CN211068507U

CN211068507U - Medical local atomizing medicine feeder

Info

Publication number: CN211068507U
Application number: CN201921495055.9U
Authority: CN
Inventors: 方峥评; 张庆
Original assignee: Anhui Exploration Medical Device Technology Co ltd
Current assignee: Anhui Exploration Medical Device Technology Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-07-24
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a medical local atomization drug delivery device, which comprises a catheter and an atomizing head, wherein the catheter is provided with a first cavity for liquid to pass through, and one end of the catheter is used for being connected with an injector; the spray head is provided with a second cavity for liquid to pass through, one end of the conduit, which is far away from the injector, is in sealed splicing with the spray head, and the second cavity is communicated with the first cavity, and one end of the second cavity, which is far away from the first cavity, forms a spray opening of the spray head; a shunting plug used for shunting the liquid entering the second cavity from the first cavity is arranged in the second cavity; a plurality of convex ribs are arranged between the shunting plug and the spray opening, and the plurality of convex ribs are arranged around the spray opening in a vortex shape. The medical local atomization drug delivery device of the utility model can make the liquid spray more uniform, thereby making the liquid uniformly play a role in the required position.

Description

Medical local atomizing medicine feeder

Technical Field

The utility model relates to the technical field of medical devices, in particular to medical local atomizing device of dosing.

Background

In the medical field, local administration is often required to perform local treatment, anesthesia and disinfection, and in the prior art, a liquid medicine is usually injected by a syringe to perform local administration, but the liquid medicine is not uniformly injected by the existing syringe, so that the liquid medicine cannot uniformly act on a required part.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a medical local atomization drug delivery device, which aims to ensure that the liquid is sprayed more evenly, thereby ensuring that the liquid can play a role evenly at the required position.

In order to achieve the above object, the utility model provides a medical local atomizing device of dosing, include: the catheter is provided with a first cavity for liquid to pass through, and one end of the catheter is used for being connected with a syringe; the spray head is provided with a second cavity for liquid to pass through, one end of the conduit, which is far away from the injector, is in sealed splicing with the spray head, the second cavity is communicated with the first cavity, and one end of the second cavity, which is far away from the first cavity, forms a spray opening of the spray head; a shunting plug used for shunting the liquid entering the second cavity from the first cavity is arranged in the second cavity; the reposition of redundant personnel stopper with be equipped with a plurality of protruding muscle between the nozzle, it is a plurality of protruding muscle is vortex form and encircles the nozzle setting.

Optionally, the second cavity is including being used for holding the reposition of redundant personnel stopper and supply the grafting section that the pipe was pegged graft and the circulation section that supplies liquid to pass through, the grafting section with the juncture of circulation section forms an annular platform, protruding muscle is located on the annular platform, the one end of reposition of redundant personnel stopper with protruding muscle butt, the other end of reposition of redundant personnel stopper with be equipped with the clearance between the pipe.

Optionally, an end surface of the shunt plug, which is close to one end of the guide tube, is provided with a protrusion for abutting against the guide tube, and a gap is formed between the guide tube and the shunt plug by the protrusion.

Optionally, the flow-through section is tapered from an end near the first channel to an end away from the first channel.

Optionally, the diverter plug is hexagonal.

Optionally, the catheter also has a third lumen, and a shaping wire for bending and shaping the catheter is arranged in the third lumen.

Optionally, a gap is arranged between the sizing wire and the cavity wall of the third cavity, one end of the third cavity is communicated with the second cavity, and the other end of the third cavity is communicated with the injector.

Optionally, the inside through-hole that is equipped with of design silk, the one end of through-hole with the second cavity intercommunication, the other end of through-hole with the syringe intercommunication.

Optionally, the catheter is sleeved with a positioning cover so as to position the spray head when the nasal cavity part is administrated.

Optionally, the locating cap is tapered from an end remote from the spray head to an end proximate to the spray head.

The utility model discloses a pipe that will have first chamber way seals with the atomising head that has second chamber way and pegs graft, and set up reposition of redundant personnel stopper and protruding muscle in second chamber way, utilize reposition of redundant personnel stopper and protruding muscle to get into the liquid of second chamber way from first chamber way and shunt, a plurality of protruding muscle are along the circumference interval distribution of second chamber way and form a plurality of drainage ways of following the circumference interval distribution of second chamber way, make liquid guide to each drainage in the way, the flow direction of liquid is different with the extending direction of drainage way after the reposition of redundant personnel stopper reposition of redundant personnel, make liquid follow the reposition of redundant personnel stopper and advance to the skew original route of protruding muscle and get into the drainage way and form vortex, liquid after injection pressure increases sprays out with vaporific ground from the nozzle after vortex flow department atomizing, thereby make liquid play the effect at required position uniformly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a medical local atomization drug delivery device according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a local atomizing administration device for medical use according to an embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2;

fig. 4 is a schematic view of a split structure of a local medical atomization drug delivery device according to an embodiment of the present invention;

FIG. 5 is a top view of the spray head of an embodiment of the present invention taken along the conduit in the direction of the spray head;

fig. 6 is a schematic view of the overall structure of a local atomizing administration device for medical use according to another embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Catheter tube	211	Plug-in section
110	First cavity channel	212	Flow-through section
				120	Third channel	213	Annular platform
121	Shaping silk	220	Shunt plug
				130	Positioning cover	221	Bump
200	Spray head	230	Convex rib
				210	The second cavity	300	Mounting head

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a medical local atomizing device of dosing is applicable to the local and doses to treat, anaesthetize, disinfect to the part.

Referring to fig. 1, in one embodiment of the present invention, a local atomizing administration device for medical use includes a catheter 100 and an atomizing head 200.

Referring to fig. 2 to 4, the conduit 100 has a first channel 110 for liquid to pass through, one end of the conduit 100 is used for connecting with a syringe, the spray head 200 has a second channel 210 for liquid to pass through, one end of the conduit 100 far away from the syringe is in sealed insertion with the spray head 200, the first channel 110 is communicated with the second channel 210 after the conduit 100 is in sealed insertion with the spray head 200, and one end of the second channel 210 far away from the first channel 110 forms a spray opening of the spray head 200; the end of the conduit 100 remote from the spray head 200 is connected to a syringe, and when the syringe is used for injection, the liquid in the syringe enters the first cavity 110 and the second cavity 210 in sequence and then is sprayed out of the spray outlet.

A shunting plug 220 is arranged in the second cavity 210, and liquid needs to bypass the shunting plug 220 in the process of entering the second cavity 210 from the first cavity 110, so that shunting is realized; be equipped with a plurality of protruding muscle 230 between reposition of redundant personnel stopper 220 and the nozzle, a plurality of protruding muscle 230 are the vortex form and encircle the nozzle setting, and a plurality of protruding muscle 230 are promptly along the circumference interval distribution of second chamber way 210 to further reposition of redundant personnel and the drainage to the liquid after reposition of redundant personnel stopper 220 reposition of redundant personnel.

In this embodiment, in the process of connecting the catheter 100 to the injector and injecting the liquid, the liquid in the first channel 110 is a stream of liquid with a lower pressure, when the liquid in the first channel 110 enters the second channel 210 and continues to be injected, the liquid needs to pass through the shunting plug 220, the shunting plug 220 obstructs the liquid and changes the injection path of the liquid, so that the liquid needs to bypass the shunting plug 220 and continue to travel along the surface of the shunting plug 220 or from the gap between the shunting plug 220 and the wall of the second channel 210; then, after passing through the ribs 230, the ribs 230 (see fig. 5) block the liquid again and change the spraying path of the liquid, so that the liquid passes through the gaps between the adjacent ribs 230, and the liquid is split again by the ribs 230 and then travels to the spraying opening along the drainage channel formed by the adjacent ribs 230;

the pressure of the liquid which is injected after being split by the split plug 220 for the first time in the second channel 210 is increased, and then the liquid is split by the convex ribs 230 for the second time in the second channel 210, and the pressure of the injection is further increased, at this time, because the convex ribs 230 are distributed at intervals along the circumferential direction of the second channel 210 and form a plurality of drainage channels distributed at intervals along the circumferential direction of the second channel 210, the liquid is guided into each drainage channel, the flow direction of the liquid after being split by the split plug 220 is different from the extending direction of the drainage channels, the process that the liquid travels from the split plug 220 to the convex ribs 230 deviates from the original path and enters the drainage channels and forms a swirling flow, the liquid after the injection pressure is increased is atomized at the swirling flow position and then is uniformly injected from the spray opening in a mist shape, and the liquid can uniformly play a role at the required position.

In one embodiment, the number of the ribs is three, and in other embodiments, the number of the ribs can be set according to actual needs.

In an embodiment, the second cavity 210 includes an insertion section 211 and a flow section 212, the insertion section 211 is configured to accommodate the shunt plug 220 and allow the conduit 100 to be inserted, that is, an outer wall of the conduit 100 is sealed with a cavity wall of the second cavity 210, the flow section 212 allows liquid to pass through, an annular platform 213 is formed at a junction of the insertion section 211 and the flow section 212, the convex rib 230 is disposed on the annular platform 213, one end of the shunt plug 220 abuts against the convex rib 230, and a gap is disposed between the other end of the shunt plug 220 and the conduit 100; after the liquid enters the second channel 210 from the first channel 110, because the outer wall of the catheter 100 is sealed with the cavity wall of the second channel 210 and the shunt plug 220 is arranged in the second channel 210, the liquid entering the second channel 210 can only bypass the shunt plug 220 and continue to advance along the surface of the shunt plug 220 or the gap between the shunt plug 220 and the cavity wall of the second channel 210, when the liquid advances to one end where the shunt plug 220 abuts against the convex rib 230, the liquid is shunted and drained again by the convex rib 230, and the atomized liquid is formed and evenly sprayed out from the spray nozzle.

In one embodiment, the outer wall of the catheter 100 is sealed to the wall of the second lumen 210 by gluing.

In one embodiment, the end surface of the shunt plug 220 near the end of the guide tube 100 is provided with a protrusion 221, and the protrusion 221 abuts against the guide tube 100, that is, the protrusion 221 abuts against the end surface of the end of the guide tube 100 inserted into the second channel 210, so as to prevent the shunt plug 220 from blocking the outlet of the first channel 110.

In an embodiment, the flow section 212 is disposed in a tapered manner from the end close to the first channel 110 to the end far from the first channel 110, that is, the spray opening of the spray head 200 is a throat structure, so that the pressure of the liquid sprayed from the spray opening is further increased, the spraying speed of the atomized liquid is faster, and the liquid is not easily disturbed by the external environment after being sprayed and deviates from the spray path, that is, the liquid can be sprayed to the required position more accurately.

In an embodiment, the shunting plug 220 is hexagonal, so that the gap formed between the shunting plug 220 and the cavity wall of the second cavity 210 is minimized, and the gap formed between the shunting plug 220 and the cavity wall of the second cavity 210 can pass through the maximum amount of liquid, that is, the amount of liquid injected per unit time is greater, the pressure of liquid injection is maximum, that is, the speed of liquid injection is maximum, the path is most accurate, and further, the liquid can be injected to a required position more accurately. The principle that the hexagonal shunting plug 220 can realize the minimum clearance and the maximum liquid flow rate refers to the principle of honeycomb, and is not described in detail herein. In other embodiments, the diverter plug 220 may be triangular, square, pentagonal, or heptagonal in shape.

In one embodiment, the catheter 100 is further provided with a third channel 120, and the third channel 120 is provided with a shaping wire 121, so that the catheter 100 can be bent at any angle and kept at a desired angle by using the shaping wire 121, thereby facilitating the use. For example, when it is desired to spray liquid into the oral cavity, the catheter 100 can be bent into a shape corresponding to the oral tract to more accurately spray the liquid into the interior of the oral cavity so that the liquid can more accurately function. In one embodiment, the sizing wire 121 is a steel wire. In other embodiments, the shaping wire 121 may be selected from iron wire, copper wire or other thin wires that can be bent.

In an embodiment, a gap is formed between the sizing wire 121 and the cavity wall of the third cavity 120, one end of the third cavity 120 is communicated with the second cavity 210, and the other end of the third cavity is communicated with a syringe, so that the amount of liquid entering the second cavity 210 in unit time is larger, and under the condition that the volumes of the second cavities 210 are the same, the amount of liquid entering the second cavity 210 in unit time is increased, so that the pressure of liquid injection is increased, atomization is facilitated, and the liquid injection is more uniformly dispersed.

In another embodiment, a through hole is formed inside the sizing wire 121, one end of the through hole is communicated with the second channel 210, and the other end of the through hole is communicated with the injector, so that liquid can pass through the third channel 120 through the inside of the sizing wire 121, the amount of liquid entering the second channel 210 in unit time is larger, and under the condition that the volumes of the second channels 210 are the same, the amount of liquid entering the second channel 210 in unit time is increased, so that the pressure of liquid injection is increased, atomization is facilitated, and the liquid injection is more uniformly dispersed.

In an embodiment, the positioning cover 130 is sleeved outside the catheter 100, and when the nasal cavity part is administrated, the spray head 200 can be positioned by using the positioning cover 130, so that the spray head 200 is prevented from poking the nasal cavity wall to cause discomfort, and meanwhile, the spray head 200 is prevented from being polluted by directly contacting the nasal cavity wall.

Referring to fig. 6, in an embodiment, positioning cover 130 is tapered from the end far away from spray head 200 to the end close to spray head 200, that is, positioning cover 130 is frustum-shaped, and such an arrangement makes the depth of inserting spray head 200 into the nasal cavity after positioning cover 130 is positioned limited, thereby avoiding that spray head 200 is inserted too deep into the nasal cavity to cause discomfort, and improving the use experience of the user. In this embodiment, the end of the positioning cap 130 inserted into the nasal cavity is provided with a rounded corner to reduce the possibility of discomfort caused by inserting the positioning cap 130 into the nasal cavity.

In one embodiment, the positioning cap 130 is a frustum-shaped block made of liquid foaming silicone, and the soft block is formed to make the nose more comfortable during use. In another embodiment, the position cap 130 is a block made of polyurethane foam.

In the above embodiment, the length of the catheter 100 can be set according to actual needs, for example, the length of the catheter 100 for oral cavity can be set between 15-26cm, and the length of the catheter 100 for nasal cavity can be set between 1.5-3 cm.

In one embodiment, the end of the catheter 100 connected to the syringe is provided with a mounting head 300, and the mounting head 300 is provided with threads to screw with the syringe. In one embodiment, the mounting head 300 has lugs symmetrically disposed on its outer wall so that the mounting head 300 can be held against slipping when being screwed to a syringe.

It is noted that the medical topical aerosolized delivery device may also be used to administer drugs to animals when desired.

The above is only the optional embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all of which are in the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A medical topical aerosolized delivery device comprising:

the catheter is provided with a first cavity for liquid to pass through, and one end of the catheter is used for being connected with a syringe; and the number of the first and second groups,

the spray head is provided with a second cavity for liquid to pass through, one end of the conduit, which is far away from the injector, is in sealed splicing with the spray head, the second cavity is communicated with the first cavity, and one end of the second cavity, which is far away from the first cavity, forms a spray opening of the spray head;

a shunting plug used for shunting the liquid entering the second cavity from the first cavity is arranged in the second cavity; the reposition of redundant personnel stopper with be equipped with a plurality of protruding muscle between the nozzle, it is a plurality of protruding muscle is vortex form and encircles the nozzle setting.

2. The local atomizing administration device for medical use according to claim 1, wherein the second cavity includes an insertion section for accommodating the shunt plug and for the insertion of the conduit and a flow section for passing liquid, an annular platform is formed at the junction of the insertion section and the flow section, the convex rib is arranged on the annular platform, one end of the shunt plug is abutted against the convex rib, and a gap is arranged between the other end of the shunt plug and the conduit.

3. The local atomizing administration device for medical purpose of claim 2, characterized in that the end surface of said shunting plug near one end of said conduit is provided with a projection for abutting against said conduit, said projection forming a gap between said conduit and said shunting plug.

4. The local atomizing administration device for medical purpose of claim 2, wherein said flow-through section is tapered from an end near said first channel to an end away from said first channel.

5. The local atomizing medical delivery device according to claim 1, wherein said shunting plug is hexagonal in shape.

6. The local atomizing administration device for medical purpose of claim 1, wherein said catheter further has a third lumen, said third lumen having a shaping wire disposed therein for bending and shaping said catheter.

7. The local atomizing administration device for medical purpose of claim 6, wherein a gap is provided between said shaping wire and the wall of said third cavity, one end of said third cavity is connected to said second cavity, and the other end of said third cavity is connected to said injector.

8. The local atomizing administration device for medical purpose of claim 6, wherein said shaping wire has a through hole inside, one end of said through hole is connected to said second cavity, and the other end of said through hole is connected to said injector.

9. The local atomizing administration device as claimed in claim 1, wherein a positioning cover is provided around the outer sleeve of said guide tube for positioning said atomizing head when administering the medicine to the nasal cavity.

10. The topical aerosol delivery device according to claim 9, wherein the shroud tapers from an end distal to the spray head to an end proximal to the spray head.