CN213667160U

CN213667160U - Hemodialysis central venous catheter flow monitoring device

Info

Publication number: CN213667160U
Application number: CN202022281248.3U
Authority: CN
Inventors: 陶明芬; 闫宜锋; 陶香香; 王翠珍; 刘欢; 凌张宾; 刘俊; 徐建海; 黄朗; 周良慧; 周清华; 曹芬芬; 许燕; 张艳; 温龙娟; 谈家美; 吴平
Original assignee: Yijishan Hospital of Wannan Medical College
Current assignee: Yijishan Hospital of Wannan Medical College
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-07-13
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a hemodialysis central venous catheter flow monitoring device, including the cover body, the fore-set, actuating mechanism, the timer, moving mechanism, the knock pin, the guiding hole, the lithium cell, this hemodialysis central venous catheter flow monitoring device, need not the artifical estimation of medical personnel, can the automatic flow of accurate calculation hemodialysis central venous catheter, thereby judge whether unobstructed the pipe, whether the flow can reach the treatment needs, whether will intervene, can know from this, through using the device in this application, not only can guarantee going on smoothly of dialysis treatment, still can reduce medical personnel's working strength, improve treatment.

Description

Hemodialysis central venous catheter flow monitoring device

Technical Field

The utility model relates to a monitoring devices especially relates to hemodialysis central venous catheter flow monitoring devices.

Background

The vascular access is a necessary condition for hemodialysis, and although internal fistula is a common vascular access for hemodialysis, as the dialysis time is prolonged, blood vessels are exhausted due to blood vessel damage caused by long-term puncture, so that a part of dialysis patients select a central venous catheter as a long-term vascular access, and most emergency patients select the central venous catheter as a blood purification vascular access. If thrombus or fibrous sheath is formed in the central venous catheter, blood flow is insufficient, if the blood flow is not accurately evaluated before treatment, blood coagulation can be caused due to too low blood flow during treatment, blood loss and treatment consumable waste are caused, anemia of a patient is aggravated, economic burden of the patient is increased, and doctor-patient contradiction is caused. In order to ensure the normal treatment and reduce the occurrence of complications, a syringe is often used for suction before the treatment in clinic, and the approximate range of the blood flow is simply judged through the blood flow velocity sensed during the suction.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: provides a hemodialysis central venous catheter flow monitoring device to solve the problems in the background technology.

In order to solve the technical problem, the technical scheme of the utility model is that: the hemodialysis central venous catheter flow monitoring device comprises an injector, a sleeve body, a support pillar, a driving mechanism, a timer, a moving mechanism, a support pin, a guide hole, a lithium battery and a flow monitoring mechanism, a sleeve body is movably sleeved outside the injector, a top post penetrates through the right side of the top of the sleeve body through threads, the upper end of the left side in the sleeve body is fixedly provided with a driving mechanism, the middle end of the top of the sleeve body is fixedly provided with a timer, the external thread of the driving mechanism is sleeved with a moving mechanism which is connected with the sleeve body in a sliding way, the bottom of the moving mechanism is threaded through with a knock pin, the bottom of the sleeve body is integrally provided with a guide hole, the guiding hole be the through-hole, the inside left side tight fit of cover body be equipped with the lithium cell, the lithium cell be connected with the timer wire, cover body bottom set firmly flow monitoring mechanism.

Furthermore, the driving mechanism consists of a motor and a screw rod.

Further, the upper end of the left side inside the sleeve body is fixedly provided with a motor, and the motor is connected with a lithium battery lead.

Further, the motor is connected with a signal wire of the timer, a screw rod is arranged on the right side of the motor in an interference fit mode, and the screw rod is rotatably connected with the sleeve body.

Furthermore, the moving mechanism consists of a connecting block, a placing plate and a yielding hole.

Further, the outside thread bush of lead screw be equipped with the connecting block, connecting block bottom set firmly place the board.

Furthermore, the placing plate is sleeved on the jacking pin in a threaded manner, and the placing plate is connected with the sleeve body in a sliding manner.

Further, place the board inside an organic whole be equipped with the hole of stepping down, the hole of stepping down be the through-hole.

Furthermore, the flow monitoring mechanism comprises a controller, a spring and a monitoring head, and the controller is fixedly arranged on the right side of the bottom of the sleeve body.

Further, the upper end and the lower end of the right side in the sleeve body are fixedly provided with springs, the bottom of each spring is fixedly provided with a monitoring head, and the monitoring heads are connected with the sleeve body in a sliding mode.

Compared with the prior art, this hemodialysis central venous catheter flow monitoring device need not medical personnel's manual estimation, can automatic accurate calculation hemodialysis central venous catheter's actual flow to judge whether the pipe flow can reach the treatment needs, whether will intervene, can know from this, through using the device in this application, not only can guarantee going on smoothly of dialysis treatment, reduce the dialysis complication, still can reduce medical personnel's working strength, improve treatment.

Drawings

FIG. 1 is a front cross-sectional view of a hemodialysis central venous catheter flow monitoring device;

FIG. 2 is a front view of a hemodialysis central venous catheter flow monitoring device;

fig. 3 is a circuit diagram of a hemodialysis central venous catheter flow monitoring device.

The device comprises a syringe 1, a sleeve body 2, a top column 3, a driving mechanism 4, a timer 5, a moving mechanism 6, a top pin 7, a guide hole 8, a lithium battery 9, a motor 10, a screw rod 11, a connecting block 12, a placing plate 13, a yielding hole 14, a flow monitoring mechanism 15, a controller 16, a spring 17 and a monitoring head 18.

The following detailed description will be further described in conjunction with the above-identified drawings.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.

As shown in fig. 1 and 2, the hemodialysis central venous catheter flow monitoring device comprises a syringe 1, a sleeve body 2, a support pillar 3, a driving mechanism 4, a timer 5, a moving mechanism 6, a support pin 7, a guide hole 8, a lithium battery 9 and a flow monitoring mechanism 15, wherein the syringe 1 is movably sleeved with the sleeve body 2, the sleeve body 2 is provided with the support pillar 3 at the right side through a thread at the top, the driving mechanism 4 is fixedly arranged at the upper end of the left side inside the sleeve body 2, the timer 5 is fixedly arranged at the middle end of the top of the sleeve body 2, the moving mechanism 6 is sleeved with the moving mechanism 4 at the outer side through a thread, the moving mechanism 6 is connected with the sleeve body 2 in a sliding manner, the support pin 7 is fixedly arranged at the bottom of the moving mechanism 6 through a thread, the guide hole 8 is arranged at the bottom of the sleeve body 2 in an integrated manner, the guide hole 8 is a through hole, the, the lithium battery 9 is connected with the timer 5 by a wire, the sleeve body 1 is fixedly provided with a flow monitoring mechanism 15 at the bottom, the driving mechanism 4 consists of a motor 10 and a lead screw 11, the motor 10 is fixedly arranged at the upper end of the left side inside the sleeve body 2, the motor 10 is connected with the lithium battery 9 by a wire, the motor 10 is connected with the timer 5 by a signal wire, the lead screw 11 is arranged on the right side of the motor 10 in interference fit, the lead screw 11 is rotatably connected with the sleeve body 2, the moving mechanism 6 consists of a connecting block 12, a placing plate 13 and a yielding hole 14, the connecting block 12 is externally provided with a connecting block 12 in a threaded sleeve way, the bottom of the connecting block 12 is fixedly provided with a placing plate 13, the placing plate 13 is sleeved on a top pin 7 in a threaded sleeve way, the placing plate 13 is slidably connected with the sleeve body 2, the placing plate 13 is internally provided with a yielding hole 14 integrally, the yielding hole, flow monitoring mechanism 15 constitute by controller 16, spring 17 and monitoring

head

18, 2 bottom right sides of the cover body have set firmly

controller

16, 2 inside right sides of the cover body both ends have set firmly spring 17 from top to bottom, spring 17 bottom have set firmly monitoring head 18, monitoring head 18 and the cover body 2 sliding connection.

The hemodialysis central venous catheter flow monitoring device is characterized in that before use, medical staff firstly input liquid suction time into a timer 5, during use, the medical staff firstly sleeve a sleeve body 2 on an injector 1, a push rod part of the injector 1 penetrates through a abdicating hole 14 at a placing plate 13, the medical staff rotates a top column 3 clockwise by hands, so that the top column 3 performs extrusion force on the sleeve part of the injector 1, namely the sleeve body 2 is firmly connected with a piston of the injector 1, meanwhile, during the process that the injector 1 is inserted into the sleeve body 2, the injector 1 performs extrusion force on a monitoring head 18, so that the spring 17 is deformed, the monitoring head 18 is tightly attached to the outer wall of the injector 1 under the action of resilience force of the spring 17, the medical staff rotates a top pin 7 clockwise by hands, so that the top pin 7 performs extrusion force on the push rod part of the injector 1, namely, the placing plate 13 is firmly connected with the push rod part of the injector 1, the medical staff holds the left end of the sleeve body 2 again, the nipple of the injector 1 is tightly connected with the hemodialysis central venous catheter, the medical staff starts the forward rotation function of the timer 5, the flow monitoring mechanism 15 and the motor 10 again, so that the motor 10 drives the screw rod 11 to rotate clockwise, the motor 10 is a constant-speed motor, under the effects of the screw rod 11 and the connecting block 12 in threaded transmission and the sliding connection of the placing plate 13 and the sleeve body 2, the connecting block 12 drives the placing plate 13 to move along the direction of the sleeve body 2 in a way of linking the push rod part of the injector 1, so as to suck the blood in the central venous catheter of the patient into the injector 1, when the time set by the timer 5 is up, the motor 10 stops working, namely the suction stops, the monitoring head 18 monitors the flow of the liquid sucked in the injector, and the monitored value is transmitted to a display screen at the controller 16, so that medical personnel can check the value and finish checking, the medical personnel can separate the device from the central venous catheter, separate the injector 1 from the sleeve body 2 and use a new injector 1 to match the device for the next patient. This application flow monitoring mechanism is through the time setting value and the suction power value and the actual suction volume of accepting the suction, and the data display that will obtain after calculating is on the display screen, and the medical personnel of being convenient for clearly observe the minute flow.

As shown in fig. 3, the lithium battery 9 in the present application is intended to provide the device with a supply of energy. The controller 16 and monitoring head 18 are prior art ultrasonic flow meters, preferably of the type LC-TUF.

Claims

1. The hemodialysis central venous catheter flow monitoring device comprises an injector, and is characterized by also comprising a sleeve body, a support pillar, a driving mechanism, a timer, a moving mechanism, a support pin, a guide hole, a lithium battery and a flow monitoring mechanism, a sleeve body is movably sleeved outside the injector, a top post penetrates through the right side of the top of the sleeve body through threads, the upper end of the left side in the sleeve body is fixedly provided with a driving mechanism, the middle end of the top of the sleeve body is fixedly provided with a timer, the external thread of the driving mechanism is sleeved with a moving mechanism which is connected with the sleeve body in a sliding way, the bottom of the moving mechanism is threaded through with a knock pin, the bottom of the sleeve body is integrally provided with a guide hole, the guiding hole be the through-hole, the inside left side tight fit of cover body be equipped with the lithium cell, the lithium cell be connected with the timer wire, cover body bottom set firmly flow monitoring mechanism.

2. The hemodialysis central venous catheter flow monitoring device as set forth in claim 1, wherein the driving mechanism is composed of a motor and a lead screw.

3. The device for monitoring the flow of the venous catheter for the hemodialysis center as claimed in claim 1, wherein a motor is fixedly arranged at the upper end of the left side inside the sheath, and the motor is connected with a lead of a lithium battery.

4. The hemodialysis central venous catheter flow monitoring device as set forth in claim 3, wherein the motor is connected with a signal line of a timer, a lead screw is arranged on the right side of the motor in an interference fit manner, and the lead screw is rotatably connected with the sleeve body.

5. The hemodialysis central venous catheter flow monitoring device as set forth in claim 1, wherein the moving mechanism comprises a connecting block, a placing plate and a relief hole.

6. The hemodialysis central venous catheter flow monitoring device as recited in claim 4, wherein a connecting block is threaded on the outside of the screw mandrel, and a placing plate is fixedly arranged at the bottom of the connecting block.

7. The hemodialysis central venous catheter flow monitoring device as set forth in claim 6, wherein the placement plate is threaded onto the top pin, and the placement plate is slidably connected to the housing.

8. The device for monitoring the flow of the venous catheter of the hemodialysis center as claimed in claim 7, wherein the placement plate is integrally provided with a hole for the step-down, the hole for the step-down being a through hole.

9. The hemodialysis central venous catheter flow monitoring device as set forth in claim 1, wherein the flow monitoring mechanism is composed of a controller, a spring and a monitoring head, the controller is fixedly arranged on the right side of the bottom of the sleeve body.

10. The device for monitoring the flow of the venous catheter of the hemodialysis center as claimed in claim 1, wherein the spring is fixedly arranged at the upper and lower ends of the right side inside the sleeve body, the monitoring head is fixedly arranged at the bottom of the spring, and the monitoring head is slidably connected with the sleeve body.