CN100502799C - Diaphragming air bag for ablation treatment - Google Patents
Diaphragming air bag for ablation treatment Download PDFInfo
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- CN100502799C CN100502799C CNB2006100370339A CN200610037033A CN100502799C CN 100502799 C CN100502799 C CN 100502799C CN B2006100370339 A CNB2006100370339 A CN B2006100370339A CN 200610037033 A CN200610037033 A CN 200610037033A CN 100502799 C CN100502799 C CN 100502799C
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- hollow pipe
- catheter sheath
- air bag
- catheter
- ablation treatment
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Abstract
An isolating air bag for the elimination therapy without affection to near tissue and organ is composed of a sheath of guide tube with an axial empty cavity, a guide tube core and a hollow tube with a bag. The gas, water, or other heat-insulating substance can be filled in said bag to expand it.
Description
Technical field
The present invention relates to the medical assistance apparatus of ablation, relate in particular to a kind of Diaphragming air bag that is used for ablation.
Background technology
Radio-frequency (RF) therapy is a kind of faster invasive methods for the treatment of entity tumor of development in recent years, it is by the guiding of image documentation equipment or directly use in surgical operation, principle is the local cancerous issue generation coagulation necrosis that makes in the ablation areas, each site of ablation (single-stage or multistage) is melted the diameter maximum 1 time and is reached 4.5～6.0cm, less to its peripheral organs organizational structure influence simultaneously, has Wicresoft, determined curative effect, the advantage that untoward reaction is little, also may play better action for the patient that the surgical operation contraindication is arranged, be widely used in liver at present, the adrenal gland, pulmonary, the oncotherapy of prostatic.
The same with the other treatment method, the radio-frequency (RF) therapy under the image guide has some complication and complication.To be example below, point out the problem that present radio-frequency (RF) therapy exists with the radio-frequency (RF) therapy of the maximum liver neoplasm of present application.
The instant complication of liver radio-frequency (RF) therapy mainly contains: (1) point of puncture hematoma, and contiguous main relevant with penetration damage intercostal arteries branch.(2) have an intense pain, with around ablation needle touches fissure, hepatic hilar region, liver tunicle be relevant.(3) blood pressure drops, main relevant with ablation leftlobe of liver tumor, may be relevant for the caused vagal excitation of thermostimulation gallbladder, severe patient can cause that sudden cardiac arrest causes death.(4) uncomfortable in chest, close on diaphram with tumor, ablation is pain caused relevant.(5) pericardial effusion considers that ablating electrode presses close to pericardium and cause bleeding etc., need stop to treat.(6) subcapsular hemorrhage of liver and tumor internal hemorrhage, main relevant with injured blood vessel.
The treatment infectious-related complication has: (1) heating.(2) vomiting may stimulate relevant with the gallbladder bile duct.(3) singultus stimulates diaphram relevant with ablation.(4) cholecystitis, too closely relevant with ablating electrode apart from gallbladder.(5) leukocyte raises.(6) abnormal liver function.
In fact, the physics ablation also comprises the ablation mode of thermal ablation therapy modes such as micro-wave therapeutic, argon helium knife treatment, laser therapy and cold therapy.But these ablation modes all exist the aforementioned various complication that easily adjacent tissue caused damage bar none.
Be example still with the liver neoplasm ablation, present ablation The Application of Technology and tumor location relation are very big, for contiguous gallbladder, diaphragm top, pericardium, gastrointestinal liver neoplasm, usually because worry burning or cold injury and cause and increase corresponding complication and have certain scruples to adjacent tissue on every side, it is not enough to cause melting area, causes treatment not thoroughly or cause tumor recurrence.Therefore influenced ablation method such as radio-frequency (RF) therapy greatly in Clinical Application, even the mode that has the doctor to take out abdomen to melt for the tumor at these positions is finished ablation, make the advantage forfeiture of Wicresoft of ablation make a gift of to the greatest extent, limited applying of ablation greatly.
Summary of the invention
Shortcoming at prior art, the purpose of this invention is to provide a kind of Diaphragming air bag that is used for ablation, by artificial interventional method, between ablation focus and the adjacent tissue around it, intercept, thereby greatly reduce the incidence rate that the adverse effect of surrounding tissue is reduced related complication.
To achieve these goals, technical scheme of the present invention is: a kind of Diaphragming air bag for ablation treatment, it comprises the hollow pipe of catheter sheath, catheter core and band capsule material, described catheter sheath is provided with the cavity that connects vertically, described capsule material communicates with hollow pipe, and described catheter core can be inserted in the cavity of described catheter sheath, and the catheter sheath that is with catheter core is pushed the target area together, from catheter sheath, withdraw from described catheter core then, more described hollow pipe is inserted in the cavity of described catheter sheath.
Described capsule material is formed on the far-end of hollow pipe, directly links to each other with hollow pipe.
The near-end flare of described catheter sheath.
The near-end of described catheter core is provided with "T"-shaped head, and the size of this "T"-shaped head is greater than the full-size of catheter sheath near-end.The far-end of catheter core should be too not sharp-pointed, in order to avoid the thorn injured tissue.
Described capsule material is made by temperature-resistant material, has excellent heat insulation property.Can adopt materials such as polyamine fat, polystyrene.
Described capsule material because of the position difference of ablation, is designed to the difformity that fits with peripheral organs, tissue in inflation or water filling or after injecting other heat insulation materials.
Before inflation or water filling, the size of described capsule material is consistent with hollow pipe.
Described hollow pipe is low rigidity pipe.
The length of described hollow pipe is more than the twice of catheter sheath.
The near-end of described hollow pipe is provided with switch.
Compared with prior art, hollow pipe capsule material of the present invention expands behind inflation or water filling or other heat insulation materials, between ablation focus and the dangerous position around it, intercept, intercepted hot conduction, ablating device such as radio-frequency therapeutic equipment, microwave therapy apparatus, argon helium knife, laser therapeutic apparatus, the cold therapy instrument the focus part is melted Shi Buhui burns or cold injury to other organs and the tissue of contiguous focus, when guaranteeing ablation Wicresoft advantage, greatly reduced adverse effect, greatly reduced the incidence rate of related complication surrounding tissue.
Description of drawings
Fig. 1 is a catheter sheath sketch map of the present invention;
Fig. 2 is a catheter core sketch map of the present invention;
Fig. 3 is a hollow pipe sketch map of the present invention;
Fig. 4 is catheter sheath of the present invention and catheter core assembling sketch map;
Fig. 5 is catheter sheath of the present invention and hollow pipe assembling sketch map;
Fig. 6 is the sketch map of the present invention under liver neoplasm ablation user mode under the CT mediation.
The specific embodiment
See also Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the baffling device that is used for ablation of the present invention comprises the hollow pipe 4 of catheter sheath 1, catheter core 2 and band capsule material 3, catheter sheath 1 is provided with the cavity 5 that connects vertically, catheter core 2, hollow pipe 3 can be inserted respectively in the cavity 5 of catheter sheath 1, catheter core 2 can help to increase firmness, conveniently be punctured to the target area, utilize the capsule material 3 of hollow pipe 4 that the obstruct volume is increased.Capsule material 3 is formed on the far-end of hollow pipe 4 and communicates with hollow pipe; Capsule material 3 is made by temperature-resistant material, has excellent heat insulation property and is not easy to break, and weakens the damage of ablating device to contiguous perilesional histoorgan greatly; Before inflation or the water filling, the size of capsule material 3 is consistent with hollow pipe, so that insert catheter sheath 1.Near-end 6 flares of catheter sheath 1, purpose are that the convenient hollow pipe 4 that will have capsule material 3 is sent into catheter sheath rapidly by near-end 6 and made capsule material 3 arrive the far-end of catheter sheath 1 smoothly.The near-end of catheter core 2 is provided with "T"-shaped 7, this size of "T"-shaped 7 is greater than the full-size of the near-end 6 of catheter sheath 1, purpose is that moving axially of catheter sheath 1 rear tube core 2 inserted in restriction, make the far-end of catheter core 2 rest on the far distance port of catheter sheath 1, convenient puncture, in addition, also help the insertion of catheter core 2 and extract operation.Hollow pipe 4 has certain pliability, handled easily for low rigidity pipe; The length of hollow pipe 4 is more than the twice of catheter sheath 1, conveniently withdraws from catheter sheath 1.The end of hollow pipe is provided with switch 9.
Seeing also Fig. 6, for the focus 12 in the right front leaf 10 of liver is melted, is that example illustrates operating process of the present invention with the intestinal tube 11 that separates the right front leaf 10 of contiguous liver:
(1) at first, with focus 12 location, the catheter sheath 1 that will be with catheter core 2 then pushes the target area together, i.e. slit between liver 10 and the intestinal tube 11 with CT (also available B ultrasonic);
(2) from catheter sheath 1, withdraw from catheter core 2, hollow pipe 4 is sent into catheter sheath 1, make the capsule material 3 of hollow pipe 4 far-ends pass the far-end of catheter sheath 1, arrive the target area fully;
(3) open hollow pipe switch 9, with injection tool (as syringe 8) at the near-end of hollow pipe 4 to 3 gas injections of capsule material or water filling or other heat insulation materials, capsule material 3 is expanded;
(4) mobile catheter sheath 1 and hollow pipe 4 utilize capsule material 3 fully to separate right front leaf 10 of liver and intestinal tube 11, close hollow pipe switch 9;
(5) withdraw from or retention catheter sheath 1;
(6) begin to carry out ablation with 13 pairs of focuses of ablation needle 12.
Though the present invention discloses as above with preferred embodiment, is not in order to limit scope of the invention process.Any those of ordinary skill in the art, promptly every when doing a little improvement in not breaking away from invention scope of the present invention according to the equal improvement that the present invention did, should be invention scope of the present invention and contain.
Claims (7)
1, a kind of Diaphragming air bag for ablation treatment, it is characterized in that, it comprises catheter sheath, the hollow pipe of catheter core and band capsule material, described catheter sheath is provided with the cavity that connects vertically, the capsule material of being made by the heatproof heat-barrier material communicates with hollow pipe and is formed on the far-end of hollow pipe, described capsule material in inflation or water filling or after injecting other heat insulation materials with surrounding tissue, organ fits, described catheter core can be inserted in the cavity of described catheter sheath, the catheter sheath that is with catheter core is pushed the target area together, from catheter sheath, withdraw from described catheter core then, more described hollow pipe is inserted in the cavity of described catheter sheath.
2, Diaphragming air bag for ablation treatment as claimed in claim 1 is characterized in that, the near-end flare of described catheter sheath.
3, Diaphragming air bag for ablation treatment as claimed in claim 1 or 2 is characterized in that, the near-end of described catheter core is provided with "T"-shaped head, and the size of this "T"-shaped head is greater than the full-size of catheter sheath near-end.
4, Diaphragming air bag for ablation treatment as claimed in claim 1 is characterized in that, before inflation or water filling, the size of described capsule material is consistent with hollow pipe.
5, Diaphragming air bag for ablation treatment as claimed in claim 1 is characterized in that, described hollow pipe is low rigidity pipe.
6, Diaphragming air bag for ablation treatment as claimed in claim 1 is characterized in that, the length of described hollow pipe is more than the twice of catheter sheath.
7, Diaphragming air bag for ablation treatment as claimed in claim 1 is characterized in that, the near-end of described hollow pipe is provided with switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100370339A CN100502799C (en) | 2006-08-15 | 2006-08-15 | Diaphragming air bag for ablation treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100370339A CN100502799C (en) | 2006-08-15 | 2006-08-15 | Diaphragming air bag for ablation treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1915184A CN1915184A (en) | 2007-02-21 |
| CN100502799C true CN100502799C (en) | 2009-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100370339A Expired - Fee Related CN100502799C (en) | 2006-08-15 | 2006-08-15 | Diaphragming air bag for ablation treatment |
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| CN (1) | CN100502799C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110192910A (en) * | 2018-02-25 | 2019-09-03 | 鄂有国 | Separation adjacent tissue type percutaneous puncture ablation device can be protected |
| CN109199569A (en) * | 2018-09-30 | 2019-01-15 | 姚雪松 | A kind of ablation protective separation device and ablation apparatus |
| CN115317144B (en) * | 2022-07-19 | 2023-03-21 | 姜勇 | Auxiliary operation system and operation robot in radiation therapy or ablation therapy process |
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- 2006-08-15 CN CNB2006100370339A patent/CN100502799C/en not_active Expired - Fee Related
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| CN1915184A (en) | 2007-02-21 |
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Granted publication date: 20090624 Termination date: 20110815 |