CN219440262U

CN219440262U - Injector with medicine storage function

Info

Publication number: CN219440262U
Application number: CN202320131752.6U
Authority: CN
Inventors: 金海�; 梁国标
Original assignee: General Hospital of Shenyang Military Region
Current assignee: General Hospital of Shenyang Military Region
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-08-01
Anticipated expiration: 2033-01-13

Abstract

The application relates to the technical field of medical equipment, in particular to an injector with a medicine storage function, wherein the injector with the medicine storage function comprises: the injection piece comprises an outer tube of the injector and a medicine pushing component; an injection cavity is formed in the outer tube of the injector, the medicine pushing component stretches into the injection cavity, so that a part of the injection cavity, which does not stretch into the medicine pushing component, is formed into a closed space, and when the medicine pushing component slides along the direction of increasing the closed space, negative pressure is formed in the closed space; a medicine storage cavity for storing medicine liquid is formed in the medicine storage part, the medicine storage cavity is communicated with the injection cavity, and negative pressure can suck the medicine liquid in the medicine storage cavity into the closed space; the refrigerating piece is connected with the medicine storage piece and is used for ensuring that the medicine liquid is at a preset storage temperature. The application provides an injector with deposit medicine function sets up injection and deposit medicine into integral type structure, and the user is convenient, labour saving and time saving at the extraction liquid medicine. In addition, the refrigerating piece can carry out temperature control to the liquid medicine to guarantee the storage requirement of liquid medicine, avoid the liquid medicine inefficacy.

Description

Injector with medicine storage function

Technical Field

The application relates to the technical field of medical equipment, in particular to a syringe with a medicine storage function.

Background

At present, when the medicine is injected to a patient through the injector, the injection in the medicine bottle is required to be extracted firstly and then the patient is injected, when the medicine bottle is an ampoule bottle, the injection difficulty is improved due to difficulty in opening, and when the number of the patients is large, the injection process is time-consuming and labor-consuming due to repeated bottle opening, so that the labor intensity is high. In addition, some medical fluids (such as serum and vaccine) require storage temperature, and some devices with integrated medicine bottles and syringes do not have temperature regulation function, so that the medical fluids in the medicine bottles are easy to denature or lose efficacy.

Disclosure of Invention

The purpose of this application is to provide an syringe with deposit medicine function to solve the injection liquid medicine process of current syringe to a certain extent and waste time and energy, and can't carry out temperature control to the liquid medicine, cause the liquid medicine to appear the problem of circumstances such as denaturation or inefficacy easily.

The application provides an injector with deposit medicine function, include:

the injection piece comprises an outer syringe tube and a medicine pushing assembly which is in sliding connection with the outer syringe tube;

an injection cavity is formed in the outer tube of the injector, and part of the medicine pushing component stretches into the injection cavity and is in butt joint with the inner wall of the injection cavity, so that a closed space is formed in the part of the injection cavity, which does not stretch into the medicine pushing component, and negative pressure is formed in the closed space when the medicine pushing component slides along the direction of increasing the closed space;

the medicine storage part is arranged on the outer wall of the outer tube of the injector, a medicine storage cavity for storing medicine liquid is formed in the medicine storage part, and the medicine storage cavity can be communicated with the injection cavity, so that the medicine liquid in the medicine storage cavity can be sucked into the closed space by negative pressure formed in the closed space;

the refrigerating piece is connected with the medicine storage piece and can refrigerate to ensure that the medicine liquid in the medicine storage piece is at a preset storage temperature.

In the above technical solution, further, the medicine pushing component includes a push rod, and a piston and a grab handle disposed at two ends of the push rod in the length direction;

the push rod extends along the sliding direction of the medicine pushing assembly, the piston is arranged at one end of the medicine pushing assembly extending into the outer tube of the syringe, and the piston is made of elastic materials, so that the circumferential side wall of the piston is attached to the inner wall of the medicine storage cavity;

the grab handle is arranged outside the injection cavity.

In any of the above technical solutions, further, the medicine pushing assembly further includes a sealing member sleeved on a sidewall of the push rod;

the sealing element is arranged between the piston and the grab handle, and when the piston stretches into the innermost part of the medicine storage cavity, the sealing element is attached to the outer wall of the outer tube of the syringe and seals the opening of the medicine storage cavity.

In any of the above technical solutions, further, the injection device further includes a needle tube, and one end of the needle tube in the length direction is connected with the outer tube of the injector; in the process of sucking the liquid medicine in the airtight space, the joint of the needle tube and the outer tube of the injector is in an airtight state; after the airtight space absorbs the liquid medicine, the connection part of the needle tube and the outer tube of the injector is communicated, and the medicine pushing component is pushed to enable the liquid medicine to flow out of the needle tube.

In any of the above technical solutions, further, the injection device further includes a needle cap sleeved on the needle tube; the other end of the needle tube in the length direction is formed into an injection part, the injection part is formed into a tip structure, and the needle cap sleeved on the needle tube is enclosed outside the injection part.

In any of the above technical solutions, further, a connection portion extending toward the outer tube of the syringe is formed on an outer wall of the drug storage member, and the connection portion is formed in a ring-shaped structure so as to be enclosed on the outer wall of the outer tube of the syringe.

In any of the above technical solutions, the medical device further includes a flow direction control member, wherein the flow direction control member is disposed on a communication path between the medicine storage cavity and the injection cavity, so that the medical liquid can only flow from the medicine storage cavity to the injection cavity.

In any of the above technical solutions, further, the medicine storage part is formed into a box structure, and a placement pad is disposed at one end of the box structure facing away from the outer tube of the injector;

the side of the placing pad, which faces away from the medicine storage piece, is formed into a friction part.

In any of the above technical solutions, further, the cooling member is attached to an outer wall of the medicine storage member, and a power supply interface is formed on the outer wall of the cooling member.

In any of the above technical solutions, the device further comprises a holding piece connected with the outer tube of the syringe, the holding piece is sleeved on the outer wall of the outer tube of the syringe and is formed with a holding part extending back to the outer tube of the syringe, and the holding part is formed into a closed annular structure for the fingers of a user to extend in.

Compared with the prior art, the beneficial effects of this application are:

the utility model provides an injector with deposit medicine function sets up injection and deposit medicine into integral type structure for the user can realize the extraction of liquid medicine when pulling pushing away medicine subassembly, saves the process of opening and handling the medicine bottle, labour saving and time saving, convenient to use. In addition, the injector with medicine storage function is also provided with a refrigerating part to control the temperature of the medicine liquid in the medicine storage part, thereby ensuring the medicine liquid storage requirement and further avoiding the denaturation or failure of the medicine liquid.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a syringe with a drug storage function according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a syringe with drug storage function according to an embodiment of the present disclosure under another view angle;

FIG. 3 is an exploded view of the structure of a syringe with drug storage function according to an embodiment of the present application;

fig. 4 is a structural cross-sectional view of a syringe with a drug storage function according to an embodiment of the present application.

Reference numerals:

10-an injection member; 11-syringe outer tube; 111-injection lumen; 12-a drug pushing component; 121-push rod; 122-piston; 123-grab handle; 124-seals; 13-needle tube; 14-needle cap; 20-storing medicine pieces; 21-a medicine storage cavity; 22-connecting part; 23-placing a pad; 30-refrigerating piece; 31-a power supply interface; 40-flow direction control; 50-a grip; 51-grip.

Detailed Description

The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, apparatus, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatuses, and/or systems described herein will be apparent after an understanding of the present disclosure. For example, the order of operations described herein is merely an example, and is not limited to the order set forth herein, but rather, obvious variations may be made upon an understanding of the present disclosure, other than operations that must occur in a specific order. In addition, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided solely to illustrate some of the many possible ways of implementing the methods, devices, and/or systems described herein that will be apparent after a review of the disclosure of the present application.

In the entire specification, when an element (such as a layer, region or substrate) is described as being "on", "connected to", "bonded to", "over" or "covering" another element, it may be directly "on", "connected to", "bonded to", "over" or "covering" another element or there may be one or more other elements interposed therebetween. In contrast, when an element is referred to as being "directly on," directly connected to, "or" directly coupled to, "another element, directly on," or "directly covering" the other element, there may be no other element intervening therebetween.

As used herein, the term "and/or" includes any one of the listed items of interest and any combination of any two or more.

Although terms such as "first," "second," and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first member, component, region, layer or section discussed in examples described herein could also be termed a second member, component, region, layer or section without departing from the teachings of the examples.

For ease of description, spatially relative terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to another element would then be oriented "below" or "lower" relative to the other element.

Thus, the term "above … …" includes both orientations "above … …" and "below … …" depending on the spatial orientation of the device. The device may also be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. Singular forms also are intended to include plural forms unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" are intended to specify the presence of stated features, integers, operations, elements, and/or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, and/or groups thereof.

Variations from the shapes of the illustrations as a result, of manufacturing techniques and/or tolerances, are to be expected. Accordingly, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shapes that occur during manufacture.

The features of the examples described herein may be combined in various ways that will be apparent after an understanding of the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible as will be apparent after an understanding of the present disclosure.

The syringe with medicine storage function according to some embodiments of the present application includes an injection member 10, a medicine storage member 20, and a refrigerating member 30.

In the present embodiment, referring to fig. 1 to 4, the injection member 10 is formed in a strip-shaped tubular structure, and specifically, the injection member 10 includes a syringe outer tube 11 and a drug pushing assembly 12 slidably connected to the syringe outer tube 11; the syringe outer tube 11 is formed in a tubular structure, an injection chamber 111 is formed inside thereof, the injection chamber 111 extends in the length direction of the syringe outer tube 11, so that an end of the injection chamber 111 is formed as an opening provided at an end of the syringe outer tube 11 in the length direction; the medicine pushing component 12 extends into the injection cavity 111 from the opening, and part of the medicine pushing component 12 extends into the injection cavity 111 and is abutted with the inner wall of the injection cavity 111, so that a part of the injection cavity 111, into which the medicine pushing component 12 does not extend, is formed into a closed space; when the medicine pushing assembly 12 is pulled to slide along the direction of increasing the closed space, negative pressure is formed in the closed space and is used for sucking medicine liquid; when the sealed space contains the drug solution, the drug pushing component 12 is pushed to slide along the direction of reducing the sealed space (namely, the direction of moving close to the needle tube 13), so that the drug solution can be pushed to flow out from the needle tube 13. Further, the outer syringe tube 11 is formed of a transparent material so as to facilitate the viewing of the condition inside the injection cavity 111, and the outer wall of the outer syringe tube 11 is provided with scale values.

More specifically, the drug delivery assembly 12 includes a push rod 121 and a piston 122 and a grip 123 provided at both ends in the length direction of the push rod 121; the push rod 121 is formed in a bar-shaped bar-like structure, the push rod 121 extends in the sliding direction of the push assembly 12, and the circumferential side wall of the push rod 121 is preferably formed with a reinforcing structure protruding outward to ensure the strength of the push rod 121, for example, the cross section of the push rod 121 may be formed in a cross-shaped structure; the piston 122 is disposed at an end of the drug delivery assembly 12 extending into the syringe outer tube 11, and the piston 122 is formed of an elastic material, such as rubber, so that a circumferential side wall thereof is fitted to an inner wall of the drug storage chamber 21, such that the piston 122 closes a portion of the injection chamber 111, thereby forming a closed space. The grip 123 is provided at the outside of the injection cavity 111 to facilitate the user to pull or push the push rod 121, and the grip 123 may be formed in a plate-like, sheet-like or rod-like structure protruding outward along the sidewall of the push rod 121 to facilitate the user's fingers to catch or press the grip 123.

Further, the medicine pushing assembly 12 further comprises a sealing member 124 sleeved on the side wall of the push rod 121; the sealing member 124 is preferably formed in a plate-like structure perpendicular to the longitudinal direction of the push rod 121, and is disposed between the piston 122 and the grip 123, and when the piston 122 is extended into the innermost portion of the medicine storage chamber 21 (i.e., when the syringe having the medicine storage function is in an unused state), the sealing member 124 is attached to the outer wall of the syringe outer tube 11 and closes the opening of the medicine storage chamber 21, so that foreign matters such as external dust are prevented from entering the medicine storage chamber 21, thereby ensuring the cleanliness of the medicine storage chamber 21. It should be noted that, the sealing member 124 is fixedly connected to the push rod 121, and when the push rod 121 slides in the medicine storage chamber 21, the sealing member 124 moves synchronously with the push rod 121.

When the closed space forms negative pressure, a user needs to apply a larger force to enable the medicine pushing assembly 12 to slide in the injection cavity 111, in order to facilitate the application of force by the user, in the embodiment, as shown in fig. 1 to 4, the syringe with medicine storage function further comprises a holding piece 50 connected with the syringe outer tube 11, the holding piece 50 is fixedly connected with the syringe outer tube 11, the holding piece 50 is sleeved on the outer wall of the syringe outer tube 11 and is provided with a holding part 51 extending back to the syringe outer tube 11, and the holding part 51 is formed into a closed annular structure for the fingers of the user to extend in; in the preferred embodiment, two holding parts 51 are provided, and the two holding parts 51 are symmetrically provided at both sides of the outer syringe tube 11, so that the thumb and index finger of the user can extend into the holding parts and press the outer syringe tube 11, and when the user pulls the medicine pushing assembly 12, the fingers of the user extending into the holding parts 51 do not slide on the side wall of the outer syringe tube 11, thereby facilitating the application of force by the user and further realizing the suction of the medicine liquid.

In the present embodiment, as shown in fig. 1 to 4, a medicine storage member 20 is provided on the outer wall of an outer tube 11 of the syringe, a medicine storage chamber 21 for storing medicine liquid is formed inside the medicine storage member 20, the medicine storage chamber 21 can communicate with an injection chamber 111, so that negative pressure formed in the closed space can suck medicine liquid in the medicine storage chamber 21 into the closed space; the medicine storage member 20 is formed in a box-type structure and is preferably provided at one end of the syringe outer tube 11 which is distant from the opening of the injection chamber 111 in the length direction, so that the medicine storage chamber 21 can be ensured to communicate with the injection chamber 111 in time immediately after the negative pressure is formed in the closed space.

Further, the outer wall of the medicine storage piece 20 is formed with a connecting portion 22 extending towards the outer tube 11 of the injector, and the connecting portion 22 is formed into a ring structure so as to be enclosed on the outer wall of the outer tube 11 of the injector, thus improving the connection stability of the medicine storage piece 20 and the outer tube 11 of the injector and ensuring the firm connection between the medicine storage piece 20 and the injection piece 10.

Further, in the present embodiment, as shown in fig. 1 to 4, the end of the medicine storage member 20 of the box-type structure facing away from the syringe outer tube 11 is provided with a placement pad 23; the side of the placement pad 23 facing away from the medicine storage member 20 is formed as a friction portion, so that the syringe having the medicine storage function can be placed stably, and the friction portion may have a dot-like or strip-like texture, and the structure may be a protrusion or a depression.

In this embodiment, referring to fig. 1 to 4, the injector with medicine storage function further includes a flow direction control member 40, where the flow direction control member 40 may use a one-way valve, and the flow direction control member 40 is disposed on a communication path between the medicine storage cavity 21 and the injection cavity 111, so that the medicine liquid can only flow from the medicine storage cavity 21 to the injection cavity 111, so as to avoid medicine liquid waste caused by backflow of the medicine liquid in the injection cavity 111 into the medicine storage cavity 21; the communication path of the medicine storage chamber 21 and the injection chamber 111 may be formed in a tubular structure.

In this embodiment, referring to fig. 1 to 4, the refrigerating member 30 is connected to the medicine storing member 20, and the refrigerating member 30 can refrigerate to ensure that the medicine liquid in the medicine storing member 20 is at a preset storage temperature. In a preferred embodiment, the refrigerating member 30 is attached to the outer wall of the medicine storage member 20, the outer wall of the refrigerating member 30 is formed with a power supply interface 31, and when the refrigerating member 30 is electrified, the refrigerating function can be realized, and the temperature of the medicine liquid in the medicine storage cavity 21 is adjusted through heat exchange so as to avoid the denaturation or failure of the medicine liquid. The cooling element 30 may be a semiconductor cooling plate, and the type of the semiconductor cooling plate may be TEC1-12706.

In the present embodiment, referring to fig. 1 to 4, the injection member 10 further includes a needle tube 13, and one end of the needle tube 13 in the longitudinal direction is connected to the injector outer tube 11. When the drug delivery assembly 12 is slid in a direction to increase the enclosed space, the enclosed space is preferably not in communication with the needle cannula 13 so that a negative pressure is created within the enclosed space sufficient to draw the drug solution in the drug storage chamber 21 into the injection chamber 111. Specifically, in the process of sucking the liquid medicine in the closed space, the joint of the needle tube 13 and the outer tube 11 of the injector is in a closed state; after the airtight space absorbs the liquid medicine, the connection part of the needle tube 13 and the outer tube 11 of the injector is communicated, the medicine pushing component 12 is pushed to enable the liquid medicine to flow out of the needle tube 13, and a switch and other structures can be arranged at the connection part of the needle tube 13 and the outer tube 11 of the injector, so long as the connection part can control whether the needle tube 13 is communicated with the injection cavity 111 or not.

In this embodiment, referring to fig. 1 to 4, the injection device 10 further includes a cap 14 sleeved on the needle tube 13; the other end of the needle tube 13 in the length direction is formed into an injection part, the injection part is formed into a tip structure, and a needle cap 14 sleeved on the needle tube 13 is arranged outside the injection part in a surrounding manner so as to prevent the needle tube 13 from being exposed, thereby ensuring that the injection part cannot scratch a user.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An injector with a drug storage function, characterized in that the injector with the drug storage function comprises:

2. The syringe with medicine storing function according to claim 1, wherein the medicine pushing assembly comprises a push rod and a piston and a grip arranged at both ends in a length direction of the push rod;

the grab handle is arranged outside the injection cavity.

3. The syringe with drug storage function according to claim 2, wherein the drug pushing component further comprises a sealing piece sleeved on the side wall of the push rod;

4. The syringe with medicine storage function according to claim 1, wherein the injection member further comprises a needle tube, and one end of the needle tube in the length direction is connected with the syringe outer tube; in the process of sucking the liquid medicine in the airtight space, the joint of the needle tube and the outer tube of the injector is in an airtight state; after the airtight space absorbs the liquid medicine, the connection part of the needle tube and the outer tube of the injector is communicated, and the medicine pushing component is pushed to enable the liquid medicine to flow out of the needle tube.

5. The injector with medicine storing function according to claim 4, wherein the injection member further comprises a needle cap sleeved on the needle tube; the other end of the needle tube in the length direction is formed into an injection part, the injection part is formed into a tip structure, and the needle cap sleeved on the needle tube is enclosed outside the injection part.

6. The syringe with medicine storage function according to claim 1, wherein the outer wall of the medicine storage member is formed with a connecting portion extending toward the syringe outer tube, and the connecting portion is formed in a ring-like structure so as to be enclosed on the outer wall of the syringe outer tube.

7. The syringe with a medicine storage function according to claim 1, further comprising a flow direction control member provided on a communication path of the medicine storage chamber and the injection chamber so that the medicine liquid can flow from the medicine storage chamber to the injection chamber only.

8. The syringe with medicine storage function according to claim 1, wherein the medicine storage piece is formed into a box type structure, and a placing pad is arranged at one end of the box type structure, which is away from the outer tube of the syringe;

9. The injector with medicine storage function according to claim 1, wherein the refrigerating piece is attached to the outer wall of the medicine storage piece, and a power supply interface is formed on the outer wall of the refrigerating piece.

10. The syringe with medicine storing function as set forth in claim 1, further comprising a holding member connected to the syringe outer tube, the holding member being fitted over an outer wall of the syringe outer tube and formed with a holding portion extending away from the syringe outer tube, the holding portion being formed in a closed ring-like structure for a user's finger to be inserted.