CN110743092A - A clinical drug delivery device - Google Patents

Abstract

The invention discloses a clinical drug delivery device. The drug delivery head is threadedly connected with the threaded groove through the external thread, the shaft groove on the fixed sealing ring corresponds to the fixed shaft, the liquid inlet hole plate corresponds to the liquid drug delivery cavity, and the second The one-way valve liquid is cleaned. The liquid enters the liquid dosing cavity through the cleaning pipe to the liquid inlet pipe, and then cleans the affected area through the liquid inlet orifice and the dosing head. When liquid medicine needs to be administered, open it. The first one-way valve, the liquid enters the liquid dosing chamber through the liquid inlet pipe for dosing operation. When solid dosing is required, the drug is placed on the drug placement groove, and the dosing head and the dosing tube are screwed together. The cleaning operation is performed, and the medicine is delivered to the affected area through the dosing head by stretching the telescopic rod. The invention saves time and effort, is convenient to operate, and at the same time, the applicator has a cleaning function, is automatically cleaned, improves the traditional cleaning with cotton swabs and the like, and has high work efficiency.

Description

A clinical drug delivery device

technical field

The invention relates to a medical device, in particular to a clinical drug delivery device.

Background technique

Gynecology is a diagnosis and treatment subject in medical institutions. Gynecology is a branch of obstetrics and gynecology. It is a professional department for the diagnosis and treatment of female gynecological diseases. Gynecological diseases include: diseases of the female reproductive system are gynecological diseases, including vulvar diseases, vaginal diseases, uterine diseases, fallopian tube diseases, ovarian diseases, etc. The diseases of the female reproductive system are called gynecological diseases. In gynecological clinical operations, it is often necessary to apply medicine to the lower body of the patient, and the wound needs to be cleaned before applying medicine, and then the medicine is applied. The current operation method is to wipe and clean with a cotton swab, which is very troublesome and efficient. Low, and the traditional drug delivery is that medical staff or patients themselves usually wear disposable gloves and push the drug to the affected area. This method of drug delivery is only suitable for drugs such as blocks and suppositories, but some Granular medicines, liquid medicines and paste medicines cannot be administered in this way, which brings inconvenience to gynecological care, and the traditional medicine dispenser is not convenient for cleaning.

SUMMARY OF THE INVENTION

The purpose of this patent is to solve the above-mentioned troublesome and complicated operation of manual cleaning and then applying medicine, delaying working time, low efficiency, and inability to adapt to the problems of simultaneous use of solid medicine and liquid medicine, inconvenient cleaning, high workload of medical staff, and A clinical drug delivery device is provided.

The patent is composed of a drug delivery head, a drug delivery tube, a fixed sealing ring and a drug storage device. A fixed sealing ring is arranged in the inner cavity of the drug delivery head, the right end of the drug delivery head is provided with a drug delivery tube, and the right end of the drug delivery tube is provided with a drug delivery tube. equipped with a drug storage device;

The outer side of the right end of the dosing head is provided with an external thread, the rear end of the inner wall of the dosing head is provided with a fixing block, the right end of the fixing block is provided with a fixed sealing ring, the fixed sealing ring is provided with a liquid inlet orifice, and the middle of the liquid inlet orifice is provided. with shaft groove;

The drug delivery tube includes a partition plate, a liquid drug delivery cavity, a solid drug delivery cavity, a telescopic rod, a drug placement groove, a fixed shaft, a threaded groove and a drug inlet. Correspondingly, the threaded groove and the external thread are connected by thread, a partition plate is arranged between the liquid dosing cavity and the solid dosing cavity, and the left end of the partition plate is provided with a fixed shaft corresponding to the shaft groove, and the liquid dosing is provided. The right end of the cavity is provided with a medicine inlet, and the inner cavity of the solid administration cavity is provided with a medicine placement groove, the right side of the medicine placement groove is connected with one end of the telescopic rod, and the other end of the telescopic rod extends to the outside of the solid drug administration cavity;

The medicine storage device includes a medicine liquid cavity, a clean water cavity, a liquid inlet pipe, a cleaning pipe, a first one-way valve and a second one-way valve, and the medicine liquid cavity and the clean water cavity are integrally formed. The baffles are separated, the upper end of the liquid medicine chamber is connected with one end of the liquid inlet pipe, the other end of the liquid inlet pipe is connected with the liquid inlet, the liquid inlet pipe is provided with a first one-way valve, and the side of the liquid inlet pipe is provided with a cleaning pipe , the end of the cleaning pipe is connected with the cleaning cavity, and the cleaning pipe is provided with a second one-way valve.

The working principle and process of the present invention:

When the applicator is working, the dosing head is threadedly connected with the threaded groove through the external thread, the shaft groove on the fixed sealing ring corresponds to the fixed shaft, the liquid inlet hole plate corresponds to the liquid dosing cavity, and the second one-way valve is opened for liquid injection. In the cleaning operation, the liquid enters the liquid dosing chamber through the cleaning pipe to the liquid inlet pipe, and then cleans the affected area through the liquid inlet orifice and the dosing head. When the liquid medicine needs to be administered, open the first one-way valve. , the liquid enters the liquid dosing chamber through the liquid inlet pipe for the dosing operation. When solid dosing is required, the drug is placed on the drug placement tank, and the dosing head and the dosing tube are screwed together. After that, the cleaning operation is performed. Extend the telescopic rod and deliver the drug to the affected area through the dosing head.

Beneficial effects of the present invention:

The patent can be applied to different medicines by having a solid dosing cavity and a liquid dosing cavity, and has a wide range of applications, avoiding the need for medical staff to replace and take the drug delivery device for drug delivery, saving time and effort, and convenient operation. It has a cleaning function, automatic cleaning, improves the traditional cleaning with cotton swabs, etc., and has high work efficiency. Secondly, the dosing head and the dosing tube can be disassembled and separated, which is convenient for cleaning the inside of the dosing tube, and improves the hygiene and safety of the dosing device. The patent is easy to use, strong in applicability, convenient in operation, safe and hygienic, and has many functions.

Description of drawings

Figure 1 is a schematic cross-sectional view of the internal structure of this patent.

FIG. 2 is a schematic perspective view of the patent when it is unfolded.

Figure 3 is a schematic diagram of the structure of the medicine slot and the telescopic rod of the present patent.

Detailed ways

Please refer to Fig. 1, Fig. 2 and Fig. 3. This embodiment is composed of a drug delivery head 1, a drug delivery tube 2, a fixed sealing ring 3 and a drug storage device 4. The inner cavity of the drug delivery head 1 is provided with a fixed The sealing ring 3, the right end of the drug delivery head 1 is provided with a drug delivery tube 2, and the right end of the drug delivery tube 2 is provided with a drug storage device 4;

An outer thread 11 is provided on the outer side of the right end of the drug delivery head 1, a fixing block 12 is provided at the rear end of the inner wall of the drug delivery head 1, a fixed sealing ring 13 is provided on the right end of the fixing block 12, and a liquid inlet hole plate is provided on the fixed sealing ring 13 14. A shaft groove 15 is provided in the middle of the liquid inlet orifice plate 14;

The drug delivery tube 2 includes a partition plate 21, a liquid drug delivery cavity 22, a solid drug delivery cavity 23, a telescopic rod 24, a drug placement groove 25, a fixed shaft 26, and a threaded groove 27, which are arranged on the left end of the drug delivery tube 2. 27 and the medicine inlet 28, the threaded groove 27 corresponds to the external thread 11, the threaded groove 27 and the external thread 11 are connected by thread, and a partition plate 21 is provided between the liquid dosing cavity 22 and the solid dosing cavity 23, The left end of the partition plate 21 is provided with a fixed shaft 26 corresponding to the shaft groove 15, the right end of the liquid dosing cavity 22 is provided with a drug inlet 28, and the inner cavity of the solid dosing cavity 23 is provided with a drug storage groove 25. The right side of the medicine tank 25 is connected with one end of the telescopic rod 24, and the other end of the telescopic rod 24 extends to the outside of the solid dosing cavity 23;

The medicine storage device 4 includes a medicine liquid cavity 41, a clean water cavity 42, a liquid inlet pipe 43, a cleaning pipe 44, a first one-way valve 45 and a second one-way valve 46. The medicine liquid cavity 41 and the clean water cavity 42 are integrally formed. The liquid medicine cavity 41 and the clean water cavity 42 are separated by a baffle plate. The upper end of the liquid medicine cavity 41 is connected to one end of the liquid inlet pipe 43 , and the other end of the liquid inlet pipe 43 is connected to the liquid inlet port 28 . There is a first one-way valve 45 , a cleaning pipe 44 is provided on the side of the liquid inlet pipe 43 , the end of the cleaning pipe 44 is connected with the cleaning chamber 42 , and a second one-way valve 46 is arranged on the cleaning pipe 44 .

The working principle and process of the present invention:

Referring to Fig. 1 and Fig. 2, when the applicator is working, the dosing head 1 is threadedly connected with the threaded groove 27 through the external thread 11, the shaft groove 15 on the fixed sealing ring 13 corresponds to the fixed shaft 26, and the liquid inlet hole The plate 14 corresponds to the liquid dosing chamber 22, and the second one-way valve 46 is opened to perform the liquid cleaning operation. The liquid enters the liquid dosing chamber 22 through the cleaning pipe 44 to the liquid inlet pipe 43, and then passes through the liquid inlet orifice 14 and administers the drug. The head 1 performs a cleaning operation on the affected area. When liquid drug administration is required, the first one-way valve 45 is opened, and the liquid enters the liquid administration chamber 22 through the liquid inlet pipe 43 for administration operation. When solid administration is required , place the medicine on the medicine setting groove 25, screw the medicine head 1 and the medicine tube 2, and then perform the cleaning operation.

Claims (1)

1. A clinical drug delivery device, characterized in that: it is composed of a drug delivery head (1), a drug delivery tube (2), a fixed sealing ring (3) and a drug storage device (4), and the drug delivery head (1). ) is provided with a fixed sealing ring (3), the right end of the drug delivery head (1) is provided with a drug delivery tube (2), and the right end of the drug delivery tube (2) is provided with a drug storage device (4); An outer thread (11) is provided on the outer side of the right end of the drug delivery head (1), a fixing block (12) is provided at the rear end of the inner wall of the drug delivery head (1), and a fixed sealing ring (13) is provided on the right end of the fixing block (12). , a liquid inlet hole plate (14) is arranged on the fixed sealing ring (13), and a shaft groove (15) is arranged in the middle of the liquid inlet hole plate (14); The drug delivery tube (2) comprises a partition plate (21), a liquid drug delivery cavity (22), a solid drug delivery cavity (23), a telescopic rod (24), a drug placement groove (25), a fixed shaft (26), a thread The groove (27) and the drug inlet (28), the threaded groove (27) is arranged on the left end of the drug delivery tube (2), the threaded groove (27) corresponds to the external thread (11), and the threaded groove (27) corresponds to the outer thread (11). The external thread (11) is connected by a thread, a partition plate (21) is arranged between the liquid administration cavity (22) and the solid administration cavity (23), and the left end of the partition plate (21) is provided with a shaft groove (15). ) corresponding to the fixed shaft (26), the right end of the liquid administration cavity (22) is provided with a medicine inlet (28), and the inner cavity of the solid administration cavity (23) is provided with a medicine placement groove (25), where the medicine is placed. The right side of the groove (25) is connected with one end of the telescopic rod (24), and the other end of the telescopic rod (24) extends to the outside of the solid dosing cavity (23); The medicine storage device (4) comprises a medicine liquid cavity (41), a clean water cavity (42), a liquid inlet pipe (43), a cleaning pipe (44), a first one-way valve (45) and a second one-way valve (46) , the liquid medicine cavity (41) and the clean water cavity (42) are integrally formed, the liquid medicine cavity (41) and the clean water cavity (42) are separated by a baffle, and the upper end of the liquid medicine cavity (41) is connected to the liquid inlet pipe (43) one end is connected, the other end of the liquid inlet pipe (43) is connected with the liquid inlet (28), the liquid inlet pipe (43) is provided with a first check valve (45), and the side of the liquid inlet pipe (43) A cleaning pipe (44) is provided, the end of the cleaning pipe (44) is connected with the cleaning cavity (42), and the cleaning pipe (44) is provided with a second one-way valve (46); The cross-sectional shape of the medicine placing groove (25) is semicircle, and a sterile pad is sleeved on the surface of the medicine placing groove (25); The shape of the liquid inlet orifice plate (14) is a semicircle, the area of the liquid inlet orifice plate (14) is equal to half of the area of the fixed sealing ring (13), the holes on the liquid inlet orifice plate (14) are evenly distributed, and the shape is conical.

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