CN209899514U - Thrombus suction device for vascular surgery - Google Patents
Thrombus suction device for vascular surgery Download PDFInfo
- Publication number
- CN209899514U CN209899514U CN201920280423.1U CN201920280423U CN209899514U CN 209899514 U CN209899514 U CN 209899514U CN 201920280423 U CN201920280423 U CN 201920280423U CN 209899514 U CN209899514 U CN 209899514U
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- Prior art keywords
- thrombus
- suction
- catheter
- vascular surgery
- control
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Abstract
The utility model provides a thrombus suction means for vascular surgery includes: the device comprises a suction mechanism, a catheter, an inflation mechanism, a control tube, a connecting nozzle, a fixed sliding sleeve, a guide wire and an air bag. One end of the suction mechanism is communicated with the catheter, one side of the catheter is provided with the connecting nozzle, the connecting nozzle is connected with the control tube in a sliding mode, one end of the control tube is communicated with the guide wire, the fixed sliding sleeve is arranged in the catheter along the length direction, the guide wire penetrates through the catheter along the fixed sliding sleeve, the end portion of the guide wire is provided with the air bag, and the other end of the control tube is communicated with the inflation mechanism. The utility model provides a thrombus suction means for vascular surgery adopts the mode of suction and whole pulling to suck the thrombus in the blood vessel is whole take out in the pipe, the wholeness of thrombus when guaranteeing the suction thrombus avoids the thrombus fragment to produce to avoid the thrombus fragment to remove in the blood vessel, influence patient's health.
Description
Technical Field
The utility model discloses the medical equipment field especially relates to a thrombus suction means for vascular surgery.
Background
Thrombectomy is an interventional procedure that uses the principle of negative pressure aspiration to aspirate thrombi through an aspiration catheter. This treatment is mainly the case where the blood vessel contains a large amount of thrombus.
At present, a structure for destroying thrombus is often arranged at the end part of a general thrombus suction tube, and when the operation is performed, the structure for destroying the thrombus is controlled to destroy the thrombus and suck thrombus blocks through the thrombus suction tube.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a thrombus suction means for vascular surgery.
A thrombus suction device for vascular surgery comprises a suction mechanism which is communicated with a catheter, wherein,
set up a plurality of fixed sliding sleeves in the pipe, be close to suction mechanism the lateral wall of pipe sets up the connection mouth, sliding connection has the seal wire on the fixed sliding sleeve, the seal wire is hollow tubule column structure, the one end intercommunication of seal wire is provided with the gasbag, the other end intercommunication control pipe of seal wire, control pipe sliding connection in connect the mouth, the last intercommunication of control pipe have set up in the outside mechanism of aerifing of connection mouth.
Preferably, the suction mechanism comprises an air suction cylinder, an air suction piston and a pull rod, one end of the air suction cylinder is communicated with a joint, the conduit is connected to the joint, the air suction piston is slidably connected in the air suction cylinder, and the pull rod is fixed to one side of the air suction piston.
Preferably, the inflation mechanism comprises an inflator, an inflation piston and a push rod, an air outlet of the inflator is communicated with the control tube, the inflation piston is connected in the inflator in a sliding manner, and the push rod is fixed to one side of the inflation piston.
Preferably, the outer side of the control pipe is provided with an external thread, the end part of the connecting nozzle is rotatably connected with a control wheel, the control wheel is of an annular structure, the control wheel is internally provided with an internal thread, and the external thread is in threaded connection with the internal thread.
Preferably, the outer side of the control pipe is provided with a limiting plate, the slide way of the connecting nozzle is provided with a clamping groove, and the limiting plate is connected with the clamping groove in a sliding manner.
Preferably, a smooth sleeve is connected between the fixed sliding sleeve close to the connecting nozzle and the connecting nozzle.
Preferably, one end of the guide wire far away from the suction mechanism is in a conical structure, an accommodating cavity is arranged in the conical structure, and the accommodating cavity is connected with the air bag.
Preferably, the edge of the conduit is in a round corner structure.
Compared with the prior art, the utility model provides a thrombus suction means for vascular surgery has following beneficial effect:
the utility model provides a thrombus suction means for vascular surgery includes the suction mechanism that is used for sucking the thrombus, suction mechanism sucks the thrombus through the pipe that extends to thrombus department, furtherly, set up the seal wire in the pipe, remove through the control pipe the seal wire pierces through the thrombus, pierce through after the thrombus through the inflation mechanism aerifys to the gasbag, make the gasbag expand, fix the thrombus, make the thrombus set up completely between pipe and the gasbag, rethread the control pipe control the seal wire to retract to the pipe is interior, cooperate with suction mechanism to suck, make the thrombus whole suck in the pipe, when the thrombus suction means for vascular surgery provided in the utility model sucks the thrombus, again the guide wire is whole sucked in with the supplementary of gasbag in the pipe, compare prior art, destroy the thrombus through specific structure on one side, on one side absorb the thrombus that the structure is destroyed through the pipe, lead to the thrombus fragment to spread in the blood vessel easily, the utility model provides a thrombus suction means for vascular surgery absorbs the thrombus wholly, safer.
In addition, an external thread is arranged on the outer side of the control tube, a control wheel with an internal thread is rotatably connected to the end part of the connecting nozzle, the internal side of the control wheel is in threaded connection with the external thread of the control tube, the control tube is more accurately controlled by an operator through transmission in a threaded connection mode, and the accuracy of an operation is ensured, the limiting plate arranged outside the control tube enables the control tube to linearly slide along the connecting nozzle without rotation, so that the control tube cannot generate a twisting action on the guide wire, the smooth sleeve limits the guide wire, and the effect of the control tube on the guide wire is ensured to be generated only along the axial direction of the guide wire; the edge of the catheter is in a round corner structure, so that when the catheter is guided into a blood vessel, the catheter is prevented from injuring the blood vessel.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a thrombus extraction device for vascular surgery according to the present invention;
FIG. 2 is an enlarged view of the structure shown at A in FIG. 1;
fig. 3 is an enlarged schematic view of the structure shown in fig. 1 at B.
Reference numbers in the figures: 1. the device comprises a suction mechanism, 2, a catheter, 3, an inflation mechanism, 4, a control tube, 5, a connecting nozzle, 51, a control wheel, 6, a fixed sliding sleeve, 7, a guide wire, 8 and an air bag.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a thrombus extraction device for vascular surgery according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of the structure shown at A in FIG. 1; fig. 3 is an enlarged schematic view of the structure shown in fig. 1 at B.
Referring to fig. 1, the present invention provides a thrombus suction device for vascular surgery, comprising: the device comprises a suction mechanism 1, a catheter 2, an inflation mechanism 3, a control tube 4, a connecting nozzle 5, a fixed sliding sleeve 6, a guide wire 7 and a balloon 8. One end of the suction mechanism 1 is communicated with the catheter 2, one side of the catheter 2 is provided with the connecting nozzle 5, the connecting nozzle 5 is connected with the operating tube 4 in a sliding mode, one end of the operating tube 4 is communicated with the guide wire 7, the fixed sliding sleeve 6 is arranged in the catheter 2 along the length direction, the guide wire 7 is arranged along the fixed sliding sleeve 6 and penetrates through the catheter 2, the end portion of the guide wire 7 is provided with the air bag 8, and the other end of the operating tube 4 is communicated with the inflation mechanism 3. In a specific implementation process, the specific connection implementation of the structure is as follows:
referring to fig. 1, the thrombus suction device for vascular surgery comprises a suction mechanism 1, wherein the suction mechanism 1 comprises an air suction cylinder, an air suction piston and a pull rod, one end of the air suction cylinder is communicated with a connector, a catheter 2 is connected to the connector, the air suction piston is slidably connected in the air suction cylinder, the pull rod is fixed on one side of the air suction piston, the pull rod is pulled to drive the air suction piston to move towards a direction far away from the catheter 2, negative pressure is generated in the air suction cylinder, and accordingly suction force for sucking thrombus is generated in the catheter 2.
The guide wire 7 used for penetrating thrombus is arranged in the catheter 2 along the length direction in a sliding manner, the guide wire 7 is of a hollow thin tubular structure, specifically, a plurality of fixed sliding sleeves 6 are arranged in the catheter 2, the guide wire 7 is connected with the fixed sliding sleeves 6 in a sliding manner, the fixed sliding sleeves 6 are used for limiting the guide wire 7, so that the guide wire 7 is arranged on the axis of the catheter 2, the side wall of the catheter 2 close to the suction mechanism 1 is provided with the connecting nozzle 5, in combination with the drawing of figures 1 and 3, the fixed sliding sleeves 6 close to the connecting nozzle 5 and the connecting nozzle 5 are connected with a smooth sleeve, one end of the guide wire 7 penetrates through the sleeve and extends into the connecting nozzle 5, the operating tube 4 is connected in the connecting nozzle 5 in a sliding manner, specifically, in order to ensure that the operating tube 4 and the connecting nozzle 5 rotate relatively, the limiting plate is arranged on the side wall of the control tube 4, the connecting nozzle 5 slides to form a corresponding clamping groove in the slide way of the control tube 4, the limiting plate is connected in the clamping groove in a sliding manner, the outer side of the control tube 4 is provided with an external thread, the end part of the connecting nozzle 5 is rotatably connected with a control wheel 51, the control wheel 51 is of an annular structure, an internal thread is arranged in the control wheel 51, the external thread is in threaded connection with the internal thread, the guide wire 7 extends to one end of the connecting nozzle 5 to be communicated with the control tube 4, the control tube 4 is communicated with the inflation mechanism 3, specifically, the inflation mechanism 3 comprises an inflator, an inflation piston and a push rod, the air outlet of the inflator is communicated with the control tube 4, the inflation piston is in sliding connection with the inflator, the push rod is fixed on one side of the inflation piston, and the combination of the reference to fig. 1 and fig, the utility model discloses a blood vessel pump, including seal wire 7, control wheel 51, control rod 7, connecting mouth 5, control rod 7, control rod 4, gasbag 8, control rod 7, control rod 51, control rod 7, guide wire 2, connecting mouth 5, control rod 7, control rod 51, control rod 4, control rod 7, control rod 51, control rod 5, control rod 4, control rod 7, control rod 51, control rod 4, control rod 7, gasbag 8, gasbag 7, control rod 51, control rod 4, control rod 7, guide wire 7, fixed sliding sleeve 6 slides, the tip of guide wire 7 withdraws catheter 2, cooperation suction mechanism 1 with the suction in the catheter 2 sucks the whole of thrombus into in the catheter 2.
In addition, in order to ensure that the guide wire 7 can pass through thrombus, the end part of the guide wire 7 is in a conical structure, in order to reduce the influence of the air bag 8 on the guide wire penetrability, a containing cavity is arranged in the conical structure, the air bag 8 is folded and contained in the containing cavity when not inflated, when the guide wire 7 passes through thrombus, the air bag 8 is inflated through the inflating mechanism 3, the air bag 8 expands to extend out of the end part of the guide wire 7, and the thrombus is limited by nodal expansion; in order to avoid injury to the patient when the catheter 2 is inserted into the blood vessel, the edges of the catheter 2 are rounded.
The utility model provides a thrombus suction means for vascular surgery's principle as follows:
the utility model provides a thrombus suction means for vascular surgery adopts suction and whole pulling mode to suck thrombus in the blood vessel into the catheter 2, when in use, the control wheel 51 is rotated to drive the control tube 4 to move along the connecting nozzle 5, the control tube 4 pushes the guide wire 7 to slide along the fixed sliding sleeve 6, the end part of the guide wire 7 extends out of the catheter 2 and passes thrombus, then the push rod is pushed to drive the inflating piston to move to the interior of the guide wire 7 to pressurize, so that the end part of the guide wire 7 expands the air bag 8, the air bag limits thrombus, the control wheel 51 is rotated reversely to drive the control tube 4 to move along the connecting nozzle 5, the control tube 4 pulls the guide wire 7 to slide along the fixed sliding sleeve 6, the end part of the guide wire 7 retracts into the catheter 2, at this time, the pull rod is pulled in a matching manner to drive the air suction piston to move towards the direction far away from the catheter 2, negative pressure is generated in the air suction cylinder, so that suction force for sucking thrombus is generated in the catheter 2, and the whole thrombus moves into the catheter 2 under the suction force and the thrust of the guide wire 7 and the air bag 8.
The utility model provides a thrombus suction device for vascular surgery, including be used for sucking the thrombus suction mechanism 1, suction mechanism 1 sucks the thrombus through the pipe 2 that extends to thrombus department, furtherly, set up seal wire 7 in the pipe 2, through control pipe 4 removes seal wire 7 pierces through the thrombus, pierces through after the thrombus and passes through inflation mechanism 3 to gasbag 8 aerifys, make gasbag 8 expand, fix the thrombus, make the thrombus set up completely between pipe 2 and gasbag 8, and then through control pipe 4 controls seal wire 7 to retract in pipe 2, cooperate suction mechanism 1 to suck, make the thrombus whole suck in pipe 2, the utility model provides a when thrombus suction device for vascular surgery sucks the thrombus, again whole suck under the assistance of seal wire 7 and gasbag 8 in pipe 2, compare prior art, destroy the thrombus through specific structure on one side, on one side absorb the thrombus that the structure is destroyed through the pipe, lead to the thrombus fragment to spread in the blood vessel easily, the utility model provides a thrombus suction means for vascular surgery absorbs the thrombus wholly, safer.
In addition, an external thread is arranged on the outer side of the control tube 4, a control wheel 51 with an internal thread is rotatably connected to the end of the connecting nozzle 5, the control wheel 51 is in threaded connection with the external thread of the control tube 4, the control wheel is in transmission in a threaded connection mode, so that an operator can control the control tube 4 more accurately, the accuracy of an operation is ensured, the limiting plate arranged outside the control tube 4 enables the control tube 4 to slide linearly along the connecting nozzle 5 without rotating, the control tube 4 cannot generate a twisting action on the guide wire 7, the smooth sleeve limits the guide wire 7, and the effect of the control tube 4 on the guide wire 7 is ensured to be generated only along the axial direction of the guide wire 7; the edge of the catheter 2 is in a round corner structure, so that when the catheter 2 is guided into a blood vessel, the catheter 2 is prevented from injuring the blood vessel.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. A thrombus suction device for vascular surgery is characterized by comprising a suction mechanism (1), wherein the suction mechanism (1) is communicated with a catheter (2), wherein,
set up a plurality of fixed sliding sleeve (6) in pipe (2), be close to suction mechanism (1) the lateral wall of pipe (2) sets up connecting nozzle (5), sliding connection has seal wire (7) on fixed sliding sleeve (6), seal wire (7) are hollow tubule column structure, the one end intercommunication of seal wire (7) is provided with gasbag (8), other end intercommunication control pipe (4) of seal wire (7), control pipe (4) sliding connection in connecting nozzle (5), the intercommunication has set up in connecting nozzle (5) outside inflation mechanism (3) on control pipe (4).
2. The thrombus extraction device for vascular surgery according to claim 1, wherein the suction mechanism (1) comprises an air suction cylinder, an air suction piston and a pull rod, one end of the air suction cylinder is communicated with a joint, the catheter (2) is connected to the joint, the air suction cylinder is slidably connected with the air suction piston, and one side of the air suction piston is fixed with the pull rod.
3. The thrombus aspiration device for vascular surgery according to claim 1, wherein the inflation mechanism (3) comprises an inflator, an inflation piston and a push rod, the air outlet of the inflator is communicated with the operation tube (4), the inflation piston is slidably connected in the inflator, and the push rod is fixed on one side of the inflation piston.
4. The thrombus aspiration device for vascular surgery according to claim 3, wherein the outer side of the manipulation tube (4) is provided with an external thread, the end of the connection nozzle (5) is rotatably connected with a control wheel (51), the control wheel (51) is in a ring structure, and an internal thread is arranged in the control wheel (51) and is screwed with the external thread.
5. The thrombus extraction device for vascular surgery according to claim 4, wherein a limiting plate is arranged outside the control tube (4), a clamping groove is arranged on the slide way of the connecting nozzle (5), and the limiting plate is slidably connected with the clamping groove.
6. A vascular surgical thrombus aspiration device according to claim 5, characterized in that a smooth sleeve is connected between the fixed sliding sleeve (6) close to the connection mouth (5) and the connection mouth (5).
7. The thrombus aspiration device for vascular surgery according to claim 1, wherein one end of the guide wire (7) far away from the aspiration mechanism (1) is in a conical structure, a containing cavity is arranged in the conical structure, and the containing cavity is connected with the balloon (8).
8. The vascular surgical thrombus aspiration device according to claim 1, wherein the edge of the catheter (2) is in a rounded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920280423.1U CN209899514U (en) | 2019-03-06 | 2019-03-06 | Thrombus suction device for vascular surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920280423.1U CN209899514U (en) | 2019-03-06 | 2019-03-06 | Thrombus suction device for vascular surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209899514U true CN209899514U (en) | 2020-01-07 |
Family
ID=69031422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920280423.1U Expired - Fee Related CN209899514U (en) | 2019-03-06 | 2019-03-06 | Thrombus suction device for vascular surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209899514U (en) |
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2019
- 2019-03-06 CN CN201920280423.1U patent/CN209899514U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20210306 |