CN217244625U - First aid spinning formula tourniquet device - Google Patents

Abstract

The utility model provides an emergency treatment spinning type tourniquet device, includes tourniquet, draws subassembly and the subassembly of screwing, the subassembly of screwing including connect in the casing of tourniquet, rotate the spool of connecting in the casing, cup joint in the ratchet on the spool, and be used for controlling the clutch piece of the rotation state of ratchet, the tip of spool is equipped with and extends to the portion of gripping in the casing outside, draw the subassembly including the guide table and act as go-between, the guide table connect in the outside of tourniquet, the one end of acting as go-between is connected to guide table and other end wire-wrap connect to the spool. The wounded person rotates the holding part, the stay wire is tightened along with the rotation of the rotating shaft, the tourniquet can achieve the tightening effect, and the connection between the ratchet wheel and the clutch piece can ensure that the reel cannot rotate reversely; when the tourniquet needs to be released and loosened, the reel can reversely rotate only by pushing the clutch piece to separate from the ratchet wheel. The scheme is flexible to control and has better practicability.

Description

First aid spinning formula tourniquet device

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to an emergency treatment spinning type tourniquet device.

Background

Whether in a field battlefield or in a pre-hospital medical facility. When a wounded person bleeds seriously, emergency treatment needs to be carried out on an accident site, and the most common and effective hemostasis method is to use a tourniquet. The tourniquet achieves the aim of hemostasis by locally compressing blood vessels to block blood circulation, and has the characteristics of quickness, effectiveness, convenience and portability.

The application of the tourniquet in war wound treatment can obviously reduce the amputation rate and the injury rate of the wounded with the limb massive hemorrhage. The tourniquet is an essential first-aid equipment for first aid in battle (present) fields.

See the spinning tourniquet with application number of CN201821257191.X, which transmits the pressure of a rotating shaft to the tail end by rotating a pressure adjusting twist rod to press the tourniquet so as to achieve the aim of the tourniquet. Practical operations have found that sometimes it is difficult to tighten the strap even in the case where the strap has been fitted in a buckle; because of the unable accurate control hemostasis pressure, when relaxing the tourniquet through the adjustment of the hank rod of unscrewing, the hank rod is unscrewed/is screwed a circle and then leads to the tourniquet too loose to appear and collapses, and the half a circle of hank rod of unscrewing/screwing can't be fixed in the draw-in groove again. The single hand is used for controlling the pressure adjusting hinge rod, the coordination of a thumb and a forefinger is needed, and once the adjusting hinge rod is accidentally loosened, the hinge rod can automatically and rapidly rotate reversely, so that the pressure is weakened or disappears; can cause secondary injury to the injured person. Often, the injured person must apply the tourniquet to the limb by himself or herself. The injured person may have been seriously injured and may not have the awareness, stamina, and willingness needed to overcome the difficulty of tightening.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the spinning tourniquet in the prior art can not accurately control the hemostasis pressure and adjust the hemostasis pressure.

In order to solve the problem, the utility model provides an emergency treatment spinning type tourniquet device, include the tourniquet, pull the subassembly and screw the subassembly, the subassembly of screwing including connect in the casing of tourniquet, rotate connect in the casing spool, cup joint in epaxial ratchet, and be used for control the clutch spare of the rotation state of ratchet, the tip of spool is equipped with and extends to the portion of gripping in the casing outside, pull the subassembly including the direction platform and act as go-between, the direction platform connect in the outside of tourniquet, the one end of acting as go-between is connected to direction platform and other end solderless wrapped connection extremely the spool.

According to the scheme, the traction assembly and the screwing assembly are arranged on the tourniquet, an injured person rotates the holding part, the pull wire is tightened along with the rotation of the rotating shaft, the guide table is pulled to the shell, the tourniquet between the guide table and the shell can achieve the tightening effect, and the connection between the ratchet wheel and the clutch piece can ensure that the reel cannot rotate reversely; when the tourniquet needs to be released and loosened, the reel can reversely rotate only by pushing the clutch piece to separate from the ratchet wheel. Compared with the prior art, the scheme is flexible to control and free to fold and unfold, accurate control over the tourniquet can be achieved, and the tourniquet has good practicability.

Preferably, the tourniquet comprises a flexible clamping ring section and a flexible lacing section, wherein the clamping ring section is in a C shape, one end of the clamping ring section is provided with a limiting part, the lacing section comprises a first end connected to the other end of the clamping ring section and a second end provided with a locking joint, and the locking joint is detachably connected to the limiting part. Through the open C-shaped structure design of the clamping ring section, the tourniquet can be sleeved on the position of the leg or the arm of the wounded person more conveniently, and then the tourniquet and the wounded person can be fixed through the detachable connection between the limiting part and the locking joint, so that the quick application of one hand under the condition of limited four limbs can be realized. Compared with a closed-loop tourniquet, the structure is more convenient to carry and has wider use scenes.

Preferably, the limiting portion is a clamping hook, the lock joint is an annular buckle, and a protruding portion for abutting against the annular buckle is arranged in the middle of the inner arc side of the clamping hook, so that the annular buckle can be more stably fixed between the protruding portion and the lower portion of the inner arc side of the clamping hook, and the problem of accidental disengagement of the annular buckle is avoided.

Preferably, the fastening device further comprises a flexible gasket, wherein the flexible gasket is connected to the inner side of the clamping ring section and is positioned between the clamping ring section and the lacing section. The flexible gasket's setting can shelter from the hookup location of clamping ring section and tie section, avoids the tourniquet to tighten up under the effect of the subassembly of screwing, and the skin of person is involved with the seam of tying up in clamping ring section and tie section.

Preferably, the inner side of the clamping ring section is provided with a corrugated surface, so that the clamping ring section can be better attached to the limbs of an injured person.

Preferably, the traction component and the screwing component are both positioned outside the clamping ring segment, so that the structure is compact, and the operation of the wounded is more convenient.

Preferably, the clutch member is movably connected in the shell, the clutch member is provided with a pawl, an elastic member abutted to the shell and a button extending to the outer side of the shell, the elastic member is used for pushing the clutch member to rotate so that the pawl is abutted to the ratchet wheel, and the button is used for pushing the clutch member to rotate so that the pawl is separated from the ratchet wheel, so that the wounded can separate the pawl from the ratchet wheel by poking the button, the tourniquet can be released and loosened, and the operation is simple and convenient.

Preferably, the clutch member is rotatably connected with the housing, the elastic member is an arc-shaped push rod, the push rod is made of an elastic material, one end of the push rod is connected to the side face of the clutch member, and the other end of the push rod is abutted to the housing, so that the structure is more compact.

Preferably, the shell is further provided with a plurality of wire guiding columns, the left side and the right side of the reel are provided with at least one wire guiding column, the guide table is sequentially provided with a left rope hole, a middle rope hole and a right rope hole from left to right, and the stay wire comprises a left line segment and a right line segment; the left line segment comprises a first end wound to the reel and a second end sequentially wound through the middle rope hole, the wire column on the left side of the reel and the left rope hole; the right line segment includes the first end of winding to the spool and in proper order around through the second end of middle rope hole, the wire post on spool right side and right rope hole, the second end of left side line segment with the second end of right line segment is connected to along with the rotation of spool, act as go-between can be more steadily pull the guide table to the subassembly of screwing, realize tightening up the tourniquet.

Preferably, the clamping ring further comprises a protective sleeve cover, and the protective sleeve cover is sleeved on the outer side of the clamping ring section, so that the screwing component and the traction component are covered and protected, and foreign matters are effectively prevented from entering.

Drawings

Fig. 1 is a schematic diagram of an application of a first-aid spinning tourniquet device (dotted lines represent limbs);

FIG. 2 is a schematic axial view of a first-aid spinning tourniquet device with a protective cover removed;

FIG. 3 is a schematic view of the connection of the fastening ring segment and the tying band segment of the first-aid spinning tourniquet device;

FIG. 4 is an isometric view of a snap ring segment of a first aid spinning tourniquet device;

FIG. 5 is an isometric view of a tightening mechanism of a first aid spinning tourniquet device (with the upper housing hidden and the pawl and ratchet engaged);

fig. 6 is an isometric view of a tightening device for a first-aid spinning tourniquet device (with the upper housing hidden and the pawl and ratchet separated).

Description of the reference numerals:

a0, tourniquet; a1, a snap ring segment; a11, a limiting part; a12, a boss; a13, corrugated surface; a2, lacing segment; a21, lock joint; a3, flexible gasket; a4, a protective cover; b0, a traction assembly; b1, a guide table; b11, a left rope hole; b12, middle rope hole; b13, right rope hole; b2, a pull line; c0, screwing component;

c1, a shell; c2, reel; c21, a grip part; c3, ratchet wheel; c4, clutch; c41, pawl; c42, an elastic element; c43, push buttons; c5, wire column.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that all the directional indicators (such as up, down, left, right, front, back, inside, and outside) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Referring to fig. 1-6, an embodiment of the present invention provides a first-aid spinning tourniquet device, which includes a tourniquet a0, a pulling assembly b0 and a tightening assembly c0, wherein the tightening assembly c0 includes a housing c1 connected to the tourniquet a0, a reel c2 rotatably connected to the housing c1, a ratchet c3 sleeved on the reel c2, and a clutch c4 for controlling the rotation state of the ratchet c3, an end of the reel c2 is provided with a holding portion c21 extending to the outside of the housing c1, the pulling assembly b0 includes a guide platform b1 and a pulling wire b2, the guide platform b1 is connected to the outside of the tourniquet a0, and one end of the pulling wire b2 is connected to the guide platform b1 and the other end is wound around the reel c 2.

According to the scheme, the traction assembly b0 and the screwing assembly c0 are arranged on the tourniquet a0, a wounded person rotates the holding part c21, the pull wire b2 is tightened along with the rotation of the rotating shaft, at the moment, the guide table b1 is pulled to the shell c1, the tourniquet a0 between the guide table b1 and the shell c1 can achieve the tightening effect, and the connection between the ratchet c3 and the clutch piece c4 can ensure that the reel c2 cannot rotate reversely; when the tourniquet a0 needs to be released and loosened, the reel c2 can rotate reversely only by pushing the clutch piece c4 to separate from the ratchet wheel c 3. Compared with the prior art, the scheme is flexible to control and free to fold and unfold, accurate control over the tourniquet a0 can be achieved, and the tourniquet has good practicability. It should be noted that the outside of the tourniquet is the side facing away from the injured person, and the inside of the tourniquet is only the side facing the injured person.

In this embodiment, tourniquet a0 includes a clasp segment a1 and a lace segment a2 that are both flexible. Both the snap ring segment a1 and the lace segment a2 are made of flexible polymeric materials including, but not limited to, acetal, nylon, polypropylene, polyethylene, and the like. The snap ring segment a1 is C-shaped, one end of the snap ring segment a1 is provided with a limiting part a11, the lacing segment a2 comprises a first end connected to the other end of the snap ring segment a1 and a second end provided with a locking joint a21, and the locking joint a21 is used for being detachably connected to the limiting part a 11. Through the open C-shaped structure design of the snap ring section a1, the sleeve can be sleeved on the leg or arm position of the wounded, and the tourniquet a0 and the wounded are fixed through the detachable connection between the limiting part a11 and the lock joint a21, so that the quick application by one hand under the condition of limited four limbs can be realized. Compared with the closed-loop tourniquet a0, the structure is more convenient to carry and has wider use scenes.

In this embodiment, spacing portion a11 is the pothook, and lock joint a21 is the annular buckle, and the middle part of the inner arc side of pothook is equipped with the bellying a12 that is used for supplying the annular buckle butt to guarantee that the annular buckle can be fixed more stably between the lower part of the inner arc side of bellying a12 and pothook, avoid the unexpected problem of deviating from of annular buckle.

As an extension of the above embodiment, a flexible gasket a3 is further included, and a flexible gasket a3 is connected to the inner side of the snap ring segment a1 and is located between the snap ring segment a1 and the lacing segment a 2. The flexible gasket a3 can shield the connecting position of the snap ring section a1 and the lacing section a2, so that the skin of a person is prevented from being injured by the joint of the snap ring section a1 and the lacing section a2 when the tourniquet a0 is tightened under the action of the tightening component c 0. Further, the inner side of the snap ring section a1 is provided with a corrugated surface a13, so that the snap ring section can better fit with the limbs of the wounded.

In this embodiment, the clutch c4 is movably connected in the housing c1, the clutch c4 is provided with a pawl c41, an elastic piece c42 abutting against the housing c1 and a button c43 extending to the outside of the housing c1, the elastic piece c42 is used for pushing the clutch c4 to rotate so that the pawl c41 abuts against the ratchet c3, and the button c43 is used for pushing the clutch c4 to rotate so that the pawl c41 is separated from the ratchet c3, so that the wounded can separate the pawl c41 from the ratchet c3 by dialing the button c43, the tourniquet a0 can be released and released, and the operation is simple and convenient. It should be appreciated that clutch c4 can be arranged in a variety of ways, such as a sliding connection between clutch c4 and housing c1, while spring c42 is a spring and is connected between clutch c4 and housing c1 to urge pawl c41 into engagement with ratchet c 3; button c43 is located on the end of clutch c4 so that by pulling button c43, pawl c41 of clutch c4 can be disengaged from ratchet c 3.

In this embodiment, the clutch C4 is C-shaped and is rotatably connected to the housing C1, the pawl C41 is located at the left end of the clutch C4, the elastic member C42 is an arc-shaped push rod and is located at the right end of the clutch C4, the push rod is made of an elastic material, one end of the push rod is connected to the side surface of the clutch C4, and the other end of the push rod abuts against the housing C1 to push the pawl C41 to engage with the ratchet C3, so that the structure is more compact; button c43 is also located on the right end of clutch c4 so that when button c43 is depressed, pawl c41 on the left end of clutch c4 disengages from ratchet c 3.

As an extension of the embodiment, the housing c1 is further provided with a plurality of wire guiding columns c5, the plurality of wire guiding columns c5 enable at least one wire guiding column c5 to be arranged on both the left side and the right side of the reel c2, the guide table b1 is sequentially provided with a left rope hole b11, a middle rope hole b12 and a right rope hole b13 from left to right, and the stay wire b2 comprises a left line segment and a right line segment; the left line segment comprises a first end wound on the reel c2 and a second end sequentially wound through the middle rope hole b12, the wire column c5 on the left side of the reel c2 and the left rope hole b 11; the right line segment comprises a first end wound to the reel c2 and a second end wound through the middle rope hole b12, the wire column c5 on the right side of the reel c2 and the right rope hole b13 in sequence, and the second end of the left line segment is connected with the second end of the right line segment, so that the stay wire b2 can pull the guide table b1 to the screwing component c0 more smoothly along with the rotation of the reel c2, and the tourniquet a0 can be tightened.

In the embodiment, the pulling assembly b0 and the tightening assembly c0 are both positioned outside the snap ring segment a1, so that the structure is compact and the operation is more convenient for the wounded. Furthermore, the clamping ring further comprises a protective sleeve cover a4, wherein the protective sleeve cover a4 is sleeved outside the clamping ring segment a1, so that a covering protection is formed on the screwing component c0 and the pulling component b0, and the entering of foreign matters is effectively avoided.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.

Claims (10)

1. A first-aid spinning tourniquet device, comprising a tourniquet (a0), a traction assembly (b0) and a tightening assembly (c0), wherein the tightening assembly (c0) comprises a housing (c1) connected to the tourniquet (a0), a reel (c2) rotatably connected to the housing (c1), a ratchet wheel (c3) sleeved on the reel (c2), and a clutch (c4) for controlling the rotation state of the ratchet wheel (c3), the end of the reel (c2) is provided with a grip (c21) extending to the outside of the housing (c1), the traction assembly (b0) comprises a guide table (b1) and a pull wire (b2), the guide table (b1) is connected to the outside of the tourniquet (a0), and the pull wire (b2) is connected to the guide table (b1) at one end and wound around the reel (c 2).

2. A first-aid spinning tourniquet device according to claim 1, wherein the tourniquet (a0) comprises a snap ring section (a1) and a lacing section (a2) both flexible, the snap ring section (a1) is "C" shaped, one end of the snap ring section (a1) is provided with a position-limiting part (a11), the lacing section (a2) comprises a first end connected to the other end of the snap ring section (a1) and a second end provided with a locking joint (a21), and the locking joint (a21) is used for being detachably connected to the position-limiting part (a 11).

3. The first-aid spinning tourniquet device according to claim 2, wherein the position-limiting part (a11) is a hook, the lock joint (a21) is an annular buckle, and the middle part of the inner arc side of the hook is provided with a convex part (a12) for the annular buckle to abut against.

4. A rescue spinning tourniquet device according to claim 2, further comprising a flexible pad (a3), wherein the flexible pad (a3) is connected to the inside of the snap ring section (a1) and is located between the snap ring section (a1) and the tether section (a 2).

5. The first-aid spinning tourniquet device according to claim 2, wherein the inner side of the snap ring segment (a1) is provided with an undulated surface (a 13).

6. A rescue spinning tourniquet device according to claim 2, wherein the pulling assembly (b0) and tightening assembly (c0) are both located outside the snap ring segment (a 1).

7. The emergency spinning tourniquet device of claim 6, further comprising a protective cover (a4), wherein the protective cover (a4) is sleeved outside the snap ring segment (a 1).

8. A first-aid spinning tourniquet device according to claim 1 or 6, wherein the clutch (c4) is movably connected in the housing (c1), the clutch (c4) is provided with a pawl (c41), a resilient member (c42) abutting against the housing (c1) and a button (c43) extending to the outside of the housing (c1), the resilient member (c42) is used for pushing the clutch (c4) to rotate so as to enable the pawl (c41) to abut against the ratchet (c3), and the button (c43) is used for pushing the clutch (c4) to rotate so as to enable the pawl (c41) to separate from the ratchet (c 3).

9. The emergency spinning tourniquet device of claim 8, wherein the clutch (c4) is rotatably connected to the housing (c1), the elastic member (c42) is an arc-shaped push rod made of elastic material, one end of the push rod is connected to the side of the clutch (c4) and the other end abuts against the housing (c 1).

10. The first-aid spinning tourniquet device according to claim 1 or 6, wherein said housing (c1) is further provided with a plurality of wire guiding posts (c5), said wire guiding posts (c5) are provided in plurality and at least one wire guiding post (c5) is provided on each of the left and right sides of said reel (c2), said guide table (b1) is provided with a left rope hole (b11), a middle rope hole (b12) and a right rope hole (b13) in sequence from left to right, said pull wire (b2) comprises a left line segment and a right line segment; the left line segment comprises a first end wound to a reel (c2) and a second end sequentially wound through the middle rope hole (b12), a wire column (c5) on the left side of the reel (c2) and a left rope hole (b 11); the right line segment comprises a first end wound to a reel (c2) and a second end sequentially wound through the middle rope hole (b12), a wire column (c5) on the right side of the reel (c2) and a right rope hole (b13), and the second end of the left line segment is connected with the second end of the right line segment.

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