CN202426652U - Endovenous laser treatment system for lower limb phlebeurysma - Google Patents
Endovenous laser treatment system for lower limb phlebeurysma Download PDFInfo
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- CN202426652U CN202426652U CN2012200211723U CN201220021172U CN202426652U CN 202426652 U CN202426652 U CN 202426652U CN 2012200211723 U CN2012200211723 U CN 2012200211723U CN 201220021172 U CN201220021172 U CN 201220021172U CN 202426652 U CN202426652 U CN 202426652U
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- treatment system
- delivery conduit
- laser treatment
- chamber delivery
- lower extremity
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Abstract
The utility model provides an endovenous laser treatment system for lower limb phlebeurysma, which is characterized by comprising a guide-in device and a conveying device. The conveying device comprises a double-cavity conveying catheter, a lead-in guide wire and a laser fiber, wherein the lead-in guide wire and the laser fiber are respectively positioned in two cavities f the double-cavity conveying catheter. The endovenous laser treatment system for the lower limb phlebeurysma can avoid the risk that an optical fiber enters deep veins of lower limbs by mistake and further prevents deep venous thrombosis from generating.
Description
Technical field
This utility model relates to a kind of intracavity laser treatment system that is used for varicose veins of the lower extremity, belongs to technical field of medical instruments.
Background technology
At present the Therapeutic Method of varicose veins of the lower extremity has multiplely, comprises that the great saphenous vein high ligation adds that point type strips off art, injection of sclerosing agent adds RF ablation, endoscopic break-through venectomy, laser vein closure procedure etc. in compressing treatment, the blood vessel.And laser vein closure procedure be first Application in 1997 in clinical, the treatment varicose veins of the lower extremity.China since two thousand three has more than 200 tame hospitals and has successively carried out this new technique.With traditional high ligation add point type strip off the operation compare because need not to strip off the great saphenous vein trunk, also need not to do vein and the communicating veins that little otch strips off the varicose of shank place, it is little really to have wound, the advantage of shank non-incision.Laser vein Closure is compared with compression therapeutic with injection of sclerosing agent, and latter's sclerosing agent has the dark vein of direct injection to cause the probability of pulmonary infarction, causes fatefulue consequence, complication such as sclerosing agent formative tissue necrosis more easily, ulcer.The sclerosing agent treatment has bigger operation risk.Endoscopic break-through vein resection operation is compared with laser vein closure procedure; Scope need move under water separate skin, form chamber mirror passage, the surface has the characteristics of Wicresoft, in fact has certain separate tissue, degree of injury; More need to leave in complete endoscope system and the art ultrasound knife of disconnected blood vessel; These equipment not only need the doctor to possess endoscopic operation basic training, and have improved surgery cost greatly, unfavorable all-round popularization at vast basic hospital.Compare with laser vein closure procedure; The radio frequency ablative surgery needs special ablation catheter in the blood vessel; Conduit is connected the back and is produced heat, but because of high temperature in the blood vessel destroys tunica intima, has increased the risk that skin of lower extremity is scalded than laser vein closure procedure biglyyer; And hemoglobin does not have specificity to the absorption of RF energy, has reduced the utilization ratio of RF energy.Get into dark venous danger because of ablation catheter has in addition, need the B ultrasonic monitoring in the art equally.This has also increased the complexity of operation.
The cirsoid principle of intracavity laser treatment is that laser sends energy, is absorbed by hemoglobin and surrounding tissue, organizes vaporization at high temperature; Make endotheliocyte and inner membrance extensively receive the hot injury; Induce the omnidistance thrombosis of vein, phlebothrombosis machineization, fibrosis, wall of vein is forever inaccessible.This operation has many advantages than other operation, only needs local puncture, and wound is little, goes out insufficiency of blood, and postoperative does not have cicatrix basically, and operation is operation easily, more and more receives extensive patients and doctor's welcome now.But this technology does not have special operating theater instruments at present, in operation, can not observe conduit and the venous position of seal wire head end, exists conduit and optical fiber are misled the danger into deep venous system of lower extremity.Do not launch laser energy even be strayed into the optical fiber of dark Venous system, can damage dark tunica intima of vein yet, form DVT, threaten patient's life.
Summary of the invention
The purpose of this utility model provides a kind of intracavity laser treatment system that is used for varicose veins of the lower extremity, and it can avoid optical fiber is misled the danger into deep veins of lower limb, and then avoids forming DVT.
In order to achieve the above object; This utility model provides a kind of intracavity laser treatment system that is used for varicose veins of the lower extremity; It is characterized in that; Comprise gatherer and conveyer device, described conveyer device comprises the two-chamber delivery conduit, introduces seal wire and laser fibers, introduces two intracavity that seal wire and laser fibers are located at the two-chamber delivery conduit respectively.
Preferably, described gatherer comprises the indwelling needle tubing, keeps somewhere in the needle tubing to be provided with puncture needle, keeps somewhere needle tubing and is connected first handle and second handle respectively with puncture needle.
More preferably; Described indwelling needle tubing is positioned at the outer part of skin when being positioned at subcutaneous part and use when comprising use; The outer wall that is positioned at the front end of subcutaneous part when using is taper shape; The inwall that is positioned at the front end of the outer part of skin when using is taper shape, and the length L that is positioned at subcutaneous part during use is 40～60mm.
Preferably, the tail end of described two-chamber delivery conduit is oval taper.
Preferably, the outside of described two-chamber delivery conduit is provided with tight locking button.
The utility model has the advantages that:
(1), the two-chamber delivery conduit is transparent conduit, laser fiber is contained in a chamber, the introducing seal wire is contained in another chamber.The laser fiber head end of energized can send HONGGUANG, after conduit gets into great saphenous vein, the HONGGUANG that the laser fiber head end sends can be on patient skin clear manifesting; Make the operator just can observe the two-chamber delivery conduit in great saphenous vein with naked eyes; If HONGGUANG deepening or disappearance, prompting two-chamber delivery conduit has got into the communicating branch vein, need withdraw from the introducing seal wire at once; Make the introducing seal wire get into great saphenous vein again, HONGGUANG manifests on patient skin.This method has avoided the two-chamber delivery conduit to be strayed into dark vein, avoids damaging dark vein.
(2), the two-chamber delivery conduit is transparent conduit, makes to introduce seal wire and get into great saphenous vein simultaneously with laser fiber, changed that seal wire and laser fiber exchange entering repeatedly in the present operation, shortened operating time greatly, also increased the safety of performing the operation.
(3) keep somewhere inwall that needle tubing is positioned at the outer part of skin for conical, transparent double channel catheter can be got into smoothly keep somewhere in the needle tubing; The outer wall that is positioned at a subcutaneous end is for conical, and is close to the puncture needle head, makes to keep somewhere needle tubing and be easy under the guiding of puncture needle in the intravasation.
(4) tail end of two-chamber delivery conduit is oval taper, facilitates the introduction of seal wire and laser fiber and penetrates in the two-chamber delivery conduit.
Description of drawings
Fig. 1 is the structural representation of gatherer;
Fig. 2 is the structural representation of conveyer device;
Fig. 3 is the profile of conveyer device;
Fig. 4 is an A-A sectional view among Fig. 3;
Fig. 5 is the structural representation of tight locking button.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment this utility model is described further.
Embodiment
A kind of intracavity laser treatment system that is used for varicose veins of the lower extremity is made up of gatherer and conveyer device.
As shown in Figure 1, be the structural representation of gatherer, described gatherer comprises keeps somewhere needle tubing 2, keeps somewhere in the needle tubing 2 to be provided with puncture needle 1, keeps somewhere needle tubing 2 and is connected first handle 3 and second handle 4 respectively with puncture needle 1.Described indwelling needle tubing 2 is positioned at the outer part of skin when being positioned at subcutaneous part and use when comprising use; The outer wall that is positioned at the front end of subcutaneous part when using is taper shape; The inwall that is positioned at the front end of the outer part of skin when using is taper shape, and the length L that is positioned at subcutaneous part when using is 50mm.
During use, the laser fibers gatherer gets in the veins beneath the skin through puncture needle 1, removes puncture needle 1 then, will keep somewhere needle tubing 2 and stay in the blood vessel, conveyer device is inserted keep somewhere in the needle tubing 2 then.
As shown in Figure 2, be the structural representation of conveyer device, described conveyer device comprises two-chamber delivery conduit 5, introduces seal wire 6 and laser fibers 7, and the tail end of described two-chamber delivery conduit 5 is oval taper.Like Fig. 3 and shown in Figure 4, described two-chamber delivery conduit 5 is a transparent conduit, introduces two intracavity that seal wire 6 and laser fibers 7 are located at two-chamber delivery conduit 5 respectively.Introduce seal wire 6 and stretch out the about 50mm of two-chamber delivery conduit 5 upstream ends, under its guiding, two-chamber delivery conduit 5 can move ahead in great saphenous vein; The head of laser fiber 7 and the alignment of two-chamber delivery conduit 5 upstream ends, in great saphenous vein, the HONGGUANG of laser fiber 7 is showing the position of two-chamber delivery conduit 5 upstream ends, makes the operator avoid two-chamber delivery conduit 5 is strayed into dark vein.
The outside of described two-chamber delivery conduit 5 is provided with tight locking button 9.As shown in Figure 5; Be the structural representation of tight locking button, stretch out the about 50mm of two-chamber delivery conduit 5 upstream ends, when the head of laser fiber 7 and the alignment of two-chamber delivery conduit 5 upstream ends when introducing seal wire 6; Clamping lock links closely 9, and laser fiber 7 can not be moved in two-chamber delivery conduit 5.In case two-chamber delivery conduit 5 upstream ends arrive the assigned address of great saphenous vein, unclamp tight locking button 9, can withdraw from two-chamber delivery conduit 5 and introduce seal wire 6 along great saphenous vein, only stay laser fiber 7; Laser fiber 7 is connected lasing light emitter, slowly withdraws from along great saphenous vein, and the energy that is sent is induced the omnidistance thrombosis of vein, makes phlebofibrosis, wall of vein forever inaccessible.
Claims (5)
1. intracavity laser treatment system that is used for varicose veins of the lower extremity; It is characterized in that; Comprise gatherer and conveyer device; Described conveyer device comprises two-chamber delivery conduit (5), introduces seal wire (6) and laser fibers (7), introduces two intracavity that seal wire (6) and laser fibers (7) are located at two-chamber delivery conduit (5) respectively.
2. the intracavity laser treatment system that is used for varicose veins of the lower extremity as claimed in claim 1; It is characterized in that; Described gatherer comprises keeps somewhere needle tubing (2); Be provided with puncture needle (1) in the indwelling needle tubing (2), keep somewhere needle tubing (2) and be connected first handle (3) and second handle (4) respectively with puncture needle (1).
3. the intracavity laser treatment system that is used for varicose veins of the lower extremity as claimed in claim 2; It is characterized in that; Described indwelling needle tubing (2) is positioned at the outer part of skin when being positioned at subcutaneous part and use when comprising use; The outer wall that is positioned at the front end of subcutaneous part when using is taper shape, and the inwall that is positioned at the front end of the outer part of skin when using is taper shape, and the length L that is positioned at subcutaneous part during use is 40～60mm.
4. the intracavity laser treatment system that is used for varicose veins of the lower extremity as claimed in claim 1 is characterized in that the tail end of described two-chamber delivery conduit (5) is oval taper.
5. the intracavity laser treatment system that is used for varicose veins of the lower extremity as claimed in claim 1 is characterized in that the outside of described two-chamber delivery conduit (5) is provided with tight locking button (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200211723U CN202426652U (en) | 2012-01-18 | 2012-01-18 | Endovenous laser treatment system for lower limb phlebeurysma |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200211723U CN202426652U (en) | 2012-01-18 | 2012-01-18 | Endovenous laser treatment system for lower limb phlebeurysma |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202426652U true CN202426652U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200211723U Expired - Fee Related CN202426652U (en) | 2012-01-18 | 2012-01-18 | Endovenous laser treatment system for lower limb phlebeurysma |
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| Country | Link |
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| CN (1) | CN202426652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551885A (en) * | 2012-01-18 | 2012-07-11 | 复旦大学附属中山医院青浦分院 | Endovenous laser treatment system for varicose veins of lower limbs |
-
2012
- 2012-01-18 CN CN2012200211723U patent/CN202426652U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551885A (en) * | 2012-01-18 | 2012-07-11 | 复旦大学附属中山医院青浦分院 | Endovenous laser treatment system for varicose veins of lower limbs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20120912 Termination date: 20180118 |