Double-ratchet linkage tourniquet
By introducing a double ratchet linkage mechanism into the tourniquet, the combination of the locking module and the elastic rope is used to achieve the effect of fast tightening of the injured limb, solving the problem of cumbersome operation and inconvenient rapid rescue.
Patent Information
- Application Number
- CN202421077919.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The existing cloth tourniquet requires repeated rotation of the handle to tighten the injured limb. Continuous force is required during the rotation of the handle, but the bleeding operation is required when the hand slips, which is not convenient for quick rescue.
The double ratchet linkage tourniquet is adopted, including a contact plate, a shell, a movable seat, a self-adhesive belt, an elastic rope and a locking module. The locking module drives the movable seat to rotate, and the elastic rope tightens the self-adhesive belt to achieve the effect of quickly tightening the injured limb.
It realizes rapid tightening of the injured limb without repeated rotation of the handle, reducing the risk of hemostatic operation failure caused by hand slips, and improving the efficiency of the first aid process.
Smart Images
Figure CN222815818U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tourniquets, in particular to a double ratchet linkage tourniquet. Background Art
[0002] A tourniquet is a simple and practical tool for stopping bleeding. It can stop bleeding temporarily and is widely used in emergency treatment of trauma and daily life injuries. At present, rubber tourniquets and cloth tourniquets are mainly used in first aid on the spot. Rubber tourniquets need to be tightened and fixed after being wrapped around the limbs. Cloth tourniquets need to be tightened with a spiral handle after being wrapped around the limbs. Cloth tourniquets are mostly used.
[0003] When using the existing cloth tourniquet, the patient needs to repeatedly turn the handle to tighten the injured limb, and continuous force needs to be applied during the turning of the handle. However, when the hand slips, the hemostasis operation needs to be performed again, which is not convenient for rapid rescue. Utility Model Content
[0004] The utility model aims to provide a double ratchet linkage tourniquet, aiming to solve the technical problem that the existing cloth tourniquet needs to repeatedly rotate the handle to tighten the injured limb, and continuous force needs to be applied during the rotation of the handle. However, when the hand slips, the hemostasis operation needs to be performed again, which is not convenient for rapid rescue.
[0005] To achieve the above-mentioned objectives, the utility model adopts a double ratchet linkage tourniquet, including a contact plate, a shell, a movable seat, a self-adhesive tape, two elastic ropes and a locking module, the self-adhesive tape is connected to the contact plate and is located on the outer side wall of the contact plate, the movable seat is arranged on the side of the self-adhesive tape away from the contact plate, the movable seat has an annular groove and two through holes, the locking module is connected to the movable seat and is located above the shell, one end of each of the elastic ropes is fixedly connected to the movable seat and is respectively located on the corresponding through holes, the other end of each of the elastic ropes is fixedly connected to the self-adhesive tape and is respectively located in the self-adhesive tape, the shell is fixedly connected to the contact plate and is sleeved on the outside of the movable seat, the locking module is used to rotate the movable seat on the contact plate, and the elastic rope is used to tighten the self-adhesive tape.
[0006] In which, the locking module includes a rotating handle, a first ratchet, a second ratchet, a first pawl, a second pawl, two contact columns, a rotating column and a toggle member, the movable seat also has two limit grooves and a movable cavity, the rotating column is rotatably arranged in the movable cavity, the rotating column has two steps, the rotating handle is connected to the movable seat, the toggle member is connected to the rotating column and is located on the rotating handle, the first pawl and the second pawl are respectively movably arranged in the corresponding limit grooves, the outer side walls of the first pawl and the second pawl are provided with the contact columns, each of the contact columns is inserted into the movable cavity, and is movably matched with the rotating column, the first ratchet and the second ratchet are fixedly connected to the shell and are located in the shell, and the first ratchet is movably matched with the first pawl, and the second ratchet is movably matched with the second pawl.
[0007] Wherein, the locking module further includes two plug-in posts, both of which are fixedly connected to the rotating handle and symmetrically arranged below the rotating handle, and the first pawl and the second pawl respectively cooperate with the corresponding plug-in posts.
[0008] Wherein, the toggle member includes a toggle switch and a stop block, the toggle switch is fixedly connected to the rotating column and is located on the rotating handle, and the stop block is fixedly connected to the rotating handle and is located on the outer side wall of the rotating handle.
[0009] Wherein, the double ratchet linkage tourniquet further comprises a plurality of anti-slip edges, and the plurality of anti-slip edges are evenly distributed on the outer wall of the rotating handle.
[0010] The utility model discloses a double ratchet linkage tourniquet, wherein the shell and the contact plate are connected through the fixing module, the self-adhesive tape is located between the contact plate and the movable seat, the two elastic ropes are fixed and wound in the annular groove of the movable seat, and the two elastic ropes are respectively inserted into the two ends of the self-adhesive tape. When in use, the contact plate is placed on the injured limb of the patient, and then the contact plate is initially fixed on the injured limb by using the self-adhesive tape, and then the rotating handle is rotated on the shell, and the movable seat is rotated in the shell through the locking module, at this time, the two elastic ropes will be wound in the annular groove of the movable seat, and the elastic rope in the self-adhesive tape will be tightened, so that the contact plate and the self-adhesive tape will tighten the patient's limb to achieve the effect of stopping bleeding, wherein the locking module will prevent the rotating handle from reversing, and through the above method, it is achieved that the hemostasis operation can be quickly performed on the limb, which is conducive to rapid rescue. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0012] Figure 1 It is a structural schematic diagram of a double ratchet linkage tourniquet of the utility model.
[0013] Figure 2 It is a structural schematic diagram of the separation of the shell and the contact plate of the double ratchet linkage tourniquet of the utility model.
[0014] Figure 3 The utility model is a schematic structural diagram of a rotating handle of a double ratchet linkage tourniquet.
[0015] Figure 4 The utility model is a schematic structural diagram of a movable seat of a double ratchet linkage tourniquet.
[0016] Figure 5 It is a structural schematic diagram of a shell of a double ratchet linkage tourniquet of the utility model.
[0017] Figure 6 The utility model is a schematic diagram of assembling a first ratchet, a second ratchet and a movable seat of a double ratchet linkage tourniquet.
[0018] 101-contact plate, 102-housing, 103-movable seat, 104-self-adhesive tape, 105-elastic rope, 106-rotating handle, 107-first ratchet, 108-second ratchet, 109-first pawl, 110-second pawl, 111-contact column, 112-rotating column, 113-plug-in column, 114-slide switch, 115-stop block, 116-step, 117-anti-slip edge, 118-annular groove, 119-through hole, 120-limiting groove, 121-movable cavity. DETAILED DESCRIPTION
[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0020] See also Figure 1 to Figure 6The utility model provides a double ratchet linkage tourniquet, comprising a contact plate 101, a shell 102, a movable seat 103, a self-adhesive tape 104, two elastic ropes 105 and a locking module, wherein the self-adhesive tape 104 is connected to the contact plate 101 and is located on the outer side wall of the contact plate 101, the movable seat 103 is arranged on a side of the self-adhesive tape 104 away from the contact plate 101, the movable seat 103 has an annular groove 118 and two through holes 119, and the locking module is connected to the movable seat 103 and is located on the shell 1 02, one end of each of the elastic ropes 105 is fixedly connected to the movable seat 103 and is respectively located on the corresponding through holes 119, the other end of each of the elastic ropes 105 is fixedly connected to the self-adhesive tape 104 and is respectively located in the self-adhesive tape 104, the shell 102 is fixedly connected to the contact plate 101 and is sleeved on the outside of the movable seat 103, the locking module is used to rotate the movable seat 103 on the contact plate 101, and the elastic rope 105 is used to tighten the self-adhesive tape 104.
[0021] In this embodiment, the shell 102 is connected to the contact plate 101 through the fixing module, the self-adhesive tape 104 is located between the contact plate 101 and the movable seat 103, the two elastic ropes 105 are fixed and wound in the annular groove 118 of the movable seat 103, and the two elastic ropes 105 are respectively inserted into the two ends of the self-adhesive tape 104. When in use, the contact plate 101 is placed on the injured limb of the patient, and then the contact plate 101 is initially fixed on the injured limb by using the self-adhesive tape 104, and then the shell 102 is fixed to the injured limb. 02, and the movable seat 103 is rotated in the shell 102 through the locking module. At this time, the two elastic ropes 105 are wound in the annular groove 118 of the movable seat 103, and the elastic ropes 105 in the self-adhesive tape 104 are tightened, so that the contact plate 101 and the self-adhesive tape 104 tighten the patient's limbs to achieve the effect of hemostasis, wherein the locking module prevents the rotating handle 106 from reversing. Through the above method, it is achieved that the hemostasis operation can be quickly performed on the limbs, which is conducive to rapid rescue.
[0022] Further, the locking module includes a rotating handle 106, a first ratchet 107, a second ratchet 108, a first pawl 109, a second pawl 110, two contact columns 111, a rotating column 112 and a toggle member, the movable seat 103 also has two limit grooves 120 and an active cavity 121, the rotating column 112 is rotatably arranged in the active cavity 121, the rotating column 112 has two steps 116, the rotating handle 106 is connected to the movable seat 103, the toggle member is connected to the rotating column 112 and is located on the rotating handle 106, and the first pawl 109 is connected to the movable seat 103. 9 and the second pawl 110 are respectively movably arranged in the corresponding limiting groove 120, and the outer side walls of the first pawl 109 and the second pawl 110 are provided with the contact column 111, each of the contact columns 111 is inserted into the movable cavity 121, and is movably cooperated with the rotating column 112, the first ratchet 107 and the second ratchet 108 are fixedly connected to the shell 102, and are both located in the shell 102, and the first ratchet 107 is movably cooperated with the first pawl 109, and the second ratchet 108 is movably cooperated with the second pawl 110.
[0023] In this embodiment, when in use, the contact plate 101 is placed on the injured limb of the patient, and then the contact plate 101 is initially fixed on the injured limb by using the self-adhesive tape 104, and then the rotating handle 106 is rotated on the shell 102, and the rotating handle 106 drives the movable seat 103 to rotate in the shell 102. At this time, the first pawl 109 in the movable seat 103 is movably matched with the first ratchet 107 in the shell 102, and the second ratchet 108 is movably matched with the second pawl 110 in the shell 102, so as to prevent the rotating handle 106 from rotating. 6 is reversed, and at the same time, the two elastic ropes 105 will be wound in the annular groove 118 of the movable seat 103, the elastic ropes 105 in the self-adhesive tape 104 will be tightened, the patient's limbs will be tightened, and finally the rotating column 112 will be driven by the toggle member to rotate in the cavity of the movable seat 103, and the two steps 116 of the rotating column 112 will be separated from the first pawl 109 and the second pawl 110 respectively, and the outer wall of the rotating column 112 will abut the two pawls, so that the two pawls are limited in the limiting groove 120 of the movable seat 103, so that the rotating handle cannot continue to rotate.
[0024] Furthermore, the locking module also includes two plug-in posts 113 , both of which are fixedly connected to the rotating handle 106 and symmetrically arranged below the rotating handle 106 , and the first pawl 109 and the second pawl 110 respectively cooperate with the corresponding plug-in posts 113 .
[0025] In this embodiment, by disposing two plug-in posts 113 below the rotating handle 106 , when the rotating handle 106 is rotated, the two plug-in posts 113 will move in two pawls respectively, so as to facilitate sliding the pawls in the movable seat 103 .
[0026] Furthermore, the toggle member includes a toggle switch 114 and a stop block 115 . The toggle switch 114 is fixedly connected to the rotating column 112 and is located on the rotating handle 106 . The stop block 115 is fixedly connected to the rotating handle 106 and is located on the outer wall of the rotating handle 106 .
[0027] In this embodiment, when the rotation of the movable seat 103 is stopped, the toggle switch 114 is rotated on the rotating handle 106, and the toggle switch 114 drives the rotating column 112 to rotate in the movable seat 103, so that the two steps 116 of the rotating column 112 are separated from the first pawl 109 and the second pawl 110 respectively, and the outer wall of the rotating column 112 supports the two pawls, so that the two pawls are limited in the limiting groove 120 of the movable seat 103, so that the rotating handle cannot continue to rotate.
[0028] Furthermore, the double ratchet linkage tourniquet further includes a plurality of anti-slip ridges 117 , and the plurality of anti-slip ridges 117 are evenly distributed on the outer wall of the rotating handle 106 .
[0029] In this embodiment, the anti-slip edge 117 can increase the friction when the user uses the rotating handle 106, which is conducive to rotating the rotating handle 106.
[0030] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.
Claims
1. A double ratchet linkage tourniquet, characterized in that: It includes a contact plate, a shell, a movable seat, a self-adhesive tape, two elastic ropes and a locking module, the self-adhesive tape is connected to the contact plate and is located on the outer side wall of the contact plate, the movable seat is arranged on a side of the self-adhesive tape away from the contact plate, the movable seat has an annular groove and two through holes, the locking module is connected to the movable seat and is located above the shell, one end of each of the elastic ropes is fixedly connected to the movable seat and is respectively located on the corresponding through holes, the other end of each of the elastic ropes is fixedly connected to the self-adhesive tape and is respectively located in the self-adhesive tape, the shell is fixedly connected to the contact plate and is sleeved on the outside of the movable seat, the locking module is used to rotate the movable seat on the contact plate, and the elastic rope is used to tighten the self-adhesive tape.
2. The double ratchet linkage tourniquet according to claim 1, characterized in that: The locking module includes a rotating handle, a first ratchet, a second ratchet, a first pawl, a second pawl, two contact columns, a rotating column and a toggle member, the movable seat also has two limit grooves and a movable cavity, the rotating column is rotatably arranged in the movable cavity, the rotating column has two steps, the rotating handle is connected to the movable seat, the toggle member is connected to the rotating column and is located on the rotating handle, the first pawl and the second pawl are respectively movably arranged in the corresponding limit grooves, the outer side walls of the first pawl and the second pawl are provided with the contact columns, each of the contact columns is inserted into the movable cavity and movably cooperates with the rotating column, the first ratchet and the second ratchet are fixedly connected to the shell and are located in the shell, and the first ratchet movably cooperates with the first pawl, and the second ratchet movably cooperates with the second pawl.
3. The double ratchet linkage tourniquet according to claim 2, characterized in that: The locking module further comprises two plug-in posts, both of which are fixedly connected to the rotating handle and symmetrically arranged below the rotating handle, and the first pawl and the second pawl respectively cooperate with the corresponding plug-in posts.
4. The double ratchet linkage tourniquet according to claim 3, characterized in that: The toggle member includes a toggle switch and a stop block. The toggle switch is fixedly connected to the rotating column and is located on the rotating handle. The stop block is fixedly connected to the rotating handle and is located on the outer side wall of the rotating handle.
5. The double ratchet linkage tourniquet according to claim 4, characterized in that: The double ratchet linkage tourniquet further comprises a plurality of anti-slip ridges, and the plurality of anti-slip ridges are evenly distributed on the outer wall of the rotating handle.