CN114795391B - Double-pressure plug-shaped object extraction device - Google Patents
Double-pressure plug-shaped object extraction device Download PDFInfo
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- CN114795391B CN114795391B CN202210720476.7A CN202210720476A CN114795391B CN 114795391 B CN114795391 B CN 114795391B CN 202210720476 A CN202210720476 A CN 202210720476A CN 114795391 B CN114795391 B CN 114795391B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22082—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7545—General characteristics of the apparatus with filters for solid matter, e.g. microaggregates
Abstract
The invention provides a double-pressure plug-shaped object extraction device, which comprises: the device comprises a double-pressure power source, a bolt-shaped object extraction structure and a liquid supplementing broken bolt structure, wherein the bolt-shaped object extraction structure and the liquid supplementing broken bolt structure are respectively connected with the double-pressure power source; the double-pressure power source is used for providing negative pressure power for the plug-shaped object extraction structure and providing positive pressure power for the liquid supplementing and plug breaking structure; the plug-shaped object extraction structure is used for providing a plug-shaped object extraction function when the negative pressure power meets a first pressure condition; the fluid infusion bolt breaking structure is used for providing a fluid infusion bolt breaking function when the positive pressure power meets a second pressure condition. The invention can effectively simplify the structural complexity of the double-pressure plug-shaped object extraction device and can also obviously simplify the conversion process of suction power.
Description
Technical Field
The invention relates to the technical field of medical instrument design, in particular to a double-pressure-plug-shaped object extraction device.
Background
Deep vein thrombosis refers to the formation of a blood clot within a venous blood vessel, which can be rapidly cleared by mechanical thrombectomy. However, the existing mechanical thrombus aspiration device is usually provided with an aspiration pump module and an injection pump module separately, and the power source of the aspiration pump module and the power source of the injection pump module are configured separately, which not only increases the structural complexity of the device, but also complicates the process of aspiration power conversion.
Disclosure of Invention
In view of this, the present invention provides a double-pressure plug-shaped object extraction device, which can effectively simplify the structural complexity of the double-pressure plug-shaped object extraction device, and can also significantly simplify the conversion process of the suction power.
In a first aspect, an embodiment of the present invention provides a dual-pressure plug extraction device, including: the device comprises a double-pressure power source, a bolt-shaped object extraction structure and a liquid supplementing broken bolt structure, wherein the bolt-shaped object extraction structure and the liquid supplementing broken bolt structure are respectively connected with the double-pressure power source; the double-pressure power source is used for providing negative pressure power for the plug-shaped object extraction structure and providing positive pressure power for the liquid supplementing and plug breaking structure; the plug-shaped object extraction structure is used for providing a plug-shaped object extraction function when the negative pressure power meets a first pressure condition; the fluid infusion bolt breaking structure is used for providing a fluid infusion bolt breaking function when the positive pressure power meets a second pressure condition.
In one embodiment, the double-pressure embolus extraction device further comprises a suction catheter, the suction catheter comprises a suction hole and a suction pipe, and further comprises a jet hole and a jet section inner pipe, the embolus extraction structure comprises a negative pressure tank body, a negative pressure sealing cover and a first catheter, and the fluid infusion and fragmentation structure comprises a positive pressure tank body, a positive pressure sealing cover and a second catheter; one end of the first conduit extends into the negative pressure tank body through the negative pressure sealing cover, the other end of the first conduit is connected with the suction pipe, and the suction pipe is connected with the suction hole; the suction hole is used for drawing a blood sample, the suction pipe is used for transmitting the blood sample to the negative pressure tank body through the first conduit, and the negative pressure tank body is used for containing the blood sample; one end of the second conduit extends into the positive pressure tank body through the positive pressure sealing cover, the other end of the second conduit is connected with the injection section inner tube, and the injection section inner tube is connected with the injection hole; the positive pressure tank body is used for containing target medicines to be sprayed, the second catheter is used for conveying the target medicines to the injection section inner tube, the injection section inner tube is used for conveying the target medicines to the injection holes, and the injection holes are used for injecting the target medicines.
In one embodiment, the double-pressure plug-shaped object extraction device further comprises a shell arranged outside the double-pressure power source, the shell is provided with a negative limit mounting column and a positive limit mounting column, the negative limit mounting column is provided with a negative pressure sensor interface and a negative compressed air interface, the positive limit mounting column is provided with a positive pressure sensor interface and a positive compressed air interface, the negative pressure tank body is provided with a negative installation limiting groove, and the positive pressure tank body is provided with a positive installation limiting groove; the negative limiting mounting column is clamped with the negative mounting limiting groove; the double-pressure power source is also used for extracting air in the negative pressure tank body through the negative compression air interface to enable the interior of the negative pressure tank body to be in a negative pressure state; the negative pressure sensor interface is used for mounting a negative pressure sensor, and the negative pressure sensor is used for collecting a negative pressure value in the negative pressure tank body; the positive limiting mounting column is clamped with the positive mounting limiting groove; the double-pressure power source is also used for conveying the extracted air into the positive pressure tank body through the positive compressed air interface so as to enable the interior of the positive pressure tank body to be in a positive pressure state; the positive pressure sensor interface is used for installing a positive pressure sensor, and the positive pressure sensor is used for collecting a positive pressure value in the positive pressure tank body.
In one embodiment, the double-plug extraction device further comprises a thrombus filter plate, a flow sensor and signal transmission contacts; the thrombus filter plate is arranged at a designated position in the negative pressure tank body and is used for filtering thrombus-shaped objects contained in the blood sample; the flow sensor is connected with the signal transmission contact, the flow sensor and the signal transmission contact are both arranged at the negative pressure sealing cover, the flow sensor is used for collecting flow data of blood samples, and the signal transmission contact is used for sending the flow data to a specified associated terminal.
In an embodiment, the internal portion of malleation jar still is provided with the inner tank, the one end warp of second pipe the sealed lid of malleation stretches into to inside the inner tank, the inner tank holds target medicine.
In one embodiment, the fluid infusion and bolt breaking structure further comprises an in-tank solenoid valve and a solenoid valve control switch, wherein the in-tank solenoid valve is connected with the solenoid valve control switch, and the in-tank solenoid valve is arranged at the other end of the second conduit; the electromagnetic valve control switch is used for controlling the opening and closing states of the electromagnetic valve, and the opening and closing states comprise an opening state and a closing state; the in-tank solenoid valve is used for blocking the target drug from being conveyed from the second catheter to the injection section inner tube in the closed state, and allowing the target drug to be conveyed from the second catheter to the injection section inner tube in the open state.
In one embodiment, the double-pressure plug-shaped object extraction device further comprises a negative pressure indicator light and a positive pressure indicator light, wherein the negative pressure indicator light and the positive pressure indicator light are both arranged on the shell; the negative pressure prompting lamp is used for providing prompting light matched with the negative pressure value, and the positive pressure prompting lamp is used for providing prompting light matched with the positive pressure value; the double-pressure bolt-shaped object extraction device also comprises a power switch and an annular prompting lamp, wherein the power switch and the annular prompting lamp are arranged on the shell; the power switch is used for controlling the running state of the double-pressure bolt-shaped object extraction device, and the annular prompting lamp is used for providing prompting light corresponding to the running state.
In one embodiment, the plug-shaped object extraction structure is further provided with a negative pressure gas path interface, and the liquid supplementing and breaking structure is further provided with a positive pressure gas path interface; the negative pressure air path interface is used for connecting an external negative pressure air path source so as to provide negative pressure power for the bolt-shaped object extraction structure through the external negative pressure air path source; the positive pressure air circuit interface is used for being connected with an external positive pressure air circuit source so as to provide positive pressure power for the liquid supplementing bolt structure through the external positive pressure air circuit source.
In a second aspect, an embodiment of the present invention further provides a control method of a dual-pressure plug extraction device, which is applied to any one of the dual-pressure plug extraction devices provided in the first aspect, and the method includes: negative pressure power is provided for the plug-shaped object extraction structure through a double-pressure power source, and positive pressure power is provided for the liquid supplementing and bolt breaking structure; providing a plug extraction function through the plug extraction structure when the negative pressure power meets a first pressure condition; and when the positive pressure power meets a second pressure condition, providing a fluid supplementing plug breaking function through the fluid supplementing plug breaking structure.
In one embodiment, the step of providing negative pressure power to the plug extraction structure and positive pressure power to the fluid replacement slug structure by a dual pressure power source comprises: extracting air in a negative pressure tank body in a plug-shaped object extraction structure through the double-pressure power source to provide negative pressure power for the plug-shaped object extraction structure, and conveying the extracted air to the interior of a positive pressure tank body in a liquid supplementing broken bolt structure to provide positive pressure power for the liquid supplementing broken bolt structure; the method further comprises the following steps: if the negative pressure value inside the negative pressure tank body is larger than a preset first pressure threshold value, determining that the negative pressure power meets a first pressure condition; and if the positive pressure value inside the positive pressure tank body is greater than a preset second pressure threshold value, determining that the positive pressure power meets a second pressure condition.
The embodiment of the invention provides a double-pressure bolt-shaped object extraction device, which comprises: the device comprises a double-pressure power source, a bolt-shaped object extraction structure and a liquid supplementing broken bolt structure, wherein the bolt-shaped object extraction structure and the liquid supplementing broken bolt structure are respectively connected with the double-pressure power source. The double-pressure power source is used for providing negative pressure power for the plug-shaped object extraction structure and providing positive pressure power for the liquid supplementing and bolt breaking structure; the plug-shaped object extraction structure is used for providing a plug-shaped object extraction function when the negative pressure power meets a first pressure condition; the fluid infusion bolt breaking structure is used for providing a fluid infusion bolt breaking function when the positive pressure power meets a second pressure condition. The double-pressure plug-shaped object extraction device utilizes the double-pressure power source to respectively provide negative pressure power for the plug-shaped object extraction structure and positive pressure power for the liquid supplementing plug breaking structure, the plug-shaped object extraction function can be provided through the plug-shaped object extraction structure when the negative pressure power meets a first pressure condition, and the liquid supplementing plug breaking function can be provided through the liquid supplementing plug breaking structure when the positive pressure power meets a second pressure condition.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a double-pressure plug extraction device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another dual-pressure plug extraction apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a power source according to an embodiment of the present invention;
FIG. 4 is a schematic view of an embodiment of an aspiration catheter provided in accordance with the present invention;
FIG. 5 is a schematic structural diagram of another dual-pressure plug extraction apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a plug extraction structure according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a fluid replacement hydrant structure according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a housing according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of another embodiment of a fluid replacement slug structure according to the present invention;
fig. 10 is a schematic flow chart of a control method of a double-pressure plug extraction device according to an embodiment of the present invention.
Icon: 1-double pressure power source; 2-a plug extraction structure; 3-fluid infusion and bolt breaking structure; 4-negative pressure tank body; 5-sealing cover under negative pressure; 6-a first conduit; 7-positive pressure tank body; 8-positive pressure sealing cover; 9-a second conduit; 10-thrombus filter plate; 11-a flow sensor; 12-signal transfer contacts; 13-inner tank; 14-a solenoid valve in the tank; 15-sealing ring; 16-vacuum sealing the locking structure; 17-positive pressure sensor interface; 18-positive compressed air interface; 19-a housing; 20-negative limit mounting posts; 21-positive limit mounting post; 22-negative pressure sensor interface; 23-negative compressed air interface; 25-positively installing a limit groove; 26-negative pressure warning light; 27-positive pressure warning light; 28-power switch; 29-ring-shaped warning light.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Currently, the existing mechanical thrombus aspiration equipment has the following problems: (1) the pump bodies have the problems of double power sources, need to be supplied with power and compressed gas, and have higher requirements on site arrangement and operation; (2) the pump body has a complex structure, the power for pumping liquid needs to be provided by electronically controlling the switch of the pneumatic cylinder body, and the pumping power conversion is complex; (3) the whole volume of the equipment is huge, and the height is more than 1 meter; (4) during the thrombus aspiration process, red blood cells are broken by high-speed sprayed liquid, so that complications such as hemoglobinuria, renal function damage, renal failure and the like are easily caused, and related follow-up treatment is required to be introduced to prevent renal damage.
Based on this, the invention provides the double-pressure plug-shaped object extraction device, which can effectively simplify the structural complexity of the double-pressure plug-shaped object extraction device and can also remarkably simplify the conversion process of the suction power.
For the understanding of the present embodiment, a detailed description will be given of a dual pressure pin extractor disclosed in the present embodiment.
The embodiment of the invention provides a double-pressure bolt-shaped object extraction device, which comprises: the device comprises a double-pressure power source, a bolt-shaped object extraction structure and a liquid supplementing broken bolt structure, wherein the bolt-shaped object extraction structure and the liquid supplementing broken bolt structure are respectively connected with the double-pressure power source. The double-pressure power source is used for providing negative pressure power for the plug-shaped object extraction structure and providing positive pressure power for the liquid supplementing and bolt breaking structure; the plug-shaped object extraction structure is used for providing a plug-shaped object extraction function when the negative pressure power meets a first pressure condition; the fluid infusion bolt breaking structure is used for providing a fluid infusion bolt breaking function when the positive pressure power meets a second pressure condition.
For convenience of understanding, fig. 1 illustrates a structural schematic diagram of a dual-pressure-plug extraction device, and fig. 1 illustrates that the dual-pressure-plug extraction device includes a dual-pressure power source 1, a plug extraction structure 2, and a fluid infusion breaking plug structure 3, and the plug extraction structure 2 and the fluid infusion breaking plug structure 3 are respectively connected to the dual-pressure power source 1.
In one embodiment, the dual pressure power source 1 is used to provide negative pressure power to the plug extraction structure 2 and positive pressure power to the fluid replacement slug structure 3. The plug extracting structure 2 is used for providing a plug extracting function when the negative pressure power meets a first pressure condition, and the liquid supplementing and bolt breaking structure 3 is used for providing a liquid supplementing and bolt breaking function when the positive pressure power meets a second pressure condition. When the double-pressure power source 1 is specifically implemented, a positive-negative pressure compressor can be adopted, air is extracted from the negative pressure tank body of the plug-shaped object extraction structure 2 through the positive-negative pressure compressor, so that the inside of the negative pressure tank body is in a negative pressure state, which is equivalent to providing negative pressure power required by the plug-shaped object extraction function, when the negative pressure value inside the negative pressure tank body reaches a first pressure threshold value, the negative pressure power can be determined to meet a first pressure condition, and at the moment, a suction hole of a suction catheter is prompted to extract blood samples from the pathological change position of a patient, so that the plug-shaped object extraction function is realized; simultaneously, the positive-negative pressure compressor carries the air of extraction to the garrulous stopper of fluid infusion structure 3's of malleation jar in to make this malleation jar of internal portion be in the malleation state, be equivalent to for the garrulous stopper function of fluid infusion provides required malleation power, when the malleation value of the internal portion of malleation jar reaches the second pressure threshold value, can confirm that malleation power satisfies the second pressure condition, can extrude the target medicine that the internal held of malleation jar to the spouting section inner tube of suction catheter at this moment and spray, realize the garrulous stopper function of fluid infusion.
According to the double-pressure plug-shaped object extraction device provided by the embodiment of the invention, the double pressure power sources are utilized to respectively provide negative pressure power for the plug-shaped object extraction structure and positive pressure power for the liquid supplementing and bolt breaking structure, when the negative pressure power meets a first pressure condition, the plug-shaped object extraction function can be provided through the plug-shaped object extraction structure, and when the positive pressure power meets a second pressure condition, the liquid supplementing and bolt breaking function can be provided through the liquid supplementing and bolt breaking structure.
To facilitate understanding of the above embodiments, the present invention provides a dual-pressure plug extraction device, referring to the structural schematic diagram of another dual-pressure plug extraction device shown in fig. 2, and fig. 2 illustrates a plug extraction structure 2, a fluid replacement breaking plug structure 3 and a housing, and the dual-pressure power source 1 is disposed inside the housing, such as the structural schematic diagram of one power source shown in fig. 3. In practical applications, the dual-pressure power source 1 may include a vacuum pump and an air compressor, wherein the vacuum pump is used for extracting air from the negative pressure tank of the plug extraction structure 2, and the air compressor is used for delivering the extracted air to the positive pressure tank of the fluid infusion plug crushing structure 3.
In an embodiment, the above-mentioned double-pressing plug extraction device further comprises a suction catheter, referring to a schematic structural diagram of a suction catheter shown in fig. 4, the suction catheter at least comprises a suction hole, a suction tube, an injection hole and an injection section inner tube, fig. 4 shows that the suction catheter comprises a guide wire, a catheter tip, a distal development ring and an injection tube, and a proximal development marker band is further disposed at the injection hole.
Further, the embodiment of the invention provides a specific structure of a double-pressure plug extraction device, referring to a structural schematic diagram of another double-pressure plug extraction device shown in fig. 5, fig. 5 illustrates that a plug extraction structure 2 includes a negative pressure tank 4, a negative pressure sealing cover 5 and a first conduit 6, and a liquid supplementing and breaking structure 3 includes a positive pressure tank 7, a positive pressure sealing cover 8 and a second conduit 9.
With reference to fig. 5, one end of the first conduit 6 extends into the negative pressure tank 4 through the negative pressure sealing cover 5, and the other end of the first conduit 6 is connected to the suction pipe, which is connected to the suction hole. The suction hole is used for drawing the blood sample, and the suction tube is used for transmitting the blood sample to the negative pressure jar body 4 through first pipe 6, and negative pressure jar body 4 is used for holding the blood sample. In practice, the negative pressure inside the negative pressure can 4 can cause the suction hole to suck a blood sample from the lesion of the patient, and the blood sample will flow into the negative pressure can 4 through the suction tube and the first conduit 6.
Further, referring to a structural schematic diagram of a plug extraction structure shown in fig. 6, fig. 6 illustrates that the double-pressure plug extraction device further includes a thrombus filter plate 10, a flow sensor 11, and a signal transmission contact 12. The thrombus filter plate 10 is disposed at a designated position inside the negative pressure tank 4, and the thrombus filter plate 10 is used for filtering thrombus-like objects contained in a blood sample, specifically, normal blood in the blood sample flows into the bottom of the negative pressure tank 4 from the thrombus filter plate 10, and the thrombus-like objects stay on the thrombus filter plate 10. In addition, the flow sensor 11 is connected with the signal transmission contact 12, the flow sensor 11 and the signal transmission contact 12 are both arranged at the negative pressure sealing cover 5, the flow sensor 11 is used for collecting flow data of blood samples, and the signal transmission contact 12 is used for sending the flow data to a specified associated terminal. In practical application, when a blood sample flows into the negative pressure tank 4 from the first conduit 6, the flow sensor 11 will collect flow data at the outlet of the first conduit 6, the signal transmission contact 12 is connected to a designated associated terminal (such as a controller, a personal computer, etc.) in a communication manner, and the signal transmission contact 12 transmits the flow data collected by the flow sensor 11 to the designated associated terminal.
Referring to fig. 5, one end of the second conduit 9 extends into the positive pressure tank 7 through the positive pressure sealing cover 8, the other end of the second conduit 9 is connected to the injection section inner tube, and the injection section inner tube is connected to the injection hole. The positive pressure tank body 7 is used for containing target drugs to be sprayed, the second catheter 9 is used for conveying the target drugs to the injection section inner tube, the injection section inner tube is used for conveying the target drugs to the spraying holes, and the spraying holes are used for spraying the target drugs. In practical application, one end of the second conduit 9 extends into the target medicament, so that when the interior of the positive pressure tank 7 is in a positive pressure state, the target medicament can be extruded into the second conduit 9 by using air in the positive pressure tank 7, the target medicament is extruded into the inner tube of the injection section, and finally the target medicament is injected from the injection hole.
With continuing reference to fig. 5, fig. 5 further illustrates that an inner tank 13 is further disposed inside the positive pressure tank 7, one end of the second conduit 9 extends into the inner tank 13 through the positive pressure sealing cover 8, and the inner tank 13 contains the target drug. In practical application, the inside target medicine that has held of inner tank 13, the space between the jar body 7 of malleation and the inner tank 13 is compressed gas, and when compressed gas lasted to get into the jar body 7 of malleation inside, will lead to the inside malleation value of the jar body 7 of malleation to increase gradually to can extrude the target medicine that holds in the inner tank 13 to the second pipe 9.
Further, referring to the structural schematic diagram of a fluid infusion hydrant structure shown in fig. 7, fig. 7 illustrates that the fluid infusion hydrant structure 3 further includes an in-tank solenoid valve 14 and a solenoid valve control switch (not shown in the figure), the in-tank solenoid valve 14 is connected to the solenoid valve control switch, and the in-tank solenoid valve 14 is disposed at the other end of the second conduit 9. In an alternative embodiment, the solenoid control switch may be a manual control switch, such as a foot switch, and the like, and is used for controlling the open and closed states of the in-tank solenoid valve 14, including an open state and a closed state. The in-tank solenoid valve 14 is used for blocking the target drug from being transported from the second catheter 9 to the injection segment inner tube in a closed state, and for allowing the target drug to be transported from the second catheter 9 to the injection segment inner tube in an open state. In practical use, when the in-tank solenoid valve 14 is in an open state, the target medicine flows into the second catheter 9 from the lower end of the second catheter 9 by the extrusion of compressed air and gradually flows into the injection section inner tube, thereby ejecting the target medicine through the ejection holes.
In addition, fig. 7 also illustrates that the positive pressure sealing cover 8 is provided with a sealing ring 15 and a vacuum sealing locking structure 16 to ensure that the positive pressure tank body is in a sealing state, so as to better provide positive pressure power for the liquid supplementing and bolt breaking functions. In practical applications, the structure of the negative pressure sealing cover 5 may refer to the positive pressure sealing cover 8, which is not described in detail in the embodiments of the present invention.
Further, fig. 7 also illustrates that the positive pressure tank 7 is further reserved with a positive pressure sensor interface 17 and a positive compressed air interface 18. Similarly, the negative pressure tank 4 is also reserved with a negative pressure sensor interface and a negative compressed air interface.
In an embodiment, referring to a schematic structural diagram of a casing shown in fig. 8, the dual-pressure plug extraction device further includes a casing 19 disposed outside the dual-pressure power source 1, the casing 19 is provided with a negative limit mounting post 20 and a positive limit mounting post 21, the negative limit mounting post 20 is provided with a negative pressure sensor interface 22 and a negative compressed air interface 23, the positive limit mounting post 21 is provided with a positive pressure sensor interface 17 and a positive compressed air interface 18, the negative pressure tank 4 is provided with a negative installation limiting groove, the positive pressure tank 7 is provided with a positive installation limiting groove 25, taking the positive pressure tank as an example, referring to a schematic structural diagram of another fluid supplementing plug structure shown in fig. 9, and fig. 9 illustrates that the positive pressure tank 7 is provided with a positive installation limiting groove 25.
On the basis of the aforementioned fig. 8 and fig. 9, the embodiment of the present invention provides a fixing manner between the plug extraction structure 2, the fluid infusion and breaking structure 3, and the dual pressure power source 1. Specifically, the method comprises the following steps:
(1) the negative limit mounting post 20 is clamped with the negative mounting limit groove; the double-pressure power source 1 is also used for extracting air in the negative pressure tank 4 through the negative compressed air interface 23 to enable the interior of the negative pressure tank 4 to be in a negative pressure state; the negative pressure sensor interface 22 is used for installing a negative pressure sensor, and the negative pressure sensor is used for collecting a negative pressure value in the negative pressure tank body 4. In practical application, the air inside the negative pressure tank 4 flows out through the negative compressed air interface 23, so that the inside of the negative pressure tank 4 is in a negative pressure state, the negative pressure value inside the negative pressure tank 4 is increased along with the increase of the air outflow, and the negative pressure value inside the negative pressure tank 4 can be acquired through the negative pressure sensor.
(2) The positive limit mounting column 21 is clamped with the positive mounting limit groove 25; the dual-pressure power source 1 is also used for conveying the extracted air into the positive-pressure tank body 7 through the positive compressed air interface 18, so that the interior of the positive-pressure tank body 7 is in a positive pressure state; the positive pressure sensor interface 17 is used for installing a positive pressure sensor, and the positive pressure sensor is used for acquiring a positive pressure value in the positive pressure tank body 7. In practical application, air extracted from the inside of the negative pressure tank 4 flows into the inside of the positive pressure tank 7 through the positive compressed air interface 18, so that the inside of the positive pressure tank 7 is in a positive pressure state, the positive pressure value inside the positive pressure tank 7 is increased along with the increase of the inflow amount of the air, and the positive pressure value inside the positive pressure tank 7 can be acquired through the positive pressure sensor.
In one embodiment, the dual pressure slug extraction device further includes a negative pressure cue light 26, a positive pressure cue light 27, a power switch 28, and a ring shaped cue light 29. With continued reference to fig. 5, the negative pressure indicator light 26 and the positive pressure indicator light 27 are disposed on the housing 19. In practical applications, the negative pressure indicator lamp 26 is used to provide a negative pressure value matching indicator light, and the positive pressure indicator lamp 27 is used to provide a positive pressure value matching indicator light, where the indicator light may include a red light, a yellow light, and a green light. Illustratively, for the negative pressure warning light 26, when the negative pressure value is in the first pressure range, the current negative pressure value in the negative pressure tank 4 can be prompted to be lower through red light, when the negative pressure value is in the second pressure range, the pressure energy can be prompted through yellow light, when the negative pressure value is in the third pressure range, the current negative pressure value in the negative pressure tank 4 can be prompted to reach the first pressure threshold value through green light, and at this time, the blood sample can be extracted through the bolt-shaped object extraction structure. Illustratively, to positive pressure warning light 27, when the positive pressure value is in the fourth pressure range, the current positive pressure value of the inside of the positive pressure jar body 7 of accessible red light suggestion is lower, when the positive pressure value is in the fifth pressure range, accessible yellow light suggestion pressure energy storage, when the positive pressure value is in the sixth pressure range, can reach the second pressure threshold value through the current positive pressure value of the inside of the green light suggestion positive pressure jar body 7, usable liquid supplementation bolt breaking structure sprays target medicine this moment. In practical applications, the pressure range and the pressure threshold may be set based on actual requirements, which is not limited in the embodiment of the present invention.
With continued reference to fig. 5, the power switch 28 and the annular notification light 29 are disposed on the housing. In practical application, the power switch 28 is used for controlling the operation state of the double-pressure bolt-shaped object extraction device, and the annular prompting lamp 29 is used for providing a prompting lamp light corresponding to the operation state. Wherein the operating state includes an on state and an off state, the power switch 28 may be used to control the operation of the entire device.
In an optional implementation manner, the plug-shaped object extracting structure 2 provided in the embodiment of the present invention is further provided with a negative pressure air path interface, and the fluid infusion and breaking structure 3 is further provided with a positive pressure air path interface. Specifically, the negative pressure air path interface is used for connecting an external negative pressure air path source to provide negative pressure power for the bolt-shaped object extraction structure 2 through the external negative pressure air path source. The positive pressure gas circuit interface is used for connecting an external positive pressure gas circuit source so as to provide positive pressure power for the fluid infusion bolt breaking structure 3 through the external positive pressure gas circuit source. In practical application, when the dual-pressure power source 1 is not started, positive pressure power can be provided for the liquid supplementing and bolt breaking structure 3 through an external positive pressure gas circuit source, and negative pressure power can be provided for the bolt extracting structure through an external negative pressure gas circuit source.
According to the double-pressure plug-shaped object extraction device provided by the embodiment of the invention, the fluid infusion broken plug structure 3 and the plug-shaped object extraction structure 2 are integrated, so that a better fluid infusion suction effect can be achieved, and kidney injury caused in the suction process can be avoided. In addition, the double-pressure plug-shaped object extraction device has the advantages of small volume, convenience in carrying, low cost and the like.
As for the dual-pressure plug extraction device provided in the foregoing embodiment, an embodiment of the present invention further provides a control method of a dual-pressure plug extraction device, which is applied to the dual-pressure plug extraction device provided in the foregoing embodiment, referring to a flowchart of the control method of the dual-pressure plug extraction device shown in fig. 10, the method mainly includes the following steps S1002 to S1004:
and step S1002, providing negative pressure power for the plug-shaped object extraction structure and providing positive pressure power for the liquid supplementing and bolt breaking structure through the double-pressure power source. In one embodiment, air can be extracted from the negative pressure tank of the plug extraction structure through a positive and negative pressure compressor, so that the inside of the negative pressure tank is in a negative pressure state, which is equivalent to providing negative pressure power required by the plug extraction function; and the extracted air is conveyed to a positive pressure tank body of the liquid supplementing plug structure through a negative pressure compressor, so that the interior of the positive pressure tank body is in a positive pressure state, which is equivalent to providing required positive pressure power for the liquid supplementing plug function.
Step S1004, when the negative pressure power meets a first pressure condition, providing a plug-shaped object extraction function through a plug-shaped object extraction structure; and when the positive pressure power meets the second pressure condition, providing a fluid supplementing and bolt breaking function through the fluid supplementing and bolt breaking structure. In one embodiment, when the negative pressure value inside the negative pressure tank body reaches a first pressure threshold value, the negative pressure power can be determined to meet a first pressure condition, and a suction hole of the suction catheter is prompted to draw a blood sample from a lesion position of a patient, so that a plug-shaped object extraction function is realized; and when the positive pressure value in the positive pressure tank body reaches a second pressure threshold value, the positive pressure power can be determined to meet a second pressure condition, and the target medicine contained in the positive pressure tank body can be extruded into the inner tube of the jetting section of the suction catheter to be jetted, so that the liquid supplementing and thrombus breaking functions are realized.
According to the control method of the double-pressure plug-shaped object extraction device provided by the embodiment of the invention, the double-pressure power source is utilized to respectively provide negative pressure power for the plug-shaped object extraction structure and positive pressure power for the liquid supplementing and bolt breaking structure, when the negative pressure power meets a first pressure condition, the plug-shaped object extraction function can be provided through the plug-shaped object extraction structure, and when the positive pressure power meets a second pressure condition, the liquid supplementing and bolt breaking function can be provided through the liquid supplementing and bolt breaking structure.
In order to facilitate understanding of the foregoing step S1002, the embodiment of the present invention further provides an implementation manner of providing negative pressure power for the plug-extracting structure and providing positive pressure power for the fluid replacement plug structure through the dual pressure power source, wherein air inside the negative pressure tank in the plug-extracting structure may be extracted through the dual pressure power source to provide negative pressure power for the plug-extracting structure, and the extracted air is delivered to inside the positive pressure tank in the fluid replacement plug structure to provide positive pressure power for the fluid replacement plug structure. In a specific implementation, reference may be made to the foregoing embodiments, and details of the embodiments of the present invention are not described herein.
In addition, an embodiment of the present invention further provides an implementation manner of determining whether the negative pressure power satisfies the first pressure condition, specifically, if the negative pressure value inside the negative pressure tank is greater than a preset first pressure threshold, it is determined that the negative pressure power satisfies the first pressure condition. In practical application, the negative pressure sensor can be used for collecting a negative pressure value inside the negative pressure tank body, and when the negative pressure value reaches a first pressure threshold value, the negative pressure power is determined to meet a first pressure condition. Similarly, the embodiment of the present invention further provides an implementation manner for determining whether the positive pressure power satisfies the second pressure condition, and specifically, if the positive pressure value inside the positive pressure tank is greater than the preset second pressure threshold, it is determined that the positive pressure power satisfies the second pressure condition. In practical application, the positive pressure sensor can be used for collecting the positive pressure value inside the positive pressure tank body, and the positive pressure power is determined to meet the second pressure condition when the positive pressure value reaches the second pressure threshold value.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the control method for the dual-pressure plug-shaped object extraction device described above may refer to the corresponding process in the foregoing embodiment, and is not described herein again.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A dual pressure plug extraction device, comprising: the device comprises a double-pressure power source, a bolt-shaped object extraction structure and a liquid supplementing broken bolt structure, wherein the bolt-shaped object extraction structure and the liquid supplementing broken bolt structure are respectively connected with the double-pressure power source; wherein the content of the first and second substances,
the double-pressure power source is used for providing negative pressure power for the plug-shaped object extraction structure and providing positive pressure power for the liquid supplementing and bolt breaking structure;
the plug-shaped object extraction structure is used for providing a plug-shaped object extraction function when the negative pressure power meets a first pressure condition;
the fluid infusion bolt breaking structure is used for providing a fluid infusion bolt breaking function when the positive pressure power meets a second pressure condition;
the double-pressure plug-shaped object extraction device further comprises a suction catheter, the suction catheter comprises a suction hole, a suction pipe, a jet hole and a jetting section inner pipe, the plug-shaped object extraction structure comprises a negative pressure tank body, a negative pressure sealing cover and a first catheter, and the liquid supplementing and plug breaking structure comprises a positive pressure tank body, a positive pressure sealing cover and a second catheter; wherein the content of the first and second substances,
one end of the first conduit extends into the negative pressure tank body through the negative pressure sealing cover, the other end of the first conduit is connected with the suction pipe, and the suction pipe is connected with the suction hole; the suction hole is used for drawing a blood sample, the suction pipe is used for transmitting the blood sample to the negative pressure tank body through the first conduit, and the negative pressure tank body is used for containing the blood sample;
one end of the second conduit extends into the positive pressure tank body through the positive pressure sealing cover, the other end of the second conduit is connected with the injection section inner tube, and the injection section inner tube is connected with the injection hole; the positive pressure tank body is used for containing target medicines to be sprayed, the second catheter is used for conveying the target medicines to the injection section inner tube, the injection section inner tube is used for conveying the target medicines to the injection holes, and the injection holes are used for injecting the target medicines.
2. The dual-pressure plug extraction device of claim 1, further comprising a housing disposed outside the dual-pressure power source, the housing being provided with a negative limit mounting post and a positive limit mounting post, the negative limit mounting post being provided with a negative pressure sensor interface and a negative compressed air interface, the positive limit mounting post being provided with a positive pressure sensor interface and a positive compressed air interface, the negative pressure tank being provided with a negative installation limit groove, the positive pressure tank being provided with a positive installation limit groove; wherein the content of the first and second substances,
the negative limiting mounting column is clamped with the negative mounting limiting groove; the double-pressure power source is also used for extracting air in the negative pressure tank body through the negative compressed air interface so as to enable the interior of the negative pressure tank body to be in a negative pressure state; the negative pressure sensor interface is used for mounting a negative pressure sensor, and the negative pressure sensor is used for collecting a negative pressure value in the negative pressure tank body;
the positive limiting mounting column is clamped with the positive mounting limiting groove; the double-pressure power source is also used for conveying the extracted air into the positive pressure tank body through the positive compressed air interface so as to enable the interior of the positive pressure tank body to be in a positive pressure state; the positive pressure sensor interface is used for installing a positive pressure sensor, and the positive pressure sensor is used for collecting a positive pressure value in the positive pressure tank body.
3. The dual-plug extraction device of claim 1, further comprising a thrombus filter plate, a flow sensor, and signal transfer contacts; wherein the content of the first and second substances,
the thrombus filter plate is arranged at a designated position in the negative pressure tank body and is used for filtering thrombus-shaped objects contained in the blood sample;
the flow sensor is connected with the signal transmission contact, the flow sensor and the signal transmission contact are both arranged at the negative pressure sealing cover, the flow sensor is used for collecting flow data of blood samples, and the signal transmission contact is used for sending the flow data to a specified associated terminal.
4. The dual-pressure plug-shaped object extraction device according to claim 1, wherein an inner tank is further disposed inside the positive pressure tank, one end of the second conduit extends into the inner tank through the positive pressure sealing cover, and the inner tank contains the target drug.
5. The dual-pressure tap extraction device of claim 1, wherein the fluid replacement and bolt breaking structure further comprises an in-tank solenoid valve and a solenoid valve control switch, the in-tank solenoid valve being connected to the solenoid valve control switch, the in-tank solenoid valve being disposed at the other end of the second conduit; wherein the content of the first and second substances,
the electromagnetic valve control switch is used for controlling the opening and closing states of the electromagnetic valve, and the opening and closing states comprise an opening state and a closing state;
the in-tank solenoid valve is used for blocking the target drug from being conveyed from the second catheter to the injection section inner tube in the closed state, and allowing the target drug to be conveyed from the second catheter to the injection section inner tube in the open state.
6. The dual-pressure plug extraction device of claim 2, further comprising a negative pressure cue light and a positive pressure cue light, both disposed on the housing; the negative pressure prompting lamp is used for providing prompting light matched with the negative pressure value, and the positive pressure prompting lamp is used for providing prompting light matched with the positive pressure value;
the double-pressure bolt-shaped object extraction device also comprises a power switch and an annular prompting lamp, wherein the power switch and the annular prompting lamp are arranged on the shell; the power switch is used for controlling the running state of the double-pressure bolt-shaped object extraction device, and the annular prompting lamp is used for providing prompting light corresponding to the running state.
7. The dual pressure embolus extraction device of any of claims 1-6, wherein the embolus extraction structure is further provided with a negative pressure gas path interface, and the fluid infusion and embolus breaking structure is further provided with a positive pressure gas path interface; wherein, the first and the second end of the pipe are connected with each other,
the negative pressure gas circuit interface is used for connecting an external negative pressure gas circuit source so as to provide negative pressure power for the bolt-shaped object extraction structure through the external negative pressure gas circuit source;
the positive pressure gas circuit interface is used for being connected with an external positive pressure gas circuit source so as to provide positive pressure power for the liquid supplementing bolt breaking structure through the external positive pressure gas circuit source.
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| JP2003010194A (en) * | 2001-06-29 | 2003-01-14 | Nippon Clean Engine Lab Co Ltd | Method and device for intravascular operation using catheter adopting reverse injection technology of liquid current |
| WO2019001245A1 (en) * | 2017-06-30 | 2019-01-03 | 微创心脉医疗科技（上海）有限公司 | Mechanical thrombus removal device |
| WO2019024678A1 (en) * | 2017-08-01 | 2019-02-07 | 微创心脉医疗科技（上海）有限公司 | Thrombus removal apparatus |
| WO2020114180A1 (en) * | 2018-12-05 | 2020-06-11 | 上海蓝脉医疗科技有限公司 | Thrombus extraction device and method |
| CN111481262A (en) * | 2020-05-29 | 2020-08-04 | 上海融脉医疗科技有限公司 | Thrombus taking-out catheter structure |
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| US20220168002A1 (en) * | 2019-12-18 | 2022-06-02 | Poseydon Medical, Llc | Aspiration systems, devices and methods for treating ischemic stroke |
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| JP2003010194A (en) * | 2001-06-29 | 2003-01-14 | Nippon Clean Engine Lab Co Ltd | Method and device for intravascular operation using catheter adopting reverse injection technology of liquid current |
| WO2019001245A1 (en) * | 2017-06-30 | 2019-01-03 | 微创心脉医疗科技（上海）有限公司 | Mechanical thrombus removal device |
| WO2019024678A1 (en) * | 2017-08-01 | 2019-02-07 | 微创心脉医疗科技（上海）有限公司 | Thrombus removal apparatus |
| WO2020114180A1 (en) * | 2018-12-05 | 2020-06-11 | 上海蓝脉医疗科技有限公司 | Thrombus extraction device and method |
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