CN114569235A - Liver cancer portal vein cancer embolus capturing device - Google Patents
Liver cancer portal vein cancer embolus capturing device Download PDFInfo
- Publication number
- CN114569235A CN114569235A CN202210241950.8A CN202210241950A CN114569235A CN 114569235 A CN114569235 A CN 114569235A CN 202210241950 A CN202210241950 A CN 202210241950A CN 114569235 A CN114569235 A CN 114569235A
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- cancer
- guide wire
- cancer embolus
- embolus
- portal vein
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1425—Needle
Abstract
The invention discloses a capturing device for a liver cancer portal vein cancer embolus, which comprises a guide wire, an umbrella cover, a suction pipe, a far-end baffle, a suction pipe orifice, an inner pipe, a handle and the like. The guide wire shuttles back and forth in the inner tube, can reach cancer embolus position under the effect of handle, can realize the puncture to cancer embolus. The front end of the umbrella cover is fixed on the guide wire, when the guide wire is pulled backwards, the miniature baffle with the larger diameter is clamped at the opening of the inner tube, the elastic support in the umbrella cover is opened together with the umbrella cover, the cancer embolus is covered in the elastic support, and the cancer embolus is captured. The inner tube is nested in the suction tube with a gap to suck the captured portal cancer embolus out of the body. The far-end baffle is fixed outside the suction pipe, so that the cancer embolus can be blocked, and the escape of cancer cells is prevented. The invention can realize the capture of the portal vein cancer embolus under the condition of avoiding the vascular injury to the maximum extent, and has the advantages of safety, accuracy and simple and convenient operation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a capturing device for liver cancer portal vein cancer embolus.
Background
The portal vein cancer suppository is mainly derived from primary liver cancer, can cause portal hypertension, intractable ascites and the like, and is closely related to postoperative recurrence and metastasis of the liver cancer.
At present, the clinical portal vein intracavity treatment method for the portal vein cancer embolus generally refers to portal vein stent combination125I, implantation of particle strips, portal vein intracavity radiofrequency ablation treatment and the like.
However, the cancer embolus which is affected to the far end of the secondary branch of the portal vein cannot be implanted by a stent, and radio frequency ablation can cause local tissues of the liver to release various cytokines, and the biological cytokines can promote the recurrence and metastasis of tumors and the cancer embolus, so that the method has certain limitation in the treatment of the portal vein cancer embolus. Therefore, if the device capable of capturing the portal cancer embolus in the portal vein cavity can be invented, the tissue damage and the cancer embolus recurrence risk caused by radiofrequency ablation can be avoided, the problem that the stent cannot be implanted in some cases can be solved, and a new idea is provided for portal vein cavity treatment of the portal cancer embolus.
Disclosure of Invention
The invention aims to provide a capturing device for portal vein cancer embolus of liver cancer, which can capture the portal vein cancer embolus under the condition of avoiding blood vessel damage, dredge the blood vessel, relieve portal hypertension and other liver cancer complications caused by the portal vein cancer embolus, and has the advantages of safety, accuracy and simple operation.
The purpose of the invention is realized by the following technical scheme:
the invention provides a capturing device for a hepatic carcinoma portal vein cancer embolus, which comprises an umbrella cover (1), a suction pipe (2), a far-end baffle (3), a suction pipe opening (5), an inner pipe (4), a handle (6), a guide wire (7) and the like. The inner tube (4) is connected with the handle (6) through a groove, a guide wire (7) penetrates through the hollow columnar structure, and the guide wire (7) can move back and forth in the inner tube (4);
furthermore, the handle (6) is composed of a bottom plate (61), a hydraulic rod (62), a cover plate (63), a latch (64), a shaft (65) and a support frame (66). The front end of the cover plate (63) is connected with the support frame (66) through a shaft (65), the rear end of the cover plate (63) is connected with the hydraulic rod (62) through the shaft (65), and the bottom ends of the support frame (66) and the hydraulic rod (62) are fixed on the bottom plate (61). The lower end of the cover plate (63) is fixed with a latch (64), and in the process of pressing the hydraulic rod (62), the latch (64) pushes the guide wire (7) forwards under the extrusion action, so that the guide wire (7) is delivered to the cancer embolus position, and the accuracy of capturing the cancer embolus is realized. A semicircular groove is formed in the middle of the bottom plate (61), the front half part of the groove is used for fixing the inner tube (4), and the rear half part of the groove is used for pushing the guide wire (7);
furthermore, a conical electrotome (741) and a micro conductive wire (742) are arranged on a guide wire head (74) at the front end of the guide wire (7), and the conical electrotome (741) can puncture the cancer embolus under the action of current. The rear end of the thread guide head (74) is provided with an umbrella cover (1), and an elastic support (71) is arranged inside the umbrella cover (1). The front end of the elastic bracket (71) is fixed on the guide wire (7), a micro spring (72) is arranged in the elastic bracket to maintain the closing state of the umbrella cover (1) and the elastic bracket (71) in the forward pushing process, and an annular micro baffle (73) at the rear end can slide on the guide wire. When the guide wire (7) is pulled backwards, the micro baffle (73) with larger diameter is clamped at the opening of the inner tube (4), the elastic bracket (71) is opened together with the umbrella cover (1) to cover the cancer embolus in the elastic bracket, so that the cancer embolus is captured;
furthermore, the far-end baffle (3) is fixed outside the suction tube (2), so that cancer emboli can be blocked, escape of cancer cells can be prevented, the spiral round appearance of the far-end baffle (3) can reduce the pressure of the far-end baffle on the blood vessel wall, and the blood vessel is prevented from being damaged; the baffle plates are provided with cavities with different sizes, so that blood can conveniently pass through, and meanwhile, due to the spiral appearance, the cavities can be subjected to leakage detection and defect filling, and the effectiveness of blocking cancer cells is improved; the outermost circle is in an interrupted arc shape, so that the resistance of the device in moving in a blood vessel cavity can be reduced;
further, the inner tube (4) is nested in the suction tube (2) and is provided with a certain gap so as to suck the captured portal vein cancer embolus out of the body.
The technical scheme of the invention has at least one of the following beneficial effects:
1. the invention realizes the accuracy of capturing the portal vein cancer embolus, reduces the risk of liver cancer complications caused by the cancer embolus, and provides a new scheme for the vascular cavity treatment of the portal vein cancer embolus of the liver cancer.
2. The invention realizes the removal of cancer emboli under minimally invasive conditions, and can effectively avoid the risk of infection after the same type of large-wound operation.
3. The invention realizes the minimization of the blood vessel damage, the far-end baffle of the device adopts a spiral shape, the pressure of the far-end baffle on the inner wall of the blood vessel can be reduced, and the outermost circle of the far-end baffle is in an interrupted circle shape, so that the friction force between the far-end baffle and the inner wall of the blood vessel can be reduced.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
FIG. 1 is an external view of the present invention;
FIG. 2 is a schematic view of the canopy of the present invention;
FIG. 3 is a schematic view of the handle of the present invention;
fig. 4 is a schematic view of a guidewire of the present invention.
Reference numerals
1-umbrella cover; 2-a suction pipe; 3-a distal baffle; 4-inner tube; 5-suction nozzle; 6-a handle; 7-a guide wire; the handle part (61-bottom plate, 62-hydraulic rod, 63-cover plate, 64-latch, 65-shaft, 66-support frame); portions of the guide wire (71-elastic support, 72-micro spring, 73-micro baffle, 74-godet, 741-conical electrotome, 742-micro conductive wire).
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention and not to limit its scope. In the description of the embodiments of the present invention, it should be noted that the term "connected" is to be understood broadly, and may be, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection via an intermediate medium, unless otherwise specifically stated or limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "forward", "rearward", and "within … …" as used throughout the description are relative positions with respect to components of the device, such as the inward and outward relative positions of the canopy 1 and flexible mount 71 in the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the cancer embolus taking device comprises an umbrella cover (1), a suction pipe (2), a far-end baffle (3), an inner pipe (4), a suction pipe orifice (5), a handle (6) and a guide wire (7). Wherein, integrated into one piece or processing have on suction tube (2) and hold the chamber, and the both ends of suction tube (2) all communicate with the outside, and the front end of suction tube (2) is towards the blood vessel distal end, and the other end is the rear end, links to each other with suction pipe mouth (5), connects suction device after. The suction tube (2) is arranged to be placed inside the portal vein, specifically, the diameter of the suction tube (2) is set to be smaller than the inner diameter of a conduit (such as a blood vessel) of a tumor patient, wherein the conduit is provided with a cancer embolus, specifically, the diameter can be set to be 8mm-20mm according to needs, the suction tube (2) has certain strength and cannot deform, the suction tube (2) can be made of plastic which has certain strength and is not easy to deform according to needs, and for example, the suction tube can be made of TPE (thermoplastic elastomer) materials; the inner pipe (4) is movably sleeved in the accommodating cavity of the suction pipe (2) and can extend out of the suction pipe (2) from the front end and/or the rear end of the suction pipe (2), and the length of the inner pipe (4) is greater than that of the suction pipe (2); the inner tube (4) is integrally formed or processed with an accommodating cavity which can be used for accommodating a guide wire (7), the outer diameter of the inner tube (4) is smaller than the inner diameter of the suction tube (2), and a certain gap is reserved so as to suck the captured portal vein cancer embolus out of the body; the guide wire (7) is movably sleeved in the second accommodating cavity of the inner tube (4) and can extend out of the inner tube (4) from the front end and/or the rear end of the inner tube (4), and the length of the guide wire (7) is larger than that of the inner tube (4).
Furthermore, the movement of the guide wire (7) is controlled by a handle (6), and the handle (6) is composed of a bottom plate (61), a hydraulic rod (62), a cover plate (63), a latch (64), a shaft (65) and a support frame (66). A semicircular groove is formed in the middle of the bottom plate (61), the front half part of the groove is used for fixing the inner tube (4), and the rear half part of the groove is used for pushing the guide wire (7); the front end of the cover plate (63) is connected with the shaft (65) and the supporting frame (66), the rear end of the cover plate (63) is connected with the hydraulic rod (62) through the shaft (65), and the bottom ends of the supporting frame (66) and the hydraulic rod (62) are fixed on the bottom plate (61). The lower end of the cover plate (63) is fixed with a latch (64), and in the process of pressing the hydraulic rod (62), the latch (64) pushes the guide wire (7) forwards under the extrusion action, so that the guide wire (7) is delivered to the cancer embolus position, and the accuracy of capturing the cancer embolus is realized.
Furthermore, a conical electrotome (741) and a micro conductive wire (742) are arranged on a guide wire head (74) at the front end of the guide wire (7), and the conical electrotome (741) can generate electric sparks under the effect of point discharge to realize cauterization and puncture of the cancer embolus.
Furthermore, an umbrella cover (1) and an elastic support (71) are fixed on the guide wire (7), and specifically, the elastic support (71) is in the shape of an umbrella rib and consists of a plurality of foldable mechanical rods. The front end (711) of the elastic support is fixed on the guide wire (7), the rear end (712) of the elastic support is fixed on the miniature baffle (73), the guide wire (7) penetrates through the interior of the elastic support (71) and is wound by the miniature spring (72), and the original length of the miniature spring (72) is equivalent to the distance from the front end (711) to the rear end (712) of the elastic support (71) in the closed state. The miniature baffle (73) is an annular cylinder and can freely slide back and forth on the guide wire (7), specifically, the outer diameter of the miniature baffle (73) is slightly larger than the inner diameter of the inner tube (4), and the inner diameter of the miniature baffle (73) is slightly smaller than the diameter of the miniature spring (72); therefore, when the guide wire (7) moves backwards, the micro baffle (73) and the micro spring (72) are clamped at the front end opening of the inner tube (4), the micro spring (72) is pressed to contract, the distance between the front end (711) of the elastic support and the rear end (712) of the elastic support is reduced, the mechanical rod in the elastic support (71) is gradually folded, the umbrella cover (1) is opened into a net pocket shape under the mechanical action, and the cancer embolus is covered in the umbrella cover to capture the cancer embolus.
Preferably, the position of the front end (711) of the elastic bracket fixed on the guide wire (7) is at least separated from the front end opening of the inner tube (4) by the original length of the micro spring (72), and the position of the umbrella cover (1) fixed on the guide wire (7) is slightly closer to the position of the canceration plug than the front end (711) of the elastic bracket, so that the umbrella cover (1) can be completely opened when the elastic bracket (71) is fully folded.
Furthermore, the far-end baffle (3) is fixed outside the suction tube (2) and is closely attached to the inner wall of the blood vessel. The far-end baffle (3) is of a net structure and has a spiral appearance, and can block two ends of the falling cancer embolus together with the umbrella cover (1) and prevent the cancer embolus from spreading to the far end to form a far-end embolism. The spiral appearance of the far-end baffle (3) can increase the pressed area of the blood vessel wall, reduce the pressure, avoid damaging the blood vessel to break, and the far-end baffle (3) has a multilayer spiral structure, can check and repair the fallen cancer embolus, and increase the effectiveness of blocking the cancer embolus; have the cavity of not uniform size on the baffle, the blood of being convenient for passes through, and outermost circle is intermittent circular-arc, can reduce the resistance of this device when removing in the vascular cavity and avoid the damage to the vascular wall.
When the cancer embolus taking device is used, firstly, the cancer embolus can be positioned through B ultrasonic or X ray, then, in the process of minimally invasive surgery, the guide wire (7) is pushed forwards by pressing the hydraulic rod (62) and utilizing the extrusion effect of the latch (64), and the guide wire (7) is delivered to the cancer embolus position; then, a conical electrotome (741) on a wire guide head (74) at the front end of the guide wire (7) generates electric sparks under the effect of point discharge to realize cauterization and puncture of the cancer embolus; then, the hydraulic rod (62) is continuously pressed, the guide wire (7) is pushed forwards by utilizing the extrusion action of the latch (64), the guide wire (7) drives the umbrella cover (1) to pass through the cancer embolus together, at the moment, the umbrella cover (1) and the elastic bracket (71) are both in a contraction state, the appearance is small, so that the guide wire (7) and the umbrella cover (1) cannot damage the cancer embolus when passing through the cancer embolus, and the cancer embolus and the tube wall on which the cancer embolus grows are separated or scattered in advance; then, the guide wire is pulled backwards through the handle (6) until the micro baffle (73) and the micro spring (72) are clamped at the front end opening of the inner tube (4), the micro spring (72) is pressed to contract, the distance between the front end (711) of the elastic support and the rear end (712) of the elastic support is reduced, the mechanical rod in the elastic support (71) is gradually folded, the umbrella cover (1) is changed from a contracted state to an initial unfolded state under the mechanical action until the inner diameter of the opening of the umbrella cover (1) is larger than the diameter of the cancer embolus, the unfolded umbrella cover (1) is positioned at the front end of the cancer embolus, so that when the umbrella cover (1) is driven by the guide wire (7) to move towards the side where the cancer embolus is located, the umbrella cover (1) can cover the front end of the cancer embolus to cover the cancer embolus, and capture of the cancer embolus is achieved. Then, the umbrella cover (1) is driven to move towards the front end opening of the inner tube (4) through the guide wire (7), and at the moment, the far-end baffle (3) and the umbrella cover (1) together realize the plugging of two ends of the falling cancer embolus, so that the cancer embolus is prevented from spreading to the far end to form a far-end embolism; next, the suction is carried out, and under the action of a suction device connected with the suction nozzle (5), cancer embolus particles are sucked out of the blood vessel through a containing cavity between the inner wall of the suction pipe (2) and the outer wall of the inner pipe (4) and leave the outside of the body through the suction nozzle (5).
Preferably, the diameter of the umbrella cover (1) and the far-end baffle (3) in the unfolding state ranges from 8mm to 20 mm. Therefore, even if cancer emboli grow in blood vessels with small diameters such as portal vein, superior mesenteric vein, splenic vein and the like, the device can position the cancer emboli by means of B ultrasonic or X ray under the state of not opening the operation, and the cancer emboli can be taken out by using the cancer emboli taking device through minimally invasive surgery, thereby solving the problem that the common instrument is difficult to clamp the cancer emboli with small diameter. Preferably, the umbrella cover (1) and the far-end baffle (3) can be set to be 8mm, 10mm, 12mm, 14mm, 16mm, 20mm and the like to adapt to the tube walls of different diameters of patients, and can also be set to be other specifications according to requirements.
It should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious variations or modifications which fall within the spirit of the invention are intended to be covered by the scope of the present invention.
Claims (8)
1. A capturing device for liver cancer portal vein cancer embolus is characterized by comprising (1) an umbrella cover; (2) a suction tube; (3) a distal baffle; (4) an inner tube; (5) a suction nozzle; (6) a handle; (7) a guidewire.
2. The hepatoma portal vein cancer embolus capturing device of claim 1, wherein the inner tube (4) is connected with the handle (6) through a groove, a guide wire (7) is penetrated in the hollow columnar structure, and the guide wire (7) can move back and forth in the inner tube (4).
3. The hepatoma portal vein cancer embolus capturing device of claim 1, wherein the handle (6) is composed of a bottom plate (61), a hydraulic rod (62), a cover plate (63), a latch (64), a shaft (65) and a support frame (66); the front end of the cover plate (63) is connected with a support frame (66) through a shaft (65), the rear end of the cover plate (63) is connected with the hydraulic rod (62) through the shaft (65), and the bottom ends of the support frame (66) and the hydraulic rod (62) are fixed on the bottom plate (61); the lower end of the cover plate (63) is fixed with a latch (64), and in the process of pressing the hydraulic rod (62), the latch (64) pushes the guide wire (7) forwards under the extrusion action, so that the guide wire (7) is delivered to the cancer embolus position, and the accuracy of capturing the cancer embolus is realized.
4. The capturing device of the thrombus of the hepatic portal vein cancer according to claim 1, wherein the middle part of the bottom plate (61) is provided with a semicircular groove, the front half part of the groove is used for fixing the inner tube (4), and the rear half part of the groove is used for advancing the guide wire (7).
5. The hepatoma portal cancer embolus capturing device of claim 1, characterized in that a conical electric knife (741) and a micro conductive wire (742) are arranged on a guide wire head (74) at the front end of the guide wire (7), and the conical electric knife (741) can puncture the cancer embolus under the action of current.
6. The hepatoma portal vein cancer embolus capturing device of claim 1, wherein the rear end of the guide wire head (74) is provided with an umbrella cover (1), and an elastic bracket (71) is arranged inside the umbrella cover (1); the front end of the elastic bracket (71) is fixed on the guide wire (7), a micro spring (72) is arranged in the elastic bracket to maintain the closing state of the umbrella cover (1) and the elastic bracket (71) in the forward propelling process, and an annular micro baffle (73) at the rear end can slide on the guide wire; when the guide wire (7) is pulled backwards, the micro baffle (73) with larger diameter is clamped at the opening of the inner tube (4), the elastic bracket (71) is opened together with the umbrella cover (1) to cover the cancer embolus in the inner tube, and the cancer embolus is captured.
7. The capturing device of the hepatic carcinoma portal vein cancer embolus according to claim 1, wherein the far-end baffle (3) is fixed outside the suction tube (2) to realize the blocking of the cancer embolus and prevent the escape of cancer cells, and the spiral round appearance of the far-end baffle (3) can reduce the pressure of the spiral round appearance on the blood vessel wall to avoid damaging the blood vessel; the baffle plates are provided with holes with different sizes, so that blood can conveniently pass through the baffle plates, and meanwhile, the holes can be checked for leakage and filled due to the spiral appearance of the baffle plates, so that the effectiveness of blocking cancer cells is improved; the outermost circle is in an intermittent arc shape, so that the resistance of the device in moving in the blood vessel cavity can be reduced.
8. The capturing device for the portal vein cancer embolus of the liver cancer according to claim 1, wherein the inner tube (4) is nested in the suction tube (2) with a certain gap left, so as to suck the captured portal vein cancer embolus out of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210241950.8A CN114569235B (en) | 2022-03-11 | 2022-03-11 | Hepatic carcinoma portal vein cancer suppository capturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210241950.8A CN114569235B (en) | 2022-03-11 | 2022-03-11 | Hepatic carcinoma portal vein cancer suppository capturing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114569235A true CN114569235A (en) | 2022-06-03 |
| CN114569235B CN114569235B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210241950.8A Active CN114569235B (en) | 2022-03-11 | 2022-03-11 | Hepatic carcinoma portal vein cancer suppository capturing device |
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| CN (1) | CN114569235B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277064A (en) * | 1999-06-10 | 2000-12-20 | 上海东方肝胆外科医院 | Supersonic melting system for treating liver cancer and portal vein cancer |
| CN109350181A (en) * | 2018-11-21 | 2019-02-19 | 中国医科大学 | A kind of taking thrombus device |
| CN110801268A (en) * | 2019-11-11 | 2020-02-18 | 广州华科盈医疗科技有限公司 | Cancer embolus taking device |
| CN213526752U (en) * | 2020-05-25 | 2021-06-25 | 四川大学华西医院 | Spinal abscess puncture drainage washing unit |
| US20220054153A1 (en) * | 2020-08-22 | 2022-02-24 | Sheri Albers | Device and method for treatment of deep vein thrombosis and pulmonary embolism |
-
2022
- 2022-03-11 CN CN202210241950.8A patent/CN114569235B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277064A (en) * | 1999-06-10 | 2000-12-20 | 上海东方肝胆外科医院 | Supersonic melting system for treating liver cancer and portal vein cancer |
| CN109350181A (en) * | 2018-11-21 | 2019-02-19 | 中国医科大学 | A kind of taking thrombus device |
| CN110801268A (en) * | 2019-11-11 | 2020-02-18 | 广州华科盈医疗科技有限公司 | Cancer embolus taking device |
| CN213526752U (en) * | 2020-05-25 | 2021-06-25 | 四川大学华西医院 | Spinal abscess puncture drainage washing unit |
| US20220054153A1 (en) * | 2020-08-22 | 2022-02-24 | Sheri Albers | Device and method for treatment of deep vein thrombosis and pulmonary embolism |
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| Publication number | Publication date |
|---|---|
| CN114569235B (en) | 2023-05-16 |
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