CN109847143B - Electrocardiogram guided conductive infusion apparatus with central venous head end positioning function - Google Patents
Electrocardiogram guided conductive infusion apparatus with central venous head end positioning function Download PDFInfo
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- CN109847143B CN109847143B CN201910077877.3A CN201910077877A CN109847143B CN 109847143 B CN109847143 B CN 109847143B CN 201910077877 A CN201910077877 A CN 201910077877A CN 109847143 B CN109847143 B CN 109847143B
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- infusion tube
- central venous
- external thread
- infusion
- protective sleeve
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- 238000001802 infusion Methods 0.000 title claims abstract description 75
- 230000001681 protective effect Effects 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000012546 transfer Methods 0.000 claims description 31
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims description 10
- 229960002897 heparin Drugs 0.000 claims description 10
- 229920000669 heparin Polymers 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000002504 physiological saline solution Substances 0.000 abstract 1
- 101100510617 Caenorhabditis elegans sel-8 gene Proteins 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of infusion apparatuses, in particular to a conductive infusion apparatus with a central venous head end for positioning and electrocardiograph guiding, which comprises an infusion tube, wherein an exhaust hole is formed in the end part of the infusion tube, a hole cap is arranged on the exhaust hole, a dropper is arranged on the infusion tube, a protective sleeve is sleeved at the position, close to the other end part, of the infusion tube, an internal thread is arranged in the protective sleeve, a first external thread is arranged on the infusion tube at one side of the protective sleeve, a second external thread is arranged at the position, corresponding to the protective sleeve, of the infusion tube, and a luer joint is arranged at the other end part of the infusion tube. According to the invention, the second external thread is arranged, so that the protective sleeve is prevented from slipping, the normal needle head heparin-connecting cap is replaced to be directly connected with the metal clamp, and the P wave amplitude of the electrocardiogram in the cavity is guided out through physiological saline instillation.
Description
Technical Field
The invention relates to the technical field of infusion apparatuses, in particular to a conductive infusion apparatus with a central venous head end for positioning electrocardiograph.
Background
The central venous catheter is widely applied to clinic, and the position of the tip of the catheter is judged by utilizing the P waveform state change of the catheter which is presented by the different positions of the upper vena cava in the intracavitary of the cavity by using the intracavitary Electrocardiogram (ECG) positioning technology, so that the central venous catheter has timeliness, safety and accuracy, and is researched to apply continuous normal saline instillation to the intracavitary ECG guidance of the three-way valve PICC, the CVC and the transfusion port for positioning. At present, by using an electrocardiograph positioning method, a lead wire metal clip is connected with the tail end of a guide wire in a PICC catheter or the needle point of an infusion apparatus is connected with a luer connector at the head end of the catheter of an infusion port, and the position of the tip of the catheter is adjusted by guiding the change of the P wave amplitude of an electrocardiogram in a cavity.
In the connection process, a metal clip for connecting an infusion apparatus needs to be sterile, and the thickness of a needle point directly influences the definition of the amplitude of the P wave of an extracted electrocardiogram and the precision of accurate positioning of a catheter, so that the central venous head end positioning electrocardio-guided conductive infusion apparatus is provided.
Disclosure of Invention
The invention aims to provide an electrocardio-guided conductive infusion apparatus with a central venous head end for positioning, which solves the problem that the thickness of a needle point in the background technology influences the precision of accurate positioning of a catheter.
In order to achieve the above object, the present invention provides the following technical solutions;
The utility model provides a conductive transfusion system of central venous head end location electrocardio guide, includes the transfer line, the transfer line tip is provided with the exhaust hole, be furnished with the hole cap on the exhaust hole, the hole cap with be equipped with the connecting wire between the transfer line, install the burette on the transfer line, the transfer line is close to the position cover of another tip and is equipped with the lag, be equipped with the internal thread in the lag, lag one side be equipped with first external screw thread on the transfer line, on the transfer line the position that the lag corresponds is established
The infusion tube is provided with a second external thread, and the other end part of the infusion tube is provided with a luer connector.
Preferably, the dropper is in communication with the infusion tube.
Preferably, the protective sleeve is in sliding connection with the infusion tube.
Preferably, the diameter of the shield is smaller than the diameter of the luer fitting.
Preferably, the internal thread is respectively engaged with the first external thread and the second external thread.
Preferably, the luer is in communication with the infusion tube.
Preferably, the hole cap is in plug-in fit with the exhaust hole.
Compared with the prior art, the invention has the beneficial effects that;
According to the invention, the second external thread is arranged, so that the slipping of the protective sleeve is prevented, the normal needle head heparin cap is replaced to be directly connected with the metal clip, the P wave amplitude of the electrocardiogram in the cavity is guided out through the normal saline instillation, and the P wave amplitude is more stable due to the fact that the second external thread is thicker than the needle head and is connected with the metal clip, and the accurate positioning accuracy of the catheter is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of a protective sleeve and a transfusion tube in the invention;
FIG. 3 is a basic structural block diagram of a central electricity acquisition system of the present invention;
FIG. 4 is a circuit diagram of an ECG amplifier according to the present invention;
FIG. 5 is a trap circuit diagram of the present invention;
Fig. 6 is a schematic structural view of the cap of the present invention.
Fig. 7 is a schematic structural view of embodiment 4 of the present invention.
In the figure; 1. an infusion tube; 2. a dropper; 3. a protective sleeve; 30. An internal thread; 4. a luer fitting; 5. a hole cap; 6. a connecting wire; 7. a conical joint; 8. a needle; 9. a needle cap; 10. an exhaust hole; 11. a first external thread; 12. a second external thread; 13. heparin cap.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
Example 1:
The utility model provides a central venous head end location electrocardio guide conductive transfusion system, as shown in fig. 1 and 2, including transfer line 1, transfer line 1 tip is equipped with exhaust hole 10, installs burette 2 on the transfer line 1, and transfer line 1 is close to the position cover of another tip and is equipped with lag 3, is equipped with internal thread 30 in the lag 3, is equipped with first external screw thread 11 on transfer line 1 of lag 3 one side, and the position that lag 3 corresponds on transfer line 1 is equipped with second external screw thread 12, and luer connector 4 is installed to transfer line 1 other tip.
In this embodiment, burette 2 is linked together with transfer line 1, and burette 2 adopts integrated into one piece structure with transfer line 1, guarantees the compactness that transfer line 1 and burette 2 are connected, effectively prevents that transfer line 1 and burette 2 junction seepage.
Further, the protective sleeve 3 is in sliding connection with the infusion tube 1, the protective sleeve 3 can move along the outer wall of the infusion tube 1, the diameter of the protective sleeve 3 is smaller than that of the luer connector 4, the protective sleeve 3 is prevented from sliding out of the outer wall of the infusion tube 1, and the subsequent use is convenient.
Specifically, the internal thread 30 is respectively engaged with the first external thread 11 and the second external thread 12, when the protective sleeve 3 needs to be removed, the protective sleeve 3 can be rotated, and acting force is generated by engaging the internal thread 30 with the second external thread 12, so that the protective sleeve 3 can be moved to the first external thread 11 along the outer wall of the infusion tube 1, and further. The anti-slip sleeve 3 is screwed on the first external thread 11 through the action force generated by the fit of the internal thread 30 and the first external thread 11, so that the stability of the protective sleeve 3 on the infusion tube 1 is ensured, and the problem that the use of the infusion tube 1 is affected due to the fact that the anti-slip sleeve 3 slides on the infusion tube 1 is effectively avoided.
In addition, the luer connector 4 is communicated with the infusion tube 1, so that the connectivity between the luer connector 4 and the infusion tube 1 is ensured,
The subsequent use is convenient.
When the central venous head end positioning electrocardio-guided conductive infusion apparatus is used, firstly, the protective sleeve 3 is rotated, and acting force is generated by matching the internal thread 30 with the second external thread 12, so that the protective sleeve 3 can move to the first external thread 11 along the outer wall of the infusion tube 1, and further. The internal thread 30 is matched with the first external thread 11 to generate acting force, the anti-slip sleeve 3 is screwed on the first external thread 11, so that the stability of the protective sleeve 3 on the infusion tube 1 is ensured, and the problem that the use of the infusion tube 1 is affected due to the fact that the protective sleeve 3 slides on the infusion tube 1 is effectively avoided.
Example 2:
as a second embodiment of the present invention, the present inventors have made improvements in the infusion tube 1 as a preferable practice in order to prevent the thickness of the connection wire 6 from directly affecting the definition of the amplitude of the P-wave of the lead-out electrocardiogram and affecting the accuracy of the accurate positioning of the catheter
In the embodiment, the infusion tube 1 at the position corresponding to the second external thread 12 is made of stainless steel materials.
In the embodiment, the stainless steel has bright color and luster, better corrosion resistance and is beneficial to prolonging the service life.
Furthermore, because human tissue is a volume conductor, the electrocardiosignals can be transmitted to all parts of the whole body, not only can the electrocardiosignals of the heart be measured by using the heart electrodes, but also the electrocardiosignals can be measured by using the body surface electrodes, and the electrodes RA and LA are main extraction points of the electrocardiosignals and are signal sources of the front amplifying signals of the intracavity electrocardiogram.
Specifically, the electrocardiosignal is easy to interfere because of low frequency and small signal, the definition of the P wave amplitude of the lead-out electrocardiogram and the accuracy of accurate positioning of the catheter are directly influenced by the thickness of the connecting wire 6, the second external thread 12 connected with the metal clamp on the electrocardiograph is arranged, the connection stability with the metal clamp is improved, and the lead-out P wave amplitude is more stable.
In addition, in order to remove the interference of power frequency 50Hz in the human body or the measurement system, a band-stop filter (namely a wave trap) on an electrocardiograph is needed to be used for suppressing, so that the accuracy is improved.
When the central venous head end positioning electrocardio-guided conductive infusion apparatus is used, the stability of connection with the metal clamp is improved by arranging the second external thread 12 connected with the metal clamp, so that the amplitude of the exported P wave can be more stable.
Example 3:
As a third embodiment of the present invention, the end of the infusion tube 1 is modified for the convenience of medical staff, and as a preferred embodiment, the vent hole 10 is provided with a hole cap 5, and a connecting wire 6 is provided between the hole cap 5 and the infusion tube 1.
In this embodiment, the hole cap 5 and the connecting wire 6 adopt an integrally formed structure, so as to ensure the stability of connection between the hole cap 5 and the connecting wire 6.
Specifically, the hole cap 5 is in plug-in fit with the exhaust hole 10, when the exhaust hole 10 needs to be opened, the hole cap 5 can be separated from the exhaust hole 10, and when the exhaust hole 10 is opened and closed, the hole cap 5 is embedded into the exhaust hole 10.
When the central venous head end positioning electrocardio-guided conductive infusion apparatus is used, through the arranged hole cap 5, when the exhaust hole 10 needs to be opened, the hole cap 5 can be separated from the exhaust hole 10, and when the exhaust hole 10 is opened and closed, the hole cap 5 can be embedded into the exhaust hole 10.
Example 4:
The utility model provides a central venous head end location electrocardio guide conductive transfusion system, as shown in fig. 7, including transfer line 1, transfer line 1 tip is equipped with conical joint 7, install burette 2 on the transfer line 1, transfer line 1 is close to the position cover of other tip and is equipped with lag 3, be equipped with internal thread 30 in the lag 3, be equipped with first external screw thread 11 on transfer line 1 of lag 3 one side, the position that lag 3 corresponds on transfer line 1 is equipped with second external screw thread 12, heparin cap 13 is installed to transfer line 1 other tip, heparin cap 13 one side is equipped with syringe needle 8, syringe needle 8 overcoat is equipped with needle cap 9.
In this embodiment, burette 2 is linked together with transfer line 1, and burette 2 adopts integrated into one piece structure with transfer line 1, guarantees the compactness that transfer line 1 and burette 2 are connected, effectively prevents that transfer line 1 and burette 2 junction seepage.
Further, the protective sleeve 3 is in sliding connection with the infusion tube 1, the protective sleeve 3 can move along the outer wall of the infusion tube 1, the diameter of the protective sleeve 3 is smaller than that of the heparin cap 13, the protective sleeve 3 is prevented from sliding out of the outer wall of the infusion tube 1, and follow-up use is facilitated.
Specifically, the internal thread 30 is respectively engaged with the first external thread 11 and the second external thread 12, when the protective sleeve 3 needs to be removed, the protective sleeve 3 can be rotated, and acting force is generated by engaging the internal thread 30 with the second external thread 12, so that the protective sleeve 3 can be moved to the first external thread 11 along the outer wall of the infusion tube 1, and further. The anti-slip sleeve 3 is screwed on the first external thread 11 through the action force generated by the fit of the internal thread 30 and the first external thread 11, so that the stability of the protective sleeve 3 on the infusion tube 1 is ensured, and the problem that the use of the infusion tube 1 is affected due to the fact that the protective sleeve 3 slides on the infusion tube 1 is effectively avoided.
In addition, heparin cap 13 is linked together with transfer line 1 and syringe needle 8, and needle cap 9 and syringe needle 8 grafting cooperation can be taken off syringe needle 8 with needle cap 9 when needs use syringe needle 8, and when not using, directly with syringe needle 8 insert needle cap 9 can, facilitate the use, can prevent through needle cap 9 that syringe needle 8 pointed end from stabbing the skin.
When the central venous head end positioning electrocardio-guided conductive infusion apparatus is used, firstly, the protective sleeve 3 is rotated, and acting force is generated by matching the internal thread 30 with the second external thread 12, so that the protective sleeve 3 can move to the first external thread 11 along the outer wall of the infusion tube 1, and further. The internal thread 30 is matched with the first external thread 11 to generate acting force, the anti-slip sleeve 3 is screwed on the first external thread 11, so that the stability of the protective sleeve 3 on the infusion tube 1 is ensured, and the problem that the use of the infusion tube 1 is affected due to the fact that the protective sleeve 3 slides on the infusion tube 1 is effectively avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a central venous head end location electrocardio guide conductive transfusion system, includes transfer line (1), its characterized in that: the infusion tube is characterized in that a conical joint (7) is arranged at the end part of the infusion tube (1), a dropper (2) is arranged on the infusion tube (1), a protecting sleeve (3) is sleeved at the position, close to the other end part, of the infusion tube (1), an internal thread (30) is arranged in the protecting sleeve (3), a first external thread (11) is arranged on the infusion tube (1) at one side of the protecting sleeve (3), a second external thread (12) is arranged at the position, corresponding to the protecting sleeve (3), of the infusion tube (1), a heparin cap (13) is arranged at the other end part of the infusion tube (1), a needle head (8) is arranged at one side of the heparin cap (13), and a needle cap (9) is sleeved outside the needle head (8);
And when the central venous head end positioning electrocardio-guided conductive infusion apparatus is used, the central venous head end positioning electrocardio-guided conductive infusion apparatus is connected with a metal clamp on an electrocardiograph through a second external thread (12), and an infusion tube at a position corresponding to the second external thread (12) is made of stainless steel materials.
2. The central venous head positioning electrocardiograph-guided conductive infusion apparatus of claim 1, wherein: the dropper (2) is communicated with the infusion tube (1).
3. The central venous head positioning electrocardiograph-guided conductive infusion apparatus of claim 1, wherein: the protective sleeve (3) is connected with the infusion tube (1) in a sliding way.
4. The central venous head positioning electrocardiograph-guided conductive infusion apparatus of claim 1, wherein: the diameter of the protective sleeve (3) is smaller than that of the heparin cap (13).
5. The central venous head positioning electrocardiograph-guided conductive infusion apparatus of claim 1, wherein: the internal thread (30) is respectively engaged with the first external thread (11) and the second external thread (12).
6. The central venous head positioning electrocardiograph-guided conductive infusion apparatus of claim 1, wherein: the heparin cap (13) is communicated with the infusion tube (1) and the needle head (8).
7. The central venous head positioning electrocardiograph-guided conductive infusion apparatus of claim 1, wherein: the needle cap (9) is in plug-in connection with the needle head (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077877.3A CN109847143B (en) | 2019-01-28 | 2019-01-28 | Electrocardiogram guided conductive infusion apparatus with central venous head end positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077877.3A CN109847143B (en) | 2019-01-28 | 2019-01-28 | Electrocardiogram guided conductive infusion apparatus with central venous head end positioning function |
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| CN109847143A CN109847143A (en) | 2019-06-07 |
| CN109847143B true CN109847143B (en) | 2024-06-28 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209967244U (en) * | 2019-01-28 | 2020-01-21 | 常州市第二人民医院 | Infusion apparatus capable of conducting by positioning central vein head end and guiding electrocardiogram |
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| US4369794A (en) * | 1980-10-30 | 1983-01-25 | Mallinckrodt, Inc. | Probe with electrocardiographic monitoring |
| DE29601310U1 (en) * | 1996-01-26 | 1997-06-05 | B. Braun Melsungen Ag, 34212 Melsungen | Catheter set with ECG lead possibility |
| BR112012019354B1 (en) * | 2010-02-02 | 2021-09-08 | C.R.Bard, Inc | METHOD FOR LOCATION OF AN IMPLANTABLE MEDICAL DEVICE |
| FR3013580B1 (en) * | 2013-11-22 | 2018-01-12 | B.Braun Medical Sas | DEVICE FOR DERIVING EGG FROM A CATHETER |
| CN204016286U (en) * | 2014-07-31 | 2014-12-17 | 南京大学医学院附属鼓楼医院 | A kind of intracavity electrocardiogram guidance system |
| CN204158394U (en) * | 2014-10-08 | 2015-02-18 | 广东百合医疗科技股份有限公司 | A kind of adapter of sectional center venous duct electrocardio location |
| CN205338948U (en) * | 2016-01-08 | 2016-06-29 | 无锡市人民医院 | A portable electrocardio guidance system of compact type for PICC head end location |
| CN205359466U (en) * | 2016-01-08 | 2016-07-06 | 肖娓珠 | Novel medical seal wire |
| CN205814848U (en) * | 2016-05-10 | 2016-12-21 | 徐州市中心医院 | The alignment system of Theodolite measuring systems |
| CN206063140U (en) * | 2016-07-01 | 2017-04-05 | 中国人民解放军总医院 | A kind of aseptic cardiac diagnosis lead-line suit of detection PICC conduit puncture positions |
| CN106725449A (en) * | 2017-01-22 | 2017-05-31 | 柳州市人民医院 | Electrocardiogram is located by connecting line in chamber |
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2019
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209967244U (en) * | 2019-01-28 | 2020-01-21 | 常州市第二人民医院 | Infusion apparatus capable of conducting by positioning central vein head end and guiding electrocardiogram |
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