CN219323771U - Catheter holder - Google Patents

Abstract

The present utility model provides a catheter holder comprising: a skin patch comprising at least a hydrocolloid layer; the skin patch is provided with an incision for passing through the catheter; the fixing clamp comprises a base and a gland for keeping the relative state of the catheter and the base, and the base is at least provided with a flexible clamping structure which is adapted to the clamping of the catheter. The guide pipe is firmly fixed through the clamping structure on the base and the cooperation of the pressing cover, so that the guide pipe is prevented from falling off. In addition, the skin patch adopts the hydrocolloid layer, can firmly paste in wound edge skin, can absorb the seepage liquid, reduces the influence of seepage liquid to patient's skin, improves patient's comfort level. The fixer comprises a skin patch and a fixing clamp which is detachably arranged on the skin patch, wherein the fixing clamp can be repeatedly used, and the waste of resources is reduced.

Description

Catheter holder

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a catheter fixer.

Background

In many general surgery operations, patients such as biliary tract, thoracoscope, gastrointestinal tract and the like need to use a drainage tube after surgery, and the purpose of the drainage tube is to drain blood, pus, intestinal juice, bile and the like accumulated in human tissues or abdominal cavity to outside, prevent complications such as postoperative infection and the like, and often serve as a means for treating and observing illness state and a basis for judging illness state prognosis, so that the drainage tube is properly fixed, the drainage tube is kept unobstructed, the situations of compression, discount and falling of the drainage tube are avoided, and simultaneously, the situations of allergy such as puncture point infection, skin redness, itching, ulcer and the like are avoided, so that the drainage tube is a key for ensuring smooth recovery after surgery of the patients. The traditional adoption of the suture, the sterile dressing and the transparent adhesive tape for fixing the drainage tube can not only cause pain for the patient except puncture, but also leave suture scars, thereby increasing the pain of the patient. In addition, the retention time of the drainage tube of the patient is often longer in the treatment process, and when the patient turns over on the bed and moves out of the bed, the suture is very easy to loose, and unplanned tube drawing is easy to cause. Conventional sterile dressing still has many problems such as red and swelling of the outlet of the catheter caused by application, skin allergy covered by the application, thin and easily curled application material, easy falling off and the like. In addition, the existing drainage tube fixing devices have the problems that the existing drainage tube fixing devices cannot be reused, and resource waste is caused.

Disclosure of Invention

The embodiment of the utility model aims to provide a catheter fixer, which is used for solving the problems that a fixing device of a drainage tube in the prior art is easy to loosen and the fixing device causes uncomfortable influence on a patient.

The embodiment of the utility model adopts the following technical scheme: a catheter holder, comprising:

a skin patch comprising at least a hydrocolloid layer; the skin patch is provided with an incision for passing through the catheter;

the fixing clamp can be detachably arranged on the skin patch and comprises a base and a gland for keeping the relative state of the guide pipe and the base, and the base is at least provided with a flexible clamping structure which is adapted to the clamping of the guide pipe.

In some embodiments, the skin patch further comprises a back adhesive non-woven fabric layer and a protective layer, wherein the hydrocolloid layer is arranged between the back adhesive non-woven fabric layer and the protective layer, and lifting lugs are arranged on the protective layer.

In some embodiments, the base is adhered to the skin patch, one end of the gland is movably connected with the base, and the other end of the gland is in snap connection with the base;

the base is provided with a groove for fixing the clamping structure; the clamping structure is a flexible block, a clamping groove for placing the guide pipe is formed in the top surface of the flexible block, and the pressing cover is matched with the clamping groove to keep the guide pipe in a pressed mode on the base.

In some embodiments, the clamping structure is a silica gel clamping block, the top surface of the silica gel clamping block is provided with a smoothly curved clamping groove, and the two side surfaces of the silica gel clamping block along the length direction of the clamping groove and the surface of one side of the base, which is pressed and buckled by the pressing cover, are respectively provided with mutually matched column grooves and column blocks.

In some embodiments, the flexible block is provided with a lug at two ends corresponding to the clamping groove, and a transition groove with the same trend as the two ends of the clamping groove is arranged on the lug.

In some embodiments, the bottom surface of the silica gel clamping block and the bottom wall of the groove are respectively provided with an insertion block and an insertion hole which are matched with each other for positioning and fixing.

In some embodiments, the base and the gland are integrally configured as a first velcro having at least two opposing sides, one side of the first velcro corresponding to a section of the base being adhered to the skin patch; a flexible block serving as the clamping structure is adhered to the part of the first nylon fastener tape serving as the base, the flexible block comprises a fixed part and a movable part, and a containing part for clamping the catheter is formed between the fixed part and the movable part; the part of the first nylon fastener tape serving as the base is also provided with a second nylon fastener tape used for adhering with the other surface of the first nylon fastener tape.

In some embodiments, the flexible block is foam, the receiving portion is a slit, and one end of the slit penetrates the foam from at least one side of the foam; the gap is internally provided with a double-sided tape for fixing the catheter.

In some embodiments, the flexible block is further provided with a lining board, at least one slot hole penetrating through the lining board is formed in the lining board, the slot hole is opposite to the accommodating portion, and an opening for clamping the catheter is formed in one end of the slot hole.

In some embodiments, the second velcro is provided with a through hole for passing through the catheter corresponding to the incision position, one side of the through hole is provided with a slit, and the slit direction corresponds to the incision direction.

The embodiment of the utility model has the beneficial effects that:

the guide pipe is firmly fixed through the clamping structure on the base and the cooperation of the pressing cover, so that the guide pipe is prevented from falling off. In addition, the skin patch adopts the hydrocolloid layer, can firmly paste in wound edge skin, can absorb the seepage liquid, reduces the influence of seepage liquid to patient's skin, improves patient's comfort level. The fixer comprises a skin patch and a fixing clamp which is detachably arranged on the skin patch, wherein the fixing clamp can be repeatedly used, and the waste of resources is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the structure of a catheter holder according to a first embodiment of the present utility model;

FIG. 2 is a schematic view of a first embodiment of a clip according to the present utility model without a clamping structure;

FIG. 3 is a schematic structural view of a fastening structure according to a first embodiment of the present utility model;

FIG. 4 is a schematic view of a structure of the first embodiment of the present utility model at another angle;

FIG. 5 is a schematic illustration of a method of using the first embodiment of the present utility model;

FIG. 6 is a schematic view showing the structure of a catheter holder according to a second embodiment of the present utility model;

FIG. 7 is a schematic diagram of a second embodiment of the present utility model.

Reference numerals: the device comprises a fixing clamp 1, a base 11, an umbrella-shaped jack 111, a square jack 112, a round jack 113, a lug 114, a clamping groove 115, a gland 12, a pressing strip 121, a clamping hook 122, a column block 123, a boss groove 124, a back adhesive non-woven fabric layer 2, a notch 21, a protection layer 3, a clamping structure 4, a lug 41, a transition groove 42, a clamping groove 43, a column groove 44, a boss 45, a third inserting block 46, a second inserting block 47, a first inserting block 48, a fixed part 49, a movable part 410, a gap 411, a lining 413, a slotted hole 4131, a hydrocolloid layer 5, a first nylon fastener 6, a second nylon fastener 7, a through hole 71, a kerf 72 and a conduit 8.

Detailed Description

Various aspects and features of the present utility model are described herein with reference to the accompanying drawings.

It should be understood that various modifications may be made to the embodiments of the application herein. Therefore, the above description should not be taken as limiting, but merely as exemplification of the embodiments. Other modifications within the scope and spirit of the utility model will occur to persons of ordinary skill in the art.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and, together with a general description of the utility model given above, and the detailed description of the embodiments given below, serve to explain the principles of the utility model.

These and other characteristics of the utility model will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.

It is also to be understood that, although the utility model has been described with reference to some specific examples, a person skilled in the art will certainly be able to achieve many other equivalent forms of the utility model, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

The above and other aspects, features and advantages of the present utility model will become more apparent in light of the following detailed description when taken in conjunction with the accompanying drawings.

Specific embodiments of the present utility model will be described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the utility model, which can be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the utility model in unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not intended to be limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present utility model in virtually any appropriately detailed structure.

The specification may use the word "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the utility model.

In order to solve the problems in the prior art, the utility model discloses a catheter fixer, wherein a catheter in the utility model can be a honeycomb duct or a catheter body in other application scenes. For convenience of description, the following description will be collectively made using a catheter.

As shown in fig. 1, the catheter holder mainly comprises a skin patch and a fixing clip 1. The skin patch at least comprises a hydrocolloid layer 5, wherein the hydrocolloid layer 5 is mainly prepared from a hydrocolloid dressing, and the dressing is prepared by mixing and processing elastic polymeric hydrogel, synthetic rubber and an adhesive; they gel at different rates, forming a dynamic, long-term water-absorbing system. When the dressing absorbs the seepage liquid, the dressing can expand for several times and is firmly adhered to the skin at the edge of the wound. The skin patch is provided with the incision 21 for penetrating the catheter, thereby facilitating the fixation of the catheter and reducing uncomfortable influence on a patient caused by the adjustment of the position of the catheter in the fixation process.

The skin patch is detachably provided with a fixing clip 1, the fixing clip 1 comprises a base 11 and a pressing cover 12 for keeping the relative state of the catheter and the base 11, and the base 11 is at least provided with a flexible fastening structure 4 which is suitable for fastening the catheter. The flexible clamping structure 4 prevents the clamping structure 4 from influencing and extruding the conduit and prevents the conduit from bending or sliding.

The guide pipe is firmly fixed by matching the clamping structure 4 on the base 11 with the gland 12, so that the guide pipe is prevented from falling off. In addition, the skin patch adopts the hydrocolloid layer 5, can be firmly adhered to the skin of the edge of a wound, can absorb seepage, reduce the influence of seepage on the skin of a patient, and improve the comfort level of the patient. The fixer comprises a skin patch and a fixing clamp 1 detachably arranged on the skin patch, wherein the fixing clamp 1 can be repeatedly used, and the waste of resources is reduced.

In some embodiments, the skin patch further comprises a back adhesive non-woven fabric layer 2 and a protective layer 3 in addition to the hydrocolloid layer 5, wherein the hydrocolloid layer 5 is arranged between the back adhesive non-woven fabric layer 2 and the protective layer 3, and the coverage area of the back adhesive non-woven fabric layer 2 by the hydrocolloid layer 5 is smaller than the area of the back adhesive non-woven fabric layer 2 per se; the protective layer 3 is made of release paper which is convenient to tear. The back adhesive non-woven fabric layer 2 comprises at least two surfaces, wherein one surface is an adhesive surface and is used for being provided with a hydrocolloid layer 5 and being adhered to the skin surface of a patient, the other surface is a non-adhesive surface, and the fixing clamp 1 is fixed on the surface. The protective layer 3 is provided with lifting lugs extending out of the edge of the back adhesive non-woven fabric layer 2, so that the protective layer 3 can be torn conveniently. The hydrocolloid layer 5 has good compliance and adhesiveness, and can enable the back adhesive non-woven fabric layer 2 to be closely attached to surrounding skin. The hydrocolloid layer 5 can be directly contacted with the wound of a patient, and the closed environment provided by the hydrocolloid layer 5 is beneficial to the clearance of necrotic tissues by macrophages, improves local blood circulation, and blocks bacterial invasion, thereby reducing the risk of anaerobic bacterial infection. In addition, the hydrocolloid non-woven fabric can keep the proper temperature and humidity of the wound surface of the orifice of the drainage tube, maintain partial oxygen partial pressure and promote the generation of granulation tissues and blood vessels, thereby improving the wound healing speed.

The present disclosure provides two specific embodiments:

the first embodiment is: as shown in fig. 1 to 4, the chassis 11 is adhered to the non-adhesive surface of the adhesive-backed nonwoven layer 2 by double-sided tape, and is located near the middle position of the adhesive-backed nonwoven layer 2. One end of the gland 12 is movably connected with the base 11, such as hinged connection; the other end of the pressing cover 12 is connected with the base 11 through a buckle. The other end of the gland 12 is provided with a locking buckle, the other end of the gland 12 is provided with a clamping hook 122, the clamping hook 1222 is connected with the pressing bar 121, and the base 11 is provided with a clamping hook groove 115 which clamps the clamping hook into the base 11 and can lower the gland 12 to keep locking when the gland 12 is closed. The base 11 is provided with a groove for fixing the fastening structure 4, the groove is matched with the fastening structure 4, and the flexible fastening structure 4 can be extruded into the groove according to the structural characteristics of the flexible fastening structure. Specifically, the fastening structure 4 is a flexible block, such as a silicone clip. In order to better fix the fastening structure 4, the bottom surface of the flexible block and the bottom wall of the groove are respectively provided with an inserting block and an inserting hole which are matched with each other for positioning and fixing. In fig. 3, a construction of the insert is shown, specifically, the insert includes a first insert 48 having a circular cross section and disposed at a central position of a bottom surface of the flexible block, a second insert 47 having a square cross section and disposed around the first insert, and an umbrella-shaped third insert 46 disposed around the first insert and spaced apart from the second insert. A circular jack 113, a square jack 112 and an umbrella-shaped jack 111 which are matched with the plug are correspondingly arranged on the bottom of the groove. The insertion blocks in different forms are matched with the insertion holes, so that the firmness of fixing the clamping structure 4 and the grooves is guaranteed, the clamping structure 4 is prevented from slipping off, and the use of the catheter fixer is influenced. The top surface of silica gel fixture block is equipped with the draw-in groove 43 that supplies to place the pipe, in order to prevent simultaneously that draw-in groove 43 from causing influence such as bending to the pipe in order to improve the chucking degree of pipe and draw-in groove 43, sets up draw-in groove 43 into smoothly crooked draw-in groove 43, like S-shaped draw-in groove 43. When the cover 12 is closed, the cover 12 engages the catch 43 to retain the conduit in the compressed condition on the base 11.

In order to better fix the guide pipe in the clamping groove 43 on the basis of the structure, the two side surfaces of the silica gel clamping block along the length direction of the clamping groove 43 and the surface of the pressing cover 12 on one side of the base 11 are respectively provided with a column groove 44 and a column block 123 which are matched with each other. Specifically, the column grooves 44 may be provided on the surfaces of the silica gel cartridges at both sides along the length direction of the catching groove 43, and as shown in fig. 4, the column grooves 44 include two column grooves 44 at both end positions of one side of the catching groove 43 and one column groove 44 at the middle position of the other side of the catching groove 43. Correspondingly, a column block 123 correspondingly matched with the column groove 44 is arranged on the surface of the pressing cover 12, which is pressed and buckled on one side of the base 11, when the pressing cover 12 is pressed and buckled on the base 11, the column block 123 is inserted into the corresponding column groove, and the silica gel between the column groove and the clamping groove 43 is extruded, so that the further fixation of the guide pipe in the clamping groove 43 is realized; on the one hand, the extrusion force of the column block 123 on the silica gel is constant and is not large, so that destructive influences such as bending and the like on the guide pipe are avoided; in addition, the material characteristics of the silica gel clamping block can not deform and bend the guide pipe in the clamping groove 43, so that the smoothness of the guide pipe is affected. In addition, in order to realize accurate positioning of the base 11 and the gland 12, a boss 45 protruding out of the surface of the silica gel clamping block is further arranged on one side of the clamping groove 43 and corresponds to the surface of the silica gel clamping block, and the structural shape of the boss 45 can be square; the corresponding surface of the column block 123 arranged on the gland 12 is arranged in the boss groove 124 with the matched boss structure form, and the boss 45 and the boss groove 124 are mutually matched to play a role in positioning when the gland 12 is in a closed state.

In order to facilitate the installation and the disassembly of the silica gel clamping block, the two ends of the silica gel clamping block corresponding to the clamping groove 43 are provided with the lugs 41. The base 11 is provided with a hanging lug 114 at a position corresponding to the lug 41, and the hanging lug 114 plays a role of supporting the lug 41 and fixing the base 11. When the silica gel fixture block is clamped into the groove for internal fixation, the lug 41 is positioned outside the groove, and the position of the lug 41 can be held when the silica gel fixture block is installed and detached, so that the installation and detachment speed of the silica gel fixture block is improved. In addition, the lug 41 is provided with a transition groove 42 with the same trend as the two ends of the clamping groove 43, and the groove depth of one end of the transition groove 42 close to the clamping groove 43 is smaller than the groove depth of one end of the transition groove far away from the clamping groove 43; the portions of the conduit extending from the ends of the slot 43 are placed in a transition channel having a configuration that is compatible with the conduit, such as a U-shaped cross-section transition channel. The arrangement of the transition grooves can enable the guide pipes extending from the two ends of the clamping groove 43 to be in stable transition, and the influence on the smoothness of the guide pipes caused by bending at the two ends of the clamping groove 43 is avoided.

The base 11 and the cover 12 in this embodiment may be made of a rigid plastic material, such as PA (nylon). The integral strength of the fixing clamp 1 is guaranteed, the service life of the fixing clamp is prolonged, and the recycling rate of the fixing clamp is improved. In addition, the two sides of the base 11 are hollowed out, so that the overall weight is reduced, the overall burden is reduced, and the comfort of a patient is improved.

As shown in fig. 5, the method of use is as follows:

1. the upper cover is opened, the fixer is placed at a proper position of the guide pipe 8, and the guide pipe 8 is clamped into the clamping groove of the silica gel clamping block.

2. The upper cover is closed and locked, the protective layer 3 of the skin patch is peeled off, and the skin patch is gently stuck on the skin.

3. When the catheter holder is replaced, the upper cover is opened to release the fixation of the catheter 8, the catheter 8 is removed, and the action amplitude is as small as possible.

4. After removal of the catheter 8, gentle peeling was performed at the edge of the patch, and finally the adhesive remaining on the skin of the catheter holder was removed with alcohol.

The second embodiment is: as shown in fig. 6, the base 11 and the gland 12 are integrally configured as a first nylon fastener tape 6 having at least two opposite surfaces, the first surface is a cloth belt surface, the second surface is a suede surface, and the cloth belt is made of a waterproof material, so that the wound site and the duct are effectively closed, and a large amount of splash water can be prevented from immersing into the wound site. One side (cloth belt surface) of the first nylon fastener tape 6 is adhered to the non-adhesive surface of the back adhesive non-woven fabric through double-sided adhesive, and the adhesion position is close to the middle position of the back adhesive non-woven fabric. The flexible block as the fastening structure 4 is adhered to the portion of the first velcro 6 as the base 11. Specifically, the flexible block includes two parts, a fixed part 49 and a movable part 410, wherein the fixed part 49 is adhesively fixed to the first velcro 6 (pile face), and the movable part 410 serves as a free end. Specifically, a receiving portion for clamping the catheter is formed between the fixed portion 49 and the movable portion 410. Specifically, the flexible block can be made of foam, and the soft foam enables a patient to wear the bag more comfortably; the accommodating portion is a slit 411 opened at a middle position of the foam, specifically, one end of the slit 411 penetrates the foam from at least one side of the foam, and the other end of the slit 411 does not penetrate the side of the foam. The foam corresponding to one side of the slit 411 is used as the fixed portion 49, the foam corresponding to the other side of the slit 411 is used as the movable portion 410, and the fixed portion 49 is not completely separated from the movable portion 410. The guide pipe is clamped through the gap 411, so that the guide pipe can be fixed in the gap 411, and the clamping structure 4 extends from the position of the gap 411 penetrating through the side face of the foam, so that the guide pipe is not bent at a large angle to influence the smoothness of the guide pipe. For better fixing the catheter, a double-sided tape for fixing the catheter is provided in the slit 411. The double-sided tape may be provided at a position corresponding to the slit 411 on the side surface of the fixing portion 49. The first nylon fastener 6 is also provided with a second nylon fastener 7 which is adhered to the other surface of the first nylon fastener 6 on the part serving as the base 11. Specifically, the first nylon hasp 6 and the second nylon hasp 7 are fixed through the cooperation of the suede and the hook surface, the compression degree of the gland 12 on the base 11 can be adjusted through the nylon hasp, and the nylon hasp is convenient to operate and is favorable for repeated use.

In some embodiments, the flexible block is further provided with a lining plate 413, for clearly describing the structure and the position relationship of the lining plate 413, two opposite sides of the lining plate 413 are a first side and a second side, one side of the first side of the lining plate 413 is adhered to the flexible block, and the lining plate 413 can adopt a hard plastic plate or a silica gel plate and has a certain supporting and fixing effect on the conduit. At least one slot 4131 penetrating the lining plate 413 is arranged on the lining plate 413, the slot is arranged opposite to the slot 411, and one end of the slot 4131 is provided with an opening for clamping in the conduit. The tube is placed into the slot 4131 from the opening, the tube which does not pass through the slot is positioned on the side of the second surface of the lining plate 413, the tube which passes through the slot 4131 is positioned on the side of the first surface of the lining plate 413, and the tube which passes through the slot is positioned in the slot 411 for fixation. The slotted hole has a certain length, and the edge of slotted hole is rounded, and the pipe is placed along the length direction of slotted hole, prevents that the slotted hole from causing the influence of bending of wide angle to the pipe.

In addition, in order to better fix the catheter, a through hole 71 for passing through the catheter is provided at a position corresponding to the incision 21 of the second velcro 7, a slit 72 is provided at one side of the through hole 71, and the direction of the slit 72 corresponds to the direction of the incision 21. The catheter is placed in the through hole 71 from the incision 21 position through the patch and then from the incision 72 position, the incision 72 having a certain length, and the incision 72 being provided at an end remote from the foam, preventing the catheter placed in the through hole 71 from slipping out of the incision 72. In addition, the provision of slits 72 also facilitates clinical observation of the wound condition by the physician at any time.

As shown in fig. 7, the method of use is as follows:

1. the protective layer 3 at one end of the skin patch corresponding to the through hole of the fixer is peeled off, the skin patch is pulled away from the incision 21 slightly, the catheter passes through the skin patch from the incision 21, meanwhile, the catheter 8 is clamped into the through hole, the skin patch at the end of the through hole is firstly flatly attached to the skin, and then the residual protective layer 3 is peeled off and attached to the skin.

2. The movable part 410 of the foam is pulled open to expose the double-sided tape arranged in the gap, and the release paper of the double-sided tape is peeled off.

3. The hand-pressed guide tube 8 is clamped into a gap on the foam after passing through a lining plate slot hole on the foam, so that the guide tube 8 is parallel to the double-sided adhesive tape, and the guide tube 8 is slightly extruded to be adhered to the double-sided adhesive tape.

4. The movable part 410 which is pulled open is reset, the first nylon fastener tape 6 is used as a part of the pressing cover 12 to be overturned and tensioned to cover the whole foam, and the first nylon fastener tape is attached and fixed with the second nylon fastener tape 7.

5. When the catheter holder is replaced, the first velcro is torn, and the movable part 410 of the foam is pulled to release the fixation of the catheter 8, so that the action amplitude is as small as possible.

6. After the catheter 8 is released, the edge of the patch is gently peeled off, and finally the adhesive remaining on the skin of the patch is removed with alcohol.

The two different catheter holder embodiments above may be selected according to different patients and use cases.

While various embodiments of the present utility model have been described in detail, the present utility model is not limited to these specific embodiments, and various modifications and embodiments can be made by those skilled in the art on the basis of the inventive concept, and these modifications and modifications should be included in the scope of the claimed utility model.

Claims (10)

1. A catheter holder, comprising:

a skin patch comprising at least a hydrocolloid layer; the skin patch is provided with an incision for passing through the catheter;

the fixing clamp can be detachably arranged on the skin patch and comprises a base and a gland for keeping the relative state of the guide pipe and the base, and the base is at least provided with a flexible clamping structure which is adapted to the clamping of the guide pipe.

2. The catheter holder of claim 1, wherein the skin patch further comprises a back adhesive non-woven layer and a protective layer, the hydrocolloid layer being disposed between the back adhesive non-woven layer and the protective layer, and the protective layer being provided with a lifting lug thereon.

3. The catheter holder of claim 1, wherein the base is adhered to the skin patch, one end of the gland is movably connected to the base, and the other end of the gland is snap-connected to the base;

the base is provided with a groove for fixing the clamping structure; the clamping structure is a flexible block, a clamping groove for placing the guide pipe is formed in the top surface of the flexible block, and the pressing cover is matched with the clamping groove to keep the guide pipe in a pressed mode on the base.

4. The catheter holder of claim 3, wherein the fastening structure is a silica gel fixture block, the top surface of the silica gel fixture block is provided with a smoothly curved clamping groove, and two side surfaces of the silica gel fixture block along the length direction of the clamping groove and the surface of the gland on one side of the base are respectively provided with a mutually matched column groove and column block.

5. A catheter holder according to claim 3, wherein the flexible block has tabs at opposite ends of the slot, and wherein the tabs have transition slots with the same orientation as the ends of the slot.

6. The catheter holder of claim 4, wherein the bottom surface of the silicone clip block and the bottom wall of the recess are respectively provided with a plug block and a jack for positioning and fixing, which are mutually matched.

7. The catheter holder of claim 1, wherein the base and the cover are integrally constructed as a first velcro having at least two opposing sides, one side of the first velcro corresponding to a section of the base being adhered to the skin patch; a flexible block serving as the clamping structure is adhered to the part of the first nylon fastener tape serving as the base, the flexible block comprises a fixed part and a movable part, and a containing part for clamping the catheter is formed between the fixed part and the movable part; the part of the first nylon fastener tape serving as the base is also provided with a second nylon fastener tape used for adhering with the other surface of the first nylon fastener tape.

8. The catheter holder of claim 7, wherein the flexible block is foam, the receptacle is a slit, and one end of the slit extends through the foam from at least one side of the foam; the gap is internally provided with a double-sided tape for fixing the catheter.

9. The catheter holder of claim 7, wherein the flexible block is further provided with a lining plate, the lining plate is provided with at least one slot penetrating through the lining plate, the slot faces the accommodating portion, and an opening for the catheter to be inserted is formed at one end of the slot.

10. The catheter holder according to any one of claims 7 to 9, wherein the second velcro is provided with a through hole for passing through the catheter corresponding to the incision position, and a slit is provided on one side of the through hole, and the slit direction corresponds to the incision direction.

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