CN213252485U

CN213252485U - Can be by oneself vagina granule medicine send medicine ware

Info

Publication number: CN213252485U
Application number: CN202021720348.5U
Authority: CN
Inventors: 胡娟
Original assignee: Central Hospital of Wuhan
Current assignee: Central Hospital of Wuhan
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-05-25
Anticipated expiration: 2030-08-18

Abstract

A self-service vagina particle medicine feeder is used for feeding granular tablet medicines into a cervix, and comprises an outer pushing cylinder and an inner pushing cylinder, wherein when the inner pushing cylinder is completely pushed into the outer pushing cylinder, the front end of the inner pushing cylinder extends out of the front end of the outer pushing cylinder by 2-8 mm, a through hole is axially formed in the center of the inner pushing cylinder in a penetrating mode, a medicine pushing rod is embedded in the through hole, and the medicine pushing rod can move axially relative to the inner pushing cylinder in a limited mode; the front end of the inner pushing cylinder is fixedly provided with a medicine clamping claw which is axially communicated, the front end and the rear end of the medicine pushing rod are respectively and vertically fixedly provided with a front push plate and a tail cap, the tail cap is located on the outer portion of the rear end of the inner pushing cylinder, and the distance between the front push plate and the tail cap is 0-5 mm greater than the length of the inner pushing cylinder. The utility model discloses can once deliver to accurate position with the tablet medicine reliably, overall structure is simple, reliable, convenient to use, can be at and realize using medicine by oneself, do benefit to the popularization.

Description

Can be by oneself vagina granule medicine send medicine ware

Technical Field

The utility model relates to a medical appliance, in particular to a self-service vagina particle medicine feeder.

Background

The commonly used medicaments for cervical medication comprise paste, liquid and granular medicaments, and in the prior art, the paste medicament is mostly used for feeding, and the medicaments are extruded out by using a device similar to a syringe. However, granular solid tablets or capsules are difficult to use in this manner, and granular medicines are easily stuck when pushed out of the device, and even if the device tube can be extruded, problems such as reliable delivery, leakage of the medicine during the period when the medicine does not reach the cervical position, or carry-out of the medicine after delivery with withdrawal of the device are encountered, and the protection of cervical tissues is not damaged.

Disclosure of Invention

The utility model aims to solve the technical problem that an above-mentioned problem provides a can be by oneself vagina granule medicine feeder for granule medicine can reliably be placed in cervical position surely, and the medicament can not be brought back the utensil, can not injure human tissue.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the self-service vaginal granule medicine feeder is used for feeding granular medicines into the cervix, and comprises an outer pushing cylinder and an inner pushing cylinder, wherein at least part of the cross section of the outer side wall of the inner pushing cylinder is completely attached to the inner side wall of the outer pushing cylinder in the circumferential direction, so that the front part of the inner pushing cylinder is embedded in the outer pushing cylinder and can slide along the axial direction; the method is characterized in that: when the inner pushing barrel is completely pushed in, the front end of the inner pushing barrel extends out of the front end of the outer pushing barrel by 2-8 mm, a through hole is axially formed in the center of the inner pushing barrel, a medicine pushing rod is embedded in the through hole, and the medicine pushing rod can move axially relative to the inner pushing barrel in a limited manner; the front end of the inner pushing cylinder is fixedly provided with a medicine clamping claw which is axially communicated, the front end and the rear end of the medicine pushing rod are respectively and vertically fixedly provided with a front push plate and a tail cap, the tail cap is located at the outer part of the rear end of the inner pushing cylinder, the outer diameter of the front push plate is larger than the diameter of the medicine pushing rod by 1.5-12 mm, and the distance between the front push plate and the tail cap is larger than the length of the inner pushing cylinder by 0-5 mm.

Preferably, the rear part of the medicine clamping claw is in threaded connection with the barrel body of the inner pushing barrel.

Further, the center of the medicine clamping claw is axially communicated, the cross section of the front end of the medicine clamping claw is oval, a radial limiting table is arranged on the inner side wall of the medicine clamping claw at a distance of 5-10 mm from the port, and the front push plate is arranged in front of the limiting table.

Furthermore, two pairs of medicine clamping bulges which are arranged in central symmetry are arranged on the inner side wall of the front end of the medicine clamping claw, the cross section of each medicine clamping bulge is in the shape of an inward convex arc, and the positions of the medicine clamping bulges are arranged at 30-45 degrees deviating from the long axis and the short axis of the ellipse of the medicine clamping claw; the front push plate is provided with a groove at the position corresponding to the medicine clamping bulge in the axial direction, so that the front end of the front push plate can move forwards to the front of the medicine clamping claw.

The long axis and the short axis of the inner side wall ellipse of the medicine clamping claw are respectively 8-16 mm and 4-9 mm.

Preferably, the diameter of the front end of the outer pushing cylinder is the same as that of the cylinder body or the outer pushing cylinder smoothly shrinks forwards, the front end of the outer pushing cylinder is provided with an opening, an elastic barrier film is fixedly arranged at the opening, an opening is formed in the center of the barrier film, and the diameter of the opening is 3-7 mm.

Preferably, a spring is sleeved outside the medicine pushing rod between the tail cap and the tail end of the inner pushing barrel.

Preferably, the tail end of the inner pushing cylinder is fixedly provided with an inner cylinder handle which is arranged perpendicular to the axial direction; the tail end of the external pushing cylinder is fixedly provided with an external cylinder handle which is arranged perpendicular to the axial direction.

The utility model discloses can realize after the outer nozzle of a barrel reachs cervical position, the outer pushing cylinder of medicine claw with graininess medicament delivery, and further release the tablet from the medicine clamping claw, later the medicine clamping claw withdraws, withdraw the in-process owing to having blockking of barrier film, prevent that the tablet from being taken back the outer pushing cylinder, whole process is because structural constraint must be placed fixedly through the medicine grain steadily, the propelling movement position is stable, the delivery is definite, prevent to roll back several steps, can once send the tablet medicine to the accurate position reliably, and can not appear repetitive operation.

The utility model has the advantages of simple and reliable integral structure, convenient to use can be at and realize using medicine by oneself, can be applicable to the granule tablet or the capsule of not equidimension specification, do benefit to the popularization.

Drawings

Figure 1 is a sectional view of the whole structure of the utility model,

figure 2 is an enlarged view at a in figure 1,

figure 3 is an enlarged view of the cross-sectional view B-B of figure 1,

figure 4 is a drug delivery device using a different size drug gripping claw.

In the figure: 1-barrier film, 2-outer pushing cylinder, 3-front pushing plate, 4-drug clamping claw, 5-limiting table, 6-front pushing cylinder, 7-drug pushing rod, 8-connecting cylinder, 9-inner pushing cylinder, 10-outer cylinder handle, 11-tail cap, 12-inner cylinder handle, 13-spring, 14-drug clamping bulge and 15-through hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, and it is to be understood that the described examples are only some of the examples and are not all examples of the present invention. 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.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be clamped, screwed or connected by a fastener; 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.

As shown in figure 1, the self-service vaginal granule medicine feeder of the utility model is used for smoothly feeding granular tablet medicine into the cervix. The outer pushing cylinder comprises an outer pushing cylinder 2 and an inner pushing cylinder 9, the outer profiles of main bodies of the outer pushing cylinder 2 and the inner pushing cylinder 9 are cylindrical, the diameter of the outer pushing cylinder 2 is 1.5-2.5 cm, and the length of the outer pushing cylinder is 6-10 cm. An outer barrel handle 10 is fixedly arranged at the rear part of the outer side wall of the outer pushing barrel so as to be matched with the inner pushing barrel 9, so that the outer pushing barrel is convenient to clamp and is convenient to push the inner pushing barrel 9. The diameter of the inner pushing cylinder 9 can be just right embedded in the outer pushing cylinder to move, or part of the outer side wall of the inner pushing cylinder is attached to the outer pushing cylinder, or the outer diameter of the attached part of the inner pushing cylinder is 0.2-0.8 mm smaller than the inner diameter of the outer pushing cylinder, so that the inner pushing cylinder can smoothly move in the outer pushing cylinder without feeling excessive resistance, the length of the inner pushing cylinder 9 is larger than that of the outer pushing cylinder, and when the inner pushing cylinder 9 is completely pushed, the front end of the inner pushing cylinder 9 extends out of the front end of the outer pushing cylinder 2 by 2-8 mm in consideration of the thickness of an inner cylinder handle 12 at the tail end of the inner pushing cylinder. The outer pushing cylinder 2 and the inner pushing cylinder 9 can be made of transparent plastic or glass.

The arc of the front end of the outer pushing cylinder 2 is excessively closed, an opening is formed in the center of the front end, the opening is fixedly connected with the elastic barrier film 1, the barrier film 1 can be made of silica gel or latex, the center of the barrier film 1 is provided with an opening, the diameter of the opening is 3-7 mm, and the diameter of the opening is 1-5 mm smaller than that of the front end of the medicine clamping claw. Since the barrier film 1 is made of an elastic material, the opening diameter can be increased by a force and reduced when the film is restored. The barrier film 1 serves to protect the inner barrier and to prevent the tablet from falling back after it is pushed out.

The central axial of interior pushing cylinder 9 is equipped with the through-hole 15 that runs through, and through-hole 15 is embedded to have a powder pushing rod 7, and the diameter of powder pushing rod 7 is 4 ~ 8mm, and is less than through-hole 15 diameter 0.2 ~ 0.5mm, can be nimble relative inner pushing cylinder 9 axial displacement, and the axial displacement distance of powder pushing rod 7 receives the structural constraint. The medicine pushing rod 7 is used for pushing the tablets clamped by the medicine clamping claws 4 out of the clamping.

The front end of the inner pushing cylinder 9 is fixedly provided with a medicine clamping claw 4 which is axially communicated, the front end and the rear end of the medicine pushing rod 7 are respectively and fixedly provided with a front push plate 3 and a tail cap 11 vertically with the medicine pushing rod, the tail cap 11 is positioned outside the rear end of the inner pushing cylinder 9, a spring 13 is sleeved outside the medicine pushing rod 7 between the tail cap 11 and the tail end of the inner pushing cylinder 9, the medicine pushing rod 7 is pulled backwards as much as possible by the spring 13, and when the tail cap 11 is pushed forwards by a hand, the medicine pushing rod 7 can move forwards until the tail cap 11 presses an inner cylinder handle 12 of the inner pushing cylinder 9. The front push plate 3 is positioned on the medicine clamping claw 4 at the front end part of the inner push cylinder, the outer diameter of the front push plate 3 is 1.5-12 mm larger than the diameter of the medicine pushing rod, and the distance between the front push plate 3 and the tail cap 11 is 0-5 mm larger than the length of the inner push cylinder 9. The front push plate 3 moves in the cylindrical medicine clamping claw 4, and the limiting table 5 for limiting the back movement of the front push plate is arranged behind the front push plate 3, so that the medicine pushing rod 7 can move in the inner push cylinder 9 in a limited axial direction and can move forwards until the tail cap 11 presses the inner cylinder handle 12 of the inner push cylinder 9, at the moment, the thickness of the front push plate 3 is 3mm, and the front end of the front push plate 3 is 3-8 mm in front of the medicine clamping claw 4; when pushing away the atress of medicine pole 7, being drawn behind by the spring, spacing 5 is 5 ~ 7mm apart from the front end distance of medicine claw 4, and then the preceding terminal surface of preceding push pedal 3 is 2 ~ 4mm to the front end distance of pressing from both sides medicine claw 4 this moment, and the recess degree of depth that makes preceding push pedal 3 and the lateral wall of pressing from both sides medicine claw 4 enclose is enough to put into the tablet.

In fact, the medicine clamping claw 4 is a groove surrounded by the cylindrical inner side wall and the front push plate 3.

As shown in fig. 3, the cross section of the front end of the medicine clamping claw 4 is oval, the distance between the inner side wall and the port is 5-10 mm, preferably 5-7 mm, a limiting table 5 protruding radially towards the direction of the circle center is arranged, and the front push plate 3 is arranged in front of the limiting table 5. Two pairs of medicine clamping bulges 14 which are arranged in central symmetry are arranged on the inner side wall of the front end of the medicine clamping claw 4, the cross section of each medicine clamping bulge 14 is in the shape of an inward convex arc, and the positions of the medicine clamping bulges 14 are arranged at 30-45 degrees deviating from the long axis and the short axis of the ellipse of the medicine clamping claw 4; the major axis and the minor axis of the oval inside wall of each medicine clamping claw 4 are respectively 8-16 mm and 4-9 mm, and the maximum protruding length of each medicine clamping protrusion 14 is 1-3 mm. At the moment, the clamping positions can be conveniently arranged according to the size of the tablet, the size of some tablets or capsules is larger, for example, the size of the nifuratel nysfungin capsule is 15mm of long axis and 8mm of short axis, the size of some granules is smaller, the medicine clamping claws with corresponding specifications need to be replaced for use when the tablet is used, the tablet is transversely or longitudinally clamped between 4 medicine clamping bulges 14, and the spherical granular medicine can also be clamped between the 4 medicine clamping bulges 14 in the middle. The tablet clamping protrusion 14 can be made of silica gel, and has sufficient elasticity and toughness to clamp the tablet without falling off. When clamping the tablet, the tablet clamping bulge 14 needs to be elastically deformed, and the tablet is clamped by means of elastic force.

The front push plate 3 is provided with a groove at the position corresponding to the medicine clamping bulge 14 in the axial direction, so that the front end of the front push plate 3 can move forwards to the front of the medicine clamping claw 4. When the front push plate 3 moves forward, the clamped tablet is pushed out to be separated from the medicine clamping claw 4.

Preferably, in order to facilitate maintenance or replacement of the medicine clamping claws 4 with different specifications and sizes, the rear parts of the medicine clamping claws 4 are in threaded connection with the barrel body of the inner pushing barrel 9 so as to facilitate disassembly and replacement. Fig. 4 is a schematic diagram of a medicine feeder using another specification of medicine clamping claws.

Before the use, the medicine feeder needs to be reliably sterilized, and can be soaked and sterilized by using a disinfectant. During the use, reliably the centre gripping is earlier in medicine claw 4 with the tablet, then send into the medicine feeder from the vaginal orifice, reach the cervical position with the front end delivery, and preceding tail cap 11 of pushing away supports to inner tube handle 12 to the tail cap, and medicine claw 4 stretches out the centre bore of barrier film 1 this moment, and the tablet breaks away from the medicine feeder, because the outline of medicine claw 4 is the ellipse of chamfer only, and the medicine claw that stretches out can not produce the injury to body tissue. The tail cap 11 is restored by loosening the hand, the medicine clamping claw is retracted at the moment, the flexible barrier film 1 is arranged behind the medicine clamping claw when the medicine clamping claw is retracted, the body cannot be injured by the relative movement between the medicine clamping claw and the barrier film, and the tablet is isolated and blocked by the barrier film 1 and cannot be brought back along with the medicine clamping claw. The medicine feeder is drawn out. The whole process can be smoothly finished at one time without repetition. After use, the medicine feeder needs to be put in disinfectant for cleaning and disinfection or discarded.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made to the present invention without departing from the spirit and scope of the invention.

Claims

1. A self-service vagina particle medicine feeder is used for feeding granular medicines into the cervix, and comprises an outer pushing cylinder (2) and an inner pushing cylinder (9), wherein at least part of the cross section of the outer side wall of the inner pushing cylinder (9) is completely attached to the inner side wall of the outer pushing cylinder (2) in the circumferential direction, so that the front part of the inner pushing cylinder (9) is embedded in the outer pushing cylinder (2) and can slide along the axial direction; the method is characterized in that: when the inner pushing cylinder (9) is completely pushed in, the front end of the inner pushing cylinder (9) extends out of the front end of the outer pushing cylinder (2) by 2-8 mm, a through hole (15) is axially formed in the center of the inner pushing cylinder (9), a medicine pushing rod (7) is embedded in the through hole (15), and the medicine pushing rod (7) can move axially relative to the inner pushing cylinder (9) in a limited manner; the front end of interior pushing cylinder (9) is fixed and is equipped with double-layered medicine claw (4) that the axial link up, and push pedal (3) and tail cap (11) before the front end and the rear end of pushing away medicine pole (7) are fixed perpendicularly respectively, and tail cap (11) are located the outside of interior pushing cylinder (9) rear end, and preceding push pedal (3) external diameter is greater than pushing away medicine pole diameter 1.5 ~ 12mm, and the interval between preceding push pedal (3) and tail cap (11) is greater than the length of interior pushing cylinder (9) by 0 ~ 5 mm.

2. The self-service vaginal granular medicine feeder according to claim 1, characterized in that: the rear part of the medicine clamping claw (4) is in threaded connection with the barrel body of the inner pushing barrel (9).

3. The self-service vaginal granular medicine feeder according to claim 1 or 2, characterized in that: the center of medicine clamping claw (4) is axially through, the cross section of the front end is oval, the inner side wall is provided with a radial limiting table (5) at a distance of 5-10 mm from the port, and the front push plate (3) is arranged in front of the limiting table (5).

4. The self-service vaginal granular medicine feeder according to claim 3, characterized in that: two pairs of medicine clamping bulges (14) which are arranged in central symmetry are arranged on the inner side wall of the front end of the medicine clamping claw (4), the cross section of each medicine clamping bulge (14) is in the shape of an inward convex arc, and the positions of the medicine clamping bulges (14) are arranged at an angle of 30-45 degrees away from the elliptic major axis and the elliptic minor axis of the medicine clamping claw (4); the front push plate (3) is provided with a groove at the position corresponding to the medicine clamping bulge (14) in the axial direction, so that the front end of the front push plate (3) can move forwards to the front of the medicine clamping claw (4).

5. The self-service vaginal granular medicine feeder according to claim 3, characterized in that: the long axis and the short axis of the inner side wall ellipse of the medicine clamping claw (4) are respectively 8-16 mm and 4-9 mm.

6. The self-service vaginal granular medicine feeder according to claim 1, characterized in that: the diameter of the front end of the outward pushing cylinder (2) is the same as the diameter of the cylinder body or the forward smooth shrinkage is achieved, the front end of the outward pushing cylinder (2) is provided with an opening, an elastic barrier film (1) is fixedly arranged at the opening, the center of the barrier film (1) is provided with an opening, and the diameter of the opening is 3-7 mm.

7. The self-service vaginal granular medicine feeder according to claim 1, characterized in that: a spring (13) is sleeved outside the medicine pushing rod (7) between the tail cap (11) and the tail end of the inner pushing cylinder (9).

8. The self-service vaginal granular medicine feeder according to claim 1, characterized in that: an inner barrel handle (12) which is vertical to the axial direction is fixedly arranged at the tail end of the inner push barrel (9); the tail end of the external pushing cylinder is fixedly provided with an external cylinder handle (10) which is arranged perpendicular to the axial direction.