CN113181508B

CN113181508B - Fixing device for deep vein catheterization

Info

Publication number: CN113181508B
Application number: CN202110481069.0A
Authority: CN
Inventors: 吴静; 何婷
Original assignee: Second Affiliated Hospital Army Medical University
Current assignee: Second Affiliated Hospital Army Medical University
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-11-29
Anticipated expiration: 2041-04-30
Also published as: CN113181508A

Abstract

The invention relates to the field of medical auxiliary devices, in particular to a fixing device for deep vein catheterization. The fixing device comprises a first fixing unit and a second fixing unit, wherein the first fixing unit comprises a cushion layer, and Y-shaped strip seams are arranged on the cushion layer; the fixed unit of second is equipped with opening and bleeder vent including fixed box and pasting the subassembly on the fixed box, and fixed box bottom is equipped with the holding tank of opening down, pastes the subassembly and includes two fixed blocks and a plurality of dead lever, and two fixed blocks can be dismantled with the holding tank and be connected, and two fixed blocks are located the both sides of dead lever respectively, and the both ends of dead lever can be dismantled with two fixed blocks respectively and be connected, but the dead lever relative fixed block rotates simultaneously, is equipped with on the dead lever and pastes portion and shielding part. The fixing device for the deep vein catheterization can fix the deep vein catheter and is convenient for cleaning the skin of a patient.

Description

Fixing device for deep vein catheterization

Technical Field

The invention relates to the field of medical auxiliary devices, in particular to a fixing device for deep vein catheterization.

Background

The deep vein catheterization is to implant the catheter into the internal jugular vein, femoral vein, subclavian vein and other important veins of human body, and directly inject medicine into the veins through the pipeline, which is a conventional step after a major surgery, has the advantage of incapability of placing the deep vein catheterization, and makes the infusion become more rapid, safe and effective. Taking deep intravenous infusion in the neck as an example, the stimulation and damage of hypertonic medicines to blood vessels can be avoided during infusion, and dynamic change of blood volume can be observed when a patient needs a large amount of blood transfusion and fluid infusion.

After the deep venous catheter is implanted into a human body, the end of the catheter is positioned outside the body, and the end of the catheter needs to be fixed on the skin of a patient. However, the deep venous catheter is usually required to be connected with other external equipment, and part of the equipment is heavy, so that the deep venous catheter is easy to pull when a patient turns over.

At present mainly adopt medical adhesive tape to fix dark ductus venosus, and the width of adhesive tape is limited, in order to improve the fixed effect to dark ductus venosus, the adhesive tape quantity that uses during fixing is more, and many adhesive tape cross distribution are on dark ductus venosus, the thickness of adhesive tape overlap portion is great this moment, it is relatively poor to lead to the gas permeability of overlap department, under the higher condition of temperature, patient's skin surface perspires easily, can lead to the viscidity variation of adhesive tape, when dark ductus venosus receives the pulling, the human one end of dark ductus venosus implantation is shifted easily and is deviate from even, especially, the implantation position of dark ductus venosus is when patient neck and shank, because the activity range of neck and shank is great, also can further improve the probability that dark ductus venosus shifted and drop.

In addition, the indwelling time of the deep venous catheter in the patient body needs to be determined according to the illness state of the patient, when the illness state of the patient is serious, the deep venous catheter even needs to be indwelling in the patient body for more than one year, and under the condition that the deep venous catheter is well maintained, the deep venous catheter can be indwelling in the patient body for at least one year after being implanted once. Under the condition that the deep venous catheter needs to be fixed for a long time, sweat, dirt, dead skin and the like can appear on the surface of the skin of a patient, on one hand, the viscosity of the adhesive plaster is also poor, so that the adhesive plaster needs to be replaced at regular intervals, the adhesive plaster needs to be torn off from the deep venous catheter firstly during replacement, and in the process of tearing off the adhesive plaster, the adhesive plaster is easy to pull the deep venous catheter, so that the deep venous catheter is displaced; on the other hand, it is difficult to clean the skin below the deep venous catheter after fixing the deep venous catheter, which can lead to the deep venous catheter being polluted, the deep venous catheter and the adhesive plaster being infected and not being beneficial to the recovery of the patient.

Disclosure of Invention

The invention aims to provide a fixing device for a deep vein catheterization to fix a deep vein catheter and simultaneously facilitate the cleaning of the skin of a patient.

In order to achieve the purpose, the invention adopts the following technical scheme: a fixing device for a deep vein catheterization comprises a first fixing unit and a second fixing unit, wherein the first fixing unit comprises a cushion layer, and Y-shaped strip-shaped seams are arranged on the cushion layer; the fixed unit of second is equipped with opening and bleeder vent including fixed box and pasting the subassembly on the fixed box, and fixed box bottom is equipped with the holding tank of opening down, pastes the subassembly and includes two fixed blocks and a plurality of dead lever, and two fixed blocks can be dismantled with the holding tank and be connected, and two fixed blocks are located the both sides of dead lever respectively, and the both ends of dead lever can be dismantled with two fixed blocks respectively and be connected, but the dead lever relative fixed block rotates simultaneously, is equipped with on the dead lever and pastes portion and shielding part.

The beneficial effect of this scheme does:

1. the first fixing unit in the scheme is used for fixing the pipeline of the deep venous catheter, when the deep venous catheter is fixed, the end part of the deep venous catheter is pressed between V-shaped parts of strip seams on the cushion layer, then the cushion layer and two strip-shaped parts opposite to the strip-shaped parts are pressed on the pipeline in an X-shaped overlapping mode, the overlapped cushion layer is fixed through the adhesive tape at the moment, the pipeline can be fixed quickly, after the two strip-shaped parts of the cushion layer are in the X-shaped overlapping mode, the middle of the cushion layer close to the pipeline is bulged upwards, the two sides of the cushion layer are attached to the skin of a patient, when the pipeline is fixed, a gap also exists between the middle of the cushion layer and the skin, compared with the fact that multiple adhesive tapes are directly attached to the skin of the patient, the first fixing unit in the scheme is more breathable, stuffy thermal sensation around the wound of the patient is avoided, the comfort degree is improved, and meanwhile the situation that the adhesive tape falls off due to excessive sweat secretion of the skin caused by the stuffy thermal sensation is also avoided.

2. The second fixing unit is used for fixing the end part of the deep venous catheter, and during fixing, the fixing box is used for accommodating the end part of the deep venous catheter, so that the deep venous catheter is prevented from being polluted due to the fact that external dirt enters the deep venous catheter. In addition, the pasting part is positioned on the fixing rod, the fixing effect on the fixing box can be controlled through the quantity of the installed fixing rods, after the fixing rod is used for a period of time, the fixing rod can be replaced one by one, when the fixing rod is taken out, the fixing box can be still continuously fixed by the rest fixing rods, the fixing box is prevented from shifting, the fixing rod cannot be pasted on the fixing box, and therefore when the fixing rod is taken out, the fixing box can be prevented from being pulled by the fixing rod, and the fixing box is prevented from shifting.

Furthermore, the pasting part is detachably connected with a pasting layer.

The beneficial effect of this scheme does: after the pasting layer loses efficacy, the pasting layer can be replaced without replacing the fixing rod, so that the replacement cost is reduced.

Furthermore, the shielding part is detachably connected with a cleaning layer.

The beneficial effect of this scheme does: rotate the dead lever to clean layer and skin contact back, clean layer can clean skin to can accomplish the cleanness to skin under the condition that need not remove fixed box, avoid dark ductus venosus to be dragged, avoid infecting simultaneously.

Furthermore, the shielding part is an arc-shaped surface, and the pasting part is a plane.

The beneficial effect of this scheme does: compare with curved portion of pasting, paste portion in this scheme everywhere the same with the distance on skin surface, avoid pasting the too big indentation that forms on skin of the distance between portion middle part and the skin, avoid simultaneously pasting the distance between portion both sides and the skin too big, lead to pasting the layer unable and skin contact, lead to pasting the effect variation.

Furthermore, be equipped with inhalant canal in the dead lever, be equipped with a plurality of apopores that communicate with inhalant canal on the shielding part.

The beneficial effect of this scheme does: after alcohol is injected into the water inlet channel, the alcohol can flow out along the water outlet hole to moisten the cleaning layer and the adhesive layer, so that the adhesive layer is separated from the skin, and the cleaning layer is convenient to clean and disinfect the skin.

Further, a water injection unit is arranged in the holding tank, the water injection unit comprises a stop block, a piston and a piston rod, the stop block is detachably connected with the side wall of the holding tank, a water injection cavity, a connecting channel, an L-shaped channel and a plurality of grooves are arranged in the stop block, the piston is in sliding seal with the side wall of the water injection cavity, the piston rod is fixed with the piston, the piston rod penetrates through the side wall of the water injection cavity and is in sliding connection with the stop block, the connecting channel extends along the length direction of the stop block and is simultaneously communicated with the grooves, and the L-shaped channel enables the connecting channel to be communicated with the water injection cavity; the grooves correspond to the fixing rods one by one, and the fixing rods are connected with the grooves in a sliding mode.

The beneficial effect of this scheme does: alcohol can be added into the water inlet channel rapidly through the water injection unit, and the operation is more convenient.

Furthermore, a plurality of air holes are arranged on the fixed box.

The beneficial effect of this scheme does: the air holes can improve the air permeability of the fixing box, and avoid the skin from being sultry at the opposite position of the fixing box, which causes the skin to secrete a large amount of sweat to cause the quick failure of the pasting part.

Drawings

Fig. 1 is a plan view of a first fixing unit in embodiment 1 of the present invention;

fig. 2 is a perspective view of a second fixing unit in embodiment 1 of the present invention;

FIG. 3 is a right side view of FIG. 2;

fig. 4 is a schematic view of a state in which the fixing rod is engaged with the groove in embodiment 1 of the present invention;

fig. 5 is a perspective view of a second fixing unit in embodiment 2 of the present invention;

fig. 6 is an elevational vertical sectional view of fig. 5.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a cushion layer 1, a strip seam 11, a deep venous catheter 2, a fixing box 3, an air vent 31, a top cover 32, a limiting block 33, a containing groove 34, a fixing block 4, a fixing rod 5, a rotating shaft 51, a water inlet channel 52, a stop block 6, a mounting groove 61, a piston rod 62, a groove 63, a water injection cavity 64, a connecting channel 65, an L-shaped channel 66 and a sealing sleeve 7.

Example 1

The utility model provides a fixing device for dark vein catheterization, including first fixed unit, fixed unit of second and water injection unit, as shown in fig. 1, first fixed unit includes bed course 1, bed course 1 in this embodiment adopts the gauze, be equipped with the bar seam 11 of Y shape on the bed course 1, bar seam 11 is along vertical bed course 1 that runs through, and divide into two bar portions with the left end of bed course 1, when fixing dark vein catheter 2, can carry out spacingly to the pipeline of dark vein catheter 2 after overlapping of two bar portions are criss-cross on the pipeline of dark vein catheter 2.

As shown in fig. 2, the second fixing unit includes a fixing box 3 and a pasting component, the left wall of the fixing box 3 is provided with a mounting opening, the top and the right wall are provided with openings, and the openings of the top and the right wall of the fixing box 3 form an L-shaped gap. Be equipped with the top cap 32 of L shape on the fixed box 3, the left wall of top cap 32 is articulated with the top of fixed box 3, the bottom of top cap 32 and the right wall joint of fixed box 3, top cap 32 is used for sheltering from the opening of fixed box 3 top and right wall.

The bottom of fixed box 3 is equipped with holding tank 34 that the opening faces down, it is located holding tank 34 to paste the subassembly, it includes two fixed blocks 4 and six dead lever 5 to paste the subassembly in this embodiment, six dead lever 5 distribute along holding tank 34's width direction in proper order, two fixed blocks 4 are located the both sides of dead lever 5 respectively, the left wall of holding tank 34 is equipped with the spacing groove, left fixed block 4 can slide into the spacing inslot when receiving thrust left, the right-hand member welding of holding tank 34 has two stopper 33, stopper 33 is located the below of fixed block 4 and is located the front and back both sides of fixed block 4, be used for spacing fixed block 4.

In this embodiment, the two ends of the fixing rod 5 are integrally formed with a rotating shaft 51, the diameter of the rotating shaft 51 is smaller than that of the fixing rod 5, six clamping grooves are formed in the fixing rod 5 on the left side, and the clamping grooves correspond to the rotating shafts 51 one by one. The diameter of draw-in groove is slightly greater than the diameter of pivot 51 for pivot 51 can slide in the draw-in groove in can, be equipped with six logical grooves on the fixed block 4 of front side, six pivot 51 of front side extend to the front side of fixed block 4 from six logical grooves respectively, and pivot 51 lateral wall pastes with logical groove lateral wall mutually. As shown in fig. 3, the fixing rod 5 is provided with an adhering portion and a shielding portion, the adhering portion in this embodiment is a plane, and the projection of the adhering portion along the horizontal direction is located below the fixing box 3, so as to ensure that the adhering portion can contact with the skin when the fixing box 3 is placed on the skin. The shielding part is the arc, pastes respectively on shielding part and the portion of pasting in this embodiment has the cleaning layer and pastes the layer, and the cleaning layer in this embodiment is the gauze, pastes the layer and is the double faced adhesive tape. In practical implementation, under the stronger condition of the viscidity of pasting the layer, also can will paste the eccentric side direction of locating the portion of pasting in layer, paste the layer promptly and can locate the left end or the right-hand member of portion of pasting, when needs are pasted the layer, can more convenient tearing paste the layer.

The water injection unit comprises a stop block 6, a piston and a piston rod 62, the stop block 6 is clamped with the accommodating groove 34, as shown in fig. 4, a water injection cavity 64, a connecting channel 65, an L-shaped channel 66 and six grooves 63 are arranged in the stop block 6, the piston is in sliding seal with the side wall of the water injection cavity 64, the piston rod 62 is welded on the piston, as shown in fig. 2, an installation groove 61 is arranged at the front end of the stop block 6, the front end of the piston rod 62 penetrates through the side wall of the installation groove 61 and extends into the installation groove 61, and the piston rod 62 in the embodiment is in sliding seal with the side wall of the water injection cavity 64. As further shown in fig. 4, the connection passage 65, the filling chamber 64 and the piston rod 62 all extend in the length direction of the stopper 6, the L-shaped passage 66 communicates the rear end of the filling chamber 64 with the rear end of the connection passage 65, and the six grooves 63 all communicate with the connection passage 65. The six grooves 63 in this embodiment are respectively opposite to the six shafts 51, and the ends of the shafts 51 can slide into the grooves 63. In this embodiment, a water inlet channel 52 is disposed in the fixing rod 5, and the water inlet channel 52 penetrates through the rotating shaft 51 at the front side of the fixing rod 5, so that the water inlet channel 52 in this embodiment can be communicated with the connecting channel 65, a plurality of water outlets communicated with the water inlet channel 52 are disposed on the fixing rod 5, and the water outlets in this embodiment are located on the shielding portion.

The specific implementation process is shown in fig. 1 and fig. 2:

initially, top cap 32 is in the open mode, and during the catheterization, the artifical dark ductus venosus 2 passes the installing port from the right side to the left with elder generation, after the pipeline of dark ductus venosus 2 implanted the human body, adopts first fixed unit to fix the pipe of dark ductus venosus 2 earlier, when fixed, places the pipe of dark ductus venosus 2 in the below of two left bars of bed course 1, then presses on the pipe with two bars alternately to adopt medical sticky tape to fix bed course 1 on skin.

The retaining box 3 is then slid so that the end of the deep intravenous catheter 2 enters the retaining box 3, and the top cover 32 is closed to close the top and right wall openings of the retaining box. Combine shown in fig. 3, then install fixed block 4 at the both ends of dead lever 5, and with double-sided adhesive sticker in the portion of pasting, and rotate dead lever 5 to the state that the portion of pasting is up, slide fixed block 4 backward in mounting groove 61 again, the fixed block 4 of rear side slides in the spacing inslot this moment, stopper 33 supports fixed block 4 of front side this moment, rotate pivot 51 again, rotate dead lever 5 to the state that the portion of pasting is down, paste the layer and paste on skin this moment, go into the holding tank 34 with dog 6 card at last, carry on spacingly to fixed block 4 through dog 6, because dead lever 5 is difficult to fall out from holding tank 34, so dead lever 5 fixes and can carry on spacingly to fixed box 3 behind skin.

When needs are changed pasting the layer, take out dog 6 earlier, and rotate dog 6 to recess 63 state up, then add alcohol in the recess 63 of dog 6 rear end, and with the outside pulling of piston rod 62, inhale in the water injection chamber 64 with alcohol, go into dog 6 card again in holding tank 34, pivot 51 slides in recess 63 this moment, inhalant canal 52 and interface channel 65 intercommunication, promote the piston to water injection chamber 64 in can making alcohol get into inhalant canal 52 this moment, alcohol flows from the apopore at last, moisten the cleaning layer, when pasting the viscidity on layer still stronger, increase the alcohol of infusing inhalant canal 52, unnecessary alcohol can carry out moist to pasting the layer, further reduce the viscidity of pasting the layer.

Finally, the stop block 6 and the fixing block 4 on the front side are taken out, the fixing rod 5 is replaced by the adhesive layer one by one, the fixing rod 5 is rotated anticlockwise firstly during replacement, the adhesive part is rotated to the upward position, the cleaning layer cleans and sterilizes the skin, and the sweat stain on the surface of the skin and the sticky variation of the double-sided adhesive tape caused by dead skin are avoided. And finally, the fixing rod 5 is slid in the accommodating groove 34 and can be taken out, and the cleaning layer and the adhesive layer can be replaced by tearing the cleaning layer and the adhesive layer after being taken out. When the fixing rods 5 are replaced one by one, after a certain fixing rod 5 is taken out, the adhesive layers on the other fixing rods 5 can still be fixed with the skin, and the fixing box 3 is prevented from shifting.

Example 2

On the basis of embodiment 1, as shown in fig. 5 and 6, the front and rear side walls and the bottom of the fixing case 3 in this embodiment are provided with a plurality of ventilation holes 31, so that when in use, the skin opposite to the fixing case 3 is prevented from generating stuffy feeling, which causes the skin to secrete a large amount of sweat, which causes the viscosity of the adhesive layer to be rapidly reduced. Still be equipped with seal cover 7 in the fixed box 3, both ends all are equipped with the opening about seal cover 7, and the left end of seal cover 7 splices in the left wall of fixed box 3, and the opening and the installing port of seal cover 7 left end are relative. When the fixing box 3 in the embodiment is used, the deep venous catheter 2 is arranged in the sealing sleeve 7, and an opening at the right end of the sealing sleeve 7 is folded and sealed through a medical adhesive tape. The sealing sleeve 7 in the embodiment can seal the deep venous catheter 2, so that the deep venous catheter 2 is prevented from being polluted by external stains.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A fixing device for deep vein catheterization which characterized in that: the fixing device comprises a first fixing unit and a second fixing unit, wherein the first fixing unit comprises a cushion layer, and Y-shaped strip seams are arranged on the cushion layer; the second fixing unit comprises a fixing box and a pasting assembly, an opening and an air hole are formed in the fixing box, an accommodating groove with a downward opening is formed in the bottom of the fixing box, the pasting assembly comprises two fixing blocks and a plurality of fixing rods, the two fixing blocks are detachably connected with the accommodating groove, the two fixing blocks are respectively located on two sides of each fixing rod, two ends of each fixing rod are respectively detachably connected with the two fixing blocks, the fixing rods can simultaneously rotate relative to the fixing blocks, and a pasting portion and a shielding portion are arranged on each fixing rod;

the shielding part is an arc-shaped surface, the sticking part is a plane, a water inlet channel is arranged in the fixing rod, and a plurality of water outlet holes communicated with the water inlet channel are formed in the shielding part; the water injection unit is arranged in the accommodating tank and comprises a stop block, a piston and a piston rod, the stop block is detachably connected with the side wall of the accommodating tank, a water injection cavity, a connecting channel, an L-shaped channel and a plurality of grooves are arranged in the stop block, the piston is in sliding seal with the side wall of the water injection cavity, the piston rod is fixed with the piston, the piston rod penetrates through the side wall of the water injection cavity and is in sliding connection with the stop block, the connecting channel extends along the length direction of the stop block and is simultaneously communicated with the grooves, and the L-shaped channel enables the connecting channel to be communicated with the water injection cavity; the grooves correspond to the fixing rods one to one, and the fixing rods are connected with the grooves in a sliding mode.

2. A securement device for a deep vein cannulation according to claim 1, wherein: the pasting part is detachably connected with a pasting layer.

3. A securement device for a deep vein cannulation according to claim 2, wherein: the shielding part is detachably connected with a cleaning layer.

4. A securement device for a deep vein cannulation according to claim 2, wherein: the fixed box is provided with a plurality of air holes.