CN113769256A - Closable male luer needleless medical connector - Google Patents
Closable male luer needleless medical connector Download PDFInfo
- Publication number
- CN113769256A CN113769256A CN202111042002.3A CN202111042002A CN113769256A CN 113769256 A CN113769256 A CN 113769256A CN 202111042002 A CN202111042002 A CN 202111042002A CN 113769256 A CN113769256 A CN 113769256A
- Authority
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- China
- Prior art keywords
- shell
- sealing
- sealing element
- sealing ring
- inner cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000007789 sealing Methods 0.000 claims abstract description 101
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000001647 drug administration Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000036512 infertility Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/1011—Locking means for securing connection; Additional tamper safeties
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M2039/1038—Union screw connectors, e.g. hollow screw or sleeve having external threads
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M2039/1066—Tube connectors; Tube couplings having protection means, e.g. sliding sleeve to protect connector itself, shrouds to protect a needle present in the connector, protective housing, isolating sheath
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a closable male luer needleless medical connector, which comprises a shell, and a female luer connector, a sealing element, a liquid stopping pressing block and a sealing ring which are arranged in the shell and are sequentially connected; one end of the female luer connector is arranged outside the tail end of the shell, the other end of the female luer connector is arranged in the shell and is in fit connection with the sealing element, the other end, opposite to the female luer connector, of the sealing element is connected with the liquid stopping pressing block, the other end, opposite to the sealing element, of the liquid stopping pressing block is in fit connection with the shell, and the sealing ring is sleeved on the liquid stopping pressing block. According to the invention, the liquid stopping pressure block and the shell are in sealing fit when not being jointed with other products, so that liquid cannot overflow, the problem of leakage caused by dripping is reduced or eliminated, and the blocking performance of a liquid conveying system to bacteria and other debris is improved; when the device is jointed with other products, the liquid stopping pressure block and the shell are released from the sealing state to form a passage, and the device can be transported to a ward together with an injector, so that the drug administration has a protection effect.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a closable male luer needleless medical connector.
Background
The male luer needleless connector is commonly used for a pharmacy of a hospital, when a nurse dispenses, the male luer is connected to a syringe in a needleless mode, then the male luer is connected to a medicine bottle or a medicine bag, medicine liquid is extracted, a closed environment is formed, and in order to keep bacteria, debris and liquid leakage and avoid pollution of medicines; meanwhile, the use of a needle for extracting the medicine is avoided. There are certain risks associated with the use of needles, such as the risk of a nurse pricking, the risk of a needle pricking, the risk of particulate matter being generated, sterility and fluid leakage problems.
Since male luer connectors typically do not automatically close after filling, male luer connectors often drip off small amounts of liquid when the male connector is quickly moved into engagement with the female connector, requiring a closeable male luer connector.
Disclosure of Invention
The invention aims to provide a closable male luer needleless medical connector, which is used for solving the problem that a male luer connector is leaked and cannot be closed.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a closeable male luer needleless medical connector comprises a shell, and a female luer connector, a sealing element, a liquid stopping pressing block and a sealing ring which are arranged in the shell and are sequentially connected; one end of the female luer connector is arranged outside the tail end of the shell, the other end of the female luer connector is arranged in the shell and is in matched connection with the sealing element, the other end of the sealing element, opposite to the female luer connector, is connected with the liquid stopping pressure block, the other end of the liquid stopping pressure block, opposite to the sealing element, is in matched connection with the shell, and the sealing ring is sleeved on the liquid stopping pressure block;
the female luer connector is provided with a threaded column, a sealing ring and a first annular groove which are coaxial and integrally connected; the sealing ring is connected with the circumferential edge of the tail end of the shell in a sealing mode, the threaded column is arranged on the sealing ring and is opposite to the outside of the tail end of the shell, and the first annular groove is arranged at the other end, opposite to the threaded column, of the sealing ring and is connected with the sealing element in a matched mode;
the liquid stopping pressure block is provided with a second annular groove, a communicating vessel and a pressure plate which are coaxially and integrally connected; the second ring groove is connected with the sealing ring in a matching way, the communicating vessel is arranged in the center of the other end face of the second ring groove opposite to the sealing ring, and the pressing plates are symmetrically arranged on two sides of the communicating vessel; the sealing ring is sleeved on the communicating vessel;
the shell is provided with a main shell part, a threaded part and a connecting part which are coaxially and integrally connected; the utility model discloses a hydraulic pressure pump, including main shell portion, connecting portion, screw thread portion, connecting portion, communicating vessel, threaded portion, connecting portion, the end of main shell portion with female luer articulate and inside are provided with sealing member and end liquid briquetting, screw thread portion sets up main shell portion is kept away from female luer joint one end and is set up with main shell portion ladder, connecting portion set up screw thread portion inner center, one end extend to in the main shell portion, the other end stretches out to outside the screw thread portion, the connecting portion cover is established outside the communicating vessel and with the communicating vessel is in screw thread portion external seal cooperation, both ends are provided with the clamp plate.
Preferably, the threaded column is hollow inside, the outer surface of the threaded column is provided with external threads, and a connecting strip is uniformly arranged at the joint of the threaded column and the sealing ring.
Preferably, the first ring groove comprises a first inner cylinder and a first outer cylinder; the sealing element is characterized in that the first inner cylinder is coaxially arranged in the first outer cylinder, the first inner cylinder is of a hollow structure with certain thickness, two ends of the first inner cylinder penetrate through the first inner cylinder, the first outer cylinder is of a hollow structure with certain thickness and is far away from an end face opening of the tail end of the main shell, and the sealing element is embedded between the first outer cylinder and the first inner cylinder from one end face of the opening of the first outer cylinder.
Preferably, the end surface of the sealing ring connected with the main shell extends outwards to form a bayonet; the bayonet is arranged in the main shell part and limits the connection between the main shell part and the sealing ring in the circumferential direction.
Preferably, the two ends of the sealing element are hollow cylindrical structures with certain thicknesses, and a plurality of elastic limiting threads are arranged in the middle section of the sealing element.
Preferably, the other end of the pressure plate, which is opposite to the communicating vessel, is provided with a supporting block, and the supporting block is connected with the second annular groove; the supporting block, the pressing plate and the second ring groove are arranged at a right angle.
Preferably, the first ring groove comprises a second inner cylinder and a second outer cylinder; the second inner cylinder is coaxially arranged in the second outer cylinder, the second inner cylinder is of a hollow structure with certain thickness, two ends of the second inner cylinder penetrate through the second outer cylinder, the second outer cylinder is of a hollow structure with certain thickness and is arranged close to an end face opening of the tail end of the main shell, and the sealing element is embedded between the second outer cylinder and the second inner cylinder from one end face of the opening of the second outer cylinder.
Preferably, the communicating vessel is of a tapered hollow cylindrical structure, one end face of the communicating vessel close to the top end of the main shell is arranged in a sealing mode, and the other end face of the communicating vessel is arranged in an opening mode and is in through connection with the second annular groove;
and through holes are symmetrically formed in the side surface of one end face of the communicating vessel, which is in sealing fit with the connecting part.
Preferably, the outer surface of the main shell part is in a circular truncated cone shape, and a plurality of reinforcing ribs are axially and uniformly arranged on the outer surface;
the threaded portion is provided with an internal thread.
Preferably, the connecting part is in a structure of connecting a hollow cylinder and a hollow cone in a stepped manner, and the diameter of the hollow cone is smaller than that of the hollow cylinder.
The invention has the following beneficial effects: .
1. According to the invention, the liquid stopping pressure block and the shell are in sealing fit when not being connected with other products, so that liquid cannot overflow, a self-closing function is realized, the problem of leakage caused by dripping is reduced or eliminated, and the blocking performance of a liquid conveying system to bacteria and other debris is improved;
2. when the device is jointed with other products, the liquid stop pressing block and the shell are released from the sealing state through the elastic function of the sealing piece to form a passage which can be transported together with the injector and transferred to a ward, and the drug administration plays a role in protecting.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
fig. 4 is a cross-sectional view of a female luer fitting of the present invention;
FIG. 5 is a cross-sectional view of a seal member of the present invention;
FIG. 6 is a cross-sectional view of a liquid stop block of the present invention;
FIG. 7 is a cross-sectional view of the housing of the present invention;
FIG. 8 is a schematic view of a fluid pathway structure according to the present invention;
the notation in the figures means: 1-a shell; 2-sealing ring; 3-stopping liquid and briquetting; 4-a seal; 5-female luer fitting; 6-a threaded post; 7-a sealing ring; 8-a first ring groove; 9-a second ring groove; 10-a linker; 11-a platen; 12-a main housing portion; 13-a threaded portion; 14-a connecting portion; 15-external thread; 16-a first inner cylinder; 17-a first outer cylinder; 18-sticking; 19-elastic limit threads; 20-a support block; 21-a second inner cylinder; 22-a second outer cylinder; 23-a through hole; 24-reinforcing ribs; 25-internal threads; 26-connecting strips.
Detailed Description
The technical solution of the present invention is further described below with reference to the following embodiments and the accompanying drawings.
Example 1
The embodiment provides a closable male luer needleless medical connector, which comprises a shell 1, and a female luer connector 5, a sealing element 4, a liquid stopping pressure block 3 and a sealing ring 2 which are arranged in the shell 1 and are sequentially connected; one end of a female luer connector 5 is arranged outside the tail end of the shell 1, the other end of the female luer connector 5 is arranged in the shell 1 and is in matched connection with a sealing element 4, the other end of the sealing element 4, opposite to the female luer connector 5, is connected with a liquid stopping pressure block 3, the other end of the liquid stopping pressure block 3, opposite to the sealing element 4, is in matched connection with the shell 1, and a sealing ring 2 is sleeved on the liquid stopping pressure block 3;
the female luer joint 5 is provided with a threaded column 6, a sealing ring 7 and a first annular groove 8 which are coaxially and integrally connected; the sealing ring 7 is connected with the circumference of the tail end of the shell 1 in a sealing way, the threaded column 6 is arranged on the sealing ring 7 and is opposite to the outside of the tail end of the shell 1, and the first ring groove 8 is arranged on the other end of the sealing ring 7 opposite to the threaded column 6 and is matched and connected with the sealing element 4;
the liquid stopping pressure block 3 is provided with a second annular groove 9, a communicating vessel 10 and a pressure plate 11 which are coaxially and integrally connected; the second annular groove 9 is matched and connected with the sealing ring 7, the communicating vessel 10 is arranged in the center of the other end face of the second annular groove 9 opposite to the sealing ring 7, and the pressing plates 11 are symmetrically arranged on two sides of the communicating vessel 10; the sealing ring 2 is sleeved on the communicating vessel 10;
the shell 1 is provided with a main shell part 12, a thread part 13 and a connecting part 14 which are coaxially and integrally connected; the tail end of the main shell part 12 is connected with the female luer connector 5, a sealing element 4 and a liquid stopping pressure block 3 are arranged inside the main shell part 12, the threaded part 13 is arranged at one end, away from the female luer connector 5, of the main shell part 12 and is arranged in a stepped mode with the main shell part 12, the connecting part 14 is arranged in the inner center of the threaded part 13, one end of the connecting part extends into the main shell part 12, the other end of the connecting part extends out of the threaded part 13, the connecting part 14 is sleeved outside the communicating vessel 10 and is in sealing fit with the communicating vessel 10 outside the threaded part 13, and pressure plates 11 are arranged at two ends of the connecting part.
Aiming at the problems of sterility and liquid leakage of a male luer connector in the prior art, the invention discloses a liquid stopping pressure block 3, wherein one end of the liquid stopping pressure block 3 and a sealing element 4 form a closed channel through a second annular groove 9 to be connected to one end of a female luer connector 5, the other end of the liquid stopping pressure block extends out of a threaded part 13 and is in closed fit with a connecting part 14, the connecting part 14 and a communicating vessel 10 are always in a closed state before the threaded part 13 is not connected with other products, and a closed passage can be formed in the invention after the female luer connector 5 is connected to an injection needle, so that the liquid medicine is prevented from leaking, the medicine is protected, and a sterile environment is provided.
In a further embodiment of the present embodiment, the threaded column 6 is hollow, the external surface of the threaded column 6 is provided with an external thread 15, and the external thread 15 is convenient for connecting with other male luer needleless medical connectors or other products, and is a standard connector; four connecting strips 26 are uniformly arranged at the joints of the threaded columns 6 and the sealing rings 7, and the connecting strips 26 strengthen the connection between the threaded columns 6 and the sealing rings 7.
In a further embodiment of this embodiment, the first ring groove 8 comprises a first inner cylinder 16 and a first outer cylinder 17; the first inner cylinder 16 is coaxially arranged in the first outer cylinder 17, the first inner cylinder 16 penetrates through the first outer cylinder 17 for having a hollow structure with a certain thickness, the first outer cylinder 17 is arranged for having a hollow structure with a certain thickness and being far away from an end face opening at the tail end of the main shell part 12, and the sealing element 4 is embedded between the first outer cylinder 17 and the first inner cylinder 16 from one end face of the opening of the first outer cylinder 17, so that the sealing element 4 is sealed with two ends of the first ring groove 8, and a passage is formed inside the sealing element.
In a further embodiment of the present embodiment, the end face of the sealing ring 7 connected with the main shell part 12 extends outwards to form a bayonet 18; the bayonet 18 is arranged in the main shell part 12, and limits the connection between the main shell part 12 and the sealing ring 7 in the circumferential direction, so that the main shell part 12 and the sealing ring 7 can be better connected in a sealing manner, and looseness is avoided.
In a further embodiment of this embodiment, two ends of the sealing element 4 are hollow cylindrical structures with a certain thickness, a plurality of elastic limiting threads 19 are arranged in the middle section of the sealing element 4, when one end of the threaded portion 13 is connected with an external product, the pressing plate 3 of the liquid stop block 3 is pressed inward, the sealing element 4 receives an acting force from the liquid stop block 3, the elastic limiting threads 19 are compressed towards one end of the main shell 12, the liquid stop block 3 moves towards the inside of the main shell 12, and the closed state is released, as shown in fig. 8, the liquid flow direction is shown, when the external product exits from the threaded portion 13, the elastic limiting threads 19 return to the initial state, and the penetrator 10 of the liquid stop block 3 is connected with the connecting portion 14 in a sealing manner again.
In a further embodiment of the present embodiment, the other end of the pressure plate 11 opposite to the communicating vessel 10 is provided with a supporting block 20, and the supporting block 20 is connected with the second annular groove 9; the supporting block 20, the pressing plate 11 and the second annular groove 9 are arranged at a right angle, on one hand, the supporting block fixes the connection between the pressing plate 11 and the second annular groove 9, and on the other hand, the pressing plate 11 is not excessively deformed when being extruded from the outside, so that the sealing element 4 is not stressed enough to displace.
In a further embodiment of this embodiment, the first ring groove 8 comprises a second inner cylinder 21 and a second outer cylinder 22; the second inner cylinder 21 is coaxially arranged in the second outer cylinder 22, the second inner cylinder 22 is penetrated through by two ends of a hollow structure with certain thickness, the second outer cylinder 22 is arranged close to an end face opening at the tail end of the main shell part 12 for the hollow structure with certain thickness, the sealing element 4 is embedded between the second outer cylinder 22 and the second inner cylinder 21 from one end face of the opening of the second outer cylinder 22, so that the sealing element 4 is sealed with two ends of the second annular groove 9, and a passage is formed inside.
In a further embodiment of this embodiment, the communicating vessel 10 is a hollow cylindrical structure with a taper, one end face of the communicating vessel 10 close to the top end of the main shell 12 is sealed, specifically, the inclined face of the communicating vessel 10 is connected and sealed with the connecting portion 14, and the other end face is open and connected with the second annular groove 9;
through holes 23 are symmetrically formed in the side face of one end face of the communicating vessel 10, which is in sealing fit with the connecting part 14, when an external female luer connector or other products are connected to one end of the threaded part 13, the closed state of the communicating vessel 10 and the connecting part 14 is broken, liquid flows into the liquid stopping pressure block 3 from the through hole of the communicating vessel 10 and flows out along the second annular groove 9, the sealing element 4 and a passage inside the female luer 5, and a liquid passage is formed.
In a further embodiment of this embodiment, the outer surface of the main shell 12 is in a circular truncated cone shape and has a certain taper, and a plurality of reinforcing ribs 24 are axially and uniformly arranged on the outer surface, so as to reinforce the strength of the main shell 12 and play a role in skid resistance;
the threaded portion 13 is provided with internal threads 25, and the internal threads 13 facilitate connection with other female luer connectors or other products, and are standard connectors.
In the further embodiment of this embodiment, the connecting portion 14 is a hollow cylinder and hollow cone ladder-connected structure, the diameter of the hollow cone is smaller than that of the hollow cylinder, and the inner side wall of the cone, which is connected with the connecting portion 14, is attached to the communicating vessel 10 to realize airtight fit.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A closeable male luer needleless medical connector is characterized by comprising a shell, and a female luer connector, a sealing element, a liquid stopping pressing block and a sealing ring which are arranged in the shell and are sequentially connected; one end of the female luer connector is arranged outside the tail end of the shell, the other end of the female luer connector is arranged in the shell and is in matched connection with the sealing element, the other end of the sealing element, opposite to the female luer connector, is connected with the liquid stopping pressure block, the other end of the liquid stopping pressure block, opposite to the sealing element, is in matched connection with the shell, and the sealing ring is sleeved on the liquid stopping pressure block;
the female luer connector is provided with a threaded column, a sealing ring and a first annular groove which are coaxial and integrally connected; the sealing ring is connected with the circumferential edge of the tail end of the shell in a sealing mode, the threaded column is arranged on the sealing ring and is opposite to the outside of the tail end of the shell, and the first annular groove is arranged at the other end, opposite to the threaded column, of the sealing ring and is connected with the sealing element in a matched mode;
the liquid stopping pressure block is provided with a second annular groove, a communicating vessel and a pressure plate which are coaxially and integrally connected; the second ring groove is connected with the sealing ring in a matching way, the communicating vessel is arranged in the center of the other end face of the second ring groove opposite to the sealing ring, and the pressing plates are symmetrically arranged on two sides of the communicating vessel; the sealing ring is sleeved on the communicating vessel;
the shell is provided with a main shell part, a threaded part and a connecting part which are coaxially and integrally connected; the utility model discloses a hydraulic pressure pump, including main shell portion, connecting portion, screw thread portion, connecting portion, communicating vessel, threaded portion, connecting portion, the end of main shell portion with female luer articulate and inside are provided with sealing member and end liquid briquetting, screw thread portion sets up main shell portion is kept away from female luer joint one end and is set up with main shell portion ladder, connecting portion set up screw thread portion inner center, one end extend to in the main shell portion, the other end stretches out to outside the screw thread portion, the connecting portion cover is established outside the communicating vessel and with the communicating vessel is in screw thread portion external seal cooperation, both ends are provided with the clamp plate.
2. The male luer needleless medical connector as claimed in claim 1, wherein the threaded column is hollow inside, the outer surface of the threaded column is provided with external threads, and the connecting strips are uniformly arranged at the connecting part of the threaded column and the sealing ring.
3. A male luer needleless medical connector as in claim 1 wherein the first ring groove comprises a first inner cylinder and a first outer cylinder; the sealing element is characterized in that the first inner cylinder is coaxially arranged in the first outer cylinder, the first inner cylinder is of a hollow structure with certain thickness, two ends of the first inner cylinder penetrate through the first inner cylinder, the first outer cylinder is of a hollow structure with certain thickness and is far away from an end face opening of the tail end of the main shell, and the sealing element is embedded between the first outer cylinder and the first inner cylinder from one end face of the opening of the first outer cylinder.
4. The male luer needleless medical connector of claim 1, wherein the end face of the sealing ring connected with the main housing part is extended with a bayonet; the bayonet is arranged in the main shell part and limits the connection between the main shell part and the sealing ring in the circumferential direction.
5. The male luer needleless medical connector of claim 1, wherein the two ends of the sealing element are hollow cylindrical structures with a certain thickness, and the middle section of the sealing element is provided with a plurality of elastic limiting threads.
6. The male luer needleless medical connector of claim 1, wherein the other end of the pressure plate opposite to the communicator is provided with a supporting block, and the supporting block is connected with the second annular groove; the supporting block, the pressing plate and the second ring groove are arranged at a right angle.
7. A male luer needleless medical connector as in claim 1 wherein the first circumferential groove comprises a second inner cylinder and a second outer cylinder; the second inner cylinder is coaxially arranged in the second outer cylinder, the second inner cylinder is of a hollow structure with certain thickness, two ends of the second inner cylinder penetrate through the second outer cylinder, the second outer cylinder is of a hollow structure with certain thickness and is arranged close to an end face opening of the tail end of the main shell, and the sealing element is embedded between the second outer cylinder and the second inner cylinder from one end face of the opening of the second outer cylinder.
8. The male luer needleless medical connector of claim 7, wherein the communicating vessel is a tapered hollow cylindrical structure, and is disposed close to one end face of the top end of the main housing portion in a sealing manner, and the other end face of the communicating vessel is disposed in an opening manner and is connected with the second annular groove in a penetrating manner;
and through holes are symmetrically formed in the side surface of one end face of the communicating vessel, which is in sealing fit with the connecting part.
9. The male luer needleless medical connector as claimed in claim 1, wherein the outer surface of the main housing portion is in a shape of a circular truncated cone, and a plurality of reinforcing ribs are axially and uniformly arranged on the outer surface;
the threaded portion is provided with an internal thread.
10. A male luer needleless medical connector as claimed in claim 1 wherein the connecting portion is a stepped connection structure of a hollow cylinder and a hollow cone having a diameter smaller than that of the hollow cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042002.3A CN113769256A (en) | 2021-09-07 | 2021-09-07 | Closable male luer needleless medical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042002.3A CN113769256A (en) | 2021-09-07 | 2021-09-07 | Closable male luer needleless medical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113769256A true CN113769256A (en) | 2021-12-10 |
Family
ID=78841467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111042002.3A Pending CN113769256A (en) | 2021-09-07 | 2021-09-07 | Closable male luer needleless medical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113769256A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060142735A1 (en) * | 2004-12-10 | 2006-06-29 | Kenneth Whitley | Self-sealing male Luer connector with multiple seals |
| CN102316925A (en) * | 2008-12-19 | 2012-01-11 | Icu医学有限公司 | Have can closed female luer medical connector |
| JP2012223278A (en) * | 2011-04-18 | 2012-11-15 | Paru Medical:Kk | Medical connector |
| CN205041878U (en) * | 2015-08-28 | 2016-02-24 | 北京天地和协科技有限公司 | Infusion of needleless malleation connects |
| CN206325063U (en) * | 2016-08-18 | 2017-07-14 | 宁湘龙 | Medical Needleless barotropic joint |
| CN108348676A (en) * | 2013-11-18 | 2018-07-31 | 霍基-罗伯茨公司 | Medical Luer connector |
| CN209827791U (en) * | 2019-04-08 | 2019-12-24 | 深圳安特医疗股份有限公司 | Needleless infusion joint |
-
2021
- 2021-09-07 CN CN202111042002.3A patent/CN113769256A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060142735A1 (en) * | 2004-12-10 | 2006-06-29 | Kenneth Whitley | Self-sealing male Luer connector with multiple seals |
| CN102316925A (en) * | 2008-12-19 | 2012-01-11 | Icu医学有限公司 | Have can closed female luer medical connector |
| JP2012223278A (en) * | 2011-04-18 | 2012-11-15 | Paru Medical:Kk | Medical connector |
| CN108348676A (en) * | 2013-11-18 | 2018-07-31 | 霍基-罗伯茨公司 | Medical Luer connector |
| CN205041878U (en) * | 2015-08-28 | 2016-02-24 | 北京天地和协科技有限公司 | Infusion of needleless malleation connects |
| CN206325063U (en) * | 2016-08-18 | 2017-07-14 | 宁湘龙 | Medical Needleless barotropic joint |
| CN209827791U (en) * | 2019-04-08 | 2019-12-24 | 深圳安特医疗股份有限公司 | Needleless infusion joint |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211210 |