CN216908879U - PICC catheter tube placing device - Google Patents

Abstract

The application relates to the technical field of medical equipment, especially, relate to a PICC pipe puts a tub device. The PICC catheter placement device comprises a catheter and a pressure sensor; the catheter comprises a sleeve and a guide wire arranged in the sleeve, and the pressure sensor is arranged at the head end of the guide wire; when the catheter is inserted into a patient's vein, a pressure sensor is inserted into the patient's vein along with the cannula and guidewire to detect the pressure within the vein. When the pressure is in the normal range of the venous pressure, the catheter is indicated to be not ectopic; when the pressure is larger than the normal range, the catheter is ectopic, and at the moment, medical staff are required to immediately adjust the position of the catheter so as to enable the catheter to return to the expected blood vessel path; therefore, whether the catheter is in the correct blood vessel path or not can be monitored in real time through the pressure sensor, and whether the catheter is in an abnormal position or not can be found in time, so that medical personnel can adjust the catheter to return to the correct blood vessel path in time, and further the success of one-time catheter placement of the catheter is realized.

Description

PICC catheter tube placing device

Technical Field

The application relates to the technical field of medical equipment, especially, relate to a PICC pipe puts a tub device.

Background

Peripherally Inserted Central Venous catheters, abbreviated as PICC (percutaneous Venous catheters), have been widely used in tumor chemotherapy, parenteral nutrition, premature infant infusion, etc., become the mainstream method of Venous infusion, and bring good news to patients. In order to ensure the safe use of the catheter and achieve the treatment purpose, the end of the catheter is crucial to reach the expected position; however, the catheter dislocation inevitably occurs in the process of catheter implantation, which becomes a chronic disease of the existing PICC straight tube, and the incidence is high, and whether the catheter is displaced can be judged only through the image evidence after the catheter implantation is finished; once catheter dislocation occurs, the catheter needs to be readjusted to the correct position, thereby increasing pain to the patient, increasing economic burden and increasing the incidence of catheter-related catheter infection, and also reducing the working efficiency of nursing care, even causing medical disputes. Therefore, a technology capable of detecting the trend of the catheter in real time in the process of placing the catheter is urgently needed, the advancing direction of the catheter is judged, and the ectopic condition of the catheter is found in time, so that medical workers can adjust the catheter in the first time, and the purpose of successfully placing the catheter at one time is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a PICC catheter tube placing device, which can successfully place a tube at one time.

The utility model provides a PICC catheter tube placing device, which comprises a catheter and a pressure sensor, wherein the catheter is arranged on the PICC catheter tube placing device; the catheter comprises a sleeve and a guide wire arranged in the sleeve, and the pressure sensor is arranged at the head end of the guide wire; the pressure sensor is used to detect venous pressure.

Further, the pressure sensor is a MEMS pressure sensor.

Further, the PICC catheter placement device also comprises a controller and a display;

the controller is in wireless communication connection with the pressure sensor, and the display is in communication connection with the controller;

and a pressure value signal acquired by the pressure sensor is sent to the display through the controller, and the display is used for displaying venous pressure change.

Further, the display is configured with a waveform generation module;

when the pressure value received by the display is in the normal range of the venous pressure, the waveform generation module generates a waveform curve of a first color and displays the waveform curve through the display;

when the pressure value received by the display is larger than the normal range of the venous pressure, the waveform generation module generates a waveform curve of a second color and displays the waveform curve through the display.

Furthermore, a red indicator light and a green indicator light are arranged on the display;

when the pressure value received by the display is in the normal range of the venous pressure, the green indicator lamp is lightened;

when the pressure value received by the display is larger than the normal range of venous pressure, the red indicator lamp is lightened.

Furthermore, a groove is formed at the head end of the guide wire, and the pressure sensor is embedded in the groove.

Further, the pressure sensor is integrated with a power supply module; the power module is used for supplying power to the pressure sensor.

Further, the pressure sensor is integrated with a start key; the start key is used for starting the pressure sensor.

Further, the pressure sensor extends out of the sleeve so that the actuating key is located outside the sleeve.

Further, the guidewire and the pressure sensor are extractable from inside the catheter.

Compared with the prior art, the utility model has the beneficial effects that:

the PICC catheter tube placing device provided by the utility model comprises a catheter and a pressure sensor; the catheter comprises a sleeve and a guide wire arranged on the inner side of the sleeve, and the pressure sensor is arranged at the head end of the guide wire; when the catheter is inserted into a vein of a patient, the pressure sensor is inserted into the vein of the patient along with the cannula and the guide wire, so that the pressure in the vein can be detected by the pressure sensor. Medical personnel find that the pressure at the head end of the ectopic PICC catheter changes from the direction along the venous blood flow to the direction opposite to the venous blood flow, and the pressure at the head end of the ectopic PICC catheter obviously changes; therefore, the pressure sensor is used for detecting the pressure in the vein in real time, and whether the catheter is ectopic or not in the process of catheterization can be judged according to the change of the pressure in the vein. When the pressure is in the normal venous pressure range, the catheter position is not ectopic; when the pressure detected by the pressure sensor is larger than the range value of the normal venous pressure, the catheter is indicated to be ectopic, and the medical staff is required to immediately adjust the position of the catheter at the moment so as to enable the catheter to return to the expected blood vessel path again; when the pressure value detected by the pressure sensor is restored to be within the normal pressure range, the catheter is back to the expected blood vessel path, and the catheter can be pushed into the blood vessel to continue the catheterization. Therefore, whether the catheter is in the correct blood vessel path or not can be monitored in real time through the pressure sensor, and whether the catheter is in an abnormal position or not can be found in time, so that medical personnel can adjust the catheter to return to the correct blood vessel path in time, and further the success of one-time catheter placement of the catheter is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a PICC catheter placement device according to an embodiment of the present invention.

Reference numerals:

1-casing, 2-guide wire, 3-pressure sensor, 4-display.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

A PICC catheter placement device according to some embodiments of the present application is described below with reference to fig. 1.

The present application provides a PICC catheter placement device, as shown in fig. 1, comprising a catheter and a pressure sensor 3; the catheter comprises a sleeve 1 and a guide wire 2 arranged on the inner side of the sleeve 1, and the pressure sensor 3 is arranged at the head end of the guide wire 2; when the catheter is inserted into a vein of a patient, the pressure sensor 3 is inserted into the vein of the patient together with the cannula 1 and the guide wire 2, so that the pressure in the vein can be detected by the pressure sensor 3.

Medical personnel find that the pressure at the head end of the ectopic PICC catheter changes from the direction along the venous blood flow to the direction opposite to the venous blood flow, and the pressure at the head end of the ectopic PICC catheter obviously changes; therefore, the pressure sensor 3 detects the pressure in the vein in real time, and whether the catheter is ectopic in the process of catheterization can be judged according to the change of the pressure in the vein. When the pressure detected by the pressure sensor 3 is in the normal range of the venous pressure, the abnormal position of the catheter is not shown; when the pressure detected by the pressure sensor 3 is larger than the normal range of the venous pressure, the catheter is indicated to be ectopic, and at the moment, medical staff are required to immediately adjust the position of the catheter so as to enable the catheter to return to the expected blood vessel path again; when the pressure value detected by the pressure sensor 3 is restored to be within the normal pressure range, which indicates that the catheter is back to the expected blood vessel path, the catheter can be pushed into the blood vessel to continue the catheterization. Therefore, whether the catheter is in a correct blood vessel path or not can be monitored in real time through the pressure sensor 3, and whether the catheter is in an abnormal position or not can be found in time, so that medical personnel can adjust the catheter to return to the correct blood vessel path in time, and further, the one-time catheter placing success of the catheter is realized.

In one embodiment of the present application, the pressure sensor 3 is preferably a MEMS (Micro-Electro-Mechanical System-Micro-Electro-Mechanical System) pressure sensor having a small outer dimension that enables it to be mounted on the tip of the guide wire 2 and placed along with the guide wire 2 and the cannula 1 into the venous blood vessel of the patient; after successful cannulation, the MEMS pressure sensor can be withdrawn from the catheter along with the guidewire 2.

In one embodiment of the present application, preferably, the PICC catheter placement device further includes a controller and display 4; wherein the controller is in wireless communication connection with the pressure sensor 3 and is used for receiving the pressure in the venous blood vessel collected by the pressure sensor 3. The controller is in communication connection with the display 4, signals of the pressure values acquired by the pressure sensor 3 are sent to the display 4 through the controller, and then the pressure in the venous blood vessel measured by the pressure sensor 3 is displayed through the display 4. Preferably, the controller is integrally mounted inside the display 4.

Preferably, the display 4 is configured with a waveform generation module, and after the display 4 receives the pressure value in the venous blood vessel, a waveform curve of the pressure value is formed on the display 4, so that the medical staff performing the catheterization operation can judge whether the catheter is displaced at the moment according to the pressure value corresponding to the waveform curve on the display 4.

Preferably, the waveform generation module can generate waveform curves with different colors, the waveform curves with different colors correspond to different pressure value ranges, when the catheter is positioned in a correct venous blood vessel, the venous pressure detected by the pressure sensor 3 is in a normal pressure value range, and at this time, the waveform curve with the first color is displayed on the display 4; preferably, the first color is green.

When the catheter is out of position, the pressure value of the venous pressure detected by the pressure sensor 3 is larger than the pressure range of the normal venous pressure, and the waveform curve of the second color is displayed on the display 4; therefore, medical staff who carries out the catheterization operation can quickly and accurately judge whether the catheter is in a correct blood vessel path or not and whether the catheter is in an abnormal position or not according to the color of the curve appearing on the display 4; preferably, the second color is red.

In one embodiment of the present application, preferably, the display 4 is further provided with a red indicator light and a green indicator light, when the pressure of the venous blood vessel measured by the pressure sensor 3 received by the display 4 is within a normal range, the green indicator light will be lighted, which indicates that the catheter is located on the correct blood vessel path at this time; when the pressure of the vein vessel measured by the pressure sensor 3 received by the display 4 is larger than the normal range, the red indicator light will be lighted, which indicates that the catheter is ectopic and deviates from the correct vessel path. Therefore, medical staff can visually, timely and accurately judge whether the catheter is in an abnormal position or not by watching the lighting or extinguishing state of the indicator lamp.

In one embodiment of the present application, preferably, the head end of the guide wire 2 is formed with a groove, and the pressure sensor 3 is in interference fit with the groove, so that the pressure sensor 3 is embedded and installed in the groove, thereby connecting the pressure sensor 3 with the head end of the guide wire 2.

Preferably, the tip end of the cannula 1 is formed with an opening, and the pressure sensor 3 leaks out of the cannula 1 through the opening of the cannula 1 so that the pressure sensor 3 can detect the pressure in the venous blood vessel.

In one embodiment of the present application, the pressure sensor 3 is preferably integrated with a power module and an activation key; the power supply module is used for supplying power to the pressure sensor 3, the starting key is used for starting the pressure sensor 3, and the starting key is positioned on the outer side of the sleeve 1. In the initial state, the pressure sensor 3 is in a closed state, and the pressure sensor 3 is started by touching a start key of the pressure sensor 3 through a thimble; can carry out the operation of putting the pipe of pipe, pressure sensor 3 can be in real time with the venous blood intraductal pressure that records transmit to display 4 through the controller on, medical personnel can judge through the pressure value that display 4 instructed whether the ectopic position appears putting the pipe, realize that the disposable of pipe is put and is managed successfully.

In one embodiment of the present application, preferably, the catheter and the pressure sensor 3 are disposable; when the catheterization is successful, the sleeve 1 is left in the venous blood vessel, the guide wire 2 can be drawn out from the sleeve 1, the pressure sensor 3 is also drawn out together with the guide wire 2 for recycling medical wastes, and the catheter is also recycled for recycling medical wastes after being drawn out from the venous blood vessel, so that the catheter cannot be reused.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A PICC catheter placement device is characterized by comprising a catheter and a pressure sensor;

the catheter comprises a sleeve and a guide wire arranged in the sleeve, the pressure sensor is arranged at the head end of the guide wire, and the guide wire and the pressure sensor can be drawn out from the interior of the sleeve;

the pressure sensor is used for detecting venous pressure so as to judge whether the catheter is ectopic in the process of catheterization according to the change of the pressure in the venous blood vessel;

the PICC catheter placement device further comprises a controller and a display;

the controller is in wireless communication connection with the pressure sensor, and the display is in communication connection with the controller;

and a pressure value signal acquired by the pressure sensor is sent to the display through the controller, and the display is used for displaying venous pressure change.

2. The PICC catheter device of claim 1, wherein the pressure sensor is a MEMS pressure sensor.

3. The PICC catheter placement device of claim 1, wherein the display is configured with a waveform generation module;

the waveform generation module is capable of generating a waveform profile having a first color or having a second color.

4. The PICC catheter placement device of claim 3, wherein a red indicator light and a green indicator light are disposed on the display;

the red indicator light and the green indicator light can be illuminated.

5. The PICC catheter placement device of claim 1, wherein the tip end of the guidewire is formed with a groove, the pressure sensor being embedded within the groove.

6. The PICC catheter placement device of claim 1, wherein the pressure sensor is integrated with a power module;

the power module is used for supplying power to the pressure sensor.

7. The PICC catheter device of claim 1, wherein the pressure sensor is integrated with an activation key;

the start key is used for starting the pressure sensor.

8. The PICC catheter placement device of claim 7, wherein the pressure sensor extends out of the cannula such that the activation key is located outside the cannula.

Images