Catheter evaluation thrombus filtering device

Abstract

The utility model relates to the field of medical equipment, in particular to a catheter evaluation thrombus filtering device which comprises a catheter, a catheter connecting assembly is detachably installed at the bottom end of the catheter, a medical three-way pipe is fixedly communicated with the bottom end of the catheter connecting assembly, and a rotary valve is arranged on the medical three-way pipe. The bottom end of the medical three-way pipe is fixedly communicated with a thrombus filtering assembly, the bottom end of the thrombus filtering assembly is fixedly communicated with a catheter evaluation assembly, and the side end of the medical three-way pipe is fixedly communicated with a thrombus suction assembly. The catheter is simple in structure and convenient to use, pollution and blood disease spreading are avoided, leakproofness is formed, thrombus can be filtered and sucked out, excessive blood of a patient is prevented from being lost, the thrombus is prevented from being infused back into the body of the patient, meanwhile, the flow smoothness of the catheter can be conveniently evaluated, and the catheter is good in practicability and suitable for popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical equipment, concretely relates to catheter evaluation thrombus filter device. BACKGROUND

[0002] Hemodialysis central venous catheter (CVC) is a double lumen catheter of artificial synthetic material, is mainly used for the treatment of maintenance hemodialysis patient, the catheter is usually placed in the larger vein of human thoracic cavity or abdominal cavity or right atrium through the way of puncturing skin, and the complication of CVC during indwelling has been a problem that clinical nurses are puzzled, and whether the CVC catheter can be safely and long-term used depends on the daily maintenance after catheterization.

[0003] At present, the CVC catheter has the following defects when being used:

[0004] 1. the blood drawn needs to be hit on gauze to see thrombus, which can cause pollution and spread of blood diseases;

[0005] 2. too much blood of the patient is lost due to seeing the thrombus condition of the catheter;

[0006] 3. thrombus is backfed into the patient's body in the catheter flow evaluation process.

[0007] Therefore, it is necessary to invent the catheter evaluation thrombus filter device. UTILITY MODEL CONTENT

[0008] Therefore, the utility model provides catheter evaluation thrombus filter device to solve the problems in the background art.

[0009] In order to realize the above purpose, the utility model provides the following technical scheme: catheter evaluation thrombus filter device, including catheter, the bottom end of catheter is detachable installation has catheter connecting assembly, the bottom end of catheter connecting assembly is fixedly connected with medical tee pipe, be provided with rotary valve on medical tee pipe, the bottom end of medical tee pipe is fixedly connected with thrombus filter assembly, the bottom end of thrombus filter assembly is fixedly connected with catheter evaluation assembly, the side end of medical tee pipe is fixedly connected with thrombus suction assembly.

[0010] Preferably, the catheter connecting assembly includes a connecting pipe, the top end of the connecting pipe is threadedly connected with the bottom end of the catheter, and the bottom end of the connecting pipe is insertedly and fixedly connected with the top end of the medical tee pipe.

[0011] Preferably, the thrombus filter assembly includes a thrombus filter, the top end of the thrombus filter is insertedly and fixedly connected with the bottom end of the medical tee pipe, and a thrombus filter screen is fixedly arranged in the thrombus filter.

[0012] Preferably, the catheter evaluation assembly comprises a first syringe, and the injection port of the first syringe is fixedly connected to the bottom end of the thrombus filter, and the surface of the first syringe is provided with a first scale line.

[0013] Preferably, the thrombus suction assembly comprises a second syringe, and the injection port of the second syringe is fixedly connected to the side end of the medical tee pipe, and the surface of the second syringe is provided with a second scale line.

[0014] The catheter, the catheter connecting assembly, the tee pipe, the rotary valve, the thrombus filtering assembly, the catheter evaluation assembly and the thrombus suction assembly are used in cooperation, the extracted blood does not need to be hit on gauze to observe thrombus, pollution and blood disease transmission are avoided, airtightness is formed, the thrombus can be filtered and sucked out, loss of too much blood of a patient and reinfusion of the thrombus into the patient are avoided, the catheter flow unobstructedness can be conveniently evaluated, the practicability is better, and the utility model is suitable for promotion. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure sectional view is provided for the utility model;

[0016] Figure 2 The structure front view is provided for the utility model;

[0017] Figure 3 The structure schematic view when the catheter is evaluated is provided for the utility model;

[0018] Figure 4 The structure schematic view when the thrombus is sucked out is provided for the utility model.

[0019] In the drawing: 1, catheter; 2, medical tee pipe; 3, rotary valve; 4, connecting pipe; 5, thrombus filter; 6, thrombus filtering screen; 7, first syringe; 8, first scale line; 9, second syringe; 10, second scale line. DETAILED DESCRIPTION

[0020] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used for describing and explaining the utility model, and are not used for limiting the utility model.

[0021] Please refer to the attached Figures 1-4The utility model provides a catheter evaluates thrombus filter device, including catheter 1, catheter 1 bottom end detachably installs catheter connecting component, and the bottom end fixed communication of catheter connecting component has medical three -way pipe 2, be provided with rotary valve 3 on medical three -way pipe 2, and medical three -way pipe 2 with rotary valve 3 is the technology that the person skilled in the art knows, and medical staff can pass through rotating rotary valve 3, adjust the flow direction of medical three -way pipe 2 and use, and the bottom end fixed communication of medical three -way pipe 2 has thrombus filter component, and the bottom end fixed communication of thrombus filter component has catheter evaluation component, and the side end fixed communication of medical three -way pipe 2 has thrombus suction component,

[0022] Catheter connecting component includes connecting pipe 4, and the top end of connecting pipe 4 is threadedly connected with the bottom end of catheter 1, and the bottom end of connecting pipe 4 is insertedly fixed with the top end of medical three -way pipe 2, can effectively prevent connecting pipe 4 and catheter 1 disconnect, avoid the situation of air embolism appears;

[0023] Thrombus filter component includes thrombus filter 5, and the top end of thrombus filter 5 is insertedly fixed with the bottom end of medical three -way pipe 2, and thrombus filter 5 is fixed with thrombus filter screen 6 inside, and thrombus filter screen 6 is preferably set as dense membrane, can filter thrombus in blood, and thrombus filter 5 and thrombus filter screen 6 are the technology that the person skilled in the art knows;

[0024] Catheter evaluation component includes first syringe 7, and the injection port of first syringe 7 is insertedly fixed at the bottom end of thrombus filter 5, and first syringe 7 is provided with first scale line 8 on the surface, specifically, after medical staff threadedly connects catheter 1 with connecting pipe 4, can rotate rotary valve 3 on medical three -way pipe 2 to the position (such as Figure 3 ) shown in the upper end and lower end flow of medical three -way pipe 2, then pull first syringe 7, whether the flow of test catheter 1 is unobstructed, can conveniently evaluate the flow unobstructed of catheter 1, and cooperate with the use of thrombus filter screen 6, can filter thrombus, avoid thrombus back to the patient's body;

[0025] Thrombus suction component includes second syringe 9, and the injection port of second syringe 9 is insertedly fixed at the side end of medical three -way pipe 2, and second syringe 9 is provided with second scale line 10 on the surface, specifically, when thrombus is filtered on thrombus filter screen 6, medical staff can rotate rotary valve 3 on medical three -way pipe 2 to the position (such as Figure 4 ) shown in the side end and bottom end flow of medical three -way pipe 2, at this time, by pulling second syringe 9, thrombus on thrombus filter screen 6 is sucked out, can filter and suck out thrombus, and the whole device forms airtightness, and the extracted blood does not need to be hit on gauze to see thrombus, avoids causing pollution and the spread of blood disease, also avoids losing too much blood of patient.

[0026] The use process of the utility model is as follows: medical staff can rotate the rotary valve 3 on the medical tee pipe 2 to the position (such as Figure 3 ) shown in the drawing that the upper end and the lower end of the medical tee pipe 2 are in flow communication after the threaded connection of the catheter 1 and the connecting pipe 4, then the first syringe 7 is pulled, whether the flow of the catheter 1 is unobstructed is checked, the flow unobstructedness of the catheter 1 can be conveniently evaluated, and the thrombus can be filtered by cooperating with the use of the thrombus filter screen 6, the thrombus is avoided to be back fed into the patient's body, when the thrombus filter screen 6 filters the thrombus, the medical staff can rotate the rotary valve 3 on the medical tee pipe 2 to the position (such as Figure 4 ) shown in the drawing that the side end and the bottom end of the medical tee pipe 2 are in flow communication, at this time, the thrombus on the thrombus filter screen 6 is sucked out by pulling the second syringe 9, the thrombus can be filtered and sucked out, and the device is integrally formed to be airtight, the extracted blood does not need to be hit on gauze to check the thrombus, pollution and the spread of blood diseases are avoided, and the loss of too much blood of the patient is also avoided.

[0027] The above is only the preferred embodiment of the utility model, any skilled person in the art can modify the technical scheme set forth above or modify it into the equivalent technical scheme. Therefore, any simple modification or equivalent replacement according to the technical scheme of the utility model is within the scope of protection required by the utility model.

Claims

1. Catheter evaluation thrombus filter device, comprising a catheter (1), characterized in that: The bottom end of the catheter (1) is detachably provided with a catheter connecting assembly, the bottom end of the catheter connecting assembly is fixedly communicated with a medical tee pipe (2), the medical tee pipe (2) is provided with a rotary valve (3), the bottom end of the medical tee pipe (2) is fixedly communicated with a thrombus filtering assembly, the bottom end of the thrombus filtering assembly is fixedly communicated with a catheter evaluation assembly, and the side end of the medical tee pipe (2) is fixedly communicated with a thrombus suction assembly. The thrombus filtering assembly comprises a thrombus filter (5), the top end of the thrombus filter (5) is insertedly fixed with the bottom end of the medical tee pipe (2), and the thrombus filter (5) is fixedly provided with a thrombus filtering screen (6) inside. The catheter evaluation assembly comprises a first syringe (7), the injection port of the first syringe (7) is insertedly fixed at the bottom end of the thrombus filter (5), and the surface of the first syringe (7) is provided with a first scale line (8). The thrombus suction assembly comprises a second syringe (9), the injection port of the second syringe (9) is insertedly fixed at the side end of the medical tee pipe (2), and the surface of the second syringe (9) is provided with a second scale line (10).

2. The catheter-based assessment of a thrombus filter device of claim 1, wherein: The catheter connecting assembly comprises a connecting pipe (4), the top end of the connecting pipe (4) is threadedly connected with the bottom end of the catheter (1), and the bottom end of the connecting pipe (4) is insertedly fixed with the top end of the medical tee pipe (2).

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