CN206275720U - A kind of ultrasonic reamer for hip arthroplasty,acetabulum and its file head suitable for minimally invasive total hip replacement - Google Patents
A kind of ultrasonic reamer for hip arthroplasty,acetabulum and its file head suitable for minimally invasive total hip replacement Download PDFInfo
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- CN206275720U CN206275720U CN201620958201.7U CN201620958201U CN206275720U CN 206275720 U CN206275720 U CN 206275720U CN 201620958201 U CN201620958201 U CN 201620958201U CN 206275720 U CN206275720 U CN 206275720U
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- reamer
- ultrasonic
- acetabulum
- hip arthroplasty
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Abstract
The utility model is related to the operating theater instruments of medical field, relate generally to a kind of ultrasonic reamer for hip arthroplasty,acetabulum suitable for minimally invasive total hip replacement, the ultrasonic reamer for hip arthroplasty,acetabulum includes control device, handle and file head, the handle inner includes piezoelectric-type ultrasonic wave producer, transmission mechanism, the piezoelectric-type ultrasonic wave producer includes two groups of piezoelectric elements, two groups of piezoelectric elements control horizontal and vertical ultrasonic activation respectively, piezoelectric-type ultrasonic wave producer and transmission mechanism are connected, the control device is connected with supersonic generator, and the transmission mechanism is connected with file head by adapter.Compared with prior art, ultrasonic reamer for hip arthroplasty,acetabulum can fast and safely be ground rigid tissue, and grinding surface is smooth, amount of bleeding is small, while preventing worn out acetabular bone, two different cutter head can be used cooperatively with ultrasonic wave reamer for hip arthroplasty,acetabulum, reamer for hip arthroplasty,acetabulum handle and file head obliquely angled, are applicable minimally invasive artificial full hip-joint replacement operation.The utility model reduces the damage of operation, improves operability, accuracy and the security of operation.
Description
Technical field
The utility model is related to the operating theater instruments of medical field, relates generally to a kind of suitable for minimally invasive total hip replacement
Ultrasonic reamer for hip arthroplasty,acetabulum and its file head.
Background technology
Artificial full hip-joint replacement is a kind for the treatment of operation for patient's hip lesion, and artificial hip joint replacing is used
The material good with biocompatibility and mechanicalness is made prosthese, and articular prosthesis are implanted into the joint of disease damage by performing the operation, and makes
Artificial prosthesis replace joint part, eliminate pain and the function that reactivates., it is necessary to using reamer for hip arthroplasty,acetabulum to hip in surgical procedure
Mortar carries out burr, removes articular cartilage and subchondral bone, and burr acetabular bone surface is allowed to more preferably be matched with artificial prosthesis.Present hip
Mortar file is all the motor head of connection rotation, and burr is rotated by cutter head, the quick rotation burr acetabular bone in narrow and small operative space,
Easy worn out acetabular bone, aggravates tissue damage, causes to bleed profusely.
Utility model content
The purpose of this utility model is to provide a kind of ultrasonic reamer for hip arthroplasty,acetabulum suitable for minimally invasive total hip replacement, is solved existing
In total hip replacement operation, the problem of the inapplicable mini-invasive incision of traditional electronic reamer for hip arthroplasty,acetabulum, easily worn out acetabular bone.
In order to realize above-mentioned purpose, adopt the following technical scheme that：A kind of surpassing suitable for minimally invasive total hip replacement
Sound reamer for hip arthroplasty,acetabulum, the ultrasonic reamer for hip arthroplasty,acetabulum includes control device, handle and file head, and the handle inner is sent out including piezoelectric ultrasonic
Raw device, transmission mechanism, the piezoelectric-type ultrasonic wave producer include two groups of piezoelectric elements, and two groups of piezoelectric elements control transverse direction respectively
With the vibration of longitudinal ultrasonic ripple, piezoelectric-type ultrasonic wave producer and transmission mechanism connect, the control device and supersonic generator
Connection, the transmission mechanism is connected with file head by adapter.Piezoelectric element uses piezoelectric ceramic piece or other crystalline materials.
Control device is used for the vibration frequency of the switch of whole ultrasound reamer for hip arthroplasty,acetabulum, the laterally longitudinal switching of ultrasonic wave and ultrasonic wave.
Further, the file head is hemispherical, and half outer surface of ball tight distribution has the edge of a knife, and the edge of a knife is circular or square
Shape, outwardly, four angles of the square edge of a knife are all circular arcs to circular knife edge two halves circular arc.Both edges of a knife are distributed in hemispherical table
Face, while being adapted to horizontal and vertical ultrasonic activation.
High-frequency ultrasonic vibration enables the effortless grinding bone of cutter head, to the effectively cutting of rigidity tissue, to soft
Tissue is reduced and damaged.This is the most of vibrational energy for absorbing ultrasonic wave of meeting, with knife because rigidity tissue is due to its rigidity characteris
During head, rigidity tissue will not deform, and contact point is vibrated extruding rapid stock-removal.When insert contacts are to soft tissue, due to soft group
Knit with good compliance, upper movement, deformation and resonance can occur, so as to transmit eliminate ultrasonic wave when with insert contacts
Vibrational energy, remaining energy is not enough to that soft tissue is caused to damage, therefore can at utmost reduce the injury to soft tissue.
Further, the adapter is 180 °, and reamer for hip arthroplasty,acetabulum is staight shank, and the adapter of staight shank can quickly be realized changing
Different file heads.
Further, the adapter is rake angle adapter, and handle and file head are adapted to different length into 90 to 145 ° of angles
Spend the artificial full hip-joint replacement operation of otch.In hip replacement surgery, staight shank reamer for hip arthroplasty,acetabulum operative incision at least 12 is used
Centimetre, and the reamer for hip arthroplasty,acetabulum with angle, the length and area of opening can be reduced, it is adapted to the small of minimally invasive artificial full hip-joint replacement
Otch, meanwhile, the reamer for hip arthroplasty,acetabulum operation of the hand-held rake angle of doctor is more flexible and convenient.
Further, the adapter is 135 ° of rake angle adapter, handle and file head into 135 ° of angles.Work as patient-side
It is sleeping, when staight shank reamer for hip arthroplasty,acetabulum is engaged with acetabular bone, typically with the horizontal 45 ° of angles, because staight shank reamer for hip arthroplasty,acetabulum is sideling to enter otch
, now operative incision is larger.Handle and file head into 135 ° of angles, then reamer for hip arthroplasty,acetabulum handle and horizontal plane with angle,
135 ° of reamer for hip arthroplasty,acetabulum is the same to be engaged with acetabular bone, and straight to enter otch, now operative incision is smaller, is adapted to minimally invasive artificial full-hip joint
Displacement.
Further, it is provided with lighting device on the handle.In Minimally Invasive Surgery, the usual very little of operative incision, operation is empty
Between it is very narrow and small, it is often necessary to secondary light source, lighting device is provided directly with arm, light angle is just suitable.
Further, the lighting device is the annulus dress LED row for being arranged on tubular handle periphery, is had in lighting device
Electrical power contact piece, contact chip is connected with the electric supply installation on handle by selecting switch, rotates the exclusive ring of LED, contact chip phase
It is powered and is powered off for selecting switch motion.The design makes handle succinct, and handle is not influenceed, and other are operated, it is only necessary to both hands
Handle and handle periphery annulus are rotated toward rightabout, then starts lighting device.
In addition to above-mentioned two kinds file heads can simultaneously accommodate horizontal and vertical ultrasonic activation, also two kinds points
Not Shi He horizontal and vertical ultrasonic activation file head.The first, file head is hemispherical, and spherical top part is furnished with circular knife edge,
Circular knife edge two halves circular arc is outwardly, and hemispherical N-Side surf is distributed with longitudinal curved edge.This file head is adapted to laterally super
Acoustic vibration, files head oscillation crosswise, and the edge of a knife of spherical top is to grinding in acetabular fossa, the curved edge oscillation crosswise of longitudinal direction, to hip
Mortar nest inner side edge is ground.Second, file head is hemispherical, and spherical top part is furnished with circular knife edge, circular knife edge two halves circular arc to
Outer protrusion, hemispherical N-Side surf is distributed with horizontal curved edge.This file head is adapted to the vibration of longitudinal ultrasonic ripple, and file head longitudinally shakes
Dynamic, to being ground in acetabular fossa, the curved edge extensional vibration of longitudinal direction is ground the edge of a knife of spherical top to acetabular fossa inner side edge.
Compared with prior art, ultrasonic reamer for hip arthroplasty,acetabulum can fast and safely be ground rigid tissue, and grinding surface is smooth, amount of bleeding
It is small, be prevented from worn out acetabular bone, and design two cutter head, can be used cooperatively with ultrasonic wave reamer for hip arthroplasty,acetabulum, reamer for hip arthroplasty,acetabulum handle and
File head obliquely angled, operative incision is smaller.The utility model reduces the damage of operation, improves operability, the accuracy of operation
And security.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1；
Fig. 2 is the structural representation of handle inner of the present utility model；
Fig. 3 is the structural representation of the utility model embodiment 2；
During Fig. 4 is the utility model embodiment 3, it is adapted to the file head schematic diagram of lateral ultrasonic wave；
During Fig. 5 is the utility model embodiment 3, it is adapted to the schematic diagram of the file head of longitudinal ultrasonic ripple.
Specific embodiment
With reference to embodiment, the utility model will be further described.
Embodiment 1
As shown in figure 1, a kind of ultrasonic reamer for hip arthroplasty,acetabulum suitable for minimally invasive total hip replacement, ultrasonic reamer for hip arthroplasty,acetabulum is including controlling dress
Put 1, handle 2 and file first 31, as shown in Fig. 2 handle 2 is tubular, are provided with piezoelectric-type ultrasonic wave producer 4, transmission in handle
Mechanism 5, lighting device 7, the inside of piezoelectric-type ultrasonic wave producer 4 include two groups of piezoelectric elements, and piezoelectric element 41 controls laterally super
Acoustic vibration, the control longitudinal ultrasonic ripple vibration of piezoelectric element 42, piezoelectric-type ultrasonic wave producer 4 and transmission mechanism 5 are connected, are driven
Mechanism 5 is connected with file first 31 by adapter 61, and adapter 61 is rake angle, files head and handle into 135 °.Handle periphery sets
Lighting device 7 is equipped with, lighting device is annulus LED row 7, and lighting device 7 is connected with the feeder ear in handle 2 by selecting switch
Connect.The file first 31 of reamer for hip arthroplasty,acetabulum is hemispherical, and half outer surface of ball tight distribution has the edge of a knife, and the edge of a knife is circle, circular knife edge two semicircular
Arc is outwardly.Control device 1 is external, is connected with handle 2, the switch of the whole ultrasound reamer for hip arthroplasty,acetabulum of control device control, ultrasonic wave
The switching of horizontal longitudinal direction and the vibration frequency of ultrasonic wave.
The file head of the present embodiment can simultaneously be applicable lateral ultrasonic wave vibration and the vibration of longitudinal ultrasonic ripple, and switching is vertically and horizontally ultrasonic
Without switching file head when ripple vibrates.
Embodiment 2
As shown in figure 3, a kind of ultrasonic reamer for hip arthroplasty,acetabulum suitable for minimally invasive total hip replacement, ultrasonic reamer for hip arthroplasty,acetabulum is including controlling dress
Put 1, handle 2 and file first 32, as shown in Fig. 2 handle 2 is tubular, are provided with piezoelectric-type ultrasonic wave producer 4, transmission in handle
Mechanism 5, lighting device 7, the inside of piezoelectric-type ultrasonic wave producer 4 include two groups of piezoelectric elements, and piezoelectric element 41 controls laterally super
Acoustic vibration, the control longitudinal ultrasonic ripple vibration of piezoelectric element 42, piezoelectric-type ultrasonic wave producer 4 and transmission mechanism 5 are connected, are driven
Mechanism 5 is connected with file first 32 by adapter 62.Handle periphery is provided with lighting device 7, and lighting device is annulus LED row 7,
Lighting device 7 is connected with the feeder ear in handle 2 by selecting switch.The file first 32 of reamer for hip arthroplasty,acetabulum is hemispherical, half outer surface of ball
Tight distribution has the edge of a knife, and the edge of a knife is square, and square four angles are all circular arcs.Control device 1 is external, is connected with handle 2, control
The vibration frequency of the switch of the whole ultrasound reamer for hip arthroplasty,acetabulum of device control processed, the laterally longitudinal switching of ultrasonic wave and ultrasonic wave.
The file head of the present embodiment can simultaneously be applicable lateral ultrasonic wave vibration and the vibration of longitudinal ultrasonic ripple, and switching is vertically and horizontally ultrasonic
Without switching file head when ripple vibrates.
Embodiment 3
As illustrated in figures 4-5, a kind of ultrasonic reamer for hip arthroplasty,acetabulum suitable for minimally invasive total hip replacement, ultrasonic reamer for hip arthroplasty,acetabulum includes control
Device 1, handle 2 and file head, as shown in Fig. 2 handle 2 is tubular, are provided with piezoelectric-type ultrasonic wave producer 4, transmission in handle
Mechanism 5, lighting device 7, the inside of piezoelectric-type ultrasonic wave producer 4 include two groups of piezoelectric elements, and piezoelectric element 41 controls laterally super
Acoustic vibration, the control longitudinal ultrasonic ripple vibration of piezoelectric element 42, piezoelectric-type ultrasonic wave producer 4 and transmission mechanism 5 are connected, are driven
Mechanism 5 is connected with file first 33 by adapter 61.Handle periphery is provided with lighting device 7, and lighting device is annulus LED row 7,
Lighting device 7 is connected with the feeder ear in handle 2 by selecting switch.Reamer for hip arthroplasty,acetabulum is equipped with two kinds of file heads, is respectively first 33 He of file
File first 34, as shown in figure 4, file first 33 is hemispherical, spherical top part is furnished with circular knife edge, circular knife edge two halves circular arc convex
Go out, hemispherical N-Side surf is distributed with longitudinal curved edge.File first 33 is adapted to lateral ultrasonic wave vibration, files head oscillation crosswise, half
To being ground in acetabular fossa, the curved edge oscillation crosswise of longitudinal direction is ground the edge of a knife of top dome to acetabular fossa inner side edge.As shown in figure 5,
File first 34 is hemispherical, and spherical top part is furnished with circular knife edge, and circular knife edge two halves circular arc is outwardly, hemispherical N-Side surf point
It is furnished with horizontal curved edge.File first 34 is adapted to the vibration of longitudinal ultrasonic ripple, files head extensional vibration, and the edge of a knife of spherical top is to acetabular fossa
Interior grinding, the curved edge extensional vibration of longitudinal direction is ground to acetabular fossa inner side edge.Control device 1 is external, is connected with handle 2, control
The vibration frequency of the switch of the whole ultrasound reamer for hip arthroplasty,acetabulum of device control processed, the laterally longitudinal switching of ultrasonic wave and ultrasonic wave.
The different file head of two kinds of the present embodiment, is applicable lateral ultrasonic wave vibration respectively, using making according to vertically and horizontally ultrasonic wave
Corresponding file head is changed in vibration.
Claims (10)
1. a kind of ultrasonic reamer for hip arthroplasty,acetabulum suitable for minimally invasive total hip replacement, it is characterised in that the ultrasonic reamer for hip arthroplasty,acetabulum includes control
Device processed, handle and file head, the handle inner include piezoelectric-type ultrasonic wave producer, transmission mechanism, the piezoelectric-type ultrasonic
Wave producer includes two groups of piezoelectric elements, and two groups of piezoelectric elements control horizontal and vertical ultrasonic activation, piezoelectric-type ultrasonic respectively
Wave producer and transmission mechanism are connected, and the control device is connected with supersonic generator, and the transmission mechanism passes through with file head
Adapter is connected.
2. ultrasonic reamer for hip arthroplasty,acetabulum according to claim 1, it is characterised in that the file head is hemispherical, half outer surface of ball point
Circular knife edge is furnished with, two halves circular arc is outwardly.
3. ultrasonic reamer for hip arthroplasty,acetabulum according to claim 1, it is characterised in that the file head is hemispherical, half outer surface of ball point
The square edge of a knife is furnished with, square four angles are all circular arcs.
4. ultrasonic reamer for hip arthroplasty,acetabulum according to claim 1, it is characterised in that the adapter is 180 °.
5. ultrasonic reamer for hip arthroplasty,acetabulum according to claim 1, it is characterised in that the adapter is rake angle adapter, handle
With file head into 90 to 145 ° of angles.
6. ultrasonic reamer for hip arthroplasty,acetabulum according to claim 1, it is characterised in that the adapter is 135 ° of rake angle switching
Head, handle and file head into 135 ° of angles.
7. ultrasonic reamer for hip arthroplasty,acetabulum according to claim 1, it is characterised in that be provided with lighting device on the handle.
8. ultrasonic reamer for hip arthroplasty,acetabulum according to claim 7, it is characterised in that the lighting device is to be arranged on outside tubular handle
The annulus dress LED row for enclosing, there is electrical power contact piece in lighting device, contact chip passes through selecting switch with the electric supply installation on handle
Connection, rotates the exclusive ring of LED, and contact chip is powered and is powered off relative to selecting switch motion.
9. the file head of ultrasonic reamer for hip arthroplasty,acetabulum described in a kind of suitable claim 1, it is characterised in that the file head is hemispherical, hemisphere
Top is distributed with circular knife edge, and circular knife edge two halves circular arc is outwardly, and hemispherical N-Side surf is distributed with longitudinal curved edge.
10. the file head of ultrasonic reamer for hip arthroplasty,acetabulum described in a kind of suitable claim 1, it is characterised in that the file head is hemispherical, hemisphere
Top is distributed with circular knife edge, and circular knife edge two halves circular arc is outwardly, and hemispherical N-Side surf is distributed with horizontal curved edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958201.7U CN206275720U (en) | 2016-08-29 | 2016-08-29 | A kind of ultrasonic reamer for hip arthroplasty,acetabulum and its file head suitable for minimally invasive total hip replacement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958201.7U CN206275720U (en) | 2016-08-29 | 2016-08-29 | A kind of ultrasonic reamer for hip arthroplasty,acetabulum and its file head suitable for minimally invasive total hip replacement |
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| Publication Number | Publication Date |
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| CN206275720U true CN206275720U (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620958201.7U Active CN206275720U (en) | 2016-08-29 | 2016-08-29 | A kind of ultrasonic reamer for hip arthroplasty,acetabulum and its file head suitable for minimally invasive total hip replacement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344107A (en) * | 2016-08-29 | 2017-01-25 | 胡军 | Ultrasonic acetabular reamers and file thereof suitable for minimally invasive/total hip replacement |
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2016
- 2016-08-29 CN CN201620958201.7U patent/CN206275720U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344107A (en) * | 2016-08-29 | 2017-01-25 | 胡军 | Ultrasonic acetabular reamers and file thereof suitable for minimally invasive/total hip replacement |
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