CN210992561U

CN210992561U - Mixed spray head

Info

Publication number: CN210992561U
Application number: CN201920835579.1U
Authority: CN
Inventors: 张超; 李英川; 陈昂
Original assignee: Beijing Meijia Yisheng Medical Equipment Co ltd
Current assignee: Beijing Meijia Yisheng Medical Equipment Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-07-14
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to a mixed spray head, which comprises a spray head main body, a spray head cover and a spray head cover, wherein the spray head main body is used for connecting a pair of injectors; a pair of cavities which are positioned in the spray head main body and can respectively accommodate liquid matters injected by the pair of injectors; the mixed spray head is constructed to spray the liquid substances injected into the pair of cavities and then atomize and mix the liquid substances. The utility model discloses a hybrid shower nozzle is through being provided with a pair of mutually independent chamber in the shower nozzle main part for the liquid thing that pours into in the hybrid shower nozzle flows in respective chamber and just mixes until taking place the atomizing reaction in the blowout back from the hybrid shower nozzle, has guaranteed different liquid thing, and especially the homogeneity of mixing of PRP and thrombase does benefit to patient's effective treatment. Thereby avoided current shower nozzle to mix in the intracavity and blockked up the shower nozzle, influenced the problem of spraying the effect.

Description

Mixed spray head

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to hybrid shower nozzle.

Background

Platelet-rich plasma (PRP), which is a Platelet concentrate obtained by centrifuging whole human blood, contains a large amount of growth factors and proteins, is widely used in oral and orthopedic therapies, and is often used together with thrombin.

The existing injection of PRP and thrombin mostly adopts a Y-shaped nozzle, when the injector is pushed, the PRP and the thrombin are respectively injected through two sub-channels of the Y-shaped nozzle, and when the PRP and the thrombin enter a main channel, the PRP and the thrombin are mixed. The mixing mode of the Y-shaped spray head in the prior art can cause the problem of incomplete mixing of PRP and thrombin, thereby not achieving the optimal treatment effect; and when the PRP and the thrombin are mixed in the cavity channel of the Y-shaped spray head, the main channel of the spray head is easily blocked, thereby influencing the treatment effect on patients.

SUMMERY OF THE UTILITY MODEL

In order to solve the whole or partial problems, the utility model aims to provide a hybrid shower nozzle is provided with a pair of mutually independent chamber way, can follow the blowout of hybrid shower nozzle and take place the atomizing reaction with the liquid thing of two kinds of differences of pouring into, and then has guaranteed the mixed effect of two kinds of different liquid things. Thereby avoided current shower nozzle to mix in the intracavity and blockked up the shower nozzle, influenced the problem of spraying the effect.

The utility model provides a mixed spray head, which comprises a spray head main body, a spray head cover and a spray head cover, wherein the spray head main body is used for connecting a pair of injectors; the pair of cavities are positioned in the spray head main body and can respectively accommodate liquid matters injected by the pair of injectors; the mixed spray head is constructed to spray the liquid substances injected into the pair of cavities and then atomize and mix the liquid substances.

Further, the cavity comprises an injection section for connecting an injector, a flow guide section connected with the injection section and a spraying section connected with the flow guide section;

the pair of flow guide sections are respectively approximately vertical to the injection section and the ejection section and face to the direction opposite to the flow guide sections; the injection section and the ejection section are respectively positioned on two opposite sides of the flow guide section.

Furthermore, the spraying section comprises a flow guiding area connected with the flow guiding section and a diameter reducing area connected with the flow guiding area, the large end of the diameter reducing area is connected with the flow guiding area, and the small end of the diameter reducing area is a nozzle of the spraying section.

Furthermore, the inner cavity of the drainage area is a cylinder, and the inner cavity of the reducing area is a cone; the diameters of the large head end of the conical body and the cylindrical body are equal and are 0.3-0.7mm, the diameter of the small head end is 0.1-0.2mm, and the hole distance between the pair of small head ends is 1-2 mm.

Further, the head body includes a first body having a pair of the injection sections and a second body connected to the first body having a pair of the ejection sections, and a pair of the guide sections is formed between the first body and the second body.

Further, the first main body also comprises a connecting section which is communicated with the injection section and is close to the second main body, and the inner diameter of the connecting section is larger than that of one end of the injection section connected with the connecting section;

the second main body comprises bosses which are matched with the inner cavities of the connecting sections and are close to the first main body, and the bosses are respectively provided with a U-shaped groove with an opening facing the bosses.

Further, the second main body further comprises an extension groove connected with the opening end of the U-shaped groove and a pair of communication grooves connecting the extension groove and the ejection section; the U-shaped groove, the extending groove and the pair of communicating grooves of the second body are connected with the first body to form a flow guide section of the cavity channel.

Further, the communicating groove comprises a first groove body vertically connected with the extending groove, a second groove body vertically connected with the first groove body and a third groove body vertically connected with the second groove body and used for connecting the spraying section, wherein the groove depths of the first groove body and the second groove body are 0.5-1.5mm as the groove depths of the extending groove, the groove depth of the third groove body is smaller than that of the second groove body, and the groove depth is 0.15-0.3 mm.

Further, the first body and the second body are plastic injection molded parts.

Further, the syringe further comprises a male luer threaded connector connected with the first body, and the male luer threaded connector can be matched and connected with a female luer threaded connector of the syringe.

The utility model discloses a hybrid shower nozzle is through being provided with a pair of mutually independent chamber in the shower nozzle main part for liquid thing especially PRP and thrombase in pouring into the hybrid shower nozzle into, flow in respective chamber say and just carry out effective mixing until taking place the atomizing reaction after the blowout from the hybrid shower nozzle in, thereby it blocks up the shower nozzle to have avoidd current shower nozzle at the intracavity mixture, influences the problem of spraying the effect. The utility model discloses the structural design of hybrid shower nozzle can make spun liquid thing by the diffusion for small liquid drop, and then has guaranteed the homogeneity of mixing of different liquid thing especially PRP and thrombase, can evenly spray the wound surface, does benefit to patient's effective treatment.

The utility model discloses a hybrid shower nozzle has simple structure, convenient operation, practicality are strong and characteristics such as easy popularization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic perspective view of a hybrid sprinkler according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the hybrid spray head of FIG. 1;

FIG. 3 is an enlarged view of a portion of the hybrid spray head of FIG. 2;

fig. 4 is a perspective view of the second body shown in fig. 1.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 3, the hybrid showerhead 001 of the present embodiment includes a showerhead body 1 and a pair of channels 2, wherein the showerhead body 1 is used for connecting a pair of injectors; the pair of cavities 2 are positioned in the spray head main body 1 and can respectively contain liquid matters injected by a pair of injectors; the mixed spray head is configured to spray and mix the liquid substances injected into the pair of channels 2.

The utility model discloses a hybrid shower nozzle through be provided with a pair of mutually independent chamber in shower nozzle main part 1 and say, is connected with the syringe that draws different liquid thing respectively, and the liquid thing of this embodiment can be for materials such as plasma, serum, liquid medicine or various activating enzyme. By respectively injecting two different liquid substances into the two cavities of the mixed spray head, as the pair of cavities 2 are mutually independent, the different liquid substances respectively flow in the respective cavities until the liquid substances are sprayed out from the mixed spray head at a high speed and then carry out atomization reaction, so that the two atomized liquid substances can be effectively mixed to ensure the mixing uniformity of the two atomized liquid substances. The problem that in the prior art, different liquid substances are mixed to block a spray head or are not sufficiently mixed before being sprayed is solved.

The present embodiment takes the PRP and thrombin mixed spray commonly used in oral and orthopedic treatment as an example to illustrate the corresponding usage effect of the mixed spray head in detail. In a specific embodiment, the head body 1 is connected to both the syringe from which PRP is extracted and the syringe from which thrombin is extracted, so that PRP/thrombin injected into the hybrid head flows in the respective channels until mixing is performed after being ejected from the hybrid head. The problem that the spraying effect is influenced because the spraying head is blocked due to the mixing of the PRP and the thrombin in the cavity of the existing spraying head is solved. The utility model discloses a high-speed blowout of PRP thrombin in can will pouring into a pair of cavity and then take place the atomizing reaction to the hybrid homogeneity of PRP and thrombin after having promoted the atomizing makes the effective treatment of hindering be protected.

Referring to fig. 2, the lumen in this embodiment includes an injection section 201 for connecting an injector, a guide section 202 connected to the injection section 201, and a spouting section 203 connected to the guide section 202; the guide sections 202 are respectively approximately vertical to the injection section 201 and the ejection section 203 and face to the direction of the opposite guide sections 202; wherein, the injection section 201 and the ejection section 203 are respectively positioned at two opposite sides of the flow guide section 202.

The ejection section 203 in this embodiment includes a flow guiding region 231 connected to the flow guiding section 202 and a diameter-reducing region 232 connected to the flow guiding region 231, a large head end of the diameter-reducing region 232 is connected to the flow guiding region 231, and a small head end of the diameter-reducing region 232 is a nozzle of the ejection section 203.

Through set up the drainage district 231 that the inner chamber is the cylinder that links to each other with the water conservancy diversion section 202 in blowout section 203, increase the water conservancy diversion effect to liquid thing, through setting up reducing district 232 to the structure that the inner chamber diameter is for the taper body that reduces gradually along the injection direction for the velocity of flow of the liquid thing in reducing district 232 that pours into the chamber and say improves gradually. After the liquid material is sprayed out from the small end of the conical body, the liquid material is separated from the constraint of the cavity wall of the spraying section 203 to perform diffusion flow in the atmosphere, so that the liquid material is converted into a diffused tiny water drop shape from the liquid.

In one embodiment, the lumen of the drainage region 231 is cylindrical and the lumen of the reduced diameter region 232 is conical; wherein, the diameter of the big head end of the cone is equal to that of the cylinder. When the liquid is PRP and thrombin, the diameter R of the large head end is 0.3-0.7mm, and the diameter R of the small head end is 0.1-0.2mm, so that the effective atomization of the PRP and the thrombin is facilitated. The hole spacing m of the two small head ends is set to be 1-2mm, so that the areas covered by the micro-drop-shaped PRP and the thrombin sprayed from the cavity channel are overlapped as much as possible, the PRP and the thrombin are uniformly mixed and attached to the surface of a wound of a patient, effective treatment of the wound of the patient is facilitated, and the condition that the spray nozzle is easily blocked due to nonuniform mixing in the cavity is avoided.

In a preferred embodiment, when the diameter R of the large end of the cone is 0.5mm, the diameter R of the small end is 0.16mm, and the distance m between the holes of the two small ends is 1.5mm, the PRP and the thrombin sprayed from the mixing type spray head can be atomized and mixed optimally.

In this embodiment, the diameters of the large head end and the small head end of the cone and the hole distance between the two small head ends can be properly adjusted according to the actual injected liquid substance to meet the atomization and mixing requirements of different liquid substances.

Referring to fig. 1 and 2, the head body 1 of the present embodiment includes a first body 101 having a pair of injection sections 201 and a second body 102 connected to the first body 101 having a pair of ejection sections 203, and a pair of guide sections 202 are formed between the first body 101 and the second body 102.

Referring to fig. 2 and 4, the first body 101 further includes a connection section 111 communicating with the injection section 201 and adjacent to the second body 102, the connection section 111 having an inner diameter larger than that of an end of the injection section 201 connected thereto; the second body 102 includes a boss 121 that fits within the lumen of the connecting section 111 and is adjacent to the first body 101.

The connecting section 111 and the boss 121 matched with the inner cavity of the connecting section 111 are respectively arranged on the connecting end surfaces of the first main body 101 and the second main body 102, so that the connecting and positioning effects between the first main body 101 and the second main body 102 are achieved, and the connection between the first main body 101 and the second main body 102 is tighter. The U-shaped grooves 122 with the openings facing the opposite bosses 121 are respectively arranged on the pair of bosses 121, so that when liquid substances are respectively injected into the pair of cavities 2 of the hybrid spray head of the embodiment through the injector, the bosses 121 with the U-shaped grooves 122 can play a role in buffering and guiding, and on one hand, the resistance generated when the liquid substances are vertically sprayed to a straight wall during injection can be reduced; on the other hand, the inflowing liquid can flow along the opening direction of the U-shaped groove 122.

In the present embodiment, referring to fig. 2 and 4, the second body 102 further includes an extension groove 123 connected to the open end of the U-shaped groove 122 and a pair of communication grooves 124 connecting the extension groove 123 and the ejection section 203. The U-shaped groove 122, the extension groove 123 and the pair of communication grooves 124 of the second body 102 form a flow guide section 202 of the cavity 2 by being connected with the first body 101. The structural design of the guide section 202 in this embodiment enables the liquid injected into the cavity 2 to flow into the guide section 202 from the injection section 201, and the flow velocity of the liquid at the guide section 202 is obviously increased due to the obvious reduction of the fluid cross section, so as to be beneficial to improving the atomization rate of the liquid after being sprayed from the spraying section 203, that is, the drop shape of the liquid after being diffused is more tiny, thereby enabling the mixing of two different liquids to be more uniform.

In a preferred embodiment, the pair of communicating grooves 124 communicate with each other at the position where the ejection section 203 is located, and the space surrounded by the pair of communicating grooves 124 forms a circle, a rectangle, or a triangle. The connection of the pair of communicating channels 124 to opposite sides of the ejection section 203 facilitates an increase in the flow rate of the liquid injected into the ejection section.

In a specific embodiment, it is preferable that a space surrounded by the pair of communication grooves 124 has a rectangular structure, and referring to fig. 4, the communication groove 124 includes a first groove body 141 perpendicularly connected to the extension groove 123, a second groove body 142 perpendicularly connected to the first groove body 141, and a third groove body 143 perpendicularly connected to the second groove body 142 and connecting the ejection section 203.

In this embodiment, the groove width of the first groove body 141 is preferably greater than the groove width of the second groove body 142 and greater than the groove width of the third groove body 143, the groove depths a of the first groove body 141 and the second groove body 142 are preferably 0.5 to 1.5mm as the same as the groove depth of the extension groove 123, and the groove depth b of the third groove body 143 is preferably less than the groove depth a of the second groove body 142 and is 0.15 to 0.3 mm. Preferably, the groove depth a is 1mm and the groove depth b is 0.2 mm.

The communicating groove 124 of this embodiment is designed to gradually reduce the cross-sectional area of the PRP/thrombin flowing through the communicating groove 124, so that the flow rate of the PRP/thrombin gradually increases when the PRP/thrombin flows through the flow guiding section 202 corresponding to the communicating groove 124. When PRP/thrombin is injected into the lumen, the flow rate is V₁In the meantime, since the cross-sectional area of the flow guide section 202 where the pair of communicating grooves 124 are located is smaller than the cross-sectional area of the flow guide section 202 where the extending groove 123 is located, the flow velocity V at which PRP/thrombin flows into the communicating groove 124 is set₂Greater than V₁. The faster the PRP/thrombin is ejected from the mixed jetThe higher the degree of refinement of the diffusion, i.e. the higher the atomization rate. The structural design of the communicating groove 124 in the present embodiment effectively ensures the fineness of the diffusion of the PRP/thrombin after being ejected from the mixed nozzle, and the PRP and thrombin mixed in this state can reach the optimal mixing ratio.

The first main body 101 and the second main body 102 in this embodiment are plastic injection-molded parts, and the hybrid nozzle in this embodiment may be formed by connecting the first main body 101 and the second main body 102 which are separately prepared, or may be an integrally molded structure, and the specific preparation process is not limited, and may be appropriately adjusted according to the processing conditions. The hybrid sprayer in the embodiment is preferably formed by injection molding of ABS plastic PA-757K, and has the characteristics of easiness in processing and forming, high integration degree, easiness in mass production, low cost, good sealing property and the like.

In this embodiment, the first body 101 and the second body 102 can be connected by gluing or heat sealing, preferably by heat sealing, and has the characteristics of simple operation, low preparation cost and ensuring the connection tightness between the first body 101 and the second body 102, so that the liquid, especially PRP/thrombin, flowing into the flow guide section 202 between the first body 101 and the second body 102 is not easy to overflow.

The hybrid spray head of this embodiment further comprises a male luer connector 3 connected to the injection section 201 of the first body 101, which is capable of being adapted to a female luer connector of a syringe. The mixed spray head is connected with the injector extracted with PRP and the injector extracted with thrombin through luer threaded joints, so that the PRP and the thrombin can not be splashed and overflowed during injection.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "horizontal" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "oriented," and the like are to be construed broadly and can include, for example, directional connections, releasable connections, or integral combinations thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A hybrid spray head, comprising:

a nozzle body for connecting a pair of syringes;

the pair of cavities are positioned in the spray head main body and can respectively accommodate liquid matters injected by the pair of injectors;

the mixed spray head is constructed to spray the liquid substances injected into the pair of cavities and then atomize and mix the liquid substances.

2. The hybrid spray head of claim 1, wherein the channel comprises an injection section for connecting to an injector, a flow guide section connected to the injection section, and a discharge section connected to the flow guide section;

3. The hybrid sprayer of claim 2, wherein the spray section comprises a flow directing region connected to the flow directing region and a reduced diameter region connected to the flow directing region, wherein a larger end of the reduced diameter region is connected to the flow directing region and a smaller end of the reduced diameter region is a nozzle of the spray section.

4. A hybrid spray head as recited in claim 3, wherein the inner chamber of the recirculation zone is cylindrical and the inner chamber of the reduced diameter zone is conical; the diameters of the large head end of the conical body and the cylindrical body are equal and are 0.3-0.7mm, the diameter of the small head end is 0.1-0.2mm, and the hole distance between the pair of small head ends is 1-2 mm.

5. The hybrid spray head of claim 2, wherein the spray head body comprises a first body having a pair of the injection sections and a second body connected to the first body having a pair of the ejection sections, the pair of flow guide sections being formed between the first and second bodies.

6. The hybrid spray head of claim 5, wherein the first body further comprises a connecting section in communication with the injection section and adjacent to the second body, the connecting section having an inner diameter greater than an inner diameter of an end of the injection section to which it is connected;

7. The hybrid spray head of claim 6, wherein the second body further comprises an extension groove connected to an open end of the U-shaped groove and a pair of communication grooves connecting the extension groove and the spray section; the U-shaped groove, the extending groove and the pair of communicating grooves of the second body are connected with the first body to form a flow guide section of the cavity channel.

8. The hybrid nozzle as claimed in claim 7, wherein the communicating channel comprises a first channel vertically connected to the extension channel, a second channel vertically connected to the first channel, and a third channel vertically connected to the second channel and used for connecting the ejection section, wherein the first and second channels have a channel depth equal to that of the extension channel of 0.5-1.5mm, and the third channel has a channel depth smaller than that of the second channel and 0.15-0.3 mm.

9. The hybrid sprayer of claim 5, wherein the first and second bodies are plastic injection molded parts.

10. The hybrid sprayer of claim 5, further comprising a male luer fitting coupled to the first body and adapted to mate with a female luer fitting of the syringe.