CN213347403U - Novel drug delivery device - Google Patents

Abstract

The utility model discloses a novel drug delivery device, which comprises a bracket, a conduit communicated with a channel in the bracket, a gasket, a through hole and a connecting structure, wherein the gasket is detachably connected in the bracket and is matched with a drug inlet of the channel; the through hole is formed in the end face of the gasket, is adjustable in size and is used for adjusting the outflow speed of medicinal powder and medicinal liquid; the connecting structure is arranged on one side of the gasket, which is far away from the channel, and is used for connecting the drug delivery device. The utility model discloses a device of dosing simple structure, convenient to use can carry powder, liquid medicine accuracy to the surface of a wound under peritoneoscope or endoscope to reach effects such as hemostasis, antiphlogosis, washing.

Description

Novel drug delivery device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to novel drug delivery device.

Background

At present, some medicinal powder and liquid medicine are often needed to treat or wash wounds in laparoscopic and endoscopic operations, such as hemostatic powder, antibiotic powder, physiological saline and the like. The conventional medicine powder delivery mode has undesirable effects, such as the use of a syringe to deliver medicine powder to an affected part for the treatment of otitis externa, and the size of a needle limits the administration site, accuracy and dosage. When an endoscope is used for treating ulcerative enteritis, if normal saline is not used for cleaning the pustule on the ulcer surface before spraying, the whole operation effect is influenced. If the medicinal powder particles are large, the needle or the syringe is easy to block. Part of minimally invasive surgery increases the pain of patients because of no efficient administration mode, and for example, accurate delivery of hemostatic powder to a bleeding site is always a difficulty in endoscopic surgical hemostasis.

Based on the above situation, the utility model provides a novel drug delivery device can effectively solve above problem.

SUMMERY OF THE UTILITY MODEL

To the not enough of existence among the prior art, the utility model aims to provide a novel device of dosing. The utility model discloses a device of dosing simple structure, convenient to use can carry powder, liquid medicine accuracy to the surface of a wound under peritoneoscope or endoscope to reach effects such as hemostasis, antiphlogosis, washing.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a novel drug delivery device comprising a cradle and a conduit communicating with an interior channel of said cradle, further comprising:

the gasket is detachably connected inside the bracket and is matched with the medicine inlet of the channel;

the through hole is formed in the end face of the gasket, is adjustable in size and is used for adjusting the outflow speed of medicinal powder and medicinal liquid;

the connecting structure is arranged on one side, away from the channel, of the gasket and used for being connected with a medicine feeding bottle.

As a preferred technical scheme of the utility model, the gasket includes two first gaskets and second gaskets that can rotate relatively, the internal surface of first gasket in second gasket surface looks adaptation, just the surface of first gasket have with the inside matched with annular of bracket is protruding.

As an optimal technical solution of the present invention, the bracket is fixedly connected to the guide tube through a limiting protrusion having a certain length.

As a preferred technical scheme of the utility model, the pipe outside cover is equipped with the sleeve pipe, just sheathed tube one end wrap up in the spacing protruding outside.

As a preferred technical scheme of the utility model, the pipe all has the chamfer with sheathed tube end of dosing.

As an optimized technical scheme of the utility model, connection structure is the screw hole, can be connected with the medicine bottle that various sizes are close, carries out powder, liquid medicine conveying.

As an optimized technical scheme of the utility model, the gasket is sphere or plane.

As an optimized technical scheme of the utility model, the thru hole comprises two at least thin seams that extend to the outside from the center, and the thin seam width is 0.2 ~ 3 mm.

As a preferable embodiment of the present invention, the width of the through hole along the administration direction is gradually increased.

As a preferred technical scheme of the utility model, the cross section of thru-hole is trapezoidal.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model discloses can be to the accurate transport to the surface of a wound of multiple medicines such as hemostasis powder, antibiotic medicine powder, normal saline, have convenient operation, stable performance's beneficial effect. And simultaneously, the utility model discloses the device adjusts the outflow speed of powder, liquid medicine through width, quantity and the length of slit on the rotatory adjustable thru hole of gasket, solves powder, liquid medicine transfer rate at the excessive speed, leaks powder, weeping, pipe jam scheduling problem, reinforcing effect such as hemostasis, diminishing inflammation, washing.

The pipe soft or hard can select as required, the sleeve pipe can use according to the demand after making up with the pipe, also can take off exclusive use or do not use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the gasket according to the present invention;

fig. 3 is a schematic side view of the gasket according to the present invention;

fig. 4 is a schematic cross-sectional view of the gasket according to the present invention;

fig. 5 is a schematic structural view of the utility model after being installed on a medicine feeding bottle.

Reference numerals: 1-a bracket; 2-a catheter; 3-a gasket; 4-a linking structure; 5-a medicine-feeding bottle; 6-limiting bulges; 7-a sleeve; 11-a channel; 31-a first gasket; 32-a second gasket; 33-through hole; 301-annular protrusion.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1, the utility model provides a novel drug delivery device, including bracket 1, gasket 3, pipe 2, sleeve pipe 7, passageway 11, earlier insert bracket front end spacing convex body 6 inside pipe 2 (the pipe is softer) end that does not chamfer, pass pipe 2 with sleeve pipe 7 again, the cover is outside at pipe 2, and the cover is outside at bracket 1 front end spacing convex body 6 simultaneously. The chamfer end is used for conveying hemostatic powder. The size and the number of the through holes 33 are adjusted by rotating the gasket 3 according to the required powder discharging speed so as to adjust the airflow area and control the powder discharging amount and the powder spraying speed (as shown in figures 2-4). In this embodiment, before the gasket 3 is inserted into the bracket, the first gasket 31 and the second gasket 32 are rotated to adjust the size of the through hole 33, and then the annular protrusion 301 is engaged with the groove correspondingly disposed in the bracket 1. The medicine feeding bottle 5 containing the hemostatic powder is connected with a connecting structure 4 (as shown in fig. 5), the connecting structure 4 is a threaded hole or other connecting structures, a sleeve 7 is inserted into a laparoscope working channel, and then the hemostatic powder can be conveyed to a bleeding wound surface through extruding the spray bottle to stop bleeding.

In the embodiment, the length of the limiting convex body 6 is 1-3 cm, the inner diameter is 1.3-5.3 mm, and the outer diameter is 1.4-5.5 mm; the length of the conduit 2 is 10-40 cm, the inner diameter is 1-5 mm, and the outer diameter is 1.2-5.2 mm; the length of the sleeve 7 is 8-39 cm, the inner diameter is 1.4-5.4 mm, the outer diameter is 1.6-5.6 mm, and the inner diameter of the sleeve 7 is larger than the outer diameter of the guide pipe 2.

Example 2:

as shown in fig. 1 to 5, after the un-chamfered end of the conduit 2 is coated with a UV light curing agent, the un-chamfered end is inserted into the limiting convex body 6 at the front end of the bracket 1, and then the conduit 2 and the bracket 1 are cured by glue through a UV light curing machine, and the un-chamfered end of the conduit 2 is fixed on the bracket. The size and the number of the through holes 33 are adjusted by rotating the gasket 3 according to the required powder discharging speed so as to adjust the airflow area and control the powder discharging amount and the powder spraying speed. The gasket 3 is clamped into the bracket, and after the gasket is fixed, the administration bottle 5 containing the styptic powder is connected with the bracket 1. The catheter 2 is inserted into a working channel of the endoscope, and the hemostatic powder is conveyed to a bleeding wound surface through the extrusion spray bottle to stop bleeding.

Example 3:

as shown in fig. 1 to 5, the conduit 2 is directly inserted into the bracket front end limiting convex body 6, and then the sleeve 7 is inserted through the conduit, sleeved outside the conduit 2 and inserted outside the bracket front end limiting convex body 6. The through holes are preferably designed into a slit structure, and the width of the slit is adjusted to reduce or prevent liquid leakage. After the administration bottle 5 containing normal saline is connected with the bracket 1, the sleeve is inserted into the working channel of the endoscope, and the normal saline is extruded out through the extrusion spray bottle to clean the pustule on the ulcer surface. Change a set of new device of dosing, be connected the bottle 5 of dosing of powder such as fluorine contained meisong with bracket 1, spray the powder to the surface of a wound through extrusion bottle 5 of dosing.

The conveying device can be directly used for open surgery, can also be used in combination with a laparoscope and an endoscope, sprays hemostatic powder, antibiotic powder, physiological saline and the like to the wound surface under visualization, and performs hemostasis, anti-inflammation, cleaning and the like. And simultaneously, the utility model discloses can accurate conveying powder, liquid medicine to adjust the speed of spreading of powder, liquid medicine through rotary gasket, effect such as reinforcing hemostasis, antiphlogosis.

According to the description and the attached drawings of the utility model, the technical personnel in the field can easily make or use the novel drug delivery device, and can produce the positive effects recorded by the utility model.

Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the orientation or positional relationship in the present invention are used only for exemplary illustration and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meaning of the above terms according to specific situations by referring to the drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims (10)

1. A novel drug delivery device comprising a carrier (1) and a catheter (2) communicating with an internal passage (11) of the carrier (1), characterized in that it further comprises:

the gasket (3) is detachably connected inside the bracket (1) and is matched with the medicine inlet of the channel (11);

the through hole (33) is formed in the end face of the gasket (3), and the size of the through hole (33) is adjustable and is used for adjusting the outflow speed of the medicinal powder and the medicinal liquid;

the connecting structure (4) is arranged on one side, away from the channel (11), of the gasket (3) and used for being connected with the medicine feeding bottle (5).

2. A novel drug delivery device as claimed in claim 1, wherein: the gasket (3) comprises a first gasket (31) and a second gasket (32) which can rotate relatively, the inner surface of the first gasket (31) is matched with the outer surface of the second gasket (32), and the outer surface of the first gasket (31) is provided with an annular bulge (301) matched with the inside of the bracket (1).

3. A novel drug delivery device as claimed in claim 1, wherein: the bracket (1) is fixedly connected with the guide pipe (2) through a limiting bulge (6) with a certain length.

4. A novel drug delivery device as claimed in claim 3, wherein: the outer side of the guide pipe (2) is sleeved with a sleeve (7), and one end of the sleeve (7) wraps the outer side of the limiting protrusion (6).

5. A novel drug delivery device as claimed in claim 4, wherein: the administration ends of the catheter (2) and the cannula (7) are provided with chamfers.

6. A novel drug delivery device as claimed in claim 1, wherein: the connecting structure (4) is a threaded hole.

7. A novel drug delivery device as claimed in claim 1, wherein: the gasket (3) is spherical or plane.

8. A novel drug delivery device as claimed in claim 1, wherein: the through holes (33) are composed of at least two thin slits extending outwards from the center, and the width of each thin slit is 0.2-3 mm.

9. A novel drug delivery device as claimed in claim 1, wherein: the width of the through hole (33) along the administration direction is gradually increased.

10. A novel drug delivery device as claimed in claim 1, wherein: the cross section of the through hole (33) is trapezoidal.

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