CN213993537U - Central venous catheter device - Google Patents
Central venous catheter device Download PDFInfo
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- CN213993537U CN213993537U CN202022425153.4U CN202022425153U CN213993537U CN 213993537 U CN213993537 U CN 213993537U CN 202022425153 U CN202022425153 U CN 202022425153U CN 213993537 U CN213993537 U CN 213993537U
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Abstract
The application discloses a central venous catheter device, which comprises a catheter body which can be placed in an internal jugular vein, a temperature probe which is arranged on the outer wall of the catheter body, a temperature connecting wire which is electrically connected with the temperature probe, an oxyhemoglobin saturation probe which is arranged on the catheter body, and an oxyhemoglobin saturation connecting wire which is electrically connected with the oxyhemoglobin saturation probe; the tube body is provided with a tip, and the distance range between the temperature probe and the oxyhemoglobin saturation probe and the tip is 7 cm-10 cm. Because the outer wall of body is provided with temperature probe and oxyhemoglobin saturation probe, can monitor the oxyhemoglobin saturation and the temperature of internal jugular vein backward flow blood, measure the accuracy height. Generally, the brain blood flows back through the internal jugular vein, and the blood oxygen saturation and the temperature of the internal jugular vein blood are close to those of the brain, so that accurate values can be provided for patients needing brain protection. Because the central venous catheter device is placed through the internal jugular vein, the conventional treatment measures are adopted, so that the temperature measurement and the blood oxygen saturation measurement are convenient and fast.
Description
Technical Field
The application relates to the field of medical equipment, in particular to a central venous catheter device.
Background
Cardiovascular surgery requires routine placement of central veins, mainly for measurement of central venous pressure, infusion of vasoactive drugs and rapid mass transfusion. In cardiovascular surgery, especially in aortic surgery, there is a need for surgery at low or very low temperatures. Oxygen saturation and temperature monitoring of the brain are important means of brain protection. Especially during the selective cerebral perfusion period of deep hypothermia stopping circulation, the cerebral blood oxygen saturation and the cerebral blood temperature are the most practical and effective monitoring parameters for maintaining the cerebral function in clinic at present. The current cerebral oxygen saturation is monitored by attaching an electrode plate outside the forehead and adopting an infrared spectrum mode. The monitoring mode obtains the mixed oxygen saturation of the arterial blood and the venous blood, and has the defects that the probe is expensive and easy to interfere, the ratio of the artery to the vein is uncertain, and the like. The brain temperature is obtained clinically in a nasal temperature or oral temperature mode, mucosa damage is easily caused under the condition of low temperature or deep low temperature, and the measurement of the temperature is interfered by an esophagus ultrasonic probe, a stomach tube and the like. And the two measurement methods monitor blood at different parts, so that the two data cannot be effectively fused and matched.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a central venous catheter device, aims at solving prior art, the not convenient problem of oxyhemoglobin saturation and the temperature measurement of patient's brain.
To achieve the purpose, the embodiment of the application adopts the following technical scheme:
the central venous catheter device comprises a catheter body which can be placed in an internal jugular vein, a temperature probe which is arranged on the outer wall of the catheter body, a temperature connecting wire which is electrically connected with the temperature probe, an oxyhemoglobin saturation probe which is arranged on the catheter body, and an oxyhemoglobin saturation connecting wire which is electrically connected with the oxyhemoglobin saturation probe; the tube body is provided with a tip, and the distance range between the temperature probe and the blood oxygen saturation probe and the tip is 7-10 cm.
In one embodiment, the temperature probe is at least partially exposed out of the outer wall of the pipe body, the temperature probe is flat, and the surface of the temperature probe is provided with an arc surface.
In one embodiment, the outer wall of the pipe body is provided with a first mounting groove, and the temperature probe is mounted in the first mounting groove.
In one embodiment, a thermal insulation layer is arranged between the temperature probe and the pipe body.
In one embodiment, the oxyhemoglobin saturation probe is at least partially exposed out of the outer wall of the tube body, the oxyhemoglobin saturation probe is flat, and the surface of the oxyhemoglobin saturation probe is provided with a cambered surface.
In one embodiment, the outer wall of the tube body is provided with a second mounting groove, and the blood oxygen saturation degree probe is mounted in the second mounting groove.
In one embodiment, a light-proof layer is arranged between the blood oxygen saturation degree probe and the tube body.
In one embodiment, the temperature connecting line is arranged along the axial direction of the pipe body, the temperature connecting line is buried in the inner wall of the pipe body, one end, far away from the temperature probe, of the temperature connecting line extends out of the pipe body, and one end, far away from the temperature probe, of the temperature connecting line is connected with a temperature joint.
In one embodiment, the blood oxygen connecting wire is arranged along the axial direction of the tube body, the blood oxygen connecting wire is embedded in the inner wall of the tube body, one end of the blood oxygen connecting wire, which is far away from the blood oxygen saturation probe, extends out of the tube body, and one end of the blood oxygen connecting wire, which is far away from the blood oxygen saturation probe, is connected with a blood oxygen connector.
In one embodiment, the central venous catheter device further comprises a holder, a central lumen mounted to the holder, a proximal lumen mounted to the holder, and a distal lumen mounted to the holder; one ends of the central cavity tube, the near cavity tube and the far cavity tube, which are far away from the fixator, are all provided with heparin caps; the central cavity tube, the near cavity tube and the far cavity tube are all provided with tube clamps (the fixer is provided with a fixing plate, and the fixing plate is provided with a fixing hole).
The beneficial effects of the embodiment of the application are as follows: adopt the central venous catheter device that provides in this application embodiment, because the outer wall of body is provided with temperature probe and oxyhemoglobin saturation probe, can monitor the oxyhemoglobin saturation and the temperature of internal jugular vein backward flow blood, measure the accuracy height. Usually, the brain blood all flows back through the internal jugular vein, and the oxyhemoglobin saturation and the temperature of internal jugular vein blood all are close to the oxyhemoglobin saturation and the temperature of brain, can provide accurate numerical value for the patient that needs brain protection to guarantee better brain protection effect. Because the central venous catheter device is placed through the internal jugular vein to monitor the central venous pressure, and the medication and the blood transfusion and transfusion are conventional treatment measures, the temperature measurement and the measurement operation of the blood oxygen saturation are more convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a central venous catheter device in an embodiment of the present application;
FIG. 2 is a partial view of a central venous catheter device at the oximetry probe in an embodiment of the present application;
FIG. 3 is a partial view of a central venous catheter device at a temperature probe in an embodiment of the present application;
in the figure:
1. a pipe body; 101. a tip; 102. a first mounting groove; 103. a second mounting groove; 2. a temperature probe; 3. a temperature connection line; 4. a blood oxygen saturation probe; 5. a blood oxygen connecting wire; 6. a thermal insulation layer; 7. a light-blocking layer; 8. a temperature joint; 9. a blood oxygen connector; 10. a holder; 11. a central lumen tube; 12. a proximal lumen tube; 13. a distal lumen tube; 14. a heparin cap; 15. a pipe clamp; 16. a fixing plate; 1601. and (7) fixing holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The following detailed description of implementations of the present application is provided in conjunction with specific embodiments.
As shown in fig. 1-3, the present application provides a central venous catheter device, which includes a tube 1 capable of being placed in the internal jugular vein, a temperature probe 2 disposed on the outer wall of the tube 1, a temperature connection wire 3 electrically connected to the temperature probe 2, an oximetry probe 4 disposed on the tube 1, and an oximetry connection wire 5 electrically connected to the oximetry probe 4; the tube body 1 is provided with a tip 101, and the distances between the temperature probe 2 and the oxyhemoglobin saturation probe 4 and the tip 101 are 7 cm-10 cm.
In cardiovascular and major operations, central venous pressure monitoring, medication, and transfusion via placement of a central catheter device via the internal jugular vein are routine treatments. Adopt the central venous catheter device that provides in this application embodiment, because the outer wall of body 1 is provided with temperature probe 2 and oxyhemoglobin saturation probe 4, can monitor the oxyhemoglobin saturation and the temperature of internal jugular vein backward flow blood, measure the accuracy height. Usually, the brain blood all flows back through the internal jugular vein, and the oxyhemoglobin saturation and the temperature of internal jugular vein blood all are close to the oxyhemoglobin saturation and the temperature of brain, can provide accurate numerical value for the patient that needs brain protection to guarantee better brain protection effect. Because the central venous catheter device is placed through the internal jugular vein to monitor the central venous pressure, and the medication and the blood transfusion and transfusion are conventional treatment measures, the temperature measurement and the measurement operation of the blood oxygen saturation are more convenient. And the temperature probe 2 and the oxyhemoglobin saturation probe 4 are prevented from being placed independently, the incidence rate of complications caused by probe placement is reduced, the medical cost is reduced, and the interference of other probes such as an esophagus ultrasonic probe, a stomach tube and the like on the temperature is reduced. Because the measurement positions of the temperature and the blood oxygen saturation are concentrated, the brain blood oxygen saturation and the brain blood temperature are measured simultaneously, and the correlation between the two is high. The technology overcomes the defects of the prior art, and avoids the problems that the separate equipment monitors the cerebral blood oxygen saturation and the cerebral temperature respectively, the price is high, the nasal cavity or the oral mucosa is easily injured, the bleeding is caused, the esophagus ultrasonic probe, the stomach tube and the like interfere the temperature probe 2, the cross infection risk exists and the like.
When the central venous catheter device is used specifically, the front end (the tip 101) of the catheter body 1 of the central venous catheter device is arranged in the superior vena cava, the middle part of the catheter body 1 is arranged in the internal jugular vein, and the distance ranges between the temperature probe 2 and the oxyhemoglobin saturation probe 4 and the tip 101 are both 7 cm-10 cm, so that the temperature probe 2 and the oxyhemoglobin saturation probe 4 are positioned in the internal jugular vein to detect the temperature and the oxyhemoglobin saturation.
The temperature probe 2 and the oxyhemoglobin saturation probe 4 are respectively connected with the monitor through a temperature connecting wire 3 and a blood oxygen connecting wire 5. Optionally, the temperature connection line 3 may be connected to the monitor through a temperature connector 8, and the blood oxygen connection line 5 may be connected to the monitor through a blood oxygen saturation connector 9.
Optionally, the temperature probe 2 and the oxyhemoglobin saturation probe 4 can be exposed on the outer surface of the tube body 1, and can also be directly contacted with the blood of the internal jugular vein, so that the accuracy of temperature and oxyhemoglobin saturation measurement is ensured.
Optionally, the upper and lower ends of the temperature probe 2 and the oxyhemoglobin saturation probe 4 can be made of special materials, and the probe presents strong echoes under ultrasound and X-rays, can be clearly positioned under ultrasound and X-rays, and can be accurately placed in the internal jugular vein.
Referring to fig. 3, as another embodiment of the central venous catheter device provided by the present application, the temperature probe 2 is at least partially exposed out of the outer wall of the catheter body 1, so as to be directly contacted with blood, thereby ensuring the accuracy of measurement, the temperature probe 2 is flat, and the surface of the temperature probe 2 has an arc surface.
Referring to fig. 3, as another embodiment of the central venous catheter device provided by the present application, a first mounting groove 102 is formed on an outer wall of the tube body 1, and the temperature probe 2 is mounted in the first mounting groove 102, so that the temperature probe can be stably mounted on the tube body 1 while being at least partially exposed out of the outer wall of the tube body 1.
Referring to fig. 3, as another embodiment of the central venous catheter device provided by the present application, a thermal insulation layer 6 is disposed between the temperature probe 2 and the catheter body 1, the liquid inside the catheter body 1 is not likely to affect the temperature detection of the temperature probe 2, and the temperature value detected by the temperature probe 2 is the accurate temperature of the blood.
Referring to fig. 2, as another embodiment of the central venous catheter device provided by the present application, the oxyhemoglobin saturation probe 4 is at least partially exposed out of the outer wall of the tube body 1, so as to be directly contacted with blood, thereby ensuring the accuracy of measurement, the oxyhemoglobin saturation probe 4 is flat, and the surface of the oxyhemoglobin saturation probe 4 has a curved surface.
Referring to fig. 2, as another embodiment of the central venous catheter device provided by the present application, a second mounting groove 103 is formed on an outer wall of the tube body 1, and the blood oxygen saturation probe 4 is mounted in the second mounting groove 103, and can be stably mounted on the tube body 1 while being at least partially exposed to the outer wall of the tube body 1.
Referring to fig. 2, as another embodiment of the central venous catheter device provided by the present application, a light-shielding layer 7 is disposed between the blood oxygen saturation probe 4 and the tube 1, and the liquid inside the tube 1 is not liable to affect the detection of the blood oxygen saturation in blood by the blood oxygen saturation probe 4.
Referring to fig. 1-3, as another embodiment of the central venous catheter device provided by the present application, the temperature connection line 3 is disposed along the axial direction of the tube body 1, the temperature connection line 3 is embedded in the inner wall of the tube body 1, one end of the temperature connection line 3 away from the temperature probe 2 extends out of the tube body 1, and one end of the temperature connection line 3 away from the temperature probe 2 is connected to a temperature connector 8 for connecting with a monitor.
Referring to fig. 1-3, as another embodiment of the central venous catheter device provided by the present application, the blood oxygen connecting wire 5 is disposed along the axial direction of the catheter body 1, the blood oxygen connecting wire 5 is embedded in the inner wall of the catheter body 1, one end of the blood oxygen connecting wire 5 away from the blood oxygen saturation probe 4 extends out of the catheter body 1, and one end of the blood oxygen connecting wire 5 away from the blood oxygen saturation probe 4 is connected to a blood oxygen connector 9 for connecting with a monitor.
Referring to fig. 1, as another embodiment of the central venous catheter device provided by the present application, the central venous catheter device further comprises a holder 10, a central lumen 11 mounted to the holder 10, a proximal lumen 12 mounted to the holder 10, and a distal lumen 13 mounted to the holder 10; a heparin cap 14 is arranged at one end of the central cavity tube 11, the near cavity tube 12 and the far cavity tube 13 which are far away from the fixer 10; the central lumen tube 11, the proximal lumen tube 12 and the distal lumen tube 13 are all provided with tube clamps 15.
The fixing plate 16 is disposed on the fixer 10, and a fixing hole 1601 is disposed on the fixing plate 16 for facilitating fixing of the fixer 10.
It is to be understood that aspects of the present invention may be practiced otherwise than as specifically described.
It should be understood that the above examples are merely examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.
Claims (10)
1. The central venous catheter device is characterized by comprising a catheter body which can be placed in an internal jugular vein, a temperature probe which is arranged on the outer wall of the catheter body, a temperature connecting wire which is electrically connected with the temperature probe, an oxyhemoglobin saturation probe which is arranged on the catheter body and an oxyhemoglobin saturation connecting wire which is electrically connected with the oxyhemoglobin saturation probe; the tube body is provided with a tip, and the distance range between the temperature probe and the blood oxygen saturation probe and the tip is 7-10 cm.
2. The central venous catheter device of claim 1, wherein the temperature probe is at least partially exposed to the outer wall of the catheter body, the temperature probe is flat, and the surface of the temperature probe has a cambered surface.
3. The central venous catheter device of claim 2, wherein the outer wall of the catheter body defines a first mounting groove, and the temperature probe is mounted within the first mounting groove.
4. The central catheter device according to claim 2, wherein a thermal insulation layer is provided between the temperature probe and the catheter body.
5. The central venous catheter device of claim 1, wherein the oximetry probe is at least partially exposed at the outer wall of the tube body, the oximetry probe is flat, and the surface of the oximetry probe has a curved surface.
6. The central venous catheter device of claim 5, wherein the outer wall of the tube body defines a second mounting slot, the oximetry probe being mounted within the second mounting slot.
7. The central venous catheter device of claim 5, wherein a light barrier is disposed between the oximetry probe and the catheter body.
8. The central venous catheter device of claim 1, wherein the temperature connecting line is arranged along the axial direction of the tube body, the temperature connecting line is embedded in the inner wall of the tube body, one end of the temperature connecting line, which is far away from the temperature probe, extends out of the tube body, and one end of the temperature connecting line, which is far away from the temperature probe, is connected with a temperature joint.
9. The central venous catheter device according to claim 1, wherein the blood oxygen connecting wire is arranged along the axial direction of the catheter body, the blood oxygen connecting wire is embedded in the inner wall of the catheter body, one end of the blood oxygen connecting wire, which is far away from the blood oxygen saturation probe, extends out of the catheter body, and one end of the blood oxygen connecting wire, which is far away from the blood oxygen saturation probe, is connected with a blood oxygen connector.
10. The central venous catheter device of any of claims 1-9, further comprising a holder, a central lumen mounted to the holder, a proximal lumen mounted to the holder, and a distal lumen mounted to the holder; one ends of the central cavity tube, the near cavity tube and the far cavity tube, which are far away from the fixator, are all provided with heparin caps; the central cavity tube, the near cavity tube and the far cavity tube are all provided with tube clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022425153.4U CN213993537U (en) | 2020-10-27 | 2020-10-27 | Central venous catheter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022425153.4U CN213993537U (en) | 2020-10-27 | 2020-10-27 | Central venous catheter device |
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| Publication Number | Publication Date |
|---|---|
| CN213993537U true CN213993537U (en) | 2021-08-20 |
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| CN202022425153.4U Active CN213993537U (en) | 2020-10-27 | 2020-10-27 | Central venous catheter device |
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| CN (1) | CN213993537U (en) |
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- 2020-10-27 CN CN202022425153.4U patent/CN213993537U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210914 Address after: 518000 No.4, Baolong 6th Road, Baolong Industrial City, Longgang District, Shenzhen City, Guangdong Province Patentee after: SCW MEDICATH Ltd. Patentee after: Yuan Su Address before: 518000 No.4, Baolong 6th Road, Baolong Industrial City, Longgang District, Shenzhen City, Guangdong Province Patentee before: SCW MEDICATH Ltd. |
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| TR01 | Transfer of patent right |