CN219846707U - Multifunctional lower limb varicose vein stripping catheter - Google Patents
Multifunctional lower limb varicose vein stripping catheter Download PDFInfo
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- CN219846707U CN219846707U CN202321140116.6U CN202321140116U CN219846707U CN 219846707 U CN219846707 U CN 219846707U CN 202321140116 U CN202321140116 U CN 202321140116U CN 219846707 U CN219846707 U CN 219846707U
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- stripping
- vein
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- head
- stripping catheter
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- 206010046996 Varicose vein Diseases 0.000 title claims abstract description 18
- 210000003141 lower extremity Anatomy 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 230000003444 anaesthetic effect Effects 0.000 claims abstract description 23
- 230000008961 swelling Effects 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 210000003462 vein Anatomy 0.000 abstract description 43
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 206010002091 Anaesthesia Diseases 0.000 abstract description 4
- 230000037005 anaesthesia Effects 0.000 abstract description 4
- 230000000740 bleeding effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000338 in vitro Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 description 6
- 210000003752 saphenous vein Anatomy 0.000 description 4
- 208000032912 Local swelling Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000002690 local anesthesia Methods 0.000 description 2
- 206010033675 panniculitis Diseases 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 210000004304 subcutaneous tissue Anatomy 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 208000027185 varicose disease Diseases 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model provides a multifunctional lower limb varicose vein stripping catheter which comprises a stripping catheter, wherein a guide wire penetrates through the tail part of the inside of the stripping catheter, a light source and a screw cap mechanism are arranged at the head part of the stripping catheter, a handle is arranged at the closed end of the tail part of the stripping catheter, and the screw cap mechanism comprises a trapezoid cavity. The beneficial effects of the utility model are as follows: integrating an indicator light source and a local tumescent anesthetic function on a classical vein stripping catheter; the light source can observe the pushing and stripping processes of the stripper in the vein in vitro, and replaces touching to judge the position of the stripper; simultaneously, by utilizing the advantage that the stripping device and the vein are positioned at the same axial anatomical position, the swelling anesthetic liquid is accurately injected into the gaps around the vein, so that the gap between the vein and the surrounding tissues is stripped while anesthesia is realized, the difficulty and the wound in the vein stripping process are reduced, and bleeding of the residual cavity of the vein after stripping is reduced, so that the method is simpler and more efficient.
Description
Technical Field
The utility model belongs to the technical field of medical consumables, and particularly relates to a multifunctional lower limb varicose vein stripping catheter.
Background
Varicose vein of lower limbs is a common disease and frequently-occurring disease, mainly treated by surgery. The advantages of the intracavity minimally invasive techniques represented by radio frequency and laser are obvious, but are limited by factors such as treatment equipment, surgical skill requirements, treatment cost and the like. The traditional operation mode is to strip the guide wire by vein, fix the main trunk of the great saphenous vein on the guide wire, withdraw and strip the main trunk of the great saphenous vein together, the operation is large in wound, slow in recovery, and blind in stripping process, but the technology is mature, the curative effect is definite, the operation is simple, and the cost is low; so currently it is still the main means of treating varicose veins of varying degrees. To this end, many scholars and manufacturers have improved vein strippers and have emerged many new types of vein strippers, but the stripping principle is the same and the anesthesia mode and the operation wound are not changed fundamentally.
The external stripping catheter (vetin havst) injects the swelling anesthetic into the gap around the vein through the internal sleeve steel pipe, and strips the vein of the great saphenous vein in an external sleeve stripping mode under the protection effect of the isolation belt of the swelling anesthetic, so that the minimally invasive of the traditional operation is realized. However, compared with the traditional stripper, the hard catheter is limited by the inner diameter, and the hard catheter is difficult to enter the catheter cavity to cause stripping failure when the large saphenous vein with larger diameter or multiple tumor-like expansion is stripped, so that the learning and training period is required, and the cost of the catheter is not low.
Therefore, the utility model aims to solve the technical problems and the cost problems in the prior art, and provides the multifunctional vein stripping catheter which has the advantages of simple structure and low cost, can guide a light source and realize vein stripping operation of local swelling anesthesia, accords with the traditional operation habit, and is easy to grasp.
Disclosure of Invention
The utility model aims to provide a multifunctional lower limb varicose vein stripping catheter, wherein a light source can observe the pushing and stripping process of a stripper in veins in vitro to replace touching to judge the position of the stripper; meanwhile, local swelling liquid injection is realized, discomfort of ultrasonic guided percutaneous multiple needle injection of local anesthesia swelling liquid is avoided, operation is simpler, and anesthesia is more accurate; the swelling liquid wraps the veins to form a protective isolation belt, can help to pre-strip the veins, reduce the trauma in the vein stripping process, simultaneously play a role in stopping bleeding and reducing bleeding of the vein tunnel residual cavity, and is more beneficial to stripping the veins from tissues, thereby realizing the traditional minimally invasive stripping operation.
The technical scheme of the utility model is as follows: a multifunctional lower limb varicose vein stripping catheter comprises a stripping catheter, a guide wire is arranged at the head and tail parts in the stripping catheter in a penetrating way, a nut mechanism is arranged at the head part of the stripping catheter, a handle is arranged at the closed end of the tail part of the stripping catheter, a connecting port is arranged near the tail part of the stripping catheter, the connecting port is connected with one-way of a three-way adapter through an input pipe, two-way of the three-way adapter is communicated with an injection mechanism, a three-way of the three-way adapter is connected with external liquid supply equipment, two-way and three-way parts of the three-way adapter are provided with one-way valves,
the nut mechanism comprises a trapezoid cavity body, a flaring is arranged on the long side of the right side of the trapezoid cavity body, the head of the stripping catheter enters the trapezoid cavity body through the flaring, a swelling anesthetic liquid outlet is arranged in the area between the flaring and the stripping catheter, a plurality of outlets are arranged along the circumference of the stripping catheter, the outer wall of the stripping catheter extending into the trapezoid cavity body is provided with a plurality of outlets for outputting swelling anesthetic liquid,
the head of the guide wire sequentially passes through the first perforation at the sealed position of the head of the stripping catheter and the first threaded hole at the short side of the trapezoid cavity body and is connected with the first threaded hole through threads, in order to conveniently position the vein in subcutaneous tissue, the light source is fixed at the end of the guide wire positioned at the outer side of the short side of the trapezoid cavity body,
the light source comprises an LED light source, the LED light source is connected with a wire guiding head, the tail end of the wire guiding passes through a hole of the tail closed end of the stripping catheter and enters a groove of the handle, a 1.5V battery is arranged in the groove, the wire guiding is connected with the 1.5V battery, and a power switch communicated with the 1.5V battery is arranged on the handle.
Preferably, the guide wire is fixed on the inner wall of the stripping catheter.
Preferably, the guide wire is provided with a first external thread close to the outer side of the guide wire head, the first threaded hole at the short side of the trapezoid cavity is provided with an internal thread matched with the first external thread, the guide wire head is arranged at the short side of the trapezoid cavity through threads, and the guide wire is fixedly connected with the first through hole at the closed position of the guide wire head.
Preferably, the injection mechanism is a syringe that can be used to inject tumescent anesthetic fluid.
Preferably, the inner side wall of the trapezoid cavity is provided with a convex edge, so that the vein is close to the stripping catheter as much as possible, and a surrounding space is reserved for discharging swelling liquid.
Preferably, the LED light source is a red light.
Preferably, the long-side flaring edge of the trapezoid cavity is flared, and the edge is sharp.
Preferably, a plurality of swelling anesthetic liquid outlet holes are respectively formed in the long-side flaring edge of the trapezoid cavity body and the side wall of the trapezoid cavity body, so that the swelling anesthetic liquid can be conveniently output outside the vein, and vein stripping is facilitated.
Preferably, the stripping catheter head is provided with a through hole, a gap is formed between the stripping catheter head and the first threaded hole, and the gap between the stripping catheter head and the first threaded hole can avoid the situation that the through hole directly discharges liquid and is blocked by the inner wall of the trapezoid cavity at the threaded position to further cause unstable liquid discharge.
Preferably, the connection port on the stripping catheter close to the tail part is a second threaded hole, one end of the input tube is provided with a second external thread matched with the second threaded hole, and one end of the input tube provided with the second external thread is connected with the second threaded hole through threads.
The utility model has the advantages and positive effects that: due to the adoption of the technical scheme,
1) The seal wire combines together with the pipe, and the seal wire provides certain intensity for passing the vein on the one hand, and can export the swelling anesthetic solution at the in-process that peels off after combining together with nut mechanism again, helps vein and tissue to peel off, and swelling anesthetic solution can follow vein outside oppression vein simultaneously, makes the inside blood of vein discharge, reduces the degree of difficulty of peeling off the operation.
2) The light source has the function of indicating the incision position to a doctor when the part penetrating through the varicose vein reaches the position needing to be penetrated out, so that the doctor can accurately position the incision position, and the incision size is reduced; secondly, the separation condition of vein branches can be conveniently checked in the stripping process, and the condition of fracture can be timely found.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic view of the structure where the nut mechanism is connected to the peeling conduit.
Fig. 3 is a cross-sectional view of a trapezoidal cavity.
In the figure:
1. peeling duct 2, light source 3, trapezoid cavity
4. Swelling anesthetic outlet 5, outlet 6 and swelling anesthetic outlet hole
7. Injection mechanism 8, guide wire 9 and handle
10. Connector 11, first screw hole 12, external liquid supply equipment
Description of the embodiments
As shown in fig. 1-3, the technical scheme of the utility model is a multifunctional lower limb varicose vein stripping catheter, comprising a stripping catheter 1, wherein a guide wire 8 is arranged at the head and tail parts in the stripping catheter 1 in a penetrating way, a metal guide wire penetrating the head and tail parts of the stripping catheter 1 is added to provide certain strength mainly for penetrating veins, because a bending part possibly exists in the veins, the pure stripping catheter 1 can not provide the strength required for penetrating veins, therefore, a guide wire is added, the head part of the stripping catheter 1 is provided with a nut mechanism, the tail closed end of the stripping catheter 1 is provided with a handle 9, a connecting port is arranged near the tail part, the connecting port is connected with one pass through an input pipe, two passes through an injection mechanism 7, a tee joint of the tee joint is connected with an external liquid supply device 12, two passes and three passes through the tee joint are provided with one-way valves,
the nut mechanism comprises a trapezoid cavity body 3, a flaring is arranged on the long edge of the right side of the trapezoid cavity body 3, the head of the stripping catheter 1 enters the trapezoid cavity body 3 through the flaring, a region between the flaring and the stripping catheter 1 is a swelling anesthetic liquid outlet 4, a plurality of outlets 5 are arranged along the circumference of the stripping catheter 1, the outer wall of the stripping catheter 1 extending into the trapezoid cavity body 3 is provided with a plurality of outlets 5 for outputting swelling anesthetic liquid,
the head of the guide wire 8 sequentially passes through a first perforation at the closed position of the head of the stripping catheter 1 and a first threaded hole 11 at the short side of the trapezoid cavity body 3, and is connected with the first threaded hole 11 through threads, in order to conveniently position the vein in subcutaneous tissue, a light source is fixed at the end of the guide wire 8 positioned at the outer side of the short side of the trapezoid cavity body 3,
the light source 2 comprises an LED light source, the LED light source is connected with the head of the guide wire 8, the tail end of the guide wire 8 penetrates through a hole at the tail end closed end of the stripping catheter 1 and enters a groove of the handle 9, a 1.5V battery is arranged in the groove, the guide wire 8 is connected with the 1.5V battery, and a power switch communicated with the 1.5V battery is arranged on the handle 9.
In this embodiment, the guide wire 8 is fixed to the inner wall of the peeling catheter 1.
In this embodiment, the outside of the guide wire 8 near the head of the guide wire 8 is provided with a first external thread, the first threaded hole 11 at the short side of the trapezoid cavity 3 is provided with an internal thread matched with the first external thread, the guide wire head is arranged at the short side of the trapezoid cavity 3 by threads, and the guide wire is fixedly connected with the first through hole at the closed position of the head of the guide tube.
In this embodiment, the injection mechanism 7 is an injector for injecting tumescent anesthetic, and the external liquid supply device 12 is a peristaltic pump.
In this embodiment, the inner side wall of the trapezoid cavity 3 is provided with a convex edge, so that the vein is as close to the stripping catheter as possible, and a surrounding space is reserved for discharging the swelling fluid.
In this embodiment, the LED light source is a red light.
In this embodiment, the long-side flared edge of the trapezoid cavity 3 is flared, and the edge is sharp.
In this embodiment, a plurality of swelling anesthetic liquid outlet holes 6 are respectively formed on the long-side flaring edge of the trapezoid cavity body 3 and the side wall of the trapezoid cavity body 3, so that the swelling anesthetic liquid can be conveniently output outside the vein, and vein stripping is facilitated.
In this embodiment, the pipe 1 head of peeling off be equipped with the through-hole, the pipe 1 head of peeling off be equipped with the clearance between first screw hole, the clearance between pipe 1 head of peeling off and the first screw hole can avoid appearing the through-hole and directly go out the liquid and shelter from by the inner wall of trapezoidal cavity 3 of screw department and then lead to the unstable condition of play liquid volume.
In this embodiment, the connection port on the stripping catheter 1 near the tail is a second threaded hole, one end of the input tube is provided with a second external thread matched with the second threaded hole, and one end of the input tube provided with the second external thread is connected with the second threaded hole through threads.
The working procedure of this example: in the use process, firstly, local anesthesia is carried out on a patient, a notch at one end of a vein, a stripping guide wire and a catheter are inserted into the vein together with a light source, the position of the other end is indicated by the light source, then the notch at the other end is formed, the penetrated end is fixed on the guide wire by using a nut mechanism, meanwhile, the penetrated end of the vein is fixed on the stripping catheter by using a silk thread in a ligature mode, then swelling anesthetic is injected into the vein from a swelling anesthetic outlet and a swelling anesthetic outlet hole by using an injection mechanism, the vein is separated, then the catheter is drawn back, and the operation is repeated until the vein is drawn out from the notch at the beginning.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (8)
1. A multifunctional lower limb varicose vein stripping catheter, characterized in that: including peeling off the pipe, peeling off the intraductal head and tail portion of pipe run through and be equipped with the seal wire, peeling off the head of pipe and be equipped with nut mechanism, be equipped with the handle at the afterbody blind end of peeling off the pipe, and be close to afterbody department and be equipped with the connector, the connector pass through one of input tube and tee bend adapter and link to each other, tee bend adapter's two-way intercommunication have injection mechanism, tee bend adapter's tee bend connect external liquid supply equipment, tee bend adapter's two-way and tee bend department all be equipped with the check valve, nut mechanism include trapezoidal cavity, trapezoidal cavity's right side long edge be equipped with the flaring, peeling off the head of pipe and entering trapezoidal cavity internally through the flaring, the region between flaring and the peeling off the pipe is the tumescent anesthetic liquid export, and set up along peeling off the pipe periphery, peeling off the pipe outer wall of stretching into trapezoidal cavity be equipped with a plurality of exports, the head of seal wire pass in proper order and peel off the first perforation of pipe head seal department, trapezoidal cavity's the first screw hole of minor face department, and first screw hole of tee bend connection, and link to each other through the screw thread between with first screw hole, two-way and tee bend adapter department all be equipped with the check valve, trapezoidal cavity's two-way and the tee bend, the head and the tee bend, the guide wire that is located the body have a seal wire, the seal wire and V5, the seal wire and the LED that has the LED 5.5 and the LED is equipped with the seal wire and the battery 1 and the LED is equipped with the end 5 and the seal wire and the battery 1.
2. A multi-functional lower extremity varicose vein-stripping catheter as in claim 1, wherein: the guide wire is fixed on the inner wall of the stripping catheter.
3. A multi-functional lower extremity varicose vein-stripping catheter as in claim 1, wherein: the guide wire is provided with a first external thread close to the outer side of the guide wire head, an internal thread matched with the first external thread is arranged in a first threaded hole at the short side of the trapezoid cavity, the guide wire head is arranged at the short side of the trapezoid cavity through threads, and the guide wire is fixedly connected with a first perforation at the closed position of the guide wire head.
4. A multi-functional lower extremity varicose vein-stripping catheter as in claim 1, wherein: the inner side wall of the trapezoid cavity body is provided with a convex edge.
5. A multi-functional lower extremity varicose vein-stripping catheter as in claim 1, wherein: the LED light source is a red lamp.
6. A multi-functional lower extremity varicose vein-stripping catheter as in claim 1, wherein: the long-side flaring edge of the trapezoid cavity body is in a horn shape, and the edge is sharp.
7. A multi-functional lower extremity varicose vein-stripping catheter as in claim 1, wherein: the long-side flaring edge of the trapezoid cavity and the side wall of the trapezoid cavity are respectively provided with a plurality of swelling anesthetic liquid outlet holes, the head of the stripping catheter is provided with a through hole, and a gap is arranged between the head of the stripping catheter and the first threaded hole.
8. A multi-functional lower extremity varicose vein-stripping catheter as in claim 1, wherein: the connecting port on the stripping catheter close to the tail is a second threaded hole, one end of the input tube is provided with a second external thread matched with the second threaded hole, and one end of the input tube provided with the second external thread is connected with the second threaded hole through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321140116.6U CN219846707U (en) | 2023-05-12 | 2023-05-12 | Multifunctional lower limb varicose vein stripping catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321140116.6U CN219846707U (en) | 2023-05-12 | 2023-05-12 | Multifunctional lower limb varicose vein stripping catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219846707U true CN219846707U (en) | 2023-10-20 |
Family
ID=88348801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321140116.6U Active CN219846707U (en) | 2023-05-12 | 2023-05-12 | Multifunctional lower limb varicose vein stripping catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219846707U (en) |
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2023
- 2023-05-12 CN CN202321140116.6U patent/CN219846707U/en active Active
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