CN105796174A - Optical auxiliary distance measurement scalpel - Google Patents
Optical auxiliary distance measurement scalpel Download PDFInfo
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- CN105796174A CN105796174A CN201610114461.0A CN201610114461A CN105796174A CN 105796174 A CN105796174 A CN 105796174A CN 201610114461 A CN201610114461 A CN 201610114461A CN 105796174 A CN105796174 A CN 105796174A
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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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
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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
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Abstract
The invention provides an optical auxiliary distance measurement scalpel. In the optical auxiliary distance measurement scalpel, a collimating light source is arranged at a scalpel handle, a light spot formed by collimating parallel light beams emitted by the collimating light source is positioned to the edge of the lesion tissue and serves as a distance control origin point, the distance between the light spot and the point of the scalpel is set as a safe distance for surgical cutting, the point position of the scalpel is a surgical cutting position on the premise that the minimum safe distance is ensured, and accordingly the distance between the scalpel and the edge of the lesion tissue can be dynamically indicated during operation.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of optics junior range scalpel.
Background technology
Operation be treatment all kinds of good/major way of malignant tumor, the basic principle of surgical oncology is not cut principle and en bloc resection principle, prevent cancerous cell discrete in operation process from directly planting additionally, also need to apply various measure or send out to prevent recurrence, namely without tumor principle.Therefore, must excise apart from the certain distance in tumor week when tumor resection.The tissue regions (Margins) between border when incisxal edge in oncology's meaning refers to the border of tumor to excision.Substantial amounts of research shows, the postoperative pathological state of surgical resection margins is the independent hazard factor of malignant tumor prognosis.Positive surgical margins includes incisxal edge place naked eyes visual tumors residual and naked eyes have no but sees submucous tumor cell residue or cancer in situ under microscope.Negative incisxal edge includes the upper atypical hyperplasia of histology, simple hyperplasia and normal incisxal edge.Not etc., incisxal edge 1 to the 2mm such as glottic carcinoma is not considered enough to the incisxal edge distance that the tumor of different parts requires, the surgical margins of Advanced Laryngeal Carcinoma is typically considered to 5mm.
For superficial tumor, the preoperative otch (Cutedge) in the operation of body surface marking is conventional method to obtain enough incisxal edges.Tumor for chamber, for instance incidence laryngeal carcinoma, hypopharyngeal cancer, carcinoma of tongue etc., it is impossible to the line of cut of marked tumor on mucosa, patient judges the otch planned to implement often through the visual length from tumor boundaries.There is very big uncertainty in the range estimation of this distance, including the experience of patient, the difference at visual angle, the impact of illumination, the character of tumor, tumor form etc..In a sense, in the today doing one's utmost to advance precisely medical treatment and individualized treatment, patient concerns on tumor recurrence sixty-four dollar question incisxal edge is this, or with sensation.Accordingly, it would be desirable to a kind of new instrument changes the blindness of this operation.
In prior art 1, doctor Qiu Huijie of Hanting District the People's Hospital of Weifang City of Shandong Province has invented a kind of scalpel (CN202143645U) having and measuring function.As it is shown in figure 1, this scalpel is provided with transverse arm 3 at handle of a knife root, transverse arm is provided with vertical pipes 4, is provided with and slides chi 5 in vertical pipes, slides slow front end and is provided with ball 6.When patient is performed the operation, cutter hub 2 cutting tissue simultaneously ball 6 contacts skin surface, observes and slides chi 5 and enter the data of vertical pipes and can control scalpel depth of cut.
But, this measurement is the measurement of the degree of depth, but not the measurement of horizontal bedding, it is impossible to guided operation cutter is by certain tumor boundaries distance cutting.Additionally, this scalpel is by carrying out assist control depth of cut with the device sliding chi, it is easy to block patient's sight line.
Further, it will be appreciated by persons skilled in the art that if scalpel adopts the instruction pin design being parallel to point of a knife, when tumor week excises, owing to tumor appearance face is likely to be uneven, it is easy to occur that instruction pin punctures the situation of tumor, cause operative failure.
In prior art 2, doctor Xiong Li of Changsha, Hunan Xiangye No. 2 Hospital of Central South University has invented a kind of Multifunctional bistoury (CN103815964A).This Multifunctional bistoury includes: handle of a knife 1, weak laser light source 3.One end of handle of a knife 1 is provided with cutter head 4.Being integrated with more than one on cutter head 4 can to the optical fibers 2 of emission weak laser (wavelength contains visible ray and black light).This optical fibers 2 one end is connected with weak laser light source 3 after handle of a knife 1.Cutter head is offered cutter head hole, one end of optical fibers 2 is placed in cutter head hole 7, thus in operation process, the light that weak laser light source sends can be irradiated to tissue surface through optical fibers.Traditional operation cutter is combined by this Multifunctional bistoury with light Power compound scalpel, when specimens is purged, on the basis not disturbing operation to implement, the cancerous cell that doctor be can't see by the photodynamics characteristic of weak laser scalpel can be utilized thoroughly to remove.
But, this Multifunctional bistoury utilizes the biochemical action of weak laser that cancerous cell is purged, its radiant power generally tens milliwatts to hundreds of milliwatts, for treatment laser, but not instruction laser.
In the process realizing the present invention, it is found by the applicant that: in prior art, the improvement of scalpel is mostly focused on the degree of depth controlling cutting or struts surgical field of view etc., not yet occur can dynamically indicating the scalpel from borderline tumor distance when operation, the randomness of patient is relatively big, causes that tumor cutting operation accuracy is poor.
Summary of the invention
(1) to solve the technical problem that
In view of above-mentioned technical problem, the invention provides a kind of optics junior range scalpel, can dynamically indicate from borderline tumor distance when operation.
(2) technical scheme
Optics junior range scalpel of the present invention includes: handle of a knife 10；Cutter head 20, is fixed on the front end of handle of a knife；And collimated light source, it is fixed on outside handle of a knife or is integrated in inside handle of a knife, the collimation collimated light beam that it sends has a tilt angle theta relative to handle of a knife axis, and this collimation collimated light beam is being crossed point of a knife and is being perpendicular to the luminous point of formation in the plane of handle of a knife and the safe distance L that distance is surgical cut of point of a knife.
Preferably, in optics junior range scalpel of the present invention, on pathological tissues surface, projection forms a luminous point A to collimation collimated light beam；When luminous point is moved into the marginal position of pathological tissues, point of a knife can be positioned the surgical cut position B outside pathological changes edge.
Preferably, in optics junior range scalpel of the present invention, tilt angle theta is between 1 °～37 °, and/or the Zhou Jing of luminous point is less than or equal to 1mm.
Preferably, in optics junior range scalpel of the present invention, collimated light source is lasing light emitter, and collimation collimated light beam is the laser beam met the following conditions:
1) power is less than 1 milliwatt, and wavelength is between the Equations of The Second Kind laser of 400～700mm；
2) power is between the 3rd A class laser of 1～5 milliwatt.
Preferably, in optics junior range scalpel of the present invention, lasing light emitter is: laser instrument 30, is fixed on outside handle of a knife or is integrated in inside handle of a knife；Or optical fiber 80, handle of a knife is fixed in its front end, and its rear end is connected to the laser instrument outside independent of optics junior range scalpel.
Preferably, optics junior range scalpel of the present invention includes: N number of collimated light source, wherein N >=2；This N number of collimated light source is independently arranged on handle of a knife, and the collimation collimated light beam of injection is different relative to the tilt angle theta of handle of a knife axis.
Preferably, optics junior range scalpel of the present invention includes: the collimated light source of M, wherein M >=2；The collimated light source of this M is the 360 °/M in interval setting between two on the horizontal plane be perpendicular to handle of a knife, and the collimation collimated light beam of injection is identical relative to the tilt angle theta of handle of a knife axis.
Preferably, in optics junior range scalpel of the present invention, collimated light source is that strip is tubular, its tilt adjustable on handle of a knife, so that its collimation collimated light beam sent changes relative to the tilt angle theta correspondence of handle of a knife axis.
Preferably, optics junior range scalpel of the present invention also includes: joint 40, and its end is fixed on handle of a knife 10, and its front end is " U "-shaped with sandwiched collimated light source；Fixed screw, for being locked in the " u "-shaped front end in joint by collimated light source.
Preferably, in optics junior range scalpel of the present invention, cutter head is the one in following cutter head: radio frequency cutter head, laser probe, ultrasonic cutter head, high frequency electric knife cutter head and argon-gas knife cutter head.
(3) beneficial effect
From technique scheme it can be seen that optics junior range scalpel of the present invention has the advantages that
(1) collimated light source of inclination is set at the handle of a knife place of scalpel, in operation process, the light spot that this collimated light source sends is at borderline tumor, as distance controlling initial point, distance between itself and scalpel point of a knife is predetermined to be the safe distance of surgical cut, then point of a knife place is the tumor week cutting zone under minimum safe distance ensures, thus can dynamically indicate and borderline tumor distance when operation；
(2) collimated light source angle of inclination on handle of a knife can adjust, such that it is able to the type according to tumor to be cut, selects different safe distances；
(3) by arranging multiple collimated light sources of differing tilt angles on handle of a knife, safe distances corresponding different respectively, the collimated light source work selecting corresponding particular safety distance in tumor cutting operation dynamically indicates from borderline tumor distance, the very big use facilitating patient；
(4) by arranging, in the conplane surrounding of handle of a knife, multiple collimated light sources that angle of inclination is identical, it is possible to make scalpel all can indicate distance in all directions in real time, facilitate patient to use, the complicated tumor complete resection according to secure border also it is beneficial to；
(5) laser adopting collimation best produces collimation collimated light beam, it is possible to reduce the Zhou Jing of luminous point to greatest extent, improves pointing accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation that prior art 1 has the scalpel measuring function；
Fig. 2 is the structural representation of prior art 2 Multifunctional bistoury；
Fig. 3 is the structural representation of laser assisted range finding scalpel according to a first embodiment of the present invention；
Fig. 4 is the structural representation of laser assisted range finding scalpel according to a second embodiment of the present invention；
Fig. 5 is the structural representation of laser assisted range finding scalpel according to a third embodiment of the present invention；
Fig. 6 is the structural representation of laser assisted range finding scalpel according to a fourth embodiment of the present invention.
[main element]
10-handle of a knife；20-cutter head；30,31～36-laser instrument；
40-joint；50-power line；60-pathological tissues；
61-tumor；70-control knob group；80-optical fiber；
A, A1, A2, A3-laser spot；
B-point of a knife location；
L-safe distance；
Distance between D-point of a knife and laser instrument position.
Detailed description of the invention
The present invention arranges collimated light source at the handle of a knife place of scalpel, in operation process, the luminous point that the collimation collimated light beam that this collimated light source sends is formed is positioned to borderline tumor, as distance controlling initial point, distance between itself and the point of a knife of scalpel is set to the safe distance of surgical cut, point of a knife place is the tumor week cutting zone under minimum safe distance ensures, thus can dynamically indicate the distance with borderline tumor when operation.
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
One, first embodiment
In first exemplary embodiment of the present invention, it is provided that a kind of laser assisted range finding scalpel.Refer to Fig. 3, the present embodiment laser assisted range finding scalpel includes: handle of a knife 10；Cutter head 20, is fixed on the front end of handle of a knife；Laser instrument 30, is fixed on handle of a knife 10, and its laser beam sent tilts a predetermined angle θ relative to handle of a knife axis.Wherein, this laser is by point of a knife and the safe distance L that distance is surgical cut of luminous point and point of a knife that is perpendicular in the plane of handle of a knife to be formed.
In use, on pathological tissues surface, projection forms a luminous point A to laser beam, and this luminous point is located in tumor 61 marginal position, as distance controlling initial point.With distance controlling initial point for benchmark, now, the distance of point of a knife location B and tumor 61 is just the safe distance L of surgical cut, and cutter head can carry out surgical cut herein.As required, luminous point A also can be left borderline tumor certain distance by patient, to obtain the distance bigger than surgical margins.
It will be appreciated by those skilled in the art that employing laser spot carrys out orientation distance and controls initial point, one will not stab out tumor causes operative failure；Two can avoid blocking patient's sight line as far as possible, are conducive to carrying out of operation.
Individually below each ingredient of the present embodiment laser assisted range finding scalpel is described in detail.
In the present invention, handle of a knife 10 and cutter head 20 can be handle of a knife miscellaneous and cutter head in prior art, it is therefore preferable to radio frequency cutter head, laser probe, ultrasonic cutter head, high frequency electric knife cutter head or argon-gas knife cutter head etc..Compared with common cutter head, the hemostasis while paying close attention to cutting of these cutter heads, thus avoiding the hemorrhage visual field affecting doctor.
In the present embodiment, adopting high frequency electric knife cutter head, the heat effect produced when it utilizes high-frequency alternating current by high value antibiont tissue carries out cutting and stopping blooding.Procedures electrode is only small with the contact area of biological tissue, electric current density is significantly high, and electric current, by a bit flowing to tissue on procedures electrode, produces heat in electrode supply limited range, make in-house Cell sap quickly evaporate to reach tissue and be cut open, or localized hyperthermia burns incrustation and condenses the effect of hemostasis.
Refer to Fig. 3, the strip tubulose laser instrument that laser instrument 30 is constituted for micro semiconductor laser diode, its diameter is 4mm, and length is 13mm.So little volume, it is possible to avoid blocking the patient visual field as far as possible.Further, the focus adjustable of this laser instrument 30, in order to control and reduce as far as possible the Zhou Jing of distance controlling initial point self.
In the Multifunctional bistoury that prior art 2 provides, what utilize is that the photodynamic effect of weak laser is to remove sightless cancerous cell thus carrying out auxiliary treatment, therefore, its power is generally higher than 10mw, and require that laser has certain diversity, with to predeterminable area, rather than the cancerous cell in only small point works.
And in the present embodiment, laser spot is used to refer to distance, its wavelength is about 650nm, die power < 5mw, the Zhou Jing of laser spot less than 1mm, to play obvious mark action.
Classification according to American National Standards Institute (ANSI) and U.S. food Drug Administration (FDA): power is less than 1 milliwatt, and wavelength is between Equations of The Second Kind (Class2 or the II) laser of 400～700nm；Or power is between the 3rd A class (Class3A or IIIa) laser of 1～5 milliwatt, to exposure tissue without biochemical action, all may apply in the present invention.
Herein it should be noted that generally, the volume of tumor is relatively big, therefore by optical codes in the marginal position of tumor.And at some in particular cases, the small volume of tumor, the edge of luminous point now can be positioned the edge of tumor.
About the predetermined angle θ that laser beam tilts relative to handle of a knife axis, distance D and safe distance L between its with point of a knife and laser instrument position are relevant.Generally, distance D is between 20～50mm, it is contemplated that the generally span 1-15mm of intracavity safe distance L, therefore tilt angle theta generally between but be not limited between 1 °～37 °.
As described in the prior art, the incisxal edge distance that the tumor of different parts requires not etc., therefore, if the angle of inclination of laser instrument 30 is fixing will can not meet the needs implementing dissimilar tumor operation.
Continuing referring to Fig. 3, the radial outside at handle of a knife 10 is fixed with joint 40.The end in this joint 40 is fixed on handle of a knife 10, and its front end is " U "-shaped.Laser instrument 30, by the sandwiched " u "-shaped front end with joint 40, is locked by fixed screw.When needs adjust laser deflection angle, unclamp fixed screw；After laser deflection angle adjustment, being locked by fixed screw, the angle of inclination of laser instrument is also just locked.
It should be noted that the combination that the present embodiment adopts joint and fixed screw realizes the adjustment to laser deflection angle, but the present invention is not limited thereto.It will be understood by those skilled in the art that any mode that can realize laser angle adjustment, for instance: universal joints etc. all can apply in the present invention.Additionally, if scalpel only needs to do a kind of tumor operation, safe distance need not regulate, then laser instrument can also directly adopt gluing or encapsulation mode to be fixed on handle of a knife.
Continuing referring to Fig. 3, the power line of laser instrument 30 is connected in handle of a knife.Meanwhile, the corresponding control knob group 70 of arranged outside at handle of a knife, including: TURP button, coagulation button and laser instrument button.Wherein, TURP button and coagulation button are used for controlling high-frequency electric cutter head, and laser instrument button is for controlling the switch of laser instrument 30.In laser assisted range finding scalpel, the electric power unification of laser instrument and high-frequency electric cutter head is introduced by power line 50.
It should be noted that introduce the technology contents such as voltage process about power line 50, the emphasis that equal non-invention is paid close attention to, no longer describe in detail at this.
The operation principle of the present embodiment laser assisted range finding scalpel is introduced below in conjunction with Fig. 3:
(1) before the surgery, take the scale that a least unit is millimeter, make it perpendicular with the handle of a knife of laser assisted range finding scalpel；Point of a knife is against on scale；
(2) opening laser instrument, the laser spot that laser instrument sends projects on scale；Unclamp fixed screw, adjust the angle of inclination of laser instrument, make the distance safe distance equal to surgical cut of laser spot and point of a knife；Tighten fixed screw, the angle of inclination of locked laser；
(3) in operation carries out, opening laser instrument 30, laser spot projects on pathological tissues 60, the position of mobile laser assisted range finding scalpel, laser spot A is positioned borderline tumor position or slightly outer position, as distance controlling initial point；Now, scalpel point of a knife location B just drops on safe distance place or position in addition outside tumor 61；Thus the region cut is exactly equal to or more than set cutting zone.
It will be appreciated by those skilled in the art that, this embodiment avoids the tumor incisxal edge level that judge distance brings uneven, guarantee the complete resection of tumor, all of solid tumor patient all can therefrom benefit, randomness time particularly by change surgical tumor resection, the excision making tumor actually enters the accurate epoch, it would be possible to set up the industry standard that surgical oncology is new.
Two, the second embodiment
In second exemplary embodiment of the present invention, additionally provide another kind of laser assisted range finding scalpel.This laser assisted range finding scalpel is similar with first embodiment, is distinctive in that: adopt optical fiber 80 to replace laser instrument 30,
Refer to Fig. 4, the front end of optical fiber 80 is fixed on joint 4, and is locked by fixed screw, and its end is found range the LASER Light Source outside scalpel through guided inside to the laser assisted of handle of a knife.
Compared with first embodiment, the present embodiment adopts optical fiber 80 to replace laser instrument 30, and volume is less, has no substantial effect on the visual field of patient, and, whole scalpel more light and flexible.
It will be understood by those skilled in the art that, in the present embodiment with first embodiment, in order to facilitate adjusting angle, laser instrument or optical fiber are arranged at the outside of handle of a knife, but the present invention is not limited thereto, in other embodiments of the present invention, if having suitable regulative mode, laser instrument or optical fiber can also be integrated in the inside of handle of a knife, but like this regulate and would be less than conveniently.
It should be noted that for the purpose reaching brief description, in above-mentioned first embodiment, any technical characteristic making same application describes all and in this, it is not necessary to repeat identical narration.
Three, the 3rd embodiment
In the 3rd exemplary embodiment of the present invention, additionally provide another kind of laser assisted range finding scalpel.
Refer to Fig. 5, the present embodiment laser assisted range finding scalpel is similar with first embodiment, it is distinctive in that: there is independent three laser instrument (31,32,33), these three laser instrument are arranged inside handle of a knife and the angle of inclination of outgoing laser beam is different, laser spot respectively A1, A2 and the A3 that three is corresponding, the distance of three laser spots and point of a knife is respectively as follows: L1=1mm, L2=5mm, L3=10mm.In the present embodiment,
In the middle of actually used, according to the safe distance needed for tumor operation, utilize and select switch to select one of them work of three laser instrument, such as: for Advanced Laryngeal Carcinoma hands art, laser instrument in the middle of selecting lights, two other laser instrument does not work, the laser spot that then this laser instrument sends corresponds to distance controlling initial point A2, it corresponds to safe distance 5mm, in the middle of operation carries out, the position of mobile laser assisted range finding scalpel, laser spot is positioned the position that tumor is peripheral, surgical knife head cuts in the outer fix of tumor, the region of cutting is exactly equal to the cutting zone set.
In the present embodiment, using laser instrument 31 to work, additionally two-laser is closed, and this laser spot A1 corresponding to laser instrument 31 is located in borderline tumor position.The described position B of the point of a knife of scalpel and the distance of borderline tumor position are 10mm.
It will be appreciated by persons skilled in the art that those skilled in the art can as required and handle of a knife area set the number of laser instrument, for instance 2,4 or 5, and be not limited to 3 in the present embodiment.Additionally, the equally possible optical fiber of laser instrument in the present embodiment replaces, or utilize lens mechanism that beam of laser is beamed into three-beam, all can realize the present invention.
It should be noted that for the purpose reaching brief description, in above-mentioned first embodiment, any technical characteristic making same application describes all and in this, it is not necessary to repeat identical narration.
Four, the 4th embodiment
In the 4th exemplary embodiment of the present invention, additionally provide another kind of laser assisted range finding scalpel.
Refer to Fig. 6, the present embodiment laser assisted range finding scalpel is similar with first embodiment, is distinctive in that: arrange a laser instrument in handle of a knife surrounding every 90 °, namely always has four laser instrument (30,34,35,36).These four laser instrument are projecting on pathological tissues 60, form the indicating area with certain radius, make scalpel all can indicate distance in all directions in real time, facilitate patient to use, and are also beneficial to complicated tumor according to secure border ground complete resection.
It will be appreciated by persons skilled in the art that about the number and spacing of angle of laser instrument around handle of a knife, it is possible to reasonable set as required, and should the limited number of the present embodiment and angle.
Five, the 5th embodiment
In the 5th exemplary embodiment of the present invention, additionally provide another kind of optics junior range scalpel.The present embodiment laser assisted range finding scalpel is similar with first embodiment, is distinctive in that: adopt LED light source+collimator to replace laser instrument to provide collimation collimated light beam.
It will be apparent to those skilled in the art that except adopting LED light source+collimator to provide collimation collimated light beam, it is also possible to adopt other the optics group that can produce collimation collimated light beam to replace laser instrument, will not enumerate herein.
In addition it is also necessary to illustrate, optics junior range scalpel of the present invention is except can be applicable to tumor cutting operation, it is also possible to is applied in other surgical operations, will not enumerate herein.
So far, already in connection with accompanying drawing, five embodiments of the present invention have been described in detail.
It will be understood by those skilled in the art that above-described embodiment can based on the consideration of design and reliability, the collocation that is mixed with each other uses or uses with other embodiment mix and match, and namely the technical characteristic in different embodiments can freely form more embodiment.
According to above description, those skilled in the art's scalpel of should laser assisted of the present invention being found range have and clearly recognized.
It should be noted that in accompanying drawing or description text, the implementation not illustrating or describing, it is in art form known to a person of ordinary skill in the art, is not described in detail.Additionally, the above-mentioned definition to each element and method is not limited in various concrete structures, shape or the mode mentioned in embodiment, it can be carried out change simply or replace by those of ordinary skill in the art.
Additionally, can provide the demonstration of the parameter comprising particular value herein, but these parameters are without being definitely worth equal to corresponding, but can be similar to analog value in acceptable error margin or design constraint.Further, the direction term mentioned in embodiment, for instance " on ", D score, "front", "rear", "left", "right" etc., be only the direction with reference to accompanying drawing, be not used for limiting the scope of the invention.
In sum, the present invention is obliquely installed collimated light source at the handle of a knife place of scalpel, in operation process, the light that this collimated light source sends be radiated at tumor edge or slightly outside, as distance controlling initial point, distance between itself and the point of a knife of scalpel is set to the safe distance of surgical cut, thus can dynamically indicate from borderline tumor distance when operation.
Particular embodiments described above; the purpose of the present invention, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only specific embodiments of the invention; it is not limited to the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. an optics junior range scalpel, it is characterised in that including:
Handle of a knife (10)；
Cutter head (20), is fixed on the front end of described handle of a knife；And
Collimated light source, it is fixed on outside handle of a knife or is integrated in inside handle of a knife, the collimation collimated light beam that it sends has an angle of inclination (θ) relative to handle of a knife axis, and this collimation collimated light beam is being crossed point of a knife and is being perpendicular to the luminous point of formation in the plane of handle of a knife and the safe distance that distance is surgical cut (L) of point of a knife.
2. optics junior range scalpel according to claim 1, it is characterised in that projection forms a luminous point (A) to described collimation collimated light beam on pathological tissues surface；
When described luminous point is moved into the marginal position of pathological tissues, point of a knife can be positioned the surgical cut position (B) outside pathological changes edge.
3. optics junior range scalpel according to claim 1, it is characterised in that:
Described angle of inclination (θ) between 1 °～37 °, and/or
The Zhou Jing of described luminous point is less than or equal to 1mm.
4. optics junior range scalpel according to claim 1, it is characterised in that described collimated light source is lasing light emitter, and described collimation collimated light beam is the laser beam met the following conditions:
(1) power is less than 1 milliwatt, and wavelength is between the Equations of The Second Kind laser of 400～700nm；
(2) power is between the 3rd A class laser of 1～5 milliwatt.
5. optics junior range scalpel according to claim 4, it is characterised in that described lasing light emitter is:
Laser instrument (30), is fixed on outside handle of a knife or is integrated in inside handle of a knife；
Or optical fiber (80), handle of a knife is fixed in its front end, and its rear end is connected to the laser instrument outside independent of described optics junior range scalpel.
6. optics junior range scalpel according to claim 1, it is characterised in that including: N number of described collimated light source, wherein N >=2；
This N number of described collimated light source is independently arranged on described handle of a knife, and the collimation collimated light beam of injection is different relative to the angle of inclination (θ) of handle of a knife axis.
7. optics junior range scalpel according to claim 1, it is characterised in that including: M described collimated light source, wherein M >=2；
This M the described collimated light source 360 °/M in interval setting between two on the horizontal plane be perpendicular to handle of a knife, and the collimation collimated light beam of injection is identical relative to the angle of inclination of handle of a knife axis (θ).
8. optics junior range scalpel according to claim 1, it is characterized in that, described collimated light source is that strip is tubular, its tilt adjustable on handle of a knife, so that its collimation collimated light beam sent is relative to the corresponding change in the angle of inclination (θ) of handle of a knife axis.
9. optics junior range scalpel according to claim 8, it is characterised in that also include:
Joint (40), its end is fixed on handle of a knife (10), and its front end is " U "-shaped with sandwiched described collimated light source；
Fixed screw, for being locked in the " u "-shaped front end in described joint by described collimated light source.
10. junior range scalpel according to any one of claim 1 to 9, it is characterised in that described cutter head is the one in following cutter head: radio frequency cutter head, laser probe, ultrasonic cutter head, high frequency electric knife cutter head and argon-gas knife cutter head.
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| CN201610114461.0A CN105796174B (en) | 2016-03-01 | 2016-03-01 | Optics junior range scalpel |
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| CN201610114461.0A CN105796174B (en) | 2016-03-01 | 2016-03-01 | Optics junior range scalpel |
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| CN105796174A true CN105796174A (en) | 2016-07-27 |
| CN105796174B CN105796174B (en) | 2019-01-22 |
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| CN2525956Y (en) * | 2002-01-30 | 2002-12-18 | 冯威健 | Laser beam leading apparatus for puncture |
| CN101721231A (en) * | 2008-10-23 | 2010-06-09 | 伊西康内外科公司 | Medical device alignment |
| CN201752427U (en) * | 2010-06-23 | 2011-03-02 | 南阳医学高等专科学校第一附属医院 | Laser grid guidance scalpel |
| CN102551797A (en) * | 2010-10-13 | 2012-07-11 | 富士胶片株式会社 | Ultrasound diagnostic apparatus |
| CN202458596U (en) * | 2012-03-16 | 2012-10-03 | 成都恒瑞制药有限公司 | Conveniently positioning surgical knife |
| US20130345731A1 (en) * | 2011-09-14 | 2013-12-26 | Raj Singh | Infection control scalpel |
| CN105232120A (en) * | 2015-10-22 | 2016-01-13 | 张旭 | Ultrasonic guided in-plane puncture guide apparatus |
| CN205433837U (en) * | 2016-03-01 | 2016-08-10 | 田俊 | Supplementary range finding scalpel of optics |
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2016
- 2016-03-01 CN CN201610114461.0A patent/CN105796174B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2525956Y (en) * | 2002-01-30 | 2002-12-18 | 冯威健 | Laser beam leading apparatus for puncture |
| CN101721231A (en) * | 2008-10-23 | 2010-06-09 | 伊西康内外科公司 | Medical device alignment |
| CN201752427U (en) * | 2010-06-23 | 2011-03-02 | 南阳医学高等专科学校第一附属医院 | Laser grid guidance scalpel |
| CN102551797A (en) * | 2010-10-13 | 2012-07-11 | 富士胶片株式会社 | Ultrasound diagnostic apparatus |
| US20130345731A1 (en) * | 2011-09-14 | 2013-12-26 | Raj Singh | Infection control scalpel |
| CN202458596U (en) * | 2012-03-16 | 2012-10-03 | 成都恒瑞制药有限公司 | Conveniently positioning surgical knife |
| CN105232120A (en) * | 2015-10-22 | 2016-01-13 | 张旭 | Ultrasonic guided in-plane puncture guide apparatus |
| CN205433837U (en) * | 2016-03-01 | 2016-08-10 | 田俊 | Supplementary range finding scalpel of optics |
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| CN105796174B (en) | 2019-01-22 |
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