CN215687877U - Self-adhesive puncture-proof blood taking needle - Google Patents
Self-adhesive puncture-proof blood taking needle Download PDFInfo
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- CN215687877U CN215687877U CN202121822739.2U CN202121822739U CN215687877U CN 215687877 U CN215687877 U CN 215687877U CN 202121822739 U CN202121822739 U CN 202121822739U CN 215687877 U CN215687877 U CN 215687877U
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Abstract
The utility model discloses a self-adhesive puncture-proof blood taking needle, and belongs to the field of medical instruments. The utility model comprises a puncture needle head, a needle cylinder, a needle handle, a rubber tube and an output needle head, wherein a connecting tube is arranged in the needle cylinder, and one end of the connecting tube is connected with an output port of the puncture needle head; a sliding groove is axially formed in the side wall of the needle cylinder, the needle handle penetrates through the sliding groove and is connected with the outer wall of the output end of the puncture needle head, and the needle handle can drive the puncture needle head to slide along the sliding groove; the length of the sliding groove is greater than or equal to that of the puncture needle head; the outer surface of the needle cylinder is provided with self-adhesive; the input end of the rubber tube is connected with one end of the connecting tube far away from the puncture needle head; the input end of the output needle head is connected with the output end of the rubber tube; the output end of the output needle head is provided with a side hole. The utility model not only has the puncture-proof function, but also is convenient for fixing the needle head by the arranged self-adhesive paste, and meanwhile, the occurrence of hemolysis can be reduced by arranging the side hole on the output needle head.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a self-adhesive puncture-proof blood taking needle.
Background
Venous blood collection is the most common blood collection means in hospitals for routine examinations, and is a medical examination in which a certain amount of venous blood is collected as a blood sample through a blood collection needle. The disposable blood taking needle is used for venous blood taking, the conventional disposable blood taking needle is formed by integrating a venous needle, a front end needle base, a rear end needle base and a blood taking needle into a whole through a hose, the venous needle penetrates into a vein, the blood taking needle is inserted into a negative pressure blood taking tube, and a blood sample enters the negative pressure blood taking tube under the action of the negative pressure blood taking tube. When the current ordinary blood taking needle is used in practice, the following problems mainly exist:
firstly, after the blood taking needle is punctured, in order to prevent the puncture end of the needle head from falling off, an adhesive tape is additionally prepared for sticking and fixing;
secondly, after the blood sampling needle punctures the skin to successfully take the blood, the exposed puncture needle head is easy to cause secondary puncture accidents;
in the blood sampling process, the end of the output needle is unprotected, puncture accidents are easy to happen, and meanwhile, the blood extravasation condition can happen in the blood sampling process;
fourthly, after the puncture is successful, when the blood is transferred to the blood sampling tube, the output needle head of the existing blood sampling tube is directly opened at the bottom, so the blood can be directly sprayed to the tube bottom of the blood sampling tube, the blood is frothed, and the red blood cells in the blood are broken due to strong impact in the spraying process, so the hemolysis is caused at a high probability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, and provides a self-adhesive puncture-proof blood taking needle which not only has a puncture-proof function, but also is convenient for fixing a needle head through self-adhesion arrangement, and meanwhile, the occurrence of hemolysis can be reduced through arranging a side hole on an output needle head.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a self-adhesive puncture resistant blood lancet comprising:
the puncture part comprises a puncture needle head, a needle cylinder and a needle handle, wherein a connecting pipe is arranged in the needle cylinder, and one end of the connecting pipe is connected with an output port of the puncture needle head; a sliding groove is formed in the side wall of the needle cylinder along the axial direction, the needle handle penetrates through the sliding groove and is connected with the outer wall of the output end of the puncture needle head, and the needle handle can drive the puncture needle head to slide along the sliding groove; the length of the sliding groove is greater than or equal to that of the puncture needle head; the outer surface of the needle cylinder is provided with a self-adhesive film;
the conveying part comprises a rubber tube, and the input end of the rubber tube is connected with one end of the connecting tube, which is far away from the puncture needle head;
the output part comprises an output needle head, and the input end of the output needle head is connected with the output end of the rubber tube; the side wall of the output end of the output needle head is provided with a side hole.
Further, the self-adhesive film is provided with one or more than one.
Furthermore, the end part of the output end of the output needle head is closed, a side hole is formed in the side wall of the output end of the output needle head, and one or more side holes are formed in the side hole.
Further, the output still includes the output syringe needle protective sheath, the output syringe needle protective sheath is the sealed and open-ended cover that makes progress in bottom, the input of output syringe needle has the adapter, the open end of output syringe needle protective sheath adheres to the adapter outer wall of output syringe needle, just the parcel of output syringe needle protective sheath the output syringe needle.
Furthermore, the output part further comprises an outer casing, the outer casing is a casing with a sealed bottom and an upward opening, the open end of the outer casing is buckled on the adapter of the output needle head, and the outer casing is sleeved outside the output needle head protective sleeve
Furthermore, the output needle head protective sleeve is a rubber sleeve.
Furthermore, a first magnetic strip is arranged on the needle handle, second magnetic strips which are correspondingly attracted with the first magnetic strips are arranged at two axial end parts of the sliding groove, and the needle handle is fixed in the sliding groove through mutual attraction of the first magnetic strips and the second magnetic strips.
The utility model has the beneficial effects that:
according to the utility model, the self-adhesive film is arranged on the outer surface of the needle cylinder, so that after blood successfully returns from the punctured blood vessel, the self-adhesive film can be directly torn off and the puncture needle head is adhered and fixed on the skin through self-adhesion, thereby preventing the puncture end of the needle head from falling off.
According to the utility model, the sliding groove is formed in the side wall of the needle cylinder, when the blood sampling needle penetrates skin to successfully take blood, the needle handle slides downwards along the sliding groove, and the needle handle slides and drives the puncture needle head to move into the needle cylinder, so that the puncture needle head is hidden in the needle cylinder to prevent secondary puncture.
The output needle head protective sleeve is arranged, so that the output needle head can be stored in the protective sleeve, puncture is prevented, and meanwhile, blood can be prevented from extravasating in a closed mode; when using, when the output syringe needle inserts the heparin tube, because of the output syringe needle protective sheath is materials such as rubber sleeve, the output syringe needle protective sheath is worn out to the output syringe needle under the boosting effect, exposes the syringe needle body and gets into the heparin tube in, and the syringe needle protective sheath then contracts and folds outside the heparin tube, does not influence the transfer of blood sample.
At present, after the output needle head is inserted into the blood collection tube during blood collection, the direction of the output needle head needs to be turned to the tube wall of the blood collection tube so as to reduce hemolysis; according to the utility model, the side hole is formed in the output needle head, blood can be sprayed to the tube wall of the blood collection tube through the side hole without a manual mode, the collected blood flows down along the tube wall, the damage and hemolysis of red blood cells in the blood are prevented, and the accuracy of blood sample detection is improved.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another preferred embodiment of the present invention;
FIG. 3 is a schematic view of the puncturing part of the present invention (after puncturing is completed);
FIG. 4 is a schematic diagram of the working state of the output unit in the present invention;
notation in the figure: 1-a puncture needle head; 2-a needle cylinder; 3-needle handle; 4-a sliding groove; 5-self-adhesive film; 6-rubber tube; 7-output needle head protective sleeve; 8-outer shell sleeve; 9-output needle; 10-side holes; 11-blood collection tube; 12-blood.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The parts not described in detail in the following examples are prior art.
Example 1
A self-adhesive puncture-proof blood taking needle comprises a puncture part, a conveying part and an output part, as shown in figure 1, and comprises the following components:
the puncture part comprises a puncture needle head 1, a needle cylinder 2 and a needle handle 3, a connecting pipe is arranged in the needle cylinder 2, and one end of the connecting pipe is connected with an output port of the puncture needle head 1; a sliding groove 4 is axially formed in the side wall of the needle cylinder 2, the needle handle 3 penetrates through the sliding groove 4 and is connected with the outer wall of the output end of the puncture needle head 1, and the needle handle 3 can drive the puncture needle head 1 to slide along the sliding groove 4; the length of the sliding slot 4 is slightly larger than that of the puncture needle head 1, so as to ensure that the puncture needle head 1 can be completely hidden in the needle cylinder 2; the size of the sliding groove 4 corresponds to the thickness of the needle handle 3, so that the needle handle 3 can slide in the sliding groove 4 and can stably stay at a proper position in the sliding groove 4; the outer surface of the needle cylinder 2 is provided with a self-adhesive film 5, the self-adhesive film 5 is arranged on the upper surface of the needle cylinder 2 during puncture, so that the self-adhesive film 5 can be torn and adhered to fix the puncture needle head 1 more conveniently.
The conveying part comprises a rubber tube 6, and the input end of the rubber tube 6 is connected with one end of the connecting tube, which is far away from the puncture needle head 1;
the output part comprises an output needle head 9, and the input end of the output needle head 9 is connected with the output end of the rubber tube 6; a side hole 10 is formed in one side wall of the output end of the output needle head 9, and one side hole 10 is formed.
In this embodiment, the self-adhesive film 5 is provided in two pieces to better fix the puncture needle 1.
In this embodiment, the output still includes output syringe needle protective sheath 7, output syringe needle protective sheath 7 is the sealed and open-ended cover that makes progress in bottom, the input of output syringe needle 9 has the adapter, the open end of output syringe needle protective sheath 7 adheres to the adapter outer wall of output syringe needle 9, just output syringe needle protective sheath 7 parcel output syringe needle 9, output syringe needle protective sheath 7 is the rubber sleeve. The output needle head protective sleeve 7 can enclose the output needle head 9 in the protective sleeve, so that the puncture is prevented, and the blood can be prevented from extravasating in a closed manner; when in use, the rubber sleeve can be folded and stored outside the blood sampling tube, and the output needle head 9 is not influenced to input blood into the blood sampling tube.
In this embodiment, the output portion further includes an outer casing 8, the outer casing 8 is a casing with a sealed bottom and an upward opening, an opening end of the outer casing 8 is fastened to the adapter of the output needle 9, and the outer casing 8 is sleeved outside the output needle protection cover 7. Outer jacket 8 can protect output syringe needle 9 and output syringe needle protective sheath 7, directly pull out when using can.
Example 2
A self-adhesive puncture-proof blood taking needle comprises a puncture part, a conveying part and an output part, as shown in figure 2, and comprises the following components:
the puncture part comprises a puncture needle head 1, a needle cylinder 2 and a needle handle 3, a connecting pipe is arranged in the needle cylinder 2, and one end of the connecting pipe is connected with an output port of the puncture needle head 1; a sliding groove 4 is axially formed in the side wall of the needle cylinder 2, the needle handle 3 penetrates through the sliding groove 4 and is connected with the outer wall of the output end of the puncture needle head 1, and the needle handle 3 can drive the puncture needle head 1 to slide along the sliding groove 4; the length of the sliding groove 4 is equal to that of the puncture needle head 1; the outer surface of the needle cylinder 2 is provided with a self-adhesive film 5;
the conveying part comprises a rubber tube 6, and the input end of the rubber tube 6 is connected with one end of the connecting tube, which is far away from the puncture needle head 1;
the output part comprises an output needle head 9, and the input end of the output needle head 9 is connected with the output end of the rubber tube 6; the side wall of the output end of the output needle head 9 is provided with a side hole 10.
In this embodiment, three self-adhesive films 5 are provided to better fix the puncture needle 1.
In this embodiment, the end of the output needle 9 is closed and the side hole 10 is opened in two. The side hole 10 can reduce the hemolysis caused by the injection of blood to the bottom of the blood collection tube.
In this embodiment, the output still includes output syringe needle protective sheath 7, output syringe needle protective sheath 7 is the sealed and open-ended cover that makes progress in bottom, the input of output syringe needle 9 has the adapter, the open end of output syringe needle protective sheath 7 adheres to the adapter outer wall of output syringe needle 9, just output syringe needle protective sheath 7 parcel output syringe needle 9, output syringe needle protective sheath 7 is the film cover. The output needle head protective sleeve 7 can enclose the output needle head 9 in the protective sleeve, so that the puncture is prevented, and the blood can be prevented from extravasating in a closed manner; when in use, the film sleeve can be folded and stored outside the blood sampling tube, and the output needle head 9 is not influenced to input blood into the blood sampling tube.
In this embodiment, the output portion further includes an outer casing 8, the outer casing 8 is a casing with a sealed bottom and an upward opening, an opening end of the outer casing 8 is fastened to the adapter of the output needle 9, and the outer casing 8 is sleeved outside the output needle protection sleeve 7; the outer casing 8 can be directly pulled out when in use.
In this embodiment, the needle handle 3 is provided with a first magnetic stripe, the two axial ends of the sliding groove 4 are provided with second magnetic stripes which are correspondingly attracted with the first magnetic stripe, and the needle handle 3 is fixed in the sliding groove 4 through mutual attraction of the first magnetic stripe and the second magnetic stripe. Through the arrangement of the first magnetic strip and the second magnetic strip, the needle handle 3 can be connected with the sliding groove 4 more stably.
Taking the example 2 as an example, the operation steps of the utility model in use are as follows:
(1) taking a blood taking needle, wherein the puncture needle head 1 is hidden in the needle cylinder 2 in an original state when not used, namely the needle handle 3 is positioned at the lowest end of the sliding groove 4, and the needle handle 3 and the sliding groove 4 can be stably connected through the suction of the first magnetic stripe and the second magnetic stripe; when in use, an operator holds the needle handle 3 and pushes the needle handle 3 upwards, the needle handle 3 drives the puncture needle head 1 to slide upwards, and the puncture needle head 1 slides out of the needle cylinder 2;
(2) the puncture needle head 1 is punctured on the skin of a human body, after blood successfully returns to the punctured blood vessel, the self-adhesive tape 5 on the outer surface of the needle cylinder 2 is torn off, the adhesive tape is torn off and is adhered to the puncture needle head 1 and the skin of the human body, so that the puncture needle head 1 is kept still to prevent the puncture needle head 1 from falling off;
(3) the outer casing 8 of the output part is pulled out, and the output needle 9 penetrates into the blood sampling tube 11, as shown in fig. 4, at this time, the output needle 9 pierces the output needle protecting sleeve 7, and the output needle protecting sleeve 7 is accommodated and compressed on the tube cover of the blood sampling tube 11 due to the self compressibility of the output needle 9 in the process of continuously moving towards the blood sampling tube 11;
(4) the collected blood 12 is transferred into the rubber tube 6 through the puncture needle head 1 and then transferred to the output needle head 9 through the rubber tube 6, and because the side hole 10 is arranged on the output needle head 9, the blood 12 is sprayed out to the tube wall of the blood collection tube 11 through the side hole 10 and flows down along the tube wall, the blood 12 is prevented from being directly sprayed to the bottom of the blood collection tube 11 through the bottom output port of the output needle head 9, and the damage and hemolysis of red blood cells in the blood are prevented;
(5) after blood collection is finished, as shown in fig. 3, the needle handle 3 slides downwards along the sliding groove 4 to hide the puncture needle head 1 in the needle cylinder 2, so as to prevent secondary puncture, the used self-adhesive tape 5 is torn off from the skin and is adhered to the outer surface of the needle cylinder 2 again, or the self-adhesive tape 5 is adhered to the inlet and outlet of the puncture needle head 1 of the needle cylinder 2 to seal the puncture needle head 1 in the needle cylinder 2, so that the blood can be collected and processed together with other components of the blood collection needle.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a but blood taking needle is prevented stabbing by self-adhesion which characterized in that includes:
the puncture part comprises a puncture needle head (1), a needle cylinder (2) and a needle handle (3), a connecting pipe is arranged in the needle cylinder (2), and one end of the connecting pipe is connected with an output port of the puncture needle head (1); a sliding groove (4) is formed in the side wall of the needle cylinder (2) along the axial direction, the needle handle (3) penetrates through the sliding groove (4) and is connected with the outer wall of the output end of the puncture needle head (1), and the needle handle (3) can drive the puncture needle head (1) to slide along the sliding groove (4); the length of the sliding groove (4) is greater than or equal to that of the puncture needle head (1); the outer surface of the needle cylinder (2) is provided with a self-adhesive film (5);
the conveying part comprises a rubber tube (6), and the input end of the rubber tube (6) is connected with one end, far away from the puncture needle head (1), of the connecting tube;
the output part comprises an output needle (9), and the input end of the output needle (9) is connected with the output end of the rubber tube (6); the side wall of the output end of the output needle head (9) is provided with a side hole (10).
2. A self-adhesive puncture resistant blood lancet according to claim 1, characterized in that: one or more self-adhesive films (5) are arranged.
3. A self-adhesive puncture resistant blood lancet according to claim 1, characterized in that: the end part of the output end of the output needle head (9) is closed, and one or more side holes (10) are formed.
4. A self-adhesive puncture resistant blood lancet according to claim 1, characterized in that: the output portion still includes output syringe needle protective sheath (7), output syringe needle protective sheath (7) are the sealed and open-ended cover that makes progress in bottom, the input of output syringe needle (9) has the adapter, the open end of output syringe needle protective sheath (7) adheres to the adapter outer wall of output syringe needle (9), just output syringe needle protective sheath (7) parcel output syringe needle (9).
5. A self-adhesive puncture resistant blood lancet according to claim 4, characterized in that: the output part further comprises an outer casing (8), the outer casing (8) is a casing with a sealed bottom and an upward opening, the open end of the outer casing (8) is buckled on the adapter of the output needle (9), and the outer casing (8) is sleeved outside the output needle protective sleeve (7).
6. A self-adhesive puncture resistant blood lancet according to claim 4, characterized in that: the output needle head protective sleeve (7) is a rubber sleeve.
7. A self-adhesive puncture resistant blood lancet according to claim 1, characterized in that: the needle handle (3) is provided with a first magnetic strip, the two axial ends of the sliding groove (4) are respectively provided with a second magnetic strip which is correspondingly attracted with the first magnetic strip, and the needle handle (3) is fixed in the sliding groove (4) through mutual attraction of the first magnetic strip and the second magnetic strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121822739.2U CN215687877U (en) | 2021-08-05 | 2021-08-05 | Self-adhesive puncture-proof blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121822739.2U CN215687877U (en) | 2021-08-05 | 2021-08-05 | Self-adhesive puncture-proof blood taking needle |
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| Publication Number | Publication Date |
|---|---|
| CN215687877U true CN215687877U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121822739.2U Active CN215687877U (en) | 2021-08-05 | 2021-08-05 | Self-adhesive puncture-proof blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215687877U (en) |
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2021
- 2021-08-05 CN CN202121822739.2U patent/CN215687877U/en active Active
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