CN215025073U - Mouth moistening needle head for connecting syringe - Google Patents

Abstract

The utility model relates to a mouth moistening needle head for connecting a syringe, which comprises an extension tube and a sprinkler head, wherein an inner cavity is formed in the sprinkler head, and the sprinkler head is provided with a plurality of water spray holes which are respectively communicated with the inner cavity; one end of the extension pipe is provided with a connecting part for detachably connecting a syringe, the other end of the extension pipe is connected with the sprinkler head, and the extension pipe is communicated with the inner cavity; the utility model provides a moist mouthful syringe needle, simple structure, compactness, low in manufacturing cost not only can use with the syringe cooperation, and convenient to use, be favorable to reducing use cost, be favorable to making clinical moist mouthful nursing succinct more high-efficient moreover to make this type of patient obtain safe satisfied moist mouthful effect.

Description

Mouth moistening needle head for connecting syringe

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to a moist mouthful syringe needle for connecting syringe.

Background

In clinic, partial patients can swallow and choke cough and dysphagia due to the nerve controlling the movement of throat or the pathological changes of throat; in this case, if the patient continues to take the food through the mouth, aspiration is easy to occur to cause serious lung infection, thereby endangering the life of the patient; therefore, nasal feeding, gastrostomy, or intravenous nutrition is often used during the administration to maintain the necessary feeding needs of the patient. However, the problem that is brought about at the same time is that the patient can not take food through the mouth for a long time, which causes the strong dry feeling of the oral mucosa, greatly reduces the medical experience of the patient, and sometimes even causes the anxiety and hopelessness of the patient.

To alleviate the discomfort of such patients with xerostomia, two of the most commonly used methods in the clinic today are: firstly, a medical cotton swab is put into the mouth of a patient to be gently stirred after being soaked with water or the patient is enabled to suck; secondly, a medical injector is used for extracting a little liquid and then directly injecting the liquid into the mouth of a patient. However, in clinical practice, the former method has a very limited amount of water which is fed into the oral cavity of a patient, and the requirement of the patient for fully moistening the oral cavity cannot be met even after the former method is repeatedly carried out, and chemical components inevitably exist on a medical cotton swab, so that the influence of the long-term use of the method on the health of the patient is not clear, and cotton wool of the cotton swab after being soaked falls off in the oral cavity to cause the risk of aspiration or long-term retention; the latter method has the problems that the liquid in the injection opening can only soak the oral mucosa towards which the injection head faces, and the oral and lingual mucosa close to the throat cannot be moistened due to the limitation of the size of the injector, so that the mouth cannot be moistened uniformly; the mouth moistening device disclosed in the prior art has the problems of complex structure, high cost, incapability of adapting to an injector and poor universality, and needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough that exists among the prior art, provide a moist mouthful syringe needle for connecting syringe, simple structure, compactness not only can use with the syringe cooperation, and use cost is low, is favorable to making clinical moist mouthful nursing succinct more high-efficient moreover to make this type of patient obtain safe satisfied moist mouthful effect.

The utility model adopts the technical proposal that:

in order to solve the problems of the existing mouth moistening mode, the existing mouth moistening device has the disadvantages of complex structure, high cost, incapability of adapting to an injector and poor universality, the mouth moistening needle for connecting the injector comprises an extension tube and a sprinkler head, wherein,

an internal cavity is formed in the sprinkler head, the sprinkler head is provided with a plurality of water spray holes, and the water spray holes are respectively communicated with the internal cavity;

one end of the extension pipe is provided with a connecting part for detachably connecting a syringe, the other end of the extension pipe is connected with the sprinkler head, and the extension pipe is communicated with the inner cavity. In the scheme, the connecting part is constructed at one end of the extension tube, so that the mouth moistening needle can be conveniently connected with a nipple of an injector, the communication with the injector can be realized, the mouth moistening needle can be matched with a conventional injector, mouth moistening liquid and spraying power can be provided by using the injector, and the use cost can be obviously reduced; but also can realize detachable connection, so that the syringe and the mouth moistening needle can be conveniently separated; by constructing the extension tube, after the mouth moistening needle head is connected with the injector, a proper distance is reserved between the cylinder body of the injector and the sprinkler head, so that the sprinkler head can be conveniently placed in the oral cavity of a patient during mouth moistening operation, the mucous membrane of the mouth and tongue close to the throat part can be moistened, and the moistening effect cannot be influenced due to the limitation of the size of the injector; by constructing the sprinkler head and the water spray holes on the sprinkler head, the mouth moistening liquid in the injector can be uniformly sprayed into the oral cavity of a patient through the water spray holes under the action of the injection pressure of the injector, so that the aim of moistening the oral cavity can be fulfilled, the spraying area can be increased, and the spraying is more uniform; compare in current moist mouthful device, this moist mouthful syringe needle uses with the syringe cooperation, and simple structure, compactness not only low in manufacturing cost are favorable to reduceing patient's economic burden, and convenient to use, use cost are low moreover, are favorable to making clinical moist mouthful nursing succinct more high-efficient to make this type of patient obtain safe satisfied moist mouthful effect.

In order to facilitate the entry/exit into/from the oral cavity of the patient, it is preferable that the sprinkler head has a flat structure, a cylindrical structure, a spherical structure, an ellipsoidal structure, or a rectangular parallelepiped structure. Not only is beneficial to low-cost forming, but also can be conveniently moved in/out of the oral cavity of a patient.

In order to solve the problem of uniformly spraying the fountain solution, it is preferable that the water discharge holes are uniformly formed on the surface of the spray head. In this scheme, through even structure hole for spout, keep away from on the sprinkler the one end of extension pipe has also constructed the hole for spout, makes this moist mouthful syringe needle can be convenient carry out moist to the orolingual mucosa that is close to the throat, and when in-service use, after this sprinkler head put into patient's oral cavity, can effectively avoid soaking the dead angle to the even liquid that sprays of different position and angle in the oral cavity simultaneously.

For convenience of processing and forming, the water spray holes are preferably round holes.

Preferably, the diameter of the water spraying hole is 0.4 mm. By adopting the small aperture of 0.4mm, the liquid can be smoothly sprayed, the flow can not be too large, and the spraying amount can be more conveniently and accurately controlled.

Preferably, the extension pipe is a hard pipe, and/or the sprinkler head is made of an elastic material.

Preferably, the extension pipe is made of polypropylene, and/or the spray head is made of silica gel or latex. In the scheme, the spray head made of silica gel or latex is harmless and soft, can prevent the mucosa in the oral cavity from being accidentally injured in the mouth moistening process, and can be safely and effectively applied to patients with disturbance of consciousness or mental symptoms.

In order to solve the problem of detachably connecting the injector nipple, preferably, the connecting part is a connecting hole formed at one end of the extension tube, and the inner diameter of the connecting hole is matched with the outer diameter of the injector nipple;

the connecting hole is a cylindrical hole or a conical hole. In the scheme, the connecting hole is formed, and the inner diameter of the connecting hole is constructed to be matched with the outer diameter of the injector nipple, so that the injector nipple can be inserted into the connecting hole under the action of external force, and the purpose of stably connecting the extension tube and the injector can be achieved and liquid leakage can be effectively prevented by utilizing the extrusion force and the friction force between the inner wall of the connecting hole and the outer wall of the injector nipple; when the syringe needs to be separated, the syringe and the mouth moistening needle can be conveniently separated only by applying reverse pulling force, and the syringe is very convenient.

In order to solve the problem that the extension tube is easy to separate from the injector nipple in the mouth moistening process, in the further conception, an elastic layer is arranged in the connecting hole and is made of elastic materials. The elastic layer is constructed in the connecting hole, so that the elastic layer can be just positioned between the connecting hole and the injector nipple in the process of connecting the injector, and after the connection is finished, the elastic layer is in a compressed state, and higher pressure can be generated between the inner wall of the connecting hole and the outer wall of the injector nipple, so that on one hand, the connection between the extension tube and the injector is more firm, and the problems that the connection is not firm and the extension tube is easy to fall off by itself in the mouth moistening process can be effectively solved; on the other hand, be favorable to realizing better sealed effect between extension pipe and the syringe, can effectively solve the moist mouth in-process, the easy weeping problem between extension pipe and the syringe.

Preferably, the elastic layer is a rubber layer, a silica gel layer or an emulsion layer.

In order to maintain the sprinkler head in a sterile state before use, the sprinkler head further comprises a protective cap having a shape adapted to the sprinkler head for detachably covering the sprinkler head. So as to achieve the purpose of isolation protection, and the sprinkler head can keep the sterile state after disinfection before being used, on one hand, the use of the mouth moistening needle is more safe and sanitary, and the infection of the oral cavity of a patient is prevented, on the other hand, the mouth moistening needle is convenient for a user to hold, and particularly, when the injector is connected with the mouth moistening needle, the direct contact with the naked sprinkler head can be effectively avoided.

Compared with the prior art, use the utility model provides a pair of a moist mouthful syringe needle for connecting syringe, simple structure, compactness, low in manufacturing cost not only can use with the syringe cooperation, convenient to use, and be favorable to reducing use cost, make clinical moist mouthful nursing succinct more high-efficient moreover to make this type of patient obtain safe satisfied moist mouthful effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a conventional syringe.

Fig. 2 is a schematic structural view of a mouth moistening needle provided in embodiment 1 of the present invention.

Fig. 3 is a front view of another moistening needle provided in embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of another moistening needle provided in embodiment 1 of the present invention.

Fig. 5 is a partial sectional view of fig. 2, wherein the coupling hole is a cylindrical hole.

Fig. 6 is a partial sectional view of fig. 2, wherein the connection hole is a tapered hole.

Fig. 7 is a schematic view of the mouthpiece of fig. 6 after it is connected to a syringe.

Fig. 8 is a partial cross-sectional view of a mouth moistening needle provided in embodiment 2 of the present invention.

Fig. 9 is a schematic view of the mouthpiece of fig. 8 after it has been connected to a syringe.

Description of the drawings

Cylinder 101, nipple 102, piston 103, piston shaft 104, piston shank 105

Extension pipe 200, internal flow passage 201, connecting hole 202 and elastic layer 203

Sprinkler head 300, and water jet hole 301.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 2 to 7, the present embodiment provides a mouth-moistening needle for connecting a syringe, including an extension tube 200 and a spray head 300, wherein,

as shown in fig. 2-7, an internal cavity is formed in the sprinkler head 300, a plurality of water spraying holes 301 are formed on the surface of the sprinkler head 300, and the water spraying holes 301 are respectively communicated with the internal cavity, so that the liquid in the internal cavity can be sprayed into the oral cavity of the patient through the water spraying holes 301 under the action of internal pressure;

as shown in fig. 2 to 7, one end of the extension tube 200 is configured with a connection part for detachably connecting the syringe nipple 102, and the other end is connected with the sprinkler head 300, and the extension tube 200 communicates with the inner cavity so that the liquid can be introduced into the inner cavity through the extension tube 200 by the internal pressure.

The mouth moistening needle provided in this embodiment is mainly used in combination with a standard syringe commonly used in the prior art, and the prior syringe is generally composed of a barrel 101, a nipple 102 configured at one end of the barrel 101, a piston 103 disposed in the barrel 101, a piston shaft 104 connected to the piston 103, and a piston handle 105 disposed at an end of the piston shaft 104, as shown in fig. 1, the piston 103 can move relative to the barrel 101 under the action of external force, so as to achieve the purpose of suction and injection.

As shown in fig. 2 to 7, in the present embodiment, since the connection part is configured at one end of the extension tube 200, the mouth moistening needle can be conveniently connected to the nipple 102 of the syringe, on one hand, the connection with the syringe can be realized, so that the mouth moistening needle can be adapted to a conventional syringe, so as to provide mouth moistening liquid and spraying power by using the syringe, and the syringe is a general-purpose device, which is low in cost, so that the use cost can be significantly reduced; on the other hand, the detachable connection can be realized, so that the syringe and the mouth moistening needle can be conveniently separated;

as shown in fig. 2 to 7, in this embodiment, since the extension tube 200 is configured, after the mouth moistening needle is connected to the injector, the cylinder 101 of the injector and the spray head 300 are spaced apart from each other by a suitable distance (approximately equal to the length of the extension tube 200), so that the spray head 300 can be conveniently placed in the deep mouth of the patient during the mouth moistening operation, and can moisten the mucous membrane of the mouth and tongue near the throat without affecting the moistening effect due to the limitation of the size of the injector; by configuring the sprinkler head 300;

in addition, in the mouth moistening needle, the water spraying holes 301 are formed in the spraying head 300, so that mouth moistening liquid in the injector can be uniformly sprayed into the oral cavity of a patient through the water spraying holes 301 under the action of injection pressure of the injector, the aim of moistening the oral cavity can be fulfilled, the spraying area can be increased, and the spraying is more uniform; compare in current moist mouthful device, this moist mouthful syringe needle uses with the syringe cooperation, and simple structure, compactness not only low in manufacturing cost are favorable to reduceing patient's economic burden, and convenient to use, use cost are low moreover, are favorable to making clinical moist mouthful nursing succinct more high-efficient to make this type of patient obtain safe satisfied moist mouthful effect.

The sprinkler 300 has various embodiments, for example, the sprinkler 300 may adopt a regular structure, such as a cylindrical structure (as shown in fig. 2), a spherical structure, an ellipsoidal structure (as shown in fig. 3), or a rectangular parallelepiped structure, which is not only beneficial for low-cost formation, but also convenient for entering/exiting the oral cavity of a patient; according to the physiological structure of the oral cavity, the areas of the upper part and the lower part of the oral cavity are relatively large, so that the demand for mouth moistening liquid is relatively large, and the areas of the two sides of the oral cavity are relatively small, so that the demand for mouth moistening liquid is relatively small; therefore, in order to better adapt to the physiological structure of the oral cavity, preferably, in the present embodiment, the sprinkler head 300 may preferably adopt a flat structure, for example, as shown in fig. 4, the areas of the upper surface and the lower surface of the flat structure sprinkler head 300 are relatively large, more water spray holes 301 may be configured so as to respectively correspond to the upper part and the lower part of the oral cavity of the patient when the sprinkler head 300 is wetted, and the areas of both sides of the flat structure sprinkler head 300 are small, and the number of the water spray holes 301 is relatively small so as to respectively correspond to both sides of the oral cavity of the patient when the sprinkler head 300 is wetted, so as to better conform to the physiological structure of the oral cavity and to achieve better wetting effect.

Optionally, the water spraying holes 301 may be uniformly formed on the surface of the sprinkler head 300, and the water spraying holes 301 are uniformly formed at one end of the sprinkler head 300 far away from the extension pipe 200, as shown in fig. 2 to 7, so that the mouth moistening needle can conveniently moisten the mucous membrane of the mouth and tongue close to the throat, and in practical use, after the sprinkler head 300 is placed in the oral cavity of a patient, the sprinkler head can spray liquid uniformly at different directions and angles in the oral cavity, thereby effectively avoiding infiltration of dead angles.

For convenience of processing and forming, optionally, the water spray holes 301 may be preferably circular holes; the inner diameter of the circular hole should be small, for example, the aperture of the water spraying hole 301 may be 0.4mm, and a small aperture of 0.4mm is adopted, so that not only can the liquid be sprayed smoothly, but also the flow rate is not too large, and the spraying amount can be controlled more conveniently and accurately.

Preferably, the sprinkler head 300 may be preferably made of an elastic material, and the sprinkler head 300 may be made of silicon gel or latex, for example, and the sprinkler head 300 made of silicon gel or latex is harmless and soft in texture, and can be safely and effectively applied to a patient suffering from disturbance of consciousness or mental symptoms while preventing the mucous membrane in the oral cavity from being accidentally injured during the mouth moistening process.

Preferably, the extension pipe 200 may be preferably a hard pipe, and for example, the extension pipe 200 may be preferably made of plastic, for example, polypropylene, which is lightweight and low cost.

The connection part has various embodiments, and as a simplest and lowest-cost embodiment, the connection part may be a connection hole 202 formed at one end of the extension tube 200 (as shown in fig. 5-7, the connection hole 202 communicates with the internal flow passage 201 of the extension tube 200), and the inner diameter of the connection hole 202 is adapted to the outer diameter of the syringe nipple 102, so that the syringe nipple 102 can be inserted into the connection hole 202 for connection; generally, the syringe nipple 102 has a cylindrical structure or a truncated cone-shaped structure, and in order to better adapt to the syringe nipple 102, the connection hole 202 may be a cylindrical hole or a tapered hole, as shown in fig. 5 or fig. 6, by forming the connection hole 202 and configuring the inner diameter of the connection hole 202 to be adapted to the outer diameter of the syringe nipple 102, the syringe nipple 102 may be inserted into the connection hole 202 under the action of an external force, and by using the pressing force and the friction force between the inner wall of the connection hole 202 and the outer wall of the syringe nipple 102, the purpose of stably connecting the extension tube 200 and the syringe may be achieved, and liquid leakage may be effectively prevented; when the syringe needs to be separated, the syringe and the mouth moistening needle can be conveniently separated only by applying reverse pulling force, and the syringe is very convenient.

In order to make the liquid in the injector be sprayed into the oral cavity of the patient through the nipple 102, the inner channel 201 of the extension tube 200, the inner cavity of the sprinkler head 300 and the water spraying holes 301 instead of flowing into the oral cavity of the patient during the use, the inner diameter of the inner channel 201 of the extension tube 200, the size of the inner cavity of the sprinkler head 300 and the size of the water spraying holes 301 are designed accordingly so that the pressure of the liquid is not reduced at least in the flowing direction of the liquid, so that the liquid can be sprayed out from the water spraying holes 301 at the same time, as a preferred embodiment, as shown in fig. 5-7, the inner diameter of the inner channel 201 in the extension tube 200 can be smaller than or equal to the inner diameter of the nipple 102, and the sum of the areas of the water spraying holes 301 is smaller than or equal to the cross-sectional area of the inner channel 201 in the extension tube 200, the volumes of the inner cavities can be small enough to communicate, the extension tube 200 and each water jet hole 301 can be used, when in use, a user increases the pressure of the liquid in the injector through the injector, and the liquid can be smoothly and quickly sprayed out from the water jet holes 301 under the action of the pressure, so that the aim of moistening the oral cavity is fulfilled.

Example 2

In order to solve the problem that the extension tube 200 is easily separated from the syringe nipple 102 by itself under the action of the internal pressure during the mouth-moistening process, the main difference between this embodiment 2 and the above embodiment 1 is that, in the mouth-moistening needle provided in this embodiment, an elastic layer 203 is disposed in the connection hole 202, as shown in fig. 8 and 9, the elastic layer 203 is made of an elastic material, by constructing the resilient layer 203 within the connection bore 202, during connection of the syringe, the resilient layer 203 may be located just between the attachment aperture 202 and the syringe nipple 102, and when the attachment is complete, the resilient layer 203 is in a compressed state, greater pressure may be generated between the inner wall of the connection aperture 202 and the outer wall of the syringe nipple 102, in the practical use process, on one hand, the connection between the extension tube 200 and the injector is more reliable, the problems that the connection is not firm and the extension pipe 200 is easy to fall off automatically in the mouth moistening process can be effectively solved; on the other hand, be favorable to realizing better sealed effect between extension pipe 200 and the syringe, can effectively solve the moist mouth in-process, the easy weeping problem between extension pipe 200 and the syringe.

Preferably, the elastic layer 203 may be a rubber layer, a silica gel layer or a latex layer, and the rubber layer, the silica gel layer or the latex layer has elasticity and can deform under the action of external force, so that the connection effect can be enhanced and the leakage can be prevented in the process of connecting the syringe and the extension tube 200.

Example 3

In order to keep the spraying head 300 in a sterile state before use, the main difference between this embodiment 3 and the above embodiment 1 is that the mouth-moistening needle provided in this embodiment further comprises a protective cap, the shape of which is adapted to the shape of the spraying head 300, for detachably covering the spraying head 300, so as to achieve the purpose of isolation protection, and the spraying head 300 can keep a sterile state before use, and in the actual use process, the protective cap is provided, on one hand, to facilitate the use of the mouth-moistening needle and to prevent the infection of the oral cavity of a patient, and on the other hand, to facilitate the user to hold the mouth-moistening needle, especially when connecting a syringe and the mouth-moistening needle, to effectively avoid directly contacting the spraying head 300 which is exposed.

The protective cap may be a plastic cap, or an elastic and deformable protective cap made of an elastic material, and may be covered on the sprinkler head 300 for isolation protection, for example, the protective cap may be a rubber cap made of rubber or silica gel, or a film cover made of a film.

As a preferred embodiment, before leaving the factory, after the mouth moistening needle and the protective cap are sterilized, the protective cap covers the sprinkler head 300 and is sealed and packaged by a plastic bag for sale, transfer and transportation; when in use, the user tears the plastic bag open and holds the whole mouth moistening needle through the protective cap so as to connect the injector nipple 102, in the whole connecting process, the spray head 300 is not polluted due to the existence of the protective cap, after the connection is finished, the user can hold the injector and then take down the protective cap, so that the spray head 300 without pollution can be put into the mouth of a patient for mouth moistening operation, and the operation is very safe and sanitary.

After the mouth is moistened, the protective cap is sleeved back on the sprinkler head 300 to continuously protect the sprinkler head 300 for the next use.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims (10)

1. A mouthing needle for connecting a syringe, comprising an extension tube and a spray head, wherein,

an internal cavity is formed in the sprinkler head, the sprinkler head is provided with a plurality of water spray holes, and the water spray holes are respectively communicated with the internal cavity;

one end of the extension pipe is provided with a connecting part for detachably connecting a syringe, the other end of the extension pipe is connected with the sprinkler head, and the extension pipe is communicated with the inner cavity.

2. The mouthrinse needle as claimed in claim 1, wherein the spray head has a flat structure, a cylindrical structure, a spherical structure, an ellipsoidal structure, or a rectangular parallelepiped structure.

3. The mouthneedle as claimed in claim 1, wherein the water spray holes are uniformly formed on the surface of the spray head.

4. The mouthrinse needle for connecting a syringe as claimed in claim 1, wherein the water jet hole is a circular hole.

5. The mouth-moistening needle for connecting a syringe according to claim 1, wherein the extension tube is a rigid tube;

and/or the sprinkler head is made of an elastic material.

6. The mouth-moistening needle for connecting a syringe according to claim 5, wherein the extension tube is made of polypropylene;

and/or the sprinkler head is made of silica gel or latex.

7. The mouth moistening needle for connecting a syringe according to any one of claims 1 to 6, wherein the connecting portion is a connecting hole formed at one end of the extension tube, and the inner diameter of the connecting hole is adapted to the outer diameter of the syringe nipple;

the connecting hole is a cylindrical hole or a conical hole.

8. The mouth moistening needle for connecting a syringe according to claim 7, wherein an elastic layer is arranged in the connecting hole, and the elastic layer is made of elastic material.

9. The mouth-moistening needle for connecting a syringe of claim 8, wherein the elastic layer is a rubber layer, a silica gel layer or a latex layer.

10. The spout needle for connecting a syringe according to any one of claims 1 to 6, further comprising a protective cap having a shape corresponding to the spray head for detachably covering the spray head.

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