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65 results about "Hemodialysis Catheter" patented technology
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A hollow tube that is inserted into a large vein to carry blood to and from a dialysis machine.
Reduction of recirculation in catheters
InactiveUS20060004316A1Decrease outflow velocity of fluidPrevent sprayingMedical devicesCatheterDistal portionNose
A catheter tip designed to reduce the outflow velocity and / or directional momentum of fluid being infused by a catheter having such a tip. In one variation, a plurality of channels is provided at the distal portion of the catheter to increase the outflow cross-sectional area. In another variation, the diameter of the catheter at its distal portion where the fluid exits is increased. In yet another variation, a bullet-shaped nose is implemented which may decrease turbulence at the distal end of catheter tip. The low velocity outflow catheter tip may also be implemented on a dual lumen catheter, such as a hemodialysis catheter, to reduce recirculation rate. Various device configurations and methods for such implementations are also disclosed.
Owner:CR BARD INC
Acute hemodialysis catheter assembly
A medical catheter includes an elongate catheter member defining a longitudinal axis, and a transverse axis transverse to the longitudinal axis, and having a proximal end and a distal end. The elongate catheter member includes an outer member and at least one longitudinal lumen within the outer member for passage of fluids. The outer member has an elongate opening therethrough in communication with the at least one longitudinal lumen and being spaced from the distal end and bound by wall portions of the outer member. The elongate opening permits fluids to pass between the at least one longitudinal lumen and locations external to the elongate catheter member, and defines a transverse dimension increasing from proximal to distal.
Owner:MOZARC MEDICAL US LLC
Valved Hemodialysis Catheter
A dialysis catheter includes an elongate catheter member having an outer wall member defining proximal and distal end regions and a longitudinal axis, and defining first and second longitudinal lumens. The outer member includes first and second ports in respective fluid communication with the first and second longitudinal lumens. The first opening and the first lumen define an inflow passage for removal of blood under vacuum for circulation within a hemodialysis machine. The second opening and the second longitudinal lumen define an outflow passage for return of the blood from the hemodialysis machine. A valve is disposed relative to the outer member proximal of the first port. The valve is adapted to move from a closed position to an open position in response to a predetermined vacuum pressure level realized within the first longitudinal lumen to permit flow of blood through the valve and into the first longitudinal lumen. The valve may be adapted to move to the open position in the event of an at least partial luminal occlusion within the first longitudinal lumen at locations distal of the valve.
Owner:MOZARC MEDICAL US LLC
Convertible multi-lumen catheter
InactiveUS20050055012A1Minimize infection riskRigid enoughMulti-lumen catheterMedical devicesVeinHaemodialysis machine
A convertible multi-lumen catheter that may be used for hemodialysis or other indications involving infusion and / or withdrawal of fluids from the body. Unlike existing catheters having a set number of lumens which may limit their utility as both short and long-term venous vascular devices, the catheter of the invention allows one or more additional lumens during the acute phase of catheter use with removal of these lumens (i.e. conversion) for more permanent use. A typical example of this would be a triple lumen device for hemodialysis and antibiotic therapy during an acute infection with conversion to a chronic dual lumen hemodialysis catheter after successful treatment of the infection. The lumen is permanently or semi-permanently blocked using a biocompatible plastic obturator that is inserted into the unused lumen and locked and / or glued into place.
Owner:THE TRUSTEES OF THE UNIV OF PENNSYLVANIA
Hemodialysis catheter apparatus
A catheter apparatus is provided for reducing blood clotting in connection with hemodialysis treatment. The catheter apparatus can comprise a first conduit defining an arterial lumen and a second conduit defining a venous lumen. Large staggered apertures can be provided in side walls of the conduits with at least one of the apertures having a cross-sectional area equal or greater than a cross-sectional area of one of the lumens. The catheter apparatus can further include first and second removable obturators adapted for axial insertion into the conduits and for occluding the apertures while so inserted. Advantageously, the obturators can wipe the apertures during removal, causing blood clots incident on the apertures to be dislodged from the apertures. Related methods for using the catheter apparatus in performing hemodialysis treatment are also provided.
Owner:INTERVENTION INNOVATIONS
Reduction of recirculation in catheters
ActiveUS8920404B2Reduce the average velocityPrevent sprayingMedical devicesCatheterDistal portionNose
A catheter tip designed to reduce the outflow velocity and / or directional momentum of fluid being infused by a catheter having such a tip. In one variation, a plurality of channels is provided at the distal portion of the catheter to increase the outflow cross-sectional area. In another variation, the diameter of the catheter at its distal portion where the fluid exits is increased. In yet another variation, a bullet-shaped nose is implemented which may decrease turbulence at the distal end of catheter tip. The low velocity outflow catheter tip may also be implemented on a dual lumen catheter, such as a hemodialysis catheter, to reduce recirculation rate. Various device configurations and methods for such implementations are also disclosed.
Owner:CR BARD INC
Valved hemodialysis catheter
Owner:MOZARC MEDICAL US LLC
Medical appliance securing device and method of using the same
Owner:M C JOHNSON
Disposable shower guard for renal access catheter
A hemodialysis catheter, also know as a renal dialysis access catheter penetrates a patients skin at an entrance site which is protected by associated bandaging, all of which needs to be protected from water when the patient takes a shower. The single use, disposable shower guard surrounds and encloses the catheter, the entrance site and the associated protective bandaging. A generally rectangular cutout in the guard is sized and oriented to surround the protective bandaging and leave a margin between the edge of the cutout and the protective bandaging so that the bandaging will not be disturbed when the guard is removed.
Owner:MCCULLOCH JAMES S
Method and apparatus for the dialysis of blood
ActiveUS20130046224A1Good removal effectEasy to manufactureMulti-lumen catheterDialysis systemsPlasma viscosityHemodialysis Catheter
Apparatus for use in dialyzing a patient comprising a hemodialysis catheter comprising an elongated body having a proximal and a distal end, wherein the distal end terminates in a substantially planar distal end surface; first and second lumens extending from the proximal end to the distal end, wherein the lumens terminate on the distal end surface in first and second mouths, arranged in side-by-side configuration, and further wherein the lumens are separated by a septum; and first and second longitudinal slots formed in the distal end of the elongated body and communicating with the interiors of the lumens, the slots opening on the distal end surface; wherein the slots each have a length and a width, relative to the dimensions of the lumens and the rate of blood flow to be passed through the hemodialysis catheter, so as to minimize undesirable recirculation of dialyzed blood.
Owner:MEDICAL COMPONENTS INC
Hemodialysis catheter apparatus
A catheter apparatus is provided for reducing blood clotting in connection with hemodialysis treatment. The catheter apparatus can comprise a first conduit defining an arterial lumen and a second conduit defining a venous lumen. Large staggered apertures can be provided in side walls of the conduits with at least one of the apertures having a cross-sectional area equal or greater than a cross-sectional area of one of the lumens. The catheter apparatus can further include first and second removable obturators adapted for axial insertion into the conduits and for occluding the apertures while so inserted. Advantageously, the obturators can wipe the apertures during removal, causing blood clots incident on the apertures to be dislodged from the apertures. Related methods for using the catheter apparatus in performing hemodialysis treatment are also provided.
Owner:INTERVENTION INNOVATIONS
Acute hemodialysis catheter assembly
ActiveUS9168355B2Multi-lumen catheterOther blood circulation devicesTransverse axisTransverse dimension
A medical catheter includes an elongate catheter member defining a longitudinal axis, and a transverse axis transverse to the longitudinal axis, and having a proximal end and a distal end. The elongate catheter member includes an outer member and at least one longitudinal lumen within the outer member for passage of fluids. The outer member has an elongate opening therethrough in communication with the at least one longitudinal lumen and being spaced from the distal end and bound by wall portions of the outer member. The elongate opening permits fluids to pass between the at least one longitudinal lumen and locations external to the elongate catheter member, and defines a transverse dimension increasing from proximal to distal.
Owner:MOZARC MEDICAL US LLC
Hemodialysis catheter assembly
ActiveUS8926571B1Avoid flowSufficient forceInfusion syringesCatheterHemodialysis accessGrommet Insertion
A hemodialysis catheter assembly with a flexible catheter lead that can control blood flow at a hemodialysis access site even under high blood pressures encountered at such sites. Flexible tubing extends through the hollow interior of a housing having opposite, open ends. The assembly includes components to alternately occlude or not occlude the lumen of the flexible tubing. In a first embodiment, spring clips press against the tubing, but insertion of a hollow sleeve into the lumen thereof retracts the clips and provides a flow path. In a second embodiment, a pinch bar can be manually moved into and out of engagement with the flexible tubing to occlude or open a flow path. In a third embodiment, the housing has a screw cap. A spring-loaded pinch bar presses against, and occludes the lumen of, the collapsible tubing when the screw cap is screwed into a threaded cutout in the housing, and provides a flow path through the tubing when the screw cap is removed. In a fourth embodiment, the tang portion of a tongue when in an extended position presses against, and occludes the lumen of, the compressible tubing; advancement of a capture ring attached to a sliding button retracts the tang portion and opens a flow path.
Owner:DIALYSFLEX
Dual-tip hemodialysis catheter
A dual tip dialysis catheter has a proximal portion with connected lumens and a distal portion with diverging lumens. The lumens may separate at a split junction and diverge in a scissors like manner to reduce or eliminate a crack or gap adjacent to the split junction, thereby reducing clotting. A dual tip dialysis catheter may have forward openings configured to direct flow in opposite directions.
Owner:PRISTINE ACCESS TECH LTD
Reduction of Recirculation in Catheters
ActiveUS20120089115A1Reduce the average velocityPrevent sprayingMedical devicesCatheterDistal portionHemodialysis Catheter
A catheter tip designed to reduce the outflow velocity and / or directional momentum of fluid being infused by a catheter having such a tip. In one variation, a plurality of channels is provided at the distal portion of the catheter to increase the outflow cross-sectional area. In another variation, the diameter of the catheter at its distal portion where the fluid exits is increased. In yet another variation, a bullet-shaped nose is implemented which may decrease turbulence at the distal end of catheter tip. The low velocity outflow catheter tip may also be implemented on a dual lumen catheter, such as a hemodialysis catheter, to reduce recirculation rate. Various device configurations and methods for such implementations are also disclosed.
Owner:CR BARD INC
Child hemodialysis catheter fixing device
The invention relates to a child hemodialysis catheter fixing device which comprises a fixing device, a positioning device and a bending device. The front end of the fixing device is provided with thepositioning device, and the rear end of the fixing device is equipped with the bending device. The fixing device can solve the problem that a catheter is usually attached to the arm of a child by anadhesive tape when the child has hemodialysis, the child is active, the adhesive tape is prone to fall off during the infusion, which affects the fixing of the catheter; when the catheter is connectedwith a liquid medicine bag hung above, the catheter may be bent, the catheter at the bending part may be flattened when the bending angle is too small, which leads to infusion blockage. The fixing device has the advantage that the hemodialysis catheter is fixed and tied to the arm of the child, the looseness is checked constantly during the infusion process, the catheter is not prone to fall off,the bending position and radian are controlled, and the inflation blocking is avoided.
Owner:QILU CHILDRENS HOSPITAL OF SHANDONG UNIV
Method and apparatus for the dialysis of blood
ActiveUS9044573B2Minimize the aforementioned undesirable recirculation of dialyzed bloodMinimize the possibilityMulti-lumen catheterOther blood circulation devicesDialysis patientsPlasma viscosity
Apparatus for use in dialyzing a patient comprising a hemodialysis catheter comprising an elongated body having a proximal and a distal end, wherein the distal end terminates in a substantially planar distal end surface; first and second lumens extending from the proximal end to the distal end, wherein the lumens terminate on the distal end surface in first and second mouths, arranged in side-by-side configuration, and further wherein the lumens are separated by a septum; and first and second longitudinal slots formed in the distal end of the elongated body and communicating with the interiors of the lumens, the slots opening on the distal end surface; wherein the slots each have a length and a width, relative to the dimensions of the lumens and the rate of blood flow to be passed through the hemodialysis catheter, so as to minimize undesirable recirculation of dialyzed blood.
Owner:MEDICAL COMPONENTS INC
Inflatable fixing bracket for hemodialysis catheter of nephrology department
InactiveCN109125831ATo achieve the effect of inflatingAchieve a fixed effectDialysis systemsCatheterHaemodialysis machineAir pump
The invention discloses an inflatable fixing bracket for a hemodialysis catheter of nephrology department, comprising a fixing plate, an air pump is fixedly connected to the right side of the bottom of the inner cavity of the fixing plate, an air inlet pipe of the air pump penetrates the fixing plate and extends to the outside of the fixing plate, and an air outlet pipe of the air pump is communicated with a connecting pipe. The air pump, C-type airbag, the second inflatable tube and the inflatable cushion are arranged, the fixation effect of the arm of the patient is achieved, through the fixture. Threaded holes, lifting plates, threaded shank and fixing block are arranged, the invention achieves the effect that the device is convenient for medical personnel to fix the device on the bed board. As a result, the problem that the sleeping, sitting up and involuntary movement of the patient during the dialysis process can easily lead to the falling off of the dialysis tube, the needle iseasily displaced to cause the phenomenon of puncturing blood vessels, and the normal hemodialysis is affected, which not only causes pain to the patient, but also may cause other unpredictable results, and at the same time, increases the working difficulty of the medical personnel.
Owner:邓磊
Disposable hemodialysis nursing bag
InactiveCN102247629AReduce workloadTime-consuming and labor-intensive solutionDialysis systemsEthylene Oxide SterilizationHaemodialysis machine
The invention provides a disposable hemodialysis nursing bag, which consists of a hemodialysis catheter log-in disposal nursing bag, a hemodialysis catheter log-out disposal nursing bag and an internal fistula puncture nursing bag, wherein the hemodialysis catheter log-in disposal nursing bag and the hemodialysis catheter log-out disposal nursing bag are formed by combining a disposable bed patch pocket, rubber gloves, non-woven fabric treatment towels, iodophor gauze, alcohol gauze, alcohol cotton balls, sterile gauze, needle cylinders, sterile paste, adhesive tapes, catheter caps, disposable treatment discs and an external packaging bag; the internal fistula puncture nursing bag is formed by combining a disposable bed patch pocket, a non-woven fabric treatment towel, rubber gloves, iodophor cotton swabs, dried cotton balls, sterile paste, adhesive tapes, disposable treatment discs and an external packaging bag; and the objects in the three nursing bags are stacked in the respective external packaging bags, are sealed integrally and are sterilized by ethylene oxide. In the disposable hemodialysis nursing bag, all objects are sterilized integrally and can be used while being torn, so that the sterile state in the operating process is ensured, and the chance of cross inflection is reduced; and the objects are not needed to be disinfected independently periodically, so labor and material resources are saved, the using cost is reduced, and the disposable hemodialysis nursing bag is easy, convenient and safe to operate.
Owner:ZHEJIANG UNIV
Disposable hemodialysis care package
InactiveCN105662675AReduce workloadThe placement is clearDialysis systemsMedical devicesHemodialysis careOnline processing
The invention discloses a disposable hemodialysis nursing kit, which comprises a box body and a box cover. The inside of the box body is divided into an on-machine treatment and nursing area for hemodialysis catheters, an off-machine treatment and nursing area for hemodialysis catheters, and an internal fistula through partitions. In the puncture nursing area, a disposable bed patch bag, three rubber gloves, a piece of non-woven treatment towel, a piece of iodophor gauze, a piece of alcohol gauze and four alcohol cotton balls, two A pair of 5ml syringes, a piece of sterile gauze, a piece of sterile applicator, a piece of adhesive tape, two disposable treatment trays, and an outer packaging bag. The items except the packaging bag are stacked in the outer packaging bag from top to bottom Inside. The invention has simple structure, very fast and convenient use, can ensure the aseptic state in the operation process, and greatly reduces the chance of cross-infection.
Owner:JINLIN MEDICAL COLLEGE
Hemodialysis catheter with improved side opening design
A hemodialysis catheter is provided which includes a catheter body having a proximal and a distal end and defining at least one lumen. The at least one lumen includes a distal opening and a side opening formed through a sidewall of the catheter body. The side opening communicates with the at least one lumen, and includes guiding structure positioned adjacent a distal side of the side opening configured to smoothly redirect blood flow into the at least one lumen. The guiding structure may be defined by a raised wall, or in the alternative, an angled distal wall of the side opening.
Owner:TYCO HEALTHCARE GRP LP
Method and apparatus for the dialysis of blood
ActiveUS20160114093A1Minimize the aforementioned undesirable recirculation of dialyzed bloodMinimize the possibilityMulti-lumen catheterOther blood circulation devicesEngineeringBiomedical engineering
Owner:MEDICAL COMPONENTS INC
Subcutaneously implanted type hemodialysis catheter
The invention discloses a subcutaneously implanted type hemodialysis catheter. The subcutaneously implanted type hemodialysis catheter comprises a catheter body and an implanting base, wherein the catheter body is provided with two independent channels; the upper end face of the implanting base is downwardly concave to form two independent cavities, a separation wall is arranged between the two cavities, a diaphragm which can be punctured covers the cavities, an outwardly-protruding catheter connecting column is arranged on one side of the bottom of the implanting base and provided with two independent channels inside, the two channels of the catheter connecting column are respectively communicated with the two cavities of in the implanting base, the catheter body is detachably connected with the catheter connecting column, and fixing rings are further arranged on the outer side of the implanting base. The subcutaneously implanted type hemodialysis catheter is long in service life, less prone to infection and capable of preventing the catheter from being exposed on the surface of the skin.
Owner:周峻
Point molding method for full silica gel hemodialysis catheter
The invention provides a point molding method for a full silica gel hemodialysis catheter. The point molding method comprises the following steps that firstly, the silica gel catheter is placed in an airtight container provided with a placement valve allowing liquid nitrogen to be placed, a release valve for releasing the liquid nitrogen and a turnover door allowing entering and going-out of the silicone rubber catheter; secondly, the liquid nitrogen is poured into the airtight container to enable the liquid nitrogen to immerse the silica gel catheter, soaking is conducted for at least one minute, and the silica gel catheter is hardened through cooling of the liquid nitrogen; and thirdly, the liquid nitrogen in the airtight container is quickly released, then the hardened silica gel catheter is taken out from the airtight container, and the hardened silica gel catheter is immediately machined into a silica gel catheter with a point through a chamfering machine. Using the low-temperature freezing effect of the liquid nitrogen, the temperature of a silica gel material reaches -100 DEG C, the silica gel material is hardened, then the hardened silica gel catheter is quickly taken out to be machined , the machined appearance and size are greatly improved, namely, the machining surface is further relatively smooth, and the size is stable.
Owner:佛山特种医用导管有限责任公司
Fixing device for catheter used in hemodialysis of child
The invention relates to the technical field of hemodialysis catheters, in particular to a fixing device for a catheter used in hemodialysis of a child. The invention aims to solve the problems that the fixing position of fixing equipment of a hemodialysis catheter is limited, a hemodialysis catheter is prone to deformation after being fixed, dialysate transmission is affected, and discomfort is easily caused due to the fact that the covering area of a connecting belt is large in the prior art. The fixing device for the catheter used in hemodialysis of the child comprises a dialysis tube bifurcation block and static artery tubes, wherein the static artery tubes are connected to the two sides of the front surface of the dialysis tube bifurcation block, and a connecting mechanism is arranged on one side of the outer side wall of the dialysis tube bifurcation block. According to the fixing device, after being tightened, a rubber band belt is driven by a supporting frame to be tightened again to fix a position, so the hemodialysis catheter can be fixed to a certain position without being limited by the hemodialysis catheter fixing device; length adjustment is conducted through a telescopic sleeve under ventilation control to protect the hemodialysis catheter, so the hemodialysis catheter is prevented from being damaged; and heat dissipation of a area covered by the rubber band is not affected by air generated after an air bag on the rubber band expands.
Owner:THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
Hemodialysis catheter protection device for hemodialysis
PendingCN112546322AEasy to operateEffectively fixedDialysis systemsCatheterInternal fixationBiomedical engineering
The invention discloses a hemodialysis catheter protection device for hemodialysis, and particularly relates to the field of hemodialysis equipment. The hemodialysis catheter protection device comprises a sleeving supporting connecting block, a through hole is formed in the middle of the sleeving supporting connecting block, the through hole penetrates through the sleeving supporting connecting block,a supporting reinforcing ring is fixedly arranged in the through hole, a driving adjusting connecting cylinder is arranged on one side of the supporting reinforcing ring, a plurality of guide grooves are formed in the outer wall of the driving adjusting connecting cylinder and penetrate through the outer wall of the driving adjusting connecting cylinder, and a plurality of reinforcing connecting rods are arranged on the outer side of the driving adjusting connecting cylinder. The hemodialysis catheter protection device can adapt to patients with different arm sizes, facilitate operation ofmedical staff, fix catheters effectively, adapt to catheters with different sizes,has high stability when the catheters are fixed, is simple in structure and can effectively calssify, sort and fix the hemodialysis catheters.
Owner:HUZHOU CHINESE MEDICINE HOSPITAL
Deploying split-tip hemodialysis catheter in a right atrium
ActiveUS20170252504A1Multi-lumen catheterOther blood circulation devicesRight atriumHemodialysis Catheter
Owner:PRISTINE ACCESS TECH LTD
Multi-purpose training teaching aid for hematodialysis catheter nursing
PendingCN110767022AConvenient and fast circulation lockImprove work efficiencyCosmonautic condition simulationsEducational modelsNursing careHematological test
The invention discloses a multi-purpose training teaching aid for hematodialysis catheter nursing. The multi-purpose training teaching aid comprises a front piece, a liquid storing connecting pipe IIand a hemodialysis catheter sleeve, wherein a liquid storing bag is arranged on the surface of the front piece, a liquid storing connecting pipe I is inserted on the bottom of the liquid storing bag in a penetrating manner, an adjusting device is fixedly connected to the bottom of the liquid storming connecting pipe I, the bottom of the adjusting device is fixedly connected with the top of the liquid storing connecting pipe II, one end, far away from the adjusting device, on the liquid storing connecting pipe II is fixedly connected with the hemodialysis catheter sleeve in a sealed manner, andthe adjusting device comprises a shell. For the multi-purpose training teaching aid for hematodialysis catheter nursing, through the match use of the structures, the problem that during the practicaluse process, the traditional hemodialysis catheter sleeve effect can not simulate the one-way flowing in different directions of blood in clinic, for example the flowing direction during back pumping, meanwhile, the closing for the flowing channel is not convenient and rapid, so that inconvenience is brought to use, and the teaching quality and efficiency are reduced is solved.
Owner:AFFILIATED HOSPITAL JIANGNAN UNIV WUXI NO 4 PEOPLES HOSPITAL
Maintenance method of central venous catheter with dacron sleeve
PendingCN110706799AIncrease motivationImprove abilitiesDialysis systemsCatheterSkin medicationsBlood vessel
The invention discloses a maintenance method of a central venous catheter with a dacron sleeve. The maintenance method comprises the steps of: preoperative evaluation, psychological nursing, catheterimbedding through cooperation of doctors, catheter use, catheter function recognition and prevention and medication guidance. Psychological nursing needs to do thought work of patients before catheterization; the importance, steps, operation methods and cost policies of hemodialysis catheterization are explained to patients and family members, and patients with the indwelling catheter after dialysis for many years are asked to be persuasive, so that the medical staff is trusted, and the anxiety fear of the patients is eliminated; unified training specification operations are performed, after the dacron sleeve catheter is successfully remained in the patients, propaganda and education such as skin medication self-observation are enhanced, and when complications occur, positive support is provided for symptomatic treatment, standardized working procedures and operation links are continuously improved by formulating an overall nursing measure system and developing management means such asa scientific advanced management method, a PDCA cycle management mode and department quality control. According to the invention, complications of the hemodialysis catheter with the dacron sleeve aregreatly reduced, the service life of the catheter is prolonged, and the catheter plays an important role in improving the vascular access problem and enabling a patient to obtain good dialysis treatment.
Owner:王晓君
Continuous positive pressure device for anti-coagulant catheter sealing fluid of hemodialysis catheter
PendingCN110141699APrevent seepagePlay a protective effectDialysis systemsPositive pressureInsertion stent
The invention discloses a continuous positive pressure device for anti-coagulant catheter sealing fluid of a hemodialysis catheter. The continuous positive pressure device comprises a basal plate, a speed adjusting motor, a driving gear, a supporting platform, a driving rack, a connecting rod, a piston, a placing rod, a main propelling cavity, a connecting cavity, a liquid injecting cavity, a bracket, a first approaching switch, a second approaching switch, an induction column, an accumulator, a first one-way valve, a standby cavity second one-way valve, a liquid supplementing opening, and a protection hood. The continuous positive pressure device disclosed by the invention is ingenious in structure and strong in function; through a reciprocating type movement mechanism, the anti-coagulantcatheter sealing fluid is sequentially filled into a catheter placed at the neck in two sides under positive pressure, so that the phenomenon that the blood is effused and the catheter is blocked iseffectively avoided, the comfort degree of a patient is increased, the economic pressure of the patient is alleviated, and the labor strength of nursing staff is relieved.
Owner:THE FIRST AFFILIATED HOSPITAL OF WANNAN MEDICAL COLLEGE YIJISHAN HOSPITAL OF WANNAN MEDICAL COLLEGE
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