Catheter type dosing device

Abstract

The utility model belongs to the technical field of gynecological nursing appliances, and particularly relates to a catheter type dosing device which comprises a dosing tube and a dosing mechanism, and the dosing tube comprises a tube body and a dosing hole formed in the outer wall of the tube body; the dosing mechanism is connected to the tube body and comprises a connecting tube, a sealing disc, an air bag, a piston rod, a piston and a baffle, the outer wall of the left end of the connecting tube is connected with the tube body through the sealing disc, the left end of the connecting tube is connected with the air bag located in the tube body, the piston rod is arranged in the connecting tube, and the piston is arranged at the left end of the piston rod. The piston rod is pulled outwards, the air bag contracts, liquid medicine is sucked into the medicine feeding pipe, the piston rod is pushed, the air bag expands, the liquid medicine is extruded out of the medicine feeding hole, the piston rod continues to be pushed after extrusion, the air bag expands and protrudes out of the medicine feeding hole, and medicine smearing is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to gynecological nursing appliance technical field, concretely is a catheter formula dosing device. BACKGROUND

[0002] The disease of female reproductive system is gynecological disease, including external genitalia disease, vaginal disease, uterus disease, oviduct disease, ovary disease etc.

[0003] In the treatment of vaginal disease, the drug needs to be put into the vagina, and the commonly used catheter has only one dosing port, so that the liquid medicine cannot be uniformly diffused in the patient's diseased part. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above and / or the problems existing in the prior art, the utility model is proposed.

[0006] Therefore, the utility model aims to provide a catheter formula dosing device, pull the piston rod, the air bag contracts, the liquid medicine is sucked into the dosing pipe, the piston rod is pushed, the air bag expands, the liquid medicine is squeezed out from the dosing hole, after extrusion, the piston rod is continuously pushed, the air bag is inflated and protrudes from the dosing hole, and the medicine is conveniently applied.

[0007] A catheter formula dosing device comprises:

[0008] A dosing pipe comprises a pipe body and a dosing hole formed in the outer wall of the pipe body.

[0009] A dosing mechanism is connected to the pipe body, and comprises a connecting pipe, a sealing disc, an air bag, a piston rod, a piston and a baffle.

[0010] As a preferred scheme of the catheter type drug delivery device, the protective mechanism is arranged between the pipe body and the connecting pipe, the protective mechanism comprises a sliding sleeve, a first gear rack, a gear and a second gear rack, the sliding sleeve is arranged outside the pipe body, the first gear rack is arranged on the inner wall of the right end of the sliding sleeve, the gear is arranged on the outer wall of the connecting pipe, the gear is engaged with the first gear rack and the second gear rack on the upper and lower sides respectively, and the second gear rack passes through the baffle on the connecting pipe and is connected with the baffle on the right end of the piston rod.

[0011] As a preferred scheme of the catheter type drug delivery device, the drug delivery holes are uniformly distributed on the outer wall of the pipe body, and the drug delivery holes are all provided with valves.

[0012] As a preferred scheme of the catheter type drug delivery device, the pipe body, the connecting pipe and the sliding sleeve are all transparent.

[0013] As a preferred scheme of the catheter type drug delivery device, when the piston rod is pushed to the left of the air bag, the sliding sleeve moves to the right, so that the drug delivery holes are exposed.

[0014] As a preferred scheme of the catheter type drug delivery device, the outer wall of the connecting pipe is provided with a straight line scale mark, and the straight line scale mark adopts a fluorescent mark.

[0015] As a preferred scheme of the catheter type drug delivery device, the left and right side walls of the baffle are both provided with anti-skid convex points.

[0016] Compared with the prior art, the drug delivery holes are arranged on the pipe body of the drug delivery pipe, the air bag is arranged inside the drug delivery pipe, the piston rod is pulled out, the air bag is contracted, the liquid medicine is sucked into the drug delivery pipe, the piston rod is pushed, the air bag is inflated, the liquid medicine is squeezed out of the drug delivery holes, and after being squeezed out, the piston rod is continuously pushed, so that the air bag is inflated and protrudes from the drug delivery holes, and the medicine is conveniently applied. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0018] Fig. 1 It is an external structure schematic view of the present application;

[0019] Fig. 2 It is a drug delivery mechanism structure schematic view of the present application;

[0020] Fig. 3 The figure is a structure schematic diagram of the administration mechanism.

[0021] In the figure: 100 administration tube, 110 tube body, 120 administration hole, 130 valve, 200 administration mechanism, 210 connecting tube, 220 sealing disc, 230 air bag, 240 piston rod, 250 piston, 260 baffle, 300 protection mechanism, 310 sliding sleeve, 320 first rack, 330 gear, 340 second rack. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings.

[0023] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0024] Secondly, the utility model is described in detail in combination with the schematic diagram, when detailing the embodiments of the utility model, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, three-dimensional spatial dimensions of length, width and depth should be included in actual manufacture.

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0026] The utility model provides a catheter type administration device, outer pull piston rod, air bag contraction, liquid medicine is inhaled into administration tube, push piston rod, air bag inflation, liquid medicine is extruded from administration hole, after extrusion, continue to push piston rod, air bag is inflated from administration hole, it is convenient to carry out medicine, please refer to Figs. 1-3 , including: administration tube 100 and administration mechanism 200.

[0027] Administration tube 100 includes tube body 110 and administration hole 120 set up in the outer wall of tube body 110, specifically, administration hole 120 is evenly distributed on the outer wall of tube body 110, administration hole 120 is all provided with valve 130, liquid medicine is inhaled and discharged by using evenly distributed administration hole 120, valve 130 adopts elastic soft rubber film, is closed in natural state, is opened when liquid flow is circulated, avoids that external dust enters the inside of tube body 110.

[0028] The administration mechanism 200 is connected to the tube body 110, and comprises a connecting tube 210, a sealing disc 220, an air bag 230, a piston rod 240, a piston 250 and a baffle 260. The outer wall of the left end of the connecting tube 210 is connected to the tube body 110 through the sealing disc 220. The left end of the connecting tube 210 is connected to the air bag 230 located in the tube body 110. The piston rod 240 is arranged in the connecting tube 210. The piston 250 is arranged at the left end of the piston rod 240. The baffle 260 is arranged at the right end of the connecting tube 210 and the right end of the piston rod 240.

[0029] The piston 250 is moved in the connecting tube 210 by pushing the piston rod 240. When the piston 250 moves to the left, the gas in the connecting tube 210 is pushed into the air bag 230, so that the air bag 230 is inflated. When the piston 250 moves to the right, the gas in the air bag 230 is extracted, so that the air bag 230 is deflated.

[0030] Dust can enter the tube body 110 through the administration hole 120. Therefore, the protection mechanism 300 is arranged between the tube body 110 and the connecting tube 210. The protection mechanism 300 comprises a sliding sleeve 310, a first rack 320, a gear 330 and a second rack 340. The sliding sleeve 310 is arranged outside the tube body 110. The first rack 320 is arranged on the inner wall of the right end of the sliding sleeve 310. The gear 330 is arranged on the outer wall of the connecting tube 210. The first rack 320 and the second rack 340 are respectively engaged with the gear 330 on the upper and lower sides of the gear 330. The second rack 340 passes through the baffle 260 on the connecting tube 210 and is connected to the baffle 260 at the right end of the piston rod 240.

[0031] When the piston 250 moves to the left, the second rack 340 is driven to move, the second rack 340 drives the first rack 320 to move to the right through the gear 330, the first rack 320 drives the sliding sleeve 310 to move to the right, and the sliding sleeve 310 moves to the right from the tube body 110, so that the administration hole 120 is exposed. Conversely, the administration hole 120 can be closed. The user can select to use according to the needs.

[0032] The tube body 110, the connecting tube 210 and the sliding sleeve 310 are all transparent, so that the internal liquid medicine can be observed through the shell.

[0033] The outer wall of the connecting tube 210 is provided with a straight line scale mark. The straight line scale mark is a fluorescent mark, and the administration depth can be read according to the straight line scale mark.

[0034] The baffle 260 is flat, and it is easy to slip during operation. Therefore, the baffle 260 is provided with anti-skid convex points on the left and right side walls, so as to improve the anti-skid effect.

[0035] In the specific use, when the outer pull piston 250 moves right, the gas in the air bag 230 is extracted, the air bag 230 is deflated, at this time, the negative pressure in the pipe body 110 absorbs the medicine into the pipe body 110, the piston 250 is pushed to move left, the gas in the connecting pipe 210 is pushed into the air bag 230, the air bag 230 is inflated, the medicine is squeezed out from the medicine outlet hole 120 to carry out the medicine administration, after the medicine administration is completed, the piston 250 is continuously pushed, the air bag 230 is continuously inflated to protrude from the medicine outlet hole 120, at this time, the protruding air bag 230 part makes the left end of the pipe body 110 form the brush head form, which is convenient for medicine application and makes the medicine uniformly distributed.

[0036] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any way, and the combinations are not exhaustively described in the specification only for the consideration of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A catheter-type administration device characterized by comprising: The application relates to a drug delivery tube. The drug delivery tube comprises a tube body (110) and a drug delivery hole (120) arranged on the outer wall of the tube body (110); a drug delivery mechanism (200) is connected to the tube body (110), and the drug delivery mechanism (200) comprises a connecting tube (210), a sealing disc (220), an air bag (230), a piston rod (240), a piston (250) and a baffle (260); the left end of the connecting tube (210) is connected to the tube body (110) through the sealing disc (220); the left end of the connecting tube (210) is connected to the air bag (230) arranged in the tube body (110); the piston rod (240) is arranged in the connecting tube (210); the left end of the piston rod (240) is provided with the piston (250); and the right end of the connecting tube (210) and the right end of the piston rod (240) are both provided with the baffle (260). A protection mechanism (300) is arranged between the tube body (110) and the connecting tube (210), and the protection mechanism (300) comprises a sliding sleeve (310), a first gear rack (320), a gear (330) and a second gear rack (340); the sliding sleeve (310) is arranged outside the tube body (110); the first gear rack (320) is arranged on the inner wall of the right end of the sliding sleeve (310); the gear (330) is arranged on the outer wall of the connecting tube (210); the gear (330) is engaged with the first gear rack (320) and the second gear rack (340) on the upper and lower sides of the gear (330) respectively; and the second gear rack (340) passes through the baffle (260) on the connecting tube (210) and is connected to the baffle (260) on the right end of the piston rod (240).

2. A catheter-type administration device according to claim 1, wherein The drug delivery holes (120) are uniformly distributed on the outer wall of the tube body (110), and the drug delivery holes (120) are all provided with valves (130).

3. The catheter-type administration device according to claim 1, wherein The tube body (110), the connecting tube (210) and the sliding sleeve (310) are all transparent.

4. The catheter-type administration device according to claim 2, wherein When the piston rod (240) is pushed to move leftwards to the air bag (230), the sliding sleeve (310) moves rightwards to expose the drug delivery hole (120).

5. The catheter-type administration device according to claim 2, wherein The outer wall of the connecting tube (210) is provided with a straight line scale mark, and the straight line scale mark adopts a fluorescent mark.

6. The catheter-type administration device according to claim 1, wherein The left and right side walls of the baffle (260) are both provided with anti-skid convex points.

7. The catheter-type administration device according to claim 1, wherein ​

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