CN211986493U

CN211986493U - Prevent blockking up puncture and wash syringe

Info

Publication number: CN211986493U
Application number: CN201821484161.2U
Authority: CN
Inventors: 乔楠
Original assignee: Nantong Hospital Of Traditional Chinese Medicine
Current assignee: Nantong Hospital Of Traditional Chinese Medicine
Priority date: 2018-09-12
Filing date: 2018-09-12
Publication date: 2020-11-24
Anticipated expiration: 2028-09-12

Abstract

The utility model provides an anti-clogging puncture flushing injector, which comprises a needle head and a needle cylinder; the needle head comprises a needle tip part and a needle tube part which are integrally formed; the needle tip part is provided with a needle tip, and the needle tip is integrally formed and arranged right above the center of the needle tube part; the needle tube part comprises an upper end cavity cylinder and a lower end cavity cylinder which are communicated with each other, the diameter of the lower end cavity cylinder is larger than that of the upper end cavity cylinder, the upper end of the upper end cavity cylinder is arranged in an open mode, the lower end of the lower end cavity cylinder is arranged in an open mode, a baffle is integrally connected to the needle tube part in the axial direction, the baffle is a first channel and a second channel respectively, and the first channel is not communicated with the second channel; the utility model discloses when arbitrary passageway blocks up in first passageway and second passageway, need not to extract the syringe needle, can switch first passageway and second passageway between passageway and suction passageway through rotatory syringe needle, convenient to use improves medical personnel's work efficiency.

Description

Prevent blockking up puncture and wash syringe

Technical Field

The utility model belongs to the technical field of the syringe, concretely relates to prevent blockking up puncture and wash syringe.

Background

Metronidazole or normal saline is usually adopted for flushing the inflammatory abscess cavity, but inflammatory necrotic tissues often block a needle channel in the flushing process, inconvenience is brought to flushing, and the situation that injected liquid medicine cannot be sucked out is often caused clinically, so that flushing failure is caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a prevent blockking up puncture and wash syringe to solve the problem that proposes in the background art.

In order to solve the technical problem, an embodiment of the utility model provides an anti-clogging puncture flushing syringe, which is characterized by comprising a needle head and a needle cylinder, wherein a piston is connected in the needle cylinder in a sliding manner, the lower end of the piston is provided with a piston rod, and the lower end of the piston rod is provided with a handle; the needle head comprises a needle tip part and a needle tube part which are integrally formed; the needle tip part is provided with a needle tip, and the needle tip is integrally formed and arranged right above the center of the needle tube part; the needle tube part comprises an upper end cavity cylinder and a lower end cavity cylinder which are communicated with each other, the diameter of the lower end cavity cylinder is larger than that of the upper end cavity cylinder, the upper end of the upper end cavity cylinder is open, the lower end of the lower end cavity cylinder is open, a baffle is integrally connected with the needle tube part in the axial direction, two sides of the baffle are respectively provided with a first channel and a second channel, and the first channel and the second channel are not communicated with each other; the lower end of the needle tube part is rotatably connected with the needle cylinder; the baffle lower extreme is provided with the sealing strip, the baffle passes through sealing strip and cylinder sealing connection, the cylinder upper end is provided with first check valve and second check valve respectively.

Furthermore, the needle tube part is symmetrically provided with grooves at two sides of the joint of the needle tube part and the needle cylinder, the needle cylinder is symmetrically provided with sealing bulges which are hermetically connected with the grooves at two sides of the joint of the needle tube part and the needle cylinder, and the grooves are matched with the sealing bulges in shape and size.

Wherein the sealing protrusion is provided with a hemispherical structure.

The outer side of the needle cylinder is provided with a sealing ring which is connected with the needle tube part in a sealing way, and the thickness of the sealing ring is smaller than the height of the convex sealing part.

Furthermore, the outside of the lower end cavity cylinder is provided with anti-skid lines.

Furthermore, the plurality of needle points are all arranged into a right-angled triangle structure or a cross cone structure.

Further, the first one-way valve is arranged in an upward herringbone structure, and a liquid outlet hole is formed in the highest point of the first one-way valve; the second one-way valve is arranged in a downward herringbone structure, and a liquid outlet hole is formed in the position of the lowest point of the second one-way valve; the first one-way valve and the second one-way valve are both made of silica gel.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: the needle point of the utility model is positioned in the center, a baffle is arranged in the needle tube part, the needle tube part is divided into a first channel and a second channel, the lower end of the baffle is connected with the upper end of the needle tube in a sealing way and can rotate; when the injection valve is used, when the piston is pushed in, the first channel or the second channel communicated with the first one-way valve is injected; when the piston is pulled out, the first channel or the second channel communicated with the second one-way valve is sucked out; when the channel to be sucked is blocked, the needle cylinder is rotated, the first one-way valve and the second one-way valve rotate 180 degrees, the channel is converted into a sucking channel, the sucking channel is converted into a channel, the blockage is removed, and the device is continuously used; when any channel of the first channel and the second channel is blocked, the needle head does not need to be pulled out, the first channel and the second channel can be switched between the channel and the suction channel by rotating the needle cylinder, the use is convenient, and the working efficiency of medical workers is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a needle tip in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a first check valve or a second check valve according to embodiment 2 of the present invention;

FIG. 4 is a top view of FIG. 3;

fig. 5 is an enlarged view of the structure of part a in fig. 1.

Description of reference numerals: 1. a needle tip; 2. a needle tube portion; 21. a cylinder with a cavity at the upper end; 22. a cylinder with a cavity at the lower end; 3. a needle cylinder; 4. a piston; 5. a piston rod; 6. a handle; 7. a baffle plate; 8. a first channel; 9. a second channel; 10. a sealing strip; 11. a first check valve; 12. a second one-way valve; 13. an annulus; 14. a valve; 15. a valve ridge; 16. sealing the protrusion; 17. and (5) sealing rings.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", 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. 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted 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.

Example 1

As shown in fig. 1, the anti-clogging puncture flushing syringe comprises a needle head and a needle cylinder 3, wherein a piston 4 is connected in the needle cylinder 3 in a sliding manner, a piston rod 5 is arranged at the lower end of the piston 4, and a handle 6 is arranged at the lower end of the piston rod 5; the needle head comprises a needle tip part and a needle tube part 2 which are integrally formed; the needle tip part is provided with a needle point 1, and the needle point 1 is integrally formed and arranged right above the center of the needle tube part 2; the needle tube part 2 comprises an upper end cavity cylinder 21 and a lower end cavity cylinder 22 which are communicated with each other, the diameter of the lower end cavity cylinder 22 is larger than that of the upper end cavity cylinder 21, the upper end of the upper end cavity cylinder 21 is arranged in an open mode, the lower end of the lower end cavity cylinder 22 is arranged in an open mode, a baffle 7 is integrally connected to the needle tube part 2 in the axial direction, two sides of the baffle 7 are respectively provided with a first channel 8 and a second channel 9, and the first channel 8 and the second channel 9 are not communicated with each other; the lower end of the needle tube part 2 is rotatably connected with the needle cylinder 3; the lower end of the baffle 7 is provided with a sealing strip 10, the baffle 7 is connected with the upper end of the needle cylinder 3 in a sealing way through the sealing strip 10, and the upper end of the needle cylinder 3 is respectively provided with a first one-way valve 11 and a second one-way valve 12. Possibly, before use, the first channel 8 and the second channel 9 are firstly sucked with a nitroforma file for irrigation or normal saline, so as to reduce air entering the pustule cavity; optionally, the first one-way valve 11 and the second one-way valve 12 are both made of silica gel, so that when the baffle 7 rotates relative to the needle cylinder 3, the silica gel can deform without hindering rotation; the needle point of the utility model is positioned in the center, a baffle 7 is arranged in the needle tube part 2, the needle tube part 2 is divided into a first channel 8 and a second channel 9, the upper end of the needle tube 3 is connected in a sealing way through the lower end of the baffle 7 and can rotate; when the piston is used, when the piston 4 is pushed in, the first one-way valve 11 is communicated with the first channel 8 or the second channel 9 for injection; when the piston 4 is pulled out, the first channel 8 or the second channel 9 communicated with the second one-way valve 12 is sucked out; when blocking in the channel of suction, the rotary needle cylinder rotates, the first one-way valve 11 and the second one-way valve 12 rotate 180 degrees, the functions of the first channel 8 and the second channel 9 are converted, namely the channel is converted into the suction channel, the suction channel is converted into the channel, the blockage is removed, the needle head is not required to be pulled out, the use is convenient, and the working efficiency of medical staff is improved.

In a further embodiment, as shown in fig. 5, the needle tube part 2 is fixedly sleeved with the needle cylinder 3 or fixedly connected with the needle cylinder 3 through a screw thread, grooves are symmetrically arranged on two sides of the joint of the needle tube part 2 and the needle cylinder 3, sealing protrusions 16 which are hermetically connected with the grooves are symmetrically arranged on two sides of the joint of the needle cylinder 3 and the needle tube part 2, and the grooves are matched with the sealing protrusions 16 in shape and size. Wherein the sealing protrusion 16 is provided with a hemispherical structure. Wherein, the outer side of the needle cylinder 3 is provided with a sealing ring 17 which is connected with the needle tube part 2 in a sealing way, and the thickness of the sealing ring 17 is less than the protruding height of the sealing bulge. The utility model discloses a both sides at 2 symmetries of needle tubing portion are provided with the recess, are provided with sealed arch 16 in the symmetry both sides of cylinder 3, can realize that cylinder 3 and needle tubing portion 2 are 180 degrees rotations relatively and sealed no-leakage effect.

In a further embodiment, the needle cylinder 3 is manually rotated by a medical worker to rotate the needle cylinder 3 by 180 degrees relative to the needle head, the lower cavity cylinder 21 is provided with anti-slip lines on the outside, and the needle cylinder 3 is rotated by holding the outside of the lower cavity cylinder 21.

In a further embodiment, a plurality of the needle tips 1 are arranged in a right-angled triangle structure or a cross-shaped cone structure, and a top view of the needle tips of the cross-shaped cone structure is shown in fig. 2.

In a further embodiment, the first one-way valve 11 is arranged in an upward herringbone structure, and a liquid outlet hole is arranged at the highest point of the herringbone structure; the second one-way valve 12 is arranged in a downward herringbone structure, and a liquid outlet hole is formed in the position of the lowest point of the second one-way valve; the first one-way valve 11 and the second one-way valve 12 are both made of silica gel; a sealing plate is integrally formed above the needle cylinder 3, holes for mounting the first check valve 11 and the second check valve 12 are formed in the upper end of the sealing plate, and the first check valve 11 and the second check valve 12 are bonded and fixed by silica gel and plastic cement; or, two fixing plates are integrally formed at the upper end of the needle cylinder 3, two sides of the two fixing plates are respectively provided with a hole for installing the first check valve 11 and the second check valve 12, and the first check valve 11 and the second check valve 12 are hermetically connected between the two fixing plates. In the invention, when the piston 4 is pushed, liquid in the needle cylinder 3 moves to the first one-way valve 11 and the second one-way valve 12 under the pushing action, the liquid outlet hole of the first one-way valve 11 is opened under the liquid pressure, the liquid circulates to realize the flow of the needle cylinder 3 to the needle tube part 2, the liquid outlet hole of the silica gel with the herringbone structure of the second one-way valve 12 is closed under the liquid pressure, and the liquid cannot circulate; when the piston 4 is pulled, pus in the human body of the needle tube part 2 pushes open the liquid outlet hole of the second one-way valve 12 under the suction force of the piston and flows out, and when passing through the first one-way valve 11, the pus passes through the silica gel of the first one-way valve 11 to play a role in sealing, the liquid outlet hole of the first one-way valve 11 is closed, and liquid cannot flow into the needle cylinder 3 through the first one-way valve 11.

The utility model discloses a use: firstly, sucking a medicine for flushing into a needle cylinder 3 and a needle head of the syringe, placing a needle point 1 into a position of a human body pus cavity, pushing a piston 4, placing the medicine in the needle cylinder 3 into the position of the human body pus cavity through a first one-way valve 11 for flushing, and pulling the piston 4 to suck dirt in the pus cavity into the needle cylinder 3 through a second one-way valve 12 after flushing; when the inflammatory necrotic tissues block the first channel 8 or the second channel 9, the needle cylinder 3180 degrees is rotated to replace the positions of the first one-way valve 11 and the second one-way valve 12, and the dirt is sucked out through the other unblocked channel, so that the use is convenient.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An anti-clogging puncture flushing syringe is characterized by comprising a needle head and a syringe barrel, wherein a piston is connected in the syringe barrel in a sliding manner, the lower end of the piston is provided with a piston rod, and the lower end of the piston rod is provided with a handle; the needle head comprises a needle tip part and a needle tube part which are integrally formed; the needle tip part is provided with a needle tip, and the needle tip is integrally formed and arranged right above the center of the needle tube part; the needle tube part comprises an upper end cavity cylinder and a lower end cavity cylinder which are communicated with each other, the diameter of the lower end cavity cylinder is larger than that of the upper end cavity cylinder, the upper end of the upper end cavity cylinder is open, the lower end of the lower end cavity cylinder is open, a baffle is integrally connected with the needle tube part in the axial direction, two sides of the baffle are respectively provided with a first channel and a second channel, and the first channel and the second channel are not communicated with each other; the lower end of the needle tube part is rotatably connected with the needle cylinder; the baffle lower extreme is provided with the sealing strip, the baffle passes through sealing strip and cylinder sealing connection, the cylinder upper end is provided with first check valve and second check valve respectively.

2. The anti-clogging piercing and flushing syringe as claimed in claim 1, wherein said syringe portion is symmetrically provided with a groove on both sides of the junction with the syringe barrel, said syringe barrel is symmetrically provided with a sealing protrusion in sealing connection with the groove on both sides of the junction with the syringe barrel, and said groove and sealing protrusion are matched in shape and size.

3. An anti-clogging piercing flush syringe according to claim 2 wherein said sealing boss is provided with a hemispherical structure.

4. The anti-clogging piercing and flushing syringe as claimed in claim 2, wherein the outside of said barrel has a sealing ring sealingly connected to the barrel portion, said sealing ring having a thickness less than the projection height of the sealing projection.

5. The anti-clogging piercing and flushing syringe of claim 1 wherein the exterior of said lower cavity cylinder is provided with anti-slip threads.

6. The anti-clogging piercing and flushing syringe of claim 1 wherein said plurality of needle tips are disposed in a right triangle configuration or a cross-tapered configuration.

7. The anti-clogging piercing and flushing syringe of claim 1, wherein said first one-way valve is disposed in an upward chevron configuration with a liquid outlet at its highest point; the second one-way valve is arranged in a downward herringbone structure, and a liquid outlet hole is formed in the position of the lowest point of the second one-way valve; the first one-way valve and the second one-way valve are both made of silica gel.