Tourniquet

Abstract

The present disclosure relates to a tourniquet, which comprises a tourniquet body and an identification mark, the tourniquet body is used for surrounding a user's arm and has a reference part; the identification mark is arranged on the tourniquet body and at least comprises a first mark and a second mark, the tourniquet body is configured to be selectively aligned with any one of the first mark and the second mark in use, the first mark is configured to represent an arm circumference of the user's arm, the second mark is configured to represent a pressure applied to the arm, and the pressure represented by the second mark corresponds to the arm circumference represented by the first mark. Through the above technical scheme, a standard pressure calibration corresponding to arms with different arm circumferences can be provided, so as to facilitate the operator to judge the pressure applied to the arm by the tourniquet, to achieve the use requirements such as satisfying the venous blood drawing, blood flow control and hemostasis, to reduce the operation difficulty, and to have the advantages of simple structure and low manufacturing cost.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of medical devices, in particular, to a tourniquet. BACKGROUND

[0002] When blood is drawn, a tourniquet is usually tied on the arm to achieve the blockage of venous blood flow to reduce venous return, so as to fill the veins and facilitate the insertion of a needle for blood sampling.

[0003] In the related art, a pressure detector is arranged on the tourniquet to determine the pressure applied by the tourniquet on the arm, so as to avoid insufficient pressure applied by the tourniquet to cause bleeding on the arm, or excessive pressure applied to cause poor blood flow and affect blood sampling. However, this form makes the structure of the tourniquet more complex and the manufacturing cost higher, and the applicability is lower. SUMMARY

[0004] The purpose of the present disclosure is to provide a tourniquet to facilitate the determination of the pressure applied by the tourniquet on the arm by the operator, reduce the operation difficulty, and have the advantages of simple structure and low manufacturing cost.

[0005] In order to achieve the above-mentioned purpose, the present disclosure provides a tourniquet, comprising: a belt body for surrounding a user's arm and having a reference part; and an identification mark arranged on the belt body and comprising at least a first mark and a second mark, the belt body being configured to align the reference part with any one of the first mark and the second mark in use, the first mark being configured to represent the arm circumference of the user's arm, the second mark being configured to represent the pressure applied to the arm, and the pressure represented by the second mark corresponding to the arm circumference represented by the first mark.

[0006] Optionally, the number of the first marks is one or more, and the plurality of first marks are arranged at intervals along the extension direction of the belt body, and the number of the second marks is one or more, and the plurality of second marks are arranged at intervals along the extension direction of the belt body; wherein the pressure represented by each second mark corresponds to the arm circumference represented by each first mark one by one, and the structure of a pair of first and second marks representing a corresponding pair of arm circumference and pressure is the same.

[0007] Optionally, each of the first marks is configured to have different structural features, or each of the second marks is configured to have different structural features.

[0008] Optionally, the structural feature of the first identification comprises at least one of a coating structure, a color structure, a pattern structure, a shape structure, and a character structure; and / or, the structural feature of the second identification comprises at least one of a coating structure, a color structure, a pattern structure, a shape structure, and a character structure.

[0009] Optionally, the second identification is used to represent a pressure applied to the arm in a range of 10mmHg-220mmHg.

[0010] Optionally, the identification further comprises a third identification, the third identification is used to represent a pressure applied to the arm configured to be greater than the pressure represented by the second identification; the pressure represented by the third identification corresponds to the arm circumference represented by the first identification and / or the pressure represented by the second identification.

[0011] Optionally, the belt body has a first surface and a second surface oppositely arranged along a thickness direction of the belt body, at least one of the first surface and the second surface is provided with the identification.

[0012] Optionally, the identification is provided on both the first surface and the second surface; wherein, at the same arm circumference, the second identification provided on the first surface is used to represent a pressure applied to the arm configured to be different from the pressure represented by the second identification provided on the second surface; and / or, the structural feature of the identification provided on the first surface is configured to be different from the structural feature of the identification provided on the second surface.

[0013] Optionally, the tourniquet further comprises a locking portion configured to lock the belt body in a use position in which the belt body is wrapped around the arm of the user and the reference portion is selectively aligned with any one of the first identification and the second identification.

[0014] Optionally, the locking portion comprises a fixing clamp capable of clamping the reference portion and the corresponding first identification or second identification in the use position; or, the locking portion comprises a buckle structure capable of buckling the reference portion and the corresponding first identification or second identification in the use position.

[0015] By the technical solution, i.e., the tourniquet provided by the present disclosure, the tourniquet is provided with the first mark and the second mark on the belt body, the first mark is configured to indicate the arm circumference of the arm of the user, the second mark is configured to indicate the pressure applied to the arm, and the pressure indicated by the second mark is arranged in correspondence with the arm circumference indicated by the first mark. In this way, by the provision of the first mark and the second mark, a standard pressure calibration corresponding to the arm with different arm circumferences can be provided, i.e., the pressure applied by the tourniquet to the corresponding arm can be more appropriate, achieving the effect of stopping bleeding while not causing excessive compression to the arm, facilitating subsequent blood sampling and reducing the discomfort of the user. In this way, when the belt body is in use, the reference part of the belt body can be aligned with the first mark adaptively, so as to realize the judgment of the arm circumference of the arm of the user. Then, the reference part can be adjusted to align with the second mark corresponding to the arm circumference value adaptively according to the arm circumference value of the corresponding arm, so as to realize the tightening of the tourniquet on the arm of the user with appropriate tightness. Therefore, by the provision of the first mark and the second mark, the operator can judge the pressure applied by the tourniquet to the arm, reducing the possibility of insufficient pressure applied by the tourniquet to cause bleeding on the arm, or excessive pressure applied to cause poor blood flow and affect blood sampling and other problems, which has low operation difficulty and can reduce the discomfort of the user.

[0016] In addition, by using the first mark and the second mark, the operator can more intuitively and clearly judge the pressure applied by the tourniquet to the arm. Compared with the related art, the tourniquet provided by the present disclosure does not need to be additionally provided with components such as pressure detectors, and the overall structure of the tourniquet is simple and convenient for on-site installation and preparation, reducing production cost and having high applicability.

[0017] Other features and advantages of the present disclosure will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the present disclosure and constitute a part of the specification, and together with the following specific embodiments, serve to explain the present disclosure but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 is a schematic view of a tourniquet provided in the first embodiment of the present disclosure;

[0020] Figure 2 is Figure 1 is a partial enlarged view of position A in

[0021] Figure 3is a schematic view of a tourniquet provided in a second embodiment of the present disclosure, wherein the tourniquet body is exemplarily shown as being wrapped around a user's arm.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1 - tourniquet body; 110 - first surface; 2 - arm; 3 - identification mark; 310 - first mark; 320 - second mark; 4 - locking portion; 410 - fixing clip; 420 - snap structure. DETAILED DESCRIPTION

[0024] The specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0025] In the present disclosure, "inner, outer" refers to the inner, outer relative to the outline of the component or structure itself, unless otherwise specified. In addition, it should be noted that the terms such as "first, second" are used to distinguish one element from another element, and do not have sequential and important meanings. In addition, in the description with reference to the drawings, the same reference signs in different drawings represent the same elements.

[0026] According to a first aspect of the present disclosure, a tourniquet is provided, referring to Figures 1 to 3 the tourniquet includes a tourniquet body 1 and an identification mark 3, the tourniquet body 1 is configured to wrap around a user's arm 2 and has a reference portion; the identification mark 3 is provided on the tourniquet body 1 and includes at least a first mark 310 and a second mark 320, the tourniquet body 1 is configured such that the reference portion can be selectively aligned with any one of the first mark 310 and the second mark 320 in use, the first mark 310 is configured to indicate the arm circumference of the user's arm 2, and the second mark 320 is configured to indicate the pressure applied to the arm 2, and the pressure indicated by the second mark 320 corresponds to the arm circumference indicated by the first mark 310.

[0027] With the technical scheme, the tourniquet provided by the present disclosure, the first mark 310 is configured to indicate the arm circumference of the arm 2, the second mark 320 is configured to indicate the pressure applied to the arm 2, and the pressure indicated by the second mark 320 is arranged in correspondence with the arm circumference indicated by the first mark 310. In this way, by providing the first mark 310 and the second mark 320, a standard pressure calibration can be provided for arms 2 with different arm circumferences, that is, the pressure applied by the tourniquet to the corresponding arm 2 can be more appropriate, achieving the effect of stopping bleeding while not causing excessive compression to the arm 2, facilitating subsequent blood sampling and reducing user discomfort. When the belt body 1 is in use, for example, the reference part of the belt body 1 can be aligned with the first mark 310 adaptively, so that the arm circumference of the user's arm 2 can be determined, and then the reference part can be adjusted to align with the second mark 320 corresponding to the arm circumference value of the corresponding arm 2 adaptively according to the arm circumference value of the corresponding arm 2, so that the tourniquet can be tightened on the user's arm 2 with appropriate tightness. Therefore, by providing the first mark 310 and the second mark 320 as described above, the operator can determine the pressure applied by the tourniquet to the arm 2, reduce the possibility of insufficient pressure applied by the tourniquet causing bleeding on the arm, or excessive pressure applied causing poor blood flow affecting blood sampling and other problems, and reduce user discomfort.

[0028] It should be noted that the reference part (not shown) of the belt body 1 can be understood as a reference zero point after the belt body 1 is wrapped around the user's arm 2. In this way, when the belt body 1 is in use, the operator can determine and measure the arm circumference of the user's arm 2 by aligning the reference zero point with the corresponding first mark 310 or second mark 320, and accurately determine the pressure applied by the tourniquet to the arm 2. The specific design position of the reference part (e.g., the reference zero point) is not limited in the present disclosure, and can be designed adaptively by those skilled in the art according to actual application requirements.

[0029] In addition, by using the first mark 310 and the second mark 320, the operator can more intuitively and clearly determine the pressure applied by the tourniquet to the arm 2. Compared with the related art, there is no need to add components such as pressure detectors to the tourniquet. Obviously, the tourniquet provided by the present disclosure has a simple overall structure and is easy to install and manufacture on site, reducing production costs and having high applicability.

[0030] It should be noted that the disclosure does not specifically limit the specific arrangement number of the first identifier 310 and the second identifier 320 described above, and those skilled in the art can adaptively design the specific arrangement number of the first identifier 310 and the second identifier 320 according to actual application requirements. For example, in some unillustrated embodiments, the number of the first identifier 310 can be one, and the number of the second identifier 320 can also be one. In this arrangement, in the case of, for example, the tourniquet being applied to the user for one-time use, after the arm circumference value of the user's arm 2 is obtained, for example, the corresponding tourniquet can be provided to the user to facilitate, for example, subsequent blood sampling operations. That is, the operator can more intuitively determine according to the first identifier 310 on the tourniquet and provide the user with a tourniquet corresponding to the obtained arm circumference value of the arm 2.

[0031] It can be understood that the specific embodiment that the number of the first identifier 310 can be one and the number of the second identifier 320 can also be one is exemplary. For example, in other alternative embodiments, referring to FIG. 3, the number of the first identifier 310 can also be multiple, and the multiple first identifiers 310 are arranged at intervals along the extension direction of the belt body 1. The number of the second identifier 320 can be multiple, and the multiple second identifiers 320 are arranged at intervals along the extension direction of the belt body 1. The pressure represented by each second identifier 320 corresponds one-to-one to the arm circumference represented by each first identifier 310. In this arrangement, when the belt body 1 is used, for example, the reference part of the belt body 1 can be adaptively aligned with the corresponding first identifier 310, thereby enabling the measurement and determination of the arm circumference of the user's arm 2. Subsequently, according to the measured arm circumference value of the arm 2, the reference part can be adaptively adjusted to be aligned with the second identifier 320 corresponding to the arm circumference value, so that the tourniquet can be tightened on the user's arm 2 with appropriate tightness, which is beneficial to improve the applicability of the tourniquet and meet the multi-purpose use requirements of the tourniquet. Figures 1 to 3

[0032] Among them, when the number of the first identifier 310 is configured as multiple, the disclosure does not specifically limit the specific design number and arrangement position of the multiple first identifiers 310. The purpose is to enable the multiple first identifiers 310 to measure and determine different arm circumferences of the arm 2, and those skilled in the art can adaptively design according to actual application requirements.

[0033] ​In addition, when the quantity of the second identifiers 320 is configured as a plurality, the specific design quantity and arrangement position of the plurality of second identifiers 320 are not specifically limited, and the purpose is to be able to be designed one-to-one with the plurality of first identifiers 310, and after the reference part of the belt body 1 is adaptively aligned with the corresponding second identifier 320, the tourniquet can be appropriately tightened on the corresponding arm 2, so as to achieve the effect of achieving the hemostasis effect without causing excessive compression to the arm 2. The person skilled in the art can adaptively design according to the actual application requirements, for example, the design quantity and arrangement position of each second identifier 320 can be adaptively designed according to the material and related structure size (such as the thickness size, width size and length size of the belt body 1) of the belt body 1 of the tourniquet.

[0034] Optionally, in some embodiments, the second identifier 320 is used to represent that the pressure applied to the arm 2 can be, for example, 10 mmHg-220 mmHg, which is arranged so as to achieve that the tourniquet can meet different use requirements, for example, most users can meet the use requirements such as venous blood sampling, blood flow control and hemostasis through the tourniquet. It can be understood that the specific embodiment of the second identifier 320 used to represent the pressure applied to the arm 2 is exemplary, and the present disclosure is not limited thereto, and the person skilled in the art can adaptively design according to the actual application requirements.

[0035] It should be noted that after the tourniquet is tightened on the corresponding arm 2 and the reference part of the belt body 1 is adaptively aligned with the corresponding second identifier 320, in order to more intuitively reflect the effect of the tourniquet on the arm 2 of the user, the second identifier 320 is used to represent the pressure applied to the arm 2 in millimeters of mercury (mmHg) in the exemplary embodiment of the present disclosure, and it can be understood that since 1 mmHg≈0.133 kPa, the second identifier 320 can also be used to represent the pressure applied to the arm 2 in kilopascals (kPa), which is not specifically limited by the present disclosure.

[0036] In addition, it should be noted that in order to facilitate understanding, the second identifier 320 used to represent the pressure applied to the arm 2 can also be understood by the person skilled in the art as, for example, after the tourniquet is tightened on the corresponding arm 2 and the reference part of the belt body 1 is adaptively aligned with the corresponding second identifier 320, the second identifier 320 can be used to represent, for example, the tightening force, or the tightening force, or the force, or the pressure, or the binding pressure applied to the arm 2 by the tourniquet, so as to achieve that the use requirements such as venous blood sampling, blood flow control and hemostasis can be met through the tourniquet.

[0037] For example, in some embodiments, each second identifier 320 can be configured such that when the body 1 is in use, the second identifier 320 is used to indicate that the pressure applied to the arm 2 can be, for example, 50 mmHg-70 mmHg. This arrangement can achieve the goal of tightening the tourniquet to the corresponding arm 2 with a suitable tightness, so as to facilitate subsequent operations such as drawing blood from the arm 2.

[0038] Additionally, in some exemplary embodiments, each second identifier 320 may be configured such that, when the body 1 is in use, the second identifier 320 indicates that the pressure applied to the arm 2 can be, for example, 100 mmHg-120 mmHg. This arrangement allows the tourniquet to be tightened appropriately on the corresponding arm 2, facilitating operations such as arterial hemostasis at the arm 2. This disclosure is not limited thereto.

[0039] Considering that in order to provide more intuitive visual cues for the identification mark 3 and reduce the difficulty of use for operators, in some embodiments, reference is made to... Figure 1 and Figure 2 As shown, when the number of first markings 310 and second markings 320 is multiple, and the pressure represented by each second marking 320 corresponds one-to-one with the arm circumference represented by each first marking 310, the structural features of the pair of first markings 310 and second markings 320 representing the corresponding pair of arm circumferences and pressures can be the same. With this arrangement, when the band body 1 is in use, for example, the reference part of the band body 1 can be adaptively aligned with the corresponding first marking 310, thereby enabling the measurement and judgment of the arm circumference of the user's arm 2. Subsequently, based on the measured arm circumference value of the arm 2, the reference part can be directly and adaptively adjusted to be aligned with the second marking 320 corresponding to that arm circumference value. That is, it can be understood that the reference part can be directly adjusted to be aligned with the second marking 320 that has the same structural features as the first marking 310. This operation is convenient and can enable the tourniquet to be tied on the user's arm 2 with a suitable tightness, so as to facilitate operations such as venous blood draw or arterial hemostasis.

[0040] Additionally, in some implementations, references Figure 1 and Figure 2 As shown, each of the first identifiers 310 can be constructed with different structural features. This arrangement allows the operator to receive more intuitive visual cues through the first identifiers 310 with different structural features. This makes it easier for the operator to quickly identify and complete the measurement of the user's arm 2 circumference when using a tourniquet, which helps to reduce the difficulty of operation and improves accuracy.

[0041] It is understood that in other alternative embodiments, the second identifiers 320 may be constructed with different structural features. This disclosure does not specifically limit such variations, and those skilled in the art can design them adaptively according to actual application needs.

[0042] Those skilled in the art can adapt the specific structure of the first identifier 310 and the second identifier 320 according to the actual application requirements. The purpose is to enable the identification identifier 3 (such as the first identifier 310 and the second identifier 320) to provide more intuitive visual prompts and reduce the difficulty of use for operators.

[0043] For example, in some embodiments, the structural features of the first identifier 310 may include at least one of the following: coating structure (e.g., spraying different coating identifiers), color structure (e.g., spraying different color identifiers), pattern structure (e.g., setting different icons or symbols), shape structure (e.g., setting scale identifiers with different shapes), and text structure (e.g., setting different text identifiers, number identifiers, or letter identifiers). This arrangement, by adaptively designing the specific structure of each first identifier 310, can provide more intuitive visual cues, reduce the difficulty of use for operators, and has the advantages of simple structure and ease of on-site installation and preparation. This disclosure is not limited thereto.

[0044] In addition, in some embodiments, the structural features of the second identifier 320 may include at least one of the following: coating structure (e.g., spraying different coating identifiers), color structure (e.g., spraying different color identifiers), pattern structure (e.g., setting different icons or symbols), shape structure (e.g., setting scale identifiers with different shapes), and text structure (e.g., setting different text identifiers, number identifiers, or letter identifiers). This is so that by adaptively designing the specific structure of each second identifier 320, more intuitive visual cues can be provided to the operator, reducing the difficulty of operation for the operator, and having the advantages of simple structure and easy installation and preparation. This disclosure is not limited thereto.

[0045] It should be noted that the specific embodiment in which the structural features of the pair of first identifiers 310 and second identifiers 320 representing the corresponding pair of arm circumferences and pressures are the same is exemplary. In other alternative embodiments, the structural features of the pair of first identifiers 310 and second identifiers 320 representing the corresponding pair of arm circumferences and pressures may also be different. This disclosure does not specifically limit such variations. The purpose is to facilitate identification by operators and reduce the difficulty of operation for operators. Those skilled in the art can design adaptively according to actual application needs.

[0046] Optionally, in some embodiments not shown, the identification mark 3 may also include a third mark (not shown). The third mark indicates that the pressure applied to the arm 2 is greater than the pressure applied to the arm 2 indicated by the second mark 320. The pressure indicated by the third mark corresponds to the arm circumference indicated by the first mark 310 and / or the pressure indicated by the second mark 320. With this arrangement, the applicability of the tourniquet can be improved by setting the third mark. That is, after the reference part of the tourniquet body 1 is adaptively aligned with the corresponding third mark, since the pressure applied to the arm 2 is greater than the pressure applied to the arm 2 indicated by the second mark 320, the tightening force, tightening force, action force, pressure, or binding pressure applied to the arm 2 by the tourniquet can be greater. In this way, in emergency situations, the tourniquet can quickly and completely block arterial blood flow, buy time for subsequent treatment, and meet the multi-purpose use requirements of the tourniquet.

[0047] It should be noted that this disclosure does not specifically limit the number, location, or structural features of the third identifier. Those skilled in the art can design it adaptively according to actual application needs. For example, there can be multiple third identifiers, corresponding to the number of first identifiers 310 and second identifiers 320. The specific structural features of the third identifier can be designed adaptively according to the actual application needs of the tourniquet, with reference to the structural features of the first identifiers 310 and second identifiers 320. This disclosure will not elaborate further here.

[0048] In order to improve the applicability of tourniquets, in some implementations, reference is made to... Figure 1 and Figure 2 As shown, the tourniquet body 1 may have a first surface 110 and a second surface arranged opposite to each other along its own thickness direction. At least one of the first surface 110 and the second surface may be provided with an identification mark 3. For example, the identification mark 3 may be provided on both the first surface 110 and the second surface. With such arrangement, it is possible to realize, for example, venous blood drawing and arterial hemostasis operations through different surfaces of the tourniquet (e.g., the first surface 110 and the second surface), thereby improving the applicability of the tourniquet and meeting the multi-purpose use requirements of the tourniquet.

[0049] It should be noted that the above-mentioned identification mark 3 may be provided only on the first surface 110, or the above-mentioned identification mark 3 may be provided only on the second surface. This disclosure does not specifically limit such variations, and those skilled in the art can design them adaptively according to actual application needs.

[0050] In addition, considering that identification marks 3 are provided on both the first surface 110 and the second surface, in order to facilitate the distinction between the uses of the first surface 110 and the second surface, in some embodiments, the structural features of the identification mark 3 located on the first surface 110 can be constructed to be different from the structural features of the identification mark 3 located on the second surface. In this way, the identification marks 3 with different structural features can provide operators with more intuitive visual prompts, making it easier for operators to distinguish the uses of the first surface 110 and the second surface.

[0051] For example, in some embodiments, the identification mark 3 may further include a fourth mark (not shown) respectively disposed on the first surface 110 and a fifth mark (not shown) disposed on the second surface. The fourth mark may include, for example, a mark on the first surface 110 indicating blood drawing, and the fifth mark may include, for example, a mark on the second surface indicating hemostasis. In this way, by distributing different marks on different surfaces (e.g., the first surface 110 and the second surface), it is convenient to provide operators with more intuitive visual prompts, so as to facilitate operators to distinguish the uses of the first surface 110 and the second surface. The overall structure is simple and easy to install and manufacture.

[0052] Furthermore, in order to enable operations such as venous blood draw and arterial hemostasis to be performed separately through different surfaces of the tourniquet (e.g., the first surface 110 and the second surface), in some embodiments, based on the identification mark 3 provided on both the first surface 110 and the second surface, the second mark 320 located on the first surface 110 for indicating the pressure applied to the arm 2 can be configured differently from the second mark 320 located on the second surface for indicating the pressure applied to the arm 2. That is, it can be understood that the specific design position of the second mark 320 can be adaptively designed on the first surface 110 and the second surface respectively, so that the identification mark 3 on the first surface 110 of the tourniquet can be used to perform operations such as venous blood draw, while the identification mark 3 on the second surface of the tourniquet can be used to perform operations such as arterial hemostasis.

[0053] It is understood that, for example, when the aforementioned third mark is adaptively designed on the first surface 110 and the second surface respectively, the third mark on the first surface 110 for indicating the pressure applied to the arm 2 may be different from the third mark on the second surface for indicating the pressure applied to the arm 2.

[0054] In some implementations, reference Figures 1 to 3As shown, the tourniquet may also include a locking part 4. The locking part 4 is configured such that when the tourniquet body 1 is wrapped around the user's arm 2 and the reference part is selectively aligned with either the first mark 310 or the second mark 320 in the use position, the tourniquet body 1 can be unlockably locked in the use position. With this arrangement, the tourniquet can be stably tightened on the corresponding arm 2 by the setting of the locking part 4, so that the deformation of the tourniquet body 1 can provide the aforementioned pressure to the corresponding arm 2, so as to facilitate, for example, venous blood draw or arterial hemostasis, with high reliability.

[0055] It should be noted that, in order to reduce the possibility of pain in the user's arm 2 caused by pressure from the locking part 4 at the locking position of the tourniquet body 1 and the locking part 4, after the tourniquet body 1 is tightly bound to the corresponding arm 2, the elasticity of the tourniquet body 1 can be used to first pull the locking position of the tourniquet body 1 and the locking part 4 away from the user's arm 2, and then lock the locking part 4 at the above-mentioned locking position. After the locking part 4 is locked, the elasticity of the tourniquet body 1 can be used to spring back the locking position of the tourniquet body 1 and the locking part 4 to fit the user's arm 2. In this way, the tourniquet can be stably bound to the corresponding arm 2, while reducing the possibility of pain in the user's arm 2 caused by pressure from the locking part 4.

[0056] In this disclosure, the specific structure of the locking part 4 is not specifically limited. The purpose is to enable the tourniquet to be stably and tightly bound to the corresponding arm 2. Those skilled in the art can adapt the specific structure of the locking part 4 according to the actual application requirements.

[0057] Exemplarily, in some implementations, reference is made to Figure 3 As shown, the locking part 4 may include a fixing clip 410. In the use position, the fixing clip 410 can clamp onto the base part and the corresponding first mark 310 or second mark 320. Thus, by setting the fixing clip 410, the tourniquet can be stably tied to the corresponding arm 2. Furthermore, by adaptively adjusting the position of the fixing clip 410 clamping onto the base part and the corresponding identification mark 3 (e.g., the first mark 310, the second mark 320, and the third mark), the tightness of the tourniquet body 1 can be adjusted to achieve the purpose of different users, such as venous blood drawing or arterial hemostasis. The structure is relatively simple and the operation is convenient.

[0058] The reference portion can be constructed in any suitable manner. For example, when the locking portion 4 includes a fixing clip 410, the reference portion can adopt at least one of the following: coating structure, color structure, pattern structure, shape structure or text structure, so as to facilitate the identification of the position of the reference portion and thus facilitate the alignment of the reference portion with the corresponding first mark 310 or second mark 320.

[0059] Furthermore, this disclosure does not specifically limit the specific structure of the aforementioned fixing clip 410. Those skilled in the art can design it adaptively according to actual application needs. For example, the fixing clip 410 can be any existing suitable medical shaping clip or medical molding clip, etc. The purpose is to enable the tourniquet to be stably tied to the corresponding arm 2 through the setting of the fixing clip 410.

[0060] Alternatively, refer to Figure 1 As shown, the locking part 4 may also include a buckle structure 420. In the use position, the buckle structure 420 can be locked to the base part and the corresponding first mark 310 or second mark 320. In this way, by setting the buckle structure 420, the tourniquet can be stably tied to the corresponding arm 2. And by adaptively adjusting the position of the buckle structure 420 locked to the corresponding identification mark 3 (e.g., the first mark 310, the second mark 320 and the third mark), the tightness of the tourniquet body 1 can be adjusted to achieve the purpose of different users, such as venous blood drawing or arterial hemostasis.

[0061] In this disclosure, the specific structure of the buckle structure 420 is not specifically limited. For example, the buckle structure 420 can be a common connecting buckle used on existing tourniquets. After passing through the buckle structure 420 at one end of the tourniquet body 1, the tourniquet can be stably tied to the corresponding arm 2. Those skilled in the art can design it adaptively according to actual application needs.

[0062] Additionally, it should be noted that when the locking part 4 includes the snap-fit ​​structure 420, a certain structural feature on the snap-fit ​​structure 420 can also serve as a reference part. For example, the edge of either end of the snap-fit ​​structure 420 in the extension direction of the belt body 1 can serve as a reference part, so as to align the reference part with the corresponding first mark 310 or second mark 320. Of course, the reference part can also adopt at least one of the following: coating structure, color structure, pattern structure, shape structure or text structure. When assembling the snap-fit ​​structure 420, the snap-fit ​​structure 420 can also be installed at the reference part, for example, the end edge of the snap-fit ​​structure 420 can be aligned with the reference part.

[0063] Alternatively, in some embodiments not shown, the locking part 4 may also include, for example, a Velcro structure, so that after the band body 1 is wrapped around the user's arm 2, the tourniquet can be stably fastened to the corresponding arm 2 by the Velcro structure. It is understood that the Velcro structure should be positioned to avoid the identification mark 3 so that the identification mark 3 can be observed; for example, the Velcro structure may be positioned in the middle of the width direction of the band body 1, while the identification mark 3 may be positioned at both ends of the width direction of the band body 1.

[0064] In addition, when the locking part 4 includes a Velcro structure, the reference part can adopt at least one of the following: coating structure, color structure, pattern structure, shape structure or text structure. In this way, after the reference part is aligned with the corresponding second mark 320, it can be fixed by the Velcro structure.

[0065] Based on the above embodiments, this disclosure exemplarily describes the usage process of the tourniquet as follows:

[0066] For example, when intravenous blood draw is required, the tourniquet body 1 is first wrapped around the user's arm 2. Then, for example, the reference part of the tourniquet body 1 is adaptively aligned with the corresponding first mark 310 on the first surface 110 to measure the arm circumference of the user's arm 2. Subsequently, based on the measured arm circumference value, the operator can directly and adaptively adjust the reference part to align with the second mark 320 on the first surface 110 corresponding to the arm circumference value. After the reference part is aligned with the corresponding second mark 320, the reference part can be unlockably locked to the corresponding second mark 320 by the locking part 4. In this way, the tourniquet can be stably and tightly bound to the corresponding arm 2, and the tourniquet can be tied to the user's arm 2 with a suitable tightness to facilitate subsequent intravenous blood draw.

[0067] Similarly, for example, when arterial hemostasis is required, the tourniquet body 1 is first wrapped around the user's arm 2. Then, for example, the reference part of the tourniquet body 1 is adaptively aligned with the corresponding first mark 310 on the second surface to measure the arm circumference of the user's arm 2. Subsequently, based on the measured arm circumference value, the operator can directly and adaptively adjust the reference part to align with the second mark 320 on the second surface corresponding to the arm circumference value. After the reference part is aligned with the corresponding second mark 320, the reference part can be unlockably locked to the corresponding second mark 320 by the locking part 4. In this way, the tourniquet can be stably and tightly bound to the corresponding arm 2, and the tourniquet can be bound to the user's arm 2 with a suitable tightness, thus achieving the purpose of arterial hemostasis.

[0068] The preferred embodiments of this disclosure have been described in detail above with reference to the accompanying drawings. However, this disclosure is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this disclosure, various simple modifications can be made to the technical solutions of this disclosure, and these simple modifications all fall within the protection scope of this disclosure.

[0069] It should also be noted that the various specific technical features described in the above embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, this disclosure will not describe the various possible combinations separately.

[0070] Furthermore, various different embodiments of this disclosure can be combined in any way, as long as they do not violate the spirit of this disclosure, they should also be regarded as the content disclosed in this disclosure.

Claims

1. A tourniquet, characterized in that, include: It includes a body designed to wrap around the user's arm and has a reference section; and Identification marks are provided on the belt body and include at least a first mark and a second mark. The belt body is configured such that, in use, the reference portion can be selectively aligned with either the first mark or the second mark. The first mark is configured to indicate the arm circumference of the user's arm, and the second mark is configured to indicate the pressure applied to the arm. The pressure indicated by the second mark corresponds to the arm circumference indicated by the first mark. The identification mark further includes a third mark, which indicates that the pressure applied to the arm is greater than the pressure applied to the arm as indicated by the second mark; The pressure represented by the third identifier corresponds to the arm circumference represented by the first identifier and / or the pressure represented by the second identifier; The belt body has a first surface and a second surface arranged opposite to each other along its own thickness direction; The identification mark is provided on both the first surface and the second surface; Wherein, within the same arm circumference, the second mark located on the first surface is used to indicate a pressure applied to the arm that is different from the pressure applied to the arm indicated by the second mark located on the second surface; and / or, The structural features of the identification mark located on the first surface are constructed to be different from the structural features of the identification mark located on the second surface.

2. The tourniquet according to claim 1, characterized in that, The number of the first identifiers is one or more, and the plurality of the first identifiers are arranged at intervals along the extension direction of the belt body; the number of the second identifiers is one or more, and the plurality of the second identifiers are arranged at intervals along the extension direction of the belt body. The pressure represented by each of the second identifiers corresponds one-to-one with the arm circumference represented by each of the first identifiers, and the structural features of the corresponding pair of first identifiers and second identifiers representing the arm circumference and the pressure are the same.

3. The tourniquet according to claim 2, characterized in that, Each of the first identifiers is constructed with different structural features, or each of the second identifiers is constructed with different structural features.

4. The tourniquet according to claim 2 or 3, characterized in that, The structural features of the first identifier include at least one of coating structure, color structure, pattern structure, shape structure, and text structure; And / or, The structural features of the second identifier include at least one of coating structure, color structure, pattern structure, shape structure, and text structure.

5. The tourniquet according to claim 1, characterized in that, The second identifier is used to indicate that the pressure applied to the arm is 10 mmHg-220 mmHg.

6. The tourniquet according to claim 1, characterized in that, The tourniquet also includes a locking part configured such that when the tourniquet body is wrapped around the user's arm in a use position such that the reference part can be selectively aligned with either the first mark or the second mark, the tourniquet body can be unlockably locked in the use position.

7. The tourniquet according to claim 6, characterized in that, The locking part includes a retaining clip, which, in the usage position, can clamp onto the base part and the corresponding first or second mark; or... The locking part includes a snap-fit ​​structure, which, in the usage position, can snap onto the base part and the corresponding first mark or second mark.

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