CN111359057A

CN111359057A - Medical degerming syringe needle

Info

Publication number: CN111359057A
Application number: CN202010204765.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Zheng Yueliang
Current assignee: Zheng Yueliang
Priority date: 2020-03-22
Filing date: 2020-03-22
Publication date: 2020-07-03

Abstract

The invention provides a medical degerming injection needle. The invention comprises an injection tube, an injection needle head and an injection push rod arranged in the injection tube, wherein a rubber plug is arranged at the end part of the injection push rod, a fixed sleeve is arranged at the end part of the injection tube, a connecting sleeve is arranged on the injection needle head and can be sleeved on the fixed sleeve, the injection needle head also comprises a fixed ring, a movable ring and a disinfection piece, the movable ring is positioned at one side of the fixed ring, which is far away from the injection needle head, a disinfection soft sleeve is arranged between the fixed ring and the movable ring, a liquid inlet hole is arranged on the movable ring, the disinfection soft sleeve is communicated with the outside through the liquid inlet hole, a rubber layer is arranged in the liquid inlet hole, the disinfection piece. The medical needle can not only disinfect the inner side and the outer side of the injection needle, but also can wash and disinfect the outer surface of the injection needle without contacting with disinfectant for medical staff, thereby protecting the hands of the medical staff.

Description

Medical degerming syringe needle

Technical Field

The invention relates to a medical injection device, in particular to a medical degerming injection needle.

Background

The medical injector generally comprises an injection tube and an injection push rod arranged in the injection tube, wherein the end part of the injection push rod is provided with a rubber plug, the periphery of the rubber plug is abutted against the inner wall of the injection tube, and the end part of the injection tube is provided with an injection needle head; by pushing and pulling the syringe, the injection liquid can be sucked into the syringe or ejected from the injection needle.

Before actual injection, medical personnel usually push an injection push rod in advance, so that liquid medicine in the injection tube flows through the interior of the injection needle head and is finally ejected out, and on one hand, air residues in the injection tube can be removed; on the other hand, the bacteria in the injection needle can be prevented; in the middle of the reality, in the middle of the outside direct exposure of syringe needle is in the air, and bacterium, dust in the air all can be stained with the surface of syringe needle, for bacterium, the dust that reduces the outside of syringe needle and be stained with, medical personnel need hand aseptic cotton, and aseptic cotton cleans syringe needle surface, but medical personnel's hand contacts the aseptic cotton repeatedly for a long time, and the antiseptic solution can produce the injury to medical personnel's hand.

Disclosure of Invention

In view of the above, the present invention is to provide a medical degerming injection needle, which can wash and disinfect the outer surface of the injection needle without the medical staff touching the disinfectant, so as to protect the hands of the medical staff.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a medical degerming injection needle comprises an injection tube, an injection needle head and an injection push rod arranged in the injection tube, wherein the end part of the injection push rod is provided with a rubber plug, the periphery of the rubber plug is abutted against the inner wall of the injection tube, the end part of the injection tube is provided with a fixed sleeve, the injection needle head is provided with a connecting sleeve, the connecting sleeve can be sleeved on the fixed sleeve,

still including solid fixed ring, shift ring, disinfection spare, gu fixed ring, both covers of shift ring locate the outside of injection tube and can slide along the length direction of injection tube, the shift ring is located the one side that solid fixed ring deviates from the syringe needle, gu be equipped with the soft cover of disinfection between fixed ring and the shift ring, be equipped with the feed liquor hole on the shift ring, the soft cover of disinfection communicates in the outside through the feed liquor hole, the downthehole rubber layer that is equipped with of feed liquor, the disinfection spare is connected in the injection tube, be equipped with the disinfection passageway in the disinfection spare, disinfection passageway one end is passed through the disinfection pipe and is docked in the soft cover of disinfection, the other end of disinfection passageway is equipped with the liquid outlet, the.

Through the technical scheme, the disinfection solution is filled into the disinfection soft sleeve in advance, when the disinfection needle is needed to be used, on one hand, according to the fact that medical personnel usually push the injection push rod in advance, liquid medicine in the injection tube can flow through the interior of the injection needle head and is finally sprayed out, so that dust and bacteria in the interior of the injection needle head can be removed; on the other hand, the medical staff holds the fixed ring by one hand and pushes the movable ring by the other hand, the movable ring and the fixed ring generate extrusion action on the disinfection soft sleeve, the disinfectant in the disinfection soft sleeve sequentially enters the disinfection tube and the disinfection channel and then is sprayed out from the liquid outlet, and the disinfectant can be directly sprayed to the outer side of the injection needle, so that dust and bacteria outside the injection needle are removed; in the above-mentioned operation process, can not only disinfect to the inside and outside both sides of syringe needle, medical personnel need not to contact the antiseptic solution moreover, can wash the disinfection to syringe needle surface, and then protect medical personnel's hand.

Preferably, a one-way valve is arranged in the liquid inlet and used for limiting the overflow of disinfectant in the soft disinfection sleeve, and the rubber layer is positioned on one side of the one-way valve, which deviates from the soft disinfection sleeve.

By the technical scheme, when disinfectant is required to be added, the disinfectant can enter the disinfection soft sleeve through the one-way valve; when the movable ring is pushed, the one-way valve can limit the disinfectant in the disinfection soft sleeve to flow out of the liquid inlet hole.

Preferably, the sterilizing part comprises a clamping arm, the clamping arm is provided with a driving end, a hinge point and a clamping end, the driving end and the clamping end are located at two ends of the clamping arm, the hinge point is located between the driving end and the clamping end, and the clamping arm is hinged to the outer cylinder wall of the injection cylinder through the hinge point;

still include solid fixed ring, gu fixed ring cover locates the outside of injection tube and can slide along the length direction of injection tube, gu fixed ring can offset in the drive end, gu fixed ring can promote the centre gripping arm and rotate around the pin joint, just the last exposed core of centre gripping arm can compress tightly the adapter sleeve on the fixed cover.

Through the technical scheme, when the injection needle head needs to be installed on the fixing sleeve of the injection tube, the connecting sleeve can be aligned to the fixing sleeve firstly, the fixing ring moves towards the direction of the clamping arm along the length direction of the injection tube, the fixing ring abuts against the driving end, the clamping arm rotates around the hinge point, the clamping end of the clamping arm can press the connecting sleeve on the fixing sleeve, the injection needle head is stably fixed on the injection tube, and medical personnel can stably use the injection needle to inject;

after injection is completed, the injection needle is stained with liquid medicine, medical personnel can move the fixing ring along the length direction of the injection tube to the direction departing from the clamping arm, the fixing ring can be separated from the driving end, the clamping arm loses the interference effect of the fixing ring, and the clamping end of the clamping arm can be easily separated from the fixing sleeve; in the process, the medical staff does not need to touch the injection needle, and the hands of the medical staff can be effectively prevented from being stained with the liquid medicine of the injection needle.

Preferably, the number of the clamping arms is more than two, all the clamping arms are circumferentially distributed along the injection needle, and the clamping ends of all the clamping arms can simultaneously abut against the connecting sleeve.

Through the technical scheme, the clamping ends of the plurality of clamping arms can directly compress a single connecting sleeve, so that the connecting stability between the connecting sleeve and the fixed sleeve is further improved; in addition, the same fixing ring can simultaneously generate a triggering effect on a plurality of clamping arms, and the operation difficulty is small;

in addition, the liquid outlets on the plurality of clamping arms can simultaneously spray out disinfectant, so that a more uniform disinfection effect can be generated on the injection needle.

Preferably, the syringe further comprises a mounting seat, the number of the mounting seat is consistent with that of the clamping arms, the clamping arms are hinged to the mounting seat through hinge points, and the mounting seat is detachably connected to the syringe through screws.

Through above-mentioned technical scheme, centre gripping arm and mount pad can be dismantled from the injection tube, then disinfect and recycle, effective resources are saved.

Preferably, the fixed ring is provided with a push block, the number of the push block is consistent with that of the clamping arms, the push block and the clamping arms are arranged in a one-to-one correspondence mode, a first inclined plane is arranged at the end portion of the push block, the thickness of the push block provided with the first inclined plane is smaller as the push block is closer to the driving end, the first inclined plane of the push block can abut against the driving end, and the clamping end of the clamping arm presses the connecting sleeve on the fixed sleeve.

Through the technical scheme, when the connecting sleeve needs to be tightly pressed on the fixing sleeve, the fixing ring can move towards the direction of the injection needle head, the first inclined plane at the end part of the push block can gradually abut against the driving end, so that the clamping arm is gradually pushed to turn over around the hinged point, the clamping end on the clamping arm can abut against the connecting sleeve, and the connecting sleeve is tightly pressed on the fixing sleeve; in addition, the thickness of the push block provided with the first inclined plane is smaller as the push block is closer to the driving end, and the first inclined plane can enter between the driving end and the outer cylinder wall of the injection cylinder more easily.

Preferably, the outer cylinder wall of the injection cylinder is provided with a convex ring body, the clamping arm can abut against the convex ring body, a gap is reserved between the clamping arm provided with the first inclined plane and the outer cylinder wall of the injection cylinder, and the gap is used for the insertion of the first inclined plane at the end part of the push block.

Through above-mentioned technical scheme, the clearance between centre gripping arm and the injection tube urceolus wall, first inclined plane can insert in the clearance more easily to promote whole centre gripping arm to rotate around the pin joint.

Preferably, after the first inclined plane of the push block is inserted into the gap, the end of the push block is used for abutting against the convex ring body.

Through above-mentioned technical scheme, after the exposed core that has first inclined plane enters into the clearance, until exposed core and bulge loop body inconsistent to produce the location effect to solid fixed ring.

Preferably, be equipped with the second inclined plane on the drive end, the drive end thickness that is provided with the second inclined plane reduces along deviating from pin joint one side gradually, be equipped with the mounting groove on solid fixed ring's the interior anchor ring, the quantity of mounting groove is unanimous with the quantity of centre gripping arm, the one-to-one sets up between mounting groove and the centre gripping arm, the groove wall of mounting groove can produce the extrusion with the second inclined plane, and the exposed core of centre gripping arm breaks away from mutually this moment and connecting sleeve.

Through above-mentioned technical scheme, when needs take off injection needle from the injection tube, rotatable solid fixed ring, mounting groove on the solid fixed ring is relative with the drive end of centre gripping arm, medical personnel promote solid fixed ring and remove toward injection needle direction, mounting groove on the solid fixed ring can progressively contact with the drive end that is provided with the second inclined plane gradually, the centre gripping arm can rotate round the pin joint, the last exposed core of centre gripping arm can take place to break away from with the adapter sleeve, at this moment, injection needle can directly break away from the injection tube.

Drawings

FIG. 1 is a first schematic structural diagram of an embodiment;

FIG. 2 is a second schematic structural diagram of the embodiment;

FIG. 3 is a schematic structural view of the retaining ring;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is an enlarged view of a portion B of fig. 2.

Reference numerals: 1. an injection tube; 2. an injection needle; 3. an injection push rod; 4. a rubber plug; 5. fixing a sleeve; 6. connecting sleeves; 7. a clamp arm; 71. a driving end; 72. a hinge point; 73. a clamping end; 8. a fixing ring; 9. salient points; 10. a concave ring; 11. a push block; 12. a first inclined plane; 13. a convex ring body; 14. a gap; 15. a second inclined plane; 16. mounting grooves; 17. a mounting seat; 18. a sterilizing element; 19. a moving ring; 20. sterilizing the soft sleeve; 21. a liquid inlet hole; 22. a disinfection channel; 23. a liquid outlet; 24. a one-way valve; 25. sterilizing the tube; 26. a rubber layer.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-5 to make the technical solution of the present invention easier to understand and grasp.

The utility model provides a medical degerming syringe needle, includes injection tube 1, syringe needle 2, installs injection push rod 3 in injection tube 1, and rubber buffer 4 is installed to injection push rod 3's tip, and rubber buffer 4 periphery is inconsistent with the inner tube wall of injection tube 1.

The end part of the injection tube 1 is provided with a fixed sleeve 5, the injection needle 2 is provided with a connecting sleeve 6, the connecting sleeve 6 can be sleeved on the fixed sleeve 5, and a clearance 14 matching mode is adopted between the connecting sleeve 6 and the fixed sleeve 5.

Still including solid fixed ring 8, shift ring 19, disinfection piece 18, gu fixed ring 8, shift ring 19 both are the ring shape, gu fixed ring 8, shift ring 19 both all overlap the outside of locating injection tube 1 and can slide along the length direction of injection tube 1, shift ring 19 is located solid fixed ring 8 and deviates from one side of injection syringe needle 2, gu be equipped with disinfection soft cover 20 between fixed ring 8 and the shift ring 19, disinfection soft cover 20 selects for use the bellows sleeve optimally.

The movable ring 19 is provided with a liquid inlet hole 21, the soft disinfection sleeve 20 is communicated with the outside through the liquid inlet hole 21, a rubber layer 26 and a one-way valve 24 are arranged in the liquid inlet hole 21, the rubber layer 26 is positioned on one side of the one-way valve 24, which is far away from the soft disinfection sleeve 20, and the one-way valve 24 is used for limiting the overflow of disinfectant in the soft disinfection sleeve 20.

Wherein, disinfection piece 18 includes centre gripping arm 7, and the quantity of centre gripping arm 7 is more than two, and all centre gripping arms 7 carry out the circumference along injection needle 2 and distribute. Each clamping arm 7 is internally provided with a disinfection channel 22, one end of the disinfection channel 22 is butted with the soft disinfection sleeve 20 through a disinfection tube 25, the other end of the disinfection channel 22 is provided with a liquid outlet 23, and the liquid outlet 23 faces the injection needle 2.

Each clamping arm 7 is provided with a driving end 71, a hinge point 72 and a clamping end 73, the driving end 71 and the clamping end 73 are located at two ends of the clamping arm 7, the hinge point 72 is located between the driving end 71 and the clamping end 73, the clamping arm 7 is hinged to the outer cylinder wall of the injection cylinder 1 through the hinge point 72, and the rotating axis of the clamping arm 7 is perpendicular to the length direction of the injection cylinder 1. The clamping end 73 is provided with a convex point 9, the connecting sleeve 6 is provided with a concave ring 10, the concave ring 10 is annular, the center of the concave ring 10 is concentric with the center of the injection needle 2, and the convex point 9 can be abutted against the concave ring 10 of the connecting sleeve 6.

Still include mount pad 17, the quantity of mount pad 17 is unanimous with the quantity of centre gripping arm 7, and centre gripping arm 7 articulates on mount pad 17 through pin joint 72, and mount pad 17 passes through the screw can dismantle to be connected on injection tube 1.

Be equipped with annular solid fixed ring 8 of circle on injection tube 1 lateral wall, gu fixed ring 8 can slide along the length direction of injection tube 1, gu be equipped with ejector pad 11 on the fixed ring 8, the quantity of ejector pad 11 is unanimous with the quantity of centre gripping arm 7, one-to-one sets up between ejector pad 11 and the centre gripping arm 7, ejector pad 11 tip is equipped with first inclined plane 12, the ejector pad 11 thickness that is provided with first inclined plane 12 is more close to drive end 71 and is less, the first inclined plane 12 of ejector pad 11 can offset with drive end 71, the exposed core 73 of centre gripping arm 7 compresses tightly adapter sleeve 6 on fixed cover 5.

The outer cylinder wall of the injection cylinder 1 is provided with a convex ring body 13, the clamping arm 7 can abut against the convex ring body 13, a gap 14 is reserved between the clamping arm 7 provided with the first inclined plane 12 and the outer cylinder wall of the injection cylinder 1, and the gap 14 is used for the insertion of the first inclined plane 12 at the end part of the push block 11. After the first inclined surface 12 of the push block 11 is inserted into the gap 14, the end of the push block 11 is used for abutting against the convex ring body 13 to define the deepest push-in position of the push block 11.

In addition, the driving end 71 is provided with a second inclined surface 15, the thickness of the driving end 71 provided with the second inclined surface 15 is gradually reduced along one side departing from the hinge point 72, the inner annular surface of the fixing ring 8 is provided with mounting grooves 16, the number of the mounting grooves 16 is consistent with that of the clamping arms 7, the mounting grooves 16 and the clamping arms 7 are arranged in a one-to-one correspondence manner, the groove walls of the mounting grooves 16 can be extruded with the second inclined surface 15, and the clamping end 73 of the clamping arm 7 is separated from the connecting sleeve 6 at the moment.

In the specific implementation process:

(1) when the injection needle 2 needs to be installed on the injection tube 1, the connecting sleeve 6 can be initially sleeved on the fixing sleeve 5, the fixing ring 8 is rotated, the push block 11 is aligned with the driving end 71 of the clamping arm 7, the fixing ring 8 is pushed to move towards the injection needle 2, the first inclined surface 12 on the push block 11 is gradually pushed into the gap 14, the first inclined surface 12 of the push block 11 can abut against the driving end 71 of the clamping arm 7 until the end part of the push block 11 abuts against the convex ring body 13, at the moment, the clamping arm 7 can rotate around the hinge point 72, the convex point 9 on the clamping end 73 of the clamping arm 7 can be embedded with the concave ring 10, and the connecting sleeve 6 of the injection needle 2 can be stably installed on the fixing sleeve 5;

then when the injection needle 2 needs to be sterilized, on one hand, the medical staff usually pushes the injection push rod 3 in advance, so that the liquid medicine in the injection tube 1 flows through the inside of the injection needle 2 and is finally sprayed out to remove dust and bacteria in the inside of the injection needle 2; on the other hand, the medical staff holds the fixed ring 8 with one hand and pushes the movable ring 19 with the other hand, the movable ring 19 and the fixed ring 8 generate an extrusion effect on the disinfection soft sleeve 20, the disinfection liquid in the disinfection soft sleeve 20 sequentially enters the disinfection tube 25 and the disinfection channel 22 and then is sprayed out from the liquid outlet 23, the disinfection liquid can be directly sprayed to the outer side of the injection needle 2, and then dust and bacteria outside the injection needle 2 are removed.

(2) When the injection needle 2 needs to be taken out of the injection tube 1, the fixing ring 8 is pushed to move in the direction away from the injection needle 2 until the push block 11 is completely separated from the driving end 71 of the clamping arm 7, the whole clamping arm 7 is in a free rotation state, and the injection needle 2 can be taken out of the injection tube 1.

(3) When needs take out syringe needle 2 from injection tube 1, also can promote solid fixed ring 8 and remove toward deviating from syringe needle 2 direction, then the solid fixed ring 8 of circumference rotation, gu fixed ring 8's mounting groove 16 aims at the drive end 71 of holding arm 7, promote solid fixed ring 8 again and remove toward syringe needle 2 direction, gu fixed ring 8's mounting groove 16 progressively enters into the drive end 71 that is provided with second inclined plane 15 in, gu fixed ring 8's mounting groove 16 can compress tightly drive end 71 on bulge loop body 13, bump 9 on the tip 73 can separate with concave ring 10, and the distance between the tip 73 of holding arm 7 is great, not only be convenient for syringe needle 2 takes off from injection tube 1, and be convenient for install syringe needle 2 on the installation section of thick bamboo.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. The utility model provides a medical degerming syringe needle, includes injection tube (1), syringe needle (2), installs injection push rod (3) in injection tube (1), and rubber buffer (4) are installed to the tip of injection push rod (3), and rubber buffer (4) periphery is inconsistent with the inner tube wall of injection tube (1), and the tip of injection tube (1) is equipped with fixed cover (5), be equipped with adapter sleeve (6) on syringe needle (2), adapter sleeve (6) can cup joint on fixed cover (5), characterized by:

the injection tube is characterized by further comprising a fixing ring (8), a moving ring (19) and a disinfection part (18), wherein the fixing ring (8) and the moving ring (19) are sleeved on the outer side of the injection tube (1) and can slide along the length direction of the injection tube (1), the moving ring (19) is positioned on one side, away from the injection needle (2), of the fixing ring (8), a disinfection soft sleeve (20) is arranged between the fixing ring (8) and the moving ring (19), a liquid inlet hole (21) is formed in the moving ring (19), the disinfection soft sleeve (20) is communicated with the outside through the liquid inlet hole (21), a rubber layer (26) is arranged in the liquid inlet hole (21), the disinfection part (18) is connected to the injection tube (1), a disinfection channel (22) is arranged in the disinfection part (18), one end of the disinfection channel (22) is in butt joint with the disinfection soft sleeve (20) through a disinfection pipe (25), and a liquid outlet (23) is arranged at, the liquid outlet (23) faces the injection needle (2).

2. The medical sterile injection needle according to claim 1, wherein: the liquid inlet is internally provided with a one-way valve (24), the one-way valve (24) is used for limiting the overflow of disinfectant in the soft disinfection sleeve (20), and the rubber layer (26) is positioned on one side of the one-way valve (24) departing from the soft disinfection sleeve (20).

3. The medical sterile injection needle according to claim 2, wherein: the disinfection piece (18) comprises a clamping arm (7), a driving end (71), a hinge point (72) and a clamping end (73) are arranged on the clamping arm (7), the driving end (71) and the clamping end (73) are located at two ends of the clamping arm (7), the hinge point (72) is located between the driving end (71) and the clamping end (73), and the clamping arm (7) is hinged to the outer cylinder wall of the injection cylinder (1) through the hinge point (72);

still including solid fixed ring (8), gu fixed ring (8) cover is located the outside of injection tube (1) and can slide along the length direction of injection tube (1), gu fixed ring (8) can offset in drive end (71), gu fixed ring (8) can promote centre gripping arm (7) and rotate around pin joint (72), just hold end (73) on centre gripping arm (7) can compress tightly adapter sleeve (6) on fixed cover (5).

4. A medical sterile injection needle according to claim 3 wherein: the number of the clamping arms (7) is more than two, all the clamping arms (7) are distributed along the circumferential direction of the injection needle (2), and the clamping ends (73) of all the clamping arms (7) can simultaneously abut against the connecting sleeve (6).

5. The medical sterile injection needle according to claim 4, wherein: still include mount pad (17), the quantity of mount pad (17) is unanimous with the quantity of centre gripping arm (7), centre gripping arm (7) articulate on mount pad (17) through pin joint (72), mount pad (17) can dismantle through the screw and connect on injection cylinder (1).

6. A medical sterile injection needle according to claim 4 or 5, characterized in that: be equipped with ejector pad (11) on solid fixed ring (8), the quantity of ejector pad (11) is unanimous with the quantity of centre gripping arm (7), the one-to-one sets up between ejector pad (11) and centre gripping arm (7), ejector pad (11) tip is equipped with first inclined plane (12), and ejector pad (11) thickness that is provided with first inclined plane (12) is close to drive end (71) more and is littleer, first inclined plane (12) of ejector pad (11) can offset with drive end (71), the exposed core (73) of centre gripping arm (7) compress tightly adapter sleeve (6) on fixed cover (5).

7. The medical sterile injection needle according to claim 6, wherein: the outer cylinder wall of the injection cylinder (1) is provided with a convex ring body (13), the clamping arm (7) can be abutted against the convex ring body (13), a gap (14) is reserved between the clamping arm (7) provided with a first inclined plane (12) and the outer cylinder wall of the injection cylinder (1), and the gap (14) is used for the insertion of the first inclined plane (12) at the end part of the push block (11).

8. The medical degerming needle as claimed in claim 7, wherein: after the first inclined plane (12) of the push block (11) is inserted into the gap (14), the end part of the push block (11) is used for abutting against the convex ring body (13).

9. The medical sterile injection needle according to claim 8, wherein: be equipped with second inclined plane (15) on drive end (71), drive end (71) thickness that is provided with second inclined plane (15) reduces along deviating from pin joint (72) one side step by step, be equipped with mounting groove (16) on the interior anchor ring of solid fixed ring (8), the quantity of mounting groove (16) is unanimous with the quantity of centre gripping arm (7), the one-to-one setting between mounting groove (16) and centre gripping arm (7), the groove wall ability and the second inclined plane (15) of mounting groove (16) produce the extrusion, and the centre gripping end (73) of centre gripping arm (7) break away from mutually with adapter sleeve (6) this moment.