CN215272726U - Artery pressure-measuring pipe blood sampling auxiliary device - Google Patents
Artery pressure-measuring pipe blood sampling auxiliary device Download PDFInfo
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- CN215272726U CN215272726U CN202023049768.8U CN202023049768U CN215272726U CN 215272726 U CN215272726 U CN 215272726U CN 202023049768 U CN202023049768 U CN 202023049768U CN 215272726 U CN215272726 U CN 215272726U
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Abstract
The utility model discloses a blood sampling auxiliary device of an artery pressure measuring tube, which comprises a connecting tube connected in an artery pressure measuring pipeline, wherein the tube wall of the connecting tube is provided with a first round hole and a second round hole, the first round hole is close to one end of the connecting tube, the second round hole is close to the other end of the connecting tube, and separating membranes are respectively arranged in the first round hole and the second round hole; still include half columniform safety cover, the both ends of safety cover respectively are equipped with an annular locating plate, the axis of plane perpendicular to safety cover at annular locating plate place, the both ends of connecting pipe respectively are equipped with a first annular positioning groove, annular locating plate hoop is established in first annular positioning groove, makes the safety cover has the degree of freedom along connecting pipe circumference motion. The utility model discloses can reduce the incidence that the needle pricked in the artery blood sampling process, reduce the hematogenous nature and pollute and arterial blood dilutes the blood gas analysis result that causes and does not accord with reality, can also block heparin water fast at the blood sampling in-process.
Description
Technical Field
The utility model relates to the technical field of medical auxiliary equipment, concretely relates to artery piezometer tube blood sampling auxiliary device.
Background
The arterial blood gas analysis can objectively reflect the respiratory function and the metabolic function of a human body, is the most reliable index and basis for diagnosing respiratory failure and acid-base balance disorder, and has important significance for guiding oxygen therapy, mechanical ventilation and the like.
Arterial blood specimens are one of the most sensitive specimens for blood gas analysis, and improper specimen collection may affect the accuracy of the detection result. The method is widely applied to heart large vessel surgery because of the advantages of accurately and timely reflecting the change condition of arterial blood pressure, extracting arterial blood at any time for blood gas analysis and the like, and is also the preferred method for monitoring blood pressure after the operation and critical patients.
At present, two methods are mainly used for collecting blood by an arterial manometry pipeline at home and abroad: 1. the non-steel needle type: taking off the heparin cap to disinfect the tee joint, inserting a 5ml syringe into the deepest part of the tee joint through a heparin cap of an arterial catheter, and drawing out the syringe to completely discharge the diluted arterial blood after the diluted heparin water in the extraction pipeline slightly sees the blood; inserting the 5ml syringe into the deepest part of the tee joint again to draw blood to 5ml, and ensuring that the anticoagulant is completely drawn; the arterial blood is collected by replacing a 1ml syringe, the arterial blood is carefully and uniformly mixed after the arterial blood is collected, the blood in the 5ml syringe is injected into the tee joint again, the force is uniform during the injection, a new heparin cap is placed, and anticoagulant is injected through the connecting pipe, so that the smoothness of the arterial catheterization is ensured. 2. Steel needle type: after the heparin cap is disinfected, a 10ml syringe front end steel needle is inserted into the heparin cap, the proximal end of the syringe is used for drawing 5ml of blood, after the distal end of the syringe is used for drawing 10ml of blood (the needle needs to be shallow and the needle is not pulled out), a 1ml syringe steel needle is inserted into the same heparin cap, arterial blood is collected and then is pulled out, diluted blood in the 10m l syringe is injected into an arterial pipeline, the force is uniform during injection, the syringe is pulled out after the blood in the three-way heparin cap is washed clean, the heparin cap is disinfected, anticoagulant is injected through a connecting pipe, and the smoothness of an arterial catheterization pipe is guaranteed.
The two blood sampling modes have defects, and are free of steel needle type: the injector is repeatedly put in through the same three-way port, so that pollution is easily caused; during the operation process, blood easily overflows from the three-way opening to cause iatrogenic infection, particularly for patients with infectious diseases, the blood is easy to agglutinate at the spiral opening of the three-way opening, the cleaning and the disinfection are not thorough, the blood circulation infection is easy to occur, and if the treatment towel is wrapped outside the three-way opening, the treatment towel needs to be replaced at any time; each time of operation, a heparin cap needs to be replaced, and medical consumables are added; the operation time is long. Steel needle type: the occurrence of needle stick injuries is easy to cause; the dilution of blood easily influences the accuracy of analysis results during operation, and the subsequent intervention results are improper.
Disclosure of Invention
The utility model aims at providing an artery piezometer tube auxiliary device that takes a blood sample can reduce the incidence of the puncture wound in the artery blood sampling process, reduces the blood gas analysis result that blood source nature pollution and arterial blood dilution caused and does not accord with reality, can also block heparin water fast in the blood sampling process.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: a blood sampling auxiliary device of an artery pressure measuring tube comprises a connecting tube connected in an artery pressure measuring pipeline, wherein a first round hole and a second round hole for inserting the top end of an injector are formed in the tube wall of the connecting tube, the connecting line of the circle center of the first round hole and the circle center of the second round hole is parallel to the axis of the connecting tube, the first round hole is close to one end of the connecting tube, the second round hole is close to the other end of the connecting tube, and separating membranes are arranged in the first round hole and the second round hole;
still include half columniform safety cover, the both ends of safety cover respectively are equipped with an annular locating plate, the axis of plane perpendicular to safety cover at annular locating plate place, the both ends of connecting pipe respectively are equipped with a first annular positioning groove, annular locating plate hoop is established in first annular positioning groove, makes the safety cover has the degree of freedom along connecting pipe circumference motion.
In the above technical scheme, a shutoff assembly is further arranged at one end of the connecting pipe close to the first round hole, and the shutoff assembly is in threaded connection with the connecting pipe.
In the above technical scheme, the intercepting component includes a first intercepting pipe and a second intercepting pipe which can rotate relatively, a first intercepting surface is arranged on one side of the first intercepting pipe close to the second intercepting pipe, a second intercepting surface is arranged on one side of the second intercepting pipe close to the first intercepting pipe, the first intercepting surface is tightly attached to the second intercepting surface, a first diversion hole is arranged on the first intercepting surface, a second diversion hole is arranged on the second intercepting surface, and the first diversion hole and the second diversion hole are consistent in size.
In the above technical solution, the first intercepting surface is lower than the side wall of the first intercepting pipe to form a concave portion, the second intercepting surface is higher than the side wall of the second intercepting pipe to form a convex portion, the convex portion is embedded in the concave portion to form a rotational connection, wherein a second annular positioning groove is provided on the inner wall of the concave portion, an annular positioning protrusion is provided on the outer wall of the convex portion, and the annular positioning protrusion is embedded in the second annular positioning groove in a matching manner.
In the above technical scheme, a sealing ring is arranged between the inner wall of the concave part and the outer wall of the convex part, and the sealing ring is located on the outer side of the second annular positioning groove.
In the above technical solution, a first indication arrow is arranged on an outer wall of the first intercepting pipe, and a second indication arrow representing conduction and a third indication arrow representing interception are arranged on an outer wall of the second intercepting pipe;
when the first indicating arrow is aligned with the second indicating arrow, the first diversion hole is completely overlapped with the second diversion hole; when the first indication arrow is aligned with the third indication arrow, the first diversion hole and the second diversion hole are completely staggered.
In the technical scheme, the inner surface and the outer surface of the separation film are flush with the inner wall and the outer wall of the connecting pipe respectively.
In the technical scheme, a damping pad is respectively arranged between two sides of the annular positioning plate and the inner walls of two sides of the first annular positioning groove, and the damping pad is in interference fit with the annular positioning plate and the first annular positioning groove.
In the technical scheme, the inner surface of the protective cover is provided with the antibacterial pad.
In the technical scheme, the outer surface of the protective cover is provided with the plurality of anti-skidding salient points.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. the utility model discloses an use the connecting pipe that has two round holes to replace the tee bend on the current artery piezometer tube, be provided with the biomembrane in the round hole, it is when needing the blood sampling, draw the discarded blood that the ration was diluted by the heparin water from first round hole earlier, and block the heparin water temporarily through the subassembly that dams, draw the blood sample from the second round hole again, can reduce the incidence of acupuncture wound in the artery blood sampling process, it is actually inconsistent to reduce the blood gas analysis result that blood source nature pollutes and arterial blood dilutes and cause, reduce the incidence of iatrogenic source infection, reduce the consumption rate of medical consumables, reduce medical personnel's work load, improve patient's satisfaction, and use the subassembly that dams, can block the heparin water fast in the blood sampling process, and the operation is simple and convenient;
2. the utility model discloses a still be provided with the safety cover on the connecting pipe, rotate the safety cover to covering first round hole and second round hole after the blood sampling is accomplished to effectively prevent to separate the membrane and be contaminated by external world, further reduce the incidence of iatrogenic source nature infection.
Drawings
Fig. 1 is a schematic cross-sectional view of a connection pipe according to a first embodiment of the present invention.
Fig. 2 is a schematic top view of a cross-sectional structure of a closure assembly according to a first embodiment of the present invention.
Wherein: 1. a connecting pipe; 2. a first circular hole; 3. a second circular hole; 4. separating the membrane; 5. a protective cover; 6. an annular positioning plate; 7. an annular positioning groove; 8. a shut-off assembly; 9. a first cutoff pipe; 10. a second shutoff tube; 11. a first cross-sectional area; 12. a second cross-sectional plane; 13. a first flow guide hole; 14. a second flow guide hole; 15. a second annular positioning groove; 16. an annular positioning bulge; 17. a seal ring; 18. a first indication arrow; 19. a second indication arrow; 20. a third indicating arrow; 21. a damping pad; 22. a bacteriostatic pad; 23. and anti-skid salient points.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
the first embodiment is as follows:
referring to fig. 1, the present embodiment provides an artery pressure-measuring tube blood sampling auxiliary device, including a connecting tube 1 connected in an artery pressure-measuring pipeline, a first round hole 2 and a second round hole 3 for inserting the top end of an injector are formed on the tube wall of the connecting tube, a line connecting the circle center of the first round hole and the circle center of the second round hole is parallel to the axis of the connecting tube, the first round hole is close to one end of the connecting tube, the second round hole is close to the other end of the connecting tube, specifically, the first round hole is located at a far blood-sampling end, the second round hole is located at a near blood-sampling end, and a separation membrane 4 is respectively disposed in the first round hole and the second round hole;
still include half columniform safety cover 5, the both ends of safety cover respectively are equipped with an annular locating plate 6, the axis of plane perpendicular to safety cover at annular locating plate place, the both ends of connecting pipe respectively are equipped with a first annular positioning groove 7, annular locating plate hoop is established in first annular positioning groove, makes the safety cover has the degree of freedom along connecting pipe circumference motion.
In this embodiment, a shutoff assembly 8 is further disposed at one end of the connecting pipe close to the first circular hole, and the shutoff assembly is in threaded connection with the connecting pipe.
Specifically, referring to fig. 2, the intercepting component includes a first intercepting pipe 9 and a second intercepting pipe 10 which are relatively rotatable, a first intercepting surface 11 is disposed on one side of the first intercepting pipe close to the second intercepting pipe, a second intercepting surface 12 is disposed on one side of the second intercepting pipe close to the first intercepting pipe, the first intercepting surface and the second intercepting surface are closely attached, a first diversion hole 13 is disposed on the first intercepting surface, a second diversion hole 14 is disposed on the second intercepting surface, and the first diversion hole and the second diversion hole have the same size.
In order to realize the relative rotation of the first intercepting pipe and the second intercepting pipe, in the embodiment, the first intercepting surface is lower than the side wall of the first intercepting pipe to form a concave part, the second intercepting surface is higher than the side wall of the second intercepting pipe to form a convex part, and the convex part is embedded into the concave part to form a rotary connection, wherein a second annular positioning groove 15 is arranged on the inner wall of the concave part, and an annular positioning bulge 16 is arranged on the outer wall of the convex part and is embedded into the second annular positioning groove in a matching manner.
In order to ensure the air tightness of the intercepting component and prevent liquid from seeping out, a sealing ring 17 is arranged between the inner wall of the concave part and the outer wall of the convex part, and the sealing ring is positioned outside the second annular positioning groove.
In order to facilitate the use of medical staff, a first indicating arrow 18 is arranged on the outer wall of the first intercepting pipe, and a second indicating arrow 19 for representing conduction and a third indicating arrow 20 for representing interception are arranged on the outer wall of the second intercepting pipe;
during use of the shut-off assembly, when the first and second indicator arrows are aligned, the first and second diversion holes are completely coincident; when the first indication arrow is aligned with the third indication arrow, the first diversion hole and the second diversion hole are completely staggered.
In this embodiment, the inner surface and the outer surface of the separation membrane are flush with the inner wall and the outer wall of the connection pipe, respectively, and the maximum flow surface in the connection pipe is ensured by the flush of the inner surface of the separation membrane and the inner wall of the connection pipe; the outer surface of the connecting pipe is ensured to be flat and beautiful by the parallel and level of the outer surface of the separation film and the outer wall of the connecting pipe.
In this embodiment, a damping pad 21 is respectively disposed between two sides of the annular positioning plate and two inner walls of the first annular positioning groove, and the damping pad is in interference fit with the annular positioning plate and the first annular positioning groove. By arranging the damping cushion, on one hand, damping feeling can be provided, and high-grade feeling in use is improved; on the other hand, the protection cover can be ensured not to easily rotate when the medical staff does not operate the protection cover, and the protection function of the protection cover on the split diaphragm is ensured
In order to prevent the separation membrane from being exposed to the outside and thus from growing bacteria, a bacteriostatic pad 22 is arranged on the inner surface of the protective cover.
In this embodiment, be provided with a plurality of anti-skidding bump 23 on the surface of safety cover, through setting up anti-skidding bump, make things convenient for medical personnel to adjust the position of safety cover.
The utility model discloses when using, with a first shutoff pipe and a joint threaded connection of artery pressure-measuring pipe, with the one end threaded connection of second shutoff pipe and connecting pipe, with another joint threaded connection of the other end of connecting pipe and artery pressure-measuring pipe. Then, the protective cover is rotated to enable the two separation membranes to be exposed outside, the top end of the injector is inserted into the first round hole, the discarded blood is extracted to the connecting pipe without heparin water, the first cut-off pipe and the second cut-off pipe are rotated to enable the first indication arrow to be aligned with the third indication arrow, at the moment, the first flow guide hole and the second flow guide hole are completely staggered, the heparin water is cut off, the discarded blood is temporarily placed in the container, the top end of the injector is inserted into the second round hole, the blood sample is extracted, after the extraction is completed, the discarded blood is injected back into the infant through the second round hole, the protective cover is rotated to completely cover the separation membranes, the first cut-off pipe and the second cut-off pipe are rotated to enable the first indication arrow to be aligned with the second indication arrow, at the moment, the first flow guide hole and the second flow guide hole are completely overlapped, and the circulation of the heparin water is recovered.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an artery piezometer pipe blood sampling auxiliary device which characterized in that: the device comprises a connecting pipe connected in an artery pressure measuring pipeline, wherein a first round hole and a second round hole for inserting the top end of an injector are formed in the pipe wall of the connecting pipe, the connecting line of the circle center of the first round hole and the circle center of the second round hole is parallel to the axis of the connecting pipe, the first round hole is close to one end of the connecting pipe, the second round hole is close to the other end of the connecting pipe, and separating membranes are arranged in the first round hole and the second round hole;
still include half columniform safety cover, the both ends of safety cover respectively are equipped with an annular locating plate, the axis of plane perpendicular to safety cover at annular locating plate place, the both ends of connecting pipe respectively are equipped with a first annular positioning groove, annular locating plate hoop is established in first annular positioning groove, makes the safety cover has the degree of freedom along connecting pipe circumference motion.
2. The arterial piezometer tube blood sampling auxiliary device according to claim 1, characterized in that: and one end of the connecting pipe, which is close to the first round hole, is also provided with a cut-off assembly, and the cut-off assembly is in threaded connection with the connecting pipe.
3. The arterial piezometer tube blood sampling auxiliary device according to claim 2, characterized in that: the intercepting component comprises a first intercepting pipe and a second intercepting pipe which can rotate relatively, a first intercepting surface is arranged on one side, close to the second intercepting pipe, of the first intercepting pipe, a second intercepting surface is arranged on one side, close to the first intercepting pipe, of the second intercepting pipe, the first intercepting surface is tightly attached to the second intercepting surface, a first diversion hole is formed in the first intercepting surface, a second diversion hole is formed in the second intercepting surface, and the first diversion hole is the same as the second diversion hole in size.
4. The arterial piezometer tube blood sampling auxiliary device according to claim 3, characterized in that: the first intercepting surface is lower than the side wall of the first intercepting pipe to form a concave part, the second intercepting surface is higher than the side wall of the second intercepting pipe to form a convex part, and the convex part is embedded into the concave part to form rotary connection, wherein a second annular positioning groove is formed in the inner wall of the concave part, an annular positioning bulge is formed in the outer wall of the convex part, and the annular positioning bulge is embedded into the second annular positioning groove in a matched mode.
5. The arterial piezometer tube blood sampling auxiliary device according to claim 4, characterized in that: and a sealing ring is arranged between the inner wall of the concave part and the outer wall of the convex part and is positioned at the outer side of the second annular positioning groove.
6. The arterial piezometer tube blood sampling auxiliary device according to claim 3, characterized in that: a first indicating arrow is arranged on the outer wall of the first intercepting pipe, and a second indicating arrow for representing conduction and a third indicating arrow for representing interception are arranged on the outer wall of the second intercepting pipe;
when the first indicating arrow is aligned with the second indicating arrow, the first diversion hole is completely overlapped with the second diversion hole; when the first indication arrow is aligned with the third indication arrow, the first diversion hole and the second diversion hole are completely staggered.
7. The arterial piezometer tube blood sampling auxiliary device according to claim 1, characterized in that: the inner surface and the outer surface of the separation film are flush with the inner wall and the outer wall of the connecting pipe respectively.
8. The arterial piezometer tube blood sampling auxiliary device according to claim 1, characterized in that: and a damping pad is respectively arranged between the two sides of the annular positioning plate and the inner walls of the two sides of the first annular positioning groove, and is in interference fit with the annular positioning plate and the first annular positioning groove.
9. The arterial piezometer tube blood sampling auxiliary device according to claim 1, characterized in that: and the inner surface of the protective cover is provided with a bacteriostatic pad.
10. The arterial piezometer tube blood sampling auxiliary device according to claim 1, characterized in that: a plurality of anti-skidding salient points are arranged on the outer surface of the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023049768.8U CN215272726U (en) | 2020-12-17 | 2020-12-17 | Artery pressure-measuring pipe blood sampling auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023049768.8U CN215272726U (en) | 2020-12-17 | 2020-12-17 | Artery pressure-measuring pipe blood sampling auxiliary device |
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| Publication Number | Publication Date |
|---|---|
| CN215272726U true CN215272726U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023049768.8U Active CN215272726U (en) | 2020-12-17 | 2020-12-17 | Artery pressure-measuring pipe blood sampling auxiliary device |
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| CN (1) | CN215272726U (en) |
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2020
- 2020-12-17 CN CN202023049768.8U patent/CN215272726U/en active Active
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