CN210931458U - Venous blood taking needle with protection function - Google Patents
Venous blood taking needle with protection function Download PDFInfo
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- CN210931458U CN210931458U CN201921196131.6U CN201921196131U CN210931458U CN 210931458 U CN210931458 U CN 210931458U CN 201921196131 U CN201921196131 U CN 201921196131U CN 210931458 U CN210931458 U CN 210931458U
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- needle
- blood
- needle tubing
- transfusion tube
- blood transfusion
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Abstract
The utility model belongs to the technical field of medical equipment, concretely relates to venous blood taking needle with protect function, including needle tubing and blood transfusion tube, the needle tubing includes puncture needle tubing and blood sampling needle tubing, puncture needle tubing's needle tail is installed on first fixing base, and passes through first fixing base intercommunication blood transfusion tube's one end, blood sampling needle tubing's needle tail is installed on the second fixing base, and passes through second fixing base intercommunication blood transfusion tube's the other end, it is provided with the protection to slide respectively on the blood transfusion tube puncture needle tubing with two jacket structures of blood sampling needle tubing, jacket structure includes the lantern ring and pullover, the lantern ring for blood transfusion tube slides and is close to the needle tubing, the rethread pullover will including the needle tubing parcel. The utility model provides a present blood taking needle blood sampling end back syringe needle expose lead to medical personnel by the problem of accidental injury, infection.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of medical equipment, concretely relates to venous blood taking needle with protect function.
[ background of the invention ]
Venous blood sampling is a common blood sampling mode, the blood taking needle is the medical equipment that venous blood sampling is indispensable, pierce through the steel needle during use and get into in the blood vessel, rethread extension union coupling vacuum blood taking needle guides blood to the collecting pipe in, current blood taking needle is at the blood sampling end and extracts the back, because there is not needle cover protection, the pjncture needle point is whole to be exposed outside, cause the acupuncture wound easily, along with blood simultaneously and spill, easily pollute operator skin, thereby medical personnel by blood infection's risk has been increased, if AIDS, hepatitis B virus etc. are through the disease of blood propagation, to medical personnel's health, the psychology has caused the injury of different degrees.
[ Utility model ] content
The utility model aims to provide a: to the problem that above-mentioned exists, provide a venous blood taking needle with protect function, this utility model has solved the exposed problem that leads to medical personnel to be wounded, infect by mistake of syringe needle after current blood taking needle blood sampling finishes.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides a venous blood taking needle with protect function, includes needle tubing and blood transfusion tube, the needle tubing includes puncture needle tubing and blood sampling needle tubing, puncture needle tubing's needle tail is installed on first fixing base, and passes through first fixing base intercommunication blood transfusion tube's one end, blood sampling needle tubing's needle tail is installed on the second fixing base, and passes through second fixing base intercommunication blood transfusion tube's the other end, its characterized in that: the blood transfusion tube is provided with the protection of sliding respectively on the blood transfusion tube puncture needle tubing with two jacket structures of blood sampling needle tubing, the slip direction of jacket structure along the long direction of pipe of blood transfusion tube, the jacket structure includes the lantern ring and pullover, lantern ring slip cap is located outside the blood transfusion tube, its slip direction along the long direction of pipe of blood transfusion tube, pullover includes two semicircle ring posts, semicircle ring post respectively has one end to rotate to connect the lantern ring, the axis of rotation perpendicular to of semicircle ring post the axis of lantern ring, two semicircle ring post along with the lantern ring is close to for the slip of blood transfusion tube the needle tubing, and towards the syringe needle place of needle tubing rotates the back and forms the closed hollow cylinder who wraps the needle tubing through the lock.
Preferably, the first fixing seat is provided with a wing extending along the radial direction of the puncture needle tube, and the length of the wing extending out of the first fixing seat is smaller than the length of the inner radius of the hollow cylinder formed by the sleeve head.
Preferably, the puncture needle tube is detachably sleeved with a first needle cap.
Preferably, the blood taking needle tube shell is detachably sleeved with a second needle cap.
Preferably, the fastening member is disposed outside the sleeve head, and includes a first fastening member and a second fastening member that are matched with each other, the first fastening member and the second fastening member are respectively disposed on different semicircular columns, and the first fastening member and the second fastening member are respectively close to each other and fastened with each other along with the rotation of the semicircular columns and the approach of the needle tube.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a slip sheath structure on blood transfusion tube, solved the exposed problem that leads to medical personnel to be hurt by mistake, infect of syringe needle after the blood sampling of current blood taking needle finishes, specifically, when using, earlier through puncture needle tubing implements venipuncture, puncture in vacuum blood sampling tube with the blood sampling needle tubing again, under the effect of negative pressure, blood passes through blood transfusion tube is sucked in the blood sampling tube, after the blood sampling finishes, extract respectively puncture needle tubing with the blood sampling needle tubing, make one of them the lantern ring slide to suitable position along the department of first fixing base, make two semicircle ring posts on the lantern ring towards form sealed hollow cylinder through the lock on it after the syringe needle department of puncture needle tubing rotates, in order to wrap up in the hollow structure that forms with puncture needle tubing, make another the lantern ring towards the department of second base slides to suitable position, make two semicircle ring posts on this lantern ring towards the buckling piece lock on it forms closed hollow cylinder after the syringe needle place of blood sampling needle tubing rotates, in order to incite somebody to action blood sampling needle tubing parcel is in the hollow structure who forms, consequently, the setting of the last slip sheath structure of blood transfusion tube has solved the problem that the syringe needle exposes outside and leads to medical personnel not accidentally injure, infect after the blood sampling of prior art blood taking needle.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention before blood collection.
Fig. 2 is a schematic structural view of the needle tube of the present invention when the needle tube is wrapped in the sleeve structure.
Fig. 3 is a schematic cross-sectional view of a portion of the structure of fig. 2 in the direction a-a.
Fig. 4 is a schematic cross-sectional view of a portion of the structure of fig. 2 in the direction B-B.
Fig. 5 is a schematic view of the fastener of the present invention.
Description of the main element symbols:
in the drawings: 1-blood transfusion tube, 2-puncture needle tube, 3-blood sampling needle tube, 4-first fixing seat, 41-side wing, 5-second fixing seat, 6-protective sleeve structure, 61-lantern ring, 62-sleeve head, 621-semicircular column, 7-buckling piece, 71-first fastener, 72-second fastener, 8-first needle cap and 9-second needle cap.
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The drawings are only for purposes of illustration and are not intended to be limiting, certain elements of the drawings may be omitted, enlarged or reduced to better illustrate the embodiments of the present invention, and do not represent the size of the actual product, and it is understood that some well-known structures, elements and descriptions thereof in the drawings may be omitted for persons skilled in the art.
In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-5, in a preferred embodiment of the present invention, a venous blood collection needle with protection function includes a needle tube and a blood transfusion tube 1, the needle tube includes a puncture needle tube 2 and a blood collection needle tube 3, a needle tail of the puncture needle tube 2 is mounted on a first fixing seat 4 and is communicated with one end of the blood transfusion tube 1 through the first fixing seat 4, a needle tail of the blood collection needle tube 3 is mounted on a second fixing seat 5 and is communicated with the other end of the blood transfusion tube 1 through the second fixing seat 5, two sheath structures 6 for protecting the puncture needle tube 2 and the blood collection needle tube 3 are respectively slidably disposed on the blood transfusion tube 1, a sliding direction of the sheath structures 6 is along a tube length direction of the blood transfusion tube 1, the sheath structures 6 include a sleeve 61 and a sleeve head 62, the sleeve 61 is slidably sleeved outside the blood transfusion tube 1, the sliding direction is along the length direction of the blood transfusion tube 1, in the utility model, the inner diameter of the lantern ring 61 is smaller than the first fixed 4 seats vertical to the section size of the puncture needle tube 2 in the length direction, and smaller than the second fixed seat 5 vertical to the section size of the blood sampling needle tube 3 in the length direction, so that the sliding range of the lantern ring 61 is between the two ends of the blood transfusion tube 1 to prevent the lantern ring 61 from sliding towards the needle of the needle tube and separating from the needle of the needle tube, and the function of preventing the naked needle from accidentally injuring the operator is not achieved, the sleeve head 62 comprises two semicircular columns 621, each semicircular column 621 is provided with one end rotatably connected with the lantern ring 61, the rotating axis of the semicircular columns 621 is vertical to the central axis of the lantern ring 61, the two semicircular columns 621 are close to the needle tube along with the lantern ring 61 slides relative to the blood transfusion tube 1, and is buckled by a buckling piece 7 after rotating towards the needle head of the needle tube to form a closed hollow cylinder for wrapping the needle tube. Further, the fastening member 7 is disposed outside the sleeve 62, and includes a first fastening member 71 and a second fastening member 72 that are matched with each other, the first fastening member 71 and the second fastening member 72 are respectively disposed on different semicircular columns 621, and the first fastening member 71 and the second fastening member 72 are respectively close to each other and fastened with each other as the semicircular columns 621 rotate to close to the needle tube.
Furthermore, a side wing 41 extends along the radial direction of the puncture needle on the first fixed seat 4, and the length of the side wing 41 extending out of the first fixed seat 4 is smaller than the length of the inner radius of the sleeve head 62 when forming a hollow cylinder, so that the side wing 41 pushes the puncture needle tube 2 to perform venipuncture and the puncture needle tube 2 is pulled out after blood collection is finished.
Before the blood taking needle is used, the blood taking needle is packaged in a sterile packaging bag, and in order to prevent the puncture needle tube 2 and the blood taking needle tube 3 from puncturing the packaging bag, a first needle cap 8 is further detachably sleeved outside the puncture needle tube 2; the shell of the blood sampling needle tube 3 is detachably sleeved with a second needle cap 9.
Before the blood taking needle is used, the sheath structure 6 can slide back and forth on the blood transfusion tube 1, and the two semicircular ring columns 621 on the lantern ring 61 are in a non-buckling state. When the blood taking needle is used, after the first needle cap 8 is detached, venipuncture is firstly carried out through the puncture needle tube 2, after the puncture is successful, the second needle cap 9 is detached, the blood taking needle tube 3 is punctured into a vacuum blood taking tube, and blood is sucked into the blood taking tube through the blood transfusion tube 1 under the action of negative pressure.
The utility model discloses in, the length of pullover 62 is greater than puncture needle pipe 2 with the length sum of first fixing base 4, and is greater than blood sampling needle pipe 3 with the length sum of second fixing base 5 to can with when it forms closed hollow cylinder puncture needle pipe 2 or blood sampling needle pipe 3 is wrapping up in it. After blood collection is finished, the puncture needle tube 2 and the blood collection needle tube 3 are respectively pulled out, one of the lantern rings 61 slides to a proper position along the position of the first fixing seat 4, the two semicircular columns 621 on the lantern ring 61 rotate towards the position of the needle head of the puncture needle tube 2, a closed hollow cylinder is formed by buckling the first fastener 71 and the second fastener 72, the puncture needle tube 2, the first fixing seat 4 and the side wing 41 on the first fixing seat 4 are wrapped in the formed hollow structure, the other lantern ring 61 slides to a proper position towards the position of the second base, the two semicircular columns 621 on the lantern ring 61 rotate towards the position of the needle head of the blood collection needle tube 3, and a closed hollow cylinder is formed by buckling the first fastener 71 and the second fastener 72, so as to wrap the blood sampling needle tube 3 and the second fixed seat 5 in the formed hollow structure, thereby preventing the needle head from being exposed to the outside to cause other accidental injuries and infections of medical staff.
The working principle is as follows:
when in use, after the first needle cap 8 is detached, venipuncture is firstly carried out through the puncture needle tube 2, after the puncture is successful, the second needle cap 9 is detached, the blood sampling needle tube 3 is punctured into a vacuum blood sampling tube, and blood is pumped into the blood sampling tube through the blood transfusion tube 1 under the action of negative pressure; after blood collection is finished, the puncture needle tube 2 and the blood collection needle tube 3 are respectively pulled out, one of the lantern rings 61 slides to a proper position along the position of the first fixing seat 4, the puncture needle tube 2 is wrapped in the lantern ring through the sleeve head 62, the other lantern ring 61 slides to a proper position along the position of the second fixing seat 5, and the blood collection needle tube 3 is wrapped in the lantern ring through the sleeve head 62.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (5)
1. The utility model provides a venous blood taking needle with protect function, includes needle tubing and blood transfusion tube, the needle tubing includes puncture needle tubing and blood sampling needle tubing, puncture needle tubing's needle tail is installed on first fixing base, and passes through first fixing base intercommunication blood transfusion tube's one end, blood sampling needle tubing's needle tail is installed on the second fixing base, and passes through second fixing base intercommunication blood transfusion tube's the other end, its characterized in that: the blood transfusion tube is provided with the protection of sliding respectively on the blood transfusion tube puncture needle tubing with two jacket structures of blood sampling needle tubing, the slip direction of jacket structure along the long direction of pipe of blood transfusion tube, the jacket structure includes the lantern ring and pullover, lantern ring slip cap is located outside the blood transfusion tube, its slip direction along the long direction of pipe of blood transfusion tube, pullover includes two semicircle ring posts, semicircle ring post respectively has one end to rotate to connect the lantern ring, the axis of rotation perpendicular to of semicircle ring post the axis of lantern ring, two semicircle ring post along with the lantern ring is close to for the slip of blood transfusion tube the needle tubing, and towards the syringe needle place of needle tubing rotates the back and forms the closed hollow cylinder who wraps the needle tubing through the lock.
2. A lancet with protection function according to claim 1, wherein: the first fixing seat is provided with a lateral wing extending along the radial direction of the puncture needle tube, and the length of the lateral wing extending out of the first fixing seat is smaller than the length of the inner radius of the sleeve head when a hollow cylinder is formed.
3. A lancet with protection function according to claim 1, wherein: the puncture needle is externally detachably sleeved with a first needle cap.
4. A lancet with protection function according to claim 1, wherein: the blood taking needle tube shell is detachably sleeved with a second needle cap.
5. A lancet with protection function according to claim 1, wherein: the buckling piece is arranged outside the sleeve head and comprises a first buckling piece and a second buckling piece which are matched with each other, the first buckling piece and the second buckling piece are arranged on different semicircular columns respectively, and the first buckling piece and the second buckling piece are close to each other and buckled with each other along with the semicircular columns rotating to be close to the needle tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921196131.6U CN210931458U (en) | 2019-07-26 | 2019-07-26 | Venous blood taking needle with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921196131.6U CN210931458U (en) | 2019-07-26 | 2019-07-26 | Venous blood taking needle with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210931458U true CN210931458U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921196131.6U Active CN210931458U (en) | 2019-07-26 | 2019-07-26 | Venous blood taking needle with protection function |
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| Country | Link |
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| CN (1) | CN210931458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350221A (en) * | 2023-04-21 | 2023-06-30 | 南方医科大学南方医院 | Blood taking needle capable of preventing needle from being punctured |
-
2019
- 2019-07-26 CN CN201921196131.6U patent/CN210931458U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350221A (en) * | 2023-04-21 | 2023-06-30 | 南方医科大学南方医院 | Blood taking needle capable of preventing needle from being punctured |
| CN116350221B (en) * | 2023-04-21 | 2024-03-29 | 南方医科大学南方医院 | Blood taking needle capable of preventing needle from being punctured |
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