Auxiliary tool for injector

Abstract

The utility model relates to an auxiliary tool for an injector. The auxiliary tool comprises a container main body, a needle cover movably connected to the container main body, and an adjuster detachably connected with the container main body from a front side opening part through a detachable connecting assembly, the needle cover can slide along the length direction of the injector, and two end parts along the length direction of the needle cover are respectively provided with a needle cover top side opening part and a needle cover bottom side opening part; the regulator is used for mounting a syringe, when the syringe is accommodated in the front side opening part through the regulator, a plunger of the syringe protrudes from the container top side opening part, and a needle of the syringe protrudes from the container bottom side opening part; the detachable connecting assembly has a plurality of connecting states, the connecting positions of the adjuster and the container body are different in different connecting states, and the lengths, protruding out of the opening portion of the bottom side of the container, of the needle head are different. The extending length of the needle head can be adjusted according to different use requirements, and the universality, the flexibility and the convenience of injection operation are effectively improved.

Description

[0001] This application claims priority to the application with the filing date of August 3, 2023 and the application number of U2023-2820. Technical Field

[0002] The utility model relates to an auxiliary tool for a syringe, and particularly to an auxiliary tool for a syringe that can finely adjust the length of a needle and has excellent versatility for syringes and needles. Background Art

[0003] In the past, there have been various auxiliary tools for syringes to enable patients to easily perform self-injection using a syringe. For example, in the patent document of Japanese Patent Laid-Open No. 2022-089800, an auxiliary tool for a self-injector having a container body, a cap sleeve, a pressing sleeve, a first adapter, and one or more replacement adapters is disclosed. Among them, the container body is configured to removably house the self-injector along the length direction. The cap sleeve is provided on the front end side of the container body and can slide between a forward limit and a backward limit along the length direction. The cap sleeve is biased by a spring member to be at the forward limit. When the cap sleeve is at the forward limit, the needle of the self-injector is covered by the cap sleeve. When using this auxiliary tool to press the patient's skin, the cap sleeve moves to the backward limit, and the needle of the self-injector protrudes from the front end opening of the cap sleeve. The pressing sleeve is provided on the rear end side of the container body and is a part for the patient to hold by hand, and can slide the plunger of the self-injector a predetermined moving distance along the above length direction. The pressing sleeve has a pressing head inside. When the pressing sleeve slides toward the front end side of the container body, the pressing head presses the plunger head of the self-injector.

[0004] Here, the first adapter is configured to removably hold the cylinder of the self-injector at a predetermined holding position (A1) inside the first adapter. The first adapter is configured to be removably engaged with the container body at each of a plurality of engagement positions (Bx) inside the container body. The plurality of engagement positions (Bx) are along the length direction and are located at positions corresponding to different lengths (Lx) of the needle of the self-injector. By selecting the engagement position according to the length of the needle, the length of the needle protruding from the front end opening of the cap sleeve during use becomes a certain length (C1).

[0005] Further, the alternative adapter is configured to detachably hold the cylinder of the self-injector at a prescribed alternative holding position (A2) within the alternative adapter. The alternative holding position (A2) is located at a position that has been displaced by a prescribed amount (k) in the longitudinal direction from the holding position (A1), and the prescribed amount (k) is a value preset based on the puncture depth corresponding to the patient, and is a different value for each alternative adapter. The alternative adapter is configured to detachably engage with the container body at each of a plurality of engagement positions (Bx), and by selecting the engagement position (Bx) according to the length (Lx) of the needle, the length of the needle protruding from the front end opening of the cap sleeve during use becomes a fixed length (C2) different from a fixed length (C1). Thereby, even if the length of the needle changes, by moving the first adapter according to the length of the needle, the puncture depth is constant, so as to prevent the tip of the needle from protruding from the front end of the cover sleeve and accidentally injuring the patient. In the technology described in the above-mentioned Patent Document 1, since the first adapter or the alternative adapter is used, even if the length of the needle changes, the puncture depth can be made constant. Here, in the technology described in Patent Document 1, the engaging portion on the container body side is disclosed with a convex portion having a quadrilateral cross-sectional shape as the basic structure, and by arranging and disposing these convex portions at prescribed intervals in the longitudinal direction, the spaces between these convex portions are used as concave portions. Specifically, a convex portion is provided on the lower side of the front end of the first adapter, and by fitting into any of the concave portions of the engaging portion on the container body side, the engaging position of the first adapter is adjusted. Moreover, the structure of the locking portion is such that it protrudes vertically from both sides of the inner surface near the center of the container body to hold the first adapter that has entered the container body. The same applies to the alternative adapter.

[0006] However, in the structure of the above-mentioned engaging portion, since it is basically a structure in which the convex portion of the first adapter is fitted into the concave portion on the container body side from above, there is a problem that the first adapter covers a part of the concave portions among the plurality of concave portions on the container body side, making it impossible to see the position of a specific concave portion, and it is difficult for the operator to adjust the engaging position of the first adapter at first glance. Further, in the convex portion having a quadrilateral cross-sectional shape, it is only possible to adjust the engaging position of the intervals between adjacent concave portions, and there is a problem that it is difficult to correspond to various existing needle lengths. Furthermore, if the syringe or the needle of the syringe is specialized, any type of syringe or needle cannot be used, and the adaptability is low.

[0007] Therefore, the present utility model is proposed to solve the above problems, and its object is to provide an auxiliary tool for a syringe that can finely adjust the length of the needle and has excellent versatility for syringes and needles.

[0008] The above information is given as background information only to assist in understanding the present disclosure, and does not determine or admit whether any of the above content can be used as prior art with respect to the present disclosure. Summary of the Utility Model

[0009] The present utility model provides an auxiliary tool for a syringe to solve the problems existing in the prior art.

[0010] To achieve the above object, the present utility model provides the following technical solutions:

[0011] An auxiliary tool for a syringe, comprising:

[0012] A container body having a front side opening at the front side and a container top side opening and a container bottom side opening at both ends of its own length direction respectively;

[0013] A needle cover movably connected to the container body and capable of sliding along the length direction of the syringe; both ends of the needle cover along its own length direction respectively have a needle cover top side opening and a needle cover bottom side opening;

[0014] A regulator for installing a syringe; the regulator is detachably connected to the container body from the front side opening through a disassembly connection assembly; when the syringe is received in the front side opening through the regulator, the plunger of the syringe protrudes from the container top side opening and the needle of the syringe protrudes from the container bottom side opening;

[0015] Wherein, the disassembly connection assembly has multiple connection states, and the connection positions of the regulator and the container body are different in different connection states, so that the length of the needle protruding from the container bottom side opening is different.

[0016] Optionally, the disassembly connection assembly includes:

[0017] A pair of first engaging parts; the regulator includes a main body part, and the pair of first engaging parts are respectively arranged on both sides of the main body part;

[0018] A pair of second engaging parts arranged inside the container body, and the pair of second engaging parts correspond to the positions of the pair of first engaging parts;

[0019] The pair of second engaging parts have multiple engaging positions arranged along the length direction, and the pair of first engaging parts can be engaged with any of the engaging positions to form different connection states of the disassembly connection assembly.

[0020] Optionally, the pair of first engaging parts and the pair of second engaging parts are respectively in a serrated structure with multiple concave and convex teeth, and the serrated structure of the pair of first engaging parts is engaged with any position of the pair of second engaging parts to form the engaging position.

[0021] Optionally, a first through window is opened on the regulator, and the first through window is located between the pair of first engaging parts;

[0022] A scale plate is provided inside the container body, and the scale plate is located between the pair of second engaging portions;

[0023] The scale in the scale plate corresponds to the interval between the adjacent engaging positions.

[0024] Optionally, the auxiliary appliance for a syringe further includes:

[0025] A front cover, which is installed on the container body through a hinge and can be driven to open and close the front side opening of the container body.

[0026] Optionally, a second through window is provided in the length direction of the front cover, and the second through window corresponds to the position where the regulator is used to accommodate the syringe.

[0027] Optionally, a plurality of guiding plates are provided on the front cover, the plurality of guiding plates are located on the inner surface of the front cover, and the plurality of guiding plates are distributed along the length direction of the front cover;

[0028] Each of the guiding plates is respectively provided with a notch, the notch faces the regulator, and the position of the regulator corresponds to the position where the regulator is used to accommodate the syringe;

[0029] Each of the notches has a different depth, so that any one or more of the notches match the outer edge shape of the syringe barrels of different syringes.

[0030] Optionally, the dismountable connection assembly further includes:

[0031] A pair of engaging claws, which are arranged inside the container body and are symmetric about the axis in the length direction of the container body;

[0032] When the pair of first engaging portions engage with the pair of second engaging portions, the pair of engaging claws respectively engage with the two side portions of the regulator.

[0033] Optionally, the auxiliary appliance for a syringe further includes:

[0034] An elastic body, which is arranged between the bottom side of the container body and the inner surface of the bottom side of the needle cover;

[0035] When the needle cover moves towards the container body under an external force, the elastic body tends to be compressed, and when the external force is removed, the elastic body forces the needle cover to move away from the container body.

[0036] Optionally, the regulator includes a syringe holding portion and a finger flange holding portion that communicate with each other;

[0037] The syringe holding part is provided with a receiving groove capable of being matched and connected with the syringe barrel;

[0038] The finger flange holding part is provided with a flange-shaped limiting groove capable of accommodating the finger flange of the syringe.

[0039] Compared with the prior art, the utility model has the following beneficial effects:

[0040] An auxiliary tool for a syringe provided by the utility model can adjust the length that the needle can extend according to different usage requirements, effectively improving the versatility, flexibility and convenience of injection operations.

[0041] The utility model has other characteristics and advantages, which will be obvious from the accompanying drawings incorporated herein and the subsequent detailed description, or will be described in detail in the accompanying drawings incorporated herein and the subsequent detailed description. These accompanying drawings and detailed description are used together to explain the specific principles of the utility model. Brief Description of the Drawings

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the accompanying drawings required for use in the description of the embodiments or the prior art. Obviously, the following described accompanying drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0043] Figure 1 is an exploded perspective view of an auxiliary tool for a syringe provided by the present utility model.

[0044] Figure 2 is a perspective view of the auxiliary tool for a syringe provided by the present utility model when receiving the syringe.

[0045] Figure 3 is a perspective view of the state of closing the front cover and a perspective view of the state of opening the front cover in the auxiliary tool for a syringe provided by the present utility model.

[0046] Figure 4 is a perspective view of the state of installing the regulator and a perspective view of the state of holding the syringe on the regulator in the auxiliary tool for a syringe provided by the present utility model.

[0047] Figure 5 is a perspective view of the state of closing the front cover in the state of receiving the syringe in the auxiliary tool for a syringe provided by the present utility model; and a perspective view of the state of sliding the needle cover.

[0048] Figure 6This is a perspective view of a state in which the engaging positions of a pair of first engaging portions and a pair of second engaging portions are adjusted in an auxiliary tool for a syringe provided by the present utility model.

[0049] Figure 7 This is a perspective view of three regulators in an auxiliary tool for a syringe provided by the present utility model.

[0050] Figure 8 This is a perspective view of a state in which three regulators are respectively mounted on a container main body in an auxiliary tool for a syringe provided by the present utility model.

[0051] Figure 9 This is a plan perspective view in a state where the front cover is opened in an auxiliary tool for a syringe provided by the present utility model

[0052] Figure 10 This is a result table for measuring the length of the needle tip protruding from the needle cover in a case where, in an auxiliary tool for a syringe provided by the present utility model, when using needles of different lengths for different types of syringes, the engaging positions of a pair of first engaging portions and a pair of second engaging portions are adjusted.

[0053] Reference numerals: 1, auxiliary tool for syringe; 2, container main body; 20, front side opening; 21, container top side opening; 22, container bottom side opening; 3, front cover; 31, second through window; 4, needle cover; 40, needle cover top side opening; 41, needle cover bottom side opening; 5, elastic body; 6, regulator; 61, main body portion; 62, syringe holding portion; 63, finger flange holding portion; 60, first through window; 7, first engaging portion; 8, second engaging portion; 9, engaging claw; A, syringe; Ap, plunger; As, needle tube; N, needle tip; Af, finger flange; 23, scale plate; 30, notch; 30a, deformed notch; 30b, circular notch. Detailed Description of the Embodiment

[0054] To describe in detail the possible application scenarios, technical principles, specific implementable solutions, achievable purposes and effects, etc. of the present application, the following is described in detail with reference to the specific examples listed and in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and therefore are only examples and cannot be used to limit the protection scope of the present application.

[0055] Reference to "embodiment" in this document means that the specific features, structures, or characteristics described in connection with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various positions in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0056] Unless otherwise defined, the meanings of the technical terms used in this document are the same as those commonly understood by those skilled in the technical field to which the present application belongs; the use of the relevant terms in this document is only for describing specific embodiments and is not intended to limit the present application.

[0057] In the description of the present application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that there can be three relationships. For example, A and / or B means: the situation where A exists, the situation where B exists, and the situation where both A and B exist simultaneously. Further, in this document, the character " / " generally represents an "or" logical relationship between the associated objects before and after.

[0058] In the present application, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantitative, primary-secondary, or sequential relationship between these entities or operations.

[0059] Without further limitation, in the present application, the expressions such as "include", "comprise", "have", or other similar expressions used in the statement are intended to cover non-exclusive inclusion. These expressions do not exclude the possibility that there may be additional elements in the process, method, or product including the said elements, so that the process, method, or product including a series of elements may not only include those defined elements, but also include other elements not explicitly listed, or further include elements inherent to such process, method, or product.

[0060] The same as the understanding in the "Examination Guidelines", in the present application, expressions such as "greater than", "less than", "exceeding", etc. are understood not to include the number itself; expressions such as "above", "below", "within", etc. are understood to include the number itself. In addition, in the description of the embodiments of the present application, the meaning of "multiple" is two or more (including two), and similar expressions related to "many" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise specifically defined.

[0061] In the description of the embodiments of the present application, the spatially related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the specific embodiment or the accompanying drawings. It is only for the convenience of describing the specific embodiments of the present application or for the reader's understanding, rather than indicating or implying that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of the present application.

[0062] Unless otherwise clearly specified or limited, in the description of the embodiments of the present application, the terms such as "installed", "connected", "joined", "fixed", "set", etc. should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two components or the interaction relationship between two components. For those skilled in the art to which the present application pertains, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0063] Embodiment 1

[0064] Next, the embodiments of the present invention will be described with reference to the accompanying drawings for the understanding of the present invention. Further, the following embodiments are an example of embodying the present invention and do not limit the nature of the technical scope of the present invention.

[0065] As Figures 1 - 5 shown, the embodiment of the present invention provides an auxiliary tool 1 for a syringe, including a container body 2, a needle cover 4, and a regulator 6.

[0066] The container body 2 has a front side opening 20 located on the front side, and a container top side opening 21 and a container bottom side opening 22 respectively located at both ends of its own length direction; specifically, when the container body 2 houses the syringe A, the plunger Ap of the syringe A protrudes from the container top side opening 21, and the needle N of the syringe A protrudes from the container bottom side opening 22.

[0067] It can be understood that the plunger Ap of the aforementioned syringe A is the pusher in actual use, which is a structure for pushing out the liquid in the syringe tube As of the syringe A through a pressing action; the syringe tube As of the aforementioned syringe A refers to the outer cylinder of the syringe A.

[0068] The needle shield 4 is movably connected to the bottom side of the container body 2 and can slide along the length direction of the syringe A; both ends of the needle shield 4 along its own length direction respectively have a needle shield top side opening 40 and a needle shield bottom side opening 41.

[0069] The regulator 6 is used to mount the syringe A; further, the regulator 6 can be mounted on the container body 2 from the front side opening 20 without affecting the state of the needle tube As in the syringe A.

[0070] The regulator 6 is detachably connected to the container body 2 from the front side opening 20 through a disassembly connection assembly; when the syringe A is received in the front side opening 20 through the regulator 6, the plunger Ap of the syringe A protrudes from the container top side opening 21, and the needle N of the syringe A protrudes from the container bottom side opening 22;

[0071] Wherein, the disassembly connection assembly has multiple connection states, and the connection positions of the regulator 6 and the container body 2 are different in different connection states, so that the length of the needle N protruding from the container bottom side opening 22 is different.

[0072] Further, in this embodiment, the disassembly connection assembly includes:

[0073] A pair of first engaging portions 7; the regulator 6 includes a main body portion 61, and a pair of first engaging portions 7 are respectively arranged on both side portions of the main body portion 61, that is, both side portions of the main body portion 61 symmetric about the axis where the length direction of the syringe A is located.

[0074] A pair of second engaging portions 8, a pair of second engaging portions 8 are arranged inside the container body 2, and the positions of a pair of second engaging portions 8 correspond to those of a pair of first engaging portions 7;

[0075] The pair of second engaging portions 8 has a plurality of engaging positions arranged along the length direction, and the pair of first engaging portions 7 can be engaged with any engaging position to form different connection states of the disassembly connection assembly; based on this, by adjusting the engaging position of the first engaging portion 7, the installation position of the regulator 6 can be adjusted at a predetermined fine interval.

[0076] Further, the pair of first engaging portions 7 and the pair of second engaging portions 8 respectively have a serrated structure with a plurality of concave and convex teeth, and the serrated structure of the pair of first engaging portions 7 is engaged with any position of the pair of second engaging portions 8 to form an engaging position.

[0077] By setting the engaging positions of a pair of first engaging portions 7 and a pair of second engaging portions 8 into a serrated structure having a plurality of concave and convex teeth, a recess between any two concave and convex teeth of the serrated structure forms a different engaging position. By adjusting the engaging position between the first engaging portion 7 and the pair of second engaging portions 8, the position of the needle N can be finely adjusted in different adjustment gears. Such an adjustment method of the present utility model is completely different from the adjustment method of the structure in the prior art in which the convex portion of the first adapter is inserted into the concave portion on the side of the container body 2 from above, and can achieve a fine adjustment method that cannot be achieved in the prior art.

[0078] In this embodiment, the shape of the concave and convex teeth becomes a characteristic shape and functions as a mark for the user. Therefore, the installer can be easily guided to the installation position of the regulator 6 on the container body 2, improving the operability.

[0079] Moreover, since the pair of first engaging portions 7 protrude from both side surfaces in the short side direction of the regulator 6, they are substantially expanded in a planar shape.

[0080] Furthermore, when the first engaging portion 7 and the second engaging portion 8 are engaged to install the regulator 6 on the container body 2, the serrated engagement connection is a surface-to-surface connection, and the force-bearing area is relatively large. Therefore, when the pair of first engaging portions 7 and the pair of second engaging portions 8 are engaged, even if a force is applied to any one or both of the first engaging portion 7 and the pair of second engaging portions 8, these protruding serrated structures are not easily broken, which is beneficial to improving the structural strength.

[0081] Furthermore, the disassembly connection assembly further includes:

[0082] A pair of engaging claws 9 are provided inside the container body 2 and are symmetric about the axis in the length direction of the container body 2; when the pair of first engaging portions 7 and the pair of second engaging portions 8 are engaged, the pair of engaging claws 9 are respectively engaged with both side portions of the regulator 6.

[0083] Specifically, with the front cover 3 open, the user installs the regulator 6 on the container body 2 from the front side opening 20. At this time, the user adjusts the engaging position of the pair of first engaging portions 7 of the regulator 6 and the pair of second engaging portions 8 of the container body 2 so that the pair of first engaging portions 7 and the pair of second engaging portions 8 are respectively located at the target positions and engaged.

[0084] At this time, since the pair of engaging claws 9 are respectively engaged with the outer peripheral surface of the regulator 6 and the pair of engaging claws 9 are oppositely arranged, the regulator 6 can be fixed on the container body 2. Further, when it is necessary to remove the regulator 6 from the container body 2, the user only needs to remove the pair of engaging claws 9 from the regulator 6 and take out the regulator 6 to the outside.

[0085] In addition, with the regulator 6 fixed to the container body 2, the user inserts the front end portion of the syringe A into the bottom-side opening 22 of the container body 2, attaches the syringe barrel As of the syringe A to the regulator 6, and then discharges the plunger Ap of the syringe A to the outside through the regulator 6 from the top-side opening 21 of the container body 2. The syringe A is stored in the syringe auxiliary tool 1 by closing the front cover 3.

[0086] Moreover, when the user injects himself / herself with the syringe A, if the front end face of the needle cover 4 is pressed against the injection site, the needle cover 4 slides in the direction closer to the container body 2, causing the needle N inside the syringe A to protrude from the front end face of the needle cover 4 and penetrate the injection site.

[0087] At this time, as Figure 6 shown, by adjusting the engagement position between the pair of first engagement portions 7 and the pair of second engagement portions 8, the length by which the needle N protrudes from the front end face of the needle cover 4 can be adjusted, enabling injections corresponding to the user's body type, such as the thickness of subcutaneous fat, and the length of the needle N of different syringes A.

[0088] For example, if the user has an obese body type, due to the thick subcutaneous fat, it is necessary to set the length of the needle N of the syringe A to be longer. In this case, when the length of the needle N of the syringe A is short, it is necessary to set the length of the needle N of the syringe A protruding from the front end face of the rod 4 to be longer. Therefore, the user will engage the pair of first engagement portions 7 of the regulator 6 with the pair of second engagement portions 8 of the container body 2 at the end closer to the bottom-side opening 22 of the container body 2 among the pair of second engagement portions 8.

[0089] On the other hand, if the user has a thin body type, the subcutaneous fat is thin, so it is necessary to set the length of the needle N of the syringe A to be short. Further, when the length of the needle N of the syringe A is long, it is necessary to set the length of the needle N of the syringe A protruding from the front end face of the needle cover 4 to be shorter. Therefore, the user will engage the pair of first engagement portions 7 of the regulator 6 with the pair of second engagement portions 8 of the container body 2 at the end closer to the top-side opening 21 of the container body 2 among the pair of second engagement portions 8.

[0090] Preferably, in the present utility model, the engagement position between the first engagement portion 7 and the second engagement portion 8 can be adjusted at a fine interval such as 2 mm intervals.

[0091] Based on the foregoing structure, the syringe auxiliary tool 1 provided in this embodiment can finely adjust the length of the needle N and can provide a syringe auxiliary tool 1 with excellent versatility for the syringe A and the needle.

[0092] Further, in this embodiment, a first through-window 60 is formed in the regulator 6, and the first through-window 60 is located between a pair of first engaging portions 7;

[0093] In addition, a scale plate 23 is provided in the container body 2, and the scale plate 23 is located between a pair of second engaging portions 8; the scale in the scale plate 23 corresponds to the interval between adjacent engaging positions.

[0094] It can be understood that when the regulator 6 is installed on the container body 2, at a specific position opposite to the first through-window 60 of the regulator 6, a scale plate 23 with periodic unevenness along a pair of second engaging portions 8 is arranged. Based on this, as Figure 6 shown, the user can observe the scale of the scale plate 23 through the first through-window 60, so as to accurately fine-tune the engaging positions of the pair of first engaging portions 7 and the pair of second engaging portions 8.

[0095] Since the first engaging portion 7 and the second engaging portion 8 are arranged at positions where they can be confirmed from the outside, it is easy to adjust the engaging position.

[0096] Further, the auxiliary appliance for a syringe further includes:

[0097] A front cover 3, the front cover 3 is installed on the container body 2 through a hinge and can be driven to open and close the front side opening 20 of the container body 2.

[0098] Optionally, the front cover 3 can be installed on the container body 2 through a hinge, or disassembly and assembly portions can be respectively provided on the container body 2 and the front cover 3, so that the container body 2 and the front cover 3 can be detachably connected through the disassembly and assembly portions.

[0099] Further, as Figure 1 shown, a second through-window 31 is provided in the length direction of the front cover 3, and the second through-window 31 corresponds to the position of the regulator 6 for accommodating the syringe A. By providing the second through-window 31 in the length direction of the front cover 3, the syringe tube As of the syringe A can be directly viewed, so as to facilitate checking the remaining amount of the liquid medicine contained in the syringe tube As.

[0100] Further, the auxiliary appliance for a syringe further includes:

[0101] An elastomer 5, the elastomer 5 is provided between the inner surface of the bottom side of the container body 2 and the bottom side of the needle cover 4; specifically, the elastomer 5 is provided between the front end of the container body 2 and the inner surface of the needle cover 4 for applying a force to the needle cover 4.

[0102] When the needle cover 4 is moved towards the container body 2 under an external force, the elastomer 5 tends to be compressed, and when the external force is removed, the elastomer 5 forces the needle cover to move away from the container body 2.

[0103] Based on this, when the user finishes the injection and the front end face of the needle shield 4 leaves the injection site, the needle shield 4 returns to its original position through the elastic body 5. In this way, in the present utility model, according to the body type of the user or the length of the needle N of different syringes A, by adjusting the engagement position of the pair of first engaging portions 7 of the regulator 6 with the pair of second engaging portions 8 of the container body 2 at a small interval, the length of the needle N protruding from the front end face of the needle shield 4 can be finely adjusted.

[0104] Furthermore, no matter which position the engagement position of the pair of first engaging portions 7 and the pair of second engaging portions 8 is set to, the user can always observe the overall engagement form of the pair of first engaging portions 7 and the pair of second engaging portions 8 through the through window 6; while in the prior art, the engagement form cannot be known. Therefore, compared with the prior art, the present utility model can easily adjust the engagement position of the pair of first engaging portions 7 and the pair of second engaging portions 8 while confirming the engagement form, improving the operability.

[0105] Furthermore, when the user presses the front end face of the needle shield 4 against the injection site, the needle N is exposed due to the sliding of the needle shield 4, so it can be adapted to users who are not good at observing the needle N.

[0106] In this embodiment, as Figures 7 - 8 shown, the regulator 6 has a main body portion 61, a syringe holding portion 62, and a finger flange holding portion 63.

[0107] The syringe holding portion 62 is provided with a receiving groove that can be matched and connected with the syringe tube As of the syringe A; the finger flange holding portion 63 is provided with a flange-shaped limiting groove that can accommodate the finger flange Af of the syringe A.

[0108] Specifically, the syringe holding portion 62 can hold the syringe tube As of the syringe A in the regulator 6 to meet the use requirements, and is matched with the shape of the syringe tube As to achieve the holding effect on the syringe tube As.

[0109] Among them, the syringe holding portion 62 has an opening portion that can be matched and connected with the upper and lower end portions of the syringe tube As of the syringe A. The opening portion is a cylindrical shape that matches the syringe tube As of the syringe A, and its shape changes according to the outer edge shape of the flange of the syringe A.

[0110] In addition, the finger flange holding portion 63 of the syringe A has a flange-shaped opening portion that can accommodate the finger flange Af of the syringe A, and changes according to the shape of the finger flange Af of the syringe A.

[0111] Specifically, the finger flange Af of the syringe A is a portion that protrudes along the circumferential direction of the syringe A to be limited within the finger flange holding portion 63. The finger flange holding portion 63 can limit the finger flange Af of the syringe A in the regulator 6 and is matched with the shape of the finger flange Af.

[0112] Based on this, even if the types of syringe A are different, by changing the regulator 6, any type of syringe A can be mounted on the container body 2 via the regulator 6, thereby improving the versatility of syringe A and the needle N.

[0113] In summary, in the prior art, the regulator 6 is dedicated to the syringe barrel As or the needle N of one syringe A, and there is a problem that it cannot be applied to other types of syringe A or needle N. In the present utility model, for the regulator 6, by sharing the main body portion 61 mounted on the syringe auxiliary tool 1, the syringe holding portion 62 and the finger flange holding portion 63 constituting the other holding portions are made into a structure that can be appropriately changed, so that the regulator 6 is universalized and can be used for the syringe barrels As and needles N of various syringes A on site.

[0114] Furthermore, Figures 7 - 8 It shows three types of regulators 6 corresponding to three types of syringes A respectively.

[0115] Here, the first engaging portions 7 of the respective regulators 6 among the multiple regulators 6 are appropriately provided, so that even when different syringes A are used, the length of the needle protruding from the front end face of the needle cover 4 can be adjusted to a specified range, for example, within 6.0 mm to 12.0 mm.

[0116] However, the structures of the first engaging portion 7 and the second engaging portion 8 are not particularly limited in this embodiment. For example, the first engaging portion 7 may protrude in a periodic concave-convex shape along the length direction of the regulator 6 and toward the outside of the regulator 6; the second engaging portion 8 may protrude in a periodic concave-convex shape along the length direction of the container body 2 and toward the inside of the container body 2; both are within the protection scope of this embodiment.

[0117] In this embodiment, as Figure 9 shown, a plurality of guide plates are provided on the front cover 3, and the plurality of guide plates are located on the inner surface of the front cover 3 and are distributed along the length direction of the front cover 3.

[0118] Among them, cutouts 30 are respectively provided on each guide plate, the cutouts 30 are arranged facing the regulator 6, and the position of the regulator 6 corresponds to the position for accommodating the syringe A of the regulator 6; each cutout 30 has a different depth, so that any one or more cutouts 30 match the outer edge shape of the syringe barrel As of different syringes A.

[0119] Specifically, the incision 30 may include deformed incisions 30a, which are respectively provided on the three guide plates, and when two different syringes A are accommodated in the container body 2, the combinations in the three deformed incisions 30a can all overlap with the outer edges of the syringe barrels As of the two syringes A. Thus, the syringe barrels As of different types of syringes A can be held by one front cover 3.

[0120] Furthermore, in the present utility model, in addition to the deformed incisions 30a, the front cover 3 further includes circular incisions 30b, and the circular incisions 30b cooperate with the deformed incisions 30a to achieve the accommodation of the syringe barrels As of the accommodated syringes A. Among them, the deformed incisions 30a are designed according to the profiling of the syringe barrels As.

[0121] Furthermore, there is no particular limitation on the materials of the container body 2, the front cover 3, the needle cover 4, the regulator 6, the pair of first engaging portions 7, the pair of second engaging portions 8, and the pair of engaging claws 9, and for example, ABS resin, polystyrene, polyethylene, polypropylene, aluminum, iron, stainless steel, or their combinations can be cited respectively.

[0122] Among them, in order to visually confirm the accommodated syringe A, preferably, the material of the front cover 3 is a transparent material.

[0123] Furthermore, there is no particular limitation on the structure of the elastic body 5. For example, a spiral spring, a leaf spring, etc. can be adopted. At the same time, there is no particular limitation on the material of the elastic body 5. For example, iron, stainless steel, copper, nickel alloy, etc. can be cited.

[0124] Furthermore, there is no particular limitation on the periodic uneven shape of the pair of first engaging portions 7 and the pair of second engaging portions 8, but it can also be formed in the shape of a triangular wave as shown Figures 1 - 9 or other shapes such as arranged rectangular waves, sawtooth waves, semi - circles or semi - ellipses. In addition, the pair of second engaging portions 8 are configured in a U - shape, and periodic uneven protrusions are provided on the inner side, but it is not limited thereto, and periodic uneven protrusions can also be provided only.

[0125] Next, the function and effect of the auxiliary tool 1 for syringe of the present utility model will be described.

[0126] As Figure 10 shown, let the length protruding from the needle tip N be A, the length of the needle main body portion including the needle tip N be B, the length from the front end of the syringe body to the finger flange Af be C, the length from the front end of the needle to the finger flange Af be D, and the length of the needle protruding from the needle cover 4 be E.

[0127] Among them, the syringes As of syringe A use 3 types of existing products, namely a to c; the needle bodies use 2 types of existing products, namely d and e; they are combined respectively, and the engagement positions of the pair of first engagement portions 7 of the regulator 6 of the present utility model and the pair of second engagement portions 8 of the container body 2 are adjusted in 4 adjustment gears, and an attempt is made to adjust the length E of the needle protruding from the needle shield 4.

[0128] The results are as Figure 10 shown. If the existing product a and the existing product d are combined, the length E of the needle can be changed to 6.0 mm, 8.0 mm, 10.0 mm, and 12.0 mm. Further, if the existing product a and the existing product e are combined, the length E of the needle can be changed to 4.2 mm, 6.2 mm, 8.2 mm, and 10.2 mm. If the existing product b and the existing product d are combined, the length E of the needle can be changed to 6.0 mm, 8.0 mm, 10.0 mm, and 12.0 mm. Further, if the existing product b and the existing product e are combined, the length E of the needle can be changed to 4.0 mm, 6.0 mm, 8.0 mm, and 10.0 mm. Even if the existing product c and the existing product d are combined, the length E of the needle is 6.0 mm, 8.0 mm, 10.0 mm, and 12.0 mm. Further, if the existing product c and the existing product e are combined, the length E of the needle can be changed to 4.3 mm, 6.3 mm, 8.3 mm, and 10.3 mm.

[0129] In this way, by using the auxiliary tool for syringe of the present utility model, even when the types of the syringes As of syringe A are different and the lengths of the needles of syringe A are different, the change in the length of the needle protruding from the needle shield 4 can be within the range of 4.0 mm to 12.0 mm. That is, even if the types of the syringes As of syringe A and the lengths of the needles of syringe A are different, the length of the needle can be finely adjusted according to the user's body type, for example, the length of the needle can be finely adjusted according to the thickness of subcutaneous fat.

[0130] As described above, the present utility model is not limited to its own syringe, and can also be applied to any syringe, and is effective as an auxiliary tool for syringe that can finely adjust the length of the needle and has excellent versatility for syringes and needles.

[0131] Finally, it should be noted that although the above embodiments have been described in the text and drawings of the specification of the present application, the patent protection scope of the present application cannot be limited thereby. Any technical solutions obtained by equivalent structure or equivalent process substitution or modification based on the essential concept of the present application and using the content recorded in the text and drawings of the specification of the present application, as well as those directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are all included in the patent protection scope of the present application.

Claims

1. A syringe auxiliary tool, characterized in that: include: A container body (2), the container body (2) having a front opening (20) located at the front side, and a container top opening (21) and a container bottom opening (22) located at both ends in the length direction of the container body; A needle shield (4), the needle shield (4) being movably connected to the container body (2) and being able to slide along the length direction of the syringe (A); the needle shield (4) having a needle shield top opening (40) and a needle shield bottom opening (41) at two ends along its length direction respectively; A regulator (6), the regulator (6) being used to mount a syringe (A); the regulator (6) being detachably connected to the container body (2) from the front side opening (20) by disassembling a connecting assembly; when the syringe (A) is received in the front side opening (20) through the regulator (6), the plunger (Ap) of the syringe (A) protrudes from the top side opening (21) of the container, and the needle (N) of the syringe (A) protrudes from the bottom side opening (22) of the container; The disassembly connection assembly has a plurality of connection states, and in different connection states, the connection positions of the regulator (6) and the container body (2) are different, so that the length of the needle (N) protruding from the bottom opening (22) of the container is different.

2. The syringe auxiliary tool according to claim 1, characterized in that: The disassembly connection assembly comprises: a pair of first engaging portions (7); the regulator (6) comprises a main body (61), and the pair of first engaging portions (7) are respectively arranged on two sides of the main body (61); A pair of second snap-fitting portions (8), the pair of second snap-fitting portions (8) being arranged inside the container body (2), and the position of the pair of second snap-fitting portions (8) corresponds to the position of the pair of first snap-fitting portions (7); The pair of second engaging portions (8) have a plurality of engaging positions arranged along the length direction, and the pair of first engaging portions (7) can be engaged at any of the engaging positions to form different connection states of the detachable connection assembly.

3. The syringe auxiliary tool according to claim 2, characterized in that: The pair of first engaging parts (7) and the pair of second engaging parts (8) are respectively in the form of sawtooth structures having a plurality of concave and convex teeth, and the sawtooth structures of the pair of first engaging parts (7) are meshed with any position of the pair of second engaging parts (8) to form the engaging position.

4. The syringe auxiliary tool according to claim 2, characterized in that: The regulator (6) is provided with a first through window (60), and the first through window (60) is located between the pair of first engaging portions (7); A scale plate (23) is provided in the container body (2), and the scale plate (23) is located between the pair of second engaging portions (8); The scale in the scale plate (23) corresponds to the interval between adjacent engaging positions.

5. The syringe auxiliary tool according to claim 4, characterized in that: Also includes: A front cover (3) is mounted on the container body (2) via a hinge and can be driven to open and close a front opening (20) of the container body (2).

6. The syringe auxiliary tool according to claim 5, characterized in that: A second through window (31) is provided in the length direction of the front cover (3), and the second through window (31) corresponds to a position of the regulator (6) for accommodating the syringe (A).

7. The syringe auxiliary tool according to claim 5, characterized in that: The front cover (3) is provided with a plurality of guide plates, the plurality of guide plates are located on the inner surface of the front cover (3), and the plurality of guide plates are distributed along the length direction of the front cover (3); A cutout (30) is respectively provided on each of the guide plates, the cutout (30) being arranged towards the regulator (6), and the position of the regulator (6) corresponds to the position of the regulator (6) for accommodating the syringe (A); Each of the incisions (30) has a different depth, so that any one or more of the incisions (30) can match the outer edge shape of the needle tube (As) of different syringes (A).

8. The syringe auxiliary tool according to claim 2, characterized in that: The disassembly connection assembly also includes: A pair of engaging claws (9), the pair of engaging claws (9) being arranged inside the container body (2) and symmetrical about an axis along the length direction of the container body (2); When the pair of first engaging portions (7) engage with the pair of second engaging portions (8), the pair of engaging claws (9) respectively engage with two side portions of the regulator (6).

9. The syringe auxiliary tool according to claim 1, characterized in that: Also includes: an elastic body (5), the elastic body (5) being arranged between the bottom side of the container body (2) and the inner surface of the bottom side of the needle shield (4); When the needle shield (4) is moved towards the direction approaching the container body (2) by an external force, the elastic body (5) tends to be compressed; when the external force is removed, the elastic body (5) forces the needle shield to move towards the direction away from the container body (2).

10. The syringe auxiliary tool according to claim 1, characterized in that: The regulator (6) comprises a syringe holding portion (62) and a finger-shaped flange holding portion (63) which are communicated with each other; The syringe holding portion (62) is provided with a receiving groove capable of matching and connecting with the needle tube (As) of the syringe (A); The finger-shaped flange retaining portion (63) is provided with a flange-shaped limiting groove capable of accommodating the finger-shaped flange (Af) of the syringe (A).

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