CN107441641A - A kind of protection device for ultrasound knife - Google Patents
A kind of protection device for ultrasound knife Download PDFInfo
- Publication number
- CN107441641A CN107441641A CN201710687169.2A CN201710687169A CN107441641A CN 107441641 A CN107441641 A CN 107441641A CN 201710687169 A CN201710687169 A CN 201710687169A CN 107441641 A CN107441641 A CN 107441641A
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- China
- Prior art keywords
- arm
- force
- handheld division
- ultrasound knife
- protection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N7/02—Localised ultrasound hyperthermia
- A61N7/022—Localised ultrasound hyperthermia intracavitary
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/04—Protection of tissue around surgical sites against effects of non-mechanical surgery, e.g. laser surgery
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00565—Bone
-
- 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
- A61B2018/00601—Cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/04—Protection of tissue around surgical sites against effects of non-mechanical surgery, e.g. laser surgery
- A61B2090/0409—Specification of type of protection measures
- A61B2090/0427—Prevention of contact
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/04—Protection of tissue around surgical sites against effects of non-mechanical surgery, e.g. laser surgery
- A61B2090/0472—Protection of tissue around surgical sites against effects of non-mechanical surgery, e.g. laser surgery against ultrasound energy
Abstract
The invention discloses a kind of protection device for ultrasound knife.Protection device includes：Clamping device and the protection head (3) on clamping device；Clamping device includes：First arm of force (1) and second arm of force (2) being hinged with first arm of force (1)；The front end fixed setting protection head (3) of first arm of force (1)；Ultrasound knife (100) is fixedly installed on second arm of force (2), and ultrasound knife (100) is fixed in a manner of cutter head is towards the front end of second arm of force (2)；First arm of force (1) and second arm of force (2) relatively rotate by fulcrum of hinged place, to cause the cutter head of ultrasound knife (100) to recline or away from protection head (3).The protection device of the present invention can cause bone tissue and soft tissue separation before cutting; ultrasound knife is avoided to touch soft tissue during cutting; overcome in the operation of bone tissue ultrasonic cut, easily contact the problem of hurting soft tissue, greatly reduce the misoperation probability of doctor and improve the security of operation.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of protection device for ultrasound knife.
Background technology
Ultrasound knife is the hundreds of beam high-energy ultrasounds launched by sonic generator using the extremely strong penetration power of ultrasonic wave,
Focus is collected organizationally as aggregation solar energy, rupture cell membranes in tissue using high-energy ultrasonic cavitation operation, simultaneously
High-energy ultrasound discharges huge energy and is quickly converted to heat energy, and the temperature of moment focal point tissue reaches 70-100 degrees Celsius, from
And cut.
An important surgical apparatus of the ultrasound knife as surgical operation, is frequently applied in including soft tissue and bone tissue
In a variety of operation techniques such as cutting.Wherein, during bone tissue is cut, because the power of piezosurgery osteotomy is larger, if
Crucial soft tissue, such as spinal cord, nerve etc. be nearby when being operated, and readily accesses soft tissue, it is careless slightly may damage it is soft
Tissue, causes malpractice.
The content of the invention
Bone tissue and soft tissue are separated in ultrasonic cut operation it is an object of the invention to provide one kind, and protects soft group
Knit the protection device not being cut by the ultrasound blade.
According to an aspect of the present invention, there is provided a kind of protection device for ultrasound knife, including：Clamping device and installation
Protection head on clamping device；The clamping device includes：First arm of force and second arm of force being hinged with first arm of force；
The protection head is fixedly installed in the front end of first arm of force；The ultrasound knife is fixedly installed on second arm of force, and it is described
Ultrasound knife is fixed in a manner of cutter head is towards the front end of second arm of force；First arm of force and second arm of force are be hinged
Locate to relatively rotate for fulcrum, to cause the cutter head of the ultrasound knife to recline or away from the protection head.
Further, described protection device, wherein, first arm of force is in bending-like or straight shape, including extend laterally
Pedestal bar and the first Handheld Division from the rear end of pedestal bar for starting point Longitudinal extending；Second arm of force includes movable slider and the
Two Handheld Divisions；Second Handheld Division is hinged on the junction of pedestal bar and the first Handheld Division, and is carried out by fulcrum of hinged place
Rotate；The top of second Handheld Division is flexibly connected the movable slider, and the movable slider is arranged on the pedestal bar,
The movable slider is guide rail along the pedestal bar using the pedestal bar under the impetus on the top of second Handheld Division
Enter line slip.
Further, described protection device, wherein, first arm of force is set in the position being hinged with second arm of force
Having can be so that the through hole that the top of second Handheld Division passes through；The top of second Handheld Division connects through through hole activity
Connect the movable slider.
Further, described protection device, wherein, first arm of force has the shape that extends laterally of bending, bag in middle part
Include linking arm, the 3rd Handheld Division and the bending section being connected between the linking arm and the 3rd Handheld Division；Second power
Arm includes ultrasound knife fixed cover and is fixed on the 4th Handheld Division of ultrasound knife fixed cover side；The front end of the ultrasound knife fixed cover with
The bending section is hinged, and can be rotated using the hinged place as fulcrum.
Further, described protection device, wherein, second Handheld Division close to top to be partially toward front end curved
It is bent；Second Handheld Division is being partially toward rear end bending close to bottom.
Further, described protection device, wherein, the front end of the movable slider is provided with the first ultrasound knife retainer ring；
The rear end of the movable slider is provided with the second ultrasound knife retainer ring；The first ultrasound knife retainer ring and the second ultrasound knife are fixed
Diameter of the diameter of ring respectively with ultrasound knife position to be fixed matches.
Further, described protection device, wherein, resetting means is provided with the pedestal bar, the resetting means is used
In the reset for realizing the first Handheld Division and the second Handheld Division.
Further, described protection device, the resetting means include：First flexure strip and the second flexure strip；Described
One end of one flexure strip is fixed on second Handheld Division；One end of second flexure strip is fixed on first Handheld Division
One end；The other end of first flexure strip is fixedly connected with the other end of second flexure strip.
Further, described protection device, wherein, the 3rd Handheld Division and the 4th Handheld Division are annular in shape；It is described
3rd Handheld Division, which is provided with, can accommodate the through hole that at least a finger passes through；4th Handheld Division, which is provided with, can accommodate at least two
The through hole that root finger passes through.
Further, described protection device, the protection head are shaped as moment of flexure shape, rectangle or ellipse.
The beneficial effect of the embodiment of the present invention is, by the way that ultrasound knife installation on the protection device, before cutting, is manipulated
Protection device causes bone tissue and soft tissue to separate, during cutting so that protection device avoids between ultrasound knife and soft tissue
Ultrasound knife touches soft tissue.So as to overcome in the operation of bone tissue ultrasonic cut, because the power of cutting is larger, easily connect
The problem of hurting soft tissue is touched, the misoperation probability of doctor is greatly reduced and improves the security of operation.
Brief description of the drawings
Fig. 1 a and 1b are the structural representations of first embodiment of protection device of the present invention；
Fig. 1 a are the schematic diagrames that ultrasound knife is installed to before protection device；
Fig. 1 b are the schematic diagrames that ultrasound knife is installed to after protection device；
Fig. 2 is the cross-sectional view of first arm of force in Fig. 1 b；
Fig. 3 is structural representation after resetting means is pressed in Fig. 2；
Fig. 4 is the structural representation of second embodiment of protection device of the present invention；
Fig. 5 is the structural representation of one embodiment of the protection head of protection device of the present invention；
Fig. 6 is the structural representation of another embodiment of the protection head of protection device of the present invention；
Fig. 7 is the structural representation of another embodiment of the protection head of protection device of the present invention；
Fig. 8 is the structural representation of another embodiment of the protection head of protection device of the present invention；
Fig. 9 is the structural representation of another embodiment of the protection head of protection device of the present invention；
Figure 10 is the structural representation of another embodiment of the protection head of protection device of the present invention.
Reference：
0th, fulcrum, 100, ultrasound knife, 101, cutter head,
1st, first arm of force, 1-1, pedestal bar, 1-2, the first Handheld Division, 1-3, linking arm, 1-4, the 3rd Handheld Division are 1-5, curved
Pars convoluta,
2nd, second arm of force, 2-1, movable slider, 2-2, the second Handheld Division, 2-3, ultrasound knife fixed cover, 2-4, the 4th hold
Portion,
3rd, protection head, the 4, first ultrasound knife retainer ring, the 5, second ultrasound knife retainer ring,
6th, resetting means, 6-1, the first shell fragment, 6-2, the second shell fragment.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this
The concept of invention.
The ultrasound knife of prior art is in surgical procedure, because bone tissue and soft tissue are apart from close, sometimes even mutually
Recline, therefore, during bone tissue is cut, it is easy to touch soft tissue.Although ultrasound knife has necessarily soft in itself
Organization protection's ability, cutting can be stopped when encountering soft tissue, still, due to especially fragile (such as the nerve of some soft tissues
Tissue), once being cut, absolutely secondary nerve fiber safety can not be ensured.
In order to improve security of the ultrasound knife in surgical procedure, prevent ultrasound knife from touching soft group when cutting bone tissue
Knit, the invention provides a kind of protection device for ultrasound knife.Operation consent, ultrasound knife is fixed in the protection device.
In surgical procedure, bone tissue and soft tissue are carried out by blunt separation by pilot protection device, also, bone group is cut in ultrasound knife
During knitting so that protection device is intervened between ultrasound knife and soft tissue, real so as to prevent ultrasound knife from touching soft tissue
Now to the protection of soft tissue, avoid that accident surgery occurs.
Protection device provided by the invention includes clamping device and is fixedly installed on the protection head of clamping device front end.Use
When, ultrasound knife is fixed on clamping device so that the front end of ultrasound knife is close to protection head.It should be noted that institute of the present invention
The front end of finger be in surgical procedure close to one end of tissue to be cut, with front end it is in opposite direction be rear end, rear end refers to
One end away from tissue to be cut in surgical procedure.Specifically, clamping device includes first arm of force and second arm of force.First power
Arm and second arm of force are hinged and relatively rotated by fulcrum of hinged place.Specifically, first arm of force and second arm of force are at both
Medium position be hinged.The front end of first arm of force is fixedly installed protection；Ultrasound knife, ultrasound knife are fixedly installed on second arm of force
It is fixed in a manner of cutter head is towards the front end of second arm of force, protection first 3 to the distance between fulcrum d1 and ultrasound knife
Cutter head to the distance between fulcrum d2 differ within a predetermined range, the preset range disclosure satisfy that ultrasound knife cutter head completely or
Part, which reclines, protects first 3.
The present invention action principle be：
Using first arm of force as static object of reference, using the hinged place of first arm of force and second arm of force as rotating fulcrum, work as driving
The rear end of second arm of force is rotated by fulcrum of hinged place, then the front end of second arm of force using hinged place as fulcrum carry out with it is described
The motion in opposite direction of the rear end of second arm of force.Now, in the whole motion process of second arm of force, the front end of second arm of force is leaned on
Close or remote from the front end of first arm of force.Because the front end of first arm of force is fixedly installed protection head, ultrasound knife is fixed on the second power
On arm now, the front end of ultrasound knife is the front end of second arm of force, therefore, in the whole motion process of second arm of force, ultrasound
The front end of knife to it is described protection head rest close or remote from.
In surgical procedure, first, drive the rear end thereof of first arm of force or second arm of force so that the front end of ultrasound knife with
Protection head is in released state.Because protection head is passivity, soft tissue can't be produced and appointed when it touches soft tissue
What is injured, therefore protection head can be inserted between bone tissue and soft tissue, and soft tissue and bone tissue are squeezed, and is now protected
Head protector is just between soft tissue and bone tissue.And then the rear end thereof of first arm of force of driving or second arm of force so that ultrasound
The front end of knife has also been adjacent to bone tissue close to protection head, and then realizes the cutting to bone tissue, in cutting process,
Due to protecting head all the time between ultrasound knife and soft tissue, therefore, protection head can prevent that ultrasound knife is touched in cutting process
To soft tissue.
Fig. 1 a and 1b are the structural representations of first embodiment of clamping device in protection device of the present invention.Wherein,
Fig. 1 a are the schematic diagrames that ultrasound knife is installed to before protection device；Fig. 1 b are the signals that ultrasound knife is installed to after protection device
Figure.
As shown in Figure 1a, in the present embodiment, clamping device is arranged to pistol type.Specifically, first arm of force 1 is in substantially
The bending of L-shaped.First arm of force 1 include the pedestal bar 1-1 that extends laterally and from pedestal bar 1-1 rear end be starting point Longitudinal extending
The first Handheld Division 1-2.Angle between pedestal bar 1-1 and the first Handheld Division 1-2 can be in the obtuse angle shown in Fig. 1 a, can also
It is in obtuse angle or other angles.Pedestal bar 1-1 and the first Handheld Division 1-2 can be integrally formed by way of shown in Fig. 1 a,
The non-removable modes such as welding, bonding can be used to be fixedly connected, the connectors such as screw, bolt can also be used to consolidate both
Fixed connection.
Second arm of force 2 includes the second Handheld Division 2-2 and movable slider 2-1.Wherein, the second Handheld Division 2-2 is hinged on pedestal
Bar 1-1 and the first Handheld Division 1-2 junction, and rotated by fulcrum 0 of hinged place.Live on second Handheld Division 2-2 top
Dynamic connection movable slider 2-1, movable slider 2-1 are arranged on the pedestal bar 1-1, and movable slider 2-1 is in the second Handheld Division 2-2
Top impetus under using the pedestal bar 1-1 as guide rail enter line slip along the pedestal bar 1-1.
The action principle of present embodiment：
As shown in Figure 1 b, when pulling the second Handheld Division 2-2 along arrow a direction, because the second Handheld Division 2-2 is hinged
In O points, now, the second Handheld Division 2-2 bottom is drawn close to the first Handheld Division 1-2, and the second Handheld Division 2-2 top is then with O
Point moves for fulcrum 0 to the direction away from the first Handheld Division 1-2.Because the second Handheld Division 2-2 top is lived with movable slider 2-1
Dynamic connection, it using the pedestal bar 1-1 is guide rail along the pedestal bar 1-1 that the second Handheld Division 2-2 motion, which drives movable slider 2-1,
Enter line slip from pedestal bar 1-1 rear end forward end.Because protection first 3 is fixedly installed on pedestal bar 1-1 front end, ultrasound knife
100 are fixed on movable slider 2-1, and therefore, movable slider 2-1 slip drives ultrasound knife 100 to be drawn close to protection first 3.Conversely,
Then movable slider 2-1 slip drives ultrasound knife 100 away from protection first 3.
Fig. 2 is the cross-sectional view of first arm of force in Fig. 1 b；Fig. 4 is structural representation after resetting means is pressed in Fig. 3
Figure.
As shown in Fig. 2 wherein, first arm of force 1 is provided with the position being hinged with second arm of force 2 can cause institute
State the through hole that the second Handheld Division 2-2 top passes through；The top of the second Handheld Division 2-2 is flexibly connected institute through the through hole
State movable slider 2-1.
As shown in Figures 2 and 3, in yet another embodiment of the present invention, foregoing protection device embodiment basis
On, in order to realize that the second Handheld Division 2-2 can be after pulling, self-return can be realized by unclamping hand, be provided with resetting means
6.The resetting means 6 includes being used to realize automatically reseting for the first Handheld Division and the second Handheld Division.
Specifically, resetting means includes the first flexure strip 6-1 and the second flexure strip 6-2.First flexure strip 6-1 one end is consolidated
It is scheduled on the second Handheld Division 2-2；6-2 one end of second flexure strip is fixed on the first Handheld Division 1-2 one end；First flexure strip 6-1
The other end be fixedly connected with the 6-2 of the second flexure strip other end.The bottom of the first flexure strip 6-1 shown in figure is fixed on
Second Handheld Division 2-2.The 6-2 bottoms of second flexure strip are fixed on the first Handheld Division 1-2.First flexure strip 6-1 top and the
The 6-2 of two flexure strips top is fixedly connected.But protection scope of the present invention not limited to this, other can realize the shell fragment of reset
Fixed form is also within protection scope of the present invention, such as can also be that the first flexure strip 6-1 top is fixed on second-hand
Hold portion 2-2.The 6-2 tops of second flexure strip are fixed on the first Handheld Division 1-2.First flexure strip 6-1 bottom and the second elasticity
The 6-2 of piece bottom is fixedly connected.
Fig. 4 is the structural representation of second embodiment of clamping device in protection device of the present invention.
As shown in figure 4, in the present embodiment, clamping device is arranged to scissor.Specifically, first arm of force 1 is in middle part
Shape is extended laterally with bending.First arm of force 1 include linking arm 1-3, the 3rd Handheld Division 1-4 and be connected to linking arm 1-3 and
Bending section 1-5 between 3rd Handheld Division 1-4.Wherein, linking arm 1-3, the 3rd Handheld Division 1-4 and bending section 1-5 can integrally into
Type, the non-removable modes such as welding, bonding can also be used to be fixedly connected, can also use the connectors such as screw, bolt will
Both are fixedly connected.
Second arm of force 2 includes ultrasound knife fixed cover 2-3 and is fixed on the 4th Handheld Division 2- of ultrasound knife fixed cover 2-3 sides
4；Ultrasound knife fixed cover 2-3 front end is hinged on the 1-5 of bending section, and can be rotated by fulcrum 0 of the hinged place.It is super
Sound knife fixed cover 2-3 front-end and back-end have through hole and connected, to enable ultrasound knife 100 to be fixed on ultrasound through through hole
In knife fixed cover 2-3.
The action principle of present embodiment：As shown in figure 4, as the Handheld Division 1-4 of directional control the 3rd along arrow b and c
During with the 4th Handheld Division 2-4, because ultrasound knife fixed cover 2-3 and bending section 1-5 is hinged on O points, protection first 3 is fixedly installed on base
Seat bar 1-1 front end, ultrasound knife 100 are plugged in ultrasound knife fixed cover 2-3, and therefore, the 3rd Handheld Division 1-4 is along arrow c's
Direction is moved, and the direction that the 4th Handheld Division 2-4 arrow b is moved, and direction of the cutter head of ultrasound knife 100 along arrow f
Moved, protection first 3 is moved along arrow e direction, so that the cutter head of ultrasound knife 100 is to away from protection first 3
Direction motion.Conversely, the cutter head of ultrasound knife 100 is then caused to be drawn close to protection first 3.
Bending section 1-5 effect is so that linking arm 1-3 and the 3rd Handheld Division 1-4 not in same level height, from
And enable the protection first 3 for being arranged on linking arm 1-3 front ends positioned at the side of the cutter head of ultrasound knife 100.
In yet another embodiment of the present invention, on the basis of the embodiment of foregoing protection device, the second Handheld Division
2-2 is shaped to the shape for meeting ergonomics, so as to the more comfortable and convenient gripping of doctor.Specifically, second
Handheld Division 2-2 is being partially toward front end bending close to top；Second Handheld Division 2-2 close to bottom to be partially toward rear end curved
It is bent.
In yet another embodiment of the present invention, on the basis of the embodiment of foregoing protection device, in order that must surpass
Sound knife 100 is fixed on movable slider 2-1, and the first ultrasound knife retainer ring 4 is set in movable slider 2-1 front end；It is sliding in activity
Block 2-1 rear end sets the second ultrasound knife retainer ring 5；The diameter of first ultrasound knife retainer ring 4 and the second ultrasound knife retainer ring 5 point
Diameter not with ultrasound knife position to be fixed matches, so that ultrasound knife is by being set in the first ultrasound knife retainer ring 4
In the second ultrasound knife retainer ring 5, to be fixed on movable slider 2-1.
In yet another embodiment of the present invention, on the basis of the embodiment of foregoing protection device, in order that must cure
Raw convenient gripping and manipulation the 3rd Handheld Division 1-4 and the 4th Handheld Division 2-4, the 3rd Handheld Division 1-4 and the 4th Handheld Division 2-4
Annularly；The 3rd Handheld Division 1-4, which is provided with, can accommodate the through hole that at least a finger passes through；The 4th Handheld Division 2-4
The through hole that at least two fingers pass through can be accommodated by being provided with.
Fig. 5 is the structural representation of one embodiment of the protection head of protection device of the present invention；Fig. 6 is present invention protection dress
The structural representation of another embodiment of the protection head put；Fig. 7 is another implementation of the protection head of protection device of the present invention
The structural representation of example；Fig. 8 is the structural representation of another embodiment of the protection head of protection device of the present invention；Fig. 9 is this
The structural representation of another embodiment of the protection head of invention protection device；Figure 10 is the protection head of protection device of the present invention
The structural representation of another embodiment.
As shown in Figure 5-10, protection device provided by the invention, piece shape, cochlear, rectangle, wedge shape are shaped as available for protection
Cutter head.Shown protection first 3 can be adjusted correspondingly according to the shape of cutter head.Specifically, cutter head could be arranged to curved
The shapes such as rectangle, rectangle or ellipse.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.In addition, appended claims purport of the present invention
Covering the whole changes fallen into scope and border or this scope and the equivalents on border and repairing
Change example.
Claims (10)
- A kind of 1. protection device for ultrasound knife, it is characterised in that including：Clamping device and the guarantor on clamping device Head protector (3)；The clamping device includes：First arm of force (1) and second arm of force (2) being hinged with first arm of force (1)；The front end fixed setting protection head (3) of first arm of force (1)；The ultrasound knife (100) is fixedly installed on second arm of force (2), and the ultrasound knife (100) is with described in cutter head direction The mode of the front end of second arm of force (2) is fixed；First arm of force (1) and second arm of force (2) relatively rotate by fulcrum of hinged place, to cause the ultrasound knife (100) Cutter head recline or away from it is described protection head (3).
- 2. protection device according to claim 1, wherein,First arm of force (1) is in bending-like or straight shape, including the pedestal bar (1-1) that extends laterally and from pedestal bar (1-1) Rear end is the first Handheld Division (1-2) of starting point Longitudinal extending；Second arm of force (2) includes movable slider (2-1) and the second Handheld Division (2-2)；Second Handheld Division (2-2) is be hinged In the junction of pedestal bar (1-1) and the first Handheld Division (1-2), and rotated by fulcrum of hinged place；Described second is hand-held The top in portion (2-2) is flexibly connected the movable slider (2-1), and the movable slider (2-1) is arranged on the pedestal bar (1-1) On, the movable slider (2-1) is under the impetus on the top of second Handheld Division (2-2) with the pedestal bar (1-1) Enter line slip along the pedestal bar (1-1) for guide rail.
- 3. protection device according to claim 2, wherein,First arm of force (1) is provided with the position being hinged with second arm of force (2) can cause the second Handheld Division (2- 2) through hole that top passes through；The top of second Handheld Division (2-2) is flexibly connected the movable slider through the through hole (2-1)。
- 4. protection device according to claim 1, wherein,First arm of force (1) has what is bent to extend laterally shape, including linking arm (1-3), the 3rd Handheld Division (1-4) in middle part And the bending section (1-5) being connected between the linking arm (1-3) and the 3rd Handheld Division (1-4)；Second arm of force (2) includes ultrasound knife fixed cover (2-3) and is fixed on the 4th hand of ultrasound knife fixed cover (2-3) side Hold portion (2-4)；The front end of the ultrasound knife fixed cover (2-3) is be hinged with the bending section (1-5), and can be using the hinged place as fulcrum Rotated.
- 5. protection device according to claim 2, wherein,Second Handheld Division (2-2) is being partially toward front end bending close to top；Second Handheld Division (2-2) is being partially toward rear end bending close to bottom.
- 6. protection device according to claim 2, wherein,The front end of the movable slider (2-1) is provided with the first ultrasound knife retainer ring (4)；The rear end of the movable slider (2-1) is provided with the second ultrasound knife retainer ring (5)；The diameter of the first ultrasound knife retainer ring (4) and the second ultrasound knife retainer ring (5) respectively with ultrasound knife portion to be fixed The diameter of position matches.
- 7. protection device according to claim 2, wherein, it is provided with resetting means (6), institute on the pedestal bar (1-1) State the reset that resetting means (6) is used to realize the first Handheld Division (1-2) and the second Handheld Division (2-2).
- 8. protection device according to claim 7, wherein,The resetting means includes：First flexure strip (6-1) and the second flexure strip (6-2)；One end of first flexure strip (6-1) is fixed on second Handheld Division (2-2)；(6-2) one end of second flexure strip is fixed on first Handheld Division (1-2)；The other end of first flexure strip (6-1) is fixedly connected with the other end of (6-2) of second flexure strip.
- 9. protection device according to claim 4, wherein,3rd Handheld Division (1-4) and the 4th Handheld Division are annular in shape；3rd Handheld Division (1-4), which is provided with, can accommodate the through hole that at least a finger passes through；4th Handheld Division (2-4), which is provided with, can accommodate the through hole that at least two fingers pass through.
- 10. the protection device according to right will go any one of 1-7, the protection head (3) is shaped as moment of flexure shape, rectangle Or ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710687169.2A CN107441641B (en) | 2017-08-11 | 2017-08-11 | Protection device for ultrasonic knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN108852468A (en) * | 2018-07-16 | 2018-11-23 | 无锡市中医医院 | A kind of novel ultrasonic knife and its application method |
| CN112155671A (en) * | 2020-10-13 | 2021-01-01 | 常州安康医疗器械有限公司 | Transverse moving ultrasonic knife with offset chuck |
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| CN107441641B (en) | 2023-09-08 |
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