CN110090048A - A kind of ultrasonic osteotome bit - Google Patents
A kind of ultrasonic osteotome bit Download PDFInfo
- Publication number
- CN110090048A CN110090048A CN201910462288.7A CN201910462288A CN110090048A CN 110090048 A CN110090048 A CN 110090048A CN 201910462288 A CN201910462288 A CN 201910462288A CN 110090048 A CN110090048 A CN 110090048A
- Authority
- CN
- China
- Prior art keywords
- head body
- connecting rod
- ultrasonic osteotome
- knife handle
- osteotome bit
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/14—Surgical saws
- A61B17/147—Surgical saws with circularly moving saw blades, i.e. non-reciprocating saw blades
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Surgical Instruments (AREA)
Abstract
The application provides a kind of ultrasonic osteotome bit, comprising: knife handle；The connecting rod being arranged inside head body, with the knife handle is rotatably connected；Handle set is connected in the outer wall of the knife handle.When use, first hold the handle on handle set surface, cutter head point is anchored to processus articular superior using can be manually rotated, holds the outer wall of knife handle, then to fix head body, open motor, driven by the motor, connecting rod rotates, so that head body be driven to rotate, the sawtooth portion being arranged using cutter head point surface, cut-out processus articular superior.That is, automatic excision processus articular superior can be realized, establish service aisle using ultrasonic osteotome bit provided by the present application.In addition, planar portions are also rotating due to during head body rotates, therefore planar portions are not provided with pointed structures, and planar portions are corresponding with intervertebral foramen back side, reduce the risk of pointed structures injuring nerve root and dural sac.
Description
Technical field
This application involves technical field of medical equipment, and in particular to a kind of ultrasonic osteotome bit.
Background technique
With the development of minimally invasive spinal surgery foramen intervertebrale lens technology, foramen intervertebrale lens technology in the treatment protrasion of the lumbar intervertebral disci and
In lumbar spinal stenosis using more and more extensive, foramen intervertebrale lens are similar with spinal endoscopes, are a pipes equipped with light
Son, it enters intervertebral foramen from patient body side or side rear, implements to perform the operation in trouble free service trigonum.It is straight in foramen intervertebrale lens
It can be clearly seen that the bone tissue of nucleus pulposus outstanding, nerve root, dural sac and hyperplasia depending under, use all kinds of nippers to extract and protrude
Tissue or mirror go down deossification etc..
Subtract in the case where the key points for operation for implementing to perform the operation using foramen intervertebrale lens technology include Needle localization, establish service aisle and mirror
Press three parts, wherein establishing service aisle is the stage more important in foramen intervertebrale lens technology.In service aisle establishment process
In, it usually needs expand intervertebral foramen, currently, hand operation to carry out intervertebral foramen forming, take by when operating cost under X-ray examination guidance
Power, and there are the risks of injuring nerve root and dural sac.
Summary of the invention
The application provides a kind of ultrasonic osteotome bit, to solve in foramen intervertebrale lens technology, hand operation carry out intervertebral foramen at
It is time-consuming and laborious during row, and there are problems that the risk of injuring nerve root and dural sac.
The application provides a kind of ultrasonic osteotome bit, comprising: knife handle；The company being arranged inside head body, with the knife handle
Extension bar is rotatably connected；Handle set is connected in the outer wall of the knife handle；
Wherein, the knife handle and the head body are hollow cylinder structure；
The knife handle is internally provided with motor far from one end of the head body, and the motor is connected with the connecting rod
It connects, the motor rotates for controlling the connecting rod, and the connecting rod is overlapped with the center line of the knife handle；
The proximal inner of the head body is provided with the male screw matched with the connecting rod, the head body
Distal end is provided with cutter head point, and the cutter head point includes sawtooth portion and planar portions, and the sawtooth portion is provided with multiple along the cutter head
The outwardly projecting sawtooth in the edge of main body, the sawtooth are used for cut-out processus articular superior；
The outer surface of the head body is provided with scale corresponding with the midpoint of the planar portions, the scale and vertebra
Between hole back side it is corresponding.
Optionally, the inside of the knife handle is additionally provided with diversion pipe, and the proximal inner of the head body is provided with annular
Channel, the center line of the circular passage are overlapped with the center line of the connecting rod, and the internal diameter of the circular passage is greater than described
The outer diameter of male screw；
The bottom end of the diversion pipe passes through the circular passage and extends to inside the head body, and the diversion pipe is used for
Coolant liquid is perfused, so that the head body cools down.
Optionally, the proximal inner of the head body is provided with bearing plate, and the bearing plate is the plate knot of umbilicate type
Structure；
One end of the bearing plate is fixedly connected with the outer wall of the male screw, the proximal end of the other end and the head body
Inner wall is fixedly connected.
Optionally, the end of the connecting rod is provided with female screw, and the female screw is matched with the male screw.
Optionally, the outer surface of the handle set is provided at least two handles.
Optionally, the sawtooth portion accounts for the 40~60% of the head body rim circumference.
Optionally, the height of the sawtooth is 2~3mm, and the quantity of the sawtooth is 12~16.
Optionally, the internal diameter of the head body is 7.5~7.8mm, and the wall thickness of the head body is 0.2~0.5mm.
Optionally, the head body is made under the drive of the connecting rod by axis of the center line of the head body
Rotary motion, the angle of rotation is less than 30 °.
From the above technical scheme, the application provides a kind of ultrasonic osteotome bit, in use, first holding handle set surface
Handle, cutter head point is anchored to processus articular superior using can be manually rotated, then hold knife handle outer wall, to fix cutter head master
Body opens motor, and driven by the motor, connecting rod rotates, so that head body be driven to rotate, utilizes knife
The sawtooth portion of the sharp surface setting of head, cut-out processus articular superior.That is, using ultrasonic osteotome bit provided by the present application,
Automatic excision processus articular superior can be realized, establish service aisle.In addition, due to during head body rotates,
Planar portions are also rotating, therefore planar portions are not provided with pointed structures, and planar portions are corresponding with intervertebral foramen back side,
Reduce the risk of pointed structures injuring nerve root and dural sac.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a kind of structural schematic diagram of ultrasonic osteotome bit provided by the embodiments of the present application；
Fig. 2 is the enlarged diagram of the part a in Fig. 1 provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of cutter head point in a kind of ultrasonic osteotome bit provided by the embodiments of the present application；
Fig. 4 is the side elevation view structural schematic diagram of head body in a kind of ultrasonic osteotome bit provided by the embodiments of the present application；
Fig. 5 is the side elevation view structural representation of head body in another ultrasonic osteotome bit provided by the embodiments of the present application
Figure.
It illustrates: 1- knife handle；2- head body；3- handle set；11- connecting rod；12- motor；13- diversion pipe；14- yin
Spiral；21- male screw；22- cutter head point；23- scale；The circular passage 24-；25- bearing plate；26- connecting plate；31- handle；221-
Sawtooth portion；222- planar portions；223- sawtooth.
Specific embodiment
The application is described in detail below in conjunction with attached drawing.
In the key points for operation for implementing operation using foramen intervertebrale lens technology, establishing service aisle is the Xiang Chong for implementing operation
When wanting step, and establishing service aisle, it usually needs cut-out processus articular superior.As shown in Figure 1, the application provides a kind of ultrasound
Osteotome cutter head, comprising: knife handle 1, head body 2 and handle set 3；The knife handle 1 is internally provided with connecting rod 11, the cutter head master
Body 2 is rotatably connected with the connecting rod 11；Handle set 3 is connected in the outer wall of the knife handle 1, and 3 outer surface of handle set is provided with
At least two handles 31.In use, holding the outer wall of knife handle 1, the connecting rod 11 inside knife handle 1 drives head body 2 to rotate
Movement, thus cut-out processus articular superior.
Handle set 3 primarily serves booster action, specifically: before starting motor, i.e., head body 2 rotates it
Before, the end of head body 2 is touched the processus articular superior for needing to cut off by hand-held handle set 3, and can be manually rotated head body, is made
The end for obtaining head body is anchored on processus articular superior surface, that is, handle set 3 plays the role of auxiliary positioning.
The knife handle 1 is hollow cylinder structure with the head body 2, and hollow cylinder structure is other component
Setting provides space.
The knife handle 1 is internally provided with motor 12, the motor 12 and the connection far from one end of the head body 2
Bar 11 is connected, and the motor 12 rotates for controlling the connecting rod 11, the connecting rod 11 and the knife handle 1
Center line is overlapped.
The application using head body 2 close to one end of the knife handle 1 as proximal end, the one end that will be far from the knife handle 1 is made
For distal end.The proximal inner of the head body 2 is provided with the male screw 21 matched with the connecting rod 11, the cutter head master
The distal end of body 2 is provided with cutter head point 22, and the cutter head point 22 includes sawtooth portion 221 and planar portions 222, and the sawtooth portion 221 is set
Multiple outwardly projecting sawtooth 223 in the edge along the head body 2 are equipped with, the sawtooth 223 is used for cut-out upper joint
It is prominent.
Referring to cutter head point structural schematic diagram shown in Fig. 3, the outer surface of the head body 2 is provided with and the planar portions
The corresponding scale 23 in 222 midpoint, the scale 23 are corresponding with intervertebral foramen back side.Scale 23 traverses the head body 2
Outer wall, play the role of mark.When ultrasonic osteotome bit is protruded into pre-set tissue inside pipe casing, just by scale 23
To intervertebral foramen back side, since 23 position of scale is corresponding with the midpoint of planar portions 222, so that 222 face intervertebral of planar portions
Hole back side, 222 surface of planar portions are not provided with pointed structures, reduce the risk of pointed structures injuring nerve root and dural sac.
Ultrasonic osteotome bit provided by the present application is used to replace manual operation of tradition during establishing service aisle,
It before establishing service aisle using ultrasound knife cutter head, needs to carry out following preparation: firstly, judging disk by preoperative diagosis
Position outstanding determines the target spot punctured, then according to the abdomen inclination angle and tail inclination angle of Radiological measurement, and passes through trigonometric function meter
Calculate the puncture path length of patient and the distance apart from skin subpoint；Secondly, preoperative mark skin penetrating point, will puncture
Pin puncture around layer-by-layer anaesthetic skin, subcutaneous, fascia and articular process, is inserted into seal wire, successively expands soft tissue to target spot,
It is implanted into 8mm soft tissue casing, ultrasonic osteotome bit provided by the present application is placed in along casing, starts piezosurgery osteotomy, when falling through
Piezosurgery osteotomy is taken out when sense, and extracts processus articular superior bone column, that is, establishes service aisle, is then placed in 7.5mm working column, even
Connect the operation that foramen intervertebrale lens extract nucleus pulposus.
In use due to ultrasonic osteotome bit, head body 2 is needed to rotate left and right to cut off processus articular superior, and it is left
During right rotation, 2 outer wall of head body will necessarily generate friction with external tissue casing is arranged in, to avoid friction from generating
Heat influence ultrasonic osteotome bit normal work, the application be the ultrasonic osteotome bit design a kind of cooling structure.It should
Cooling structure is specifically to be internally provided with diversion pipe 13 in the knife handle 1, and the proximal inner of the head body 2 is provided with ring
Shape channel 24, the center line of the circular passage 24 are overlapped with the center line of the connecting rod 11, the circular passage 24 it is interior
Diameter is greater than the outer diameter of the male screw 21.
The bottom end of the diversion pipe 13 passes through the circular passage 24 and extends to inside the head body 2, diversion pipe 13
The coolant liquid of top perfusion, such as water, the inside of head body 2 is flow to by circular passage 24, to be the head body 2
Cooling.
In the application, diversion pipe 13 is fixedly installed on the inside of knife handle 1, to flow to the coolant liquid in diversion pipe 13 smoothly
The inside of head body 2 then needs to open up circular passage 24, circular passage 24 between 2 inner wall of male screw 21 and head body
It can be arranged by collar shape of the center line of head body 2；In addition, since head body 2 is using its center line as axis left rotation and right rotation,
And angle is rotated within 30 °, therefore semi-circular can be set into circular passage 24, and it only need to be when head body 2 rotates, annular
Channel 24 does not interfere with the normal work of diversion pipe 13.
If circular passage 24 is annular setting, as shown in Fig. 2, in order to which male screw 21 and 2 inner wall of head body are connected
It picks up and, the proximal inner of the head body 2 is provided with bearing plate 25, and the bearing plate 25 is the plate structure of umbilicate type；
One end of the bearing plate 25 is fixedly connected with the outer wall of the male screw 21, in the proximal end of the other end and the head body 2
Wall is fixedly connected.
The bearing plate 25 is for connecting male screw 21 and the inner wall of head body 2, so that head body 2 is with sun
The rotation of spiral 21 and rotate.In a kind of achievable mode, as shown in figure 4, the width of bearing plate 25 is less than the cutter head
In practical application, to keep the connection between male screw 21 and head body 2 stronger, multiple hold is can be used in the radius of main body 2
Fishplate bar 25 has gap between two neighboring bearing plate 25, so that the cooling water of 13 end of diversion pipe outflow smoothly flow to cutter head master
The inside of body 2.
If circular passage be arranged to it is semiorbicular, as shown in figure 5, if only need to the region other than circular passage be arranged connect
Fishplate bar 26, connecting plate 26 is for connecting male screw 21 and the inner wall of head body 2, so that head body 2 is with male screw
21 rotation and rotate.In the embodiment of the present application, head body 2 at work, rotates left and right within 30 ° along its center line,
That is, the displacement that the inner wall of head body 2 occurs relative to diversion pipe 13 is within the scope of certain angle, therefore only need to be by circular passage
Opposite flow pipe 13 is symmetrical arranged, and circular passage can be covered since head body 2 rotates bring displacement.
Optionally, the end of the connecting rod 11 is provided with female screw 14, the female screw 14 and 21 phase of male screw
Cooperation.
Optionally, the sawtooth portion 221 accounts for the 40~60% of 2 rim circumference of head body.
In the application, the excessive height of sawtooth 223 is easy to appear pawl, and the height of sawtooth 223 is excessively inefficient lower, therefore
The height of sawtooth 223 is set as 2~3mm, the quantity of the sawtooth 223 is 12~16.
Optionally, the internal diameter of the head body 2 is 7.5~7.8mm, the wall thickness of the head body 2 is 0.2~
0.5mm。
The length of the head body 2 is 14cm, and handle set is arranged at the 1cm of cutter head proximal end, to hold the handle set
On handle.In a kind of achievable mode, handle set is hexagon, periphery diameter 11mm, and handle can be connected on handle set,
To dismantle.
Optionally, under the drive of the connecting rod 11, the center line with the head body 2 is the head body 2
Axis rotation, the angle of rotation is less than 30 °.Head body 2 is rotated left and right along center line, rotates angle within 30 °, and one
Aspect makes sawtooth portion 221 act on the excision position of processus articular superior, constantly applies active force to the position, utilizes sawtooth 223
Tip processus articular superior is cut off.For the outer surface of head body 2, the other positions in addition to cutter head point 22 are designed to light
Slipped Clove Hitch structure generates unnecessary harm to other component during the work time to avoid head body 2.
From the above technical scheme, the application provides a kind of ultrasonic osteotome bit, in use, first holding handle set surface
Handle, cutter head point is anchored to processus articular superior using can be manually rotated, then hold knife handle outer wall, to fix cutter head master
Body opens motor, and driven by the motor, connecting rod rotates, so that head body be driven to rotate, utilizes knife
The sawtooth portion of the sharp surface setting of head, cut-out processus articular superior.That is, using ultrasonic osteotome bit provided by the present application,
Automatic excision processus articular superior can be realized, establish service aisle.In addition, due to during head body rotates,
Planar portions are also rotating, therefore planar portions are not provided with pointed structures, and planar portions are corresponding with intervertebral foramen back side,
Reduce the risk of pointed structures injuring nerve root and dural sac.
Combine detailed description and exemplary example that the application is described in detail above, but these explanations are simultaneously
It should not be understood as the limitation to the application.It will be appreciated by those skilled in the art that without departing from the application spirit and scope,
A variety of equivalent substitution, modification or improvements can be carried out to technical scheme and embodiments thereof, these each fall within the application
In the range of.The protection scope of the application is determined by the appended claims.
Claims (9)
1. a kind of ultrasonic osteotome bit characterized by comprising
Knife handle (1)；
Head body (2) is rotatably connected with the connecting rod (11) being arranged inside the knife handle (1)；
Handle set (3), is connected in the outer wall of the knife handle (1)；
Wherein, the knife handle (1) and the head body (2) are hollow cylinder structure；
The knife handle (1) is internally provided with motor (12) far from the one end of the head body (2), the motor (12) with it is described
Connecting rod (11) is connected, and the motor (12) rotates for controlling the connecting rod (11), the connecting rod (11)
It is overlapped with the center line of the knife handle (1)；
The proximal inner of the head body (2) is provided with the male screw (21) matched with the connecting rod (11), the knife
The distal end of head main body (2) is provided with cutter head point (22), and the cutter head sharp (22) includes sawtooth portion (221) and planar portions (222), institute
It states sawtooth portion (221) and is provided with multiple outwardly projecting sawtooth in edge (223) along the head body (2), the sawtooth
(223) it is used for cut-out processus articular superior；
The outer surface of the head body (2) is provided with scale (23) corresponding with the midpoint of the planar portions (222), described
Scale (23) is corresponding with intervertebral foramen back side.
2. ultrasonic osteotome bit according to claim 1, which is characterized in that the inside of the knife handle (1), which is additionally provided with, leads
The proximal inner of flow tube (13), the head body (2) is provided with circular passage (24), the center line of the circular passage (24)
It is overlapped with the center line of the connecting rod (11), the internal diameter of the circular passage (24) is greater than the outer diameter of the male screw (21)；
The bottom end of the diversion pipe (13) passes through the circular passage (24) and extends to the head body (2) inside, described to lead
Flow tube (13) is for being perfused coolant liquid, so that the head body (2) cools down.
3. ultrasonic osteotome bit according to claim 2, which is characterized in that the proximal inner of the head body (2) is set
It is equipped with bearing plate (25), the bearing plate (25) is the plate structure of umbilicate type；
One end of the bearing plate (25) is fixedly connected with the outer wall of the male screw (21), the other end and the head body
(2) proximal end inner wall is fixedly connected.
4. ultrasonic osteotome bit according to claim 1, which is characterized in that the end of the connecting rod (11) is provided with yin
Spiral (14), the female screw (14) match with the male screw (21).
5. ultrasonic osteotome bit according to claim 1, which is characterized in that the outer surface of the handle set (3) is provided with
At least two handles (31).
6. ultrasonic osteotome bit according to claim 1, which is characterized in that sawtooth portion (221) the Zhan Suoshu cutter head master
The 40~60% of body (2) rim circumference.
7. ultrasonic osteotome bit according to claim 1, which is characterized in that the height of the sawtooth (223) is 2~3mm,
The quantity of the sawtooth (223) is 12~16.
8. ultrasonic osteotome bit according to claim 1, which is characterized in that the internal diameter of the head body (2) be 7.5~
7.8mm, the wall thickness of the head body (2) are 0.2~0.5mm.
9. ultrasonic osteotome bit according to claim 1, which is characterized in that the head body (2) is in the connecting rod
(11) under drive, using the center line of the head body (2) as axis rotation, the angle of rotation is less than 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462288.7A CN110090048A (en) | 2019-05-30 | 2019-05-30 | A kind of ultrasonic osteotome bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462288.7A CN110090048A (en) | 2019-05-30 | 2019-05-30 | A kind of ultrasonic osteotome bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110090048A true CN110090048A (en) | 2019-08-06 |
Family
ID=67449703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910462288.7A Pending CN110090048A (en) | 2019-05-30 | 2019-05-30 | A kind of ultrasonic osteotome bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110090048A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571106A (en) * | 1995-05-17 | 1996-11-05 | International Business Machines Corporation | Surgical cutting instrument |
| US20030004517A1 (en) * | 2000-09-11 | 2003-01-02 | Anderson D. Greg | Percutaneous technique and implant for expanding the spinal canal |
| CN102225467A (en) * | 2011-05-20 | 2011-10-26 | 西北工业大学 | Forming die and forming method for forming pipe fittings made of powdery material |
| WO2016054140A1 (en) * | 2014-10-01 | 2016-04-07 | Stryker European Holdings I, Llc | Powered surgical tool system including a cutting accessory with a rotating shaft and a nose capable of cooling the shaft |
| CN205658950U (en) * | 2016-05-09 | 2016-10-26 | 昆明市中医医院 | Modular eccentric trepan |
| CN207084844U (en) * | 2017-01-12 | 2018-03-13 | 江苏水木天蓬科技有限公司 | A kind of ultrasonic osteotome bit and piezosurgery osteotomy |
| CN109717924A (en) * | 2019-01-31 | 2019-05-07 | 重庆市第四人民医院 | Ligamentum flavum Knife for stripping cable |
-
2019
- 2019-05-30 CN CN201910462288.7A patent/CN110090048A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5571106A (en) * | 1995-05-17 | 1996-11-05 | International Business Machines Corporation | Surgical cutting instrument |
| US20030004517A1 (en) * | 2000-09-11 | 2003-01-02 | Anderson D. Greg | Percutaneous technique and implant for expanding the spinal canal |
| CN102225467A (en) * | 2011-05-20 | 2011-10-26 | 西北工业大学 | Forming die and forming method for forming pipe fittings made of powdery material |
| WO2016054140A1 (en) * | 2014-10-01 | 2016-04-07 | Stryker European Holdings I, Llc | Powered surgical tool system including a cutting accessory with a rotating shaft and a nose capable of cooling the shaft |
| CN205658950U (en) * | 2016-05-09 | 2016-10-26 | 昆明市中医医院 | Modular eccentric trepan |
| CN207084844U (en) * | 2017-01-12 | 2018-03-13 | 江苏水木天蓬科技有限公司 | A kind of ultrasonic osteotome bit and piezosurgery osteotomy |
| CN109717924A (en) * | 2019-01-31 | 2019-05-07 | 重庆市第四人民医院 | Ligamentum flavum Knife for stripping cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210301203U (en) | Ablation needle assembly and ablation system | |
| US9974558B2 (en) | Surgical instrument with distal bearing assembly | |
| EP2667794B1 (en) | Surgical cutting instrument with distal suction capabiilty | |
| CN105816220B (en) | The rigid sheath of surgical tool | |
| US9750491B2 (en) | Instruments for use in femoroacetabular impingement procedures | |
| US7217271B2 (en) | Orthopaedic reamer driver for minimally invasive surgery | |
| JP3728010B2 (en) | Template assembly | |
| US20040215186A1 (en) | Electrical block positioning devices and methods of use therefor | |
| CN106456187A (en) | Ultrasonic surgical instrument | |
| JP2006043459A (en) | Surgical attachment system | |
| US20170105748A1 (en) | Surgical device and method of use | |
| US11931204B2 (en) | Catheter and associated methods | |
| US20220160389A1 (en) | Endoluminal punch system | |
| CN110090048A (en) | A kind of ultrasonic osteotome bit | |
| EP4331511A1 (en) | Microdebrider with stability interface bushing | |
| EP3911250B1 (en) | Surgical access system | |
| CN215129545U (en) | Reamer for orthopedic surgery | |
| CN220069811U (en) | Femoral head necrosis removing device | |
| CN217566204U (en) | Direction-changeable spine grinding head | |
| CN2623181Y (en) | Operation channel in fixer for excising intervertebral cartilages from the back | |
| CN208926533U (en) | A kind of navigation puncture device of detachable operation | |
| WO2021063381A1 (en) | Atrial septostomy device | |
| CN118750092A (en) | A detachable anchoring device for arthroscopy and a method of using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190806 |