CN113857164B - Pulse type device for automatically flushing central venous catheter and cleaning method thereof - Google Patents
Pulse type device for automatically flushing central venous catheter and cleaning method thereof Download PDFInfo
- Publication number
- CN113857164B CN113857164B CN202111154443.2A CN202111154443A CN113857164B CN 113857164 B CN113857164 B CN 113857164B CN 202111154443 A CN202111154443 A CN 202111154443A CN 113857164 B CN113857164 B CN 113857164B
- Authority
- CN
- China
- Prior art keywords
- central venous
- venous catheter
- piston
- barrel
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
- A61M2005/1402—Priming
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
- A61M2005/1403—Flushing or purging
Abstract
The invention discloses a pulse type device for automatically flushing a central venous catheter, which comprises a pulse generating device and the central venous catheter, wherein the pulse generating device comprises a barrel, the bottom of the barrel is connected with a liquid outlet pipe, a piston is arranged in the barrel in a sliding manner, a force transmission column is arranged between a lifting plate and the top of the barrel in a sliding manner, one end of the force transmission column extends into the barrel, a force transmission plate is fixedly arranged on an extending end, a plurality of springs II are fixedly arranged between the force transmission plate and the piston, a stress plate is fixedly arranged on the extending end, a portal frame is fixedly arranged on the outer wall of the barrel, a beam of the portal frame is arranged right above the stress plate, an electric cylinder is fixedly arranged at the top of the beam of the portal frame, a piston rod of the electric cylinder penetrates through the beam, and a striking block is fixedly arranged on the acting end of the piston rod; the head end opening of the central venous catheter is sleeved on the bottom end opening of the liquid outlet pipe in an interference fit mode. The beneficial effects of the invention are: compact structure, improved central venous catheter cleaning efficiency, thorough washing, alleviate medical staff working strength, degree of automation is high.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a device for automatically flushing a central venous catheter in a pulse mode and a cleaning method thereof.
Background
When the central venous catheter is used for delivering medicine to a patient, a medical worker inserts a tail end port of the central venous catheter into a blood vessel of the patient, then inserts an injection head of a syringe which sucks the medicine into a head end port of the central venous catheter, finally, the medical worker pushes a piston of the syringe, the medicine in the syringe enters the blood vessel of the patient through the head end port of the central venous catheter, the central venous catheter and the tail end port of the central venous catheter under pressure, the medicine can treat the patient, after the medicine is completely injected into the body of the patient, the medical worker needs to inject a certain amount of physiological saline into the central venous catheter through the syringe which sucks the physiological saline so as to wash away the blood and the medicine attached to the inner wall of the central venous catheter, thereby ensuring that the medicine completely enters the body of the patient and achieving good treatment effect, when the flushing time is over, the medical staff pulls out the central venous catheter from the blood vessel. Among them, in the washing operation, since the viscosity of blood and medicine is large, the blood and medicine are firmly attached to the inner wall of the central venous catheter, so that it takes a long time to wash away the attached blood and medicine, thereby greatly reducing the cleaning efficiency of the central venous catheter. In addition, after the completion of the cleaning time, when the medical staff pulls out the central venous catheter from the blood vessel, it is found that a trace amount of the drug remains adhered to the inner wall of the central venous catheter, and there is a drawback that the cleaning is not complete.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a device for automatically flushing a central venous catheter in a pulse mode, which has the advantages of compact structure, improvement on the cleaning efficiency of the central venous catheter, thorough cleaning, reduction in the working intensity of medical staff and high automation degree, and a cleaning method thereof.
The purpose of the invention is realized by the following technical scheme: the utility model provides a device of automatic central venous catheter that washes of pulsed, it includes pulse generator and central venous catheter, pulse generator includes the barrel, the bottom of barrel is connected with the drain pipe, be connected with the stop valve on the drain pipe, slidable mounting has the piston in the barrel, set up the fluid infusion valve that is located the piston below on the lateral wall of barrel, the top of barrel is sealed, slidable mounting has a plurality of guide posts on the closed end of barrel, the one end of guide post extends in the barrel and sets firmly on the piston, the other end extends in the outside of barrel, the last extension of guide post is held firmly between the lift plate, the cover is equipped with spring I on the guide post, spring I's one end sets firmly on the top surface of piston, the other end sets firmly on the inner wall of barrel blind end, slidable mounting has the power transmission post between the top of lift plate and barrel, the one end of power transmission post extends in the barrel, a force transmission plate is fixedly arranged on the extending end, a plurality of springs II are fixedly arranged between the force transmission plate and the piston, the other end of the force transmission column extends above the lifting plate, a stress plate is fixedly arranged on the extending end, a portal frame is fixedly arranged on the outer wall of the barrel, a beam of the portal frame is arranged right above the stress plate, an electric cylinder is fixedly arranged at the top of the beam of the portal frame, a piston rod of the electric cylinder penetrates through the beam, and a striking block is fixedly arranged on the action end of the piston rod; the head end opening of the central venous catheter is sleeved on the bottom end opening of the liquid outlet pipe in an interference fit mode.
Two guide posts are slidably mounted on the closed end of the cylinder body, and the guide posts are arranged in bilateral symmetry with respect to the force transmission post.
The outer wall of the barrel body is provided with a handle and a controller.
The sealed end of the cylinder body is fixedly provided with a lower guide sleeve, the lifting plate is fixedly provided with an upper guide sleeve, and the force transmission column is slidably arranged between the upper guide sleeve and the lower guide sleeve.
The utility model discloses a take-up device, including drain pipe, branch pipe, winding mechanism, winding box, drive unit, and the output shaft of drive unit and the pivot of winding box are through the coupling joint, the branch pipe rather than the intercommunication sets firmly on the lateral wall of drain pipe, and the branch pipe sets up in the below of stop valve, and the other end of branch pipe is provided with winding mechanism, winding mechanism includes drive unit and winding box, and the winding box sets firmly on the other end of branch pipe, and with the branch pipe intercommunication, installs the winding box of vertical setting through the pivot rotation in the winding box, and drive unit sets up on the winding box, and drive unit's output shaft and winding box's a pivot are through the coupling joint, it has many rings of steel wires to coil on the winding box.
The driving unit comprises a motor and a speed reducer, the speed reducer is fixedly arranged on the winding box, an output shaft of the speed reducer is connected with a rotating shaft of the winding drum, the motor is fixedly arranged on the speed reducer, and an output shaft of the motor is connected with an input shaft of the speed reducer.
The utility model discloses a central venous catheter, including central venous catheter, annular plate, connector lug, adsorption apparatus, ball, the blind hole that sets up along the axial is seted up on the top surface of steel ball, sets up the play liquid hole that a plurality of slopes set up downwards on the inner wall of blind hole, goes out the sphere setting that the liquid hole runs through the steel ball.
The free end of steel wire runs through in order and rolls up box, branch pipe, drain pipe, blind hole and sets firmly on the diapire of blind hole.
The controller is electrically connected with the electromagnetic valve of the electric cylinder, the motor, the connector lug of the annular electromagnet, the stop valve and the liquid supplementing valve.
The cleaning method of the device for pulse type automatic flushing of the central venous catheter comprises the following steps:
s1, conveying the medicine, wherein the medical staff extracts the head port of the central venous catheter from the liquid outlet pipe, then inserts the tail end port of the central venous catheter into the blood vessel of the patient, and ensures that the head end port of the central venous catheter is outside the body, then the medical staff inserts the injection head of the injector sucking the medicine into the head end port of the central venous catheter, finally the medical staff pushes the piston of the injector, the medicine in the injector sequentially passes through the head port of the central venous catheter, the central hole of the annular plate, the blind hole, the liquid outlet hole, the central venous catheter and the tail end port of the central venous catheter under pressure and finally enters the blood vessel of the patient, and the medicine treats the patient, so that the medicine conveying is realized;
s2, filling normal saline, wherein medical staff firstly lay the cylinder on a table top, then pull the guide post towards the direction far away from the liquid outlet pipe, the guide post drives the piston to move synchronously, the piston compresses the spring I, meanwhile, the piston drives the force transmission post, the stress plate and the force transmission plate to move synchronously, when the stress plate is abutted against the striking block, the medical staff controls the liquid supplementing valve to open, and finally, a certain amount of normal saline is injected into the cylinder through the liquid supplementing valve, so that the filling of the normal saline is realized;
S3, installing a central venous catheter, wherein after the normal saline is filled, medical staff closes a fluid infusion valve, then holds a handle with hands and enables a cylinder body to be in an upright state, then releases the hands holding a guide post, a piston moves downwards along the axial direction of the cylinder body under the elastic restoring force of a spring I, the piston presses against the liquid level of the normal saline under the elastic force, meanwhile, the piston drives a force transmission post, a stress plate and a force transmission plate to synchronously move downwards, and finally, the medical staff sleeves the head end opening of the central venous catheter on the bottom end opening of a liquid outlet pipe, so that the installation of the central venous catheter is realized;
s4, pulse flushing of the central venous catheter, the medical staff opens the stop valve first, then controls the piston rod of the electric cylinder to do reciprocating up-and-down motion on the controller, the piston rod drives the striking block to do reciprocating up-and-down motion, the striking block strikes the stress plate in a reciprocating and discontinuous way, when the stress plate is struck, the striking force is transmitted to the piston through the stress plate, the force transmission column, the force transmission plate and the spring II in sequence, the piston applies instant pressure to the physiological saline pressed below the piston, the physiological saline pressed in instant pressure enters the blood vessel of the patient through the head port of the central venous catheter, the blind hole, the liquid outlet hole, the central venous catheter and the tail end port of the central venous catheter in sequence, the block strikes the stress plate in such a repeated way, the physiological saline can strike pulse fluid in the central venous catheter, the pulse flowing physiological saline impacts the blood and the medicine attached to the inner wall of the central venous catheter, the impacted blood and medicine enter the blood vessel, thereby realizing the pulse flushing of the central venous catheter;
S5, wiping and flushing the central venous catheter, wherein the method comprises the following specific operation steps:
s51, when the pulse flushing is carried out for a period of time, the medical staff firstly cuts off the power of the connector lug through the controller, the annular electromagnet is cut off, the steel ball is separated from the annular electromagnet, then the motor is controlled to start, the torque of the motor is transmitted to the winding drum after being reduced by the reducer, the steel wire on the winding drum is unwound, the steel ball moves along the central venous catheter at the moment, and the steel ball scrapes off the residual blood and medicine attached to the inner wall of the central venous catheter in the moving process;
s52, the medical staff controls the piston rod of the electric cylinder to extend downwards on the controller, the piston rod drives the striking block to move downwards, the striking block is pressed against the stress plate and pushes the stress plate to move linearly downwards, the stress plate drives the force transmission column to move linearly downwards, the force transmission column drives the force transmission plate and the piston to move linearly downwards synchronously, the piston presses the residual physiological saline in the cylinder downwards, the pressed physiological saline enters the blood vessel of the patient through the head port of the central venous catheter, the central hole of the annular plate, the blind hole, the liquid outlet hole, the central venous catheter and the tail end port of the central venous catheter in sequence, thereby realizing that the steel ball washes the residual blood and the medicine in the process of wiping the residual blood and the medicine, achieving the purpose of thoroughly washing the medicine, fully utilizing the medicine, when the steel ball moves to the tail end port of the central venous catheter, the unwinding of the steel wire is just finished, so that the residual blood and medicines on the inner wall of the central venous catheter are thoroughly wiped and washed;
S6, when the wiping and washing are finished, the medical staff controls the motor to rotate reversely, the motor drives the winding drum to rotate reversely, the winding drum winds the steel wire, the steel wire drives the steel ball to move reversely until the steel ball contacts the annular electromagnet, the medical staff supplies power to the connector lug on the controller, and the steel ball is adsorbed on the annular electromagnet after the annular electromagnet is electrified so as to prepare for next use.
The invention has the following advantages:
1. the invention is characterized in that a plurality of guide columns are slidably arranged on the closed end of a cylinder body, a lifting plate is fixedly arranged between the upper extending ends of the guide columns, a spring I is sleeved on each guide column, one end of the spring I is fixedly arranged on the top surface of a piston, the other end of the spring I is fixedly arranged on the inner wall of the closed end of the cylinder body, a force transmission column is slidably arranged between the lifting plate and the top of the cylinder body, one end of the force transmission column extends into the cylinder body, a force transmission plate is fixedly arranged on the extending end, a plurality of springs II are fixedly arranged between the force transmission plate and the piston, the other end of the force transmission column extends above the lifting plate, a force bearing plate is fixedly arranged on the extending end, an electric cylinder is fixedly arranged on the top of a portal frame cross beam, a striking block repeatedly strikes the force bearing plate to form pulse fluid in a central venous duct, and blood and medicines attached to the inner wall of the central venous duct are impacted by pulse flowing physiological saline, the impacted blood and medicine enter the blood vessel, thereby realizing the pulse flushing of the central venous catheter; therefore, compared with the traditional mode of cleaning the central venous catheter by adopting a mode of pushing the injector, the pulse cleaning is realized, the cleaning time of attached blood and medicine is greatly shortened, and the cleaning efficiency of the central venous catheter is further improved.
2. The side wall of the liquid outlet pipe of the invention is fixedly provided with a branch pipe communicated with the liquid outlet pipe, the branch pipe is arranged below a stop valve, the other end of the branch pipe is provided with a winding mechanism, a winding cylinder of the winding mechanism is wound with a plurality of circles of steel wires, a piston presses the residual physiological saline in the cylinder downwards, the pressed physiological saline enters the blood vessel of a patient through the head port of a central venous catheter, the central hole of an annular plate, a blind hole, a liquid outlet hole, the central venous catheter and the tail end port of the central venous catheter in sequence, thereby realizing that the steel ball washes the residual blood and the medicine in the process of wiping the attached residual blood and the medicine, achieving the purpose of thoroughly washing the medicine, so that the medicine is fully utilized, when the steel ball moves to the tail end port of the central venous catheter, the steel wire is just unreeled, thereby finally realizing the thorough wiping and washing of residual blood and medicine on the inner wall of the central venous catheter; therefore, compared with the traditional mode of cleaning the central venous catheter by pushing the injector, the cleaning device realizes wiping, flushing and cleaning, greatly shortens the cleaning time of attached blood and medicines, further improves the cleaning efficiency of the central venous catheter, and in addition, the cleaning device cleans the central venous catheter on the basis of pulse cleaning, and realizes thorough cleaning of residual blood and medicines.
3. The controller is electrically connected with the electromagnetic valve of the electric cylinder, the motor, the connector lug of the annular electromagnet, the stop valve and the fluid infusion valve, the piston rod of the electric cylinder can be controlled to do reciprocating lifting motion through the controller, the electric cylinder can also be controlled to do linear motion in a single direction, and the opening and closing of the motor, the fluid infusion valve and the stop valve can also be controlled, so that the operation of medical personnel is facilitated, the central venous catheter can be automatically cleaned, the injector does not need to be manually operated for cleaning, and the working strength of the medical personnel is greatly reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is an enlarged view of a portion I of FIG. 1;
FIG. 4 is a schematic structural diagram of a steel ball;
FIG. 5 is a schematic structural diagram of a pulse generator;
FIG. 6 is a front view of FIG. 5;
FIG. 7 is a schematic cross-sectional view A-A of FIG. 5;
FIG. 8 is a schematic view of the construction of a central venous catheter;
FIG. 9 is a front view of FIG. 8;
FIG. 10 is a schematic view of the installation of the annular plate and the annular electromagnet;
in the figure, 1-a pulse generating device, 2-a central venous catheter, 3-a cylinder, 4-a liquid outlet pipe, 5-a stop valve, 6-a piston, 7-a liquid supplementing valve, 8-a guide column, 9-a lifting plate, 10-a spring I, 11-a force transmission column, 12-a force transmission plate, 13-a spring II, 14-a force bearing plate, 15-a portal frame, 16-an electric cylinder, 17-a striking block, 18-a handle, 19-a controller, 20-a lower guide sleeve, 21-an upper guide sleeve, 22-a branch pipe, 23-a winding box, 24-a winding barrel, 25-a steel wire, 26-a motor, 27-a speed reducer, 28-an annular plate, 29-an annular electromagnet, 30-a wiring head, 31-a steel ball and 32-a blind hole, 33-liquid outlet.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 1-10, a device for automatically flushing central venous catheter by pulse comprises a pulse generating device 1 and a central venous catheter 2, wherein the pulse generating device 1 comprises a barrel 3, the bottom of the barrel 3 is connected with a liquid outlet pipe 4, the liquid outlet pipe 4 is connected with a stop valve 5, a piston 6 is arranged in the barrel 3 in a sliding manner, a liquid replenishing valve 7 positioned below the piston 6 is arranged on the side wall of the barrel 3, the top of the barrel 3 is sealed, a plurality of guide columns 8 are arranged on the sealed end of the barrel 3 in a sliding manner, one end of each guide column 8 extends into the barrel 3 and is fixedly arranged on the piston 6, the other end of each guide column 8 extends outside the barrel 3, a lifting plate 9 is fixedly arranged between the upper extending ends of the guide columns 8, a spring I10 is sleeved on each guide column 8, one end of the spring I10 is fixedly arranged on the top surface of the piston 6, the other end of the spring I10 is fixedly arranged on the inner wall of the sealed end of the barrel 3, a force transmission column 11 is slidably mounted between the lifting plate 9 and the top of the barrel 3, one end of the force transmission column 11 extends into the barrel 3, a force transmission plate 12 is fixedly arranged on the extending end, a plurality of springs II13 are fixedly arranged between the force transmission plate 12 and the piston 6, the other end of the force transmission column 11 extends above the lifting plate 9, a stressed plate 14 is fixedly arranged on the extending end, a portal frame 15 is fixedly arranged on the outer wall of the barrel 3, a cross beam of the portal frame 15 is arranged right above the stressed plate 14, an electric cylinder 16 is fixedly arranged at the top of the cross beam of the portal frame 15, a piston rod of the electric cylinder 16 penetrates through the cross beam, and a striking block 17 is fixedly arranged on the acting end of the piston rod; the head end opening of the central venous catheter 2 is sleeved on the bottom end opening of the liquid outlet pipe 4 in an interference fit mode.
The closed end of the cylinder 3 is fixedly provided with a lower guide sleeve 20, the lifting plate 9 is fixedly provided with an upper guide sleeve 21, and the force transmission column 11 is slidably arranged between the upper guide sleeve 21 and the lower guide sleeve 20. Two guide posts 8 are slidably mounted at the closed end of the cylinder body 3, the guide posts 8 are arranged in bilateral symmetry with respect to the force transmission post 11, a handle 18 and a controller 19 are arranged on the outer wall of the cylinder body 3, the controller 19 is electrically connected with an electromagnetic valve of the electric cylinder 16, a motor 26, a connector lug 30 of an annular electromagnet 29, the stop valve 5 and the liquid supplementing valve 7, the piston rod of the electric cylinder 16 can be controlled by the controller to do reciprocating lifting motion, the electric cylinder 16 can also be controlled to do linear motion in a single direction, and the opening and closing of the motor 26, the liquid supplementing valve 7 and the stop valve 5 can also be controlled, so that the operation of medical personnel is facilitated. An operation flow is written on the controller, and medical staff can realize standardized tube flushing through the operation flow.
Set firmly branch pipe 22 rather than the intercommunication on the lateral wall of drain pipe 4, branch pipe 22 sets up in the below of stop valve 5, and branch pipe 22's the other end is provided with winding mechanism, winding mechanism includes drive unit and winding box 23, and winding box 23 sets firmly on the other end of branch pipe 22, and communicates with branch pipe 22, installs the winding drum 24 of vertical setting through the pivot rotation in the winding box 23, and drive unit sets up on winding box 23, and drive unit's output shaft and winding drum 24's a pivot through the coupling joint, it has many rings of steel wires 25 to wind on the winding drum 24, drive unit includes motor 26 and reduction gear 27, reduction gear 27 sets firmly on winding box 23, and the output shaft of reduction gear 27 is connected with a pivot of winding drum 24, and motor 26 sets firmly on reduction gear 27, and the output shaft of motor 26 is connected with the input shaft of reduction gear 27.
In the central venous catheter 2 and be located its head end mouth department and set firmly annular plate 28, set firmly annular electromagnet 29 on annular plate 28's the basal surface, annular electromagnet 29's connector lug 30 runs through annular plate 28 and extends in the outside of central venous catheter 2, adsorb on annular electromagnet 29's the basal surface have with the tangent steel ball 31 of 2 inner walls of central venous catheter, set up on the top surface of steel ball 31 along the blind hole 32 of axial setting, set up the liquid hole 33 that a plurality of slopes set up downwards on the inner wall of blind hole 32, go out the spherical setting that liquid hole 33 runs through steel ball 31. The free end of the steel wire 25 sequentially penetrates through the winding box 23, the branch pipe 22, the liquid outlet pipe 4 and the blind hole 32 and is fixedly arranged on the bottom wall of the blind hole 32.
The cleaning method of the device for pulse type automatic flushing of the central venous catheter comprises the following steps:
s1, conveying the medicine, wherein the medical staff pulls the head port of the central venous catheter 2 out of the liquid outlet pipe 4, then inserts the tail end port of the central venous catheter 2 into the blood vessel of the patient, ensures that the head end port of the central venous catheter 2 is out of the body, then inserts the injection head of the injector sucking the medicine into the head end port of the central venous catheter, finally the medical staff pushes the piston of the injector, the medicine in the injector sequentially passes through the head port of the central venous catheter 2, the central hole of the annular plate 28, the blind hole 32, the liquid outlet hole 33, the central venous catheter 2 and the tail end port of the central venous catheter 2 under pressure and finally enters the blood vessel of the patient, and the medicine treats the patient, so that the medicine is conveyed;
S2, filling the physiological saline, wherein medical staff firstly lay the barrel 3 on a table top, then pull the guide post 8 towards the direction far away from the liquid outlet pipe 4, the guide post 8 drives the piston 6 to move synchronously, the piston 6 compresses the spring I10, meanwhile, the piston 6 drives the force transmission post 11, the stress plate 14 and the force transmission plate 12 to move synchronously, after the stress plate 14 abuts against the striking block 17, the medical staff controls the liquid supplementing valve 7 to be opened, and finally, a certain amount of physiological saline is injected into the barrel 3 through the liquid supplementing valve 7, so that the filling of the physiological saline is realized;
s3, installing the central venous catheter, wherein after the physiological saline is filled, the medical staff closes the fluid infusion valve 7, then holds the handle 18 with hands and makes the cylinder 3 in an upright state, then releases the hands holding the guide post 8, at the moment, the piston 6 moves downwards along the axial direction of the cylinder 3 under the elastic force restoring force of the spring I10, the piston 6 is pressed against the liquid level of the physiological saline under the elastic force, meanwhile, the piston 6 drives the force transmission post 11, the force bearing plate 14 and the force transmission plate 12 to move downwards synchronously, and finally, the medical staff sleeves the head port of the central venous catheter 2 on the bottom port of the liquid outlet pipe 4, so that the installation of the central venous catheter is realized;
s4, pulse flushing of the central venous catheter, wherein a medical staff opens a stop valve 5, then controls a piston rod of an electric cylinder 16 to do reciprocating up-and-down motion on a controller 19, the piston rod drives a striking block 17 to do reciprocating up-and-down motion, the striking block 17 strikes a stress plate 14 in a reciprocating and discontinuous manner, when the stress plate 14 is struck, striking force is sequentially transmitted to a piston 6 through the stress plate 14, a force transmission column 11, a force transmission plate 12 and a spring II13, the piston 6 applies instantaneous pressure to physiological saline pressed below the stress plate, the physiological saline subjected to the instantaneous pressure sequentially enters the blood vessel of a patient through a head port of the central venous catheter 2, a central hole of an annular plate 28, a blind hole 32, a liquid outlet hole 33, the central venous catheter 2 and a tail end port of the central venous catheter 2, the striking block 17 repeatedly strikes the stress plate 14, and the physiological saline can form pulse fluid in the central venous catheter 2, the pulse flowing physiological saline impacts the blood and the medicine attached to the inner wall of the central venous catheter 2, and the impacted blood and the medicine enter blood vessels, so that the pulse flushing of the central venous catheter is realized; therefore, compare the mode that the tradition adopted the mode of promoting the syringe to wash central venous catheter, realized the pulse and washd, very big shortening the attached blood and the cleaning time of medicine, and then improved central venous catheter's cleaning efficiency, realized the automatic central venous catheter that washs in addition, need not the manual operation syringe and wash, very big reduction medical staff's working strength.
S5, wiping and flushing the central venous catheter, wherein the method comprises the following specific operation steps:
s51, after pulse flushing is carried out for a period of time, medical staff firstly cuts off the power of the connector lug 30 through the controller 19, the annular electromagnet 29 is cut off, the steel ball 31 is separated from the annular electromagnet 29, then the motor 26 is controlled to start, the torque of the motor 26 is transmitted to the winding drum 24 after being reduced by the speed reducer 27, the steel wire 25 on the winding drum 24 is unwound, at the moment, the steel ball 31 moves along the central venous catheter 2, and in the moving process, the steel ball 31 scrapes off residual blood and medicines attached to the inner wall of the central venous catheter 2;
s52, medical staff controls the piston rod of the electric cylinder 16 to extend downwards on the controller 19, the piston rod drives the striking block 17 to move downwards, the striking block 17 is pressed against the stress plate 14 and pushes the stress plate 14 to move downwards in a straight line, the stress plate 14 drives the force transmission column 11 to move downwards in a straight line, the force transmission column 11 drives the force transmission plate 12 and the piston 6 to synchronously move downwards in a straight line, the piston 6 presses the residual physiological saline in the cylinder 3 downwards, and the pressed physiological saline sequentially enters the blood vessel of a patient through the head port of the central venous catheter 2, the central hole of the annular plate 28, the blind hole 32, the liquid outlet hole 33, the central venous catheter 2 and the tail end port of the central venous catheter 2, so that the steel ball 31 washes the residual blood and medicines in the process of wiping the attached residual blood and medicines, the aim of thoroughly washing the medicines is achieved, and the medicines are fully utilized, after the steel ball 31 moves to the tail end port of the central venous catheter 2, the steel wire 25 is just completely unreeled, so that residual blood and medicines on the inner wall of the central venous catheter 2 are thoroughly wiped and washed away; therefore, compared with the traditional mode of cleaning the central venous catheter by pushing the injector, the cleaning device realizes wiping, flushing and cleaning, greatly shortens the cleaning time of attached blood and medicines, further improves the cleaning efficiency of the central venous catheter, and in addition, the cleaning device cleans the central venous catheter on the basis of pulse cleaning, and realizes thorough cleaning of residual blood and medicines.
S6, after the wiping and flushing are finished, the medical staff controls the motor 26 to rotate reversely, the motor 26 drives the winding drum 24 to rotate reversely, the winding drum 24 winds up the steel wire 25, the steel wire 25 drives the steel ball 31 to move reversely until the steel ball 31 contacts the annular electromagnet 29, the medical staff supplies power to the connector lug 30 on the controller 19, and after the annular electromagnet 29 is electrified, the steel ball 31 is adsorbed on the annular electromagnet 29, so that the preparation is made for the next use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A device of central venous catheter is washed automatically to pulsed which characterized in that: it includes impulse generator (1) and central venous catheter (2), impulse generator (1) includes barrel (3), the bottom of barrel (3) is connected with drain pipe (4), be connected with stop valve (5) on drain pipe (4), slidable mounting has piston (6) in barrel (3), set up fluid infusion valve (7) that are located piston (6) below on the lateral wall of barrel (3), the top of barrel (3) is sealed, slidable mounting has a plurality of guide posts (8) on the closed end of barrel (3), the one end of guide post (8) extends in barrel (3) and sets firmly on piston (6), the other end extends in the outside of barrel (3), last extension of each guide post (8) is held between and is set firmly lifter plate (9), the cover is equipped with spring I (10) on guide post (8), the one end of spring I (10) sets firmly on the top surface of piston (6), the other end sets firmly on the inner wall of barrel (3) closed end, slidable mounting has biography power post (11) between the top of lifter plate (9) and barrel (3), the one end of biography power post (11) extends in barrel (3), the lower extension of biography power post (11) is served and is set firmly biography power board (12), set firmly many spring II (13) between biography power board (12) and piston (6), the other end of biography power post (11) extends in the top of lifter plate (9), the last extension of biography power post (11) is served and is set firmly atress board (14), a portal frame (15) is fixedly arranged on the outer wall of the barrel (3), a beam of the portal frame (15) is arranged right above the stress plate (14), an electric cylinder (16) is fixedly arranged at the top of a cross beam of the portal frame (15), a piston rod of the electric cylinder (16) penetrates through the cross beam, and a striking block (17) is fixedly arranged on the action end of the piston rod; the head end opening of the central venous catheter (2) is sleeved on the bottom end opening of the liquid outlet pipe (4) in a penetrating manner.
2. The device of claim 1, wherein the central venous catheter comprises: two guide posts (8) are slidably mounted on the closed end of the cylinder body (3), and the guide posts (8) are arranged in a left-right symmetrical mode relative to the force transmission post (11).
3. The device of claim 1, wherein the central venous catheter comprises: the outer wall of the barrel body (3) is provided with a handle (18) and a controller (19).
4. The device of claim 1, wherein the central venous catheter comprises: the sealed end of barrel (3) is fixed with down uide bushing (20), set firmly on lifter plate (9) and go up uide bushing (21), pass force post (11) slidable mounting has between last uide bushing (21) and lower uide bushing (20).
5. The device of claim 1, wherein the central venous catheter comprises: the utility model discloses a take-up device, including drain pipe (4), branch pipe (22), winding box (23), winding box (24), branch pipe (22), winding box (23), winding box (24), the lateral wall of drain pipe (4) is set firmly branch pipe (22) rather than the intercommunication on, and the other end of branch pipe (22) is provided with winding mechanism, winding mechanism includes drive unit and winding box (23), and winding box (23) set firmly on the other end of branch pipe (22), and with branch pipe (22) intercommunication, vertically set up winding drum (24) through the pivot rotation in winding box (23), and drive unit sets up on winding box (23), and drive unit's output shaft and the pivot of winding drum (24) are through the coupling joint, it has many circles steel wire (25) to coil on winding drum (24).
6. The device of claim 5, wherein the central venous catheter comprises: the driving unit comprises a motor (26) and a speed reducer (27), the speed reducer (27) is fixedly arranged on the winding box (23), an output shaft of the speed reducer (27) is connected with a rotating shaft of the winding drum (24), the motor (26) is fixedly arranged on the speed reducer (27), and an output shaft of the motor (26) is connected with an input shaft of the speed reducer (27).
7. The device of claim 1, wherein the central venous catheter comprises: just be located its head end mouth department and set firmly annular plate (28) in central venous catheter (2), set firmly annular electromagnet (29) on the basal surface of annular plate (28), connector lug (30) of annular electromagnet (29) run through annular plate (28) and extend in the outside of central venous catheter (2), adsorb on the basal surface of annular electromagnet (29) have with central venous catheter (2) inner wall tangent steel ball (31), offer on the top surface of steel ball (31) along axial setting blind hole (32), offer the play liquid hole (33) that a plurality of slopes set up downwards on the inner wall of blind hole (32), go out the sphere setting that liquid hole (33) run through steel ball (31).
8. The device of claim 5, wherein the central venous catheter comprises: the free end of the steel wire (25) penetrates through the coiling box (23), the branch pipe (22), the liquid outlet pipe (4) and the blind hole (32) in sequence and is fixedly arranged on the bottom wall of the blind hole (32).
9. The device of claim 3, wherein the central venous catheter comprises: and the controller (19) is electrically connected with the electromagnetic valve of the electric cylinder (16), the motor (26), the connector lug (30) of the annular electromagnet (29), the stop valve (5) and the liquid supplementing valve (7).
10. The cleaning method for the central venous catheter by pulse type automatic flushing according to any one of the claims 1 to 9, characterized in that: it comprises the following steps:
s1, conveying the medicine, wherein the medical staff extracts the head port of the central venous catheter (2) from the liquid outlet pipe (4), then inserts the tail end port of the central venous catheter (2) into the blood vessel of the patient, ensures that the head port of the central venous catheter (2) is positioned outside the body, then inserts the injection head of the injector with the medicine into the head port of the central venous catheter, finally pushes the piston of the injector, the medicine in the injector sequentially enters the blood vessel of the patient through the head port of the central venous catheter (2), the central hole of the annular plate (28), the blind hole (32), the liquid outlet hole (33), the central venous catheter (2) and the tail end port of the central venous catheter (2) under pressure, and the medicine treats the patient, so that the medicine is conveyed;
S2, filling normal saline, wherein medical staff firstly lay the barrel (3) on a table top, then pull the guide column (8) towards the direction far away from the liquid outlet pipe (4), the guide column (8) drives the piston (6) to move synchronously, the piston (6) compresses the spring I (10), meanwhile, the piston (6) drives the force transmission column (11), the stress plate (14) and the force transmission plate (12) to move synchronously, when the stress plate (14) abuts against the striking block (17), the medical staff controls the liquid supplementing valve (7) to be opened, and finally, a certain amount of normal saline is injected into the barrel (3) through the liquid supplementing valve (7), so that the filling of the normal saline is realized;
s3, installing a central venous catheter, wherein after the physiological saline is filled, the medical staff closes a fluid infusion valve (7), then holds a handle (18) with hands and enables a cylinder body (3) to be in an upright state, then releases the hands holding a guide post (8), at the moment, a piston (6) moves downwards along the axial direction of the cylinder body (3) under the elastic force restoring force of a spring I (10), the piston (6) is pressed against the liquid level of the physiological saline under the elastic force, meanwhile, the piston (6) drives a force transmission post (11), a stress plate (14) and a force transmission plate (12) to move downwards synchronously, and finally, the medical staff sleeves the head end opening of the central venous catheter (2) on the bottom end opening of a liquid outlet pipe (4), so that the installation of the central venous catheter is realized;
S4, pulse flushing of the central venous catheter, wherein a medical staff opens a stop valve (5), then controls a piston rod of an electric cylinder (16) to do reciprocating up-and-down motion on a controller (19), the piston rod drives a striking block (17) to do reciprocating up-and-down motion, the striking block (17) strikes a stress plate (14) in a reciprocating and discontinuous way, when the stress plate (14) is struck, striking force is sequentially transmitted to a piston (6) through the stress plate (14), a force transmission column (11), a force transmission plate (12) and a spring II (13), the piston (6) applies instant pressure to physiological saline pressed below the piston, the physiological saline subjected to the instant pressure sequentially enters the blood vessel of a patient through a head end port of the central venous catheter (2), a central hole of an annular plate (28), a blind hole (32), a liquid outlet hole (33), the central venous catheter (2) and a tail end port of the central venous catheter (2), the striking block (17) strikes the stress plate (14) repeatedly, normal saline can form pulse fluid in the central venous catheter (2), the blood and the medicine attached to the inner wall of the central venous catheter (2) are impacted by the pulse flowing normal saline, and the impacted blood and the medicine enter blood vessels, so that the pulse flushing of the central venous catheter is realized;
S5, wiping and flushing the central venous catheter, wherein the specific operation steps are as follows:
s51, when pulse flushing is carried out for a period of time, medical staff firstly cuts off the power of the connector lug (30) through the controller (19), the annular electromagnet (29) is powered off, the steel ball (31) is separated from the annular electromagnet (29), then the motor (26) is controlled to be started, the torque of the motor (26) is transmitted to the winding drum (24) after being reduced by the reducer (27), the steel wire (25) on the winding drum (24) is unwound, the steel ball (31) moves along the central venous catheter (2), and in the moving process, the steel ball (31) scrapes off residual blood and medicines attached to the inner wall of the central venous catheter (2);
s52, medical staff controls a piston rod of an electric cylinder (16) to extend downwards on a controller (19), the piston rod drives a striking block (17) to move downwards, the striking block (17) is pressed against a stress plate (14) and pushes the stress plate (14) to move downwards in a straight line, the stress plate (14) drives a force transmission column (11) to move downwards in a straight line, the force transmission column (11) drives the force transmission plate (12) and a piston (6) to synchronously move downwards in a straight line, the piston (6) presses the residual physiological saline in a cylinder body (3) downwards, the pressed physiological saline sequentially passes through a head end port of a central venous catheter (2), a central hole of an annular plate (28), a blind hole (32), a liquid outlet hole (33), the central venous catheter (2) and a tail end port of the central venous catheter (2) and finally enters a blood vessel of a patient, and accordingly, the blood residual and medicines are washed by a steel ball (31) in the process of wiping the attached blood residual and medicines, the purpose of thoroughly washing the medicines is achieved, so that the medicines are fully utilized, and after the steel ball (31) moves to the tail end port of the central venous catheter (2), the steel wire (25) is just unreeled completely, so that residual blood and medicines on the inner wall of the central venous catheter (2) are thoroughly wiped and washed;
S6, after the wiping and flushing are finished, the medical staff controls the motor (26) to rotate reversely, the motor (26) drives the winding drum (24) to rotate reversely, the winding drum (24) winds up the steel wire (25), the steel wire (25) drives the steel ball (31) to move reversely until the steel ball (31) contacts the annular electromagnet (29), the medical staff supplies power to the connector lug (30) on the controller (19), and after the annular electromagnet (29) is electrified, the steel ball (31) is adsorbed on the annular electromagnet (29) so as to prepare for next use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111154443.2A CN113857164B (en) | 2021-09-29 | 2021-09-29 | Pulse type device for automatically flushing central venous catheter and cleaning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111154443.2A CN113857164B (en) | 2021-09-29 | 2021-09-29 | Pulse type device for automatically flushing central venous catheter and cleaning method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113857164A CN113857164A (en) | 2021-12-31 |
| CN113857164B true CN113857164B (en) | 2022-07-29 |
Family
ID=79000666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111154443.2A Active CN113857164B (en) | 2021-09-29 | 2021-09-29 | Pulse type device for automatically flushing central venous catheter and cleaning method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113857164B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522289B (en) * | 2022-02-28 | 2023-06-30 | 四川省医学科学院·四川省人民医院 | Bladder irrigation device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1134234A (en) * | 1979-06-07 | 1982-10-26 | James E. Young | Flow regulating device for arterial catheter systems |
| US4857056A (en) * | 1988-07-06 | 1989-08-15 | Sherwood Medical Company | Auto-flush syringe pump |
| US5308322A (en) * | 1993-04-19 | 1994-05-03 | Tennican Patrick O | Central venous catheter access system |
| CN103550836B (en) * | 2005-11-21 | 2018-02-06 | 阿西斯特医疗系统有限公司 | Medical fluid injection system |
| CN203493977U (en) * | 2013-08-12 | 2014-03-26 | 山东新华安得医疗用品有限公司 | Injector for flushing catheter |
| CN204655607U (en) * | 2015-05-25 | 2015-09-23 | 四川大学华西医院 | Syringe and central vein catheter flusher |
| CN111629770B (en) * | 2018-01-28 | 2023-09-01 | 贝克顿·迪金森公司 | Pulse or resonance type flushing syringe |
| CN113018577B (en) * | 2021-03-29 | 2022-07-08 | 四川大学华西医院 | Intravenous catheter flushing device |
-
2021
- 2021-09-29 CN CN202111154443.2A patent/CN113857164B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113857164A (en) | 2021-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113857164B (en) | Pulse type device for automatically flushing central venous catheter and cleaning method thereof | |
| CN205650565U (en) | High -efficient cleaning and sterilizing device of clinical laboratory of hospital test tube | |
| CN206261857U (en) | Surgical instrument disinfection device | |
| CN108310416A (en) | A kind of medical apparatus sterilizing equipment for drying | |
| CN205762793U (en) | Test tube cleaning device | |
| CN115463910A (en) | Disinfection supply center pjncture needle belt cleaning device | |
| CN208838650U (en) | A kind of henhouse automation sterilizing equipment decontaminating apparatus | |
| CN113229963B (en) | Ultrasonic medical instrument cleaning and drying device | |
| CN112402666B (en) | Medical electric drill's disinfection box | |
| CN108888363A (en) | A kind of medical scalpel cleaning device | |
| CN110882998A (en) | Automatic cleaning and disinfecting equipment for medical instruments | |
| CN207756554U (en) | A kind of mushroom medicinal material high efficiency flushing device | |
| CN214388308U (en) | High-efficient degerming medical instrument degassing unit | |
| CN108212832A (en) | A kind of set for examination of the ear tool cleaning equipment | |
| CN104888252A (en) | Endoscope sterilizing device | |
| CN208695753U (en) | A kind of lift single armed spray medical instrument washer | |
| CN114305746A (en) | Precise automatic visual tooth filling system based on Internet of things | |
| CN108554907B (en) | Rust removal device for medical equipment | |
| CN209610993U (en) | It is a kind of for cleaning the device of glass curtain wall | |
| CN210333561U (en) | Central washing device disinfects | |
| CN112022377B (en) | Surface treatment device of medical instrument for internal medicine | |
| CN216757556U (en) | Container cleaning device for department of anesthesia | |
| CN219279466U (en) | Filling equipment for disinfectant production | |
| CN213788800U (en) | Traditional chinese medical science acupuncture electrotherapy rehabilitation device | |
| CN220245971U (en) | Basalt infiltration equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |