CN215231014U

CN215231014U - Medical oncology equipment exhaust assembly of dosing

Info

Publication number: CN215231014U
Application number: CN202121309953.8U
Authority: CN
Inventors: 李娜
Original assignee: Second Medical Center of PLA General Hospital
Current assignee: Second Medical Center of PLA General Hospital
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-21
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a technical field sprays paint a medicine equipment exhaust subassembly of oncology, including stabbing the needle, impale needle bottom side wall fixedly connected with air cleaner, impale the fixed pipe of dosing that has cup jointed in needle bottom, and for the socle portion be encapsulated situation, for the socle portion lateral wall seted up the round hole, for socle portion fixedly connected with adapter sleeve, adapter sleeve lower extreme fixedly connected with drip chamber, the weeping hole has been seted up to the adapter sleeve lower extreme, drip chamber inner chamber bottom fixedly connected with round bar, round bar top fixedly connected with liquid medicine filtration membrane, the buoyancy slider has been cup jointed to the round bar bottom, buoyancy slider lateral wall fixedly connected with buoyancy board, buoyancy board bottom fixedly connected with precision filtration membrane. The utility model discloses a dripping bucket bottom liquid medicine buoyancy effect down, the buoyancy board drives precise filtration membrane rebound, and the liquid medicine flows down along dosing pipe, prevents to have the bubble to flow along with the liquid medicine at the in-process of dosing, causes the injury to patient's health.

Description

Medical oncology equipment exhaust assembly of dosing

Technical Field

The utility model relates to an exhaust technical field specifically is an equipment exhaust subassembly of dosing of medical oncology.

Background

The tumor is a genetic disease, but is not genetic, and refers to a new organism formed by the abnormal proliferation of monoclonality caused by the gene change of cells under the action of carcinogenic factors, so that the growth of the cells is not normally regulated and controlled, and the new organism often forms local lumps, so that the tumor medical care personnel usually need to give medicines to patients when nursing the patients, and often cannot accurately give medicines at a constant speed when the medical care personnel give medicines to the patients in the oncology department, so that the discomfort of the patients when taking medicines is increased.

Traditional equipment of dosing when medical personnel doses to the patient, often can produce the bubble, and this can cause the injury to patient's health, and when the patient is dosing, can appear back blood phenomenon usually when the completion of dosing, has very big harm to the patient, based on this, the utility model relates to an equipment exhaust assembly is dosed to oncology to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an equipment exhaust subassembly is dosed to medical oncology to the bubble that provides and the problem of returning blood in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an equipment exhaust subassembly of dosing of medical oncology, is including stabbing the needle, impale needle bottom side wall fixedly connected with air cleaner, the fixed pipe of dosing that has cup jointed in stabbing needle bottom, and for the pipe bottom be encapsulated situation, for the pipe bottom lateral wall round hole has been seted up, for pipe bottom fixedly connected with adapter sleeve, adapter sleeve lower extreme fixedly connected with drip chamber, the weeping hole has been seted up to the adapter sleeve lower extreme, drip chamber inner chamber bottom fixedly connected with round bar, round bar top fixedly connected with liquid medicine filtration membrane, the buoyancy slider has been cup jointed to the round bar bottom, buoyancy slider lateral wall fixedly connected with buoyancy board, buoyancy board bottom fixedly connected with microfiltration membrane.

Preferably, the circular hole is communicated with the liquid leakage hole, the liquid leakage hole is L-shaped, and the bottom of the liquid leakage hole is inclined.

Preferably, the liquid medicine filtering membrane is circular and is fixedly connected with the inner side wall of the dropping funnel.

Preferably, the circular groove has been seted up to the adapter sleeve lateral wall, and the circular groove runs through adapter sleeve and drip chamber, the inside fixedly connected with outlet duct of circular groove, and the outlet duct bottom extends to inside the drip chamber, the waterproof filtration membrane of outlet duct top fixedly connected with.

Preferably, the administration tube penetrates through the bottom of the dropping funnel and extends into the dropping funnel, the diameter of the microfiltration membrane is larger than that of the administration tube, and the bottom of the microfiltration membrane is attached to the administration tube.

Preferably, the upper part of the dropping funnel is conical, and the top of the dropping funnel is attached to the bottom of the liquid leakage hole, so that the liquid medicine can flow down along the inner side wall of the dropping funnel.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses when dosing, when the liquid medicine reachs for 3 bottoms of dosing pipe, the liquid medicine flows from round hole and weeping hole to flow down along the dropping funnel inner wall, prevent to produce the bubble when dripping, cause the influence to dosing, the liquid medicine flows to the dropping funnel bottom, under the effect of buoyancy, the buoyancy board takes the kinetic microfiltration membrane rebound, the liquid medicine flows down along dosing pipe, prevents to have the bubble to flow along with the liquid medicine in the administration process, causes the injury to patient's health.

(2) The utility model discloses when dosing to the patient and ending, the inside liquid medicine of dropping funnel becomes few, and when being less than the buoyancy board, the buoyancy board moves microfiltration membrane downstream, plugs up the feed pipe, and under the effect of pressure after the feed pipe is plugged up, the liquid medicine is not dropping to can not cause the phenomenon of blood return.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the external structure of an exhaust assembly of a drug delivery device for medical oncology of the present invention;

FIG. 2 is a schematic view of the internal structure of the dropping funnel of the present invention;

FIG. 3 is a schematic view of the bottom structure of the inner chamber of the dropping funnel of the present invention;

fig. 4 is a schematic view of the upper structure of the inner cavity of the dropping funnel of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. puncturing a needle; 2. an air filter; 3. an administration tube; 4. a dropping funnel; 5. a circular hole; 6. a liquid medicine regulator; 7. a luer fitting; 8. a handle; 9. an injection needle; 10. a protective cap; 11. an air outlet pipe; 12. filtering the liquid medicine by a membrane; 13. a buoyancy plate; 14. a round bar; 15. connecting sleeves; 16. a buoyancy slider; 17. a precise filtering membrane; 18. a waterproof filter membrane; 19. and (4) a liquid leakage hole.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, which may be embodied in other ways than those set forth herein, and therefore the present invention is not limited to the limitations of the specific embodiments described in the following disclosure.

The utility model provides a technical scheme: the utility model provides an equipment exhaust subassembly is dosed to medical oncology, including puncturing needle 1, puncturing needle 1 bottom lateral wall fixedly connected with air cleaner 2, puncturing needle 1 bottom is fixed to be cup jointed and has been given medicine pipe 3, and be encapsulated situation for medicine pipe 3 bottom, give medicine pipe 3 bottom lateral wall and seted up round hole 5, give medicine pipe 3 bottom fixedly connected with adapter sleeve 15, adapter sleeve 15 lower extreme fixedly connected with drip chamber 4, the circular slot has been seted up to adapter sleeve 15 lateral wall, and the circular slot runs through adapter sleeve 15 and drip chamber 4, the inside fixedly connected with outlet duct 11 of circular slot, and the 11 bottom of outlet duct extends to inside the drip chamber 4, adjust the pressure inside and outside of drip chamber 4 in carminative simultaneously, make the liquid medicine normal that doses, 11 top fixedly connected with waterproof filtration membrane 18 of outlet duct, can prevent moisture and the dust in the air from entering into drip chamber 4.

The weeping hole 19 has been seted up to the connecting sleeve 15 lower extreme, and weeping hole 19 is the L type, and weeping hole 19 bottom is the slope form, and round hole 5 and weeping hole 19 intercommunication, 4 upper portions of dropping funnel are the taper shape, and the laminating of 4 tops of dropping funnel and weeping hole 19 bottom can make the liquid medicine flow down along 4 inside walls of dropping funnel, produce the bubble when preventing the liquid medicine from dripping, cause the influence to dosing.

4 inner chamber bottoms fixedly connected with round bar 14 of drip chamber, 14 top fixedly connected with liquid medicine filtration membrane 12 of round bar, liquid medicine filtration membrane 12 be circular and with 4 inside wall fixed connection of drip chamber, buoyancy slider 16 has been cup jointed to round bar 14 bottom, 16 side wall fixedly connected with buoyancy board 13 of buoyancy slider, 13 bottom fixedly connected with microfiltration membrane 17 of buoyancy board, 3 run through 4 bottoms of drip chamber for dosing pipe, and extend to inside 4 of drip chamber, the microfiltration membrane 17 diameter ratio is big and the lamination of microfiltration membrane 17 bottom and dosing pipe 3 for 3 diameters of dosing pipe, when liquid medicine overflows buoyancy board 13, buoyancy board 13 drives buoyancy slider 16 rebound under the effect of buoyancy and leaves dosing pipe 3, the liquid medicine flows down along dosing pipe 3 and flows down

A liquid medicine regulator 6 penetrates through one end, far away from the dropping funnel 4, of the administration tube 3, a luer connector 7 is fixedly connected to one end, far away from the liquid medicine regulator 6, of the administration tube 3, the upper portion of the luer connector 7 is connected with a handle 8 through the administration tube 3, an injection needle 9 is fixedly connected to the upper portion of the handle 8, and a protective cap 10 is sleeved on the top of the handle 8.

The overall working principle is as follows: the puncture needle 1 is inserted into a medicine bottle, liquid medicine flows down along an administration tube 3, when the liquid medicine flows to the bottom of the administration tube 3, the liquid medicine flows out from a round hole 5 and a leakage hole 19 and flows down along the inner side wall of a dropping funnel 4 to prevent bubbles from generating and influence on administration, when the liquid medicine reaches a liquid medicine filtering membrane 12, the liquid medicine is filtered to prevent large-particle medicines in the liquid medicine from influencing the body of a patient, the liquid medicine reaches the bottom of the dropping funnel 4 after being filtered, as the liquid medicine increases, when the liquid medicine overflows a buoyancy plate 13, the buoyancy plate 13 moves upwards under the action of buoyancy, the liquid medicine can flow down along the administration tube 3, the liquid medicine flows through a liquid medicine regulator 6 and a luer connector 7 to reach an injection needle 9 to administer the medicine to the patient, after administration is finished, the liquid medicine in the dropping funnel 4 reduces the buoyancy plate 13 to drive a precise filtering membrane 17 to move downwards to block the administration tube 3, and stops administration under the action of pressure, preventing the blood return phenomenon caused by the administration completion of the patient.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An oncology medicine feeding equipment exhaust assembly, including a puncture needle (1), characterized in that: an air filter (2) is fixedly connected with the side wall of the bottom of the puncture needle (1), an administration tube (3) is fixedly sleeved at the bottom of the puncture needle (1), the bottom of the administration tube (3) is in a sealed state, the side wall of the bottom of the administration tube (3) is provided with a round hole (5), the bottom of the administration tube (3) is fixedly connected with a connecting sleeve (15), the lower end of the connecting sleeve (15) is fixedly connected with a dropping funnel (4), the lower end of the connecting sleeve (15) is provided with a liquid leakage hole (19), the bottom of the inner cavity of the dropping funnel (4) is fixedly connected with a round rod (14), the top of the round rod (14) is fixedly connected with a liquid medicine filtering membrane (12), the bottom of the round rod (14) is sleeved with a buoyancy sliding block (16), the side wall of the buoyancy sliding block (16) is fixedly connected with a buoyancy plate (13), and the bottom of the buoyancy plate (13) is fixedly connected with a precise filtering membrane (17).

2. An oncology medicine feeding device vent assembly according to claim 1, wherein: the circular hole (5) is communicated with the liquid leakage hole (19), the liquid leakage hole (19) is L-shaped, and the bottom of the liquid leakage hole (19) is inclined.

3. An oncology medicine feeding device vent assembly according to claim 1, wherein: the liquid medicine filtering membrane (12) is circular and is fixedly connected with the inner side wall of the dropping funnel (4).

4. An oncology medicine feeding device vent assembly according to claim 1, wherein: circular slot has been seted up to adapter sleeve (15) lateral wall, and circular slot runs through adapter sleeve (15) and drip chamber (4), inside fixedly connected with outlet duct (11) of circular slot, and outlet duct (11) bottom extend to inside the drip chamber, outlet duct (11) top fixedly connected with waterproof filtration membrane (18).

5. An oncology medicine feeding device vent assembly according to claim 1, wherein: the administration tube (3) penetrates through the bottom of the dropping funnel and extends to the inside of the dropping funnel, the diameter of the precise filtering membrane (17) is larger than that of the administration tube (3), and the bottom of the precise filtering membrane (17) is attached to the administration tube (3).

6. An oncology medicine feeding device vent assembly according to claim 1, wherein: the upper part of the dropping funnel (4) is conical, and the top of the dropping funnel (4) is attached to the bottom of the liquid leakage hole (19), so that liquid medicine can flow down along the inner side wall of the dropping funnel (4).