CN216366156U - Transfusion needle connecting mechanism and butterfly wing needle - Google Patents
Transfusion needle connecting mechanism and butterfly wing needle Download PDFInfo
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- CN216366156U CN216366156U CN202121419464.8U CN202121419464U CN216366156U CN 216366156 U CN216366156 U CN 216366156U CN 202121419464 U CN202121419464 U CN 202121419464U CN 216366156 U CN216366156 U CN 216366156U
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- infusion needle
- supply device
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- silica gel
- medicine supply
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Abstract
The utility model relates to the technical field of medical instruments, in particular to an infusion needle connecting mechanism which comprises a connector body and a silica gel sealing element, wherein one end of the connector body is suitable for being connected with a guide pipe of an infusion needle, and the other end of the connector body is suitable for being communicated with a medicine supply device; the connector is hollow to form a mounting cavity; the silica gel sealing element is sealed, filled and fixed in the mounting cavity; a channel suitable for communicating the catheter and the medicine supply device is formed in the middle of the silica gel sealing piece; a sealing part suitable for plugging the channel is arranged at one end, communicated with the medicine supply device, of the joint body of the silica gel sealing piece; the end face of the sealing part is flush with the end face of the joint body; the sealing part is provided with a gap, and the medicine supply device is suitable for penetrating through the gap and communicating with the channel. The butterfly wing needle can overcome the defect that the butterfly wing needle is inconvenient for operators to use in the prior art.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an infusion needle connecting mechanism and a butterfly wing needle.
Background
An implanted venous transfusion port is a relatively new transfusion pipeline technology, is called a transfusion port for short, and is a closed venous transfusion system which can be completely implanted into a patient. The system comprises a central venous catheter, the end of the venous catheter is connected with an injection seat, and the injection seat is a space capable of storing liquid and is called a liquid storage tank. The venous catheter is placed in a human body great vein such as a subclavian vein and a superior vena cava through subcutaneous puncture by using a small operation method, part of the catheter is buried in subcutaneous tissue, the injection seat at the other end is left in the subcutaneous tissue of the chest wall and is sutured and fixed, only a small sutured wound is seen on the appearance of the skin of a patient after an operation, and the body surface of the patient can touch a protruding round ball after healing and removing the suture. During subsequent treatment, the needle is positioned, and the butterfly wing needle vertically enters a liquid storage tank of the injection seat through percutaneous puncture, so that the injection can be conveniently carried out, and the long-time continuous transfusion and blood sampling can be carried out.
One end of the existing butterfly wing needle structure, which is used for being connected with an infusion device, is generally blocked by a heparin cap and a sealing cover, when the butterfly wing needle structure is used, the heparin cap needs to be punctured by a metal needle head for infusion, and the situation of needle head puncture is easy to occur in the puncturing process; when the sealing cover is used, the sealing cover needs to be taken down, so that the opening of the infusion tube is an open opening, dirty objects can easily enter the opening, and the opening is not convenient for disinfection. The sealing cover is taken down when in use and is covered when not in use, so that the defect that the butterfly wing needle is inconvenient for medical personnel to use is overcome due to the increase of operation steps.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a transfusion needle connecting mechanism and a butterfly-wing needle, aiming at solving the defect that the butterfly-wing needle in the prior art is inconvenient for operators to use.
A transfusion needle connecting mechanism comprises a connector body and a silica gel sealing element, wherein one end of the connector body is suitable for being connected with a conduit of a transfusion needle, and the other end of the connector body is suitable for being communicated with a medicine supply device; the joint body is hollow to form a mounting cavity; the silica gel sealing element is sealed, filled and fixed in the mounting cavity; a channel suitable for communicating the catheter and the medicine supply device is formed in the middle of the silica gel sealing piece; a sealing part suitable for plugging the channel is arranged at one end, communicated with the medicine supply device, of the joint body of the silica gel sealing piece; the end face of the sealing part is flush with the end face of the joint body; the sealing part is provided with a gap, and the medicine supply device is suitable for penetrating through the gap and communicating with the channel.
Optionally, the joint body comprises a base and a shell, the base is detachably connected with the shell, the base is connected with a conduit of the infusion needle, and the silica gel sealing element is located in the shell.
Optionally, the base is communicated with a hollow tube, and a conduit of the infusion needle is inserted into the hollow tube.
Optionally, a thread is arranged on the connector and used for being screwed with the medicine supply device.
Optionally, the casing includes first installation shell and the second installation shell of coaxial coupling, the diameter of first installation shell is greater than the diameter of second installation shell, the screw thread is located the outer wall of second installation shell, first installation shell with the base can be dismantled and be connected.
Optionally, the housing further includes a connecting plate, the connecting plate is located between the first mounting shell and the second mounting shell, and the connecting plate connects the first mounting shell and the second mounting shell.
Optionally, the portion of the web closer to the first mounting shell is further from the shell axis.
Optionally, connect and be equipped with a plurality of sand grips along self circumference on the body, the length direction of sand grip is followed the axial setting that connects the body, the sand grip supplies operating personnel to hold between the fingers.
Optionally, the edges of the raised lines are all arranged in a fillet manner.
The technical scheme of the utility model has the following advantages:
1. the utility model provides a transfusion needle connecting mechanism which comprises a connector body and a silica gel sealing element, wherein one end of the connector body is suitable for being connected with a guide pipe of a transfusion needle, and the other end of the connector body is suitable for being communicated with a medicine supply device; the joint body is hollow to form a mounting cavity; the silica gel sealing element is sealed, filled and fixed in the mounting cavity; a channel suitable for communicating the catheter and the medicine supply device is formed in the middle of the silica gel sealing piece; a sealing part suitable for plugging the channel is arranged at one end, communicated with the medicine supply device, of the joint body of the silica gel sealing piece; the end face of the sealing part is flush with the end face of the joint body; the sealing part is provided with a gap, and the medicine supply device is suitable for penetrating through the gap and communicating with the channel. When medical personnel need to connect the medicine supply device, the needle tube of the medicine supply device is inserted into the gap, and the liquid medicine flows into the catheter through the channel in the silica gel sealing piece and then flows into the human body, wherein the end face of the sealing part is flush with the end face of the joint body; in addition, the sealing part is provided with the gap, so that the gap can be normally closed under the influence of the silica gel material in a normal state when the sealing part is not used, and the external pollution is avoided.
2. The utility model provides a transfusion needle connecting mechanism, wherein a connector body comprises a base and a shell, the base is detachably connected with the shell, the base is connected with a conduit of a transfusion needle, and a silica gel sealing element is positioned in the shell. Through the arrangement, the base is detachably connected with the shell, so that an operator can conveniently place the silica gel sealing element into the joint body, and the silica gel sealing element joint has the advantage of convenience in installation.
3. According to the transfusion needle connecting mechanism provided by the utility model, the base is communicated with the hollow pipe, and the conduit of the transfusion needle is inserted into the hollow pipe. The arrangement of the hollow pipe enables the connection between the conduit of the transfusion needle and the joint body to be more convenient.
4. According to the transfusion needle connecting mechanism provided by the utility model, the connector is provided with the threads, and the threads are used for being in threaded connection with a medicine supply device. Through the arrangement, the medicine supply device is more stably connected with the joint body, so that the stability during infusion is ensured.
5. The utility model provides a transfusion needle connecting mechanism, wherein a shell comprises a first mounting shell and a second mounting shell which are coaxially connected, the diameter of the first mounting shell is larger than that of the second mounting shell, a thread is positioned on the outer wall of the second mounting shell, and the first mounting shell is detachably connected with a base. The screw thread sets up on the less second installation shell of size, when the screw thread with supply the medicine device spiro union, steadily simultaneously because the size is less for operating personnel spends less strength can carry out the spiro union with supplying the medicine device and connecting the body.
6. The utility model provides a transfusion needle connecting mechanism, wherein the shell further comprises a connecting plate, the connecting plate is positioned between the first mounting shell and the second mounting shell, and the connecting plate is connected with the first mounting shell and the second mounting shell. First installation shell and second installation shell are connected to the connecting plate, and are more stable firm.
7. According to the transfusion needle connecting mechanism provided by the utility model, the part of the connecting plate, which is closer to the first mounting shell, is farther from the axis of the shell. Through the arrangement, the connecting plate is obliquely arranged, so that the first installation shell and the second installation shell are more stably connected.
8. According to the transfusion needle connecting mechanism provided by the utility model, the connector body is provided with the plurality of convex strips along the circumferential direction, the length direction of the convex strips is arranged along the axial direction of the connector body, and the convex strips are used for an operator to hold. A plurality of sand grips have increased the surface area that connects the body lateral wall to be convenient for operating personnel and hold between the fingers the joint body.
9. According to the transfusion needle connecting mechanism provided by the utility model, the edges of the raised lines are all arranged in a fillet manner. The fillet sets up and can prevent that operating personnel from receiving the probability of wound by the edges and corners fish tail of sand grip, reduction operating personnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of an infusion needle connection mechanism according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a connector body of an infusion needle connection mechanism according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a connector body of an infusion needle connection mechanism according to an embodiment of the application.
Description of reference numerals: 1. a connector body; 2. a mounting cavity; 3. a silicone sealing element; 4. a conduit; 5. A channel; 6. a sealing part; 7. a gap; 8. a base; 9. a housing; 10. a hollow tube; 11. a thread; 12. a first mounting case; 13. a second mounting case; 14. a connecting plate; 15. and (4) raised strips.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
Referring to fig. 1, the transfusion needle connecting mechanism provided by the utility model comprises a connector body 1 and a silica gel sealing element 3, wherein one end of the connector body 1 is suitable for being connected with a conduit 4 of a transfusion needle, and the other end of the connector body is suitable for being communicated with a medicine supply device; the joint body 1 is hollow to form a mounting cavity 2; the silica gel sealing element 3 is sealed, filled and fixed in the installation cavity 2; a channel 5 suitable for communicating the conduit 4 and the medicine supply device is formed in the middle of the silica gel sealing piece 3; a sealing part 6 suitable for sealing the channel 5 is arranged at one end, communicated with the medicine supply device, of the silica gel sealing element 3 on the joint body 1; the end face of the sealing part 6 is flush with the end face of the joint body 1; the sealing part 6 is provided with a gap 7, and the medicine supply device is suitable for penetrating through the gap 7 and communicating with the channel 5.
When medical staff need to connect the medicine supply device, the needle tube of the medicine supply device is inserted into the gap 7, and the liquid medicine flows into the conduit 4 through the channel 5 in the silica gel sealing piece 3 and then flows into a human body, wherein the end face of the sealing part 6 is flush with the end face of the joint body 1, so that the medical staff can disinfect the end face of the joint body 1 conveniently; in addition, the gap 7 formed in the sealing part 6 has the advantages that when the sealing part is not used, the gap 7 can be normally closed under the influence of the silica gel material in a normal state, and external pollution is avoided.
One end of the conduit 4 of the transfusion needle, which is far away from the joint body 1, is connected with a fixing piece which is in a butterfly wing shape.
The connector body 1 comprises a base 8 and a shell 9, the base 8 is detachably connected with the shell 9, the base 8 is connected with a conduit 4 of an infusion needle, and a silica gel sealing element 3 is positioned in the shell 9. Through the setting, base 8 and casing 9 can be dismantled and be connected, and the operating personnel of can being convenient for puts into silica gel sealing member 3 and connects in the body 1, has the convenient advantage of installation.
The base 8 is communicated with a hollow tube 10, and the conduit 4 of the transfusion needle is inserted into the hollow tube 10. The hollow tube 10 is arranged to facilitate the connection of the conduit 4 of the infusion needle with the connector body 1.
The connector is provided with a thread 11, and the thread 11 is used for being screwed with the medicine supply device. Through the arrangement, the medicine supply device is more stably connected with the joint body 1, so that the stability during infusion is ensured.
The housing 9 further includes a connecting plate 14, the connecting plate 14 is located between the first mounting shell 12 and the second mounting shell 13, and the connecting plate 14 connects the first mounting shell 12 and the second mounting shell 13. The connecting plate 14 connects the first mounting shell 12 and the second mounting shell 13, which is more stable and firm.
The portions of the connecting plate 14 closer to the first mounting shell 12 are further from the axis of the housing 9. Through the arrangement, the connecting plate 14 is obliquely arranged, so that the connection between the first mounting shell 12 and the second mounting shell 13 is more stable.
Connect and be equipped with a plurality of sand grips 15 along self circumference on the body 1, the length direction of sand grip 15 sets up along the axial that connects body 1, and sand grip 15 supplies operating personnel to hold between the fingers. A plurality of sand grips 15 have increased the surface area that connects the body 1 lateral wall to be convenient for operating personnel to hold between fingers and connect body 1.
The edges of the convex strips 15 are all arranged in a rounding angle. The fillet sets up the edges and corners fish tail that can prevent that operating personnel from by sand grip 15, reduces operating personnel and receives the probability of wound.
The utility model also discloses a butterfly wing needle which comprises the transfusion needle connecting structure.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (10)
1. An infusion needle coupling mechanism, comprising:
the joint body (1) has one end suitable for being connected with a conduit (4) of an infusion needle and the other end suitable for being communicated with a medicine supply device; the joint body (1) is hollow to form a mounting cavity (2);
the silica gel sealing element (3) is fixed in the mounting cavity (2) in a sealing and filling manner; a channel (5) suitable for communicating the conduit (4) and the medicine supply device is formed in the middle of the silica gel sealing piece (3);
a sealing part (6) suitable for sealing the channel (5) is arranged at one end, communicated with the medicine supply device, of the joint body (1) of the silica gel sealing element (3); the end face of the sealing part (6) is flush with the end face of the joint body (1); the sealing part (6) is provided with a gap (7), and the medicine supply device is suitable for penetrating through the gap (7) and communicating with the channel (5).
2. The infusion needle connection mechanism according to claim 1, wherein the connector body (1) comprises a base (8) and a housing (9), the base (8) is detachably connected with the housing (9), the base (8) is connected with a conduit (4) of an infusion needle, and the silicone sealing member (3) is located in the housing (9).
3. An infusion needle connection mechanism according to claim 2, characterized in that a hollow tube (10) is connected to the base (8), and the conduit (4) of the infusion needle is inserted into the hollow tube (10).
4. An infusion needle connection according to claim 2, wherein the connector is provided with a thread (11), and the thread (11) is used for screwing with a drug delivery device.
5. An infusion needle connection mechanism according to claim 4, characterized in that the housing (9) comprises a first mounting shell (12) and a second mounting shell (13) which are coaxially connected, the diameter of the first mounting shell (12) is larger than that of the second mounting shell (13), the thread (11) is located on the outer wall of the second mounting shell (13), and the first mounting shell (12) is detachably connected with the base (8).
6. An infusion needle connection according to claim 5, wherein the housing (9) further comprises a connection plate (14), the connection plate (14) being located between the first mounting case (12) and the second mounting case (13), the connection plate (14) connecting the first mounting case (12) and the second mounting case (13).
7. An infusion needle connection according to claim 6, wherein the portion of the connection plate (14) closer to the first mounting casing (12) is further from the axis of the housing (9).
8. The infusion needle connecting mechanism according to claim 1, wherein a plurality of protruding strips (15) are arranged on the connector body (1) along the circumferential direction of the connector body, the length direction of the protruding strips (15) is arranged along the axial direction of the connector body (1), and the protruding strips (15) are used for an operator to hold.
9. An infusion needle connection according to claim 8, wherein the edges of the ribs (15) are rounded.
10. A butterfly needle comprising an infusion needle attachment mechanism according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419464.8U CN216366156U (en) | 2021-06-24 | 2021-06-24 | Transfusion needle connecting mechanism and butterfly wing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419464.8U CN216366156U (en) | 2021-06-24 | 2021-06-24 | Transfusion needle connecting mechanism and butterfly wing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216366156U true CN216366156U (en) | 2022-04-26 |
Family
ID=81216563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121419464.8U Active CN216366156U (en) | 2021-06-24 | 2021-06-24 | Transfusion needle connecting mechanism and butterfly wing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216366156U (en) |
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2021
- 2021-06-24 CN CN202121419464.8U patent/CN216366156U/en active Active
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