CN221637094U - Indwelling type vagina drug delivery device - Google Patents

Abstract

The utility model relates to the technical field of vaginal drug delivery devices, in particular to an indwelling vaginal drug delivery device which comprises a drug delivery tube, wherein a push rod is inserted in the drug delivery tube in a sliding manner, a drug delivery mechanism which is convenient for drug delivery is inserted in the drug delivery tube in a sliding manner, a drug delivery bag is connected in the drug delivery tube in a sliding manner, a tympanic membrane is fixedly connected in the drug delivery tube, a drug storage bin is arranged on the left side of the tympanic membrane in the inner cavity of the drug delivery bag, a gas bin is arranged on the right side of the tympanic membrane in the inner cavity of the drug delivery bag, and a drug outlet hole is formed in the front end of the drug delivery bag in a penetrating manner. This keep somewhere formula vagina ware of dosing is offered at the front end of dosing pipe through going out the medicine head, and the inside slip grafting of dosing pipe has the push rod of top installation push pedal to in keeping with the mechanism of dosing in the dosing pipe and carrying out the propelling movement and put into patient's vagina, the interval has the tympanic membrane between the medicine storage bin and the gas storehouse that set up in the bag of dosing, and the inside in gas storehouse is provided with gluey head, in order to release medicine in the medicine storage bin.

Description

Indwelling vaginal drug delivery device

Technical Field

The utility model relates to the technical field of vaginal medication devices, in particular to an indwelling vaginal medication device.

Background Art

A vaginal applicator is a device used to deliver medication into the vagina. It is usually made of plastic or metal and has a catheter or tube that is inserted into the vagina. This applicator can help deliver medication deep into the vagina, especially to hard-to-reach areas such as the cervix.

The above device does not have a structure for vaginal retention and slow drug delivery when in use, so that most of the existing vaginal retention drugs rely on vaginal suppositories for drug delivery, the treatment effect is relatively simple, and it is very easy to stain the vulva and underwear, which is inconvenient to use. Based on the shortcomings of the existing technology, the utility model designs an indwelling vaginal drug delivery device.

Utility Model Content

In view of the deficiencies of the prior art, the utility model provides a retention-type vaginal drug delivery device, which has the advantages of vaginal retention and slow drug delivery.

The utility model provides the following technical solutions: an indwelling vaginal drug delivery device, comprising a drug delivery tube, a push rod is slidably inserted inside the drug delivery tube, and a drug delivery mechanism for convenient drug delivery is slidably inserted inside the drug delivery tube;

A reserved medication mechanism comprises a medication bag, a tympanic membrane, a medication storage chamber, an air chamber, a medication outlet hole, a rubber head and a spring. The medication bag is slidably connected to the inside of a medication tube, the tympanic membrane is fixedly connected to the inside of the medication tube, the medication storage chamber is arranged on the left side of the tympanic membrane in the inner cavity of the medication bag, the air chamber is arranged on the right side of the tympanic membrane in the inner cavity of the medication bag, the medication outlet hole is opened through the front end of the medication bag, the rubber head is slidably connected to the inside of the air chamber, and the spring is fixedly connected to the side of the rubber head away from the tympanic membrane.

As a preferred technical solution of the utility model, the medication placement mechanism also includes a limiting through hole, a limiting connecting rod and a pulling wire. The limiting through hole is opened through the rear end of the medication capsule, the limiting connecting rod is fixedly connected to one side of the rubber head, and the pulling wire is fixedly connected to the limiting connecting rod.

As a preferred technical solution of the utility model, a medicine outlet head is provided at the top of the medicine delivery tube.

As a preferred technical solution of the utility model, a wire hole is formed through the interior of the push rod, and a push plate is fixedly connected to one end of the push rod close to the medication dispensing mechanism.

As a preferred technical solution of the utility model, a medicine placement mechanism is slidably inserted inside the medicine dispensing head.

As a preferred technical solution of the utility model, the push plate is in contact with the tail end of the medication capsule.

As a preferred technical solution of the utility model, the limiting connecting rod is slidably connected to the inside of the limiting through hole, the pulling wire is arranged inside the wire hole, the medication capsule is made of medical grade TPE material, the shape of the limiting through hole is a large and small hole connected to each other, and the side wall of the rubber head is provided with a sealing rubber ring.

Compared with the prior art, the utility model has the following beneficial effects:

1. This indwelling vaginal drug delivery device is unlocked by moving the limiting connecting rod from the small hole of the limiting through hole to the large hole, and then sending the indwelling drug delivery mechanism into the drug delivery tube and inserting the push rod and the push plate into the drug delivery tube to contact the indwelling drug delivery mechanism. At this time, the drug delivery tube is slowly inserted into the patient's vagina and then the position of the drug delivery tube is fixed by one hand and the push rod is pushed inward by the other hand, so that the push rod pushes the indwelling drug delivery mechanism through the drug delivery head into the patient's vagina through the push plate and draws out the drug delivery tube and the push rod. The pulling wire in the wire hole is also drawn out from the push rod and left in the patient's vagina with a section of the end left outside the vagina. The device is convenient for leaving the indwelling drug delivery mechanism in the patient's vagina.

2. This indwelling vaginal drug delivery device, after the limit link is unlocked and the drug delivery bag enters the patient's vagina, the rubber head is pushed by the spring to move toward the drug outlet hole. At this time, the space between the tympanic membrane and the rubber head is squeezed, and the tympanic membrane is deformed and bulges in the direction of the drug storage chamber under the action of the rubber head, thereby pushing the medicine in the drug storage chamber through the drug outlet hole and into the patient's vagina. Since a sealing rubber ring is provided on the surface of the rubber head and contacts the inner wall of the drug delivery bag, the rubber head can greatly slow down its movement speed when pushed by the spring, thereby achieving the effect of slow drug delivery. After the retention time is reached and the drug delivery is completed, the outer end of the pull line can be pinched to remove the retention drug delivery mechanism from the patient's vagina. This device is convenient for retention drug delivery.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the overall structure of the utility model;

FIG2 is a schematic diagram of the explosion structure of the drug delivery tube of the utility model;

FIG3 is a schematic diagram of the explosion structure of the release mechanism of the utility model;

FIG. 4 is a schematic diagram of the connection structure between the medicine-retaining mechanism and the push rod of the utility model.

In the figure: 1. drug delivery tube; 101. drug outlet head; 2. push rod; 201. wire hole; 202. push plate; 3. drug retention mechanism; 301. drug delivery bag; 302. tympanic membrane; 303. drug storage chamber; 304. air chamber; 305. drug outlet hole; 306. limit through hole; 307. rubber head; 308. limit connecting rod; 309. spring; 310. pull line.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-4, an indwelling vaginal drug delivery device includes a drug delivery tube 1, a push rod 2 is slidably inserted inside the drug delivery tube 1, a drug placement mechanism 3 for convenient drug placement is slidably inserted inside the drug delivery tube 1, a drug delivery head 101 is opened at the top of the drug delivery tube 1, and the drug placement mechanism 3 is slidably inserted inside the drug delivery head 101.

Please refer to Figures 3-4, the drug dispensing mechanism 3 is set, and the drug dispensing mechanism 3 includes a drug dispensing bag 301, a tympanic membrane 302, a drug storage bin 303, an air bin 304, a drug outlet 305, a rubber head 307 and a spring 309. The drug dispensing bag 301 is slidably connected to the inside of the drug dispensing tube 1, the tympanic membrane 302 is fixedly connected to the inside of the drug dispensing tube 1, the drug storage bin 303 is arranged on the left side of the tympanic membrane 302 in the inner cavity of the drug dispensing bag 301, the air bin 304 is arranged on the right side of the tympanic membrane 302 in the inner cavity of the drug dispensing bag 301, the drug outlet 305 is opened through the front end of the drug dispensing bag 301, the rubber head 307 is slidably connected to the inside of the air bin 304, and the spring 309 is fixed. Connected to the side of the rubber head 307 away from the tympanic membrane 302, the medication dispensing mechanism 3 also includes a limiting through hole 306, a limiting connecting rod 308 and a pulling wire 310. The limiting through hole 306 passes through the rear end of the medication capsule 301, the limiting connecting rod 308 is fixedly connected to one side of the rubber head 307, the pulling wire 310 is fixedly connected to the limiting connecting rod 308, the limiting connecting rod 308 is slidably connected to the inside of the limiting through hole 306, the pulling wire 310 is arranged inside the wire hole 201, the medication capsule 301 is made of medical grade TPE material, the limiting through hole 306 is shaped as a large and small hole connected to each other, and the side wall of the rubber head 307 is provided with a sealing rubber ring.

By setting the eardrum 302, the rubber head 307 and the spring 309, after the limit link 308 is unlocked, the spring 309 can push the rubber head 307 to move and compress the space of the air chamber 304, so that the eardrum 302 is deformed to squeeze the medicine storage chamber 303, thereby squeezing out the medicine in the medicine storage chamber 303.

Please refer to FIG. 4 . A wire hole 201 is formed inside the push rod 2 . One end of the push rod 2 close to the medication dispensing mechanism 3 is fixedly connected to a push plate 202 . The push plate 202 contacts the rear end of the medication capsule 301 .

By setting the wire hole 201, it is convenient to remove the medication tube 1 and the push rod 2 after the placement of the medication mechanism 3. The pulling wire 310 can be left outside the vagina for a distance under the protection of the wire hole 201 to prevent the pulling wire 310 from completely entering the patient's vagina during the placement process, which increases the difficulty of removing the medication mechanism 3. By setting the push rod 2 and the push plate 202, the medication mechanism 3 can be quickly pushed into the patient's vagina.

Working principle: when a retention vaginal drug delivery device is used, in the initial state, first, the drug delivery head 101 is opened at the front end of the drug delivery tube 1, and the push rod 2 with a push plate 202 installed on the top is slidably inserted into the inside of the drug delivery tube 1, so as to push the retention drug delivery mechanism 3 in the drug delivery tube 1 into the patient's vagina, and the tympanic membrane 302 is arranged between the drug storage bin 303 and the air bin 304 arranged in the drug delivery bag 301, and the rubber head 307 is arranged inside the air bin 304, so as to push out the drug in the drug storage bin 303;

When it is necessary to place a medicine, first, the limiting connecting rod 308 is moved from the small hole of the limiting through hole 306 to the large hole to unlock the limiting connecting rod 308, and then the medicine placing mechanism 3 is sent into the medicine administration tube 1 and the push rod 2 and the push plate 202 are inserted into the medicine administration tube 1 to contact the medicine placing mechanism 3. At this time, the medicine administration tube 1 is slowly inserted into the patient's vagina and then the position of the medicine administration tube 1 is fixed by one hand and the push rod 2 is pushed inward by the other hand, so that the push rod 2 pushes the medicine placing mechanism 3 through the medicine outlet head 101 into the patient's vagina through the push plate 202 and the pulling wire 310 in the wire hole 201 is also pulled out from the push rod 2 and left in the patient's vagina with a section at the end left outside the vagina. After entering the patient's vagina, the rubber head 307 is pushed by the spring 309 to move toward the medicine outlet hole 305. At this time, the space between the tympanic membrane 302 and the rubber head 307 is squeezed, and the tympanic membrane 302 is deformed and bulges in the direction of the medicine storage chamber 303 under the action of the rubber head 307, thereby pushing the medicine in the medicine storage chamber 303 through the medicine outlet hole 305 and into the patient's vagina. Since a sealing rubber ring is provided on the surface of the rubber head 307 and contacts the inner wall of the drug delivery bag 301, the rubber head 307 can greatly slow down its movement speed when pushed by the spring 309, thereby achieving the effect of slow drug delivery. After the retention time is reached and the drug delivery is completed, the outer end of the pulling line 310 can be pinched to remove the retention drug delivery mechanism 3 from the patient's vagina. The device is convenient for retention drug delivery.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. An indwelling vaginal drug delivery device, comprising a drug delivery tube (1), characterized in that: the inside of the administration tube (1) is in sliding connection with a push rod (2), and the inside of the administration tube (1) is in sliding connection with a drug placing and administration mechanism (3) which is convenient for drug placing and administration;

Put and leave mechanism of dosing (3), put and leave mechanism of dosing (3) including capsule of dosing (301), tympanic membrane (302), drug storage storehouse (303), gas storehouse (304), play medicine hole (305), rubber head (307) and spring (309), capsule of dosing (301) sliding connection is in the inside of pipe of dosing (1), tympanic membrane (302) fixed connection is in the inside of pipe of dosing (1), drug storage storehouse (303) set up in the left side of tympanic membrane (302) of capsule of dosing (301) inner chamber, gas storehouse (304) set up on the right side of tympanic membrane (302) of capsule of dosing (301) inner chamber, go out medicine hole (305) and run through and offer the front end at capsule of dosing (301), rubber head (307) sliding connection is in the inside of gas storehouse (304), spring (309) fixed connection is in the one side that rubber head (307) kept away from tympanic membrane (302).

2. An indwelling vaginal drug delivery device according to claim 1, in which: the drug delivery mechanism (3) further comprises a limiting through hole (306), a limiting connecting rod (308) and a traction wire (310), wherein the limiting through hole (306) is formed in the rear end of the drug delivery bag (301) in a penetrating mode, the limiting connecting rod (308) is fixedly connected to one side of the rubber head (307), and the traction wire (310) is fixedly connected to the limiting connecting rod (308).

3. An indwelling vaginal drug delivery device according to claim 1, in which: the top end of the drug delivery tube (1) is provided with a drug outlet head (101).

4. An indwelling vaginal drug delivery device according to claim 1, in which: the inside of push rod (2) runs through and has seted up line hole (201), one end that push rod (2) are close to putting and leave mechanism of dosing (3) fixedly connected with push pedal (202).

5. An indwelling vaginal drug delivery device according to claim 3, in which: the medicine outlet head (101) is internally inserted with a medicine holding and feeding mechanism (3) in a sliding way.

6. An indwelling vaginal drug delivery device according to claim 4, in which: the push plate (202) is contacted with the tail end of the drug delivery bag (301).

7. An indwelling vaginal drug delivery device according to claim 2, in which: the limiting connecting rod (308) is slidably clamped in the limiting through hole (306), the traction wire (310) is arranged in the wire hole (201), the medicine feeding bag (301) is made of medical-grade TPE material, the limiting through hole (306) is formed by connecting big and small holes, and a sealing rubber ring is arranged on the side wall of the rubber head (307).