CN211272861U - Disposable intravenous infusion needle capable of preventing puncture - Google Patents
Disposable intravenous infusion needle capable of preventing puncture Download PDFInfo
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- CN211272861U CN211272861U CN201922387975.5U CN201922387975U CN211272861U CN 211272861 U CN211272861 U CN 211272861U CN 201922387975 U CN201922387975 U CN 201922387975U CN 211272861 U CN211272861 U CN 211272861U
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- protective sleeve
- needle
- puncture
- groove
- protrusion
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- 238000001802 infusion Methods 0.000 title claims abstract description 25
- 238000001990 intravenous administration Methods 0.000 title claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 84
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 208000036142 Viral infection Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009385 viral infection Effects 0.000 description 1
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Abstract
The utility model relates to the field of medical auxiliary equipment, and discloses a puncture-proof disposable intravenous infusion needle, which comprises a puncture needle head, a needle handle and an infusion hose, wherein the needle handle is arranged at the tail end of the puncture needle head, a handle wing is arranged on the side surface of the needle handle, the infusion hose is connected with the tail end of the needle handle and is communicated with the puncture needle head, and the infusion hose is provided with a protective sleeve which can move back and forth relative to the infusion hose; the inner diameter of the protective sleeve is larger than the maximum diameter of the section of the needle handle, the length of the protective sleeve is larger than that of the puncture needle head, and the protective sleeve comprises a first protective sleeve and a second protective sleeve; the utility model discloses a relative rotation of first lag casing and second lag casing realizes spacing to the puncture syringe needle, thereby guarantees that the syringe needle is fixed and avoids the syringe needle to stab the people in the lag casing.
Description
Technical Field
The utility model relates to the field of medical auxiliary equipment, particularly, relate to a disposable intravenous transfusion needle of preventing stabbing.
Background
Present medical field often can use disposable venous transfusion needle to carry out the infusion to the patient, and current disposable venous transfusion needle mainly comprises puncture needle head and needle handle, is equipped with the protective sheath on the puncture needle head, and during the use, medical personnel take off the protective sheath and drop, and puncture needle head often directly exposes aloft after using, because the syringe needle after the use contains bacterium and virus and syringe needle extremely acutely, very easily takes place the puncture phenomenon in daily use, leads to viral infection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a disposable intravenous infusion needle of puncture prevention, relative rotation through first lag tube and second lag tube realizes spacing to the puncture syringe needle, thereby guarantees that the syringe needle is fixed and avoids the syringe needle to puncture the people in the lag tube.
The embodiment of the utility model is realized like this: the puncture-proof disposable intravenous infusion needle comprises a puncture needle head, a needle handle and an infusion hose, wherein the needle handle is arranged at the tail end of the puncture needle head, a handle wing is arranged on the side surface of the needle handle, the infusion hose is connected to the tail end of the needle handle and communicated with the puncture needle head, and a protective sleeve capable of moving back and forth relative to the infusion hose is arranged on the infusion hose; the inner diameter of the protective sleeve is larger than the maximum diameter of the section of the needle handle, and the length of the protective sleeve is larger than that of the puncture needle head;
the protective sleeve includes first protective sleeve and second protective sleeve, the end of first protective sleeve can be dismantled with the head end of second protective sleeve and be connected, first protective sleeve and second protective sleeve can be followed the mutual location rotation of central axis, first protective sleeve is equipped with the first spout that runs through in the pipe wall of first protective sleeve, second protective sleeve is equipped with anterior segment opening rear end confined second spout, the open end and the first spout through connection of second spout, the width of first spout and second spout is greater than the thickness of handle wing, the length of second spout is greater than the width of handle wing.
Further, the second protective sleeve is equipped with the width that annular wedge groove and tank bottom are greater than the width of notch in the junction with first protective sleeve, first protective sleeve is equipped with annular connecting block in the junction with second protective sleeve, the connecting block is settled in the wedge groove, the width of connecting block is less than the top width of wedge groove, the top of connecting block is equipped with annular stopper, the narrowest width of stopper is greater than the top width of wedge groove and is less than the bottom width of wedge groove, be equipped with the spring between the bottom of stopper and wedge groove.
Furthermore, first lag tube is equipped with the cooperation groove in the one end of keeping away from the connecting block, and the top surface of first lag tube is run through to the one end in cooperation groove.
Furthermore, the number of the matching grooves is more than or equal to 2 and is distributed along the circumference of the central shaft of the first protective sleeve.
Further, the second protective sleeve is equipped with annular recess in the junction with first protective sleeve, be equipped with first arch on the inner wall of recess, first protective sleeve is equipped with annular connector and settles in the recess in the junction with second protective sleeve, the end of connector is equipped with dog and is restricted in the recess by first arch, the middle part of connector is equipped with the second arch, first arch under the butt with the dog with the protruding interference fit of second, the surface that the connector can be followed to the second protective sleeve is at the bellied side-to-side movement of second.
Further, the device also comprises a third bulge, wherein the third bulge is arranged in the groove and is opposite to the first bulge.
Furthermore, the outer surfaces of the first protective sleeve and the second protective sleeve are provided with anti-skid grains.
The utility model has the advantages that: the utility model provides a prevent disposable intravenous transfusion needle that stabs: the needle handle passes through the sliding grooves in the first protective sleeve and the second protective sleeve, and then the first protective sleeve is rotated relative to the second protective sleeve to limit the needle handle in the protective sleeve so as to protect the needle head, so that the needle head is relatively isolated from the outside and puncture is avoided; overall structure is simple practical convenient, and first lag tube and second lag tube can fix a position each other, has more improved the actual operation of whole device and has felt.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the disposable anti-puncture intravenous infusion needle according to the present invention;
FIG. 2 is another schematic view of the disposable anti-puncture intravenous infusion needle according to the present invention;
FIG. 3 is a cross-sectional view of a puncture resistant disposable IV needle provided in accordance with one embodiment;
FIG. 4 is a sectional view of the disposable IV needle for puncture prevention according to the second embodiment in a first usage state;
FIG. 5 is a sectional view of the disposable IV needle for puncture prevention according to the second embodiment in a second usage state;
in the figure: 100-puncture needle head, 200-needle handle, 210-handle wing, 300-infusion hose, 400-first protective sleeve, 410-first sliding groove, 420-matching groove, 430-connecting block, 440-limiting block, 450-stop block, 460-second projection, 470-connecting body, 500-second protective sleeve, 510-second sliding groove, 520-wedge groove, 530-spring, 540-groove, 550-first projection, 560-third projection and 600-anti-slip pattern.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The first embodiment is as follows:
referring to fig. 1 and 2, the puncture-proof disposable iv needle includes a puncture needle 100, a needle handle 200 and an infusion tube 300, wherein the needle handle 200 is disposed at the end of the puncture needle 100, a handle wing 210 is disposed at the side of the needle handle 200, and the infusion tube 300 is connected to the end of the needle handle 200 and is communicated with the puncture needle 100.
The transfusion hose 300 is provided with a protective sleeve which can move back and forth relative to the transfusion hose 300; the internal diameter of protective sheath is greater than the biggest department of needle handle 200 tangent plane diameter, guarantees that whole syringe needle can get into in the protective sheath, and the length of protective sheath is greater than the length of puncture syringe needle 100, guarantees that protective sheath can fully protect the syringe needle.
The protection sleeve comprises a first protection sleeve 400 and a second protection sleeve 500 which are connected end to end, the tail end of the first protection sleeve 400 is detachably connected with the head end of the second protection sleeve 500, and the first protection sleeve 400 and the second protection sleeve 500 can be mutually positioned and rotated along the central axis thereof, specifically, in this embodiment, as shown in fig. 3, the second protection sleeve 500 is provided with an annular wedge-shaped groove 520 at the joint with the first protection sleeve 400, the width of the groove bottom is larger than that of the groove opening, the first protection sleeve 400 is provided with an annular connecting block 430 at the joint with the second protection sleeve 500, the connecting block 430 is arranged in the wedge-shaped groove 520, the width of the connecting block 430 is smaller than that of the top of the wedge-shaped groove 520, the top of the connecting block 430 is provided with an annular limiting block 440, the narrowest width of the limiting block 440 is larger than that of the top of the wedge-shaped groove 520 and smaller than that of the bottom of the wedge-shaped groove 520, a, in this embodiment, the second protection sleeve 500 is pressed relative to the first protection sleeve 400 to enable the limiting block 440 to press the spring 530, so that the limiting block 440 enters the bottom of the wedge-shaped groove 520 to enable the first protection sleeve 400 to rotate relative to the second protection sleeve 500 around the axis of the first protection sleeve 400, when the first protection sleeve 400 is not required to rotate, the first protection sleeve 400 is loosened and not pressed, the spring 530 abuts against the limiting block 440, the limiting block 440 is enabled to be in contact with the inner wall of the wedge-shaped groove 520 through the elastic force of the spring 530, and the first protection sleeve 400 and the second protection sleeve 500 are enabled not to move relative to each other to be positioned.
The first protective sleeve 400 is provided with a first sliding groove 410 penetrating through the wall of the first protective sleeve 400, the second protective sleeve 500 is provided with a second sliding groove 510 with a front section open and a closed rear end, the open end of the second sliding groove 510 is communicated with the first sliding groove 410, the widths of the first sliding groove 410 and the second sliding groove 510 are larger than the thickness of the handle wing 210, and the length of the second sliding groove 510 is larger than the width of the handle wing 210; the needle handle 200 can slide along the first sliding groove 410 to enter the second sliding groove 510, and then the first protective sleeve 400 is rotated to limit the needle handle 200 in the second sliding groove 510, so that the puncture needle 100 is protected in the first protective sleeve 400, thereby preventing the puncture phenomenon, and further, in order to facilitate the rotation, the surfaces of the first protective sleeve 400 and the second protective sleeve 500 should be provided with anti-slip patterns 600.
Specifically, in this embodiment, as shown in fig. 2, the first protection sleeve 400 is provided with a matching groove 420 at an end away from the connection block 430, one end of the matching groove 420 penetrates through the top surface of the first protection sleeve 400, the needle handle 200 can be relatively fixed on the first protection sleeve 400 by abutting against the needle handle 200 through the matching groove 420, which is convenient for the medical care personnel to operate, the number of the matching grooves 420 is 1, of course, in other embodiments, the number of the matching grooves 420 may be greater than or equal to 2 and distributed along the circumference of the central shaft of the first protection sleeve 400, which is convenient for the medical care personnel to operate.
Example two:
the main structure of the first embodiment is the same as that of the first embodiment, and the difference is that the connection mode of the first protective sleeve 400 and the second protective sleeve 500 is different; as shown in fig. 4-5, the second protective sleeve 500 is provided with an annular groove 540 at the joint with the first protective sleeve 400, a first protrusion 550 is provided on the inner wall of the groove 540, the first protective sleeve 400 is provided with an annular connector 470 at the joint with the second protective sleeve 500, the connector 470 is disposed in the groove 540, the end of the connector 470 is provided with a stop 450, the stop 450 is limited in the groove 540 by the first protrusion 550, so as to ensure that the first protective sleeve 400 cannot be pulled out of the second protective sleeve 500, the middle of the connector 470 is provided with a second protrusion 460, the first protrusion 550 is in interference fit with the second protrusion 460 under the abutting of the stop 450, so that the first protective sleeve 400 and the second protective sleeve 500 are positioned and cannot rotate relative to each other; the second protective sheath 500 can move along the surface of the connecting body 470 in the left and right directions of the second protrusion 460, and in particular, as shown in fig. 5, is a structural diagram of the non-positioning state, in which the first protrusion 550 and the second protrusion 460 are not in contact, so that the first protective sheath 400 and the second protective sheath 500 can rotate with each other; fig. 4 is a schematic structural diagram of positioning, in which the first protrusion 550 is in interference fit with the second protrusion 460, so that the first protective sleeve 400 and the second protective sleeve 500 cannot rotate relative to each other, thereby achieving the purpose of positioning; the whole structure is convenient for the medical staff to operate, and avoids the problem that the needle handle 200 slides out of the first chute 410 again to hurt other people due to looseness.
Specifically, in this embodiment, a third protrusion 560 may be further disposed in the groove 540, and the third protrusion 560 is disposed opposite to the first protrusion 550, so as to ensure a balanced stress state of the connector 470 in the first protective sleeve 400, and prolong the service life of the first protective sleeve.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The puncture-proof disposable intravenous infusion needle comprises a puncture needle head (100), a needle handle (200) and an infusion hose (300), wherein the needle handle (200) is arranged at the tail end of the puncture needle head (100), a handle wing (210) is arranged on the side surface of the needle handle (200), the infusion hose (300) is connected to the tail end of the needle handle (200) and communicated with the puncture needle head (100), and the puncture-proof disposable intravenous infusion needle is characterized in that a protective sleeve capable of moving back and forth relative to the infusion hose (300) is arranged on the infusion hose (300); the inner diameter of the protective sleeve is larger than the maximum diameter of the section of the needle handle (200), and the length of the protective sleeve is larger than that of the puncture needle head (100);
the protective sleeve comprises a first protective sleeve (400) and a second protective sleeve (500), the tail end of the first protective sleeve (400) is detachably connected with the head end of the second protective sleeve (500), the first protective sleeve (400) and the second protective sleeve (500) can be mutually positioned and rotated along the central axis thereof, the first protective sleeve (400) is provided with a first sliding groove (410) penetrating through the wall of the first protective sleeve (400), the second protective sleeve (500) is provided with a second sliding chute (510) with a front section open and a closed rear end, the open end of the second chute (510) is connected with the first chute (410) in a penetrating way, the first runner (410) and the second runner (510) have a width greater than a thickness of the handle wing (210), the length of the second runner (510) is greater than the width of the handle wing (210).
2. The puncture-proof disposable IV needle as set forth in claim 1, wherein the second shield tube (500) is provided with an annular wedge-shaped groove (520) at a junction with the first shield tube (400) and a groove bottom having a width greater than a notch width, the first protective sleeve (400) is provided with an annular connecting block (430) at the joint with the second protective sleeve (500), the connecting block (430) is arranged in the wedge-shaped groove (520), the width of the connecting block (430) is smaller than the width of the top of the wedge-shaped groove (520), an annular limiting block (440) is arranged at the top of the connecting block (430), the narrowest width of the limiting block (440) is greater than the width of the top of the wedge-shaped groove (520) and less than the width of the bottom of the wedge-shaped groove (520), and a spring (530) is arranged between the limiting block (440) and the bottom of the wedge-shaped groove (520).
3. A puncture resistant disposable iv needle according to claim 2, wherein the first shield tube (400) is provided with a fitting groove (420) at an end remote from the connection block (430), and an end of the fitting groove (420) penetrates a top surface of the first shield tube (400).
4. A puncture-resistant disposable iv needle according to claim 3, wherein the number of the fitting grooves (420) is 2 or more and is circumferentially distributed along the central axis of the first shield casing (400).
5. The puncture-proof disposable iv needle according to claim 1, wherein the second shield tube (500) is provided with a ring-shaped groove (540) at the connection with the first shield tube (400), the inner wall of the groove (540) is provided with a first protrusion (550), the first shield tube (400) is provided with a ring-shaped connector (470) at the connection with the second shield tube (500) and the connector (470) is disposed in the groove (540), the connector (470) is provided with a stopper (450) at the end and the stopper (450) is restricted in the groove (540) by the first protrusion (550), the connector (470) is provided with a second protrusion (460) at the middle portion, the first protrusion (550) is in interference fit with the second protrusion (460) under the abutment with the stopper (450), and the second shield tube (500) is provided with the second protrusion (460) along the surface of the connector (470) ) Right and left movement.
6. The puncture-resistant disposable iv needle according to claim 5, further comprising a third protrusion (560), wherein the third protrusion (560) is disposed in the groove (540) and is opposite to the first protrusion (550).
7. The puncture-resistant disposable iv needle according to any of claims 1 to 6, wherein the outer surfaces of the first shield tube (400) and the second shield tube (500) are provided with anti-slip patterns (600).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922387975.5U CN211272861U (en) | 2019-12-25 | 2019-12-25 | Disposable intravenous infusion needle capable of preventing puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922387975.5U CN211272861U (en) | 2019-12-25 | 2019-12-25 | Disposable intravenous infusion needle capable of preventing puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211272861U true CN211272861U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922387975.5U Active CN211272861U (en) | 2019-12-25 | 2019-12-25 | Disposable intravenous infusion needle capable of preventing puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211272861U (en) |
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2019
- 2019-12-25 CN CN201922387975.5U patent/CN211272861U/en active Active
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