CN110432984A - A kind of optical fiber heating ablative surgery knife - Google Patents
A kind of optical fiber heating ablative surgery knife Download PDFInfo
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- CN110432984A CN110432984A CN201910698007.8A CN201910698007A CN110432984A CN 110432984 A CN110432984 A CN 110432984A CN 201910698007 A CN201910698007 A CN 201910698007A CN 110432984 A CN110432984 A CN 110432984A
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- Prior art keywords
- thermal insulation
- insulation layer
- optical fiber
- heat conductive
- conductive filament
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
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- Surgery (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Otolaryngology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Laser Surgery Devices (AREA)
Abstract
A kind of optical fiber of the present invention heats ablative surgery knife, pass through the external optical fiber laser transmission laser light source of light source access port, light source is passed through into collimating mirror and focus lamp by fiber cores, reduce the energy loss of light source, again by light-resource fousing on heat collecting sheet, heat is passed sequentially through the first heat conductive filament to heat collecting sheet and the second heat conductive filament is sent on blade, to be melted in the course of surgery to tumour and necrotic tissue, human body inner tissue organ blood vessel is all very subtle, cutter head blade of the present invention is fine, lesion can precisely be goed deep into and carry out volume reduction ablation, on the one hand the Bleeding rate of patient is reduced, on the other hand can also stop blooding to wound, reduce the operation pain and operation wound of patient, reach real Minimally Invasive Surgery, and it is postoperative not recur, select carbon material, significantly reduce the weight of scalpel, the progress of aspect operation, it is heat-insulated On the one hand material prevents energy loss, on the other hand prevent the excessively high safety and convenience for influencing operator and patient of surface temperature.
Description
Technical field
The present invention relates in and the field of medical instrument technology, in particular to a kind of optical fiber heat ablative surgery knife.
Background technique
At present knife head for surgical electrode by knife head for surgical front end use intermediate isolating two semi-cylindrical electrode assemblings,
In treatment, after two semi-cylindrical electrode contact tissues, generates small energy currents and act on tissue, stop blooding to tissue
The isolated insulation layer between two-stage, nothing can be punctured when two semi-cylindrical electrodes discharge large energy with solidification ablation functionality
Method completes the function of vaporization and cutting ablation；And the lesser function of current, in injected organism tissue, acting surface is narrow, and depth of interaction is shallower,
It needs to radiate operative site repeatedly in electric field, operating time is longer, increases patient's pain；Two semi-cylindrical working electrode contacts
When injected organism tissue area is uneven, energy deficiency can be generated, so that operation purpose be not achieved to injected organism tissue；Due to electricity when operation
Can temperature excessively high adhesion biological tissue, two semi-cylindrical working electrodes are easy to be surrounded insulation, and energy can not discharge when work
Come, when operation mechanical forces are excessive, will lead to the short circuit of two semi-cylindrical electrodes or jag, or even there is electrode delamination to fall into human body
Harm.
Existing scalpel is not fine enough, and during surgery in removal of lesions and ablation procedure, having to tissue and blood vessel can
Secondary damage can be will cause, ablation is additionally present of and is not thorough, for many narrow positions since scalpel can not operate, to be
Patients on Recurrence leaves inducement.
Summary of the invention
The purpose of the present invention is to provide a kind of optical fiber to heat ablative surgery knife, to solve the mesh that above-mentioned background technique proposes
In preceding tumor operation on the market, on the one hand there is patient tumors and the multifarious situation of lesions position, another aspect scalpel
Not fine enough situation, causes the difficulty of operation, the operation pain of patient and the rehabilitation situation of post-surgical trauma, and the present invention provides
A kind of optical fiber heating ablative surgery knife passes through fiber cores general by the external optical fiber laser transmission laser light source of light source access port
Laser light source passes sequentially through collimating mirror and focus lamp, reduces the energy loss of light source, finally by light-resource fousing on heat collecting sheet, collection
The luminous energy of absorption is converted to thermal energy by backing, passes sequentially through the first heat conductive filament and the second heat conductive filament is sent on blade, thus
Tumour and necrotic tissue are melted in surgical procedure, human body inner tissue organ blood vessel is all very subtle, cutter head knife of the present invention
Sword is fine, can precisely go deep into lesion and carry out volume reduction ablation, on the one hand reduce the Bleeding rate of patient, on the other hand can also be to wound
Mouthful stop blooding, reduce the operation pain and operation wound of patient, reach real Minimally Invasive Surgery, and it is postoperative do not recur,
Carbon material is selected, the weight of scalpel, the progress of aspect operation are significantly reduced, on the one hand heat-barrier material prevents energy from damaging
On the other hand consumption prevents the excessively high safety and convenience for influencing operator and patient of surface temperature, the treatment of ablation of the present invention
Effect is significant, easy to operate, wound is small, good tissue around highly-safe, maximum protection.
To achieve the above object, the invention provides the following technical scheme: a kind of optical fiber heats ablative surgery knife, including knife
Handle, first thermal insulation layer, bulb envelope, fiber cores, capping, light source access port, fixing seat, focus lamp, status display, collimating mirror,
Heat collecting sheet, second thermal insulation layer, the first shell, third thermal insulation layer, second housing, the first heat conductive filament, cutter head, blade, temperature sensing
Device and the second heat conductive filament, the knife handle, capping and second thermal insulation layer are connected to form a closed space, on the outside of the knife handle
Equipped with status display, first thermal insulation layer is equipped on the inside of the knife handle, the left side is equipped with bulb envelope, institute on the inside of the first thermal insulation layer
It states and is equipped with fixing seat on the right side of first thermal insulation layer, the first thermal insulation layer is connected with focus lamp and collimating mirror by fixing seat, described
It is enclosed with fiber cores on the inside of bulb envelope, is equipped with heat collecting sheet, the heat collecting sheet and the first heat conductive filament on the left of the second thermal insulation layer
Connection, first heat conductive filament periphery are wrapped with third thermal insulation layer, and the third thermal insulation layer outer side covering has the first shell and second
Shell, first heat conductive filament and the second heat conductive filament junction are equipped with temperature sensor, and second heat conductive filament connect with blade,
Second heat conductive filament is built in cutter head, and first shell is connect with second thermal insulation layer, the second housing and the first shell
Connection, the cutter head are connect with second housing.
Preferably, the first thermal insulation layer, second thermal insulation layer and third thermal insulation layer material are identical heat-insulated material, specifically
Glass fibre, aerogel blanket and high silica wool can be selected in material.
Preferably, the bulb envelope refractive index is lower than fiber cores, light beam can be maintained in fiber cores.
Preferably, the external optical fiber laser of the light source access port conveys light source.
Preferably, the status display shows that second heat conductive filament's temperature and stopwatch are shown, second heat conductive filament's temperature display area
Between be 15 ~ 80 DEG C, stopwatch can show operation duration, to clinical data analysis.
Preferably, the knife handle, the first shell and second housing are same material, and specific material is carbon materials.
Preferably, first heat conductive filament and the second heat conductive filament are same material, and graphene, thermally conductive can be selected in specific material
Silicone grease, heat conductive silica gel and boron nitride heat conductive rubber.
Preferably, the material of the heat collecting sheet is graphene.
Preferably, the minimum thickness D2 of the blade is 0.15mm, and the minimum thickness of D1 is 0.39mm.
Preferably, the focus lamp is matched with collimating mirror, reduces the loss of light source.
The beneficial effects of the present invention are: providing a kind of optical fiber heating ablative surgery knife, pass through the external optical fiber of light source access port
Laser light source is passed sequentially through collimating mirror and focus lamp by fiber cores, reduces the energy of light source by laser transmission laser light source
Loss, finally by light-resource fousing on heat collecting sheet, the luminous energy of absorption is converted to thermal energy by heat collecting sheet, passes sequentially through the first heat conductive filament
It is sent on blade with the second heat conductive filament, to be melted in the course of surgery to tumour and necrotic tissue, group in human body
It is all very subtle to knit organ blood vessel, cutter head blade of the present invention is fine, can precisely go deep into lesion and carry out volume reduction ablation, on the one hand reduce
On the other hand the Bleeding rate of patient can also stop blooding to wound, reduce the operation pain and operation wound of patient, reach
Real Minimally Invasive Surgery, and it is postoperative do not recur, select carbon material, significantly reduce the weight of scalpel, aspect operation
Progress, heat-barrier material on the one hand prevent energy loss, on the other hand prevent the excessively high influence operator of surface temperature and patient
Safety and convenience, ablation of the present invention it is significant in efficacy, it is easy to operate, wound is small, highly-safe, maximum guarantor
Good tissue around shield.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is cutter head structure schematic diagram of the present invention；
1, knife handle, 2, first thermal insulation layer, 3, bulb envelope, 4, fiber cores, 5, capping, 6, light source access port, 7, fixing seat, 8, poly-
Jiao Jing, 9, status display, 10, collimating mirror, 11, heat collecting sheet, 12, second thermal insulation layer, the 13, first shell, 14, third thermal insulation layer,
15, second housing, the 16, first heat conductive filament, 17, cutter head, 18, blade, 19, temperature sensor, the 20, second heat conductive filament.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution: a kind of 1. optical fiber heating ablative surgery knives, including knife handle referring to FIG. 1-2,
1, first thermal insulation layer 2, bulb envelope 3, fiber cores 4, capping 5, light source access port 6, fixing seat 7, focus lamp 8, status display 9,
Collimating mirror 10, heat collecting sheet 11, second thermal insulation layer 12, the first shell 13, third thermal insulation layer 14, second housing 15, the first heat conductive filament
16, cutter head 17, blade 18, temperature sensor 19 and the second heat conductive filament 20, the knife handle 1, capping 5 are connected with second thermal insulation layer 12
It connects to form a closed space, status display 9 is equipped on the outside of the knife handle 1, is equipped with first thermal insulation layer 2 on the inside of the knife handle 1,
The 2 inside left side of first thermal insulation layer is equipped with bulb envelope 3, is equipped with fixing seat 7 on the right side of the first thermal insulation layer 2, and described first
Thermal insulation layer 2 is connected with focus lamp 8 and collimating mirror 10 by fixing seat 7, and fiber cores 4 are enclosed on the inside of the bulb envelope 3, described
Heat collecting sheet 11 is equipped on the left of second thermal insulation layer 12, the heat collecting sheet 11 is connect with the first heat conductive filament 16, first heat conductive filament 16
Periphery is wrapped with third thermal insulation layer 14, and 14 outer side covering of third thermal insulation layer has the first shell 13 and a second housing 15, and described
One heat conductive filament 16 and 20 junction of the second heat conductive filament are equipped with temperature sensor 19, and second heat conductive filament 20 connect with blade 18,
Second heat conductive filament 20 is built in cutter head 17, and first shell 13 is connect with second thermal insulation layer 12, the second housing 15
It is connect with the first shell 13, the cutter head 17 is connect with second housing 15.
As further scheme of the invention, first thermal insulation layer 2, second thermal insulation layer 12 and 14 material of third thermal insulation layer are phase
Glass fibre, aerogel blanket and high silica wool can be selected in same heat-insulated material, specific material；As further side of the invention
Case, 3 refractive index of bulb envelope are lower than fiber cores 4, light beam can be maintained in fiber cores 4；As further side of the invention
Case, the external optical fiber laser of light source access port 6 convey light source；As further scheme of the invention, the display of status display 9 second
20 temperature of heat conductive filament and stopwatch show that 20 temperature display section of the second heat conductive filament is 15 ~ 80 DEG C, when stopwatch can show operation
It is long, to clinical data analysis；As further scheme of the invention, knife handle 1, the first shell 13 and second housing 15 are identical
Material, specific material are carbon materials；As further scheme of the invention, the first heat conductive filament 16 and the second heat conductive filament 20 are phase
Graphene, heat-conducting silicone grease, heat conductive silica gel and boron nitride heat conductive rubber can be selected in same material, specific material；As it is of the invention into
One step scheme, the material of heat collecting sheet 11 are graphene；As further scheme of the invention, the minimum thickness D2 of blade 18 is
The minimum thickness of 0.15mm, D1 are 0.39mm；As further scheme of the invention, focus lamp 8 is matched with collimating mirror 10, drop
The loss of low light source.
Working principle: a kind of optical fiber of the present invention heats ablative surgery knife, defeated by the external optical fiber laser of light source access port 6
Laser light source is sent, laser light source is passed sequentially through into collimating mirror 10 and focus lamp 8 by fiber cores 4, reduces the energy loss of light source,
Finally by light-resource fousing on heat collecting sheet 11, the luminous energy of absorption is converted to thermal energy by heat collecting sheet 11, passes sequentially through the first heat conductive filament
16 and second heat conductive filament 20 be sent on blade 18, to be melted in the course of surgery to tumour and necrotic tissue, people
In-vivo tissue organ blood vessel is all very subtle, and cutter head 17 and blade 18 of the present invention are fine, can precisely go deep into lesion progress volume reduction and disappear
Melt, on the one hand reduce patient Bleeding rate, on the other hand can also stop blooding to wound, reduce patient operation pain and
Operation wound reaches real Minimally Invasive Surgery, and it is postoperative do not recur, select carbon material, significantly reduce scalpel
On the one hand weight, the progress of aspect operation, heat-barrier material prevent energy loss, on the other hand prevent the excessively high influence behaviour of surface temperature
The safety and convenience of author and patient.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of optical fiber heats ablative surgery knife, including knife handle (1), first thermal insulation layer (2), bulb envelope (3), fiber cores (4),
Cover (5), light source access port (6), fixing seat (7), focus lamp (8), status display (9), collimating mirror (10), heat collecting sheet (11),
Second thermal insulation layer (12), the first shell (13), third thermal insulation layer (14), second housing (15), the first heat conductive filament (16), cutter head
(17), blade (18), temperature sensor (19) and the second heat conductive filament (20), the knife handle (1), capping (5) and second thermal insulation layer
(12) it is connected to form a closed space, is equipped with status display (9) on the outside of the knife handle (1), is set on the inside of the knife handle (1)
Have first thermal insulation layer (2), the left side is equipped with bulb envelope (3) on the inside of the first thermal insulation layer (2), and the first thermal insulation layer (2) is right
Side is equipped with fixing seat (7), and the first thermal insulation layer (2) is connected with focus lamp (8) and collimating mirror (10), institute by fixing seat (7)
It states and is enclosed with fiber cores (4) on the inside of bulb envelope (3), be equipped with heat collecting sheet (11) on the left of the second thermal insulation layer (12), the collection
Backing (11) is connect with the first heat conductive filament (16), and the first heat conductive filament (16) periphery is wrapped with third thermal insulation layer (14), and described
Three thermal insulation layers (14) outer side covering has the first shell (13) and second housing (15), first heat conductive filament (16) and second thermally conductive
Silk (20) junction is equipped with temperature sensor (19), and second heat conductive filament (20) connect with blade (18), and described second is thermally conductive
Silk (20) be built in cutter head (17), first shell (13) connect with second thermal insulation layer (12), the second housing (15) and
First shell (13) connection, the cutter head (17) connect with second housing (15).
2. a kind of optical fiber according to claim 1 heats ablative surgery knife, it is characterised in that: the first thermal insulation layer (2),
Second thermal insulation layer (12) and third thermal insulation layer (14) material are identical heat-insulated material, and glass fibre, gas can be selected in specific material
Gel felt and high silica wool.
3. a kind of optical fiber according to claim 1 heats ablative surgery knife, it is characterised in that: bulb envelope (3) folding
Rate is penetrated lower than fiber cores (4), light beam can be maintained in fiber cores (4).
4. a kind of optical fiber according to claim 1 heats ablative surgery knife, it is characterised in that: the light source access port (6)
External optical fiber laser conveys light source.
5. a kind of optical fiber according to claim 1 heats ablative surgery knife, it is characterised in that: the status display (9) is aobvious
Show that the second heat conductive filament (20) temperature and stopwatch are shown, the second heat conductive filament (20) temperature display section is 15 ~ 80 DEG C, and stopwatch can be shown
Show operation duration, to clinical data analysis.
6. a kind of optical fiber according to claim 1 heats ablative surgery knife, it is characterised in that: the knife handle (1), outside first
Shell (13) and second housing (15) are same material, and specific material is carbon materials.
7. a kind of optical fiber according to claim 1 heats ablative surgery knife, it is characterised in that: first heat conductive filament (16)
It is same material with the second heat conductive filament (20), it is thermally conductive that graphene, heat-conducting silicone grease, heat conductive silica gel and boron nitride can be selected in specific material
Rubber.
8. a kind of optical fiber according to claim 1 heats ablative surgery knife, it is characterised in that: the material of the heat collecting sheet (11)
Matter is graphene.
9. a kind of optical fiber according to claim 1 heats ablative surgery knife, it is characterised in that: the minimum of the blade (18)
Thickness D2 is 0.15mm, and the minimum thickness of D1 is 0.39mm.
10. a kind of optical fiber according to claim 1 heats ablative surgery knife, it is characterised in that: the focus lamp (8) and standard
Straight mirror (10) matches, and reduces the loss of light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698007.8A CN110432984A (en) | 2019-07-31 | 2019-07-31 | A kind of optical fiber heating ablative surgery knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698007.8A CN110432984A (en) | 2019-07-31 | 2019-07-31 | A kind of optical fiber heating ablative surgery knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110432984A true CN110432984A (en) | 2019-11-12 |
Family
ID=68432462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910698007.8A Pending CN110432984A (en) | 2019-07-31 | 2019-07-31 | A kind of optical fiber heating ablative surgery knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110432984A (en) |
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2019
- 2019-07-31 CN CN201910698007.8A patent/CN110432984A/en active Pending
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Effective date of registration: 20200603 Address after: No. 333 Jiulong Road, Wujiang Economic Development Zone, Suzhou City, Jiangsu Province, 215000 Applicant after: Beijing (Suzhou) Medical Technology Co.,Ltd. Address before: No. 333 Jiulong Road, Wujiang Economic Development Zone, Suzhou City, Jiangsu Province, 215000 Applicant before: Zhao Sheng |