CN210057135U - High-cleanliness three-way valve for prolonging vein use - Google Patents
High-cleanliness three-way valve for prolonging vein use Download PDFInfo
- Publication number
- CN210057135U CN210057135U CN201822230174.3U CN201822230174U CN210057135U CN 210057135 U CN210057135 U CN 210057135U CN 201822230174 U CN201822230174 U CN 201822230174U CN 210057135 U CN210057135 U CN 210057135U
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- Prior art keywords
- way valve
- bottle
- luer lock
- diameter
- cleanliness
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Abstract
The utility model discloses a three-way valve is used in vein extension of high cleanliness degree, including the three-way valve, the top gomphosis of three-way valve has luer to connect, it has the pjncture needle connecting pipe to peg graft at luer's top, the bottom adhesion of three-way valve has the butt joint, the lateral wall central point of butt joint puts the gomphosis and has the rubber pad, and the rubber pad is salient slightly, the dop has been cup jointed on the butt joint, the end of dop is pegged graft and is had the extension pipe, fixed the grafting has the stay tube on the side siphunculus of. The utility model discloses in establish the stay tube and be used for supporting medicine interpolation bottle etc. then use the bracket will add the bottle fixed, its seal has diaphragm control at ordinary times, and its bottleneck can be pinned when adding the bottle and insert to drive hollow syringe needle conflict diaphragm at the decline in-process, just so realize the three-way valve and add the collusion of bottle, pop out hollow syringe needle through the spring when the bottle is extracted, make the diaphragm resume to reach sealedly.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a vein prolonged use three-way valve of high cleanliness factor.
Background
In modern medical activities, the vein extension tube is widely used, the vein extension tube used at present is generally a three-way vein extension tube, a valve used by the extension tube is a three-way valve, and the three-way valve controls the flow of liquid by means of a three-way cock.
However, in clinical operation, except one end of the three-way valve of the three-way vein extension tube is communicated with the extension tube, the other end of the three-way valve is connected with the liquid of the infusion apparatus, the redundant port of the three-way vein extension tube can be filled with the medicine, when the three-way vein extension tube is used, the port is pulled out, and the medicine is injected inwards by the temporary port, which brings great trouble to the medicine adding operation in clinical medical treatment, the pulled port increases the opportunity of contacting with bacteria and viruses, and brings potential safety hazard to patients.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a three-way valve for prolonging the vein with high cleanliness.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a three-way valve with high cleanliness for prolonging the vein comprises a three-way valve, wherein the top of the three-way valve is embedded with a Ruhr joint, the top of the luer connector is inserted with a puncture needle connecting pipe, the bottom end of the three-way valve is adhered with an abutting joint, the central position of the outer side wall of the abutting joint is embedded with a rubber pad, the rubber pad is slightly protruded, the butt joint is sleeved with a clamping head, the tail end of the clamping head is inserted with an extension pipe, a supporting tube is fixedly spliced on the side through tube of the three-way valve, the inner side wall of the upper end of the supporting tube is provided with a layer of diaphragm, a bottle supporting piece is fixedly arranged at the top of the supporting tube, a bottle locking piece is arranged in the bottle supporting piece, the inner side walls of the two ends of the bottle locking piece are respectively provided with a second spring, the end of the second spring is horizontally welded with an elastic sheet, the center of the bottom end of the bottle locking piece is vertically provided with a hollow needle, and the center points of the hollow needle and the diaphragm are on the same straight line.
As a further description of the above technical solution:
the bottom of holding in the palm a bottle spout is equipped with first spring, and sliding block and first spring contact.
As a further description of the above technical solution:
the diameter of the bottle supporting piece is equal to the diameter of the bottle neck of the drip bottle, the elastic piece is of a curved surface structure, the diameter of the elastic piece is equal to the width of an annular groove in the bottle neck of the drip bottle, and the diameter of the bottle locking piece is equal to the diameter of the bottle neck of the drip bottle.
As a further description of the above technical solution:
the luer connector comprises a convex luer lock and a concave luer lock, and the convex luer lock and the concave luer lock are mutually embedded and in threaded connection.
As a further description of the above technical solution:
the top of convex surface luer lock is equipped with first intubate, and the diameter of first intubate and the internal diameter of pjncture needle connecting pipe equal, the piece of twisting has been cup jointed on the convex surface luer lock, the bottom edge welding of convex surface luer lock has the tapered end, and the sculpture has the external screw thread on the tapered end.
As a further description of the above technical solution:
the inside wall etching of concave surface luer lock has the internal thread corresponding with the external screw thread, the center department of concave surface luer lock is equipped with the embedding pipe, and the diameter of embedding pipe and the internal diameter of convex surface luer lock equal, the end of concave surface luer lock is equipped with the second intubate, and the external diameter of second intubate and the internal diameter of three-way valve top siphunculus equal.
As a further description of the above technical solution:
the three-way valve and the supporting pipe are made of metal, the supporting pipe is connected with the three-way valve through threads, and the length of the supporting pipe is larger than the height of the Ruhr joint.
The utility model discloses following beneficial effect has:
1. compared with the prior art, the leakproofness of this technical scheme equipment, guarantee the high cleanliness of three-way valve, because the three port of three-way valve, one end is outside extension pipe intercommunication, all the other termination transfusion system liquid, under the circumstances of not adding the medicine, the end can be vacated to the notes destined, and the leakproofness of this end is the important index of guaranteeing the three-way valve cleanliness factor, this scheme establishes one section stay tube at this end cover and is used for supporting medicine interpolation bottle etc., then it is fixed to use the bracket will add the bottle, its leakproofness has diaphragm control at ordinary times, when adding the bottle and inserting, its bottleneck can be pinned, thereby drive the diaphragm of cavity syringe needle conflict at the decline in-process, just so realize the intercommunication of three-way valve and interpolation bottle, when the bottle is extracted, pop out the hollow syringe needle through the spring, make the diaphragm resume, reach sealedly.
2. Compared with the prior art, the technical scheme is that the device is connected with the pipes and the bottles through the luer connectors, the luer connectors are convenient connecting equipment used in the medical industry, the management of liquid and gaseous medical fluids is greatly simplified, the luer connectors can be used for switching a plurality of infusion bags on the premise of not plugging and unplugging infusion needles of patients, the connectors also allow a plurality of fluids compatible with each other to be managed by using the same pipeline, so that wounds on patients are reduced, and the connector is favorable for being butted with infusion sets when being used on the device, so that the butting is quick, stable, firm and sealed, and the high cleanliness of the three-way valve is increased.
Drawings
FIG. 1 is an overall structure diagram of a three-way valve for prolonged use of veins with high cleanliness according to the present invention;
fig. 2 is a cross-sectional view of a luer connector of a high-cleanliness three-way valve for prolonged vein use according to the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
Illustration of the drawings: 1. a puncture needle connecting pipe; 2. a luer fitting; 3. a three-way valve; 4. a butt joint; 5. clamping a head; 6. supporting a tube; 7. a rubber pad; 8. an extension tube; 9. a first cannula; 10. a convex luer lock; 11. an internal thread; 12. screwing parts; 13. a lock head; 14. a concave luer lock; 15. an insert tube; 16. a second cannula; 17. a spring plate; 18. a slider; 19. a first spring; 20. a bottle supporting piece; 21. a second spring; 22. locking the bottle piece; 23. a hollow needle head; 24. a diaphragm.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a three-way valve for vein extension with high cleanliness, comprising a three-way valve 3, a luer connector 2 is embedded at the top of the three-way valve 3, a puncture needle connecting pipe 1 is inserted at the top of the luer connector 2, a butt connector 4 is adhered at the bottom end of the three-way valve 3, a rubber pad 7 is embedded at the central position of the outer side wall of the butt connector 4, the rubber pad 7 slightly protrudes, a chuck 5 is sleeved on the butt connector 4, an extension pipe 8 is inserted at the tail end of the chuck 5, a support pipe 6 is fixedly inserted on a side pipe of the three-way valve 3, a membrane 24 is arranged on the inner side wall of the upper end of the support pipe 6, a bottle supporting member 20 is fixedly arranged at the top of the support pipe 6, a bottle locking member 22 is arranged inside the bottle supporting member 20, second springs 21 are arranged on the inner side walls at both ends of the bottle locking member 22, and the center points of the hollow needle 23 and the septum 24 are on the same line.
The design is that when an additive bottle is placed on the bottle pulling part 20, the first spring 19 is extruded due to gravity, so that the hollow bell head 23 butts against the diaphragm 24 and is opened; the diameter of the bottle supporting part 20 is equal to the diameter of the bottleneck of the adding bottle, the elastic sheet 17 is of a curved surface structure, the diameter of the elastic sheet 17 is equal to the width of an annular groove on the bottleneck of the adding bottle, the diameter of the bottle locking part 22 is equal to the diameter of the bottleneck of the adding bottle, the design is to keep the stability of the adding bottle when the adding bottle is inverted, and the structure of the adding bottle is in a market universal shape; the luer connector 2 comprises a convex luer lock 10 and a concave luer lock 14, the convex luer lock 10 and the concave luer lock 14 are mutually embedded and in threaded connection, and self-locking is realized through mutual embedding; the top of the convex luer lock 10 is provided with a first insertion tube 9, the diameter of the first insertion tube 9 is equal to the inner diameter of the puncture needle connecting tube 1, a screwing piece 12 is sleeved on the convex luer lock 10, a lock head 13 is welded at the edge of the bottom end of the convex luer lock 10, external threads are etched on the lock head 13, the design is that the lock head 13 plays a role in threaded connection in order to facilitate the quick butt joint of the luer connector 2 and the puncture needle connecting tube 1 and the force application point when the screwing piece 12 is inserted; the inner side wall of the concave surface luer lock 14 is etched with an internal thread 11 corresponding to the external thread, the design is convenient for embedding, an embedded pipe 15 is arranged at the center of the concave surface luer lock 14 and plays a role in communication, the diameter of the embedded pipe 15 is equal to the inner diameter of the convex surface luer lock 10, a second insertion pipe 16 is arranged at the tail end of the concave surface luer lock 14, the outer diameter of the second insertion pipe 16 is equal to the inner diameter of a through pipe at the top of the three-way valve 3, and the second insertion pipe is conveniently butted with the three-way valve 3; the three-way valve 3 and the supporting tube 6 are made of metal, the metal can bear the gravity of the adding bottle, the supporting tube 6 is connected with the three-way valve 3 through threads, the length of the supporting tube 6 is larger than the height of the Ruhr joint 2, and the design prevents that the liquid medicine flows backwards due to different heights caused by water pressure.
The working principle is as follows: the utility model relates to a three-way valve for prolonging vein with high cleanliness, when in use, the convex luer lock 10 of a luer connector 2 is butted with the concave luer lock 14, a lock head 13 is inserted into the concave luer lock 14, the three-way valve is clockwise rotated and is fixed through an external thread and an internal thread 11, then the three-way valve is spliced with a puncture needle connecting pipe 1 through a first inserting pipe 9, and then the three-way valve is butted with a second inserting pipe 16, at the moment, the lower end head of an extension pipe 8 and the lower end head of the three-way valve 3 are connected through a dop 5 and a butt joint 4, the installation is completed, when in use, if medicine is required to be added, the adding bottle is fixed by using a bottle supporting piece 20, the sealing property is controlled by a diaphragm 24, when the adding bottle is inserted, the bottle opening can extrude an elastic sheet 17, the second spring 21 is compressed, the elastic sheet 17 can slide through the bottle mouth due to a curved surface, the elastic sheet is embedded in a, the sliding block 18 compresses the first spring 19, the hollow needle 23 butts against the membrane 24, the membrane 24 is opened, thus the communication between the three-way valve 3 and the adding bottle is realized, when the bottle is pulled out, the sliding block 18 is lifted through the reset of the first spring 19, the bottle locking piece 22 is lifted along with the lifting, the hollow needle 23 is ejected out of the membrane 24, the membrane 24 is recovered, and the sealing is continuously realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. A three-way valve for prolonging the use of veins with high cleanliness comprises a three-way valve (3) and is characterized in that: the puncture needle is characterized in that a luer connector (2) is embedded at the top of the three-way valve (3), a puncture needle connecting pipe (1) is inserted at the top of the luer connector (2), a butt joint (4) is bonded at the bottom end of the three-way valve (3), a rubber pad (7) is embedded at the central position of the outer side wall of the butt joint (4), the rubber pad (7) is slightly protruded, a clamping head (5) is sleeved on the butt joint (4), an extension pipe (8) is inserted at the tail end of the clamping head (5), a support pipe (6) is fixedly inserted on a side pipe of the three-way valve (3), a layer of diaphragm (24) is arranged on the inner side wall of the upper end of the support pipe (6), a bottle supporting piece (20) is fixedly arranged at the top of the support pipe (6), a bottle locking piece (22) is arranged inside the bottle supporting piece (20), and second, the end of the second spring (21) is horizontally welded with an elastic sheet (17), the bottom center of the bottle locking piece (22) is vertically provided with a hollow needle (23), and the central points of the hollow needle (23) and the diaphragm (24) are on the same straight line.
2. A high-cleanliness three-way valve for prolonged use of veins according to claim 1, characterized in that: the two ends of the bottle supporting piece (20) are provided with inner side walls, sliding grooves are formed in the inner side walls of the two ends of the bottle supporting piece (20), sliding blocks (18) are arranged on the outer side walls of the two ends of the bottle locking piece (22), a first spring (19) is arranged at the bottom end of the sliding groove of the bottle supporting piece (20), and the sliding blocks (18) are in contact with the first spring (19).
3. A high-cleanliness three-way valve for prolonged use of veins according to claim 1, characterized in that: the diameter of the bottle supporting piece (20) is equal to the diameter of the bottleneck of the drip bottle, the elastic sheet (17) is of a curved surface structure, the diameter of the elastic sheet (17) is equal to the width of an annular groove in the bottleneck of the drip bottle, and the diameter of the bottle locking piece (22) is equal to the diameter of the bottleneck of the drip bottle.
4. A high-cleanliness three-way valve for prolonged use of veins according to claim 1, characterized in that: the luer connector (2) comprises a convex luer lock (10) and a concave luer lock (14), and the convex luer lock (10) and the concave luer lock (14) are mutually embedded and in threaded connection.
5. A high-cleanliness three-way valve for prolonged use of veins according to claim 4, characterized in that: the top of convex surface luer lock (10) is equipped with first intubate (9), and the diameter of first intubate (9) equals with the internal diameter of pjncture needle connecting pipe (1), it twists piece (12) to have cup jointed on convex surface luer lock (10), the bottom edge welding of convex surface luer lock (10) has tapered end (13), and the sculpture has the external screw thread on tapered end (13).
6. A high-cleanliness three-way valve for prolonged use of veins according to claim 5, wherein: the inside wall etching of concave surface luer lock (14) has and internal thread (11) corresponding with the external screw thread, the center department of concave surface luer lock (14) is equipped with embedding pipe (15), and the diameter of embedding pipe (15) equals with the internal diameter of convex surface luer lock (10), the end of concave surface luer lock (14) is equipped with second intubate (16), and the external diameter of second intubate (16) equals with the internal diameter of three-way valve (3) top siphunculus.
7. A high-cleanliness three-way valve for prolonged use of veins according to claim 5, wherein: the three-way valve (3) and the supporting tube (6) are both made of metal, the supporting tube (6) is connected with the three-way valve (3) through threads, and the length of the supporting tube (6) is greater than the height of the Ruhr joint (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230174.3U CN210057135U (en) | 2018-12-28 | 2018-12-28 | High-cleanliness three-way valve for prolonging vein use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230174.3U CN210057135U (en) | 2018-12-28 | 2018-12-28 | High-cleanliness three-way valve for prolonging vein use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210057135U true CN210057135U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822230174.3U Expired - Fee Related CN210057135U (en) | 2018-12-28 | 2018-12-28 | High-cleanliness three-way valve for prolonging vein use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210057135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398449A (en) * | 2021-07-08 | 2021-09-17 | 王倩倩 | Disposable portable cervix medicinal powder sprayer |
-
2018
- 2018-12-28 CN CN201822230174.3U patent/CN210057135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398449A (en) * | 2021-07-08 | 2021-09-17 | 王倩倩 | Disposable portable cervix medicinal powder sprayer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20211228 |