CN113694349B

CN113694349B - Continuous peripheral nerve block catheter fixing device

Info

Publication number: CN113694349B
Application number: CN202111022353.8A
Authority: CN
Inventors: 卢波; 刘荣君; 袁桧
Original assignee: Ningbo Huamei Hospital University of CAS
Current assignee: Ningbo Huamei Hospital University of CAS
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2023-05-26
Anticipated expiration: 2041-09-01
Also published as: CN113694349A

Abstract

The invention discloses a fixing device of a continuous peripheral nerve block catheter, which comprises: a conduit; the fixing assembly is used for fixing two sides of the catheter, so that the adhesive tape can be used for firmly adhering the catheter to the skin; the adjusting component is used for adjusting the fitting degree of the fixing component and the skin and increasing the applicability of the using part; the cutting assembly is used for cutting the adhesive tape, the adhesive tape is closely attached along the fixed plate, the fixed block and the catheter, and the gap between two sides of the traditional catheter and the skin is made up, so that the catheter is more stable, and the adhesive tape can be conveniently and rapidly cut through the first blade for left and right cutting and the second blade for upper and lower stabbing.

Description

Continuous peripheral nerve block catheter fixing device

Technical Field

The invention relates to the technical field of peripheral nerve block, in particular to a continuous peripheral nerve block catheter fixing device.

Background

The continuous peripheral nerve block catheter kit consists of a Tuohy insulating needle, a hemostatic valve/side hole assembly connected with a pipeline, a catheter with a catheterization guide, a catheter connector, a filter, a fixed application and a syringe. Whether the peripheral vein indwelling needle is fixed, CVC and PICC are applied, care needs to be taken when fixing, the application is fixed by taking a puncture point as the center, puncture point infection is avoided, catheter slipping is avoided, and in order to ensure a fixing effect, medical care requires cross fixation, injection omission occurs in the operation process, the injection is required to be timely replaced and applied to avoid infection, but adhesive tapes are often removed difficultly when the application is replaced, a catheter is pulled in the tearing process, sometimes even the adhesive tapes are required to be cut by a pair of scissors, therefore, the user needs to take special care when using the scissors, so that the catheter is not carelessly sheared, the bottom surface of the catheter is tightly attached to the skin when the adhesive tapes are fixed, the adhesive effect is poor on two sides of the catheter, shaking is easy to cause, and for this reason, we provide a continuous peripheral nerve blocking catheter fixing device.

Disclosure of Invention

The invention aims to provide a fixing device for a continuous peripheral nerve block catheter, which solves the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a continuous peripheral nerve block catheter securement device, comprising: a conduit; the fixing assembly is used for fixing two sides of the catheter, so that the adhesive tape can be used for firmly adhering the catheter to the skin; the adjusting component is used for adjusting the fitting degree of the fixing component and the skin and increasing the applicability of the using part; and the cutting assembly is used for cutting the adhesive tape.

Preferably, the fixed subassembly includes two fixed blocks of being connected fixedly with pipe both sides, fixed block outside top fixedly connected with is the fixed plate of slope structure, fixed plate outer end normal running fit has the clamp plate.

Preferably, the adjusting component comprises two fixed columns connected and fixed with the fixed plate, a threaded rod is connected to the top of each fixed column in a threaded manner, a gear is fixedly connected to the middle of each threaded rod, a chain is wound between the gears, an adjusting rod is fixedly connected to the top of each threaded rod in a penetrating manner, and limiting plates connected and fixed with the threaded rods are arranged on the upper side and the lower side of each fixed plate.

Preferably, the cutting assembly comprises an adjusting block, a first movable groove is formed in the fixing block, a second movable groove penetrating through the fixing block is formed in the top surface of the first movable groove, a first blade is slidably matched in the second movable groove, a second blade fixedly connected with the first blade is arranged above the second movable groove, and a pressing assembly convenient for puncturing an adhesive tape is arranged in the second movable groove.

Preferably, the pressing component comprises a first movable block in sliding fit with the second movable groove, the first movable block is fixedly connected with the first blade, a second movable block in sliding fit with the second movable groove is arranged below the first movable block, a telescopic rod is fixedly connected between the first movable block and the second movable block, a spring is wound on the outer surface of the telescopic rod, and two ends of the spring are respectively connected with the first movable block and the second movable block in a hanging mode.

Preferably, the first blade and the second blade are both double-sided.

Preferably, the side surfaces of the first movable block and the second movable block are embedded with balls which are in sliding fit with the second movable groove.

Preferably, the top surface of the fixed block is a smooth and smooth joint surface with the catheter.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the pressure-resisting plate is tightly attached to the skin, so that the adhesive tape is tightly attached to the fixing plate, the fixing block and the catheter, gaps between two sides of the traditional catheter and the skin are made up, the catheter is more stable, and the pressure-resisting plate is adjusted through threads, so that the applicability of the device can be increased, and the catheter can be fixed at various parts of a human body.

2. According to the invention, the first blade slides back and forth along the second movable groove left and right, so that the adhesive tape tightly stuck on the fixed block is scratched and cut, the adhesive tape is more convenient and stable to replace, the influence on a catheter and a puncture point is avoided, the first blade is convenient to cut the adhesive tape up and down by pressing the adjusting block downwards, the second blade is convenient to cut quickly by poking the adhesive tape from top to bottom, and the left and right cutting action is more flexible by the ball.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

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

FIG. 3 is an enlarged view of the structure of region B in FIG. 1;

fig. 4 is a cross-sectional view of the structure of fig. 3.

In the figure: 1-a catheter; 2-fixing the assembly; 3-fixing blocks; 4-a fixing plate; 5-pressing plate; 6-an adjustment assembly; 7-fixing the column; 8-a threaded rod; 9-gear; 10-a chain; 11-adjusting the rod; 12-limiting plates; 13-a cutting assembly; 14-adjusting blocks; 15-a first movable trough; 16-a second movable trough; 17-a first blade; 18-a second blade; 19-pressing down the assembly; 20-a first movable block; 21-a second movable block; 22-telescopic rod; 23-springs; 24-ball.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: a continuous peripheral nerve block catheter securement device, comprising: a catheter 1; the method is characterized in that: the catheter also comprises a fixing component 2, wherein the fixing component 2 is used for fixing two sides of the catheter 1, so that the catheter 1 can be firmly stuck on the skin by the adhesive tape; the adjusting component 6 is used for adjusting the fitting degree of the fixing component 2 and the skin, so that the applicability of the using part is improved; a cutting assembly 13, said cutting assembly 13 being used for cutting the adhesive tape.

The fixing component 2 comprises two fixing blocks 3 which are fixedly connected with two sides of the catheter 1, a fixing plate 4 which is of an inclined structure is fixedly connected to the top of the outer side of the fixing block 3, a pressing plate 5 is rotatably matched with the outer end of the fixing plate 4, the pressing plate 5 is tightly attached to the skin, and adhesive tapes are tightly attached to the skin along the fixing plate 4, the fixing blocks 3 and the catheter 1 to make up gaps between two sides of the traditional catheter 1 and the skin.

The adjusting component 6 comprises two fixed columns 7 which are fixedly connected with the fixed plate 4, threaded rods 8 are connected with the top of the fixed columns 7 in a threaded mode, gears 9 are fixedly connected with the middle of the threaded rods 8, chains 10 are wound between the gears 9, adjusting rods 11 are fixedly connected with the fixed plate 4 in a penetrating mode, limiting plates 12 which are fixedly connected with the threaded rods 8 are arranged on the upper side and the lower side of the fixed plate 4, the adjusting rods 11 are rotated, the threaded rods 8 rotate, the threaded rods 8 are screwed into the fixed columns 7 in a straight mode, the pressing plates 5 rotate under the action of the limiting plates 12, and accordingly corresponding adjustment is conducted according to different human body parts fixed by the guide pipe 1.

The cutting assembly 13 comprises an adjusting block 14, a first movable groove 15 is formed in the fixed block 3, a second movable groove 16 penetrating through the fixed block 3 is formed in the top surface of the first movable groove 15, a first blade 17 is slidably matched in the second movable groove 16, a second blade 18 fixedly connected with the first blade 17 is arranged above the second movable groove 16, a pressing assembly 19 convenient for tearing the adhesive tape is arranged in the second movable groove 16, the adjusting block 14 is slidably moved back and forth along the second movable groove 16, and the first blade 17 cuts the adhesive tape back and forth.

The pressing component 19 comprises a first movable block 20 which is in sliding fit with the second movable groove 16, the first movable block 20 is fixedly connected with the first blade 17, a second movable block 21 which is in sliding fit with the second movable groove 16 is arranged below the first movable block 20, a telescopic rod 22 is fixedly connected between the first movable block 20 and the second movable block 21, a spring 23 is wound on the outer surface of the telescopic rod 22, two ends of the spring 23 are respectively connected with the first movable block 20 and the second movable block 21 in a hanging fit manner, the adjusting block 14 is pressed down, and under the action of the spring 23 and the telescopic rod 22, the first movable block 20 carries the first blade 17 and the second blade 18 to move downwards, so that the first blade 17 cuts rubberized fabric up and down, and the second blade 18 stamps rubberized fabric from top to bottom.

The first blade 17 and the second blade 18 are both provided with two edges, so that the rubberized fabric can be cut in the back and forth moving process.

The side surfaces of the first movable block 20 and the second movable block 21 are embedded with balls 24 which are in sliding fit with the second movable groove 16, and the left and right cutting actions are more flexible through the balls 24.

The top surface of the fixing block 3 is a smooth and sequential surface with the guide pipe 1, so that the adhesive tape is tightly attached to the fixing plate 4, the fixing block 3 and the guide pipe 1.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A continuous peripheral nerve block catheter securement device, comprising:

a conduit (1);

the method is characterized in that:

the device also comprises a fixing component (2), wherein the fixing component (2) is used for fixing two sides of the catheter (1) so as to facilitate the adhesive tape to firmly adhere the catheter (1) to the skin;

the adjusting component (6) is used for adjusting the fitting degree of the fixing component (2) and the skin, so that the applicability of the using part is improved;

-a cutting assembly (13), the cutting assembly (13) being for cutting the tape;

the cutting assembly (13) comprises an adjusting block (14), a first movable groove (15) is formed in the fixing block (3), a second movable groove (16) penetrating through the fixing block (3) is formed in the top surface of the first movable groove (15), a first blade (17) is slidably matched in the second movable groove (16), a second blade (18) fixedly connected with the first blade (17) is arranged above the second movable groove (16), a pressing-down assembly (19) which is convenient for tearing adhesive tapes is arranged in the second movable groove (16), the pressing-down assembly (19) comprises a first movable block (20) which is slidably matched with the second movable groove (16), the first movable block (20) is fixedly connected with the first blade (17), a second movable block (21) which is slidably matched with the second movable groove (16) is arranged below the first movable block (20), a telescopic rod (22) is fixedly connected between the first movable block (20) and the second movable block (21), and two ends of the telescopic rod (22) are connected with the first movable block (23) in a sliding mode, and two ends of the telescopic rod (23) are respectively connected with the first movable block (21).

2. A continuous peripheral nerve block catheter securement device according to claim 1, wherein: the fixing assembly (2) comprises two fixing blocks (3) which are fixedly connected with two sides of the guide pipe (1), a fixing plate (4) with an inclined structure is fixedly connected to the top of the outer side of each fixing block (3), and a pressing plate (5) is in rotary fit with the outer end of each fixing plate (4).

3. A continuous peripheral nerve block catheter securement device according to claim 2, wherein: the adjusting component (6) comprises two fixed columns (7) fixedly connected with the fixed plate (4), threaded rods (8) are connected to the tops of the fixed columns (7) in a threaded mode, gears (9) are fixedly connected to the middle of each threaded rod (8), chains (10) are wound between the gears (9), adjusting rods (11) are fixedly connected to the top ends of the threaded rods (8) in a penetrating mode through the fixed plate (4), and limiting plates (12) fixedly connected with the threaded rods (8) are arranged on the upper side and the lower side of the fixed plate (4).

4. A continuous peripheral nerve block catheter securement device according to claim 3, wherein: the first blade (17) and the second blade (18) are both double-sided.

5. A continuous peripheral nerve block catheter securement device according to claim 4, wherein: the side surfaces of the first movable block (20) and the second movable block (21) are embedded with balls (24) which are in sliding fit with the second movable groove (16).

6. A continuous peripheral nerve block catheter securement device according to claim 5, wherein: the top surface of the fixed block (3) is a smooth and sequential connection surface with the guide pipe (1).