CN211534452U - Novel venous blood taking needle - Google Patents
Novel venous blood taking needle Download PDFInfo
- Publication number
- CN211534452U CN211534452U CN202020003589.1U CN202020003589U CN211534452U CN 211534452 U CN211534452 U CN 211534452U CN 202020003589 U CN202020003589 U CN 202020003589U CN 211534452 U CN211534452 U CN 211534452U
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- needle
- connecting rod
- spring
- side wall
- fixing
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Abstract
The utility model provides a novel venous blood taking needle. The novel venous blood taking needle comprises a vacuum blood taking tube, a connecting structure, a fixing structure and a puncturing structure, wherein the connecting structure is connected with the vacuum blood taking tube; a fixed structure connected to the connecting structure; a puncture structure connected to the connection structure; the fixing rod is installed on the side wall of the connecting structure, one end of the second spring is installed on the side wall of the connecting structure, one end of the first connecting rod is fixedly connected with the other end of the second spring, the fixing plate is installed at the other end of the first connecting rod, and the second connecting rod is installed on the side wall of the first connecting rod. The utility model provides a novel vein blood taking needle has and rocks when can reducing the blood sampling, avoids the advantage of secondary injury.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a novel venous blood taking needle.
Background
A venous blood lancet is a blood lancet used for collecting blood samples during medical examination. The blood taking needle at the top end is used for puncturing a blood vessel, the tail end transparent hose is connected with the tail needle, the tail needle is wrapped by the rubber hose, and the needle cap is sleeved outside the tail needle and used for puncturing a vacuum blood taking test tube and sucking blood into the tube by using negative pressure in the test tube.
However, when the conventional venous blood taking needle is used, in order to insert the vacuum blood taking test tube into the connecting tube for blood taking, the connecting tube needs to be held to insert the vacuum blood taking test tube, so that the needle head puncturing the vein of a patient can be driven, and pain is caused to the puncture point of the patient.
Therefore, there is a need for a new intravenous blood collection needle that solves the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel venous blood taking needle with rock when can reducing the blood sampling, avoid the secondary injury.
The utility model provides a novel venous blood taking needle includes: a vacuum blood collection tube; a connecting structure connected to the vacuum blood collection tube; the fixing structure is connected with the connecting structure and comprises a fixing rod, a button, a first connecting rod, a fixing plate, a hole, a first spring, a second connecting rod and a second spring, the fixing rod is installed on the side wall of the connecting structure, one end of the second spring is installed on the side wall of the connecting structure, one end of the first connecting rod is fixedly connected with the other end of the second spring, the fixing plate is installed at the other end of the first connecting rod, the hole is formed in the side wall of the fixing rod, the second connecting rod is installed on the side wall of the first connecting rod, one end of the first spring is installed on the side wall of the second connecting rod, and the button is installed at the other end of the first spring; a puncture structure connected to the connection structure.
Preferably, connection structure includes connecting pipe and tail needle, connecting pipe fixed connection the vacuum test tube, the tail needle install in the inner wall of connecting pipe.
Preferably, the puncture structure includes transfer line, needle wing, cylinder, needle cap and syringe needle, the one end fixed connection of transfer line connection structure, the cylinder install in the other end of transfer line, the needle wing with the transfer line symmetry install in the lateral wall of cylinder, the needle cap install in the lateral wall of cylinder, the syringe needle block the needle cap.
Preferably, the cross section of the button is arc-shaped, and the inner diameter of the button is larger than that of the second connecting rod.
Preferably, the cross section of the fixing plate is arc-shaped, and the fixing plate and the first connecting rod are in a vertical relation.
Compared with the prior art, the utility model provides a novel vein blood taking needle has following beneficial effect:
the utility model provides a novel venous blood taking needle, wherein the fixed rod is arranged on the side wall of the connecting structure, one end of a second spring is arranged on the side wall of the connecting structure, one end of a first connecting rod is fixedly connected with the other end of the second spring, the fixed plate is arranged on the other end of the first connecting rod, a hole is arranged on the side wall of the fixed rod, the second connecting rod is arranged on the side wall of the first connecting rod, one end of the first spring is arranged on the side wall of the second connecting rod, a button is arranged on the other end of the first spring, the first connecting rod is pulled to drive the second connecting rod to move through the arrangement of the button, the second connecting rod drives the first spring to move, the first spring drives the button to move, when the button moves to the hole, the first spring loses the extrusion of dead lever inner wall, will the button pops out, then places the fixed plate and takes a blood sample bench, holds connection structure inserts the in-process that the blood sampling was prepared to the vacuum test tube, the fixed plate makes connection structure is stable not to rock, avoids driving at the in-process of taking a blood sample puncture structure rocks and causes the secondary damage.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the novel venous blood taking needle provided by the invention;
FIG. 2 is a schematic structural view of the puncturing structure shown in FIG. 1;
FIG. 3 is a schematic structural view of the fastening structure shown in FIG. 1;
fig. 4 is an enlarged schematic view of the fixing structure shown in fig. 3.
Reference numbers in the figures: 1. vacuum blood collection tube, 2, connection structure, 21, connecting tube, 22, tail needle, 3, fixing structure, 31, fixing rod, 32, button, 33, first connecting rod, 34, fixing plate, 35, hole, 36, first spring, 37, second connecting rod, 38, second spring, 4, puncture structure, 41, transfusion tube, 42, needle wing, 43, syringe, 44, needle cap, 45, needle head.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural view of a preferred embodiment of the novel intravenous blood taking needle of the present invention; FIG. 2 is a schematic structural view of the puncturing structure shown in FIG. 1; FIG. 3 is a schematic structural view of the fastening structure shown in FIG. 1; fig. 4 is an enlarged schematic view of the fixing structure shown in fig. 3. Novel vein blood taking needle includes: vacuum test tube 1, connection structure 2, fixed knot construct 3 and puncture structure 4, connection structure 2 connect in vacuum test tube 1, fixed knot construct 3 connect in connection structure 2, puncture structure 4 connect in connection structure 2.
In a specific implementation process, as shown in fig. 1 and 3, the fixing structure 3 includes a fixing rod 31, a button 32, a first connecting rod 33, a fixing plate 34, a hole 35, a first spring 36, a second connecting rod 37 and a second spring 38, the fixing rod 31 is installed on a side wall of the connecting structure 2, one end of the second spring 38 is installed on a side wall of the connecting structure 2, one end of the first connecting rod 33 is fixedly connected to the other end of the second spring 38, the fixing plate 34 is installed on the other end of the first connecting rod 33, the hole 35 is formed in the side wall of the fixing rod 31, the second connecting rod 37 is installed on a side wall of the first connecting rod 33, one end of the first spring 36 is installed on a side wall of the second connecting rod 37, and the button 32 is installed on the other end of the first spring 36.
Referring to fig. 1 and 2, the connection structure 2 includes a connection tube 21 and a tail needle 22, the connection tube 21 is fixedly connected to the vacuum blood collection tube 1, the tail needle 22 is installed on the inner wall of the connection tube 21, the patient's vein is punctured through the puncture structure 4, and then the vacuum blood collection tube 1 is inserted into the connection tube 21, connected to the tail needle 22, and blood is sucked into the tube by using the negative pressure in the test tube.
Referring to fig. 1 and 2, the puncture mechanism 4 includes a liquid transport tube 41, a needle wing 42, a needle cylinder 43, a needle cap 44 and a needle 45, one end of the liquid transport tube 41 is fixedly connected to the connection mechanism 2, the needle cylinder 43 is mounted at the other end of the liquid transport tube 41, the needle wing 42 and the liquid transport tube 41 are symmetrically mounted on a sidewall of the needle cylinder 43, the needle cap 44 is mounted on a sidewall of the needle cylinder 43, the needle 45 engages with the needle cap 44, the needle cap 44 is pulled out, the needle wing 42 is pinched to align with a vein puncture point of a patient for puncturing, and the needle 45 is fixed by a medical bandage to prepare for blood collection.
Referring to fig. 1 and 4, the cross-section of the button 32 is arc-shaped, and the inner diameter of the button 32 is larger than that of the second connecting rod 37, so that when the button 32 is pressed, the second connecting rod 37 is prevented from interfering the button 32 to move into the fixing rod 31.
Referring to fig. 3, the cross section of the fixing plate 34 is arc-shaped, and the fixing plate 34 and the first connecting rod 33 are perpendicular to each other, and the first connecting rod 33 is pulled to drive the fixing plate 34 to move, so that the fixing plate 34 is placed on a blood sampling table to hold the connecting structure 2, and the vacuum blood collection tube 1 is inserted into the connecting structure 2, so that the connecting structure 2 is prevented from shaking and dragging the puncturing structure 4.
The utility model provides a novel venous blood taking needle's theory of operation as follows:
when in use, firstly, the first connecting rod 33 is pulled by hand to drive the second connecting rod 37 to move, the second connecting rod 37 drives the first spring 36 to move, the first spring 36 drives the button 32 to move, when the button 32 moves to the hole 35, the first spring 36 loses the extrusion of the inner wall of the fixing rod 31, the button 32 is ejected, then the fixing plate 34 is placed on a blood collection table, the needle cap 44 is pulled out by hand, then the needle wing 42 is pinched by hand to insert the needle 45 into a vein puncture point of a patient, then the needle is fixed by a medical bandage, the connecting pipe 21 is held by hand, then the vacuum blood collection pipe 1 is held by the other hand to extend the vacuum blood collection pipe 1 into the connecting pipe 21, the tail needle 22 is inserted into the vacuum blood collection pipe 1, and blood collection with the inside of the vacuum blood collection pipe 1 is completed, the vacuum blood collection tube 1 is pulled out, then the medical bandage is torn off, the needle wing 42 is pinched, the needle 45 is pulled out, then the button 32 is pressed, the button 32 extrudes the first spring 36 to move in the fixing rod 31, when the button 32 is completely moved to the inside of the fixing rod 31, the second spring 38 contracts to drive the first connecting rod 33 to move to the inside of the fixing rod 31, and the fixing plate 34 is driven to move to the bottom end of the fixing rod 31.
Compared with the prior art, the utility model provides a novel vein blood taking needle has following beneficial effect:
the utility model provides a novel venous blood taking needle, the fixed rod 31 is installed on the side wall of the connecting structure 2, one end of the second spring 38 is installed on the side wall of the connecting structure 2, one end of the first connecting rod 33 is fixedly connected with the other end of the second spring 38, the fixed plate 34 is installed on the other end of the first connecting rod 33, the hole 35 is arranged on the side wall of the fixed rod 31, the second connecting rod 37 is installed on the side wall of the first connecting rod 33, one end of the first spring 36 is installed on the side wall of the second connecting rod 37, the button 32 is installed on the other end of the first spring 36, through the setting of the button 32, the first connecting rod 33 is pulled to drive the second connecting rod 37 to move, the second connecting rod 37 drives the first spring 36 to move, the first spring 36 drives the button 32 to move, the button 32 moves to during the hole 35, first spring 36 loses the extrusion of dead lever 31 inner wall, will the button 32 pops out, then places fixed plate 34 on the blood sampling platform, holds connection structure 2 is inserting the in-process that vacuum blood collection tube 1 prepared the blood sampling, fixed plate 34 makes connection structure 2 is stable not rocked, avoids driving at the in-process of blood sampling puncture structure 4 rocks and causes the secondary damage.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (5)
1. A novel venous blood taking needle is characterized by comprising:
a vacuum blood collection tube (1);
a connecting structure (2), wherein the connecting structure (2) is connected to the vacuum blood collection tube (1);
the fixing structure (3) is connected to the connecting structure (2), the fixing structure (3) comprises a fixing rod (31), a button (32), a first connecting rod (33), a fixing plate (34), a hole (35), a first spring (36), a second connecting rod (37) and a second spring (38), the fixing rod (31) is installed on the side wall of the connecting structure (2), one end of the second spring (38) is installed on the side wall of the connecting structure (2), one end of the first connecting rod (33) is fixedly connected with the other end of the second spring (38), the fixing plate (34) is installed on the other end of the first connecting rod (33), the hole (35) is formed in the side wall of the fixing rod (31), and the second connecting rod (37) is installed on the side wall of the first connecting rod (33), one end of the first spring (36) is mounted on the side wall of the second connecting rod (37), and the button (32) is mounted on the other end of the first spring (36);
a piercing structure (4), the piercing structure (4) being connected to the connecting structure (2).
2. A new intravenous blood collection needle as claimed in claim 1, characterized in that the connection structure (2) comprises a connection tube (21) and a tail needle (22), the connection tube (21) is fixedly connected with the evacuated blood collection tube (1), the tail needle (22) is mounted on the inner wall of the connection tube (21).
3. The novel venous blood collection needle according to claim 1, characterized in that the puncture structure (4) comprises a liquid conveying pipe (41), needle wings (42), a needle cylinder (43), a needle cap (44) and a needle head (45), one end of the liquid conveying pipe (41) is fixedly connected with the connecting structure (2), the needle cylinder (43) is installed at the other end of the liquid conveying pipe (41), the needle wings (42) and the liquid conveying pipe (41) are symmetrically installed on the side wall of the needle cylinder (43), the needle cap (44) is installed on the side wall of the needle cylinder (43), and the needle head (45) is clamped with the needle cap (44).
4. A new intravenous blood lancet as claimed in claim 1, characterised in that the button (32) is arc-shaped in cross-section and the inner diameter of the button (32) is greater than the inner diameter of the second connecting rod (37).
5. A new intravenous blood lancet as claimed in claim 1, characterised in that the fixing plate (34) is arc-shaped in cross-section and the fixing plate (34) and the first connecting rod (33) are in a perpendicular relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020003589.1U CN211534452U (en) | 2020-01-02 | 2020-01-02 | Novel venous blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020003589.1U CN211534452U (en) | 2020-01-02 | 2020-01-02 | Novel venous blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211534452U true CN211534452U (en) | 2020-09-22 |
Family
ID=72489631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020003589.1U Expired - Fee Related CN211534452U (en) | 2020-01-02 | 2020-01-02 | Novel venous blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211534452U (en) |
-
2020
- 2020-01-02 CN CN202020003589.1U patent/CN211534452U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 Termination date: 20210102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |