CN220276104U - Hemodialysis catheter fixing device - Google Patents
Hemodialysis catheter fixing device Download PDFInfo
- Publication number
- CN220276104U CN220276104U CN202321448069.1U CN202321448069U CN220276104U CN 220276104 U CN220276104 U CN 220276104U CN 202321448069 U CN202321448069 U CN 202321448069U CN 220276104 U CN220276104 U CN 220276104U
- Authority
- CN
- China
- Prior art keywords
- fixing
- limiting
- chassis
- fixing block
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001631 haemodialysis Methods 0.000 title claims abstract description 29
- 230000000322 hemodialysis Effects 0.000 title claims abstract description 29
- 239000002390 adhesive tape Substances 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 3
- 238000000502 dialysis Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000003053 toxin Substances 0.000 description 2
- 231100000765 toxin Toxicity 0.000 description 2
- 108700012359 toxins Proteins 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000009304 Acute Kidney Injury Diseases 0.000 description 1
- 208000033626 Renal failure acute Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 201000011040 acute kidney failure Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 208000020832 chronic kidney disease Diseases 0.000 description 1
- 208000022831 chronic renal failure syndrome Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000037311 normal skin Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- CEIZFXOZIQNICU-UHFFFAOYSA-N tenuazonic acid Chemical compound CCC(C)C1NC(=O)C(C(C)=O)=C1O CEIZFXOZIQNICU-UHFFFAOYSA-N 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Abstract
The utility model discloses a hemodialysis catheter fixing device, which comprises a fixing piece, wherein the fixing piece comprises a chassis, a fixing block is fixedly arranged on the upper end face of the chassis, the fixing block is in a flat cylinder shape, a plurality of limiting pieces are arranged around the fixing block in a surrounding manner, annular grooves corresponding to the limiting pieces are formed in the arc-shaped side walls of the fixing block, the limiting pieces comprise two symmetrically arranged limiting columns, and limiting spheres corresponding to the annular grooves are fixedly sleeved on the two limiting columns; the adhesive tape piece is arranged in a ring shape; the auxiliary fixing piece comprises a limiting disc and a fixing column coaxially and fixedly arranged on the lower end face of the limiting disc, through holes are coaxially formed in the chassis and the fixing block in a penetrating mode, and the lower ends of the fixing columns extend into the through holes and are provided with annular protrusions in an interference mode. The utility model can conveniently fix the dialysis catheter in any direction, and can conveniently fix the catheter on the skin of a patient, and the fixation stability is higher.
Description
Technical Field
The utility model relates to the technical field related to hemodialysis catheter fixation, in particular to a hemodialysis catheter fixing device.
Background
Hemodialysis is a kidney substitution treatment mode, and the principle of hemodialysis is to lead out blood of a patient from the body, pass through a hemodialysis pipeline, and then through the functions of dispersion, convection, adsorption and the like of a hemodialysis machine, remove toxins and redundant water in the body and maintain the balance of electrolyte and acid and alkali. Clinical hemodialysis is indicated mainly for acute kidney injury and chronic kidney failure, and can also be used for acute drug or poison poisoning. Hemodialysis has the advantages of high in vivo toxin clearance rate, good in water and micromolecular toxin clearance effect, accurate in ultrafiltration volume control, high in long-term survival rate and the like. Hemodialysis catheters are life lines of patients. At present, the hemodialysis catheter is fixed simply by using adhesive tape, and the catheter is sometimes fixed inadequately, so that local discomfort and pain are caused, and the risks of slipping and infection of the catheter are increased.
For this purpose, we propose hemodialysis catheter-fixing devices to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a hemodialysis catheter fixing device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the hemodialysis catheter fixing device comprises a fixing piece, wherein the fixing piece comprises a chassis, a fixing block is fixedly arranged on the upper end face of the chassis, the fixing block is in a flat cylindrical shape, a plurality of limiting pieces are circumferentially arranged around the fixing block, annular grooves corresponding to the limiting pieces are formed in the arc-shaped side walls of the fixing block, the limiting pieces comprise two symmetrically arranged limiting columns, and limiting spheres corresponding to the annular grooves are fixedly sleeved on the two limiting columns;
the adhesive tape piece is arranged in a ring shape, the outer diameter of the adhesive tape piece is larger than the diameter of the chassis, and the inner diameter of the adhesive tape piece is smaller than the diameter of the chassis and larger than the diameter of the fixed block;
the auxiliary fixing piece comprises a limiting disc and a fixing column coaxially and fixedly arranged on the lower end face of the limiting disc, through holes are coaxially formed in the chassis and the fixing block in a penetrating mode, and the lower ends of the fixing columns extend into the through holes and are provided with annular protrusions in an interference mode.
Preferably, a plurality of first rectangular grooves are formed in the arc-shaped side wall of the fixed block in a surrounding mode, and a plurality of second rectangular grooves are formed in the limiting sphere in a surrounding mode.
Preferably, the edge of the upper end surface of the chassis is provided with an annular recess corresponding to the rubberized fabric piece.
Preferably, the cross section of the annular groove is arranged to be semicircular.
Preferably, the diameter of the limiting disc is larger than the diameter of the fixed block.
Preferably, the fixing piece is made of medical rubber materials.
Compared with the prior art, the utility model has the beneficial effects that: the device is provided with a fixing piece and an adhesive tape piece, wherein the fixing piece is fixed through the adhesive tape piece and can be reused; in the device, a fixing piece is matched with a limiting sphere on a limiting column through an annular slot on a fixing block to carry out dialysis catheter, the dialysis catheter can surround the annular slot and is limited through a plurality of limiting spheres, the direction of the dialysis catheter can be changed, the direction of the dialysis catheter can also be kept, and the dialysis catheter is limited by utilizing friction force provided by a plurality of rectangular slots I and a plurality of rectangular slots II; still be provided with supplementary mounting, the cooperation through-hole forms sucking disc structure between mounting and patient's skin, increases the steadiness, and spacing dish on the supplementary mounting can assist in spacing to dialysis catheter moreover, and whole device is convenient to operate, fully guarantees the fixed steadiness to dialysis catheter, fixes moreover on normal skin, can avoid producing great uncomfortable and feel.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of another view of the present utility model.
Fig. 3 is a schematic perspective view of a fixing member according to the present utility model.
In the figure:
the fixing device comprises a fixing piece 1, a rubberized fabric piece 2, an auxiliary fixing piece 3, a chassis 11, a fixing block 12, a limiting column 13, a limiting sphere 14, a limiting disc 31, a fixing column 32 and an annular bulge 33.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to figures 1-3, a hemodialysis catheter securement device, comprising:
the fixing piece 1 for fixing the dialysis catheter adopts a medical rubber material, and the specific structure is as follows: the fixing piece 1 comprises a chassis 11, a fixing block 12 is fixedly arranged on the upper end face of the chassis 11, the fixing block 12 is in a flat cylindrical shape, a plurality of limiting pieces are arranged around the fixing block 12, annular grooves corresponding to the limiting pieces are formed in the arc-shaped side walls of the fixing block 12, the cross section of each annular groove is semicircular, so that a dialysis catheter can be clamped in the corresponding annular groove, the limiting pieces are used for limiting the dialysis catheter in the annular groove, the limiting pieces comprise two symmetrically-arranged limiting columns 13, limiting balls 14 corresponding to the annular groove are fixedly sleeved on the two limiting columns 13, the dialysis catheter can be clamped in the annular groove to be fixed, meanwhile, in order to avoid the fact that the dialysis catheter can be drawn after being fixed, a plurality of rectangular grooves I are formed in a surrounding mode, a plurality of rectangular grooves II are formed in a surrounding mode on the arc-shaped side walls of the fixing block 12, the dialysis catheter is wound on the fixing block 12 and contacted with the limiting balls 14, and therefore friction force can be increased to limit the dialysis catheter, the fixing performance can be fully ensured;
in order to fix the fixing piece 1 on a patient, a rubberized fabric piece 2 is arranged on the patient, the rubberized fabric piece 2 adopts a medical rubberized fabric, the rubberized fabric piece 2 is arranged into a ring shape, if the ring-shaped adhesive tape is lack, the rubberized fabric piece 2 can be fixed around the fixing piece 1 by a circle of strip-shaped adhesive tape, wherein the outer diameter of the rubberized fabric piece 2 is larger than the diameter of the chassis 11, the inner diameter of the rubberized fabric piece 2 is smaller than the diameter of the chassis 11 and is larger than the diameter of the fixing block 12, the chassis 11 can be attached and fixed on the skin of the patient, and in order to conveniently fix the chassis 11, the edge of the upper end surface of the chassis 11 is provided with a ring-shaped recess corresponding to the rubberized fabric piece 2;
in order to increase the effect of fixing the dialysis catheter, an auxiliary fixing part 3 is further arranged, wherein the auxiliary fixing part 3 comprises a limiting disc 31 and a fixing column 32 coaxially and fixedly arranged on the lower end face of the limiting disc 31, through holes are coaxially formed in the chassis 11 and the fixing block 12 in a penetrating manner, the lower end of the fixing column 32 extends into the through holes and is provided with annular protrusions 33 in an interference manner, the dialysis catheter is fixed on the fixing part 1, after the fixing part 1 is fixed on the skin of a patient, the space in the through holes of the fixing part 11 is extruded, the through holes are sealed as much as possible, then the fixing column 32 is inserted into the through holes to seal the through holes, a structure similar to a sucker is formed between the chassis 11 and the skin of the patient, the fixing is performed by air pressure assistance, and the diameter of the limiting disc 31 is larger than the diameter of the fixing block 12, so that the dialysis catheter in the annular grooves can be used for auxiliary fixing.
The following operations are performed when the hemodialysis catheter is fixed: the fixing piece 1 is attached to the skin, then the annular adhesive tape piece 2 is sleeved on the fixing block 12 and attached to the annular recess on the edge of the chassis 11, the adhesive tape piece 2 is wider than the annular recess and is also attached to the skin tightly, the hemodialysis catheter is arranged in the direction according to the requirement, two limit posts 13 penetrate through the annular slot and are clamped into the annular slot around the fixing block 12, a certain angle is wound, the hemodialysis catheter is penetrated out of the annular slot from the other two limit posts 13, a plurality of limit posts 13 limit the hemodialysis catheter in the annular slot, the fixing block 12 is pinched, through holes on the fixing block 12 are extruded, then the fixing posts 32 on the auxiliary fixing piece 3 are inserted into the through holes on the fixing block 12 for auxiliary limit fixing, the auxiliary limit similar to a sucker structure is formed between the fixing piece 1 and the adhesive tape piece 2 and the skin, and meanwhile, the limit disc 31 also limits the hemodialysis catheter in the annular slot, and the fixing of the hemodialysis catheter is completed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. Hemodialysis catheter securement device, characterized in that it comprises:
the fixing piece (1), the fixing piece (1) comprises a chassis (11), a fixing block (12) is fixedly arranged on the upper end face of the chassis (11), the fixing block (12) is flat and cylindrical, a plurality of limiting pieces are circumferentially arranged around the fixing block (12), annular grooves corresponding to the limiting pieces are formed in the arc-shaped side walls of the fixing block (12), the limiting pieces comprise two symmetrically arranged limiting columns (13), and limiting spheres (14) corresponding to the annular grooves are fixedly sleeved on the two limiting columns (13);
the adhesive tape piece (2), the adhesive tape piece (2) is arranged in a ring shape, the outer diameter of the adhesive tape piece (2) is larger than the diameter of the chassis (11), and the inner diameter of the adhesive tape piece (2) is smaller than the diameter of the chassis (11) and larger than the diameter of the fixed block (12);
the auxiliary fixing piece (3), the auxiliary fixing piece (3) comprises a limiting disc (31) and a fixing column (32) coaxially and fixedly arranged on the lower end face of the limiting disc (31), a through hole is coaxially formed in the chassis (11) and the fixing block (12) in a penetrating mode, and the lower end of the fixing column (32) extends into the through hole and is provided with an annular protrusion (33) in an interference mode.
2. Hemodialysis catheter fixing device according to claim 1, characterized in that a plurality of rectangular grooves I are formed in the arc-shaped side wall of the fixing block (12) in a surrounding mode, and a plurality of rectangular grooves II are formed in the limiting sphere (14) in a surrounding mode.
3. Hemodialysis catheter fixing device according to claim 1, characterized in that the edge of the upper end surface of the chassis (11) is provided with an annular recess corresponding to the rubberized fabric (2).
4. The hemodialysis catheter securement device of claim 1, wherein the annular slot is provided with a semi-circular cross section.
5. Hemodialysis catheter fixation device according to claim 1, characterized in that the diameter of the limit disc (31) is larger than the diameter of the fixation block (12).
6. Hemodialysis catheter securement device according to claim 1, characterized in that the securement element (1) is made of medical rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321448069.1U CN220276104U (en) | 2023-06-08 | 2023-06-08 | Hemodialysis catheter fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321448069.1U CN220276104U (en) | 2023-06-08 | 2023-06-08 | Hemodialysis catheter fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220276104U true CN220276104U (en) | 2024-01-02 |
Family
ID=89331567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321448069.1U Active CN220276104U (en) | 2023-06-08 | 2023-06-08 | Hemodialysis catheter fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220276104U (en) |
-
2023
- 2023-06-08 CN CN202321448069.1U patent/CN220276104U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |