CN219721625U - Central venous catheter with good stability - Google Patents

Abstract

The utility model relates to the technical field of central venous catheters, and discloses a central venous catheter with good stability, which comprises a central venous catheter main body, wherein one end of the central venous catheter main body is fixedly communicated with a connector, one side of the connector is fixedly provided with a fixed cylinder, a rotating shaft is rotatably connected in the fixed cylinder, one end of the rotating shaft is positioned outside the fixed cylinder, a fixed belt is fixedly wound in the fixed cylinder, one end of the fixed belt penetrates through the fixed cylinder and is fixedly connected with a limiting strip, the central venous catheter with good stability is fixedly wound in the fixed cylinder through rotating the rotating shaft in the fixed cylinder at one side of the connector, one end of the fixed belt penetrates through the fixed cylinder and is fixedly connected with the limiting strip, one side of the fixed cylinder is provided with a socket which is in sliding connection with the limiting strip, after the central venous catheter is punctured, the central venous catheter is bound on a patient by pulling the fixed belt, and discomfort to the patient after the central venous catheter is debonded by the adhesive belt is avoided.

Description

Central venous catheter with good stability

Technical Field

The utility model relates to the technical field of central venous catheters, in particular to a central venous catheter with good stability.

Background

Central venous catheter placement is a common monitoring and treatment means in the clinic, through a fixed central venous catheter inlet, thereby providing a simple, painless method for intravenous drug therapy, rapid transfusion and volume therapy for intraoperative hemorrhagic shock, total parenteral central venous nutrition, blood transfusion and blood supplies, blood sample collection, central venous pressure monitoring, and the like.

At present, some ascites patients puncture through the central venous catheter, after puncture, joint on the central venous catheter is stuck on the skin through the sticky fixing belt, fixation is carried out, and because the skin can sweat to enable conditions such as the like, the sticky belt fixed on the outer side of puncture can possibly appear debonding, so that the fixation of the central venous catheter is unstable, discomfort is brought to the patient, and the sticky belt is utilized, and when the sticky belt is dismounted, the sticky belt is torn and pulled, so that discomfort is brought to the patient.

For this reason, we propose a central venous catheter with good stability to solve the above problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the central venous catheter which has good stability and avoids discomfort to a patient.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a center intravenous catheter that steadiness is good, includes center intravenous catheter main part, and center intravenous catheter main part one end fixedly connected with connects, connects one side fixed mounting and has a fixed section of thick bamboo, and fixed section of thick bamboo internal rotation is connected with the pivot, and pivot one end is located the fixed section of thick bamboo outside, and the pivot is located fixed section of thick bamboo internal fixation winding and has the fixed band, and fixed band one end runs through the fixed section of thick bamboo to fixedly connected with spacing, fixed section of thick bamboo one side offered with spacing sliding connection's socket, pivot one end runs through and is provided with stop gear.

Preferably, the limiting mechanism comprises a threaded rod penetrating through the rotating shaft, the threaded rod is in threaded connection with the rotating shaft, and a thread groove in threaded connection with the threaded rod is formed in the fixed cylinder.

Preferably, the threaded rod is fixedly connected with the turntable at one end outside the rotating shaft.

Preferably, the outer side of the turntable is fixedly connected with a connecting ring.

Preferably, the baffle is connected with the rotating shaft at one end of the fixed cylinder.

Preferably, the fixation strap is gauze.

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

this kind of central venous catheter that steadiness is good, through rotating the connection pivot in the fixed section of thick bamboo that connects one side, the pivot is located fixed winding of fixed section of thick bamboo has the fixed band, and fixed band one end runs through fixed section of thick bamboo to spacing fixedly connected with is seted up with spacing sliding connection's socket on one side of the fixed section of thick bamboo, and after the central venous catheter was puncture, through pulling the fixed band, bind it on one's body of the patient, it is comparatively firm to central venous catheter's fixed, avoids through the adhesive tape, brings uncomfortable feeling for the patient after the debonding.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is a schematic perspective view of a fixing barrel of the present utility model;

fig. 4 is a schematic perspective sectional structure of the fixing barrel of the present utility model.

In the figure: 1. a central venous catheter body; 2. a joint; 3. a limit bar; 4. a fixing belt; 5. a fixed cylinder; 6. a baffle; 7. a turntable; 8. a connecting ring; 9. a threaded rod; 10. a socket; 11. a rotating shaft; 12. a thread groove.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a central venous catheter with good stability comprises a central venous catheter main body 1, one end of the central venous catheter main body 1 is fixedly communicated with a joint 2, one side of the joint 2 is fixedly provided with a fixing cylinder 5, a rotating shaft 11 is rotationally connected to the fixing cylinder 5, one end of the rotating shaft 11 is positioned at the outer side of the fixing cylinder 5, the rotating shaft 11 is fixedly wound with a fixing belt 4 in the fixing cylinder 5, a connecting port communicated with the inside is formed in one side of the fixing cylinder 5, one end of the fixing belt 4 penetrates through the connecting port and is fixedly connected with a limiting strip 3, the limiting strip 3 is in a T-shaped arrangement, one side of the fixing cylinder 5 is provided with a socket 10 which is in sliding connection with the limiting strip 3, the socket 10 is also in a T-shaped arrangement, one end of the rotating shaft 11 is penetrated and is provided with a limiting mechanism, the limiting mechanism is used for limiting the rotating shaft 11, after the central venous catheter main body 1 is used for puncturing, the central venous catheter main body 1 is bound on a patient by pulling the fixing belt 4, the fixing belt 1 is firm, discomfort is avoided to the patient after the central venous catheter main body 1 is debonded.

When the central venous catheter is used, after the central venous catheter body 1 is used for puncturing, the limiting mechanism is controlled to release limiting the rotating shaft 11, the limiting strip 3 is separated from the socket 10, the fixing band 4 is pulled through the limiting strip 3 to enable the rotating shaft 11 to rotate, the fixing band 4 is wound on a patient, then the limiting strip 3 is slid into the socket 10, the fixing band 4 is tightened through rotating the rotating shaft 11, then the rotating shaft 11 is limited through controlling the limiting mechanism, the central venous catheter body 1 is fixed firmly, and discomfort to the patient after the band is stuck and debonded is avoided; when the fixing strip is required to be detached, the limit strip 3 is separated from the socket 10, then the fixing strip 4 is separated from the patient, fixing by the adhesive tape is avoided, and discomfort can be brought to the patient when the adhesive tape is torn and pulled.

As shown in fig. 2, 3 and 4, further, the limit mechanism comprises a threaded rod 9 penetrating through the rotating shaft 11, the threaded rod 9 is in threaded connection with the rotating shaft 11, a threaded groove 12 in threaded connection with the threaded rod 9 is formed in the fixed cylinder 5, in the use process, after the central venous catheter main body 1 is used for puncturing, the rotating shaft 11 is fixed by one hand, then the threaded rod 9 is rotated to be separated from the threaded groove 12, so that limit on the rotating shaft 11 is released; the fixing belt 4 is wound on a patient, then the limiting strip 3 slides into the socket 10, after the fixing belt 4 is tightened by rotating the rotating shaft 11, the rotating shaft 11 is fixed by one hand, and then the threaded rod 9 is connected with the threaded groove 12 to limit the rotating shaft 11.

As shown in fig. 2, 3 and 4, further, the threaded rod 9 is fixedly connected with the rotary table 7 at one end outside the rotary shaft 11, and in the use process, when the threaded rod 9 needs to be rotated, the rotary table 7 can be rotated to drive the threaded rod 9 to rotate, and the diameter of the rotary table 7 is larger than that of the threaded rod 9, so that the rotary table is convenient for people to hold.

As shown in fig. 3 and 4, further, a connection ring 8 is fixedly connected to the outer side of the turntable 7, and when the threaded rod 9 needs to be rotated during the use process, the turntable 7 can be driven to rotate by rotating the connection ring 8.

As shown in fig. 2, further, the baffle 6 is screwed on one end of the rotating shaft 11 located outside the fixed cylinder 5, in the use process, after the central venous catheter main body 1 is used for puncturing, before the limit strip 3 is separated from the socket 10, the rotating shaft 11 is fixed by one hand, then the baffle 6 is rotated to be misplaced with one end of the socket 10, and the limit strip 3 can be separated from the socket 10; after the fixing belt 4 is wound on a patient, and then the limit strip 3 slides into the socket 10, the fixing belt 4 is tightened by rotating the rotating shaft 11, the fixing rotating shaft 11 is fixed by one hand, then the rotating baffle 6 corresponds to one end of the socket 10, the limit strip 3 can be blocked, and the limit strip 3 is prevented from being separated from the socket 10.

As shown in fig. 2, 3 and 4, further, the fixing band 4 is gauze, the gauze is breathable, and the gauze is tied on the patient to avoid sweat and discomfort to the patient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a center intravenous catheter that steadiness is good, including center intravenous catheter main part (1), center intravenous catheter main part (1) one end fixedly connected with connects (2), a serial communication port connects (2) one side fixed mounting to have fixed section of thick bamboo (5), fixed section of thick bamboo (5) internal rotation is connected with pivot (11), pivot (11) one end is located fixed section of thick bamboo (5) outside, pivot (11) are located fixed section of thick bamboo (5) internal fixation winding and have fixed band (4), fixed band (4) one end runs through fixed section of thick bamboo (5) to fixedly connected with spacing (3), fixed section of thick bamboo (5) one side offered with spacing (3) sliding connection's socket (10), pivot (11) one end runs through and is provided with stop gear.

2. The central venous catheter with good stability according to claim 1, wherein the limiting mechanism comprises a threaded rod (9) penetrating through the rotating shaft (11), the threaded rod (9) is in threaded connection with the rotating shaft (11), and a thread groove (12) in threaded connection with the threaded rod (9) is formed in the fixed cylinder (5).

3. A well-stabilized central venous catheter according to claim 2, characterized in that the threaded rod (9) is fixedly connected with the turntable (7) at the outer end of the rotating shaft (11).

4. A well-stabilized central venous catheter according to claim 3, characterized in that the outer side of the turntable (7) is fixedly connected with a connecting ring (8).

5. The well-stabilized central venous catheter according to claim 1, characterized in that the shaft (11) is screwed with a baffle (6) at the outer end of the fixed cylinder (5).

6. A well-stabilized central venous catheter according to claim 1, characterized in that the fixing band (4) is gauze.