CN113827813A - Disposable sterilizing syringe - Google Patents
Disposable sterilizing syringe Download PDFInfo
- Publication number
- CN113827813A CN113827813A CN202111206741.1A CN202111206741A CN113827813A CN 113827813 A CN113827813 A CN 113827813A CN 202111206741 A CN202111206741 A CN 202111206741A CN 113827813 A CN113827813 A CN 113827813A
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- China
- Prior art keywords
- disinfection
- disinfectant
- cap
- connector
- interface
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/001—Apparatus specially adapted for cleaning or sterilising syringes or needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/3129—Syringe barrels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/20—Targets to be treated
- A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/27—General characteristics of the apparatus preventing use
- A61M2205/273—General characteristics of the apparatus preventing use preventing reuse, e.g. of disposables
Abstract
The invention belongs to the technical field of medical equipment, and particularly relates to a disposable disinfection injector which comprises a needle tube, a push rod and a piston, wherein the push rod can be pushed and pulled from a rear end opening of the needle tube to drive the piston to slide and seal along the inner wall of the needle tube, the front end of the needle tube is provided with a conical head, the outer ring of the conical head is provided with a joint part, the joint part is used for connecting a luer connector, the luer connector is connected with a disinfection cap through a connecting body, a containing cavity is arranged in the connecting body, the disinfection cap is arranged in the containing cavity, the disinfection cap is of an internal hollow structure with an opening at the upper end, a disinfection body is arranged in the disinfection cap, when the disinfection body is extruded, a disinfectant stored in a disinfection body hole can be released out of the disinfection body, and the situation that certain areas can be missed or the threaded area of a vein connector can not be cleaned effectively due to inconsistent operation of medical staff is reduced, ensuring the effectiveness of cleaning the threaded region of the hub or the flat surface of the spacer.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a disposable disinfection syringe.
Background
Catheter-associated bloodstream infections (CRBSIs) are caused by intravascular catheter microorganisms, are one of the most common ICU-associated infections, are one of the leading causes of death in critically ill patients clinically, and also greatly increase the cost of medical care.
The 70% isopropyl alcohol pad wiping method used by medical practitioners typically involves the application of a disinfectant to the surface of the venous junction. Current alcohol pads are not designed for cleaning and disinfecting needleless infusion ports. Proper cleaning procedures require proper cleaning and sterilization of the septum and proximal threaded portion of the needleless iv administration interface to ensure elimination of microorganisms in future use. However, these methods are inevitably inconsistent because medical personnel may inadvertently miss certain areas or fail to effectively clean the threaded area of the intravenous connector. Medical personnel often do not consistently operate, resulting in the possibility of inadvertently missing certain areas or failing to effectively clean the threaded area of the interface or the plane of the septum.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a disposable disinfection syringe which has the advantages of simple structure and convenient use and solves the problems mentioned in the background technology.
The invention provides the following technical scheme: a disposable disinfection syringe comprises a needle tube, wherein a push rod is arranged in the needle tube, a piston is arranged at the front end of the push rod, the push rod can be pushed and pulled from an opening at the rear end of the needle tube to drive the piston to slide along the inner wall of the needle tube and be sealed, a conical head communicated with an inner cavity of the needle tube is arranged at the front end of the needle tube, a joint part is arranged on the outer ring of the conical head and is used for being connected with a luer connector, the luer connector is connected with a disinfection cap through a connector, a containing cavity is arranged in the connector, the disinfection cap is arranged in the containing cavity and is of an internal hollow structure with an opening at the upper end, a disinfection body is arranged in the disinfection cap, and when the disinfection body is extruded, a disinfectant stored in a disinfection body hole can be released out of the disinfection body.
The disinfection body comprises a central disinfection body positioned in the center of the bottom surface of the disinfection cap and an annular disinfection body connected with the inner cavity of the disinfection cap, the central disinfection body is used for disinfecting the plane of the infusion interface spacer and the inner surface of the interface thread area of the infusion interface, and the annular disinfection body is used for disinfecting the external threads of the interface thread area of the infusion interface.
The upper surface of the annular disinfectant body is higher than the upper surface of the central disinfectant body, the disinfectant body is made of an absorbent material, particles do not fall off in the friction process, the disinfectant can be absorbed and stored in the holes of the disinfectant body, and the disinfectant body has elasticity.
The upper end opening part of disinfection block is equipped with solid fixed ring, and the infusion interface extends to when disinfecting in the disinfection block, gu fixed ring guarantees institute the environmental seal in the disinfection block.
The infusion interface extends into the disinfection cover cap, when the top end of the interface thread area of the infusion interface is abutted to the bottom surface of the disinfection cover cap, the top end of the central disinfection body is abutted to the plane of the infusion interface spacer, and the inner ring side surface of the annular disinfection body is tightly extruded in the interface thread area.
The utility model discloses a disinfection block, including disinfection block, bracing piece, central disinfection body, bracing piece, the center of a circle department of disinfection block is equipped with the bracing piece, the bracing piece is polygonized structure, central disinfection body passes through the bracing piece with disinfection block fixed connection, the bottom of central disinfection body is equipped with hollow structure's connection chamber, the shape of connection chamber with the shape phase-match of bracing piece, connect chamber horizontal cross section size and be less than or equal to the bracing piece, when rotatory during the use during disinfection block, central disinfection body with relative rotation in a circumferential direction can not take place for the bracing piece.
The bottom surface centre of a circle department of disinfection block is equipped with the first arch of polygon, the lower extreme of bracing piece is equipped with first fixed chamber, first fixed chamber with first protruding shape phase-match, first fixed chamber with first protruding interference fit.
The side surface of the upper end of the annular disinfectant body of the disinfection cover cap is provided with a groove, the groove penetrates through the inner surface and the outer surface of the annular disinfectant body, part of disinfectant released by the extruded disinfectant body enters a liquid storage space formed by the groove and the inner side surface of the disinfection cover cap, and when a threaded area of the infusion connector rotates to the liquid storage space, threads of the threaded area are in full contact with the disinfectant.
The disinfection cover cap is sealed in the connecting body through a sealing piece, anti-skid lines are arranged on the periphery of the connecting body, mutually matched limiting parts are arranged on the surface of the inner cavity of the connecting body and the outer side surface of the disinfection cover cap, and the limiting parts are used for limiting the connecting body and the disinfection cover cap to rotate circumferentially and oppositely.
The sealing element is circular, the lower surface of the top cover of the sealing element is a protrusion with an inward concave middle part, a sealing convex strip made of flexible materials is arranged at the opening of the connector, the protrusion with the inward concave middle part of the sealing element is in interference fit with the sealing convex strip for sealing, and the diameter of the top surface of the sealing body is larger than or equal to that of the opening of the connector.
Compared with the prior art, the invention has the following beneficial effects:
1. the disposable disinfection syringe combines the syringe used for flushing and sealing the tube and the disinfection cover cap into an integral structure, and is convenient to use.
2. The disposable disinfection syringe reduces the possibility that certain areas can be omitted accidentally or the threaded area of the venous connector cannot be cleaned effectively due to inconsistent operation of medical staff, disinfectant is absorbed in the existing disinfection cap sponge, the effect of the whole sponge on disinfection of the infusion interface cannot be guaranteed, and the disposable disinfection syringe can guarantee the effectiveness of cleaning the threaded area of the hub or the plane of the spacer because the spacer and the threaded area of the infusion interface are not specially and roughly wiped.
3. According to the disposable disinfection syringe, the disinfection cap can be kept at the free end of the infusion port, so that the infection incidence is effectively reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment 1 of the present invention;
FIG. 2 is a schematic view of a structure of a linker in embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view of a disinfecting cap according to embodiment 1 of the present invention;
FIG. 4 is a cross-sectional view of a disinfecting cap according to embodiment 2 of the present invention;
FIG. 5 is a cross-sectional view of a disinfecting cap according to embodiment 3 of the present invention;
FIG. 6 is a schematic view of a ring-shaped disinfectant according to an embodiment of the present invention 4;
FIG. 7 is a cross-sectional view of a connecting body according to embodiment 5 of the present invention.
In the figure: 1. a needle tube; 2. a push rod; 3. a piston; 4. a conical head; 5. a joint portion; 6. a luer fitting; 7. a linker; 8. a seal member; 9. sterilizing the cap; 10. a first rib; 11. a second rib; 12. a fixing ring; 13. a disinfectant body; 14. a central disinfectant body; 15. an annular disinfectant body; 16. a support bar; 18. a first protrusion; 19. a first fixed cavity; 20. a groove; 21. an anti-overflow cavity; 22. sealing the ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the disposable disinfection syringe comprises a needle tube 1, a push rod 2 is arranged in the needle tube 1, a piston 3 is arranged at the front end of the push rod 2, the push rod 2 can be pushed and pulled from the rear end opening of the needle tube 1 to drive the piston 3 to slide and seal along the inner wall of the needle tube 1, a cone head 4 communicated with the inner cavity of the needle tube 1 is arranged at the front end of the needle tube 1, a joint part 5 is arranged on the outer ring of the cone head 4, the joint part 5 is used for connecting a luer connector 6, an inner cavity of a connector 7 is provided with an inner thread matched with the outer thread of the luer connector 6, the luer connector 6 is connected with a disinfection cap 9 through a connector 7, anti-slip threads are arranged on the circumference of the connector 7, and mutually matched limiting parts are arranged on the surface of the inner cavity of the connector 7 and the outer side surface of the disinfection cap 9 to prevent the syringe from being used, the connector 7 and the disinfection cap 9 are displaced in the circumferential direction, for example, in a first mode, the inner cavity of the connector 7 is provided with a first rib 10, the outer side surface of the disinfection cap 9 is provided with a second rib 11 which is staggered correspondingly, or in a second mode, the inner cavity of the connector 7 is provided with a limiting groove, the second rib 11 of the disinfection cap 9 is correspondingly arranged in the limiting groove, the former limiting mode is selected in the embodiment, a containing cavity is arranged in the connector 7, the second rib is arranged in the containing cavity, the disinfection cap 9 is sealed in the connector 7 through a sealing element 8, the sealing mode is not limited, tin foil paper or aluminum foil paper can be sealed with the opening of the connector 7 through a heat sealing mode, the disinfection cap 9 is a hollow cylinder with an open upper end, and the open upper end of the disinfection cap 9 is provided with a fixing ring 12, when the infusion connector is matched with the infusion connector in use to ensure a sealed environment in the disinfection cap 9, a disinfection body 13 is arranged in the disinfection cap 9, the disinfection body 13 is made of an absorbent material, does not fall off particles during friction, can absorb disinfectant and store the disinfectant in a hole of the disinfection body 13, has elasticity, such as polyurethane sponge with proper hardness, and can realize the function of the disinfection body 13, when the disinfectant stored in the hole of the disinfection body 13 is squeezed, the disinfectant can be 70% isopropyl alcohol, the disinfectant can be replaced by any other approved disinfectant or medical disinfectant combination according to the use purpose, the exterior of the infusion connector comprises a topmost interface threaded area and an interface rib area between the interface threaded area and the infusion pipeline, the diameter of the upper rib area is larger than that of the lower threaded area, still include the spacer in the interface screw district, the disinfection requirement is the plane and the periphery of disinfection interface screw district and spacer, disinfectant 13 is including being located the central disinfectant 14 of disinfection block 9 bottom surface centre of a circle and with the annular disinfectant 15 that disinfection block 9 inner chamber is connected, central disinfectant 14 is used for disinfecting the plane of spacer and the internal surface in interface screw district, the top surface of central disinfectant 14 is the plane, annular disinfectant 15 is used for disinfecting the external screw thread in interface screw district, for reaching better amount disinfection effect, the upper surface of annular disinfectant 15 is higher than the upper surface of central disinfectant 14, the upper surface of annular disinfectant 15 leaves apart from the opening of disinfection block 9 a cavity is anti-overflow chamber 21, holds the unnecessary antiseptic solution that disinfectant 13 released, guarantees the sealed effect of solid fixed ring 12, the disinfection cap 9 is prevented from being extruded by disinfectant, the inner ring side surface of the annular disinfection body 15 can be a plane or uneven surface, such as a surface with wave points or thread shapes, preferably double thread shapes, the double thread shapes are matched with the external threads of the interface thread area of the infusion interface, the external threads of the interface thread area can be clamped between the double threads, the side edges of the external threads of the interface thread area can be disinfected by the double threads, the middle connection part of the double threads can disinfect the outer edges of the external threads of the interface thread area, the double thread or wave point shapes are not embodied in the attached figures, the disinfection body 13 is made of elastic materials, so when the infusion interface rotates to enter the disinfection cap 9, the disinfection body 13 can be elastically deformed due to extrusion, the annular disinfection body 15 can be tightly wrapped by the infusion interface due to the outward extrusion force of the infusion interface, the central disinfectant body 14 is pressed inwards by the infusion interface, the central disinfectant body 14 can generate a force for restoring elastic deformation to the periphery, namely, the central disinfectant body 14 can tightly abut against the inner surface of the threaded area and the plane of the diaphragm due to the pressing force, when the disinfection cap 9 is rotated, the central disinfectant body 14 and the annular disinfectant body 15 are fixed with the inner cavity of the disinfection cap 9, the positions of the central disinfectant body and the annular disinfectant body cannot be changed, and the purpose of disinfecting the infusion interface can be achieved under the action of friction force.
When the disinfection device is used, after a medical worker finishes washing or tube sealing operation by using a syringe, the connector 7 is screwed down from the syringe, the sealing aluminum foil paper at the opening of the connector 7 is torn off, the periphery of the connector 7 is pinched by one hand, the center of an infusion interface is aligned with the central rear knob of the disinfection cap 9, the infusion interface extends into the disinfection cap 9, when the top end of the interface thread area of the infusion interface is abutted to the bottom surface of the disinfection cap 9, the top end of the central disinfectant 14 is abutted to the plane of the infusion interface spacer, the inner ring side surface of the annular disinfectant 15 is tightly extruded in the interface thread area to meet the disinfection purpose, the fixing ring 12 at the opening at the upper end of the disinfection cap 9 is matched with the infusion interface to ensure the sealing environment in the disinfection cap 9, the disinfection cap 9 can be continuously kept on the infusion interface after disinfection, and the connector 7 is separated.
Specific example 2: as shown in fig. 4, the disposable disinfection syringe differs from the embodiment 1 in that a support rod 16 is arranged at the center of the bottom of the disinfection cap 9, the support rod 16 is a polygonal structure, such as a triangle, a quadrangle, etc., the central disinfection body 14 is fixedly connected with the disinfection cap 9 through the support rod 16, the bottom of the central disinfection body 14 is provided with a hollow connecting cavity, the shape of the connecting cavity matches with the shape of the support rod 16, in order to ensure the fixing effect of the support rod 16, the horizontal cross-sectional dimension of the connecting cavity needs to be smaller than or equal to the support rod 16, since the central disinfection body 14 is an elastic body, even if the cross-sectional dimension is slightly smaller than the support rod 16, the connecting cavity can also connect the central disinfection body 14 and the support rod 16 when the disinfection cap 9 is rotated during use, ensuring the disinfection effect.
Specific example 3: as shown in fig. 5, the disposable disinfection syringe differs from the embodiment 1 in that the connection between the support rod 16 and the disinfection cap 9 is improved, a polygonal first protrusion 18 is disposed at the center of the bottom surface of the disinfection cap 9, a first fixing cavity 19 is disposed at the lower end of the support rod 16, the first fixing cavity 19 matches with the first protrusion 18 in shape, for example, the first protrusion 18 is a triangle, the first fixing cavity 19 is also a triangle cavity, the first protrusion 18 is a quadrilateral, the first fixing cavity 19 is also a quadrilateral cavity, and other situations are not repeated, and the first fixing cavity 19 is in interference fit with the first protrusion 18.
Specific example 4: as shown in fig. 6, the disposable disinfection syringe differs from the specific embodiment 1 in that a groove 20 is formed on the upper end side surface of an annular disinfection body 15 of a disinfection cap 9, the outer side wall of the annular disinfection body 15 abuts against the inner side wall of the disinfection cap 9, the groove 20 penetrates through the inner surface and the outer surface of the annular disinfection body 15, part of disinfection solution released by the squeezed disinfection body 13 enters a space formed by the groove 20 and the inner side surface of the disinfection cap 9, threads of a threaded area of an infusion port are simultaneously and fully contacted with the disinfection solution, and as the infusion port enters the disinfection cap 9, part of disinfection solution stored in the disinfection body 13 is released by the infusion port squeezing the annular disinfection body 15 and the central disinfection body 14, enters a liquid storage space formed by the groove 20 of the annular disinfection body 15 and the inner surface of the disinfection cap 9, when the screw thread district of infusion interface rotated to the liquid storage space, screw thread district screw thread fully contacted antiseptic solution, and when continuing the knob, the screw thread district screw thread of fully contacting antiseptic solution continues again by annular disinfectant 15 friction disinfection, and when this kind of improvement had guaranteed the plane disinfection of infusion interface spacer, the screw thread disinfection effect in screw thread district had been strengthened.
Specific example 5: as shown in fig. 7, the disposable disinfection syringe differs from embodiment 1 in that the disinfection cap 9 is sealed in the connector 7 by a sealing body, the sealing manner is different from embodiment 1, the sealing member 8 is circular, the lower surface of the top cover of the sealing member 8 is a protrusion with a concave middle part, a sealing protrusion 22 made of a flexible material such as rubber is disposed at an opening of the connector 7, sealing is performed by interference fit between the concave protrusion of the sealing member 8 and the sealing protrusion 22, and the diameter of the top surface of the sealing member 8 is greater than or equal to the opening of the connector 7.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Disposable disinfection syringe, its characterized in that: the needle tube is internally provided with a push rod, the front end of the push rod is provided with a piston, the push rod can be pushed and pulled from an opening at the rear end of the needle tube to drive the piston to slide along the inner wall of the needle tube and be sealed, the front end of the needle tube is provided with a conical head communicated with an inner cavity of the needle tube, the outer ring of the conical head is provided with a joint part, the joint part is used for connecting a luer connector, the luer connector is connected with a disinfection cap through a connector, a containing cavity is arranged in the connector, the disinfection cap is arranged in the containing cavity and is of an internal hollow structure with an opening at the upper end, a disinfection body is arranged in the disinfection cap, and when the disinfection body is extruded, a disinfectant stored in a disinfection body hole can be released out of the disinfection body.
2. A single use sterile syringe according to claim 1 wherein: the disinfection body comprises a central disinfection body positioned in the center of the bottom surface of the disinfection cap and an annular disinfection body connected with the inner cavity of the disinfection cap, the central disinfection body is used for disinfecting the plane of the infusion interface spacer and the inner surface of the interface thread area of the infusion interface, and the annular disinfection body is used for disinfecting the external threads of the interface thread area of the infusion interface.
3. A single use sterile syringe as claimed in claim 2 wherein: the upper surface of the annular disinfectant body is higher than the upper surface of the central disinfectant body, the disinfectant body is made of an absorbent material, particles do not fall off in the friction process, the disinfectant can be absorbed and stored in the holes of the disinfectant body, and the disinfectant body has elasticity.
4. A single use sterile syringe according to claim 3 wherein: the upper end opening part of disinfection block is equipped with solid fixed ring, and the infusion interface extends to when disinfecting in the disinfection block, gu fixed ring guarantees institute the environmental seal in the disinfection block.
5. The single use sterile syringe of claim 4 wherein: the infusion interface extends into the disinfection cover cap, when the top end of the interface thread area of the infusion interface is abutted to the bottom surface of the disinfection cover cap, the top end of the central disinfection body is abutted to the plane of the infusion interface spacer, and the inner ring side surface of the annular disinfection body is tightly extruded in the interface thread area.
6. A single use sterile syringe according to claim 5 wherein: the utility model discloses a disinfection block, including disinfection block, bracing piece, central disinfection body, bracing piece, the center of a circle department of disinfection block is equipped with the bracing piece, the bracing piece is polygonized structure, central disinfection body passes through the bracing piece with disinfection block fixed connection, the bottom of central disinfection body is equipped with hollow structure's connection chamber, the shape of connection chamber with the shape phase-match of bracing piece, connect chamber horizontal cross section size and be less than or equal to the bracing piece, when rotatory during the use during disinfection block, central disinfection body with relative rotation in a circumferential direction can not take place for the bracing piece.
7. A single use sterile syringe according to claim 6 wherein: the bottom surface centre of a circle department of disinfection block is equipped with the first arch of polygon, the lower extreme of bracing piece is equipped with first fixed chamber, first fixed chamber with first protruding shape phase-match, first fixed chamber with first protruding interference fit.
8. A single use sterile syringe according to claim 6 wherein: the side surface of the upper end of the annular disinfectant body of the disinfection cover cap is provided with a groove, the groove penetrates through the inner surface and the outer surface of the annular disinfectant body, part of disinfectant released by the extruded disinfectant body enters a liquid storage space formed by the groove and the inner side surface of the disinfection cover cap, and when a threaded area of the infusion connector rotates to the liquid storage space, threads of the threaded area are in full contact with the disinfectant.
9. A single use sterile syringe according to any of claims 1 to 8, characterized in that: the disinfection cover cap is sealed in the connecting body through a sealing piece, anti-skid lines are arranged on the periphery of the connecting body, mutually matched limiting parts are arranged on the surface of the inner cavity of the connecting body and the outer side surface of the disinfection cover cap, and the limiting parts are used for limiting the connecting body and the disinfection cover cap to rotate circumferentially and oppositely.
10. A single use sterile syringe according to claim 9 wherein: the sealing element is circular, the lower surface of the top cover of the sealing element is a protrusion with an inward concave middle part, a sealing convex strip made of flexible materials is arranged at the opening of the connector, the protrusion with the inward concave middle part of the sealing element is in interference fit with the sealing convex strip for sealing, and the diameter of the top surface of the sealing body is larger than or equal to that of the opening of the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206741.1A CN113827813A (en) | 2021-10-15 | 2021-10-15 | Disposable sterilizing syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206741.1A CN113827813A (en) | 2021-10-15 | 2021-10-15 | Disposable sterilizing syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113827813A true CN113827813A (en) | 2021-12-24 |
Family
ID=78965182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111206741.1A Pending CN113827813A (en) | 2021-10-15 | 2021-10-15 | Disposable sterilizing syringe |
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Citations (7)
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| CN104084402A (en) * | 2014-07-04 | 2014-10-08 | 山东威高集团医用高分子制品股份有限公司 | Speedy injector |
| CN106421848A (en) * | 2016-10-14 | 2017-02-22 | 刘浩浩 | Disposable needleless infusion connector disinfection device |
| CN206045146U (en) * | 2016-06-13 | 2017-03-29 | 广东百合医疗科技股份有限公司 | A kind of pre-filled catheter flusher of locking block with sterilized absorbent cotton |
| US20170143447A1 (en) * | 2007-02-12 | 2017-05-25 | 3M Innovative Properties Company | Female luer connector disinfecting cap |
| CN107823791A (en) * | 2017-11-22 | 2018-03-23 | 湖南三瑞生物科技有限责任公司 | Disposable sterilization infusion connector |
| CN208436215U (en) * | 2017-12-05 | 2019-01-29 | 哈尔滨医科大学 | A kind of the pre- of no-needle transfusion connector rushes formula catheter flusher |
| CN211884772U (en) * | 2019-12-16 | 2020-11-10 | 首都医科大学附属北京儿童医院 | Transfusion system connector protective cap |
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2021
- 2021-10-15 CN CN202111206741.1A patent/CN113827813A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170143447A1 (en) * | 2007-02-12 | 2017-05-25 | 3M Innovative Properties Company | Female luer connector disinfecting cap |
| CN104084402A (en) * | 2014-07-04 | 2014-10-08 | 山东威高集团医用高分子制品股份有限公司 | Speedy injector |
| CN206045146U (en) * | 2016-06-13 | 2017-03-29 | 广东百合医疗科技股份有限公司 | A kind of pre-filled catheter flusher of locking block with sterilized absorbent cotton |
| CN106421848A (en) * | 2016-10-14 | 2017-02-22 | 刘浩浩 | Disposable needleless infusion connector disinfection device |
| CN107823791A (en) * | 2017-11-22 | 2018-03-23 | 湖南三瑞生物科技有限责任公司 | Disposable sterilization infusion connector |
| CN208436215U (en) * | 2017-12-05 | 2019-01-29 | 哈尔滨医科大学 | A kind of the pre- of no-needle transfusion connector rushes formula catheter flusher |
| CN211884772U (en) * | 2019-12-16 | 2020-11-10 | 首都医科大学附属北京儿童医院 | Transfusion system connector protective cap |
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