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CN-224220555-U - CVC catheter outer protective sleeve

CN224220555UCN 224220555 UCN224220555 UCN 224220555UCN-224220555-U

Abstract

The utility model relates to the technical field of CVC catheters, in particular to an outer protective sleeve of a CVC catheter, which comprises a three-way joint, wherein an application main body is fixedly adhered to the upper surface of the three-way joint, an outer pipe and an inner pipe are respectively connected to the front end and the rear end of the three-way joint, a protective mechanism which is convenient for fixedly protecting the inner pipe is arranged on the application main body, a non-woven fabric application strip is fixedly adhered to the upper surface of the application main body, a second fixing strip is arranged at the edge of the upper surface of the non-woven fabric application strip, a limiting strip is fixedly connected to the upper surface of the non-woven fabric application strip, a bottom arc groove is arranged on the upper surface of the limiting strip, a buckle is fixedly connected to the upper surface of the limiting strip, and the upper protective sleeve is arranged on the upper surface of the limiting strip. This CVC pipe outer protective sheath has offered the end arc groove through on non-woven fabrics applies on the spacing of strip fixed surface connection, and end arc groove top is provided with protective sheath and top arc groove to protect outer tube outer end.

Inventors

  • XU SHENGNAN

Assignees

  • 中国人民解放军总医院第五医学中心

Dates

Publication Date
20260512
Application Date
20250402

Claims (8)

  1. 1. The CVC catheter outer protective sleeve comprises a three-way joint (1) and is characterized in that an application main body (2) is fixedly adhered to the upper surface of the three-way joint (1), an outer pipe (101) and an inner pipe (104) are respectively connected to the front end and the rear end of the three-way joint (1), and a protection mechanism (3) which is convenient for fixedly protecting the inner pipe (104) is arranged on the application main body (2); Protection machanism (3), protection machanism (3) include non-woven fabrics apply on strip (301), second fixed strip (302), spacing (303), bottom arc groove (304), buckle (305), go up protective sheath (306), top arc groove (307) and draw-in groove (308), non-woven fabrics apply on the fixed upper surface of bonding in applying main part (2), the edge at non-woven fabrics apply on strip (301) upper surface is seted up to second fixed strip (302), spacing (303) fixed connection is at the upper surface of non-woven fabrics apply on strip (301), bottom arc groove (304) are seted up at the upper surface of spacing (303), buckle (305) fixed connection is at the upper surface of spacing (303), upper protective sheath (306) set up at the upper surface of spacing (303), the lower surface at last protective sheath (306) is seted up in top arc groove (307), draw-in groove (308) run through the lower surface of seting up at last protective sheath (306).
  2. 2. The CVC catheter outer protective sleeve of claim 1, wherein a connector (102) is fixedly connected to the outer end of the outer tube (101), and a lock catch (103) is slidably clamped on the outer tube (101).
  3. 3. The CVC catheter outer protective sleeve of claim 1, wherein a non-woven fabric application layer (201) is fixedly connected to the bottom of the application main body (2), and a first fixing groove (202) is formed in the edge, facing the protective mechanism (3), of the application main body (2) and the non-woven fabric application layer (201).
  4. 4. The CVC catheter outer protective sleeve of claim 1 wherein the top arc groove (307) is disposed directly above the bottom arc groove (304), and the clip (305) is disposed inside the clip groove (308) in a clip-on manner.
  5. 5. The outer CVC catheter protective sheath of claim 3 wherein said second fixing strip (302) is disposed above said first fixing groove (202).
  6. 6. The CVC catheter outer protective sheath of claim 2 wherein the outer tube (101) is snap-fit within the tube cuff groove (309).
  7. 7. The outer CVC catheter protective sheath of claim 2 wherein said outer tube (101) is disposed within said bottom arc groove (304) and said top arc groove (307) in a clamping manner.
  8. 8. A CVC catheter outer protective sleeve according to claim 2 where two sets of outer tubes (101) are provided through the inside of the first and second fixing slots (202, 302).

Description

CVC catheter outer protective sleeve Technical Field The utility model relates to the technical field of CVC catheters, in particular to an outer protective sleeve of a CVC catheter. Background A CVC catheter, i.e., a central venous catheter, is a percutaneous puncture, and the catheter tip is placed in the superior vena cava or inferior vena cava. The device does not have the structure of the outer tube fixing limit protection of the CVC catheter when in use, so that the outer tube of the existing CVC catheter is mostly fixed and protected by application or medical adhesive tape, the fixing effect is poor, the implantation depth of the inner catheter is easily affected if the outer catheter is torn by mistake, further, a patient generates strong uncomfortable feeling, and the outer protective sleeve of the CVC catheter is designed based on the defects of the prior art. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides the CVC catheter outer protective sleeve which has the advantages of fixed limiting protection of the outer tube of the CVC catheter. The utility model provides a technical scheme that the CVC catheter outer protective sleeve comprises a three-way joint, wherein an application main body is fixedly adhered to the upper surface of the three-way joint, the front end and the rear end of the three-way joint are respectively connected with an outer pipe and an inner pipe, and a protective mechanism which is convenient for fixedly protecting the inner pipe is arranged on the application main body; The protection mechanism comprises a non-woven fabric applying strip, a second fixing strip, a limiting strip, a bottom arc groove, a buckle, an upper protective sleeve, a top arc groove and a clamping groove, wherein the non-woven fabric applying strip is fixedly adhered to the upper surface of the applying main body, the second fixing strip is arranged at the edge of the upper surface of the non-woven fabric applying strip, the limiting strip is fixedly connected to the upper surface of the non-woven fabric applying strip, the bottom arc groove is arranged on the upper surface of the limiting strip, the buckle is fixedly connected to the upper surface of the limiting strip, the upper protective sleeve is arranged on the upper surface of the limiting strip, the top arc groove is arranged on the lower surface of the upper protective sleeve, and the clamping groove penetrates through the lower surface of the upper protective sleeve. As a preferable technical scheme of the utility model, the outer end of the outer tube is fixedly connected with a connector, and the outer tube is in sliding clamping connection with a lock catch. As a preferable technical scheme of the utility model, the bottom of the application main body is fixedly connected with a non-woven fabric application layer, and the application main body and the non-woven fabric application layer are provided with a first fixing groove towards the edge of the protection mechanism. As a preferable technical scheme of the utility model, the top arc groove is arranged right above the bottom arc groove, and the buckle is clamped in the clamping groove. As a preferable embodiment of the present utility model, the second fixing strip is disposed above the first fixing groove. As a preferable technical scheme of the utility model, the outer tube is clamped and arranged in the tube hooping groove. As a preferable technical scheme of the utility model, the outer tube is clamped and arranged in the bottom arc groove and the top arc groove. As a preferable technical scheme of the utility model, the two groups of outer tubes are arranged inside the first fixing groove and the second fixing strip in a penetrating way. Compared with the prior art, the utility model has the following beneficial effects: This CVC pipe outer protective sheath, through treat that the inner tube is arranged in the patient back, will apply to main part and non-woven fabrics and apply to the layer and laminate from three way connection and the top of inner tube and fix in patient's skin department, then slightly buckle two outer tubes and pass the top from first fixed slot, and place two outer tubes below with non-woven fabrics and apply to the strip, make the second fixed strip set up in the outside of outer tube and laminate fixedly in patient's skin and apply to main part and fix, at this moment with two outer tubes card respectively go into the bottom arc inslot and carry out spacing, then with the top arc inslot that sets up on the protective sheath with bottom arc inslot orientation alignment, and with draw-in groove and buckle alignment back down cover the protective sheath, utilize spacing strip, go up protective sheath, bottom arc inslot and top arc inslot carry out the centre gripping fixedly, make the buckle card lock in the draw-in groove simultaneously, be close to connect the outer tube and press the card to go into the tube in