CN214074512U - Disposable needleless positive pressure joint - Google Patents

Disposable needleless positive pressure joint Download PDF

Info

Publication number
CN214074512U
CN214074512U CN202022195485.8U CN202022195485U CN214074512U CN 214074512 U CN214074512 U CN 214074512U CN 202022195485 U CN202022195485 U CN 202022195485U CN 214074512 U CN214074512 U CN 214074512U
Authority
CN
China
Prior art keywords
spiral
connects
positive pressure
butt joint
connecting plate
Prior art date
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.)
Active
Application number
CN202022195485.8U
Other languages
Chinese (zh)
Inventor
孙军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Xinkangdao Plastic Products Co ltd
Original Assignee
Suzhou Xinkangdao Plastic Products Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Xinkangdao Plastic Products Co ltd filed Critical Suzhou Xinkangdao Plastic Products Co ltd
Priority to CN202022195485.8U priority Critical patent/CN214074512U/en
Application granted granted Critical
Publication of CN214074512U publication Critical patent/CN214074512U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a disposable needleless malleation connects, comprising a main body, the upper end surface of main part is provided with porous infusion and connects, porous infusion connects including butt joint hard tube, side opening, hose, one side surface that porous infusion connects is provided with the passageway, one side surface of passageway is provided with spiral sealing device, spiral sealing device includes interface post, spiral line, movable rubber strip, one side surface of main part is provided with the pressure chamber, one side surface of pressure chamber is provided with piston device, piston device includes kicking block, connecting plate, spring tube, base, relates to medical instrument technical field. This disposable needleless malleation connects is equipped with porous infusion and connects, and spiral sealing device can guarantee that the infusion is unblocked, avoids causing the incident because of a connecting hole blocks up, and it is cleaner to have dual sealing to let the malleation connect in addition, guarantees that sterile condition brings better use prospect during the use.

Description

Disposable needleless positive pressure joint
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a disposable needleless positive pressure joint.
Background
The application of the indwelling needle is very wide, the indwelling needle is easy to puncture, related puncture technologies are easy to learn to protect blood vessels of patients, the pain of the patients is relieved, and the patients feel comfortable, but after the infusion equipment is connected for infusion, a heparin cap of the indwelling needle needs to be sealed by physiological saline and heparin sodium, the workload of medical workers is increased, the possibility of thrombus formation is increased, the thrombus formation can damage the using machine and cannot be normally used, some patients have anaphylactic reaction to an air pipe, some patients can have the condition of blood backflow, the condition of the violent blood backflow can cause life risks to the patients, because the indwelling needle only has one infusion connector, the possibility of safety accidents is higher, a series of devices for blocking the connector cannot normally operate, and the indwelling needle is stored and packaged very randomly, the needle is easy to expose carelessly to contact bacteria, possibly infects patients and seriously causes life danger, and therefore a disposable needle-free positive pressure joint is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a disposable needleless malleation connects to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: disposable needleless malleation connects, comprising a main body, the upper end surface of main part is provided with porous infusion and connects, porous infusion connects including butt joint hard tube, side opening, hose, one side surface that porous infusion connects is provided with the passageway, one side surface of passageway is provided with spiral sealing device, spiral sealing device includes interface post, spiral line, activity rubber strip, one side surface of main part is provided with the pressure chamber, one side surface of pressure chamber is provided with piston device, piston device includes kicking block, connecting plate, spring pipe, base, piston device's lower extreme surface is provided with the internal thread.
Preferably, the butt joint hard tube is located the one side surface of side opening, the side opening is located the upper end surface of butt joint hard tube, the hose is located the one end surface of butt joint hard tube, the interface post is located the one side surface of spiral line, the spiral line is located the one side surface of activity rubber strip.
Preferably, the top block is located on the outer surface of one side of the connecting plate, the connecting plate is located on the outer surface of one end of the spring tube, and the spring tube is located on the outer surface of one side of the base.
Preferably, the outer surface of one side of the butt joint hard pipe is fixedly connected with the outer surface of one side of the side hole, the outer surface of the other side of the butt joint hard pipe is fixedly connected with the outer surface of one side of the hose, the outer surface of one side of the joint column is fixedly connected with the outer surface of one side of the spiral thread, and the outer surface of the other side of the spiral thread is fixedly connected with the outer surface of one side of the movable rubber strip.
Preferably, the outer surface of the lower end of the ejector block is fixedly connected with the outer surface of one side of the connecting plate, the outer surface of the lower end of the connecting plate is movably connected with the outer surface of one end of the spring tube, and the outer surface of the other end of the spring tube is detachably connected with the outer surface of the upper end of the base.
Preferably, the main body is fixedly connected with the porous infusion joint, and the spiral sealing device is fixedly connected with the channel.
Preferably, the piston device is movably connected with the main body, and the internal thread is fixedly connected with the piston device.
Compared with the prior art, the beneficial effects of the utility model are that: the disposable needleless positive pressure joint is in a closed state under the condition that no connecting piece is connected with the positive pressure joint, the sterile state is kept, the positive end of the joint can be randomly connected with ports needing a heparin cap end socket, such as a peripheral vein, a central vein, an indwelling needle, a three-way valve and the like, the negative end can be connected with and locks an injector, an infusion device and other treatment tasks, a plurality of holes can be reserved through the arranged porous infusion joint, the spiral sealing device and the piston device to be connected with infusion, other holes can still keep normal operation of infusion when one hole is blocked, dangerous conditions such as thrombus blockage, blood backflow and the like are avoided, the positive pressure joint has better sealing performance, the sterile state can be kept until the use is unsealed through double sealing of the rubber strips, the disposable use is more sanitary and safe, and safety accidents such as blood backflow and the like can be avoided through the spring tube in the movable piston device, meanwhile, the sealing performance is enhanced, and the using effect and the safety are improved.
Drawings
FIG. 1 is a schematic view of the overall analysis structure of the present invention;
FIG. 2 is a schematic view of the multi-hole infusion joint of the present invention;
FIG. 3 is a schematic view of the spiral sealing device of the present invention;
fig. 4 is a schematic view of the piston device of the present invention.
In the figure: 1. the infusion set comprises a main body, 2, a porous infusion connector, 201, a butt-joint hard tube, 202, a side hole, 203, a hose, 3, a channel, 4, a spiral sealing device, 401, an interface column, 402, a spiral thread, 403, a movable rubber strip, 5, a pressure cavity, 6, a piston device, 601, a top block, 602, a connecting plate, 603, a spring tube, 604, a base, 7 and internal threads.
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.
Referring to fig. 1-4, the present invention provides a technical solution: disposable needleless malleation connects, including main part 1, the upper end surface of main part 1 is provided with porous infusion and connects 2, porous infusion connects 2 including butt joint hard tube 201, side opening 202, hose 203, one side surface of porous infusion and connects 2 is provided with passageway 3, one side surface of passageway 3 is provided with spiral sealing device 4, spiral sealing device 4 includes interface post 401, spiral line 402, movable rubber strip 403, one side surface of main part 1 is provided with pressure chamber 5, one side surface of pressure chamber 5 is provided with piston device 6, piston device 6 includes kicking block 601, connecting plate 602, spring tube 603, base 604, piston device 6's lower extreme surface is provided with internal thread 7. The docking hard pipe 201 is located on the outer surface of one side of the side hole 202, the side hole 202 is located on the outer surface of the upper end of the docking hard pipe 201, the hose 203 is located on the outer surface of one end of the docking hard pipe 201, the interface column 401 is located on the outer surface of one side of the spiral thread 402, the spiral thread 402 is located on the outer surface of one side of the movable rubber strip 403, and the use is safer. The top block 601 is positioned on the outer surface of one side of the connecting plate 602, the connecting plate 602 is positioned on the outer surface of one end of the spring tube 603, and the spring tube 603 is positioned on the outer surface of one side of the base 604, so that the double-sealing sterility is better. The outer surface of one side of the butt joint hard pipe 201 is fixedly connected with the outer surface of one side of the side hole 202, the outer surface of the other side of the butt joint hard pipe 201 is fixedly connected with the outer surface of one side of the hose 203, the outer surface of one side of the interface column 401 is fixedly connected with the outer surface of one side of the spiral thread 402, the outer surface of the other side of the spiral thread 402 is fixedly connected with the outer surface of one side of the movable rubber strip 403, and blood backflow is avoided due to good sealing performance. The outer surface of the lower end of the top block 601 is fixedly connected with the outer surface of one side of the connecting plate 602, the outer surface of the lower end of the connecting plate 602 is movably connected with the outer surface of one end of the spring tube 603, the outer surface of the other end of the spring tube 603 is detachably connected with the outer surface of the upper end of the base 604, and the disposable. Piston device 6 and main part 1 swing joint, internal thread 7 and piston device 6 fixed connection, great improvement the result of use.
The working principle is as follows: the utility model comprises a main body 1, a porous infusion joint 2, a butt joint hard tube 201, a side hole 202, a hose 203, a channel 3, a spiral sealing device 4, an interface column 401, spiral veins 402, a movable rubber strip 403, a pressure cavity 5, a piston device 6, a top block 601, a connecting plate 602, a spring tube 603, a base 604, an internal thread 7 and other parts, wherein the main body 1, the channel 3 and the spiral sealing device 4 are firstly installed by a fixed installation method and a connecting structure, then the pressure cavity 5, the piston device 6 and the internal thread 7 are installed and fixed, when in use, the spiral sealing device 4 is firstly opened, then a butt joint part is connected with the porous infusion joint 2 through the channel 3, the interface column 401 is fixedly connected with the butt joint part, the spiral veins 402 and the movable rubber strip 403 are fixed sealing structures, double-layer sealing is realized, the cleanness and sanitation of the disposable positive pressure joint are ensured, the butt joint, the pressure chamber 5 is pressed to move the piston device 6, the top block 601 is pressed by the upper pressure and is transmitted to the spring tube 603 through the connecting plate 602, the top block moves downwards through the base 604 during resealing, the other end of the positive pressure joint is connected with the butt-joint part through the internal thread 7, and the good sealing performance prevents the occurrence of the events such as blood backflow and the like.
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 (7)

1. Disposable needleless malleation connects, including main part (1), its characterized in that: the outer surface of the upper end of the main body (1) is provided with a porous infusion joint (2), the porous infusion joint (2) comprises a butt joint hard tube (201), a side hole (202) and a hose (203), a channel (3) is arranged on the outer surface of one side of the porous infusion joint (2), a spiral sealing device (4) is arranged on the outer surface of one side of the channel (3), the spiral sealing device (4) comprises an interface column (401), spiral threads (402) and a movable rubber strip (403), a pressure cavity (5) is arranged on the outer surface of one side of the main body (1), a piston device (6) is arranged on the outer surface of one side of the pressure cavity (5), the piston device (6) comprises a top block (601), a connecting plate (602), a spring tube (603) and a base (604), and the outer surface of the lower end of the piston device (6) is provided with an internal thread (7).
2. The single use needle-free positive pressure fitting according to claim 1, wherein: the butt joint hard tube (201) is located the one side surface of side opening (202), side opening (202) are located the upper end surface of butt joint hard tube (201), hose (203) are located the one end surface of butt joint hard tube (201), interface post (401) are located the one side surface of spiral line (402), spiral line (402) are located the one side surface of activity rubber strip (403).
3. The single use needle-free positive pressure fitting according to claim 1, wherein: the top block (601) is located on the outer surface of one side of the connecting plate (602), the connecting plate (602) is located on the outer surface of one end of the spring tube (603), and the spring tube (603) is located on the outer surface of one side of the base (604).
4. The single use needle-free positive pressure fitting according to claim 2, wherein: the outer surface of one side of butt joint hard tube (201) is connected with the outer surface fixed connection of one side of side opening (202), the outer surface fixed connection of one side of the opposite side of butt joint hard tube (201) and hose (203), the outer surface fixed connection of one side of interface post (401) and spiral line (402), the outer surface fixed connection of one side of the opposite side of spiral line (402) and movable rubber strip (403).
5. The single use needle-free positive pressure fitting according to claim 3, wherein: the outer surface of the lower end of the jacking block (601) is fixedly connected with the outer surface of one side of the connecting plate (602), the outer surface of the lower end of the connecting plate (602) is movably connected with the outer surface of one end of the spring tube (603), and the outer surface of the other end of the spring tube (603) is detachably connected with the outer surface of the upper end of the base (604).
6. The single use needle-free positive pressure fitting according to claim 1, wherein: the main body (1) is fixedly connected with the porous infusion joint (2), and the spiral sealing device (4) is fixedly connected with the channel (3).
7. The single use needle-free positive pressure fitting according to claim 1, wherein: the piston device (6) is movably connected with the main body (1), and the internal thread (7) is fixedly connected with the piston device (6).
CN202022195485.8U 2020-09-30 2020-09-30 Disposable needleless positive pressure joint Active CN214074512U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022195485.8U CN214074512U (en) 2020-09-30 2020-09-30 Disposable needleless positive pressure joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022195485.8U CN214074512U (en) 2020-09-30 2020-09-30 Disposable needleless positive pressure joint

Publications (1)

Publication Number Publication Date
CN214074512U true CN214074512U (en) 2021-08-31

Family

ID=77442526

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022195485.8U Active CN214074512U (en) 2020-09-30 2020-09-30 Disposable needleless positive pressure joint

Country Status (1)

Country Link
CN (1) CN214074512U (en)

Similar Documents

Publication Publication Date Title
CN203971057U (en) A kind of remaining needle
CN201783060U (en) Venous indwelling needle with needle-free positive-pressure joint
CN203342135U (en) Multifunctional indwelling needle
CN214074512U (en) Disposable needleless positive pressure joint
CN107096112A (en) A kind of indwelling emergency treatment conduit thrombosis prevention device
CN203971056U (en) A kind of remaining needle
CN202682450U (en) Positive pressure joint capable of medicating without using needle
CN104606739A (en) Anti-thrombotic safety cap for venous indwelling needle and using method thereof
CN201182826Y (en) H type safe artery and vein lien needle with non-needle connector positive-pressure enclosed valve
CN107684644A (en) It is pre- to rush formula flushing syringe infusion pump combination bag
CN204411414U (en) The anti-blood of a kind of venous detaining needle fastens safety head
CN217311323U (en) Drainage catheter and device are washed in abscess integration
CN204050514U (en) A kind of venous detaining needle
CN214911612U (en) Needleless airtight connecting piece
CN209865029U (en) Intensive care sampling device
CN211409280U (en) Arteriovenous puncture needle
CN211383152U (en) Butterfly type anti-reflux needle-free quick connection indwelling needle
CN211536208U (en) Three-way joint
CN209771004U (en) Anti-mixing medicine injection channel
CN211068436U (en) Novel multifunctional remaining needle
CN208511713U (en) The three-way cock of the dedicated feasible vacuum suction of urinary catheter
CN215351218U (en) Y-shaped positive-pressure needle-free infusion joint
CN219501720U (en) Self-exhaust indwelling needle
CN213099954U (en) Transfusion system with tube sealing liquid
CN215585047U (en) Y-shaped medicine adding piece

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant