CN214805124U - Thrombus taking device for pulmonary artery embolism - Google Patents
Thrombus taking device for pulmonary artery embolism Download PDFInfo
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- CN214805124U CN214805124U CN202023313464.8U CN202023313464U CN214805124U CN 214805124 U CN214805124 U CN 214805124U CN 202023313464 U CN202023313464 U CN 202023313464U CN 214805124 U CN214805124 U CN 214805124U
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Abstract
The utility model relates to a thrombus taking device for pulmonary artery embolism, which comprises a thrombus taking net rack; the utility model relates to a get thrombus rack, the utility model relates to a get thrombus device can be better identical with the blood vessel size, and more firm and thrombus gomphosis, takes out newly formed acute and old thrombus with the left end of welding with the propelling movement seal wire and be connected, the right-hand member of propelling movement seal wire sets up in the seal wire twister, the cover is equipped with little pipe on the propelling movement seal wire slidably, the cover is equipped with middle pipe on the little pipe slidably, the cover is equipped with guide catheter on the middle pipe slidably, little pipe is connected with first Y type connector through luer connector, middle pipe is connected with second Y type connector through luer connector, guide catheter is connected with third Y type connector through luer connector, guide catheter is connected with the second syringe through three-way valve and second Y type connector, it has got the thrombus rack protective sheath to cover to get to overlap on the thrombus rack, the utility model relates to a get thrombus device can be better with blood vessel size is identical, and more firm with thrombus gomphosis, takes out newly formed acute and old thrombus.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to get and tie device for pulmonary artery embolism.
Background
Most of the existing thrombus extraction net racks in the market are used for treating intracranial thrombus, for example: the encephalic thrombus taking-out device disclosed in the Chinese patent CN203379185U comprises a thrombus taking net rack capable of expanding and contracting radially, when the encephalic thrombus taking device is used, the thrombus taking net rack is placed in a micro catheter, the thrombus taking net rack is connected with a guide wire, the micro catheter is conveyed to a thrombus position, then the micro catheter is removed, the thrombus taking net rack is released without the limitation of the micro catheter and is embedded into thrombus to form a retention force between the thrombus and the guide wire, then the guide wire is pulled, the thrombus taking net rack is taken out from a blood vessel, the thrombus is also taken out from the blood vessel along with the thrombus taking net rack, and a thrombus taking process is completed.
Pulmonary embolism (pulmonyenbolism) refers to a pathological and clinical state caused by an impaction object entering a pulmonary artery and branches thereof and blocking blood supply to tissues. The common embolus is thrombus, and the rest is pulmonary vessel blockage caused by rare new biological cells, fat drops, air bubbles, drug particles infused in veins and even the head end of a catheter. Some pulmonary emboli can dissolve themselves without treatment, but studies have found that the mortality rate of untreated pulmonary emboli patients can exceed 20%. The conventional treatment methods for thromboembolism are anticoagulant treatment and thrombolytic treatment, which cannot achieve good treatment effect and have many limitations on the state of patients.
At present, the therapeutic means of pulmonary artery embolism apparatus is balloon expansion, which expands the narrow or blocked pulmonary artery to improve the blood flow passing ability, and no thrombus extraction device is applied to the pulmonary artery.
SUMMERY OF THE UTILITY MODEL
The utility model provides a thrombus taking device for pulmonary artery embolism aiming at the defects of the prior art, and the utility model adopts the following technical scheme that the thrombus taking device comprises a thrombus taking net rack, a push guide wire, a guide wire twister, a micro-catheter, an intermediate catheter, a guide catheter, a first Y-shaped connector, a second Y-shaped connector, a third Y-shaped connector, a luer connector, a first syringe, a second syringe and a three-way valve; the thrombus taking net rack is connected with the left end of the pushing guide wire through welding, the guide wire twister is arranged at the right end of the pushing guide wire, the micro catheter is slidably sleeved on the pushing guide wire, the middle catheter is slidably sleeved on the micro catheter, the guiding catheter is slidably sleeved on the middle catheter, the first Y-shaped connector is connected with the micro catheter through a luer connector, the second Y-shaped connector is connected with the middle catheter through a luer connector, the third Y-shaped connector is connected with the guiding catheter through a luer connector, the first syringe is connected with the guiding catheter through a three-way valve and a third Y-shaped connector, and the second syringe is connected with the middle catheter through a three-way valve and a second Y-shaped connector.
Further, the thrombus taking device for pulmonary artery embolism further comprises a thrombus taking net rack protective sleeve, and the thrombus taking net rack protective sleeve is sleeved on the outer side of the thrombus taking net rack.
Further, luer connectors are arranged at the right ends of the micro catheter, the middle catheter and the guide catheter.
Further, the first Y-connector includes a first Y-connector side branch and a first hemostasis valve, the second Y-connector includes a second Y-connector side branch and a second hemostasis valve, and the third Y-connector includes a third Y-connector side branch and a third hemostasis valve.
Further, the second Y-shaped connector side branch is connected with the second injector through a three-way valve, and the third Y-shaped connector side branch is connected with the first injector through a three-way valve.
Further, a first hemostasis valve is arranged at the left end of the guide wire twister, a second hemostasis valve is arranged at the left end of the micro-catheter, and a third hemostasis valve is arranged at the left end of the middle catheter.
Furthermore, the diameter of the pushing guide wire is gradually increased from the left end to the right end, the diameter of the left end of the pushing guide wire is 0.3mm, and the diameter of the right end of the pushing guide wire is 0.46 mm.
Furthermore, a gap of 0.07mm is arranged between the thrombus taking net rack and the micro catheter, a gap of 0.69mm is arranged between the micro catheter and the middle catheter, and a gap of 0.38mm is arranged between the middle catheter and the guide catheter.
Furthermore, a thrombus taking guide head of the thrombus taking net rack is connected with the pushing guide wire through welding, a plurality of thrombus taking meshes are arranged on the thrombus taking net rack, and a plurality of developing mark blocks are arranged on the thrombus taking meshes.
Further, the length of the embolectomy net rack protective sleeve is larger than that of the embolectomy net rack.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a thrombus taking device for pulmonary artery embolism, which comprises a thrombus taking net rack; the thrombus taking net rack is connected with a pushing guide wire by welding, the guide wire twister is arranged at the right end of the pushing guide wire, a micro catheter is sleeved on the pushing guide wire in a sliding manner, a middle catheter is sleeved on the micro catheter in a sliding manner, a guide catheter is sleeved on the middle catheter in a sliding manner, the micro catheter is connected with a first Y-shaped connector by a luer connector, the middle catheter is connected with a second Y-shaped connector by the luer connector, the guide catheter is connected with a third Y-shaped connector by the luer connector, the guide catheter and the middle catheter are respectively connected with an injector by a three-way valve, and a thrombus taking net rack protective sleeve is sleeved outside the thrombus taking net rack; mesh and thrombus gomphosis on the net rack are tied through getting, adopt mechanical means to take out the thrombus of jam in the blood vessel of lung to reach the blood vessel rethread, resume the purpose of blood flow, the development mark of different quantity is designed according to the different designs of specification to the net rack of getting of the device of getting tied of pulmonary artery embolism, gets to tie the net coiled structure of nickel-titanium alloy that the net rack adopted mesh staggered arrangement, can be better identical with the blood vessel size, and more firm with the thrombus gomphosis.
Especially, pulmonary artery embolism gets and ties net rack and the propelling movement seal wire of getting of device and pass through welded connection, can strengthen both joint strength effectively, the propelling movement seal wire adopts the seal wire structure of diameter gradual change, the diameter of propelling movement seal wire right-hand member is 0.46mm, can provide better trafficability characteristic, the diameter of propelling movement seal wire left end is 0.3mm, can provide better propelling movement power, and then take out newly-formed acute and old thrombus, help patient to resume original blood vessel, improve the oxygen content of blood and patient's quality of life.
Drawings
Fig. 1 is a schematic structural view of a thrombus removal device for pulmonary artery embolism according to the present invention;
FIG. 2 is a schematic diagram of the structure of the developing marking block of the present invention;
fig. 3 is the utility model discloses a bolt-removing net rack protective sheath structure sketch map.
Description of reference numerals:
1-luer connector, 2-third Y-shaped connector, 3-third Y-shaped connector side branch, 4-three-way valve, 5-first injector, 6-second Y-shaped connector, 7-second Y-shaped connector side branch, 8-second injector, 9-first Y-shaped connector, 10-first Y-shaped connector side branch, 11-thrombus taking net rack, 12-guide catheter, 13-third hemostatic valve, 14-middle catheter, 15-second hemostatic valve, 16-micro catheter, 17-first hemostatic valve, 18-guide wire twister, 19-pushing guide wire, 20-developing mark block, 21-thrombus taking net rack protective sleeve, 22-thrombus taking guide head and 23-thrombus taking mesh.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and fig. 3, the present embodiment provides an embolectomy device for pulmonary artery embolism, including: the thrombus taking net rack comprises a thrombus taking net rack 11, a pushing guide wire 19, a guide wire twister 18, a micro-catheter 16, an intermediate catheter 14, a guide catheter 12, a first Y-shaped connector 9, a second Y-shaped connector 6, a third Y-shaped connector 2, a luer connector 1, a first injector 5, a second injector 8, a three-way valve 4 and a thrombus taking net rack protective sleeve 21; the thrombus taking net rack 11 is connected with the left end of a pushing guide wire 19 through welding, a guide wire twister 18 is arranged at the right end of the pushing guide wire 19, a micro guide tube 16 is slidably sleeved on the pushing guide wire 19, an intermediate guide tube 14 is slidably sleeved on the micro guide tube 16, a guide tube 12 is slidably sleeved on the intermediate guide tube 14, a first Y-shaped connector 9 is connected with the micro guide tube 16 through a luer connector 1, a second Y-shaped connector 6 is connected with the intermediate guide tube 14 through the luer connector 1, a third Y-shaped connector 2 is connected with the guide tube 12 through the luer connector 1, a first syringe 5 is connected with the guide tube 12 through a three-way valve 4 and a third Y-shaped connector 2, a second syringe 8 is connected with the intermediate guide tube 14 through the three-way valve 4 and the second Y-shaped connector 6, and a thrombus taking net rack protective sleeve 21 is sleeved on the outer side of the thrombus taking net rack 11.
Furthermore, the luer 1 is arranged at the right end of the micro catheter 16, the middle catheter 14 and the guide catheter 12, and is used for connecting the first Y-shaped connector 9 and the micro catheter 16, the second Y-shaped connector 6 and the middle catheter 14, and the third Y-shaped connector 2 and the guide catheter 12 respectively in sequence.
Further, the first Y-connector 9 comprises a first Y-connector side branch 10 and a first haemostatic valve 17, the second Y-connector 6 comprises a second Y-connector side branch 7 and a second haemostatic valve 15, and the third Y-connector 2 comprises a third Y-connector side branch 3 and a third haemostatic valve 13.
Further, the second Y-connector sidebranch 7 is connected to the second syringe 8 through the three-way valve 4, and the third Y-connector sidebranch 3 is connected to the first syringe 5 through the three-way valve 4.
Further, a first hemostasis valve 17 is disposed at the left end of the guide wire twister 18, a second hemostasis valve 15 is disposed at the left end of the microcatheter 16, and a third hemostasis valve 13 is disposed at the left end of the middle catheter 14.
Further, the diameter of the pushing guide wire 19 is gradually increased from the left end to the right end, the diameter of the left end of the pushing guide wire 19 is 0.3mm, and the diameter of the right end of the pushing guide wire 19 is 0.46 mm.
Furthermore, a gap of 0.07mm is arranged between the thrombus extraction net rack 11 and the micro-catheter 16, a gap of 0.69mm is arranged between the micro-catheter 16 and the middle catheter 14, and a gap of 0.38mm is arranged between the middle catheter 14 and the guide catheter 12.
Further, the length of the embolectomy net rack protective sleeve 21 is greater than that of the embolectomy net rack 11, so that the cleanness and integrity of the embolectomy net rack 11 can be effectively protected when the embolectomy net rack is not in operation.
As shown in fig. 2, the thrombus extraction guide head 22 of the thrombus extraction net rack 11 is connected with the pushing guide wire 19 by welding, a plurality of thrombus extraction meshes 23 are arranged on the thrombus extraction net rack 11, a plurality of developing mark blocks 20 are arranged on the thrombus extraction meshes 23, and the positions of the thrombus extraction net rack 11 can be clearly seen by a user through X-ray development of the developing mark blocks 20 when the thrombus extraction net rack is used.
The operation method of the thrombus removal device for pulmonary artery embolism of the present invention is briefly introduced below;
the thrombus taking net rack 11 is compressed in the thrombus taking net rack protective sleeve 21, the thrombus taking net rack protective sleeve 21 is sent to the joint of the microcatheter 16, the thrombus taking net rack 11 is pushed to enter the microcatheter 16, the thrombus taking net rack protective sleeve 21 is taken down, the microcatheter 16 is retracted, the thrombus taking net rack 11 is released, the thrombus taking net rack 11 is fully embedded with thrombus, the thrombus taking net rack 11 and the microcatheter 16 are pulled back as a whole, and thrombus taking is completed.
In a word, the utility model discloses can effectively improve the success rate that snatchs of thrombus, prevent that the thrombus from escaping, can also shorten the operation time, reduce the emergence of complication.
Finally, it should be understood that the above description is only exemplary of the present invention and is not intended to limit the present invention, and that any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An embolectomy device for pulmonary artery embolization, comprising:
the thrombus taking device comprises a thrombus taking net rack (11), a pushing guide wire (19), a guide wire twister (18), a micro catheter (16), a middle catheter (14), a guide catheter (12), a first Y-shaped connector (9), a second Y-shaped connector (6), a third Y-shaped connector (2), a luer connector (1), a first injector (5), a second injector (8) and a three-way valve (4);
the thrombus taking net rack (11) is connected with the left end of the pushing guide wire (19) through welding, the guide wire twister (18) is arranged at the right end of the pushing guide wire (19), the micro catheter (16) is sleeved on the pushing guide wire (19) in a sliding manner, the middle catheter (14) is sleeved on the micro catheter (16) in a sliding manner, and the guiding catheter (12) is sleeved on the middle catheter (14) in a sliding manner;
the first Y-connector (9) is connected with the micro-catheter (16) through the luer connector (1), the second Y-connector (6) is connected with the intermediate catheter (14) through the luer connector (1), and the third Y-connector (2) is connected with the guide catheter (12) through the luer connector (1);
the first syringe (5) is connected with the guide catheter (12) through the three-way valve (4) and the third Y-shaped connector (2);
the second injector (8) is connected with the intermediate conduit (14) through the three-way valve (4) and the second Y-shaped connector (6).
2. The thrombus removal device for pulmonary artery embolism according to claim 1, further comprising a thrombus removal net rack protective sleeve (21), wherein the thrombus removal net rack protective sleeve (21) is sleeved on the outer side of the thrombus removal net rack (11).
3. The embolectomy device of claim 1, wherein the luer fitting (1) is disposed at the right end of the microcatheter (16), the intermediary catheter (14), and the guide catheter (12).
4. The embolectomy device of claim 1, wherein the first Y-connector (9) comprises a first Y-connector sidebranch (10) and a first haemostatic valve (17), the second Y-connector (6) comprises a second Y-connector sidebranch (7) and a second haemostatic valve (15), and the third Y-connector (2) comprises a third Y-connector sidebranch (3) and a third haemostatic valve (13).
5. The embolectomy device of claim 4, wherein the second Y-shaped connector sidebranch (7) is connected to the second syringe (8) via the three-way valve (4), and the third Y-shaped connector sidebranch (3) is connected to the first syringe (5) via the three-way valve (4).
6. The embolectomy device of claim 4, wherein the first hemostatic valve (17) is disposed at the left end of the guidewire twister (18), the second hemostatic valve (15) is disposed at the left end of the microcatheter (16), and the third hemostatic valve (13) is disposed at the left end of the middle catheter (14).
7. The embolectomy device of claim 1, wherein the diameter of the push guidewire (19) increases from left to right, the diameter of the push guidewire (19) at left end is 0.3mm, and the diameter of the push guidewire (19) at right end is 0.46 mm.
8. The embolectomy device of claim 1, wherein a 0.07mm gap is provided between the embolectomy rack (11) and the microcatheter (16), a 0.69mm gap is provided between the microcatheter (16) and the intermediary catheter (14), and a 0.38mm gap is provided between the intermediary catheter (14) and the guide catheter (12).
9. The thrombus removal device for pulmonary artery embolism according to claim 1, wherein the thrombus removal guide head (22) of the thrombus removal net rack (11) is connected with the pushing guide wire (19) by welding, a plurality of thrombus removal meshes (23) are arranged on the thrombus removal net rack (11), and a plurality of developing mark blocks (20) are arranged on the thrombus removal meshes (23).
10. The embolectomy device of claim 2, wherein the length of the embolectomy rack protective sheath (21) is greater than the length of the embolectomy rack (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023313464.8U CN214805124U (en) | 2020-12-31 | 2020-12-31 | Thrombus taking device for pulmonary artery embolism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023313464.8U CN214805124U (en) | 2020-12-31 | 2020-12-31 | Thrombus taking device for pulmonary artery embolism |
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| Publication Number | Publication Date |
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| CN214805124U true CN214805124U (en) | 2021-11-23 |
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| CN202023313464.8U Active CN214805124U (en) | 2020-12-31 | 2020-12-31 | Thrombus taking device for pulmonary artery embolism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674839A (en) * | 2020-12-31 | 2021-04-20 | 北京管桥医疗科技有限公司 | Thrombus taking device for pulmonary artery embolism |
| CN117179844A (en) * | 2023-11-08 | 2023-12-08 | 成都百瑞恒通医疗科技有限公司 | Device for blocking and treating vascular lesions and malignant tumors |
-
2020
- 2020-12-31 CN CN202023313464.8U patent/CN214805124U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674839A (en) * | 2020-12-31 | 2021-04-20 | 北京管桥医疗科技有限公司 | Thrombus taking device for pulmonary artery embolism |
| CN117179844A (en) * | 2023-11-08 | 2023-12-08 | 成都百瑞恒通医疗科技有限公司 | Device for blocking and treating vascular lesions and malignant tumors |
| CN117179844B (en) * | 2023-11-08 | 2024-01-26 | 成都纽创医疗器械有限公司 | Device for blocking and treating vascular lesions and malignant tumors |
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