises a hollow cylindrical tube whose lower end is flattened and machined to give the desired shape. Attaching the block 122 to the upper portion 1 of the upright support member 108
20. The mounting block 122 is attached to the cylindrical upper portion 120 of the support member 108.
This includes a hole 124 having a diameter slightly larger than the diameter of
through the hole 122 in the block 122 and mounted on the upright shaft for essentially non-flexible support.
22 to provide sufficient stiffness. The positioning configuration of the block 122 when mounted on the support part @ 108 consists of a pair of arms 12
6 of the coarse adjustment, the pair of 7-mes extending above the wound location.

A pair of 7-memories 126 are #LWk and are mounted in a shoulder-held manner, &7. ．． ．． Extending from block 122 in a closed relationship. The arms 126 are mounted in engagement recesses 129 formed on both sides of the block 122, as shown in FIG. Arm 126 is mounted within recess 128 by a threaded fit 5130. The vane screw 131 is adapted for engagement with the upright support member 108 so that the attachment to the support 101 108 controls the movement of the block 122 and the attachment holds the block 122 in an adjusted position on the upright support member 108. The installation is at the Sekiguchi end 132k1 of the block 122.
By loosening the blade screw 131 passed through the block 12, the supporting member 108 can be installed along the longitudinal direction of the block 12.
The mounting of the support member 108 about the axis and the rotation of the block 122 can easily move the 7-arm 126 in contact with or away from the pulse.

The pressure pad holding member 134 is fixed to the arm 126 in a manner that it can be inserted freely. Referring to FIG. 7, holding member 13
4 includes a block 136 having a substantially rectangular Ii surface. The block 136 has a 7-piece structure to facilitate engagement vibration.
- It is sized so that it has a slightly smaller width than a 126-inch air conditioner.

The block 136 is located on the arm 126- with lips 138 projecting from the lower portion on each side of the block 136 for engaging the lower edge 140 of the arm 126-. Block 13 above the upper surface of the protruding lip 138
The height of the arm 126 is slightly lower than the height of the arm 126. 7-arm 12 for circumferential movement along the length of arm 126;
Block 1 to capture 10 pieces 136 at 611
36 is inserted into the arm 12611, an elongated plate 142 having a slightly wider but same length block 136 is fixed to the upper part of the block 136 by a screw fastener 144. The plate 142 is attached to one end by a screw fastening part, and the spacer 1
46 from the upper S* surface of block 136 so that the upper surface of projecting lip 138 and plate 14
The distance between the lower surface of 2 and the lower surface is 43 mm for easy sliding
! It is slightly larger than the length of the protruding arm 126. A screw 148 extends through the plate 12 at the mouth end and is threaded into the block 136 so that when the screw 148 is tightened, the plate 142 is attached to the block 12.
The upper surface 111 of the protruding lip 7138 is offset in the direction of 36.
41 and the lower part a of the plate 142 to reduce the gap between the lip 138 and the plate 142.
Give power to 6. The frictional engagement of arm 126, plate 142 and block 136 maintains pressure pad retaining member 134 in the adjusted position. Thus, adjustment of the position of pressure pad retaining member 134 may position pressure pad 125 directly above the artery of the selected vehicle weight. The converter 125 includes a sensor 21 of the type discussed with reference to FIG.

With continued reference to FIG. 7, pressure adjustment member 150 includes a cylindrical pedestal 152 for attaching pressure pad 125 to block 136. The pressure adjustment unit 1150 includes a tubular member 154 that is pushed into the opposing hole 156 in the block 136, and this tubular member 1i4
arms 126&: are positioned in a vertical relationship. The pedestal 152 has a passage 15 inside the tubular member 154.
8 and for positioning the pedestal 152 to support the pressure pad 125
56 and a gripping hole 160 formed in block 136 coaxially with
penetrates through. The pedestal 152 and the hole 160 formed in the block 136 are movably fitted, so that the pedestal 152 can slide within the block 136.

The top of the pedestal 152 has a large cylindrical portion 161 with a slightly smaller diameter than the inner passage 158 of the tubular member 154, and the pedestal 1
52 continues to guide the sliding engagement of the upper portion 161. A spring 164 is positioned above the pedestal 152 to apply a force to the pressure pad 152 through the pedestal 152 to apply compression to the artery on which the pressure pad 125 is disposed.

Spring 164 in a desired vertical position within tubular member 154
In order to determine the position and W of the upper surface of the upper spring seat 168,
It is located above the spring 164.

An end cap 166 is threaded onto the top end of tubular member 154. Screws 170 connect end cap 166
The lower end S of the screw 170 engages the upper movable member 108 to position the upper movable member 108 in a desired position within the tubular member 154 . Spring 170 compresses spring 164 so that IQ16
4 will apply force to pedestal 152 and pressure pad 125. Therefore, when the screw 170 is turned one turn and screwed into the end cap 66, the upper spring seat 168 is turned into a tubular shape to apply more pressure on the pedestal 152 and pressure pad 125 (to compress the spring leaf 64). The pressure butt 1 is lowered within the member 154 by adjusting the screw 160 to control the compression of the spring 164.
-W&- placed below 25 allows the pressure to be applied to be finely adjusted steplessly.

The tubular member 154 includes a support 172 located between the upper and lower ends of the tubular member 154.
Through this an enlarged portion 161 of the pedestal 152
can be observed. A calibration scale 174 is provided in close proximity to 11172 so that the pressure exerted by the pedestal 152 can be ascertained by observing the position of the magnified portion 161 relative to the calibration scale through the window 172.

Pressure pad 125 is attached to the top of pedestal 152 and can be configured in various sizes to match the diameter of the artery in which free flow restriction is desired.

Referring to FIG. 8, the lower portion of pressure pad 125 has a generally cylindrical shape;
The edge 184 of the ridge 88 may be slightly curved to avoid abutting the sharp edge against the patient's body.

5, 6 and 8, the hemostatic device 98 preferably includes a light emitting indicator 182 connected to the sensor 21 within the pressure pad 125. Referring to FIGS. In order to visually indicate whether the pressure pad 125 is present on the artery or not, and to indicate the flow rate of blood in the artery (a luminescent indicator 182 lights up in accordance with the pulsating flow of blood, the luminescent indicator 182 First, the pressure pad 125 above the plow fog.
torture to show the leaky arrangement of and blood am
The light remains on when the pressure pad 125 is in pressure contact with the layer. The light emitting indicator 182 is the pressure pad 1
25 has been removed from the artery, or the free flow within the blood vessel has stopped, which indicates that excessive pressure exists between the pressure pad 125 and the heel 1. (Stop lighting.

The self-sensitivity sensor 21 is connected to the hearing device 11 by a pair of wires 180. The audible signal control device 179 includes a signal processor *@* <not shown in the 8th II, as described with respect to the 11th II and the 2nd Ill. Adjacent - free current in the layer, )ats, -ffiU
rt'yf agure. ;,. □. .

Generate audio output.

With reference to ll511 and ll6m1, hemostasis device 9
B is l! to the output of the sensor 21. The radio transducer 190 includes a low-ratio radio transducer 190 connected thereto. This transducer 190 may preferably be attached to the audio signal control device 179. The W1190 outputs a low power radio signal which is transmitted by a portable receiver (not shown) several feet away from the W1190, such as in a hospital room adjacent to the room where the W198 is being used. Accepted and rejected. Preferably, the receiver converts the radio frequency signal into an audio signal. Thus, the conversion 1190 allows the hospital's large circle to monitor the progress of hemostasis without having to be with the patient.

Table 1 shows the height, weight and hemostasis fill for the 21 patients tested for this invention.

A conventional catheter should be used in patients with normal blood clotting rates.
11-9 and patients 11-14. Patient 1110's blood clotted at only 29% of the normal theoretical clotting rate. Therefore, the time of hemostasis for this patient 1 is the time of hemostasis for a patient whose blood clots at a normal rate.
l4g! The hemostasis time was longer than the typical value of 10 minutes. Stopping bleeding with a fist 110 is extremely difficult using conventional methods, and requires constant supervision by an expert. For patients 15 to 21, insert a catheter with a larger diameter than the catheter used for patients 1 to 14! He had undergone a third round of Yusei plastic surgery. Of the group of patients who underwent self-administered plastic surgery, only patient 20 showed abnormally long hemostasis. 111120 had been given 10,000 units of heparin to prolong the time to hemostasis.

Although this invention has been described in detail with respect to specific implementations, modifications may be made within the scope and spirit of the invention. The invention is therefore limited only by the appended claims 11G.

1111& (2,54 CI), and the bond is 0.453 KIJ.

[Brief explanation of the drawing]

Figure 1 shows pressure pad holding 1! FIG. 1 is a front perspective view of a hemostasis @ stomach with a first flow detection means shown with a cutaway. lI2111 is a hemostatic @ gastric posterior oblique *ai with free flow detection means. The third IQ is to hold the arm in a shoulder-carrying mode.
FIG. 3 is a diagram showing a lever and a link mechanism for rotating. FIG. 4 is side 11il11 of the hemostasis device showing the pressure pad and support arm in the up position. FIG. 5 shows the hemostasis prjA of the second embodiment of the hemostasis@animal according to the present invention. 6 is a front perspective view of the apparatus of FIG. 5; FIG. FIG. 7 is a cross-sectional view taken along line 7-7 in FIG.
1 is a top view of a pressure pad and a light-emitting indicator; FIG. In the figure, 10 is a hemostatic device, 11 is a fixation structure, 12 is an arm, 18 is a pressure pad holding member, 20 is a pressure pad, 21 is a sensor, 30 is a screw adjustment part, 32 is a threaded screw,
39 is a display position, 40 is a pot pressure gauge, 41 is a second display gauge, 46 is a cylindrical support member, 52 is a main body member, 54
is a bearing member, 58 is a rotating plate, 60 is a hinge bin, 64 is a set screw, 74 is a lever, 76 is a link IIIIII1198 is a hemostatic device, 100 is a support plate, 102 is a curved part, 104 is a flat part, 106 is a racket , 108 is an upper support mu, 114 is an arcuate slot, 116 is a wing bolt, 122 is a mounting 10 screw,
150 is a pressure regulator, 152 is a cage-shaped hetestal, 1
79 [ is a voice output IJIliill, 182 is a light emitting indicator, and 190 is a transmitter. Patent applicant: Barbinder Sahota Attorney: Kube Fukami (
2 people), 1:. :: ・L engineering 41ri 4

Claims (12)

[Claims] (1) In a hemostasis device that suppresses the flow of blood in a blood vessel, the attachment is a tool; the attachment is an arm that is easily attached to the body;
a pressure pad attached to the arm to apply pressure inside the blood vessel; and a sensor attached to the pressure pad to detect self-flow in the blood vessel, the sensor detecting the flow rate of heavy fluid in the blood vessel. and providing an output signal responsive to the flow rate. (2) The hemostasis device according to claim 11, wherein the blood flow sensor generates an ultrasonic signal, and the output signal is characterized by utilizing the Doppler effect generated by the autosit &:. (3) The patent further comprises an audio I@ generator connected to the output signal of the sensor for generating an audio signal that changes in frequency and magnitude in response to changes in the flow rate of blood flowing within the blood vessel. 183. The In compound device according to claim 1 or 182. (4) further comprising a signal processor for providing a second output signal in response to the output signal of the sensor;
4. A hemostatic device according to any one of claims 1 to 3, wherein the output signal indicates a change in flow rate in ml. (5) further comprising a device for adjusting the force applied to the blood vessel by the pressure pad, thereby
5. A hemostatic device according to any one of claims 1 to 4, wherein the flow of lli can be controlled. (6) The in@gastric device according to claim 11IH*5, which includes a pressure indicator for displaying the force applied to the blood vessel by the pressure pad. (7) The hemostasis device according to any one of claims 111 to 6, wherein the arm is attached to the attachment device in a cantilevered manner. (8) The correct image @W1 according to claim 7, wherein the arm is attached to the tool so as to be able to rotate once.
゜ (9) A lever and link arrangement controls the rotation of the arm with respect to the attachment.
The normal image device described in Section 1. − (10) The hemostasis device according to any one of claims 1 to 9, further comprising a visible indicator that displays a change in the flow of water flowing within the self-canal. (11) The stop Ik device according to any one of claims 1 to 10, further comprising a support plate and a support member rotatably attached to the support plate. (12) an arm is attached to the support member;
12. The hemostasis device of claim 11, wherein the arm is slidable along the support member and rotatable about the forepart support member.