CN217339750U - Drainage catheter for cerebral hemorrhage - Google Patents
Drainage catheter for cerebral hemorrhage Download PDFInfo
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- CN217339750U CN217339750U CN202220838365.1U CN202220838365U CN217339750U CN 217339750 U CN217339750 U CN 217339750U CN 202220838365 U CN202220838365 U CN 202220838365U CN 217339750 U CN217339750 U CN 217339750U
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Abstract
The utility model discloses a cerebral hemorrhage drainage catheter, belonging to the technical field of medical supplies, comprising a drainage catheter body, a needle-entering branch pipe, a needle-entering end pipe, an inner rubber plug, an outer rubber plug and sealing liquid; one end of the needle inlet branch pipe is communicated with the drainage pipe body; the needle inlet end pipe is provided with a pipe hole, an inlet and an outlet, the inlet and the outlet are communicated with the pipe hole, the other end of the needle inlet end pipe is communicated with the pipe hole of the needle inlet end pipe through the outlet, and the pipe hole and the needle inlet branch pipe are coaxial; the inner rubber plug is arranged in the tube hole of the needle inlet end tube and is close to the outlet of the needle inlet end tube; the outer rubber plug is arranged in the tube hole of the needle entering end tube, the outer rubber plug is arranged close to the inlet of the needle entering end tube, and an airtight cavity positioned in the tube hole is formed between the outer rubber plug and the inner rubber plug; the sealing liquid is disposed in the airtight chamber. The needle inlet branch pipe in the drainage catheter has a flexible sealing structure, the needle can be communicated with the needle inlet branch pipe through the needle head, complete sealing in the needle head connecting process can be realized, and the drainage catheter has excellent antibacterial and infection-preventing effects.
Description
Technical Field
The utility model belongs to the technical field of medical supplies, especially, relate to a drainage catheter for cerebral hemorrhage.
Background
The drainage tube is a medical appliance for clinical surgery drainage, which guides pus, blood and liquid accumulated in human tissues or body cavities to the outside of the body, prevents postoperative infection and promotes wound healing. The clinical surgical drainage tubes have various types, some are used for catheterization, and some are used for wounds, thoracic cavities, brain cavities, gastrointestinal tracts, biliary tracts and the like. Surgical drainage is used for guiding pus, blood and liquid accumulated in human tissues or body cavities to the outside of a body so as to prevent postoperative infection and influence on wound healing. During the treatment of cerebral hemorrhage, intracranial residual liquid needs to be sucked out by using a drainage tube. At present, a drainage tube for cerebral hemorrhage treatment comprises a drainage tube body, wherein the drainage tube body is used as a main tube of the drainage tube, a branch tube communicated with the drainage tube body is arranged on the lateral part of the drainage tube body, an end cap is arranged at the end part of the branch tube, the end cap is opened, and drainage liquid can be administered or bled through the branch tube. Under the state that the end cap of branch pipe is opened, drainage tube body is inside to communicate with external environment completely, causes the infection easily in the operation process.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a solve the antibiotic of present drainage tube branch pipe in the use, prevent drainage tube for cerebral hemorrhage of the poor problem of infection effect.
The utility model is realized in such a way, the cerebral hemorrhage drainage catheter comprises a drainage catheter body, and is characterized by also comprising a needle inlet branch pipe, a needle inlet end pipe, an inner rubber plug, an outer rubber plug and sealing liquid; the needle inlet branch pipe is positioned on the side of the drainage pipe body, and one end of the needle inlet branch pipe is communicated with the drainage pipe body; the needle inlet end pipe is provided with a pipe hole, an inlet and an outlet, the inlet and the outlet are respectively positioned at two end parts of the needle inlet end pipe, the inlet and the outlet are communicated with the pipe hole, the other end of the needle inlet end pipe is communicated with the pipe hole of the needle inlet end pipe through the outlet, and the pipe hole is coaxial with the needle inlet branch pipe; the inner rubber plug is arranged in the tube hole of the needle inlet end tube and is close to the outlet of the needle inlet end tube; the outer rubber plug is arranged in a tube hole of the needle entering end tube, the outer rubber plug is arranged close to an inlet of the needle entering end tube, and an airtight cavity located in the tube hole is formed between the outer rubber plug and the inner rubber plug; the sealing liquid is disposed in the hermetic chamber.
In the above technical scheme, preferably, a liquid inlet and a liquid outlet are arranged on the side of the needle inlet end pipe, the liquid inlet and the liquid outlet are communicated with the airtight cavity of the needle inlet end pipe, and end caps are mounted on the liquid inlet and the liquid outlet.
In the above technical scheme, preferably, the lateral part of the needle entering end pipe is provided with a gas port and a liquid changing port, the gas port and the liquid changing port are communicated with the airtight cavity of the needle entering end pipe, the liquid changing port is provided with a liquid changing rubber plug, the gas port is connected with a flexible air bag, and the bag cavity of the flexible air bag is communicated with the airtight cavity through the gas port.
In the above technical solution, preferably, the needle inlet branch pipe and the drainage tube body are of an integrated structure, and an included angle between an axis of the needle inlet branch pipe and an axis of the drainage tube body is 0-45 °.
In the above technical solution, preferably, a sealed air cavity is provided inside the inner rubber plug.
In the above technical solution, preferably, an outlet aperture of the needle inlet end tube is smaller than a diameter of the tube hole, a trumpet-shaped guide ring is arranged in the airtight cavity of the needle inlet end tube, and a flare of the guide ring is opposite to the outer rubber plug.
The utility model has the advantages and effects that:
among this technical scheme, the tip of going into needle branch pipe sets into needle end pipe, goes into needle end pipe and constitutes flexible sealed structure through two plugs and by the sealing liquid between two plugs, and this flexible sealed structure can allow the steel needle of dosing or sampling usefulness to pass through, but completely isolated air compares traditional branch pipe, in this technical scheme, can guarantee absolute gas tightness completely in the branch pipe operation process to effectively avoid infecting.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural view of an inner rubber plug in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
For the antibiotic of present drainage tube branch pipe in the use, prevent infecting the poor problem of effect, the utility model particularly provides a drainage tube for cerebral hemorrhage, the income needle branch pipe among this drainage tube has flexible sealed structure, accessible syringe needle and income needle branch pipe intercommunication, and can realize the complete sealing in the syringe needle connection process, have splendid antibiotic, prevent infecting the effect. For further explanation of the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:
referring to fig. 1 and 2, a cerebral hemorrhage drainage catheter comprises a drainage tube body 1, a needle inlet branch tube 2, a needle inlet end tube 3, an inner rubber plug 4, an outer rubber plug 5 and a sealing liquid 6.
The drainage tube body is a main tube body of the drainage catheter and is used for drainage of intracranial liquid.
The needle inlet branch pipe is positioned on the side of the drainage pipe body, and one end of the needle inlet branch pipe is communicated with the drainage pipe body. The function of the needle inlet branch pipe is used for medicine administration or liquid extraction in the drainage tube. In this embodiment, the needle inlet branch pipe and the drainage tube body are of an integrated structure, an included angle between an axis of the needle inlet branch pipe and an axis of the drainage tube body is 0-45 degrees, and specifically, an included angle between an axis of the needle inlet branch pipe and an axis of the drainage tube body is 30 degrees. The angle design is favorable for the needle head to extend into the drainage tube body from the needle inlet branch tube, and the tube wall of the drainage tube body cannot be punctured.
The needle inlet end pipe is provided with a pipe hole, an inlet and an outlet. The inlet and the outlet are respectively positioned at two ends of the needle inlet end pipe, the inlet and the outlet are communicated with the pipe hole, the other end of the needle inlet end pipe is communicated with the pipe hole of the needle inlet end pipe through the outlet, and the pipe hole and the needle inlet branch pipe are coaxial. In this embodiment, the needle inlet end pipe is a plastic pipe with a cylindrical structure, and an outlet at the lower part of the plastic pipe is hermetically connected with the end part of the needle inlet branch pipe. The diameter of the outlet of the needle inlet end tube is smaller than the diameter of the tube hole.
The inner rubber plug is arranged in the tube hole of the needle inlet end tube and is close to the outlet of the needle inlet end tube; the outer rubber plug is arranged in the tube hole of the needle entering end tube, the outer rubber plug is arranged close to the inlet of the needle entering end tube, and an airtight cavity located in the tube hole is formed between the outer rubber plug and the inner rubber plug. The inner rubber plug and the outer rubber plug are butyl rubber plugs, the inner rubber plug is arranged at the bottom of the inner side of the pipe hole, and the outer rubber plug is plugged at the outer end part of the pipe hole. The sealing liquid is disposed in the airtight chamber. The sealing liquid may be a liquid having a sterilization function, and in this embodiment, the sealing liquid fills the airtight chamber.
In the embodiment, a liquid inlet 3-1 and a liquid outlet 3-2 are further arranged on the side part of the needle inlet end pipe, the liquid inlet and the liquid outlet are communicated with an airtight cavity of the needle inlet end pipe, and end caps are arranged on the liquid inlet and the liquid outlet. The liquid inlet and the liquid outlet are used for replacing or adjusting the sealing liquid in the airtight cavity.
The syringe needle inserts to going into the needle branch pipe in, need be present back through outer plug, sealing liquid and interior plug, outer plug and interior plug have fabulous isolated gaseous effect, and sealing liquid not only can completely isolated gaseous, and has the sterile effect to the syringe needle, makes the syringe needle from the external world before getting into the needle branch pipe, has carried out with this airtight disinfection in airtight chamber.
In this embodiment, a sealed air cavity is provided inside the inner rubber plug. The air cavity is designed by additionally arranging a leakage buffer cavity between the needle inlet branch pipe and the air-tight cavity, so that the liquid is effectively prevented from directly leaking into the needle inlet branch pipe. The air-tight cavity of the needle-inserting end pipe is provided with a trumpet-shaped guide ring 7, and the flaring of the guide ring is opposite to the outer rubber plug. The guide ring is used for guiding the needle head inserted into the inner rubber plug, so that the needle inserting direction is prevented from being inclined.
Example two
In this embodiment, the liquid inlet and the liquid outlet of the needle inlet end tube are improved based on the first embodiment, and other features in this embodiment are the same as those in the first embodiment except for the liquid inlet and the liquid outlet of the needle inlet end tube, which is not described herein again.
Specifically, the needle inlet end tube in this embodiment eliminates a liquid inlet and a liquid outlet, and instead, please refer to fig. 3, a gas port 3-3 and a liquid changing port 3-4 are arranged on a lateral portion of the needle inlet end tube, the gas port and the liquid changing port are communicated with an airtight cavity of the needle inlet end tube, a liquid changing rubber plug is installed at the liquid changing port, and the liquid changing rubber plug is a butyl rubber plug. The air port is connected with the flexible air bag 8, and the bag cavity of the flexible air bag is communicated with the airtight cavity through the air port. The cavity of the flexible air bag is filled with sterilized air. In this embodiment, usable syringe needle is changed through the sealing liquid of trading the liquid mouth in to airtight chamber, and the setting of flexible gasbag can guarantee that the atmospheric pressure of airtight chamber in the sealing liquid change in-process is balanced. In this embodiment, the replacement and adjustment operations of the sealing liquid can also be performed in a sealing manner, so as to further ensure the antibacterial property of the drainage catheter.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a drainage catheter for cerebral hemorrhage, includes the drainage tube body, its characterized in that still includes:
the needle inlet branch pipe is positioned on the side of the drainage pipe body, and one end of the needle inlet branch pipe is communicated with the drainage pipe body;
the needle inlet end pipe is provided with a pipe hole, an inlet and an outlet, the inlet and the outlet are respectively positioned at two end parts of the needle inlet end pipe, the inlet and the outlet are communicated with the pipe hole, the other end of the needle inlet end pipe is communicated with the pipe hole of the needle inlet end pipe through the outlet, and the pipe hole and the needle inlet branch pipe are coaxial;
the inner rubber plug is arranged in a tube hole of the needle inlet end tube and is close to an outlet of the needle inlet end tube;
the outer rubber plug is arranged in the tube hole of the needle entering end tube, the outer rubber plug is arranged close to the inlet of the needle entering end tube, and an airtight cavity located in the tube hole is formed between the outer rubber plug and the inner rubber plug;
a sealing liquid disposed in the hermetic chamber.
2. The drainage catheter for cerebral hemorrhage according to claim 1, wherein: the side part of the needle entering end pipe is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are communicated with the airtight cavity of the needle entering end pipe, and end caps are installed on the liquid inlet and the liquid outlet.
3. The drainage catheter for cerebral hemorrhage according to claim 1, wherein: the side part of the needle entering end pipe is provided with a gas port and a liquid changing port, the gas port and the liquid changing port are communicated with an airtight cavity of the needle entering end pipe, a liquid changing rubber plug is installed at the liquid changing port, the gas port is connected with a flexible air bag, and a bag cavity of the flexible air bag is communicated with the airtight cavity through the gas port.
4. The drainage catheter for cerebral hemorrhage according to claim 2 or 3, wherein: the needle inlet branch pipe and the drainage pipe body are of an integrated structure, and an included angle between the axis of the needle inlet branch pipe and the axis of the drainage pipe body is 0-45 degrees.
5. The drainage catheter for cerebral hemorrhage according to claim 4, wherein: and a sealed air cavity is arranged inside the inner rubber plug.
6. The drainage catheter for cerebral hemorrhage according to claim 5, wherein: the outlet aperture of the needle entering end pipe is smaller than the diameter of the pipe hole, a trumpet-shaped guide ring is arranged in the airtight cavity of the needle entering end pipe, and the flaring of the guide ring is opposite to the outer rubber plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220838365.1U CN217339750U (en) | 2022-04-07 | 2022-04-07 | Drainage catheter for cerebral hemorrhage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220838365.1U CN217339750U (en) | 2022-04-07 | 2022-04-07 | Drainage catheter for cerebral hemorrhage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217339750U true CN217339750U (en) | 2022-09-02 |
Family
ID=83055391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220838365.1U Active CN217339750U (en) | 2022-04-07 | 2022-04-07 | Drainage catheter for cerebral hemorrhage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217339750U (en) |
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2022
- 2022-04-07 CN CN202220838365.1U patent/CN217339750U/en active Active
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