CN206714822U - Tissue pulverizer cutter head and device for laser therapy - Google Patents
Tissue pulverizer cutter head and device for laser therapy Download PDFInfo
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- CN206714822U CN206714822U CN201621191098.4U CN201621191098U CN206714822U CN 206714822 U CN206714822 U CN 206714822U CN 201621191098 U CN201621191098 U CN 201621191098U CN 206714822 U CN206714822 U CN 206714822U
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- epitheca
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- wire passage
- cutter head
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Abstract
A kind of tissue pulverizer cutter head and device for laser therapy, the tissue pulverizer cutter head include：Fixed seat；Epitheca, the epitheca are tubular structure, and one end is connected with the fixed seat, have the edge of a knife on the tube wall of the other end；Interior cutter, is rotatably set in described outer intrathecal, and the interior cutter has the first end away from the fixed seat, and a part for the first end exposed by the edge of a knife；Wire passage, it be arranged in parallel with the epitheca and is fixedly linked with the epitheca tube wall；Wherein, memory wire is provided with the wire passage, the memory wire, which is suitable to stretch out out of described wire passage, to be bent and form guard space above the edge of a knife.The utility model can improve the safety in utilization of the tissue pulverizer cutter head, avoid causing secondary injury.
Description
Technical field
Field of medical device is the utility model is related to, more particularly to a kind of tissue pulverizer cutter head and device for laser therapy.
Background technology
Laser is 20th century one of mankind's greatness utility model, and is widely used in many fields.Low level laser shines
The clinical value for penetrating treatment has been affirmed both at home and abroad.It is mainly used in treating brain diseases, angiocardiopathy, diabetes, pernicious
The diseases such as tumour, leukaemia, psychiatric condition, psoriasis, rhinitis.According to healthy medical discovery, low level laser is in cardiovascular and cerebrovascular
Convalescence after sick morbidity primary prevention and morbidity all has the effect of preferable, has for health and suppression human senility certain
Effect.In addition, laser technology is also widely used in biochemical investigation, blood analysis etc., high power laser may be used also
For surgical operation.
In surgical operation, high energy pulse laser caused by laser, passed out by optical fiber, optical fiber is peeped by interior again
Mirror enters human body, by the incoming position for needing laser therapy of the energy of laser, utilizes the high energy, collimation, action time of laser
The features such as short and heat-affected zone is small, for the treatment of patient's progress effectively and safely.
Using laser to after needing the tissue at the position of laser therapy to cut, it is necessary to will be cut using tissue pulverizer cutter head
Tissue after lower excretes.But the tissue pulverizer cutter head that prior art provides easily causes secondary injury to patient.
Utility model content
The utility model solves the problems, such as to be to provide a kind of tissue pulverizer cutter head and device for laser therapy, improves operation and pacify
Quan Xing, avoid causing secondary injury to human body.
To solve the above problems, the utility model provides a kind of tissue pulverizer cutter head, including：Fixed seat；Epitheca, it is described
Epitheca is tubular structure, and one end is connected with the fixed seat, has the edge of a knife on the tube wall of the other end；Interior cutter, rotatable set
Loaded on described outer intrathecal, the interior cutter has the first end away from the fixed seat, and a part for the first end is by described
The edge of a knife exposes；Wire passage, it be arranged in parallel with the epitheca and is fixedly linked with the epitheca tube wall；Wherein, the metal
Memory wire is provided with silk passage, the memory wire is suitable to stretch out bending out of described wire passage and described
Guard space is formed above the edge of a knife
Optionally, the wire passage includes at least one wire passage pipe, wherein, each wire passage pipe
Inside it is provided with memory wire；And the wire passage is arranged at the epitheca tube wall and the edge of a knife relative position.
Optionally, the quantity of the wire passage pipe is three.
Optionally, the position of three wire passage pipes meets：One of wire passage pipe is arranged at described
Epitheca tube wall and the edge of a knife relative position, as intermetallic metal silk tube channel；Two other wire passage pipe is set respectively
Put in the intermetallic metal silk tube channel opposite sides.
Optionally, on the section perpendicular to the epitheca axis, the epitheca center is into intermetallic metal silk tube channel
The line of the heart and the epitheca center to the angular range between the line of other wire passage tube hubs are 40 °~45 °.
Optionally, when the memory wire forms guard space above the edge of a knife, along the epitheca extension side
Upwards, the length of the guard space is more than or equal to the length of the edge of a knife.
Optionally, the memory wire is further adapted for contraction and is arranged in the wire passage.
Optionally, the wire passage is weldingly connected with the epitheca；Or the wire passage and the epitheca
It is structure as a whole.
Optionally, the wire passage has the external part away from the fixed seat；The epitheca is provided with the edge of a knife
One end is operating side；Along along the epitheca bearing of trend, the external part is between the operating side and the fixed seat.
Optionally, along the epitheca bearing of trend, the distance between the external part and the operating side 3mm~
In the range of 5mm.
Optionally, the interior cutter has second end relative with the first end, and the interior cutter is in the control of motor
System is lower to be realized in the outer intrathecal rotation；Motor connection mouth is provided with second end of the interior cutter, it is described for realizing
The connection of interior cutter and motor.
Optionally, the side face of the first end of the interior cutter includes being provided with the operating space of breaking-edge and is not provided with crushing
The enclosed area of sword.
The utility model also provides a kind of laser therapy, includes the tissue pulverizer cutter head of foregoing offer.
Compared with prior art, the technical solution of the utility model has advantages below：
In the technical scheme of tissue pulverizer cutter head provided by the utility model, except including fixed seat, epitheca and interior knife
Outside tool, also there is the wire passage for be arrangeding in parallel with the epitheca and being fixedly linked with the epitheca tube wall, wherein, it is described
Be provided with memory wire in wire passage, the memory wire be suitable to stretch out out of described wire passage bending and
Guard space is formed above the edge of a knife；When the tissue pulverizer cutter head in use, the guard space will described in
The edge of a knife is kept apart with health tissues, avoids the edge of a knife from being adsorbed onto health tissues, so as to prevent the tissue pulverizer cutter head pair
Health tissues cause to damage, and improve safety in utilization.
In alternative, the wire passage includes three wire passage pipes, and three wire passage pipes
Position meet：One of wire passage pipe is arranged at the epitheca tube wall and the edge of a knife relative position, as in
Between wire passage pipe；Two other wire passage pipe is separately positioned on the intermetallic metal silk tube channel opposite sides.Adopt
Set with the position of the wire passage pipe and the edge of a knife, the guard space of composition can be made big, protected so as to improve
The area of the health tissues of shield, the further probability for reducing the edge of a knife and being adsorbed onto health tissues.
Brief description of the drawings
Fig. 1 is the structural representation for the tissue pulverizer cutter head that the utility model embodiment provides；
Fig. 2 is the close-up schematic view of first end in Fig. 1；
Fig. 3 is along the overlooking the structure diagram in A directions in Fig. 2；
Fig. 4 is along the cross-sectional view of BB1 lines in Fig. 1；
Fig. 5 is the dimensional structure diagram of first end when memory wire forms guard space in Fig. 1.
Embodiment
From background technology, the tissue pulverizer cutter head that prior art provides easily causes secondary injury to patient.
The laser surgery procedures removed are cuted out in conjunction with a kind of hyperplasia of prostate analyze it and secondary injury problem is easily caused to patient
The reason for：
Cut out in the laser surgey except hyperplasia of prostate, first by the laser operations handle with endoscope, utilize laser
Hyperplastic prostate tissue is cut；The tissue after cutting is excreted by extraneous negative pressure afterwards.
Specifically, described include the principle for organizing to excrete：Tissue pulverizer by the hollow interior cutter that rotates with it is solid
Fixed epitheca composition.When entering excision environment, the hollow space access negative pressure of interior cutter, by cutter mouth close to need to crush
Tissue；Negative-pressure adsorption is opened to after the tissue, is then turned on cutter so that interior cutter rotates against with epitheca, is cut so as to crush
Fall tissue.
Due to tissue pulverizer, bladder needs water-filling and maintains certain pressure when in use, if cutter mistake when opening negative pressure
Cause to damage in being then possible to be adsorbed onto the bladder wall close to the bladder wall.In addition, during the use of tissue pulverizer, when this
When the tissue of absorption crushes completion, the negative pressure still opened still is possible to be adsorbed onto the bladder wall, in this case, rotation
Interior cutter can cause serious infringement to the bladder wall.
Therefore, there is the danger for being adsorbed onto the bladder wall in tissue pulverizer when in use, easily cause secondary injury to patient.
To solve the above problems, the utility model provides a kind of tissue pulverizer cutter head, including：Fixed seat；Epitheca, it is described
Epitheca is tubular structure, and one end is connected with the fixed seat, has the edge of a knife on the tube wall of the other end；Interior cutter, rotatable set
Loaded on described outer intrathecal, the interior cutter has the first end away from the fixed seat, and a part for the first end is by described
The edge of a knife exposes；Wire passage, it be arranged in parallel with the epitheca and is fixedly linked with the epitheca tube wall；Wherein, the metal
Memory wire is provided with silk passage, the memory wire is suitable to stretch out bending out of described wire passage and described
Guard space is formed above the edge of a knife.
Tissue pulverizer cutter head provided by the utility model, can improve safety in utilization, avoid causing patient secondary
Injury.
It is understandable to enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.
Fig. 1 shows the structural representation for the tissue pulverizer cutter head that the utility model embodiment provides.
With reference to figure 1, the tissue pulverizer cutter head includes：
Fixed seat 100；Epitheca 110, the epitheca 110 are tubular structure, and one end is connected with the fixed seat 100, another
There is the edge of a knife 111 on the tube wall at end；Interior cutter 120, rotatably it is set in the epitheca 110, the interior cutter 120 has
First end (shown in 121 in figure such as 1) away from the fixed seat 100, a part for the first end is revealed by the edge of a knife 111
Go out；Wire passage, it be arranged in parallel with the epitheca 110 and is fixedly linked with the tube wall of epitheca 110；Wherein, the metal
Memory wire 131 is provided with silk passage, the memory wire 131 is suitable to stretch out bending simultaneously out of described wire passage
Guard space is formed above the edge of a knife 111.
Specifically, with reference to referring to figs. 2 to Fig. 5, Fig. 2 is the close-up schematic view of first end in Fig. 1；Fig. 3 is edge in Fig. 2
The overlooking the structure diagram in A directions；Fig. 4 is along the cross-sectional view of BB1 lines in Fig. 1；Fig. 5 is memory wire in Fig. 1
The dimensional structure diagram of first end when forming guard space.
In the present embodiment, the fixed seat 100 can be to play the epitheca seat of fixation, the material of the fixed seat 100
Expect for metal, such as medical stainless steel.
Specifically, the fixed seat 100 is cylinder.The fixed seat 100 includes the first end face being oppositely arranged along axis
101 and second end face 102, the first end face 101 is used to be connected with epitheca 110, and the second end face 102 is used for and endoscope
(not indicating) is connected.
It should be noted that in the present embodiment, the fixed seat 100 can be hollow housing structure, the fixed seat 100
It can also be entity structure.
The epitheca 110 is used to provide operation pathway space.
The epitheca 110 is hollow tubular structure.When being performed the operation, the tube chamber of the epitheca 110 is surgery hand
The path spacing of art.In the present embodiment, the material of the epitheca 110 is metal, for example, medical stainless steel.
The epitheca 110 is connected with the first end face 101 of the fixed seat 110.In the present embodiment, the fixed seat 100
For hollow housing structure, the tube chamber of the epitheca 110 is connected conducting with the inner chamber of the fixed seat 100.In other embodiments,
When the fixed seat is entity structure, along the direction of first end face sensing second end face, the epitheca is through described solid
Reservation, and form through hole in the fixed seat.
The edge of a knife 111 is used for the tube wall through the epitheca 110, so as to connect the tube chamber of the epitheca 110 and expose
Interior cutter 120 in the epitheca 110.
The interior cutter 120 is rotatably set in the epitheca 110, the operation formed by the epitheca 110
Path enters human body, to carry out crushing operation.In the present embodiment, the material of the interior cutter 120 is also metal, for example, medical
Stainless steel.
In the present embodiment, the interior cutter 120 is that cross section is circular rod-like structure, therefore the energy of interior cutter 120
It is enough rotatable around its axis, so that the interior cutter 120 relatively rotates with the epitheca 110.
The interior cutter 120 includes the first end and relative with the first end second away from the fixed seat 100
End.
The side face of the first end includes being provided with the operating space 122 of breaking-edge and is not provided with the enclosed area of breaking-edge.
The operating space 122 is used to crush tissue in surgical procedure.In the present embodiment, as if the tissue pulverizer is used for
Except in the operation of hyperplastic prostate tissue, the interior cutter 120 is planing cutter head, as shown in Figures 2 and 3, the interior cutter 120
Operating space 122 on be provided with the breaking-edge of broached-tooth design.
It should be noted that in other embodiments, the interior cutter can also be to be suitable for being sleeved on outer intrathecal having
The interior cutter of other structures, that is to say, that the breaking-edge with other structures can also be set on the operating space.
The operating space 122 needs to be exposed, and is crushed so as to directly be contacted with the tissue under cutting with realizing；Therefore, institute
The position for stating operating space 122 is corresponding with the position of the edge of a knife 111 so that the operating space 122 can be from the edge of a knife 111
Expose at place.
The interior cutter 120 is hollow structure.During being crushed, the interior cutter 120 is connected with drainage bottle,
Drainage bottle is formed about subnormal ambient by interior cutter 120 in the edge of a knife 111, so that the hyperplastic tissue's absorption cut down
Onto the edge of a knife 111.The interior cutter 120 can be rotated in the epitheca 110 so that the operating space 122 with it is described
Interacted between the edge of a knife 111, the breaking-edge cooperates to adsorbing on the edge of a knife 111 with the edge of a knife 111
Hyperplastic tissue sheared, so as to reach the purpose for crushing the hyperplastic tissue.
The size of the outside dimension of the interior cutter 120 and the lumen diameter of epitheca 110 needs to cooperate, and makes described
Interior cutter 120 can realize rotation in the epitheca 110, and during interior cutter 120 rotates, the operating space
122 can realize shearing with the edge of a knife 111 to hyperplastic tissue.
The enclosed area is used to close the edge of a knife 111.
In the present embodiment, the side face of the enclosed area is smooth surface, enters human body in the tissue pulverizer cutter head
During, the interior cutter 120 is rotated, the enclosed area is exposed at the edge of a knife 111, is covered using epitheca 110 described
Operating space 122, reduce the probability that health tissues are hurt when the tissue pulverizer cutter head enters human body.
The interior cutter 120 has second end relative with the first end.Second is being pointed to along the first end face 101
On the direction of end face 102, the fixed seat 100 is run through at the second end of the interior cutter 120.In the present embodiment, the interior cutter
120 the second end is stretched out from the second end face 102 of the fixed seat 100.
It should be noted that in the present embodiment, the interior cutter 120 realizes rotation under the control of motor.Therefore, it is described
Motor connection mouth is provided with second end of interior cutter 120, for realizing the connection of the interior cutter 120 and motor.
The wire passage is used to provide path spacing for memory wire 131, and is additionally operable to solid in use
Determine memory wire 131, avoid memory wire 131 from being rocked during tissue pulverizer use excessive.
Memory wire 131 is provided with the wire passage, with reference to figure 5, the memory wire 131 is suitable to from institute
State and bending and the composition guard space above the edge of a knife 111 are stretched out in wire passage.
Specifically, before the interior cutter 120 reaches tissue to be comminuted, the memory wire 131, which shrinks, to be set
Health tissues are caused to scratch in the memory wire 131 in the wire passage, avoiding stretching out outside wire passage.
It is described after the interior cutter 120 is reached at tissue to be comminuted and is adsorbing tissue to be comminuted in surgical procedure
Memory wire 131 stretches out out of described wire passage and bends and guard space is formed above the edge of a knife 111 so that
Opening is isolated by the guard space between the edge of a knife 111 and the health tissues, so as to isolate the edge of a knife 111 and health tissues, drop
Low interior cutter 120 is adsorbed onto the risk of health tissues.
In the present embodiment, as if the tissue pulverizer cutter head is used for except in the operation of hyperplasia of prostate, tissue is being crushed
During, the memory wire 131 forms guard space above the edge of a knife 111, therefore, even if subnormal ambient is present
When, the guard space can isolate the edge of a knife 111 and the bladder wall, so as to prevent interior cutter 120 to be adsorbed onto the bladder wall, avoid the bladder wall
Sustain damage.
Therefore, it is empty to form protection above the edge of a knife 111 for the memory wire 131 in the wire passage
Between, avoid interior cutter 120 in surgical procedure and health tissues are caused to damage, reduce the secondary injury that operation is brought.
It should be noted that the wire passage not only needs to be set with memory wire 131, it is also necessary to memory metal
The control action that silk 131 moves, reduces rolling of the memory wire 131 in the wire passage as far as possible
It is dynamic.Therefore, the internal diameter of the wire passage needs to cooperate with being set with the size of memory wire 131 set, so as to
Operation precision is improved, reduces operation risk.
In the present embodiment, the material of the wire passage is metal, for example, medical stainless steel.The wire passage
It can be fixedly linked by way of welding with the epitheca 110.
It should be noted that in other embodiments, the wire passage can also be structure as a whole with the epitheca,
So as to reduce the gap in the tissue pulverizer cutter head structure, sterilization difficulty is reduced, reduces application risk.
The wire passage includes at least one wire passage pipe 130, wherein, in each wire passage pipe 130
It is provided with memory wire 131.Also, the wire passage is arranged at the tube wall of epitheca 110 and the phase of the edge of a knife 111
To opening position, its benefit includes：
Because the edge of a knife 111 of the tissue pulverizer cutter head is in subnormal ambient at work, so that the knife
The tissues that mouth 111 can be adsorbed under being cut, which are realized, to be crushed.But the presence of subnormal ambient is it is also possible that the edge of a knife 111 adsorbs
To the tissue of health.For example, in the present embodiment, as if the tissue pulverizer cutter head is used for except in the operation of hyperplasia of prostate,
The edge of a knife 111 may be adsorbed onto in the bladder wall；In the presence of subnormal ambient, even if what is exposed is enclosed area, the edge of a knife 111
Health tissues are adsorbed onto it is also possible that health tissues are damaged, cause operation risk.
In the present embodiment, because the wire passage is arranged at the tube wall of epitheca 110 with the edge of a knife 111 with respect to position
Place is put, when the memory wire 131 in the wire passage is bent and forms guard space, the guard space can
To be placed exactly in directly over the edge of a knife 111 so that there is enough guard spaces between the edge of a knife 111 and health tissues,
The significant probability for reducing the damage healthy tissues of the edge of a knife 111, improves operation safety.
In the present embodiment, the quantity of the wire passage pipe 131 is three, accordingly, when the memory wire 131 exists
When the top of the edge of a knife 111 forms guard space, the quantity for forming the memory wire 131 of the guard space is three.Institute
State being of moderate size for the guard space that three memory wires 131 are formed, the protection for the health tissues being pointed to around the edge of a knife 111
Effect is good；And the memory wire 131 it is mutual interference it is small, each memory wire 131 can not be by other
The interference of memory wire 131 is so as to normally carry out deformation, specifically, the memory wire 131 can be normally by not dry
That disturbs is contracted in the metal passage pipe 130, and normally interference-free can also be stretched out from the metal passage pipe 130
Bend and guard space is formed above the edge of a knife 111.
With reference to figure 4, in the present embodiment, in order to further improve the guard space isolation edge of a knife 111 and health tissues
Isolation effect, the positions of three wire passage pipes 130 meets：One of wire passage pipe 130 is arranged at institute
The tube wall of epitheca 110 and the relative position of the edge of a knife 111 are stated, as intermetallic metal silk tube channel；Two other wire passage
Pipe 130 is separately positioned on the opposite sides of intermetallic metal silk tube channel 130.
Therefore, when the memory wire 131 stretches out bending and in the edge of a knife out of described wire passage pipe 130
After 111 tops form guard space, a memory wire 131 in the guard space is being placed exactly in the edge of a knife 111 just
Top, as middle memory wire, two other memory wire 131 is respectively positioned at the middle memory wire with respect to two
Side, so as to ensure that the protecting effect that the guard space has to health tissues is good.
It can also be expected that the wire passage that above three wire passage pipe 130 is formed is located at the tube wall of epitheca 110
With the relative position of the edge of a knife 111.
It should also be noted that, in the present embodiment, the quantity of the wire passage pipe 130 is three, perpendicular to described
On the section of the axis of epitheca 110, line and the epitheca 110 at the center of epitheca 110 to intermetallic metal silk passage tube hub
Center is unsuitable too small to the angle α between the line of other wire passage tube hubs, also unsuitable excessive.
If the angle α is too small, when the memory wire 131, stretching is curved out of described wire passage pipe 130
Bent and after forming guard space on the edge of a knife 111, the area for the health tissues that the guard space can isolate is small so that
The health tissues limited area protected by the guard space；If the angle α is excessive, in the guard space
The distance between two neighboring memory wire 131 it is also relatively large so that support of the guard space to health tissues
Scarce capacity, health tissues are caused easily to be adsorbed at the gap between adjacent memory wire 131 at the edge of a knife 111, so as to
Health tissues are caused to damage.
Therefore, in the present embodiment, on the section perpendicular to the axis of epitheca 110, the center of epitheca 110 to centre
The line at the center of wire passage pipe 130 and the center of the epitheca 110 are between the line of other wire passage tube hubs
Angle α scope is 40 °~45 °.
In addition, in order to further ensure protecting effect that the guard space plays to health tissues, when the memory
When wire 131 forms guard space above the edge of a knife 111, along the bearing of trend of epitheca 110, the protection is empty
Between length be more than or equal to the edge of a knife 111 length.
It should be noted that in other embodiments, the quantity of the wire passage pipe can also be 1 or other
Quantity of anticipating.
The wire passage has the external part away from the fixed seat 100；The epitheca 110 is provided with the edge of a knife 111
One end be operating side；Along along the bearing of trend of epitheca 110, the external part is located at the operating side and the fixed seat
Between 100.Therefore the epitheca 110 during human body is entered, compared to the wire lead to by the first end of the epitheca 110
Human body is introduced into for the external part in road, the wire passage can be reduced and contacted with the direct of tissue, prevented described
The external part of wire passage causes to damage to tissue, reduces operation risk.
Along along the bearing of trend of epitheca 110, the distance between the external part and the operating side should not be too big
Should not be too small.
If the external part and the distance between the operating side are excessive, the memory wire 131 in operation
Need the distance for stretching out the wire passage pipe 130 longer, be unfavorable for the control to memory wire 131, be likely to result in
The problem of operation risk increase；If the external part and the distance between the operating side are too small, the wire passage pipe
130 ends are too close to the end of epitheca 110, during human body is entered and in the surgical procedure that is cut and crushed
The end of wire passage pipe 130 may contact with health tissues, so as to increase the impaired possibility of health tissues, can also increase
The risk of operation.
Therefore, in the present embodiment, along the bearing of trend of epitheca 110, between the external part and the operating side
Distance in the range of 3mm~5mm.
In the technical scheme for the tissue pulverizer cutter head that the utility model embodiment provides, the epitheca tube wall is provided with gold
Belong to silk passage, and memory wire is provided with the wire passage, the memory wire is suitable to lead to from the wire
Stretched out in road and bend and formed above the edge of a knife guard space, the guard space can adsorb organizational process to be comminuted
In or after tissue to be comminuted is adsorbed isolate the edge of a knife and health tissues, reduce the risk that the edge of a knife is adsorbed onto health tissues.In addition,
The memory wire has the performance that can recover original-shape, therefore when without forming guard space above the edge of a knife
When, the memory wire is located in the wire passage, avoids extending out to the memory wire outside metal passage to health
Tissue causes to damage.
Accordingly, the utility model also provides a kind of device for laser therapy：Tissue pulverizer cutter head including foregoing offer.
The device for laser therapy also includes laser cutter, and the laser cutter is used to cut tissue to be removed；
After the tissue to be removed is cut, the tissue cut is crushed and from human body by the tissue pulverizer cutter head
Interior discharge.
In the present embodiment, the device for laser therapy is used for the operation of the section office such as Urology Surgery, ENT dept., dept. of dermatology, gynaecology
In treatment.
In surgical procedure is carried out, when the tissue pulverizer cutter head is before the tissue to cutting crushes, institute
State memory wire to be scalable in the metal passage, avoid memory wire from causing to damage to health tissues；At described group
Knit after grinder cutter head is adsorbed onto the tissue cut, or when the tissue pulverizer cutter head is in subnormal ambient, the note
Recall wire to stretch out bending out of described metal passage and form guard space above the edge of a knife, the guard space will can be good for
Health tissue is kept apart with the edge of a knife, is reduced the probability that health tissues are damaged by the edge of a knife, is reduced the secondary injury to human body, improves hand
Art security.
Although the utility model discloses as above, the utility model is not limited to this.Any those skilled in the art,
Do not depart from spirit and scope of the present utility model, can make various changes or modifications, therefore the scope of protection of the utility model
It should be defined by claim limited range.
Claims (13)
- A kind of 1. tissue pulverizer cutter head, it is characterised in that including：Fixed seat；Epitheca, the epitheca are tubular structure, and one end is connected with the fixed seat, have the edge of a knife on the tube wall of the other end；Interior cutter, described outer intrathecal, first end of the interior cutter with the remote fixed seat is rotatably set in, it is described A part for first end is exposed by the edge of a knife；Wire passage, it be arranged in parallel with the epitheca and is fixedly linked with the epitheca tube wall；Wherein, memory wire is provided with the wire passage, the memory wire is suitable to from the wire passage Interior stretch out bends and forms guard space above the edge of a knife.
- 2. tissue pulverizer cutter head as claimed in claim 1, it is characterised in that the wire passage includes at least one gold Belong to silk tube channel, wherein, it is provided with memory wire in each wire passage pipe；And the wire passage is arranged at The epitheca tube wall and the edge of a knife relative position.
- 3. tissue pulverizer cutter head as claimed in claim 1 or 2, it is characterised in that the quantity of the wire passage pipe is Three.
- 4. tissue pulverizer cutter head as claimed in claim 3, it is characterised in that expire the position of three wire passage pipes Foot：One of wire passage pipe is arranged at the epitheca tube wall and the edge of a knife relative position, as intermetallic metal silk Tube channel；Two other wire passage pipe is separately positioned on the intermetallic metal silk tube channel opposite sides.
- 5. tissue pulverizer cutter head as claimed in claim 4, it is characterised in that in the section perpendicular to the epitheca axis On, the line at the epitheca center to intermetallic metal silk passage tube hub and the epitheca center are into other wire passage pipes Angular range between the line of the heart is 40 °~45 °.
- 6. tissue pulverizer cutter head as claimed in claim 1, it is characterised in that the memory wire is above the edge of a knife When forming guard space, along the epitheca bearing of trend, the length of the guard space is more than or equal to the edge of a knife Length.
- 7. tissue pulverizer cutter head as claimed in claim 1, it is characterised in that the memory wire, which is further adapted for shrinking, to be set In in the wire passage.
- 8. tissue pulverizer cutter head as claimed in claim 1, it is characterised in that the wire passage is welded with the epitheca Connect connected；Or the wire passage is structure as a whole with the epitheca.
- 9. tissue pulverizer cutter head as claimed in claim 1, it is characterised in that the wire passage has away from described solid The external part of reservation；One end that the epitheca is provided with the edge of a knife is operating side；Along along the epitheca bearing of trend, the external part is between the operating side and the fixed seat.
- 10. tissue pulverizer cutter head as claimed in claim 9, it is characterised in that described along the epitheca bearing of trend The distance between external part and the operating side are in the range of 3mm~5mm.
- 11. tissue pulverizer cutter head as claimed in claim 1, it is characterised in that the interior cutter has and the first end The second relative end, and the interior cutter is realized under the control of motor in the outer intrathecal rotation；Motor connection mouth is provided with second end of the interior cutter, for realizing the connection of the interior cutter and motor.
- 12. tissue pulverizer cutter head as claimed in claim 1, it is characterised in that all bread of the first end of the interior cutter Include the operating space for being provided with breaking-edge and the enclosed area for being not provided with breaking-edge.
- A kind of 13. device for laser therapy, it is characterised in that including：Tissue pulverizer cutter head as described in any one of claim 1~12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191098.4U CN206714822U (en) | 2016-10-31 | 2016-10-31 | Tissue pulverizer cutter head and device for laser therapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191098.4U CN206714822U (en) | 2016-10-31 | 2016-10-31 | Tissue pulverizer cutter head and device for laser therapy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206714822U true CN206714822U (en) | 2017-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621191098.4U Withdrawn - After Issue CN206714822U (en) | 2016-10-31 | 2016-10-31 | Tissue pulverizer cutter head and device for laser therapy |
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| Country | Link |
|---|---|
| CN (1) | CN206714822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106420009A (en) * | 2016-10-31 | 2017-02-22 | 上海瑞柯恩激光技术有限公司 | Tissue destructor tool bit and laser treatment device |
-
2016
- 2016-10-31 CN CN201621191098.4U patent/CN206714822U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106420009A (en) * | 2016-10-31 | 2017-02-22 | 上海瑞柯恩激光技术有限公司 | Tissue destructor tool bit and laser treatment device |
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Granted publication date: 20171208 Effective date of abandoning: 20230728 |