CN210301105U - Emergency internal medicine department is with hemostasis device - Google Patents

Abstract

The utility model relates to a hemostasis device for emergency internal medicine, which comprises a first tube, a second tube and a valve, and is characterized in that the hollow part of the first tube is constructed into a structure of a first tube cavity capable of guiding blood, and the hollow part of the second tube is constructed into a second tube cavity for storing coagulant; the first lumen is defined by a tube wall including a first opening at a distal end of the first lumen and a second opening at a proximal end of the first lumen; the second lumen is at least capable of receiving at least a portion of the first tube such that the second tube is movably coupled to the first tube in a manner that allows release of the clotting agent when the second tube is extended out of the first tube; the valve is selectively movable between an open configuration and a closed configuration. The blood coagulation agent is released at the blood vessel opening to close the blood vessel opening, so that the hemostasis work can be performed quickly and efficiently.

Description

Emergency internal medicine department is with hemostasis device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a hemostasis device for emergency internal medicine department.

Background

The utility model relates to the technical field of medical equipment, especially, relate to a hemostasis device for emergency internal medicine department. It is known in the art to provide access to arteries for some medical procedures through a catheter introducer. Such as arterial catheter implantation and peripheral vascular surgery. After such a medical procedure, the catheter introducer needs to be removed from the access site, thereby leaving the artery open. Blood is discharged from the arterial opening. Excessive blood loss may compromise the life safety of the patient or cause medical trauma. The currently known method of controlling blood loss is the direct application of artificial pressure at the opening of the artery. The bleeding stopping method can cause the phenomenon that the patient bleeds and is red and swollen due to overlong pressing or uneven pressing of the doctor, and the labor intensity of the doctor is increased.

The method has mature application in the technical field of medical treatment for the connection mode of the tube cavities with different tube diameters. For example, chinese patent No. CN208852145U discloses a venous indwelling needle, which comprises a puncture needle, an indwelling catheter, a needle holder, a hydrops chamber, an extension tube, a needle holding handle, an isolation plug and a needle holder plug; the indwelling catheter is connected with a liquid medicine output port at one end of the needle seat; the isolating plug is arranged in the inner cavity of the needle stand; the dropsy cavity is arranged at the position of the inner cavity of the needle stand close to the liquid medicine output port, the dropsy cavity is in a wheat ear shape, the liquid outlet of the dropsy cavity is connected with the liquid inlet of the indwelling catheter, and the liquid inlet of the dropsy cavity is connected with the liquid outlet of the extension tube; the needle seat plug is connected with the tail end of the puncture needle, the needle seat plug is in threaded connection with the tail of the inner cavity of the needle seat, and the needle tip of the puncture needle penetrates through the isolation plug, the needle seat and the hydrops cavity and then penetrates out of the indwelling catheter through the liquid medicine output port; the needle holding handle is connected with the tail end of the needle base, and the extension tube extends out of the needle holding handle and is connected with the needle holding handle into a whole.

For example, chinese patent No. CN109663172A discloses a jugular vein puncture indwelling needle, which comprises a catheter assembly and a needle tube assembly connected with each other, wherein the catheter assembly comprises a catheter holder and a catheter fixed at the distal end thereof for infusion, the needle tube assembly at least comprises a needle tube holder and a needle tube, the proximal end of the needle tube is fixedly arranged in the needle tube holder, the distal end of the needle tube penetrates through the hollow interior of the catheter and extends out, a detecting device is movably arranged in the needle tube, and the distal end of the detecting device can penetrate through the hollow interior of the needle tube and extends out to determine that the needle tube and the catheter have extended into a blood vessel.

For example, chinese patent publication No. CN206391232U discloses an interventional blood vessel hemostasis device, which includes a hollow sheath tube, a push rod, a suture, and a fixed blocking piece and a movable blocking piece that can be used for clamping the blood vessel wall, wherein the suture, the fixed blocking piece and the movable blocking piece are made of degradable materials, the push rod, the fixed blocking piece and the movable blocking piece can move in the hollow sheath tube, one end of the suture is fixed at the middle position of the fixed blocking piece, the other end of the suture passes through the through hole at the middle position of the movable blocking piece, and the movable blocking piece can move on the suture. The invention can stop bleeding for puncture in interventional operation without pressing blood vessel with finger.

However, the hemostasis device mainly performs hemostasis in a suture mode, the opening cannot be closed quickly and accurately to perform hemostasis in emergency treatment, and in addition, the propulsion degree of the device cannot be positioned in the using process, so that medical injury is easily caused.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the present invention provides a hemostatic device for emergency internal medicine, comprising a first tube, a second tube and a valve, wherein the hollow portion of the first tube is configured as a first lumen for guiding blood, and the hollow portion of the second tube is configured as a second lumen for storing blood coagulant, wherein the first lumen is defined by a tube wall, and the tube wall comprises a first opening at a distal end of the first lumen and a second opening at a proximal end of the first lumen; wherein the second lumen is configured to receive at least a portion of the first tube such that the second tube is movably coupled to the first tube in a manner that allows release of the clotting agent when the second tube extends out of the first tube; wherein the valve is selectively movable between an open configuration and a closed configuration, the valve enabling the second opening to be at least partially closed when the valve is adjusted to the closed configuration, the valve enabling the second opening to be at least partially open when the valve is adjusted to the open configuration.

According to a preferred embodiment, the hemostatic device comprises a housing and a drive mechanism housed within the housing, wherein the housing comprises a cavity sidewall defining a cavity, the drive mechanism comprising a first carriage movable between a distal end of the cavity and a proximal end of the cavity, the first carriage being connected to the second tube such that the first carriage moves between the distal end of the cavity and the proximal end of the cavity in a manner enabling the second tube to move between the closed configuration and the open configuration.

According to a preferred embodiment, the first bracket comprises a peg, and the rotation mechanism is adapted to receive a first helical groove of the first peg, such that when the first peg is mated with the first helical groove, the first bracket is coupled to the rotation mechanism.

According to a preferred embodiment, the first helical groove comprises a first section extending helically around the central axis of the shaft and a second section surrounding the shaft; when the rotating shaft rotates, the first pin moves in the first section in a rotating mode, so that the first bracket is driven to move longitudinally between the far end of the cavity and the near end of the cavity relative to the rotating mechanism; with the first peg in the second section, such that the first bracket is longitudinally stationary relative to the rotation mechanism.

According to a preferred embodiment, a movable second carrier is provided within the cavity defined by the first carrier and the spindle, wherein the outer surface of the second carrier has a second helical groove conforming to the shape and size of a second peg extending from the inner surface of the spindle, the second helical groove extending helically around the central axis of the second carrier from the proximal end of the second carrier to the vicinity of the retaining peg in the same direction as the first helical groove; when the rotating shaft rotates, the second bolt moves in the second spiral groove in a rotating mode, so that the second bracket moves longitudinally relative to the rotating mechanism.

According to a preferred embodiment, the second carriage is connected to a plunger housed within the second lumen such that the plunger is longitudinally movable relative to the second tube in the same direction as the second carriage.

According to a preferred embodiment, the hemostatic device includes a first retaining mechanism including a keyway defined in an outer surface of the first housing that is sized to mate with a third peg extending from an inner surface of the housing, wherein the keyway extends longitudinally along the outer surface of the first housing, and the third peg moves between a distal end of the keyway and a proximal end of the keyway such that the first housing remains rotationally fixed while moving longitudinally relative to the housing.

According to a preferred embodiment, the hemostatic device comprises a second retaining mechanism comprising a retaining groove defined in the second bracket inner surface sized to mate with a retaining peg extending out of the second bracket outer surface, wherein the retaining groove extends longitudinally along the first bracket inner surface; thereby causing the insertion mechanism to move between the distal end of the retention slot and the proximal end of the retention slot without rotating relative to the first bracket.

According to a preferred embodiment, the first tube is at least partially defined by a plug, the plug is defined by a cone, and the plug is made of a flexible material.

According to a preferred embodiment, a third tube is positioned radially between the first tube and the second tube, the third lumen being configured to direct blood such that blood passing through the third lumen is confined between the third tube and the first tube; the third lumen is in communication with a first aperture through the plug and a second aperture through the housing such that blood may enter the third lumen through the first aperture and may exit through the second aperture.

The utility model provides a hemostasis device for emergency internal medicine department pierces the blood vessel opening through the hemostasis device of a pipe form to go out release coagulant at the blood vessel opening, thereby closed opening stanchs, and the plunger that removes the second lumen simultaneously reduces required time through the discharge in order to promote coagulant. In addition, the position of the discharged blood of the second opening and the position of the plug can be used as a position indication of the hemostasis device during operation, and the problem that the propulsion degree of the device cannot be positioned in the using process in the prior art is solved, so that the opening can be quickly and accurately closed to stop bleeding.

Drawings

Fig. 1 is a schematic structural view of a hemostatic device for emergency internal medicine provided by the present invention;

fig. 2 is a cross-sectional view of a distal portion of a hemostatic device provided by the present invention in a closed configuration;

fig. 3 is a cross-sectional view of a distal portion of a hemostatic device provided by the present invention in an open configuration;

fig. 4 is a cross-sectional view of a proximal portion of a hemostatic device provided by the present invention in a closed configuration;

fig. 5 is a cross-sectional view of a proximal portion of a hemostatic device provided by the present invention; and

fig. 6 is a cross-sectional view of a proximal portion of a hemostatic device provided by the present invention in an open configuration.

List of reference numerals

100: the hemostatic device 110: first tube 120: second pipe

130: distal end 140: proximal end 150: length of pipe

160: the first lumen 170: pipe wall 180: first opening

190: second opening 200: valve 210: distal portion

220: proximal portion 230: sidewall opening 240: second lumen

250: coagulant 260: second side wall 270: plug-in plug

280: distal portion 290: proximal vertex 300: proximal section

310: interface 320: proximal vertex 330: shell body

340: the driving mechanism 350: cavity sidewall 360: hollow cavity

370: first bracket 380: distance range 390: rotating mechanism

400: the rotating wheel 410: rotating shaft 420: first helical groove

430: the first section 440: second section 450: first holding mechanism

460: the key groove 470: the insertion mechanism 480: plunger piston

490: second bracket 500: second helical groove 510: second holding mechanism

520: the retention pin 530: holding groove 540: third pipe

550: third lumen 560: first opening 570: second opening hole

Detailed Description

The following detailed description is made with reference to fig. 1, 2, 3, 4, 5 and 6.

In the description of the present invention, the terms "first", "second", "third" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first," "second," "third," and so forth may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "inner", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present invention, the term "detachably" is one of bonding, key connection, screw connection, pin connection, snap connection, hinge connection, clearance fit, or transition fit. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

The present embodiment provides a hemostasis device for emergency medicine, comprising a first tube 110 and a second tube 120, the first tube 110 defining a first lumen 160, the first lumen 160 configured to direct blood therethrough, the second tube 120 housing at least a portion of the first tube 110 and at least partially defining a second lumen 240, the second lumen 240 for retaining a clotting agent 250 therein. The second tube 120 is movable relative to the first tube 110 such that the coagulant 250 is retained within the second lumen 240 when the second tube 120 is in the closed configuration and the coagulant 250 is released when the second tube 120 is in the open configuration. The coagulant 250 exits the second lumen 240 and seals the opening to reduce the time to stop bleeding and the required movement. The hemostatic device 100 has a distal end 130, a proximal end 140, and a tube length 150. Preferably, the tube length 150 is between about 12 cm and 20 cm. The distal end of the first tube 110 is defined by a taper to facilitate passage through subcutaneous tissue and into the lumen of the blood vessel. The second tube 120 is at least partially withdrawn to allow release of the coagulant 250, thereby closing the vessel opening.

Preferably, as shown in FIG. 1, the first tube 110 includes a tube wall 170 and a first lumen 160 defined by the tube wall 170. The first lumen 160 is used to conduct blood. Tube wall 170 includes a first opening 180 at the distal end of first lumen 160, and a second opening 190 at the proximal end of first lumen 160. The first opening 180 is configured to receive a guidewire (not shown), and the second opening 190 is configured to direct the coagulant 250 through the first lumen 160 around the guidewire. The valve 200 proximate the second opening 190 is selectively movable between an open configuration and a closed configuration. Specifically, the valve 200 may be driven toward the closed configuration such that the second opening 190 is capable of being at least partially closed (e.g., from fully open to fully closed), and reducing the flow of blood through the first lumen 160. Also, the valve 200 may be actuated toward an open configuration, the valve 200 enabling the second opening 190 to be at least partially opened (e.g., from fully closed toward fully open), and increasing blood flow through the first lumen 160 and/or venting from the second opening 190.

Preferably, the first tube 110 includes a distal portion 210 and a proximal portion 220 connected to the distal portion 210 by an interference fit. Distal portion 210 includes a sidewall opening 230 that communicates with first lumen 160 through tube wall 170 such that blood may enter first lumen 160 through sidewall opening 230.

Preferably, as shown in fig. 2, the second tube 120 includes a second sidewall 260 defining a second lumen 240, the second lumen 240 for containing a clotting agent 250. For example, the coagulant 250 may be a hydrogel polymer or a collagen patch. The second tube 120 receives a portion of the first tube 110. The second tube 120 can be translated or longitudinally moved relative to the first tube 110 such that the coagulant 250 is retained within the second lumen 240 when the second tube 120 is in a closed configuration and such that the coagulant 250 is exposed when the second tube 120 is in an open configuration.

Preferably, the hemostatic device 100 includes a plug 270 that at least partially defines the first tube 110. The plug 270 includes a distal portion 280 and a proximal portion 300. The plug 270 is positioned relative to the first tube 110 such that the plug 270 and the distal end of the second tube 120 can be placed outside the blood vessel and the plug 270 can be adjacent to the blood vessel proximate the vessel opening point when the sidewall opening 230 is within the lumen of the blood vessel. The plug 270 distal portion 280 is tapered to facilitate passage of the plug 270 through subcutaneous tissue, and the plug 270 proximal portion 300 is also tapered to facilitate channeling or directing the coagulant 250 radially outward along the hemostatic device 100. The proximal portion 300 of the plug 270 directs a portion of the coagulant 250 away from the central axis of the first tube 110 and/or the hemostatic device 100, thereby reducing coagulation of the coagulant 250 within the second lumen 240.

Preferably, the interface 310 enables the second tube 120 to be sealingly connected with the plug 270, such that the coagulant 250 can be retained within the second lumen 240 when the hemostatic device 100 is in the closed configuration. The plug 270 is made of a pliable material that can ensure a sealed connection at the interface of the plug 270 and the second tube 120. For example, the plug 270 may be made of rubber.

Preferably, as shown in fig. 4, 5, and 6, the hemostatic device 100 includes a housing 330 and a drive mechanism 340 positioned within the housing 330. More specifically, the housing 330 includes a cavity sidewall 350 defining a cavity 360, and the drive mechanism 340 includes a first carriage 370 movable between a distal end of the cavity 360 and a proximal end of the cavity 360. The first bracket 370 is coupled to the second tube 120, and the first bracket 370 moves the second tube 120 between the closed configuration and the open configuration by moving between the distal end of the cavity 360 and the proximal end of the cavity 360.

Preferably, the distance 380 between the sidewall opening 230 and the distal end of the housing 330 is between about 8 centimeters and 12 centimeters from the distance 380. The distance 380 remains substantially constant as the second tube 120 moves between the closed configuration and the open configuration because a portion of the second tube 120 is selectively withdrawn into the housing 330 or extended from the housing 330.

Preferably, the hemostatic device 100 includes a rotation mechanism 390 coupled to the first bracket 370. When the rotation mechanism 390 is rotated in a first direction (e.g., counterclockwise when viewed from the proximal end 140 toward the distal end 130), the first carriage 370 moves toward the distal end of the cavity 360. When rotation mechanism 390 is rotated in a second direction (e.g., clockwise when viewed from proximal end 140 toward distal end 130), first carriage 370 moves toward the proximal end of cavity 360. Thereby converting rotational motion to axial motion via rotational mechanism 390. The rotation mechanism 390 includes a wheel 400 and a shaft 410 extending from the wheel 400 and positioned within the first bracket 370. The diameter of the wheel 400 is greater than and/or equal to the width of the housing 330.

Preferably, a first peg (not shown) extending from an inner surface of the first bracket 370 is retained in a first spiral groove 420 defined in an outer surface of the rotating shaft 410. Specifically, as shown in fig. 4, the first spiral groove 420 includes a first section 430 spirally extending around the central axis of the rotation shaft 410 and a second section 440 formed around the rotation shaft 410. As the wheel 400 rotates, the first peg moves rotationally within the first section 430, thereby bringing the first bracket 370 to move longitudinally relative to the rotation mechanism 390 between the distal end of the cavity 360 and the proximal end of the cavity 360. When the first peg is located within the second section 440, the first bracket 370 is longitudinally stationary relative to the rotation mechanism 390, with the first bracket 370 located proximal to the cavity 360.

Preferably, as shown in fig. 4, the hemostatic device 100 includes a first retaining mechanism 450, the first retaining mechanism 450 helping to prevent the first member 370 from rotating relative to the housing 330 when the wheel 400 is rotated in the first direction and/or the second direction. The retaining mechanism 450 includes a second peg (not shown) extending from the inner surface of the housing 330, and a keyway 460 defined in the outer surface of the first bracket 370 that is sized to mate with the peg for receiving the second peg. In particular, keyway 460 extends longitudinally along the outer surface of first bracket 370 as the second peg travels between the distal end of keyway 460 and the proximal end of keyway 460. Such that the first carrier 370 is longitudinally movable relative to the housing 330 while remaining substantially non-rotatable.

Preferably, as shown in fig. 5 and 6, the hemostatic device 100 includes an insertion mechanism 470 including a plunger 480 positioned within the second lumen 240, the second carriage 490 being movable within the lumen defined by the first carriage 370 and by the shaft 410 to facilitate release of the coagulant 250. A third peg (not shown) extending from the inner surface of the rotating shaft 410 is retained in a second spiral groove 500 defined in the outer surface of the second bracket 490. The second helical groove 500 extends helically around the central axis of the second bracket 490 in a direction associated with the first helical groove 420. As the wheel 400 rotates, the plunger 480 is longitudinally movable relative to the second tube 120 in a direction corresponding to the movement of the first bracket 370 relative to the housing 330. Thus, when the plunger 480 is moved in a distal direction along the second bracket 490, the coagulant 250 is pushed in a distal direction toward the plug 270.

Preferably, as shown in fig. 4, 5 and 6, the hemostatic device 100 includes a second retaining mechanism 510, the second retaining mechanism 510 helping to prevent the second carrier 490 from rotating relative to the first carrier 370 when the wheel 400 is rotated. The second retaining mechanism 510 includes a retaining peg 520 extending from an outer surface of the second bracket 490, and a retaining slot 530 defined in an inner surface of the first bracket 370, the retaining slot 530 having a size that matches the size of the retaining peg 520. In particular, the retention slot 530 extends substantially longitudinally along the inner surface of the first bracket 370 such that the insertion mechanism 470 moves between the distal end of the retention slot 530 and the proximal end of the retention slot 530 and does not substantially rotate relative to the first bracket 370, thereby restricting movement of the plunger 480 coupled to the insertion mechanism 470.

Preferably, as shown in fig. 2 and 3, the hemostatic device 100 includes a third tube 540 positioned radially between the first tube 110 and the second tube 120. The third lumen 550 is used to guide blood such that the blood passing through the third lumen 550 is defined between the third tube 540 and the first tube 110. Specifically, the third lumen 550 communicates with a first aperture 560 through the plug 270 and a second aperture 570 through the housing 330 such that blood may enter the third lumen 550 through the first aperture 560 and may exit through the second aperture 570.

For ease of understanding, the working principle of a hemostatic device for emergency internal medicine will be discussed in detail.

In use of the hemostatic device, the first tube 110 is aligned with the vessel opening such that a guidewire (not shown) passes through the first and second openings 180, 190, the first tube 110 is passed over the subcutaneous tissue along the guidewire into the vessel, and blood is directed into the first lumen 160 and/or out the second opening 190. Such that the expelled blood (i.e., flashback of blood) from the second opening 190 can serve as a visual indication that the sidewall opening 230 is positioned within the blood vessel. In addition, the plug 270 provides a tactile indication (e.g., resistance), the plug 270 is positioned proximate the exterior of the vessel, and the sidewall opening 230 is positioned within the vessel lumen. The valve 200 is moved to the closed configuration to restrict the opening of the second opening 190 and reduce blood flow through the first lumen 160. The hemostatic device 100 is advanced too far along the guidewire through the subcutaneous tissue. In which case blood enters the first aperture 560, is directed through the third lumen 550, and/or exits the second aperture 570. Blood flow out of the second aperture 570 can serve as a visual indicator that the hemostatic device 100 has been advanced too far along the guidewire through the subcutaneous tissue, at which point the hemostatic device 100 should be withdrawn from the subcutaneous tissue portion until blood does not flow out of the second aperture 570. The wheel 400 is selectively rotated in a second direction to deploy the hemostatic device 100 in an open configuration to release the coagulant 250. When the wheel 400 is selectively rotated in the second direction, the plunger 480 is thus moved in a distal direction along the second bracket 490, such that the coagulant 250 is pushed in the distal direction toward the plug 270. The second tube 120 moves toward the open configuration and the plunger 480 simultaneously moves in a distal direction. The proximal portion 300 of the plug 270 directs a portion of the coagulant 250 radially outward and/or away from the central axis of the hemostatic device 100.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (9)

1. A hemostasis device for emergency internal medicine, comprising a first tube (110), a second tube (120) and a valve (200), characterized in that the hollow portion of the first tube (110) is configured as a first lumen (160) capable of guiding blood, the hollow portion of the second tube (120) is configured as a second lumen (240) storing a coagulant (250),

wherein the first lumen (160) is defined by a tube wall (170), the tube wall (170) comprising a first opening (180) at a distal end of the first lumen (160), and a second opening (190) at a proximal end of the first lumen (160);

wherein the second lumen (240) is adapted to accommodate at least a portion of the first tube (110) such that the second tube (120) is removably connectable to the first tube (110) in a manner that allows release of the clotting agent (250) when the second tube (120) extends out of the first tube (110);

the first tube (110) comprises a distal portion (210) and a proximal portion (220) connected to the distal portion (210) by an interference fit;

wherein the valve (200) is selectively movable between an open configuration and a closed configuration, the valve (200) enabling the second opening (190) to be at least partially closed when the valve (200) is adjusted to the closed configuration, the valve (200) enabling the second opening (190) to be at least partially open when the valve (200) is adjusted to the open configuration;

the hemostatic device (100) comprising a housing (330) and a drive mechanism (340) housed within the housing (330),

wherein the housing (330) comprises a cavity sidewall (350) defining a cavity (360), the drive mechanism (340) comprising a first carriage (370) movable between a distal end of the cavity (360) and a proximal end of the cavity (360), the first carriage (370) being connected to the second tube (120) such that the first carriage (370) moves between the distal end of the cavity (360) and the proximal end of the cavity (360) in a manner enabling the second tube (120) to move between the closed configuration and the open configuration.

2. The emergency medical hemostasis device of claim 1, wherein the first bracket (370) comprises a first peg, and the rotation mechanism (390) is configured to receive a first helical groove (420) of the peg, such that when the first peg is mated with the first helical groove, the first bracket (370) is coupled to the rotation mechanism (390).

3. The hemostasis device for emergency medical applications, as claimed in claim 2, wherein the first helical groove (420) comprises a first section (430) extending helically around a central axis of the shaft (410) and a second section (440) surrounding the shaft (410),

upon rotation of the spindle (410), the first peg moves rotationally within the first section (430) such that the first carriage (370) moves longitudinally relative to the rotation mechanism (390) between a distal end of a cavity (360) and a proximal end of the cavity (360); with the first peg located in the second section (440), such that first bracket (370) is longitudinally stationary relative to the rotational mechanism (390).

4. The hemostasis device for emergency internal medicine of claim 3, wherein a movable second bracket (490) is disposed within a cavity defined by the first bracket (370) and the rotatable shaft (410),

wherein the outer surface of the second bracket (490) has a second helical groove (500) conforming to the shape and size of a second peg extending from the inner surface of the spindle (410), the second helical groove (500) helically extending around the central axis of the second bracket (490) from the proximal end of the second bracket (490) to the vicinity of the retaining peg (520) in the same direction as the first helical groove (420); upon rotation of the shaft (410), the second peg rotationally moves in the second helical groove (500) such that the second carriage (490) moves longitudinally relative to the rotation mechanism (390).

5. The emergency medical hemostasis device of claim 4, wherein the second bracket (490) is coupled to a plunger (480) received within the second lumen (240) such that the plunger (480) is longitudinally movable relative to the second tube (120) in the same direction as the second bracket (490).

6. The emergency medical hemostatic device of claim 4, wherein the hemostatic device (100) comprises a first retaining mechanism (450), the first retaining mechanism (450) comprising a key slot (460) defined in an outer surface of the first bracket (370) that is sized to mate with a third peg extending from an inner surface of the housing (330),

wherein the keyway (460) extends longitudinally along an outer surface of the first bracket (370), and the third peg moves between a distal end of the keyway (460) and a proximal end of the keyway (460) such that the first bracket (370) remains rotationally stationary while moving longitudinally relative to the housing (330).

7. The emergency medical hemostatic device of claim 6, wherein the hemostatic device (100) comprises a second retaining mechanism (510), the second retaining mechanism (510) comprising a retaining groove (530) defined in an inner surface of the first bracket (370) that is sized to mate with a retaining peg (520) extending from an outer surface of the second bracket (490),

wherein the retaining groove (530) extends longitudinally along an inner surface of the first bracket (370); thereby causing an insertion mechanism (470) to move between a distal end of the retaining slot (530) and a proximal end of the retaining slot (530) without rotating relative to the first bracket (370).

8. The emergency medical hemostasis device of claim 1, wherein the first tube (110) is at least partially defined by a plug (270), the plug (270) is defined by a taper, and the plug (270) is formed from a pliable material.

9. The hemostasis device of claim 8, wherein a third tube (540) is positioned radially between the first tube (110) and the second tube (120), the third lumen (550) configured to direct blood such that blood passing through the third lumen (550) is defined between the third tube (540) and the first tube (110);

the third lumen (550) communicates with a first aperture (560) through the plug (270) and a second aperture (570) through the housing (330) such that blood may enter the third lumen (550) through the first aperture (560) and may exit through the second aperture (570).

Images