CN215821979U - Safety syringe blood taking needle and safety syringe - Google Patents
Safety syringe blood taking needle and safety syringe Download PDFInfo
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- CN215821979U CN215821979U CN202122080346.5U CN202122080346U CN215821979U CN 215821979 U CN215821979 U CN 215821979U CN 202122080346 U CN202122080346 U CN 202122080346U CN 215821979 U CN215821979 U CN 215821979U
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- needle
- side wall
- protective cover
- safety syringe
- pair
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Abstract
A safety syringe blood taking needle comprises a needle seat and a protective cover. The outside of needle file is surrounded and is provided with solid fixed ring, and the bottom of protection casing passes through flexible kink with solid fixed ring's lateral wall and is connected. Before the blood taking needle is used and after the blood taking needle is used, the needle head can be quickly and conveniently covered by the protective cover, and accidental acupuncture is effectively prevented. In addition, the protruding hook tooth portion that is equipped with of inner wall of protection casing, the height of hook tooth portion is equivalent with solid fixed ring's last reason, and hook tooth portion can form the joint with solid fixed ring's last reason and fix the protection casing when double-end needle tubing gets into and holds the chamber. Through the fixation of the hook tooth part, the rapid fixation and the fixation removal of the protective cover can be realized, medical personnel can conveniently operate through a single hand, and the convenience of operation is improved.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a safety syringe blood taking needle and a safety syringe.
Background
Syringes and blood collection needles are commonly used medical consumables, and in order to avoid being punctured by a needle, a protective sleeve (protective cover) is usually required to be arranged at the position of the needle in the use process of the syringes and the blood collection needles. The protective sleeve in the prior art adopts a split design, and an independent cover body is sleeved outside a needle head to form protection. However, the cover body is easy to fall off and lose, and the cover body needs to be operated by two hands for dismounting and mounting. In the prior art, a small number of integrated protective covers are designed, but the problems of complex structure, inconvenient operation and the like exist. Therefore, it is necessary to develop a blood taking needle with good safety performance and convenient operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a safety syringe blood taking needle which is simple in structure and convenient to operate, and due to the design of an integrated protective cover, the use safety is improved, and accidental acupuncture is avoided.
Another object of the present invention is to provide a safety syringe including the safety syringe lancet, which is more convenient and safer to operate.
The embodiment of the utility model is realized by the following steps:
a safety syringe lancet, comprising:
the needle base is provided with a double-head needle tube penetrating through the needle base along the axial direction of the needle base; the outer side of the needle seat is provided with a fixing ring in a surrounding way;
the double-head needle tube fixing device comprises a protective cover, a fixing ring and a fixing ring, wherein an accommodating cavity for accommodating the double-head needle tube is formed inside the protective cover, an opening for the double-head needle tube to pass through is formed in the side wall of the protective cover, and the bottom end of the protective cover is connected with the side wall of the fixing ring through a flexible bending part; the protruding hook tooth portion that is equipped with of inner wall of protection casing, the height of hook tooth portion is equivalent with solid fixed ring's last reason, and hook tooth portion can form the joint with solid fixed ring's last reason and fix the protection casing when the double-end needle tubing gets into and holds the chamber.
Further, in other preferred embodiments of the present invention, the flexible bending portion is a thin sheet, the flexible bending portion is disposed in a plane perpendicular to the axis of the needle seat, one end of the flexible bending portion in the length direction is connected to the outer side of the fixing ring, and the other end is connected to the bottom end of the protection cover; the protective cover can be turned over around the bottom end of the protective cover through bending of the flexible bending part.
Further, in other preferred embodiments of the present invention, the side wall of the protective cover is divided into a first side wall disposed along the length direction of the flexible bending portion, and a pair of second side walls respectively located at two sides of the first side wall, the first side wall and the pair of second side walls together enclose an accommodating cavity, an opening is formed between the pair of second side walls, and the hook tooth portion is convexly disposed on the first side wall.
Further, in another preferred embodiment of the present invention, a pair of support arms extend inwardly from the pair of second sidewalls, ends of the pair of support arms abut against each other, end surfaces of the pair of support arms face the first sidewall, and a V-shaped structure with an opening facing the first sidewall is formed between the end surfaces of the pair of support arms for abutting and fixing the double-ended needle cannula.
Further, in other preferred embodiments of the present invention, each of the support arms further includes a guide surface connected to the end surface, and the guide surfaces of the pair of support arms are disposed to be opposed to each other and gradually distant from each other in a direction away from the first side wall.
Further, in other preferred embodiments of the present invention, a reinforcing plate is disposed in the accommodating cavity, the reinforcing plate is disposed along the width direction of the shield and is fixedly connected to the first side wall and the pair of second side walls, and a notch for the double-headed needle tube to pass through is disposed on a side of the reinforcing plate facing the opening.
Further, in other preferred embodiments of the present invention, the number of the reinforcing plates is plural, and the plural reinforcing plates are arranged at intervals along the length direction of the shield.
Further, in another preferred embodiment of the present invention, the first side wall is provided with a first observation opening, and the first observation opening penetrates through the first side wall and faces the hook tooth portion; still be provided with the second on the first lateral wall and observe the mouth, the second is observed the mouth and is run through first lateral wall, towards the support arm.
Further, in other preferred embodiments of the present invention, the outer side surface of the first side wall is provided with a plurality of reinforcing ribs, and each reinforcing rib is arranged along the width direction of the protective cover; the two ends of the reinforcing edge respectively extend to the joint of the first side wall and the pair of second side walls; the plurality of reinforcing ribs are arranged at intervals along the length direction of the protective cover.
A safety syringe comprises a needle cylinder and the safety syringe blood taking needle, wherein a clamping hook portion is convexly arranged on the side wall of the needle cylinder, a clamping opening matched with the clamping hook portion is formed in a protective cover, and the needle cylinder can fix the protective cover by inserting the clamping hook portion into the clamping opening.
The embodiment of the utility model has the beneficial effects that:
the utility model provides a safety syringe blood taking needle which comprises a needle seat and a protective cover. The outside of needle file is surrounded and is provided with solid fixed ring, and the bottom of protection casing passes through flexible kink with solid fixed ring's lateral wall and is connected. Before the blood taking needle is used and after the blood taking needle is used, the needle head can be quickly and conveniently covered by the protective cover, and accidental acupuncture is effectively prevented. In addition, the protruding hook tooth portion that is equipped with of inner wall of protection casing, the height of hook tooth portion is equivalent with solid fixed ring's last reason, and hook tooth portion can form the joint with solid fixed ring's last reason and fix the protection casing when double-end needle tubing gets into and holds the chamber. Through the fixation of the hook tooth part, the rapid fixation and the fixation removal of the protective cover can be realized, medical personnel can conveniently operate through a single hand, and the convenience of operation is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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 a safety syringe lancet provided in an embodiment of the present invention in a state where a needle is not shielded;
FIG. 2 is a schematic view of a safety syringe lancet in a needle-shielding state according to an embodiment of the present invention;
FIG. 3 is a front view of a safety syringe lancet in an unshielded state according to an embodiment of the present invention;
FIG. 4 is a rear view of a safety syringe lancet in a needle-unprotected state according to an embodiment of the present invention;
FIG. 5 is a sectional view of a safety syringe lancet according to an embodiment of the present invention.
Icon: 100-safety syringe lancet; 110-a needle seat; 111-double-ended needle tubing; 112-a fixed ring; 120-a shield; 1201-a first side wall; 1202-a second sidewall; 121-a receiving cavity; 1211-opening; 122-a hook tooth portion; 123-a support arm; 1231-end face; 1232-a guiding surface; 124-a reinforcing plate; 125-first viewing port; 126-second viewing port; 127-a reinforcing rib; 130-flexible bend.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
The present embodiment provides a safety syringe lancet 100, which includes a needle holder 110 and a shield cover 120, as shown in fig. 1.
As shown in fig. 1 and 2, the bottom of the needle holder 110 is provided with a fitting hole for fitting with a syringe barrel, and a double-ended needle tube 111 penetrating through the needle holder 110 is arranged along the axial direction of the needle holder 110; a fixing ring 112 is disposed around the outside of the needle holder 110.
As shown in fig. 1 and fig. 3, an accommodating cavity 121 for accommodating the double-ended needle tube 111 is formed inside the shield 120, an opening 1211 for passing the double-ended needle tube 111 is formed in a side wall of the shield 120, and a bottom end of the shield 120 is connected with a side wall of the fixing ring 112 through a flexible bending portion 130; the inner wall of the shield 120 is convexly provided with a hook tooth part 122, the height of the hook tooth part 122 is equivalent to the upper edge of the fixing ring 112, and the hook tooth part 122 can form clamping connection with the upper edge of the fixing ring 112 to fix the shield 120 when the double-head needle tube 111 enters the accommodating cavity 121. Before the blood taking needle is used and after the blood taking needle is used, the needle head can be quickly and conveniently covered by the protective cover 120, and accidental acupuncture is effectively prevented. In addition, through the fixed of hook tooth portion 122, can realize the quick fixed of protection casing 120 and remove fixedly, medical personnel can conveniently operate through the one hand, have improved the convenience of operation.
In addition, as shown in fig. 1 and 4, the flexible bending part 130 is thin, the flexible bending part 130 is disposed in a plane perpendicular to the axis of the needle holder 110, one end of the flexible bending part 130 in the length direction is connected to the outside of the fixing ring 112, and the other end is connected to the bottom end of the protection cover 120; the shield 120 may be turned around its bottom end by the bending of the flexible bend 130. The sheet-like structure can restrict the bending direction of the flexible bending part 130, taking the view angle of fig. 1 as an example, under the restriction of the flexible bending part 130, the protective cover 120 can only cover or take out the needle head by upward or downward rotation in the vertical plane in the horizontal state, and there is no left-right swing in the horizontal plane, such design also makes things convenient for the protective cover 120 to cover the needle head accurately, and increases the operation precision.
Further, as shown in fig. 2 and 5, the side wall of the shield 120 is divided into a first side wall 1201 disposed along the length direction of the flexible bending portion 130 and a pair of second side walls 1202 respectively disposed at two sides of the first side wall 1201, the first side wall 1201 and the pair of second side walls 1202 together enclose the accommodating cavity 121, an opening 1211 is formed between the pair of second side walls 1202, and the hooking tooth portion 122 is convexly disposed on the first side wall 1201. A pair of support arms 123 extend inward from the pair of second side walls 1202, ends of the pair of support arms 123 abut against each other, end surfaces 1231 of the pair of support arms 123 face the first side wall 1201, and a V-shaped structure with an opening 1211 facing the first side wall 1201 is formed between the end surfaces 1231 of the pair of support arms 123 for abutting and fixing the double-ended needle cannula 111. During the process of turning the shield 120 upwards and covering the needle, the needle enters the receiving cavity 121 through the opening 1211 and is pressed through the pair of support arms 123 to abut against the end surfaces 1231 of the pair of support arms 123. The V-shaped structure can prevent the needle head from sliding relative to the end surface 1231, and can stably fix the needle head. In addition to this, each support arm 123 further includes a guide surface 1232 connected to the end surface 1231, and the guide surfaces 1232 of the pair of support arms 123 are disposed to be opposed to each other and gradually distant from each other in a direction away from the first side wall 1201. The guide surface 1232 is provided to allow the needle to be more smoothly squeezed through between the pair of support arms 123 and to a predetermined fixed position. Typically, the shield 120 is made of a plastic material, and when the needle needs to be removed from the shield 120, the pair of second sidewalls 1202 can be squeezed to deform the pair of support arms 123 to a certain extent, thereby assisting the needle to be removed from the V-shaped configuration.
The accommodating cavity 121 is provided with a reinforcing plate 124, the reinforcing plate 124 is disposed along the width direction of the shield 120 and fixedly connected to the first side wall 1201 and the pair of second side walls 1202, and a notch for the double-ended needle tube 111 to pass through is disposed on a side of the reinforcing plate 124 facing the opening 1211. The reinforcing plate 124 may increase the coupling strength between the first side wall 1201 and the pair of second side walls 1202, which may provide a sufficient supporting effect to maintain the overall shape of the shield 120. The number of the reinforcing plates 124 is plural, and the plurality of reinforcing plates 124 are provided at intervals along the length direction of the shield cover 120.
As shown in fig. 4, the first sidewall 1201 is provided with a first observation port 125, and the first observation port 125 penetrates through the first sidewall 1201 and faces the hook tooth portion 122; the first side wall 1201 is further provided with a second observation port 126, and the second observation port 126 penetrates through the first side wall 1201 and faces the support arm 123. The first observation port 125 and the second observation port 126 are designed to avoid the first side wall 1201 from obstructing the view, so that the user can better view the fixation condition of the hook tooth part 122 and the supporting arm 123.
In addition, the outer side surface of the first sidewall 1201 is provided with a plurality of reinforcing ribs 127, each of the reinforcing ribs 127 being disposed along the width direction of the shield 120; both ends of the reinforcing rib 127 extend to the connection between the first side wall 1201 and the pair of second side walls 1202; the plurality of reinforcing ribs 127 are provided at intervals along the length direction of the shield cover 120. The reinforcing ribs 127 may also serve a reinforcing effect to maintain the overall shape of the shield cover 120. Meanwhile, the reinforcing ribs 127 can also increase friction force, so that the anti-skid effect is achieved.
Further, the embodiment also provides a safety injector, which comprises a needle cylinder and the safety injector blood taking needle 100, wherein the side wall of the needle cylinder is convexly provided with a hook part, the protective cover 120 is provided with a clamping opening matched with the hook part, and the needle cylinder can fix the protective cover 120 by inserting the hook part into the clamping opening. By fixing the shield 120 to the syringe, adverse effects caused by shaking of the shield 120 during use of the syringe can be avoided. Alternatively, the positions of the supporting arm 123 and the second observing port 126 can be designed appropriately, so that the second observing port 126 can be used as a card interface at the same time.
In view of the above, the present invention provides a safety syringe lancet 100 including a needle holder 110 and a protective cover 120. The outer side of the needle seat 110 is surrounded by a fixing ring 112, and the bottom end of the protective cover 120 is connected to the side wall of the fixing ring 112 by a flexible bending portion 130. Before the blood taking needle is used and after the blood taking needle is used, the needle head can be quickly and conveniently covered by the protective cover 120, and accidental acupuncture is effectively prevented. In addition, the inner wall of the shield 120 is convexly provided with a hook tooth portion 122, the height of the hook tooth portion 122 is equivalent to the upper edge of the fixing ring 112, and the hook tooth portion 122 can form a clamping connection with the upper edge of the fixing ring 112 to fix the shield 120 when the double-headed needle tube 111 enters the accommodating cavity 121. Through the fixation of hook tooth portion 122, can realize that protection casing 120's quick fixation and release are fixed, medical personnel can conveniently operate through one hand, have improved the convenience of operation.
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 (10)
1. A safety syringe blood taking needle, comprising:
the needle base is provided with a double-head needle tube penetrating through the needle base along the axial direction of the needle base; the outer side of the needle seat is provided with a fixing ring in a surrounding way;
the protective cover is internally provided with an accommodating cavity for accommodating the double-head needle tube, the side wall of the protective cover is provided with an opening for the double-head needle tube to pass through, and the bottom end of the protective cover is connected with the side wall of the fixing ring through a flexible bending part; the inner wall of the protective cover is convexly provided with a hook tooth part, the height of the hook tooth part is equivalent to the upper edge of the fixing ring, and the hook tooth part can be clamped with the upper edge of the fixing ring to fix the protective cover when the double-head needle tube enters the accommodating cavity.
2. The safety syringe blood taking needle according to claim 1, wherein the flexible bent portion is in a thin sheet shape, the flexible bent portion is disposed in a plane perpendicular to an axis of the needle holder, and one end in a length direction thereof is connected to an outer side of the fixing ring and the other end thereof is connected to a bottom end of the protective cover; the protective cover can be turned over around the bottom end of the protective cover through bending of the flexible bending part.
3. The safety syringe lancet according to claim 2, wherein the side wall of the protective cover is divided into a first side wall disposed along a length direction of the flexible bending portion, and a pair of second side walls respectively located at both sides of the first side wall, the first side wall and the pair of second side walls together define the accommodating cavity, the opening is formed between the pair of second side walls, and the hooking tooth portion is protruded from the first side wall.
4. A safety syringe lancet according to claim 3, wherein a pair of support arms extend inwardly from the pair of second side walls, ends of the pair of support arms abut against each other, end faces of the pair of support arms face the first side wall, and a V-shaped structure is formed between the end faces of the pair of support arms and opens toward the first side wall for abutting and fixing the double-ended needle tube.
5. A safety syringe lancet according to claim 4, wherein each of the support arms further comprises a guide surface connected to the end surface, the guide surfaces of the pair of support arms being disposed oppositely and gradually distant from each other in a direction away from the first side wall.
6. A safety syringe blood taking needle according to claim 5, wherein a reinforcing plate is arranged in the accommodating cavity, the reinforcing plate is arranged along the width direction of the protective cover and fixedly connected with the first side wall and the pair of second side walls, and a notch for the double-head needle tube to pass through is arranged on one side of the reinforcing plate facing the opening.
7. A safety syringe lancet according to claim 6, wherein the reinforcing plate is provided in plurality, and the plurality of reinforcing plates are provided at intervals in a longitudinal direction of the shield.
8. A safety syringe lancet according to claim 7, wherein a first observing port is provided on the first side wall, the first observing port penetrating the first side wall toward the hooking tooth portion; still be provided with the second on the first lateral wall and observe the mouth, the second is observed the mouth and is run through first lateral wall, the orientation the support arm.
9. A safety syringe lancet according to claim 8, wherein the outer side surface of the first side wall is provided with a plurality of reinforcing ribs each of which is provided in the width direction of the shield; two ends of the reinforcing rib respectively extend to the joint of the first side wall and the pair of second side walls; the plurality of reinforcing ribs are arranged at intervals along the length direction of the protective cover.
10. A safety syringe is characterized by comprising a needle cylinder and the safety syringe blood taking needle as claimed in any one of claims 1 to 9, wherein a clamping hook part is convexly arranged on the side wall of the needle cylinder, a clamping opening matched with the clamping hook part is formed in the protective cover, and the needle cylinder can fix the protective cover by inserting the clamping hook part into the clamping opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122080346.5U CN215821979U (en) | 2021-08-31 | 2021-08-31 | Safety syringe blood taking needle and safety syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122080346.5U CN215821979U (en) | 2021-08-31 | 2021-08-31 | Safety syringe blood taking needle and safety syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215821979U true CN215821979U (en) | 2022-02-15 |
Family
ID=80197739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122080346.5U Active CN215821979U (en) | 2021-08-31 | 2021-08-31 | Safety syringe blood taking needle and safety syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215821979U (en) |
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2021
- 2021-08-31 CN CN202122080346.5U patent/CN215821979U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 453000 dingluan Industrial Zone, Changyuan City, Xinxiang City, Henan Province Patentee after: HENAN ZHONGXIU MEDICAL DEVICES Co.,Ltd. Address before: 453000 dingluan Industrial Zone, Changyuan County, Xinxiang City, Henan Province Patentee before: HENAN ZHONGXIU MEDICAL DEVICES Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |