CN214911746U - Device convenient to indwelling needle bloodletting washes - Google Patents
Device convenient to indwelling needle bloodletting washes Download PDFInfo
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- CN214911746U CN214911746U CN202022779025.XU CN202022779025U CN214911746U CN 214911746 U CN214911746 U CN 214911746U CN 202022779025 U CN202022779025 U CN 202022779025U CN 214911746 U CN214911746 U CN 214911746U
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- way valve
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Abstract
The utility model relates to a device convenient to keep somewhere needle bloodletting and wash, including keeping somewhere needle connecting pipe, three-way valve, washing pipe, infusion bag and flush fluid receiving flask, the three-way valve respectively with keep somewhere the needle connecting pipe wash the pipe with the flush fluid receiving flask is connected, infusion bag with the other end that washes the pipe is connected, be equipped with three-way valve joint and syringe joint on the flush fluid receiving flask, three-way valve joint with the syringe connects coaxial and opening opposite direction, the flush fluid receiving flask passes through three-way valve joint with three-way valve connection. The utility model discloses can conveniently wash the operation to keeping somewhere the needle when using to keep somewhere the needle and drawing blood, prevent to block up to prevent that the flush fluid from leaking, reduce the operating procedure.
Description
The technical field is as follows:
the utility model relates to the technical field of medical infusion appliances, in particular to a device convenient for an indwelling needle to draw blood and wash.
Background art:
the use of remaining needle can reduce the patient because of relapse the misery that the vein puncture caused and the fear of making the needle feels, be convenient for clinical medicine and urgency, critical patient's rescue medicine, alleviate nurse's work load, reduce patient's pain, therefore in clinical by the wide application, because the patient of long-term treatment often needs to draw blood to carry out the chemical examination, in order to reduce the number of times of vascular puncture, save time, also can adopt clinically to keep somewhere the needle and carry out the scheme of taking a blood sample, but there are some shortcomings through keeping somewhere the needle blood sampling, because the incomplete infusion liquid medicine that leaves in the needle, at first will keep somewhere the syringe for the liquid that persists in the needle and take out, still need to take out some blood simultaneously and abandon, just can guarantee the purity and the chemical examination accuracy of the blood in keeping somewhere the needle, if remain blood in the pipe after keeping somewhere the needle blood sample and do not wash cleanly, the stifled pipe can take place during later stage infusion. The method of connecting a three-way pipe between an indwelling needle and a flushing bag is also used clinically for flushing the indwelling needle and a catheter, the indwelling needle is connected through one end of the three-way pipe, flushing liquid is input into one end of the three-way pipe, and the other end of the three-way pipe is inserted into a syringe needle to draw blood for testing. Patent No. zl201920913721.x is through setting up converter and blood sampling part in keeping somewhere the needle main part, during the use directly peg graft the transfusion system on the converter, rotatory fixed joint takes off the converter from the transfer line after the infusion is accomplished, then extract the transfusion system again, thereby having avoided the transfusion system to pull out when keeping somewhere the needle main part and being connected and dragging to keeping somewhere the needle, the messenger keeps somewhere the needle and drops, and because it is located the needle tubing to draw the blood vessel, directly draw blood from keeping somewhere earlier position in the needle when drawing blood, the position that blood process liquid medicine flows through has been reduced, thereby avoid in more liquid medicine gets into blood, blood purity and assay degree of accuracy have been improved. However, the structure is inconvenient for flushing the blood drawing tube, residual blood in the blood drawing tube after use cannot be flushed completely, the blood drawing tube may be blocked due to coagulation, the next blood drawing operation is affected, and the flushing operation through the syringe is complicated.
The utility model has the following contents:
technical problem to be solved
The utility model aims at providing a device convenient to keep somewhere needle bloodletting and wash for keep somewhere washing after the needle bloodletting, solve present remaining needle remaining blood after the use and can condense and lead to taking out the blood vessel and block up, influence next bloodletting, the loaded down with trivial details problem of operating procedure.
The technical scheme is as follows:
in order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a device convenient to indwelling needle bloodletting washes, includes indwelling needle connecting pipe, three-way valve, washes pipe, infusion bag and flush fluid receiving flask, the three-way valve respectively with indwelling needle connecting pipe wash the pipe with the flush fluid receiving flask is connected, infusion bag with the other end that washes the pipe is connected, be equipped with three-way valve joint and syringe joint on the flush fluid receiving flask, three-way valve joint with the syringe connects coaxial and opening opposite direction, the flush fluid receiving flask passes through three-way valve joint with three-way valve connection.
The indwelling needle connecting pipe is used for being connected with an indwelling needle on a patient body, the three-way valve is used for controlling the flushing catheter, the flushing fluid collecting bottle and the indwelling needle connecting pipe to be communicated and shut off, when blood drawing and testing are needed, the three-way valve is controlled to ensure that the flushing fluid collecting bottle and the indwelling needle connecting pipe are communicated, the flushing catheter is closed, heparin liquid, liquid medicine or blood in the indwelling needle on the patient body enters the flushing fluid collecting bottle through the indwelling needle connecting pipe, when all the blood flows out of the patient is the blood of the patient, the syringe is inserted into the syringe connector and extends into the three-way valve connector, the blood of the patient is drawn and tested, the three-way valve is controlled after the blood drawing is finished, the indwelling needle connecting pipe is closed to ensure that the flushing catheter is communicated with the flushing fluid collecting bottle, and the physiological saline in the infusion bag flows into the flushing fluid collecting bottle to be flushed, then control the three-way valve, close the flush fluid collecting bottle, make wash the pipe with keep somewhere needle connecting pipe intercommunication, normal saline in the infusion bag is right keep somewhere needle connecting pipe and keep somewhere the needle and wash, prevent to keep somewhere remaining blood in the needle, avoid taking place to block up, the operation of drawing blood of next time of being convenient for, the operation of drawing blood only need use a syringe, has effectively simplified the operating procedure.
Further, the flush fluid collecting bottle is flexible transparent plastic material, be equipped with the ripple section on the outer wall of flush fluid collecting bottle, the ripple section is convenient for connect compress before the three-way valve the flush fluid collecting bottle makes produce the negative pressure in the flush fluid collecting bottle to heparin liquid, liquid medicine or blood in the needle are kept somewhere through the negative pressure absorption before drawing blood, guarantee the blood purity of extraction, avoid influencing the chemical examination result.
Furthermore, the flushing catheter is provided with an adjusting valve, and the adjusting valve is used for controlling the flushing time and the water flow of the physiological saline in the infusion bag, so that the use convenience is improved.
Furthermore, a rubber sealing plug is arranged in the syringe joint, after a syringe needle passes through the rubber sealing plug and enters the three-way valve joint to draw blood of a patient, the rubber sealing plug ensures the sealing performance of the syringe joint, and liquid in the flushing liquid collecting bottle is prevented from leaking.
Furthermore, the distance between the three-way valve joint and the injector joint is 1-3cm, so that a common injector needle can conveniently penetrate through the injector joint to enter the three-way valve joint to draw blood.
(III) the beneficial effects are as follows:
compared with the prior art, the utility model discloses the beneficial effect who produces is: keep somewhere the needle connecting pipe through adopting the three-way valve to connect respectively, wash pipe and flush fluid receiving flask, set up coaxial and opening opposite direction's three way connection and syringe joint on the flush fluid receiving flask, can be when keeping somewhere the needle through patient on one's body and drawing blood the chemical examination, guarantee the purity of extraction blood, and wash remaining blood in keeping somewhere the needle after drawing blood, compare in ordinary three-way pipe, the blood that remains on syringe joint and three way connection among the blood drawing process of this project can be washed and get into the flush fluid receiving flask, can not coagulate and lead to the jam, also can not leak and cause the pollution, do benefit to next time and draw blood, and effectively simplify the operating procedure who draws blood.
Description of the drawings:
in order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of a device for facilitating blood drawing and flushing of an indwelling needle according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the device for facilitating blood withdrawal and flushing of an indwelling needle in accordance with an embodiment of the present invention in use;
in the figure: 1. a remaining needle connecting tube; 2. a three-way valve; 3. flushing the catheter; 4. an infusion bag; 5. a washing liquid collecting bottle; 6. a three-way valve joint; 7. a syringe adapter; 8. a corrugated section; 9. adjusting a valve; 10. a rubber sealing plug; 11. an injector; 12. indwelling needle
The specific implementation mode is as follows:
the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 and 2 a device convenient to it draws blood and washes to keep somewhere needle, including keeping somewhere needle connecting pipe 1, three-way valve 2, wash conduit 3, infusion bag 4 and flush fluid receiving flask 5, three-way valve 2 respectively with keep somewhere needle connecting pipe 1, wash conduit 3 and flush fluid receiving flask 5 are connected, infusion bag 4 is connected with the other end that washes conduit 3, be equipped with three way valve joint 6 and syringe joint 7 on the flush fluid receiving flask 5, three way valve joint 6 and syringe joint 7 are coaxial and opening opposite direction, flush fluid receiving flask 5 passes through three way valve joint 6 and is connected with three-way valve 2.
Preferably, flush fluid receiving flask 5 is flexible transparent plastic material, is equipped with ripple section 8 on the outer wall of flush fluid receiving flask 5, and ripple section 8 is convenient for compress flush fluid receiving flask 5 before connecting three-way valve 2, makes the interior negative pressure that produces of flush fluid receiving flask 5 to heparin liquid, liquid medicine or blood in the needle are kept somewhere through the negative pressure absorption before drawing blood, guarantee the blood purity of extraction, avoid influencing the chemical examination result.
Preferably, the flushing conduit 3 is provided with an adjusting valve 9, and the adjusting valve 9 is used for controlling the flushing time and the water flow of the physiological saline in the infusion bag 4, so that the use convenience is improved.
Preferably, a rubber sealing plug 10 is arranged in the syringe joint 7, and after the syringe needle passes through the rubber sealing plug 10 and enters the three-way valve joint 6 to draw blood of a patient, the rubber sealing plug 10 ensures the tightness of the syringe joint 7 and prevents liquid in the flushing liquid collecting bottle 5 from leaking.
Preferably, the distance between the three-way valve connector 6 and the syringe connector 7 is 1-3cm, which facilitates the drawing of blood from a conventional syringe needle through the syringe connector 7 into the three-way valve connector 6.
The embodiment of the utility model provides a be convenient for keep somewhere needle bloodletting and wash device's application method as follows:
when blood drawing and testing are required to be carried out through the indwelling needle 12 on the patient, the indwelling needle connecting pipe 1 is connected with the indwelling needle 12, the flushing fluid collecting bottle 5 is extruded, enough negative pressure is generated in the flushing fluid collecting bottle 5, the three-way valve joint 6 is connected with the three-way valve 2, the three-way valve 2 is controlled, the flushing fluid collecting bottle 5 is communicated with the indwelling needle connecting pipe 1, the flushing catheter 3 is closed, heparin liquid, liquid medicine or blood in the indwelling needle 12 on the patient enters the flushing fluid collecting bottle 5 through the indwelling needle connecting pipe 1, when all the flowing out is the patient blood, the syringe 11 is inserted into the syringe joint 7 and extends into the three-way valve joint 6, the patient blood is drawn for testing, the three-way valve 2 is controlled after the blood drawing is finished, the indwelling needle connecting pipe 1 is closed, the flushing catheter 3 is communicated with the flushing fluid collecting bottle 5, and physiological saline in the infusion bag 4 flows into the flushing fluid collecting bottle 5 to flush the three-way valve joint 6, then control three-way valve 2, close flush fluid collecting bottle 5, make flush catheter 3 and keep somewhere needle connecting pipe 1 intercommunication, the normal saline in infusion bag 4 washes keeping somewhere needle connecting pipe 1 and keeping somewhere needle 12, prevents to keep somewhere remaining blood in the needle 12, avoids taking place to block up, is convenient for next time to draw blood the operation, draws blood the operation and only need use syringe 11 once, has effectively simplified the operating procedure.
To sum up, the utility model provides a device that is convenient for keep somewhere needle bloodletting and washes for keep somewhere washing after the needle bloodletting, solve and to keep somewhere that needle remaining blood after the use can coagulate and lead to drawing blood vessel and block up, influence next bloodletting, the loaded down with trivial details problem of operating procedure.
The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.
Claims (5)
1. The utility model provides a device convenient to indwelling needle bloodletting washes which characterized in that: including keeping somewhere needle connecting pipe, three-way valve, wash pipe, infusion bag and flush fluid receiving flask, the three-way valve respectively with keep somewhere the needle connecting pipe wash the pipe with the flush fluid receiving flask is connected, infusion bag with the other end that washes the pipe is connected, be equipped with three-way valve joint and syringe joint on the flush fluid receiving flask, three-way valve joint with the syringe connects coaxial and opening opposite direction, the flush fluid receiving flask passes through three-way valve joint with three-way valve connection.
2. A device for facilitating blood drawing and flushing of an indwelling needle as claimed in claim 1, wherein: the washing liquid collecting bottle is made of flexible transparent plastic, and a corrugated section is arranged on the outer wall of the washing liquid collecting bottle.
3. A device for facilitating blood drawing and flushing of an indwelling needle as claimed in claim 1, wherein: the flushing catheter is provided with a regulating valve.
4. A device for facilitating blood drawing and flushing of an indwelling needle as claimed in claim 1, wherein: and a rubber sealing plug is arranged in the syringe joint.
5. A device for facilitating blood drawing and flushing of an indwelling needle as claimed in claim 1, wherein: the distance between the three-way valve joint and the injector joint is 1-3 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022779025.XU CN214911746U (en) | 2020-11-26 | 2020-11-26 | Device convenient to indwelling needle bloodletting washes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022779025.XU CN214911746U (en) | 2020-11-26 | 2020-11-26 | Device convenient to indwelling needle bloodletting washes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214911746U true CN214911746U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022779025.XU Active CN214911746U (en) | 2020-11-26 | 2020-11-26 | Device convenient to indwelling needle bloodletting washes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214911746U (en) |
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2020
- 2020-11-26 CN CN202022779025.XU patent/CN214911746U/en active Active
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