CN215231071U - Dressing structure - Google Patents

Abstract

The utility model provides a pair of dressing structure relates to medical equipment technical field to solve to a certain extent and keep somewhere that the needle joint is direct fixed with patient's skin contact, cause the problem of pressure nature damage. The dressing structure provided by the utility model is used for positioning the indwelling needle joint, and comprises a dressing main body and a positioning component; one surface of the dressing main body is a binding surface, and a glue layer is arranged on the binding surface; the positioning assembly comprises a positioning seat, the positioning seat is arranged on one face, deviating from the adhesive layer, of the dressing main body, and the remaining needle joint is detachably connected with the positioning seat.

Description

Dressing structure

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a dressing structure is related to.

Background

In clinical care work, in order to reduce repeated puncture of a patient and protect blood vessels, an indwelling needle is generally selected. The fixation of the tail end joint part of the indwelling needle has certain problems, the existing clinical application medical adhesive tape fixation requires a high-lift platform method for fixation, but the curling, falling and even high-lift platform fixation methods of the adhesive tape are not performed in place, so that the skin of a patient is damaged by pressure. And still need demolish original adhesive tape when the infusion and disinfect the back, carry out the connection of infusion pipeline again, still need reuse adhesive tape laminating fixed at last, it is extremely loaded down with trivial details to operate.

Therefore, it is desirable to provide a dressing structure that solves the problems of the prior art to some extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dressing structure to solve to a certain extent and keep somewhere that the needle joint is direct fixed with patient's skin contact, cause the problem of pressure nature damage.

The utility model provides a dressing structure, which is used for positioning an indwelling needle joint and comprises a dressing main body and a positioning component; one surface of the dressing main body is a binding surface, and a glue layer is arranged on the binding surface; the positioning assembly comprises a positioning seat, the positioning seat is arranged on one surface, deviating from the adhesive layer, of the dressing main body, and the remaining needle joint is detachably connected with the positioning seat.

The positioning assembly further comprises a mounting seat, one face of the mounting seat is attached to one face, deviating from the adhesive layer, of the dressing main body, one end of the positioning seat is connected with the face, deviating from the dressing main body, of the mounting seat in a back mode, and the axis of the positioning seat extends in the thickness direction of the dressing main body.

Specifically, the positioning seat is of an annular structure and forms a limiting space, and the diameter of the limiting space is matched with that of the remaining needle joint; the position of the positioning seat far away from the mounting seat is provided with a first open part, and the remaining needle joint enters the limiting space from the first open part for limiting.

Furthermore, a connecting shaft is arranged on the dressing main body and extends along the thickness direction of the dressing main body; the mounting seat with the connecting axle rotates to be connected, just the mounting seat can rotate relatively the dressing main part to change keep somewhere the orientation of needle joint.

Furthermore, an extension part is formed on the mounting seat, and the extension part extends along the radial direction of the mounting seat in the direction away from the center of the mounting seat.

The positioning assembly further comprises a connecting seat, the connecting seat is fixedly connected with the dressing main body, and the connecting shaft is arranged on the connecting seat; a stopping part is formed on the connecting seat, and the stopping part extends towards the direction far away from the dressing main body so as to be protruded out of the plane where the dressing main body is located; the stopping part is provided with a second open part so that the stopping part is provided with a first end part and a second end part; the extending part is located between the first end part and the second end part and can move between the first end part and the second end part so as to drive the mounting seat to rotate relative to the connecting seat.

Specifically, the first end portion and the second end portion are both provided with a first magnetic piece, and the extending portion is provided with a first suction piece at a position corresponding to the first end portion and the second end portion.

Further, the cross section of the stopping part is in a circular arc structure with a central angle of 270 degrees, so that the central angle of the second opening part is 90 degrees; the indwelling needle hub is in a first position when the extending portion is in contact with the first end and in a second position when the extending portion is in contact with the second end.

Furthermore, a second magnetic piece is arranged on the connecting seat, and a second adsorption piece is arranged on one side, facing the connecting seat, of the extending part; the second magnetic part is located the central point of the second open part, when the second adsorbs the piece with the second magnetic part adsorbs mutually, the extension with the contained angle of first end and the extension with the contained angle of second end all is 45, so that keep somewhere the needle joint and be in the third position.

The dressing main body further comprises a covering layer, the covering layer is attached to the edge of the adhesive layer, and the connecting seat is arranged between the covering layer and the adhesive layer; one end of the connecting shaft is connected with the connecting seat, and the other end of the connecting shaft penetrates through the covering layer to be connected with the mounting seat, so that the mounting seat can rotate relative to the dressing main body.

Compared with the prior art, the utility model provides a dressing structure has following advantage:

the dressing structure provided by the utility model is used for positioning the indwelling needle joint, and comprises a dressing main body and a positioning component; one surface of the dressing main body is a binding surface, and a glue layer is arranged on the binding surface; the positioning assembly comprises a positioning seat, the positioning seat is arranged on one face, deviating from the adhesive layer, of the dressing main body, and the remaining needle joint is detachably connected with the positioning seat.

From this analysis can know, through the glue film that forms on the dressing main part, can adhere with patient's skin mutually better, and when dressing main part and skin adhesion back, will keep somewhere the needle joint and be connected with the positioning seat again to the realization is to keeping somewhere fixed of needle joint. Because keep somewhere the positioning seat of needle joint through dressing main part and fix a position, consequently, the dressing main part is located patient's skin and keeps somewhere between the needle joint to can avoid keeping somewhere the needle joint directly to contact with patient's skin to a certain extent, lead to the problem of pressure nature damage to appear.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of one embodiment of a dressing structure provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic overall structure diagram of a first view angle of a dressing structure according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of another embodiment of a dressing structure provided in an example of the present invention.

In the figure: 1-a dressing body; 101-glue layer; 102-a cover layer; 2-positioning seat; 201-a first open portion; 3-connecting the shaft; 4-mounting a base; 401-an extension; 5-a connecting seat; 501-a stopping part; 502-a second open portion; 503-a first end portion; 504-a second end; 505 — a first magnetic member; 506-a first suction attachment; 507-a second magnetic member; 6-indwelling needle joint.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Fig. 1 is a schematic structural diagram of one embodiment of a dressing structure provided in an embodiment of the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; fig. 3 is a schematic overall structural diagram of a first viewing angle of a dressing structure according to an embodiment of the present invention.

Example 1

As shown in fig. 1 and fig. 3, the utility model provides a dressing structure for positioning an indwelling needle connector 6, which comprises a dressing main body 1 and a positioning component; one surface of the dressing main body 1 is a binding surface, and a glue layer 101 is arranged on the binding surface; locating component includes positioning seat 2, and positioning seat 2 sets up on dressing main part 1 deviates from the one side of glue film 101, keeps somewhere that the needle connects 6 can dismantle with positioning seat 2 and be connected.

Compared with the prior art, the utility model provides a dressing structure has following advantage:

the utility model provides a dressing structure, through the glue film 101 that forms on the dressing main part 1, can adhere mutually with patient's skin better, and after dressing main part 1 and skin adhesion, will keep somewhere needle head 6 again and be connected with positioning seat 2 to the realization is to keeping somewhere fixed of needle head 6. Because the indwelling needle joint 6 is positioned through the positioning seat 2 on the dressing main body 1, the dressing main body 1 is positioned between the skin of the patient and the indwelling needle joint 6, so that the problem of pressure injury caused by direct contact of the indwelling needle joint 6 and the skin of the patient can be avoided to a certain extent.

When the indwelling needle is used, after the puncture of the indwelling needle is completed, the dressing main body 1 is attached to the skin of a patient at the position corresponding to the indwelling needle, and then the indwelling needle connector 6 is connected with the positioning seat 2, so that the indwelling needle connector 6 is fixed.

When the indwelling needle joint 6 needs to be disinfected or connected with an infusion tube, the indwelling needle joint 6 can be directly separated from the positioning seat 2 or connected with the positioning seat 2 after the disinfection or the infusion tube connection is finished.

Because the joint of most lieing in needle is the Y shape joint, consequently, the quantity of positioning seat 2 in this application is two, and accessible bonding is direct to be connected with the one side that deviates from glue film 101 of dressing main part 1. When the dressing main body 1 in the present application includes the adhesive layer 101 and the covering layer 102 as described below, one end of the positioning seat 2 may be disposed between the adhesive layer 101 and the covering layer 102, and the other end protrudes from the covering layer 102, so that the remaining needle joint 6 is connected to the positioning seat 2.

It should be added here that, preferably, a plurality of ventilation holes penetrating through the dressing main body 1 along the thickness direction of the dressing main body 1 are distributed on the dressing main body 1 in the present application, so that the comfort of the patient can be improved to some extent through the ventilation holes.

In this embodiment, the present application provides a structure of the positioning seat 2, as shown in fig. 1 and fig. 3, the positioning seat 2 is in a ring structure and forms a limiting space, and the diameter of the limiting space matches with the diameter of the indwelling needle hub 6; a first open part 201 is formed at a position of the positioning seat 2 far away from the mounting seat 4, and the indwelling needle hub 6 enters the limiting space from the first open part 201 to be limited.

Because keep somewhere needle joint 6 and be the Y shape structure, consequently, two interfaces orientation looks adaptations of keeping somewhere needle joint 6 in the setting mode of two positioning seats 2 in this application, and when keeping somewhere in needle joint 6 gets into the spacing space of two positioning seats 2, the axis of one of them joint can be parallel with dressing main part 1 axis on the width direction.

It should be added that the positioning seat 2 provided by the present application is made of a material having a certain resilience and hardness, such as plastic, and the first opening portion 201 is formed on the positioning seat 2, so that the positioning seat 2 in the present application is composed of two arc-shaped clasping claws which are oppositely arranged, so that the indwelling needle hub 6 can enter the limiting space through the first opening portion 201, and the indwelling needle hub 6 can be limited by the clasping claws on both sides.

Example 2

On the basis of the dressing structure that embodiment 1 provided, this application further provides a dressing structure, wherein, as shown in fig. 1 with fig. 3, the locating component in this application still includes mount pad 4, and the one side of mount pad 4 is laminated mutually with the one side that dressing main part 1 deviates from glue film 101, and the one end of positioning seat 2 is connected with the one side that mount pad 4 deviates from dressing main part 1, and the axis of positioning seat 2 extends along the thickness direction of dressing main part 1.

Through setting up mount pad 4, and make mount pad 4 be connected with dressing main part 1, can make the connection of positioning seat 2 and dressing main part 1 more stable.

Preferably, the cross section of the mounting seat 4 provided by the application is circular, and the edge of the circular mounting seat 4 is more smooth, so that the risk that the mounting seat 4 in other forms scratches a patient in the using process can be avoided to a certain extent.

In this embodiment, the mounting seat 4 can be directly bonded to the side of the dressing main body 1 away from the adhesive layer 101 through bonding, and when the dressing main body 1 described below is composed of the adhesive layer 101 and the covering layer 102, the mounting seat 4 can be located on the outer surface of the dressing main body 1 or can be arranged between the adhesive layer 101 and the covering layer 102.

Considering that more disinfection and butt joint with an infusion tube are needed in the use process of the daily indwelling needle, the dressing main body 1 is provided with the connecting shaft 3, and the connecting shaft 3 extends along the thickness direction of the dressing main body 1; the mounting seat 4 is rotatably connected with the connecting shaft 3, and the mounting seat 4 can rotate relative to the dressing main body 1 to change the orientation of the indwelling needle joint 6.

In the embodiment, the connecting shaft 3 is fixedly connected with the dressing main body 1, and the orientation of the positioning seat 2 is changed by rotating the mounting seat 4 relative to the connecting shaft 3, so that the indwelling needle joint 6 can be conveniently disinfected and connected.

Preferably, as shown in fig. 1 and fig. 3, an extension 401 is formed on the mounting seat 4, and the extension 401 extends in a direction away from the center of the mounting seat 4 in a radial direction of the mounting seat 4. By forming extension 401, it is possible to facilitate rotation and stabilize mounting base 4 for medical personnel.

When needs takeover or disinfection, medical personnel drive mount pad 4 through pulling extension 401 and rotate to can change the orientation of keeping somewhere needle joint 6 through positioning seat 2, make medical personnel conveniently keep somewhere disinfection, takeover or other operations of needle joint 6.

Example 3

Based on the dressing structure provided in the above embodiment, the application further provides a dressing structure, wherein the positioning assembly further comprises a connecting seat 5, the connecting seat 5 is fixedly connected with the dressing main body 1, and the connecting shaft 3 is arranged on the connecting seat 5; a stopping part 501 is formed on the connecting seat 5, and the stopping part 501 extends in a direction away from the dressing main body 1, so that the stopping part 501 protrudes out of the plane where the dressing main body 1 is located; a second opening 502 is opened on the blocking portion 501, so that the blocking portion 501 has a first end 503 and a second end 504; the extending portion 401 is located between the first end 503 and the second end 504, and can move between the first end 503 and the second end 504 to drive the mounting seat 4 to rotate relative to the connecting seat 5.

In this embodiment, the connecting seat 5 is provided to stabilize the arrangement of the connecting shaft 3, so that the mounting seat 4 can rotate relative to the connecting shaft 3 more stably.

The stopper 501 has a first end 503 and a second end 504 capable of blocking the extension 401 from rotating, by a stopper 501 formed on the connecting base 5 and a second open part 502 formed on one side of the stopper 501.

Take the example that the needle puncture position is located patient's back of the hand, in this kind of embodiment, after the puncture was accomplished, medical personnel attached dressing structure in patient's back of the hand corresponds puncture position department, will keep somewhere needle joint 6 again and be connected with positioning seat 2, when needs are disinfected or are takeover remaining needle joint 6, drive mount pad 4 and rotate through pulling extension portion 401 to can make the orientation of keeping somewhere needle joint 6 change.

In the present embodiment, when the extension portion 401 is in contact with the first end portion 503, as shown in fig. 3, the positioning socket 2 of the present invention can orient the hub of one indwelling needle hub 6 in the extending direction of the arm, and therefore, when the mounting socket 4 is rotated, the extension portion 401 is moved from the first end portion 503 to the second end portion 504, and the extension portion 401 is brought into contact with the second end portion 504, the hub of the indwelling needle hub 6 can be deflected from the extending direction of the arm, so that the blockage of the indwelling needle hub 6 by the hand can be reduced to some extent, the indwelling needle hub 6 can be better exposed, and the disinfection and the connection of the catheter can be facilitated. When in disinfection or tube connection, the medical staff can hold the extension part 401 to avoid the problem that the mounting seat 4 slides again.

Therefore, considering that a medical staff needs to hold the extension 401 to maintain the stability of the mounting seat 4 during the disinfection and the connection, it is preferable that the first magnetic member 505 is provided on the first end 503 and the second end 504, and the first suction attachment 506 is provided on the extension 401 at the position corresponding to the first end 503 and the second end 504.

In this application, the first attraction 506 is disposed on the two side walls of the extension 401 at a position corresponding to the first magnetic member 505, and in this application, the first magnetic member 505 may be a magnet, and the first attraction 506 may be a metal capable of being attracted by the magnet, or a magnet capable of being attracted to the first magnetic member 505.

By providing the first magnetic member 505 and the first suction member 506, the extension portion 401 can be stably contacted with the first end portion 503 or the second end portion 504, so that the stability of the mounting seat 4 in the non-sterilization state or the sterilization state can be ensured to some extent.

Example 4

Based on the dressing structure provided in embodiment 3, the present application further optimizes the structure of the connection seat 5, wherein, as shown in fig. 3, the cross section of the blocking portion 501 is in a circular arc structure with a central angle of 270 °, so that the central angle of the second open portion 502 is 90 °; when the extension 401 is in contact with the first end 503, the indwelling needle hub 6 is in the first position and when the extension 401 is in contact with the second end 504, the indwelling needle hub 6 is in the second position.

Since the position of the indwelling needle is buried as required, the direction of the indwelling needle connector 6 can be preferably sterilized or the direction of the connection operation can be reversed when the indwelling needle is positioned in the left and right hands of the patient, as shown in fig. 3, the central angle of the second open portion 502 is set to 90 ° in the present application, and when the extending portion 401 is in contact with the first end portion 503, the indwelling needle connector 6 is in the first position, that is, the direction of the indwelling needle connector 6 is deflected clockwise, which is more suitable for the situation where the indwelling needle is buried in the left hand of the patient.

When the extension 401 is in contact with the second end 504, the indwelling needle hub 6 is in the second position, i.e. the indwelling needle hub 6 is deliberately deflected counter-clockwise, which is more suitable for use when the indwelling needle is implanted in the right hand of the patient.

It should be noted that the stopper 501 in the present application has an arc-shaped structure with a 270 ° central angle, which is only one embodiment that is beautiful and can stably stop the extension portion 401, but the present application is not limited to the embodiment shown in fig. 3, and the stopper 501 in the present application may have a two-column structure, and may be provided only at the positions of the first end portion 503 and the second end portion 504, so that the extension portion 401 has a movement angle of 90 °.

Therefore, based on the above two cases, it is preferable that the connection seat 5 is provided with the second magnetic member 507, and the side of the extension portion 401 facing the connection seat 5 is provided with the second attraction member; the second magnetic member 507 is located at the center of the second opening 502, and when the second magnetic member 507 is attracted to the second attracting member, the included angle between the extending portion 401 and the first end 503 and the included angle between the extending portion 401 and the second end 504 are both 45 °, so that the indwelling needle connector 6 is located at the third position.

By providing the second magnetic member 507 on the mounting seat 4 and providing the second suction member on the extension portion 401, the extension portion 401 can be stably located at a position between the first end portion 503 and the second end portion 504, that is, the included angles between the extension portion 401 and the first end portion 503 and the second end portion 504 are 45 °. The third position of the indwelling needle hub 6 is a position in which the hub of the indwelling needle hub 6 is oriented in the direction in which the arm extends, as shown in fig. 3, that is, a position in which the indwelling needle hub 6 is located when the patient is infusing. Therefore, the second magnetic member 507 and the second suction member can avoid the problem that the mounting seat 4 rotates during infusion to a certain extent.

It should be added that the second magnetic attraction element and the second attraction element can be configured to be compatible with the first magnetic attraction element and the first attraction element 506, and will not be described herein again.

Example 5

As shown in fig. 4, the present application further provides another embodiment, that is, the dressing main body 1 further includes a covering layer 102, the covering layer 102 is attached to the edge of the adhesive layer 101, and the connecting seat 5 is disposed between the covering layer 102 and the adhesive layer 101; one end of the connecting shaft 3 is connected with the connecting seat 5, and the other end penetrates through the covering layer 102 to be connected with the mounting seat 4, so that the mounting seat 4 can rotate relative to the dressing main body 1.

In this embodiment, the connecting seat 5 is located between the covering layer 102 and the adhesive layer 101, and accordingly, the connecting seat 5 does not have the above-mentioned stopping portion 501, and only one end of the connecting shaft 3 penetrates through the covering layer 102 to be connected with the mounting seat 4, so that the mounting seat 4 can rotate relative to the connecting shaft 3.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A dressing structure for positioning an indwelling needle hub includes a dressing body and a positioning assembly;

one surface of the dressing main body is a binding surface, and a glue layer is arranged on the binding surface;

the positioning assembly comprises a positioning seat, the positioning seat is arranged on one surface, deviating from the adhesive layer, of the dressing main body, and the remaining needle joint is detachably connected with the positioning seat.

2. The dressing structure of claim 1, wherein the positioning assembly further comprises a mounting seat, one surface of the mounting seat is attached to one surface of the dressing main body, which is away from the adhesive layer, one end of the positioning seat is connected with the surface of the mounting seat, which is away from the dressing main body, and the axis of the positioning seat extends along the thickness direction of the dressing main body.

3. The dressing structure of claim 2, wherein the positioning seat is a ring-shaped structure and forms a limiting space, and the diameter of the limiting space is matched with that of the indwelling needle connector;

the position of the positioning seat far away from the mounting seat is provided with a first open part, and the remaining needle joint enters the limiting space from the first open part for limiting.

4. The dressing structure of claim 3, wherein the dressing body is provided with a connecting shaft, and the connecting shaft extends in a thickness direction of the dressing body;

the mounting seat with the connecting axle rotates to be connected, just the mounting seat can rotate relatively the dressing main part to change keep somewhere the orientation of needle joint.

5. The dressing structure of claim 4, wherein the mounting base has an extension formed thereon, and the extension extends in a direction radially of the mounting base away from a center of the mounting base.

6. The dressing structure of claim 5, wherein the positioning assembly further comprises a connection seat, the connection seat being fixedly connected with the dressing body, the connection shaft being disposed on the connection seat;

a stopping part is formed on the connecting seat, and the stopping part extends towards the direction far away from the dressing main body so as to be protruded out of the plane where the dressing main body is located;

the stopping part is provided with a second open part so that the stopping part is provided with a first end part and a second end part;

the extending part is located between the first end part and the second end part and can move between the first end part and the second end part so as to drive the mounting seat to rotate relative to the connecting seat.

7. The dressing structure of claim 6, wherein the first end portion and the second end portion each have a first magnetic element disposed thereon, and wherein the extension portion has a first suction attachment disposed thereon at a location corresponding to the first end portion and the second end portion.

8. The dressing structure of claim 7, wherein the stop portion has a cross section in the shape of a circular arc with a central angle of 270 ° such that the central angle of the second open portion is 90 °;

the indwelling needle hub is in a first position when the extending portion is in contact with the first end and in a second position when the extending portion is in contact with the second end.

9. The dressing structure of claim 8, wherein the connecting seat is provided with a second magnetic member, and one side of the extending part facing the connecting seat is provided with a second adsorption member;

the second magnetic part is located the central point of the second open part, when the second adsorbs the piece with the second magnetic part adsorbs mutually, the extension with the contained angle of first end and the extension with the contained angle of second end all is 45, so that keep somewhere the needle joint and be in the third position.

10. The dressing structure of claim 6, wherein the dressing body further comprises a cover layer, the cover layer is attached to the edge of the adhesive layer, and the connecting seat is disposed between the cover layer and the adhesive layer;

one end of the connecting shaft is connected with the connecting seat, and the other end of the connecting shaft penetrates through the covering layer to be connected with the mounting seat, so that the mounting seat can rotate relative to the dressing main body.

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