CN214434391U

CN214434391U - Multifunctional manual vein thrombus taking device

Info

Publication number: CN214434391U
Application number: CN202120011952.9U
Authority: CN
Inventors: 张喜成
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-10-22
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a multifunctional manual vein embolectomy device, which comprises a blood vessel sheath, wherein the blood vessel sheath is used for extending into the vein of a patient with thrombus, so that a thrombus suction mechanism can smoothly enter and exit the vein of the patient with thrombus; inhale the thrombus mechanism and be used for cleaing away the thrombus in the patient's vein, inhale the thrombus mechanism and include inhale thrombus pipe, second hemostasis valve, cylindrical pipeline, seal wire, resist seat, axle sleeve, handle, spherical seat, annular slide and metal basket. The utility model discloses, possess and draw the bolt, stir garrulous thrombus and negative pressure suction's function, it is comparatively thorough to remove the bolt effect, the amount of bleeding is few, and can effectively improve the thrombus and clear away efficiency, low in manufacturing cost is honest and clean, be suitable for the popularization of basic unit hospital, inhale bolt equipment with present mechanicalness, if inhale bolt equipment etc. that Angiojet is the representative compare, it is inhaling bolt in-process bloodless protein urine to and worry, chest distress, complication such as rhythm of the heart slows down takes place, compare with the suction of conventional main pipe, the device has multiple and goes to tie the function, inhale and tie efficiently, and convenient operation.

Description

Multifunctional manual vein thrombus taking device

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, it relates to a multi-functional manual vein thrombectomy device.

Background

Thrombosis refers to a series of symptoms caused by abnormal coagulation of blood in a blood vessel to block the blood vessel, and the causes of thrombosis mainly include: damaged vascular intima, slow blood flow, high blood coagulation state and the like, namely Virchow thrombosis. The lower limb deep vein thrombosis is common in clinic, and can cause limb swelling and pain, the thrombus can fall off to cause fatal pulmonary embolism, and the later period also causes higher incidence of lower limb deep vein thrombosis sequelae due to venous valve damage and blood backflow disorder, including limb acid swelling, chronic edema, superficial vein dilatation and varicosity, calf skin pigmentation even chronic dermatitis, ulcer and the like, thereby seriously affecting the life quality of patients and bringing heavy economic burden to families and society.

The treatment of the deep vein thrombosis of the lower limb, the current treatment guidelines at home and abroad, all recommend the active removal of the thrombosis under the condition of clear indication. The existing methods for removing thrombus mainly comprise: firstly, thrombolysis is performed through a catheter, namely, a thrombolysis catheter is inserted into venous thrombus, and thrombolytic drugs are injected to dissolve the thrombus. ② percutaneous mechanical thrombus removal, which usually achieves the function of removing thrombus by some instruments, such as Angiojet thrombus suction system, through the functions of thrombolysis, thrombus breaking and negative pressure suction, but the method has expensive equipment and consumables and has complications of hemorrhage, hemoglobinuria, palpitation, chest distress, heart rate slowing, and the like. The clinical method of percutaneous large-tube negative pressure suction is also adopted, special equipment is not needed, the commonly used catheter is a filter recovery catheter, and a thrombus suction catheter with the tube diameter of 10F is simple and effective to operate, but the defect is obvious, the repeated entering and exiting of the catheter are inconvenient, the bleeding amount is slightly large, and the thrombus removal efficiency is not high.

Therefore, a multifunctional manual vein thrombosis taking device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, the utility model aims to provide a multifunctional manual vein thrombosis taking device, which has the functions of pulling a thrombus, stirring and sucking thrombus and negative pressure, has thorough thrombus removing effect, less bleeding, effectively improves thrombus removing efficiency, is low in manufacturing cost, is suitable for popularization in primary hospitals, is suitable for mechanical thrombus absorbing equipment at present, is compared with thrombus absorbing equipment represented by AngioJet, has no hemoglobin urine in the thrombus absorbing process, and is panic, chest distress, heart rate slowing down and other complications, is compared with conventional large-tube suction, and has multiple thrombus removing functions, high thrombus absorbing efficiency and convenient operation, and solves the problems in the background technology.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a multifunctional manual vein embolectomy device comprising:

the blood vessel sheath is used for extending into the vein of the patient with thrombus so that the thrombus suction mechanism can smoothly enter and exit the vein of the patient with thrombus, one end of the blood vessel sheath is fixedly provided with a first hemostatic valve, and the other end of the blood vessel sheath is a free end;

the thrombus suction mechanism is used for clearing thrombus in veins of a patient and comprises a thrombus suction catheter, a second hemostatic valve, a cylindrical pipeline, a guide wire, a blocking seat, a shaft sleeve, a handle, a spherical seat, an annular sliding seat and a metal basket, wherein the thrombus suction mechanism is matched with the vascular sheath and used for clearing thrombus in veins of the patient, two ends of the thrombus suction catheter are both open ends, one end of the thrombus suction catheter penetrates through the vascular sheath and extends to the outside of the vascular sheath, a thrombus suction hole is formed in one end, close to the end, penetrating through the vascular sheath, of the thrombus suction catheter, the second hemostatic valve is fixedly installed at the end of the other end of the thrombus suction catheter, the cylindrical pipeline is inserted into the second hemostatic valve in a sliding manner, one end of the cylindrical pipeline movably extends into the inside of the thrombus suction catheter, and the guide wire is installed in the cylindrical pipeline in a sliding manner, the blocking seat blocks one end part of the second hemostatic valve far away from the thrombus suction catheter, one end of the blocking seat is fixedly connected with one end of the cylindrical pipeline, the shaft sleeve is fixedly arranged inside the blocking seat, the inner annular surface of the shaft sleeve is attached to the surface of the guide wire, the handle is fixedly arranged at one end part of the guide wire close to the shaft sleeve, the spherical seat is fixedly arranged at the other end part of the guide wire, the annular sliding seat is slidably sleeved on the guide wire and is positioned between the spherical seat and the cylindrical pipeline, the metal basket is composed of a plurality of metal wires which are uniformly distributed in the circumferential direction and is fixedly arranged between the spherical seat and the annular sliding seat, the metal basket is in a spindle shape, and the metal wires at the position of the metal basket close to the spherical seat are densely distributed, and the metal wires at the position of the metal basket close to the annular sliding seat are sparsely distributed.

Through adopting above-mentioned technical scheme, the multi-functional manual vein of setting is got and is tied the device and constitute by vascular sheath and suction bolt mechanism, under vascular sheath and suction bolt mechanism mutually supported, can conveniently clear away the thrombus in the patient's vein, the first hemostasis valve of setting can prevent that vascular sheath from leaking blood when using, the free end of vascular sheath is arranged in inserting patient's vein blood vessel, in addition, the vascular sheath is as guiding mechanism, low in manufacturing cost, can reduce treatment cost, thereby effectively alleviate patient's the burden of treating diseases.

The thrombus suction mechanism is composed of a thrombus suction catheter, a second hemostatic valve, a cylindrical pipeline, a guide wire, a blocking seat, a shaft sleeve, a handle, a spherical seat, an annular sliding seat and a metal basket, and meanwhile, a thrombus suction hole is formed in one end, which is close to the thrombus suction catheter and penetrates through a vascular sheath, of the thrombus suction catheter;

in summary, the setting of the thrombus-absorbing mechanism enables the device to have the functions of crushing thrombus and pulling thrombus.

Furthermore, a first hose communicated with the inside of the first hemostasis valve is fixedly installed on the side portion of the first hemostasis valve, and a first three-way control valve is fixedly installed on the first hose.

Through adopting above-mentioned technical scheme, first three-way control valve is used for controlling the break-make of first hose, and just first three-way control valve can be used to connect medical instrument such as syringe.

Furthermore, a first connector is fixedly installed at one end, far away from the first hemostatic valve, of the first hose.

Through adopting above-mentioned technical scheme, first connector is used for connecting the syringe, makes things convenient for in the art to use medicine etc..

Furthermore, the suction bolt hole is an elliptical suction bolt hole, the long axis of the suction bolt hole is 3-5mm, and the short axis of the suction bolt hole is 1.5-2 mm.

Through adopting above-mentioned technical scheme, the maximize is designed to the suction plug hole aperture that sets up, can absorb the thrombus better, and can guarantee again that the suction plug pipe is difficult for the rupture in the position department of seting up the suction plug hole.

Further, the inner diameter of the thrombus suction catheter is 8-10F, the inner diameter of the thrombus suction catheter is larger than the diameter of the guide wire, and the outer diameter of the thrombus suction catheter is not larger than the inner diameter of the vascular sheath 1.

By adopting the technical scheme, the inner diameter of the thrombus-aspiration catheter is 8-10F, and the inner diameter of the thrombus-aspiration catheter is larger than the diameter of the guide wire, so that the inner space of the thrombus-aspiration catheter can be ensured, and the crushed thrombus can be smoothly sucked out or pulled out through the thrombus-aspiration catheter; the outer diameter of the thrombus suction catheter is not larger than the inner diameter of the vascular sheath, so that the thrombus suction catheter can be smoothly inserted into the vascular sheath, and the stable use of the device can be ensured.

Further, still the fixed cover is equipped with the stopper on the seal wire, the stopper is located annular slide with between the spherical seat, just the stopper is located the inside of metal basket.

Through adopting above-mentioned technical scheme, the stopper is used for spacing the position of annular slide, can avoid at the in-process of pulling the seal wire, can avoid the metal basket to strut the too big damage vein blood vessel intima of range, and then makes the device security performance better.

Furthermore, a second hose communicated with the inside of the second hemostasis valve is fixedly installed on the side portion of the second hemostasis valve, and a second three-way control valve is fixedly installed on the second hose.

Through adopting above-mentioned technical scheme, second tee bend control valve is used for controlling the break-make direction of second hose.

Furthermore, a second connector is fixedly installed at one end, far away from the second hemostatic valve, of the second hose.

Through adopting above-mentioned technical scheme, the second connector is used for connecting syringe or negative pressure aspirator for the suction.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model discloses, possess and draw the bolt, stir garrulous thrombus and negative pressure suction's function, it is comparatively thorough to remove the bolt effect, the amount of bleeding is few, and can effectively improve the thrombus and clear away efficiency, low in manufacturing cost is honest and clean, be suitable for the popularization of basic unit hospital, inhale bolt equipment with present mechanicalness, if inhale bolt equipment etc. that Angiojet is the representative compare, it is inhaling bolt in-process bloodless protein urine to and worry, chest distress, complication such as rhythm of the heart slows down takes place, compare with the suction of conventional main pipe, the device has multiple and goes to tie the function, inhale and tie efficiently, and convenient operation.

Drawings

FIG. 1 is a schematic diagram of a multi-functional manual phlebotomy device according to one embodiment;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is an exploded view of one embodiment of a multi-functional manual vein embolectomy device;

FIG. 5 is a partial schematic view of one embodiment of a multifunctional thrombus removal mechanism;

fig. 6 is a partially enlarged schematic view of fig. 5.

In the figure: 1. a vascular sheath; 101. a first hemostasis valve; 102. a first hose; 103. a first three-way control valve; 2. a thrombus suction mechanism; 201. a thrombus-aspiration catheter; 202. a guide wire; 203. a second hemostasis valve; 204. a second hose; 205. a second three-way control valve; 206. a cylindrical pipe; 207. a stop seat; 208. a handle; 209. a shaft sleeve; 210. a limiting block; 211. an annular slide seat; 212. a spherical seat; 213. a metal basket; 214. and (4) a suction bolt hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1 to 6.

Examples

A multi-functional manual phlebotomy device, as shown in fig. 1 and 4, comprising: a blood vessel sheath 1, wherein the blood vessel sheath 1 is used for extending into the vein of the patient with thrombus so that the thrombus suction mechanism 2 can smoothly enter and exit the vein of the patient with thrombus;

wherein, as shown in fig. 4, the thrombus absorbing mechanism 2 is arranged in cooperation with the blood vessel sheath 1, and the thrombus absorbing mechanism 2 is used for clearing thrombus in the vein of the patient.

The multifunctional manual vein embolectomy device adopting the technical scheme is composed of the vascular sheath 1 and the embolectomy mechanism 2, and under the mutual matching of the vascular sheath 1 and the embolectomy mechanism 2, the thrombus in the vein of a patient can be conveniently removed;

in addition, the vascular sheath 1 is used as a guide mechanism, so that the manufacturing cost is low, the treatment cost can be reduced, and the treatment burden of a patient can be effectively relieved.

More perfectly, as shown in fig. 4, one end of the blood vessel sheath 1 is fixedly provided with a first hemostatic valve 101, and the other end of the blood vessel sheath 1 is a free end, the first hemostatic valve 101 is arranged to prevent blood leakage when the blood vessel sheath 1 is used, and the free end of the blood vessel sheath 1 is used for being inserted into a venous blood vessel of a patient.

More perfectly, as shown in fig. 4, a first flexible tube 102 communicated with the inside of the first hemostatic valve 101 is fixedly installed at a side portion of the first hemostatic valve, a first three-way control valve 103 is fixedly installed on the first flexible tube 102, the first three-way control valve 103 is used for controlling the on-off of the first flexible tube 102, and the first three-way control valve 103 can be used for connecting medical devices such as a syringe.

More perfectly, as shown in fig. 4, a first connector is fixedly installed at one end of the first flexible tube 102 far from the first hemostatic valve 101, and the first connector is used for connecting a syringe, so as to facilitate the use of drugs (such as heparin saline) in the operation.

Specifically, as shown in fig. 1 to 6, the thrombus-aspiration mechanism 2 includes a thrombus-aspiration catheter 201, a second hemostatic valve 203, a cylindrical tube 206, a guide wire 202, a stop seat 207, a shaft sleeve 209, a handle 208, a spherical seat 212, an annular sliding seat 211 and a metal basket 213, both ends of the thrombus-aspiration catheter 201 are open ends, one end of the thrombus-aspiration catheter 201 penetrates through the vascular sheath 1 and extends to the outside of the vascular sheath 1, a thrombus-aspiration hole 214 is formed on the thrombus-aspiration catheter 201 adjacent to the end thereof penetrating through the vascular sheath 1, the second hemostatic valve 203 is fixedly mounted at the other end of the thrombus-aspiration catheter 201, the cylindrical tube 206 is slidably received by the basket, so that the mesh basket is inserted into the interior of the second hemostatic valve 203, the basket can be fed into the thrombus-aspiration catheter 201 and the front end of the thrombus-aspiration catheter 201 by pushing the handle 208 forward, and one end of the cylindrical tube 206 movably extends into the interior of the thrombus-aspiration catheter 201, the guide wire 202 is slidably mounted inside the cylindrical pipe 206, the blocking seat 207 blocks the end portion of the second hemostatic valve 203 far away from the thrombus-aspiration catheter 201, one end of the blocking seat 207 is fixedly connected with one end of the cylindrical pipe 206, the shaft sleeve 209 is fixedly mounted inside the blocking seat 207, the inner annular surface of the shaft sleeve 209 is attached to the surface of the guide wire 202, the handle 208 is fixedly mounted at the end portion of the guide wire 202 near the shaft sleeve 209, the spherical seat 212 is fixedly mounted at the end portion of the other end of the guide wire 202, the annular slide seat 211 is slidably mounted on the guide wire 202, the annular slide seat 211 is located between the spherical seat 212 and the cylindrical pipe 206, the metal basket 213 is composed of a plurality of metal wires which are uniformly distributed in the circumferential direction, and the metal basket 213 is fixedly mounted between the spherical seat 212 and the annular slide seat 211, the metal basket 213 is spindle-shaped, and the metal basket 213 is close to the position wire of the spherical seat 212 is densely distributed, and the metal basket 213 is close to the position wire of the annular sliding seat 211 is sparsely distributed.

By adopting the technical scheme, the provided thrombus suction mechanism 2 is composed of a thrombus suction catheter 201, a second hemostatic valve 203, a cylindrical pipeline 206, a guide wire 202, a resisting seat 207, a shaft sleeve 209, a handle 208, a spherical seat 212, an annular sliding seat 211 and a metal basket 213, and a thrombus suction hole 214 is formed in one end, which is close to the thrombus suction catheter 201 and penetrates through a vascular sheath 1, of the thrombus suction catheter 201, so that the metal basket 213 is in an open state when being manufactured, the thrombus suction catheter 201 can be inserted into the vascular sheath 1 through the first hemostatic valve 101 when being used, the metal basket 213 is rotated by the handle 208 to crush thrombus, and the crushed thrombus can enter the inside of the thrombus suction catheter 201 through the thrombus suction hole 214 to be sucked out or be pulled out through the metal basket 213, so that the purpose of removing thrombus in a venous blood vessel of a patient is achieved;

it should be noted that, in order to facilitate the metal basket 213 to smoothly enter and exit the venous blood vessel of the patient, when the device is processed, it is ensured that the metal basket 213 can be received in the cylindrical pipe 206, so that when the metal basket 213 is received in the cylindrical pipe 206, one end of the cylindrical pipe 206 is abutted against the second hemostatic valve 203, and the metal basket 213 is conveniently conveyed into the thrombus-aspiration catheter 201.

Specifically, as shown in fig. 2, the thrombus hole 214 is an elliptical shape, the major axis of the thrombus hole 214 is 3-5mm, and the minor axis of the thrombus hole 214 is 1.5-2mm, and the aperture of the thrombus hole 214 is designed to be maximized, so that thrombus can be absorbed better, and the thrombus catheter 201 is not easily broken at the position where the thrombus hole 214 is formed.

Specifically, the inner diameter of the thrombus-aspiration catheter 201 is 8-10F, the inner diameter of the thrombus-aspiration catheter 201 is larger than the diameter of the guide wire 202, the outer diameter of the thrombus-aspiration catheter 201 is not larger than the inner diameter of the vascular sheath 1, the inner diameter of the thrombus-aspiration catheter 201 is 8-10F, and the inner diameter of the thrombus-aspiration catheter 201 is larger than the diameter of the guide wire 202, so that the inner space of the thrombus-aspiration catheter 201 can be ensured, and therefore, the crushed thrombus can be smoothly sucked out or pulled out through the thrombus-aspiration catheter 201; the outer diameter of the thrombus-aspiration catheter 201 is not larger than the inner diameter of the vascular sheath 1, so that the thrombus-aspiration catheter 201 can be smoothly inserted into the vascular sheath 1, and the stable use of the device can be ensured.

More perfectly, as shown in fig. 6, a limiting block 210 is further fixedly sleeved on the guide wire 202, the limiting block 210 is located between the annular sliding seat 211 and the spherical seat 212, and the limiting block 210 is located inside the metal basket 213. The limiting block 210 is used for limiting the position of the annular sliding seat 211, so that the phenomenon that the metal basket 213 is spread by too large extent to damage the intima of the vein of the patient in the process of pulling the guide wire 202 can be avoided, and the safety performance of the device is better.

More perfectly, as shown in fig. 4, a second hose 204 communicated with the inside of the second hemostatic valve 203 is further fixedly installed at a side portion of the second hemostatic valve 203, a second three-way control valve 205 is fixedly installed on the second hose 204, and the second three-way control valve 205 is used for controlling the on-off direction of the second hose 204.

More perfectly, as shown in fig. 4, a second connector is fixedly installed at one end of the second hose 204 far from the second hemostatic valve 203, and the second connector is used for connecting a suction syringe or a negative pressure aspirator.

The working principle is as follows: this multi-functional manual vein thrombectomy device, during the use, insert blood vessel sheath 1 in the patient's vein blood vessel as the passageway of inhaling in and out patient's vein blood vessel of embolus pipe 201, then insert the inside of inhaling in the blood vessel sheath 1 through first hemostasis valve 101 with inhaling embolus pipe 201, utilize handle 208 to rotate metal mesh basket 213 and stir the thrombus bits and pieces, the inside that the thrombus bits and pieces got into inhaling in embolus pipe 201 through inhaling embolism hole 214 is inhaled by the negative pressure suction, or pull out through metal mesh basket 213, it needs to explain that, need insert through the second connector in advance when using and inhale with syringe or vacuum aspiration ware.

The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A multifunctional manual vein embolectomy device, comprising:

the blood vessel sheath (1), the said blood vessel sheath (1) is used for stretching into the patient's vein of thrombus, so as to make the suction embolism organization (2) can pass in and out the patient's vein of thrombus smoothly;

wherein one end of the vascular sheath (1) is fixedly provided with a first hemostatic valve (101), and the other end of the vascular sheath (1) is a free end;

wherein the thrombus suction mechanism (2) is matched with the vascular sheath (1), the thrombus suction mechanism (2) is used for removing thrombus in veins of a patient, the thrombus suction mechanism (2) comprises a thrombus suction catheter (201), a second hemostatic valve (203), a cylindrical pipeline (206), a guide wire (202), a resisting seat (207), a shaft sleeve (209), a handle (208), a spherical seat (212), an annular sliding seat (211) and a metal mesh basket (213), both ends of the thrombus suction catheter (201) are open ends, one end of the thrombus suction catheter (201) penetrates through the vascular sheath (1) and extends to the outside of the vascular sheath (1), one end of the thrombus suction catheter (201) close to the vascular sheath (1) is provided with a thrombus suction hole (214), and the second hemostatic valve (203) is fixedly installed at the end part of the other end of the thrombus suction catheter (201), the cylindrical pipeline (206) is inserted in the second hemostatic valve (203) in a sliding mode, one end of the cylindrical pipeline (206) movably extends into the thrombus suction catheter (201), the guide wire (202) is installed in the cylindrical pipeline (206) in a sliding mode, the blocking seat (207) blocks one end portion, far away from the thrombus suction catheter (201), of the second hemostatic valve (203), one end of the blocking seat (207) is fixedly connected with one end of the cylindrical pipeline (206), the shaft sleeve (209) is fixedly installed in the blocking seat (207), the inner ring surface of the shaft sleeve (209) is attached to the surface of the guide wire (202), the handle (208) is fixedly installed at one end portion, close to the shaft sleeve (209), of the guide wire (202), and the spherical seat (212) is fixedly installed at the other end portion of the guide wire (202), annular slide seat (211) slip suit is in on seal wire (202), just annular slide seat (211) are located spherical seat (212) with between cylindrical pipeline (206), metal basket (213) comprise a plurality of root ring hoop evenly distributed's wire, just metal basket (213) fixed mounting spherical seat (212) with between annular slide seat (211), metal basket (213) are fusiform, just metal basket (213) are close to the position wire distribution of spherical seat (212) is closely knit, metal basket (213) are close to the position wire distribution of annular slide seat (211) is sparse.

2. A multifunctional manual vein embolectomy device of claim 1, wherein: a first hose (102) communicated with the inside of the first hemostasis valve (101) is fixedly installed on the side of the first hemostasis valve, and a first three-way control valve (103) is fixedly installed on the first hose (102).

3. A multifunctional manual vein embolectomy device of claim 2, wherein: a first connector is fixedly arranged at one end of the first hose (102) far away from the first hemostatic valve (101).

4. A multifunctional manual vein embolectomy device of claim 1, wherein: the suction bolt hole (214) is an oval suction bolt hole, the long axis of the suction bolt hole (214) is 3-5mm, and the short axis of the suction bolt hole (214) is 1.5-2 mm.

5. A multifunctional manual vein embolectomy device of claim 1, wherein: the inner diameter of the thrombus suction catheter (201) is 8-10F, the inner diameter of the thrombus suction catheter (201) is larger than the diameter of the guide wire (202), and the outer diameter of the thrombus suction catheter (201) is not larger than the inner diameter of the vascular sheath (1).

6. A multifunctional manual vein embolectomy device of claim 1, wherein: a limiting block (210) is fixedly sleeved on the guide wire (202), the limiting block (210) is located between the annular sliding seat (211) and the spherical seat (212), and the limiting block (210) is located inside the metal basket (213).

7. A multifunctional manual vein embolectomy device of claim 1, wherein: and a second hose (204) communicated with the inside of the second hemostasis valve (203) is fixedly installed on the side part of the second hemostasis valve, and a second three-way control valve (205) is fixedly installed on the second hose (204).

8. A multifunctional manual vein embolectomy device of claim 7, wherein: and a second connector is fixedly installed at one end, far away from the second hemostatic valve (203), of the second hose (204).