Protective cover assembly matched with remaining needle

Abstract

The utility model relates to the technical field of medical instruments, provides a protective cover assembly matched with an indwelling needle, and greatly reduces the hidden danger that when the indwelling needle in the prior art is subjected to external force, a needle base drives the indwelling needle to pierce into a blood vessel part and displace. The assembly comprises a protective cover, a patch, a fixing band and a binding band, the protective cover comprises a needle seat protective part and a branch tube protective part which are communicated with each other, a through hole penetrating in the left-right direction is formed in the top of the needle seat protective part, and elastic pressing strips are formed on the side walls of inner cavities of the needle seat protective part and the branch tube protective part; bayonets and positioning grooves distributed in the front-back direction are formed in the left side and the right side of the middle area of the patch respectively, bonding parts and pins are arranged at the left end and the right end of the patch respectively, and the positioning grooves can be in positioning fit with the left side and the right side of the protective cover; clamping hooks are respectively arranged at the left end and the right end of the fixing belt and can be buckled with the bayonets; one end of the bandage is hinged with the patch through a pin, and the other end of the bandage can penetrate through the top through hole of the protective cover to be bonded and fixed with the bonding part.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a protective cover component for an indwelling needle. Background Art

[0002] During the use of the indwelling needle, specifically after the puncture is completed, a transparent film is used to fix the needle seat, or the outer sleeve. The transparent film only serves to fix the needle seat to prevent it from falling off, and cannot effectively protect against external pressure. For some patients who cannot control their own behavior, especially children, when they swing their limbs, once they hit the insertion site, the indwelling needle may fall off, the indwelling needle may be displaced after entering the blood vessel and stick to the blood vessel wall, affecting the infusion flow rate. In extreme cases, it may also cause puncture of the blood vessel, and normal infusion cannot be performed again, and local swelling may occur. The indwelling needle must be re-punctured and set in other limited parts, which brings inconvenience to the treatment.

[0003] For this reason, we propose a protective cover assembly for an indwelling needle. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The utility model provides a protective cover assembly for an indwelling needle, which greatly reduces the hidden danger in the prior art that when the indwelling needle is subjected to external force, the needle seat drives the needle to move into the blood vessel.

[0006] (II) Technical solution

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A protective cover assembly for an indwelling needle, characterized by comprising:

[0009] A protective cover, the protective cover comprising a needle seat protective part and a branch tube protective part which are interconnected, a through hole penetrating in the left and right directions is formed on the top of the needle seat protective part, and pressure strips are formed on the inner cavity side walls of the needle seat protective part and the branch tube protective part, and the pressure strips are elastic and spaced apart along the extension direction of the cavity;

[0010] The patch, the left and right sides of the middle area of ​​the patch are respectively provided with a bayonet and a positioning groove distributed along the front-to-back direction, the left and right ends of the patch are respectively provided with a bonding part and a pin, and the positioning groove can be positioned and matched with the left and right side parts of the protective cover;

[0011] A fixing belt, wherein the left and right ends of the fixing belt are respectively provided with hooks, and the hooks can be buckled with the bayonet;

[0012] A binding strap, one end of which is hinged to the patch through a pin, and the other end of which can pass through the top hole of the protective cover and be bonded and fixed to the bonding part.

[0013] Furthermore, the patch is provided with a row of clips spaced apart in the left-right direction in front of each positioning slot, one end of the fixing belt is provided with double clips and the other end is provided with a single clip, and the clips are columnar as a whole.

[0014] Preferably, part of the bayonet is provided with a slit or a notch.

[0015] Furthermore, the left and right sides of the middle area of ​​the patch are respectively provided with assembly parts protruding upwards, and the bayonet and the positioning groove are formed on the assembly parts.

[0016] Preferably, a front end area of ​​the assembly portion is provided with a hollow, the bayonet is opened on the upper side wall of the hollow, and the bayonet is formed on the upper side wall of the assembly portion located at the hollow.

[0017] A sleeve facing the bayonet is formed in the hollow, and the outer wall of the protruding portion where the hook and the bayonet are engaged is in contact with the inner wall of the sleeve.

[0018] Furthermore, the needle seat protection part and the branch tube protection part are both in an inverted U-shaped structure, and both ends of the U-shaped opening of the needle seat protection part are horizontally folded outward to form a foot, and the foot can be positioned and matched with the positioning groove.

[0019] (III) Beneficial effects

[0020] The utility model provides a protective cover assembly for an indwelling needle, which has the following beneficial effects:

[0021] (1) The protective cover can provide physical protection for the needle seat of the indwelling needle, reducing the risk of needle seat displacement due to accidents such as bumps and squeezing; at the same time, an elastic pressure strip is arranged between the protective cover and the needle seat, which absorbs energy through compression deformation and further reduces the risk of needle seat displacement; the combined effect of the above two greatly reduces the hidden danger of displacement of the indwelling needle inserted into the blood vessel due to displacement driven by the needle seat, thereby ensuring the stability and reliability of subsequent infusion.

[0022] (2) Both the protective cover and the fixing belt can be moved outside the middle area when connected to the patch to provide corresponding space for the operation of the indwelling needle. After the needle is inserted, it can be quickly installed in place, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model in the first use state.

[0024] Figure 2 for Figure 1 Schematic diagram of the structure of the middle protective cover and the strap.

[0025] Figure 3 It is a schematic diagram of the structure of the utility model in the second use state.

[0026] Figure 4 It is a schematic diagram of the structure of the utility model in the third use state.

[0027] Figure 5 It is a schematic cross-sectional view of the utility model in the main viewing direction.

[0028] Figure 6 for Figure 5 Schematic diagram of the structure after partial enlargement of point A in the middle.

[0029] Figure 7 It is a structural schematic diagram of an enlarged bayonet in the utility model.

[0030] In the figure: 1, patch; 1a, middle area; 1b, bayonet; 1b-1, notch; 1c, positioning groove; 1d, assembly part; 1d-1, hollow; 1d-2, sleeve; 1e, bonding part; 2, fixing belt; 2a, hook; 3, protective cover; 3a, needle seat protection part; 3b, branch pipe protection part; 3c, foot; 3d, pressure strip; 3e, perforation; 4, binding strap; 4a, limiting ridge; 5, pin. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See attached Figure 1-7 A protective cover assembly for an indwelling needle includes a patch 1, a fixing belt 2, a protective cover 3 and a binding belt 4.

[0033] The patch 1 is soft and long as a whole, and can fit tightly to the skin surface; an adhesive layer is provided at the bottom of the patch 1, which can fix the patch 1 as a whole to the skin surface; the left and right sides of the middle area 1a of the patch 1 are respectively provided with a snap-on 1b and a positioning groove 1c distributed along the front-to-back direction, and the left and right ends of the patch 1 are respectively provided with an adhesive part and a pin 5, wherein the adhesive layer and the adhesive part 1e are attached with silicone oil protective paper on the surface. When in use, the silicone oil protective paper must be torn off to expose the adhesive area.

[0034] The fixing belt 2 is made of elastic material and can be stretched along its length. Figure 3 As shown, a curved shape that matches with the indwelling needle seat can be formed, and hooks 2a are respectively provided at the left and right ends of the fixing belt 2, and the hooks 2a can be buckled with the bayonet 1b.

[0035] The protective cover 3 is made of rigid material, and includes a needle seat protection part 3a and a branch tube protection part 3b which are interconnected. A through hole 3e is formed on the top of the needle seat protection part 3a and runs through in the left and right directions. The inner cavity side walls of the needle seat protection part 3a and the branch tube protection part 3b are formed with pressure strips 3d distributed at intervals along the extension direction of the cavity. The pressure strips 3d are elastic and can abut against the needle seat and catheter seat of the indwelling needle. Specifically, the needle seat protection part 3a and the branch tube protection part 3b are both inverted U-shaped structures, and the branch tube protection part 3b is inclined relative to the needle seat protection part 3a. The two ends of the U-shaped opening of the needle seat protection part 3a are horizontally folded outward to form feet 3c, and the feet 3c can be positioned and matched with the positioning groove 1c.

[0036] The strap 4 is elastic and can be stretched along its own length direction. One end of the strap 4 is hinged to the patch 1 through a pin 5, and the other end can be bonded and fixed to the adhesive portion 1e to form a limiting ridge 4a to prevent the protective cover 3 from falling out.

[0037] When the utility model is used, first, the component is taken out from the packaging bag, and its state is as follows Figure 3 As shown, a silicone oil protective paper (not shown in the figure) is set on the surface of the adhesive portion. Secondly, the silicone oil protective paper on the back of the patch 1 is torn off, and the patch 1 is pasted behind the puncture point of the indwelling needle and is relatively perpendicular to the blood vessel; thirdly, the bandage 4 is rotated outward together with the protective cover 3, and its state is as shown in FIG. Figure 1 As shown, the middle area 1a of the patch 1 is open to avoid interference with the pin insertion operation; then, insert the pin; finally, fix the fixing belt 2 and the protective cover 3 in sequence, and the two ends of the fixing belt 2 are fastened by the hook 2a and the bayonet 1b, and the fastening position of the hook 2a can be adjusted to adjust the tightness of the fixing belt 2, and the protective cover 3 is pressed and fixed by the strap 4, and the bonding position of the strap 4 and the bonding part can be adjusted to adjust the tightness of the strap 4.

[0038] In this embodiment, the patch 1 is provided with a row of bayonet holes 1b spaced apart in the left-right direction in front of each positioning groove 1c, and the number of bayonet holes 1b in each row is three. One end of the fixing belt 2 is provided with a double hook 2a, and the other end is provided with a single hook 2a. The main body of the hook 2a is columnar and a protruding part that cooperates with the bayonet hole 1b is formed at the bottom. Among them, some bayonet holes 1b are provided with slits or notches 1b-1. The provision of multiple bayonet holes 1b and notches 1b-1 facilitates the removal of the hook 2a, replacement of the position, and adjustment of tightness.

[0039] In this embodiment, the left and right sides of the middle area 1a of the patch 1 are respectively provided with assembly parts 1d protruding upward. The front end area of ​​the assembly part 1d is hollowed out 1d-1, and the rear end area thereof is solid. The bayonet 1b is provided on the upper side wall of the hollowed out part, and the positioning groove 1c is provided on the top of the solid part. Among them, a sleeve 1d-2 is formed in the hollowed out 1d-1, which is directly opposite to the bayonet 1b, and the outer side wall of the protruding part where the hook 2a is engaged with the bayonet 1b is in contact with the inner side wall of the sleeve. The specific setting of the assembly part 1d, on the one hand, locally protrudes to form the assembly part 1d, rather than the overall thickening of the patch, which can reduce the thickness of the patch 1, making the patch 1 softer and easier to fit with the skin surface; on the other hand, the accommodation area after the hook 2a is buckled is provided above the patch body, which prevents the hook 2a from contacting the skin and improves comfort.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A protective cover assembly for an indwelling needle, characterized in that: include: A protective cover, the protective cover comprising a needle seat protective part and a branch tube protective part which are interconnected, a through hole penetrating in the left and right directions is formed on the top of the needle seat protective part, and pressure strips are formed on the inner cavity side walls of the needle seat protective part and the branch tube protective part, and the pressure strips are elastic and spaced apart along the extension direction of the cavity; The patch, the left and right sides of the middle area of ​​the patch are respectively provided with a bayonet and a positioning groove distributed along the front-to-back direction, the left and right ends of the patch are respectively provided with a bonding part and a pin, and the positioning groove can be positioned and matched with the left and right side parts of the protective cover; A fixing belt, wherein the left and right ends of the fixing belt are respectively provided with hooks, and the hooks can be buckled with the bayonet; A binding strap, one end of which is hinged to the patch through a pin, and the other end of which can pass through the top hole of the protective cover and be bonded and fixed to the bonding part.

2. The protective cover assembly for an indwelling needle according to claim 1, characterized in that: The patch is provided with a row of clips spaced apart along the left and right directions at the front side of each positioning slot, one end of the fixing belt is provided with double clips and the other end is provided with a single clip, and the clips are columnar as a whole.

3. The protective cover assembly for an indwelling needle according to claim 2, characterized in that: Some bayonet openings are provided with slits or notches.

4. The protective cover assembly for an indwelling needle according to claim 1, characterized in that: The left and right sides of the middle area of ​​the patch are respectively provided with assembly parts protruding upwards, and the bayonet and the positioning groove are formed on the assembly parts.

5. The protective cover assembly for an indwelling needle as claimed in claim 4, characterized in that: A front end area of ​​the assembly portion is provided with a hollow, the bayonet is opened on the upper side wall of the hollow, and the bayonet is formed on the upper side wall of the assembly portion located at the hollow.

6. The protective cover assembly for an indwelling needle as claimed in claim 5, characterized in that: A sleeve facing the bayonet is formed in the hollow, and the outer side wall of the protruding portion where the hook and the bayonet are engaged is in contact with the inner side wall of the sleeve.

7. The protective cover assembly for an indwelling needle according to claim 1, characterized in that: The needle seat protection part and the branch tube protection part are both in an inverted U-shaped structure, and both ends of the U-shaped opening of the needle seat protection part are horizontally folded outward to form a foot, and the foot can be positioned and matched with the positioning groove.

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