CN110180074B - Hemodialysis vein catheterization fixed band - Google Patents
Hemodialysis vein catheterization fixed band Download PDFInfo
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- CN110180074B CN110180074B CN201910599712.2A CN201910599712A CN110180074B CN 110180074 B CN110180074 B CN 110180074B CN 201910599712 A CN201910599712 A CN 201910599712A CN 110180074 B CN110180074 B CN 110180074B
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- hemodialysis
- air bag
- fixing
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- 210000003462 vein Anatomy 0.000 title claims abstract description 29
- 238000001631 haemodialysis Methods 0.000 title claims abstract description 28
- 230000000322 hemodialysis Effects 0.000 title claims abstract description 28
- 230000000670 limiting effect Effects 0.000 claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000001990 intravenous administration Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 210000004204 blood vessel Anatomy 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 12
- 239000002390 adhesive tape Substances 0.000 description 6
- 238000000502 dialysis Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 208000009304 Acute Kidney Injury Diseases 0.000 description 1
- 241000252254 Catostomidae Species 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 208000033626 Renal failure acute Diseases 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 201000011040 acute kidney failure Diseases 0.000 description 1
- 208000012998 acute renal failure Diseases 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000020832 chronic kidney disease Diseases 0.000 description 1
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- 230000006378 damage Effects 0.000 description 1
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- 208000014674 injury Diseases 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M2025/0206—Holding devices, e.g. on the body where the catheter is secured by using devices worn by the patient, e.g. belts or harnesses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M2025/0253—Holding devices, e.g. on the body where the catheter is attached by straps, bands or the like secured by adhesives
Abstract
The invention discloses a hemodialysis venous catheter fixing band, and belongs to the technical field of venous catheter fixing devices. The invention comprises a fixing belt and at least one group of limiting pieces, wherein one end of each limiting piece is connected to the outer side surface of the fixing belt; one of the retaining members of the set is selectively connectable to an arterial catheter and the other of the set is selectively connectable to a venous catheter. The fixing belt is provided with a clasping mechanism and a tightening mechanism, and the clasping mechanism is positioned on two sides of the main catheter; the elastic mechanism comprises a sliding block which is connected to the outer side surface of the fixing band in a sliding mode, the sliding block is sleeved on the limiting part, when the limiting part is tensioned, the limiting part can pull the sliding block to slide and is abutted against the clamping mechanism, and therefore the clamping mechanism is abutted against the clamping main guide pipe. The invention has the advantages that the traction effect on the vein catheterization can be converted into the holding acting force on the main catheter, the movement of the vein catheterization is greatly limited, the vein catheterization is prevented from being unplanned to be separated from the blood vessel, the safety of the hemodialysis fixing band is optimized, and the pain of a patient is relieved.
Description
Technical Field
The invention relates to the technical field of vein catheterization fixing devices, in particular to a hemodialysis vein catheterization fixing band.
Background
Hemodialysis is a main method for treating acute and chronic renal failure, and a stable, reliable and safe blood vessel channel is the basic guarantee for smooth hemodialysis of a patient. A common practice in the prior art for establishing such vascular access is to place a hemodialysis venous catheter intravascularly in the patient's neck, with the end of the venous catheter extending outside the patient's body and the tail of the venous catheter having a "Y" shaped bifurcation, an arterial catheter port and a venous catheter port, respectively. At present, the traditional fixing method of a neck vein catheterization for hemodialysis is to wrap the outer side of a catheter by two sterile gauzes and fix the catheter on the ear of a patient by adhesive tapes so as to keep sterility, the length of the exposed part of the wrapped catheter is about 12-13 cm, the cannula and the skin entrance are often folded when the patient moves, so that the dialysis blood flow is not smooth, and the dialysis is not sufficient. In addition, through the fixed pipe of adhesive tape, the adhesive tape often drops because patient perspires or the head rotates, does not reach effectual fixed to too much use adhesive tape, probably arouses the allergy, leads to the skin reddening, damaged scheduling problem, because of the adhesive tape inelasticity, can tractive patient's ear, makes the activity inconvenient, to the female patient who stays long hair simultaneously, glues the hair on the adhesive tape easily, causes the tractive, arouses the pain, brings a great deal of puzzlement for patient's daily activity and sleep.
Therefore, Chinese patent 'CN 208927373U' provides a hemodialysis jugular vein catheterization fixed band, and it includes that neck fixed band, pipe hold the bag, ear string rope and magic subsides, and the medial extremity of neck fixed band one end is equipped with the hook face paster of magic subsides, and the outside of the neck fixed band other end is equipped with the matte paster of no less than two magic subsides, and the matte paster of each magic subsides is the interval setting, and open end one side that the pipe held the bag is fixed on the neck fixed band. The utility model discloses a certain beneficial effect does have, but nevertheless the existence is not enough at will: 1. the blood purification treatment needs to change the medicine for many times and insert and pull out the dialysis catheter for many times, so that the venous catheterization is inevitably pulled in the process, and the integral venous catheterization is easily dropped from the blood vessel; 2. even this scheme sheathes the pipe at the arteriovenous catheter and holds the bag, the patient inevitably can produce little effort tractive to vein catheterization when the activity, makes the patient painful, so for a long time, vein catheterization still can probably drop from the blood vessel.
Disclosure of Invention
Technical purpose
Aiming at the defects of the prior art, the invention provides a hemodialysis venous catheter fixing band, aiming at solving the problem that the existing hemodialysis venous catheter fixing band is easy to fall off from a blood vessel when in use.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme:
a hemodialysis vein catheterization fixing strap comprises a fixing strap used for winding a main catheter for fixing a vein catheterization, and the tail of the main catheter is branched into an arterial catheter and a venous catheter.
The hemodialysis venous catheter fixing band also comprises at least one group of limiting pieces, and one end of each limiting piece is connected to the outer side face of the fixing band; the number of the set of stoppers is two, one of the stoppers can be selectively connected to the arterial catheter, and the other stopper can be selectively connected to the venous catheter. When the fixed band winding is fixed at the patient neck, the locating part is connected respectively on arterial catheter and ductus venosus this moment, play limiting displacement to whole ductus venosus, specifically, when medical personnel plug dialysis catheter when carrying out hemodialysis operation, can make the ductus venosus draw or shift (the other movable condition of ductus venosus no longer has repeated) appear in the blood vessel, then the ductus venosus has the tendency of deviating from in following the blood vessel, the locating part can give the holistic restriction of ductus venosus this moment, prevent that it from deviating from. It should be noted that each group of limiting pieces can be respectively connected to the arterial catheter and the venous catheter in a bilateral symmetry manner, so that the limiting effect on the whole venous catheterization is uniformly distributed; in addition, the invention can be used not only in neck hemodialysis, but also in arm and peritoneal hemodialysis treatment, and only the size of the fixing band needs to be adaptively modified.
The outer side surface of the fixing belt is provided with a tightening mechanism for adjusting the tensioning degree of the limiting pieces, and the tightening mechanism corresponds to the limiting pieces one by one; the fixing belt is provided with clasping mechanisms which correspond to the tightening mechanisms one by one, and the clasping mechanisms are positioned on two sides of the main catheter; the elasticity mechanism includes sliding connection in the slider of fixed band lateral surface, and the slider cover is located the locating part, when the locating part tensioning, the locating part can stimulate the slider and slide and support and press and hold the mechanism tightly for hold the mechanism tightly and support and press and hold the main duct.
When the elastic fixing device is used, the fixing band is firstly wound and fixed on the neck and other parts, the limiting piece is connected to the arterial catheter and the venous catheter, and the tensioning degree of the limiting piece is adjusted through the elastic mechanism, specifically, the length of the limiting piece is adjusted to enable a patient to feel the most comfortable. The sliding block is connected with the sliding groove on the outer side surface of the fixing belt in a sliding mode, the tensioning degree of the limiting piece can influence whether the sliding block abuts against the clamping mechanism or not, generally, the sliding block and the clamping mechanism need to abut against each other, clamping can be achieved timely when the intravenous catheter moves, and accidents are avoided; but the slider and the clasping mechanism have a clearance, namely a sliding distance, so that a larger moving space can be reserved for a patient, and the patient can feel more comfortable.
It should be noted that, because the arterial catheter and the venous catheter need to be frequently inserted and extracted, the catheters are made of hard materials, and therefore can bear the connection pulling action of the limiting piece.
In this scheme, when the vein catheterization received the tractive effect, through the effort transmission of above-mentioned process, finally turn into the pulling force to the effort of holding tightly of main catheter, generally speaking, the tractive effect that the vein catheterization received is more obvious, and the fixed band is bigger to the effort of holding tightly of vein catheterization to restricted the activity of vein catheterization to a certain extent, avoided it to deviate from in the blood vessel, alleviateed patient's misery.
Further, the locating part is connected the one end of vein catheterization is equipped with spacing portion, and spacing portion includes the connecting block and locates the hasp on the connecting block, and the hasp includes the discount and opens and shuts the portion, and the discount is the annular and leaves the breach for the one end that is close to the connecting block, and the portion of opening and shutting articulates in the connecting block, can realize the closure and the opening of breach through pulling the portion of opening and shutting. The limiting part can be more conveniently connected with the arterial catheter and the venous catheter through the locking structure. Of course, the stop portion may be other structures, such as a collar, clip, etc.
Furthermore, the tightening mechanism also comprises a limiting rod hinged to the sliding block, and the bottom of the limiting rod is provided with a limiting lug; the limiting part is provided with a plurality of limiting holes, and the limiting lugs can be selectively clamped into different limiting holes so as to adjust the tensioning degree of the limiting part. The limiting part can be pulled in the sliding block, the limiting lug is clamped into the limiting hole, the relative position of the limiting lug and the limiting part cannot be changed, and at the moment, if the vein catheterization drives the limiting part to move, the limiting part can only drive the sliding block to move in the sliding groove. When the vein catheterization pipe moves outwards from the blood vessel, the sliding block moves towards the holding mechanism. It should be noted that the tightening mechanism may also adopt other structures, such as a buckle plate, a buckle, etc. with a through hole capable of passing through the stopper.
Furthermore, the clasping mechanism comprises a first air bag and a second air bag, the first air bag is positioned on the outer side surface of the fixing band, the second air bag is positioned on the inner side surface of the fixing band, and the first air bag is communicated with the second air bag through a pipeline; when the sliding block slides and is pressed against the first air bag, the gas in the first air bag can be introduced into the second air bag, so that the second air bag is expanded to hold the main conduit tightly. The air bag can absorb the acting force pressed on the main catheter, so that the acting force transmitted to the patient is as small as possible; meanwhile, the air bag has good adaptability, can be better contacted with the main catheter, the fixing belt and the skin of a human body, increases the contact area and further reduces the traction feeling.
Furthermore, the clasping mechanism is a sponge block which is communicated with and protrudes out of the inner side surface and the outer side surface of the fixing band, and when the sliding block slides and presses against the sponge block, the part of the sponge block, which is positioned on the inner side of the fixing band, can clasp the main catheter. The sponge block is made of a flexible material and can absorb the acting force pressed on the main catheter, so that the acting force transmitted to the patient is as small as possible.
Further, the fixed band lateral surface is in it accomodates the bag to be equipped with the pipe between the mechanism to hold tightly, and the bag is accomodate to the pipe is used for covering and establishes arterial pipe and venous catheter mainly play the guard action to arterial pipe and venous catheter, also can play certain limiting displacement.
Furthermore, at least one sucker is arranged on the outer side surface of the fixing band. When the fixing device is used, the sucker can be adsorbed on the body of a patient, a better limiting effect is achieved on the fixing band, and looseness of the fixing band is avoided.
Furthermore, the fixing band is an inner-outer double-layer mechanism, the inner side of the fixing band is a moisture absorption layer, and the outer layer of the fixing band is a heat dissipation layer. When the fixed band is worn for a long time, too much sweat is easily produced at the contact position of the patient's body and fixed band, and the patient can feel uncomfortable, and skin is in the damp and hot state for a long time, can produce the injury to skin.
Furthermore, the moisture absorption layer is made of sponge; the heat dissipation layer is made of carbon fiber gauze. The sponge is in direct contact with the skin, is soft and can play a good sweat absorption effect, and the skin is prevented from being in a damp and hot state; the carbon fiber gauze dissipates the heat, and the comfort of the patient is improved. It should be noted that, because there are many moisture absorbing materials and heat dissipating materials, the present invention will not be described in detail, but other materials are still within the scope of the present invention.
Further, the fixing band both ends are equipped with the connecting piece that is used for connecting its both ends, are convenient for realize the winding fixed, and the connecting piece can be for magic subsides, couple etc..
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that: the traction effect that can receive with the vein catheterization turns into the effort of holding tightly to main catheter, has greatly restricted the activity of vein catheterization, avoids it to deviate from in the blood vessel on-plan, has optimized the security of hemodialysis fixed band, has alleviateed patient's misery.
Drawings
FIG. 1 is a front view of embodiment 1 of the present invention;
FIG. 2 is a rear view of embodiment 1 of the present invention;
FIG. 3 is a front view of the stop portion of FIG. 1;
FIG. 4 is a front view of the take-up mechanism of FIG. 1;
FIG. 5 is a front view showing the manner in which a catheter accommodation bag is provided in embodiment 1 of the present invention;
FIG. 6 is a front view of embodiment 2 of the present invention;
FIG. 7 is a rear view of embodiment 2 of the present invention;
fig. 8 is a sectional view of a fixing band in embodiment 2 of the invention;
description of reference numerals: 11-a main conduit; 12-an arterial catheter; 13-a venous catheter; 2, fixing the belt; 21-moisture absorbing layer; 22-a heat dissipation layer; 3-a limiting part; 31-a limiting part; 31 a-connecting block; 31 b-a buckle; 31 c-an open-close section; 32-a limiting hole; 4-a tightening mechanism; 41-a slide block; 42-a limiting rod; 43-a limit bump; 5, a holding mechanism; 51-a first balloon; 52-a second balloon; 53-sponge block; 6-catheter storage bag; 7-suction cup.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The terms "first," "second," "a," and "b," etc. are used merely to distinguish one description from another, and are not intended to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 to 5, a hemodialysis venous catheter fixing band comprises a fixing band 2 for winding a main catheter 11 for fixing a venous catheter and a group of limit bands 3, wherein the tail part of the main catheter 1 is branched into an arterial catheter 12 and a venous catheter 13; a group of limiting belts 3 are symmetrically arranged at two sides of the main catheter 11, and one end of each limiting belt 3 is connected to the outer side surface of the fixing belt 2; one of the stop bands 3 is selectively attachable to the arterial catheter 12 and the other stop band 3 is selectively attachable to the venous catheter 13. It should be noted that the limiting member 3 may also adopt other structural forms, such as a chain, and these structural forms are also within the protection scope of the present invention.
The outer side surface of the fixing belt 2 is provided with a tightening mechanism 4 for adjusting the tensioning degree of the limiting belt 3, and the tightening mechanism 4 corresponds to the limiting belt 3 one by one; the fixing belt 2 is provided with clasping mechanisms 5 which correspond to the elastic mechanisms 4 one by one, and the clasping mechanisms 5 are positioned at two sides of the main catheter 11; the tightening mechanism 4 comprises a sliding block 41 which is connected to the outer side surface of the fixing belt 2 in a sliding mode, the sliding block 41 is sleeved on the limiting belt 3, when the limiting belt 3 is tensioned, the limiting belt 3 can pull the sliding block 41 to slide and abut against the clasping mechanism 5, and therefore the clasping mechanism 5 abuts against the clasping main guide pipe 11. The tightening mechanism 4 further comprises a limiting rod 42 hinged to the sliding block 41, and a limiting lug 43 is arranged at the bottom of the limiting rod 42; the limiting belt 3 is provided with a plurality of limiting holes 32, and the limiting lugs 43 can be selectively clamped into different limiting holes 32 so as to adjust the tensioning degree of the limiting belt 3.
The clasping mechanism 5 comprises a first air bag 51 and a second air bag 52, the first air bag 51 is positioned on the outer side surface of the fixing belt 3, the second air bag 52 is positioned on the inner side surface of the fixing belt 2, and the first air bag 51 is communicated with the second air bag 52; when the slider 41 slides and presses against the first air bag 51, the gas in the first air bag 51 can pass into the second air bag 52, so that the second air bag 52 is expanded to hug the main duct 11.
Two suckers 7 are arranged on the outer side surface of the fixing belt 2; the connecting piece that is used for connecting its both ends is equipped with at 2 both ends of fixed band, and in this embodiment, the preferred magic subsides of connecting piece, and the connecting piece can also adopt other structures certainly, no longer gives unnecessary details.
Referring to fig. 5, the present embodiment is further modified in that a catheter storage bag 6 is disposed on the outer side surface of the fastening band 2 between the clasping mechanisms 5, and the catheter storage bag 6 is used for covering an arterial catheter 12 and a venous catheter 13. Optionally, in this embodiment, the catheter storage bag 6 may be arranged according to the structure in chinese patent "CN 208927373U", and the top of the catheter storage bag 6 is provided with a hanging rope 61; specifically, the catheter storage bag 6 is turned over to the upper sides of the arterial catheter 12 and the venous catheter 13 and is sleeved outside the arterial catheter 12 and the venous catheter 13 to achieve a protection function.
When the fixing band is used, the fixing band 2 is firstly wound and fixed on the neck and other parts, the lock catch is connected on the arterial catheter 12 and the venous catheter 13, and then the fixing band is selectively clamped into different limiting holes 32 through the limiting lug 43 so as to adjust the tensioning degree of the limiting band 3, namely the length of the limiting band 3 is suitable for the activity space of the neck of a patient. When the dialysis catheter is plugged and pulled or the patient moves to cause the vein catheterization to be pulled and displaced, the two connecting pieces 3 have a limiting effect on the whole vein catheterization, so that the vein catheterization is prevented from falling out of the blood vessel; even if the venous indwelling catheter moves upwards to drive the connecting piece 3, the connecting piece 3 drives the sliding block 41 to press against the first air bag 51, and the gas in the first air bag 51 can be introduced into the second air bag 52, so that the second air bag 52 is expanded to hold the main catheter 11 tightly.
Example 2
This embodiment only illustrates the differences from the previous embodiments, and the same contents are not repeated.
Referring to fig. 6 to 8, a hemodialysis intravenous catheter fixing band, the clasping mechanism 5 is a sponge block 53, the sponge block 53 penetrates and protrudes out of the inner side and the outer side of the fixing band 2, when the sliding block 41 slides and presses against the sponge block 53, the part of the sponge block 53 positioned at the inner side of the fixing band 2 can clasp the main catheter 1.
The fixing belt 2 is an inner-outer double-layer mechanism, the inner side is a moisture absorption layer 21, and the outer layer is a heat dissipation layer 22; in this embodiment, a further improvement is that the moisture absorption layer 21 is made of sponge, and the heat dissipation layer 22 is made of carbon fiber gauze.
When the venous indwelling catheter is used, when the venous indwelling catheter is pulled and displaced due to plugging and unplugging of a dialysis catheter or movement of a patient, the two connecting pieces 3 have a limiting effect on the whole venous indwelling catheter, and the venous indwelling catheter is prevented from falling out of a blood vessel; even if the vein catheterization shifts up and drives the connecting piece 3, the connecting piece 3 can drive the slider 41 to press the sponge block 53, because the sponge block 53 link up and protrude in the inboard and outboard surface of the fixed band 2, the sponge block 3 can be forced to lean on and hold the main catheter 11 tightly gradually.
Claims (8)
1. A hemodialysis vein catheterization fixing strap comprises a fixing strap (2) used for winding a main catheter (11) for fixing a vein catheterization, wherein the tail part of the main catheter (11) is branched into an arterial catheter (12) and a venous catheter (13); the method is characterized in that: also comprises
One end of the limiting piece (3) is connected to the outer side face of the fixing belt (2); the number of the retaining members (3) is two, one of the retaining members is connected to the arterial catheter (12), and the other retaining member is connected to the venous catheter (13);
the outer side surface of the fixing belt (2) is provided with a loosening and tightening mechanism (4) for adjusting the tightening degree of the limiting pieces (3), and the loosening and tightening mechanism (4) corresponds to the limiting pieces (3) one by one; the fixing belt (2) is provided with clasping mechanisms (5) which correspond to the tightening mechanisms (4) one by one, and the clasping mechanisms (5) are positioned on two sides of the main catheter (11); the tightening mechanism (4) comprises a sliding block (41) which is connected to the outer side surface of the fixing belt (2) in a sliding mode, the sliding block (41) is sleeved on the limiting piece (3), and when the limiting piece (3) is tensioned, the limiting piece (3) can pull the sliding block (41) to slide and abut against the clasping mechanism (5), so that the clasping mechanism (5) abuts against and clasps the main guide pipe (11);
the clasping mechanism (5) comprises a first air bag (51) and a second air bag (52), the first air bag (51) is positioned on the outer side surface of the fixing belt (2), the second air bag (52) is positioned on the inner side surface of the fixing belt (2), and the first air bag (51) is communicated with the second air bag (52); when the sliding block (41) slides and presses against the first air bag (51), the gas in the first air bag (51) can be introduced into the second air bag (52), so that the second air bag (52) is expanded to hold the main conduit (11).
2. The hemodialysis intravenous set fixation strap of claim 1, wherein: locating part (3) are connected the one end of vein catheterization is equipped with spacing portion (31), and spacing portion (31) include connecting block (31 a) and locate the hasp on connecting block (31 a), and the hasp includes discount (31 b) and opens and shuts portion (31 c), and discount (31 b) are the annular and leave the breach for the one end that is close to connecting block (31 a), and portion (31 c) that opens and shuts articulates in connecting block (31 a), can realize the closure and the opening of breach through pulling portion (31 c) that opens and shuts.
3. The hemodialysis intravenous set fixation strap of claim 1, wherein: the tightening mechanism (4) further comprises a limiting rod (42) hinged to the sliding block (41), and a limiting bump (43) is arranged at the bottom of the limiting rod (42); the limiting piece (3) is provided with a plurality of limiting holes (32), and the limiting lug (43) can be selectively clamped into different limiting holes (32) so as to adjust the tensioning degree of the limiting piece (3).
4. The hemodialysis intravenous set fixation strap of claim 1, wherein: the outer side face of the fixing band (2) is provided with a catheter containing bag (6) between the clasping mechanisms (5), and the catheter containing bag (6) is used for covering the arterial catheter (12) and the venous catheter (13).
5. The hemodialysis intravenous set fixation strap of claim 1, wherein: at least one sucker (7) is arranged on the outer lateral surface of the fixing band (2).
6. The hemodialysis intravenous set fixation strap of claim 1, wherein: the fixing belt (2) is an inner-outer double-layer mechanism, the inner side is a moisture absorption layer (21), and the outer layer is a heat dissipation layer (22).
7. The hemodialysis intravenous set fixation strap of claim 6, wherein: the moisture absorption layer (21) is made of sponge; the heat dissipation layer (22) is made of carbon fiber gauze.
8. The hemodialysis intravenous set fixation strap of claim 1, wherein: and connecting pieces used for connecting the two ends of the fixing belt (2) are arranged at the two ends of the fixing belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910599712.2A CN110180074B (en) | 2019-07-04 | 2019-07-04 | Hemodialysis vein catheterization fixed band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910599712.2A CN110180074B (en) | 2019-07-04 | 2019-07-04 | Hemodialysis vein catheterization fixed band |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110180074A CN110180074A (en) | 2019-08-30 |
| CN110180074B true CN110180074B (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910599712.2A Active CN110180074B (en) | 2019-07-04 | 2019-07-04 | Hemodialysis vein catheterization fixed band |
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| US11607527B2 (en) * | 2019-11-12 | 2023-03-21 | Gus Gear, Inc. | Apparatus and methods for securing medical tubes on patients |
| CN112451759B (en) * | 2020-11-24 | 2023-04-28 | 四川大学华西医院 | PICC pipe booster unit |
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