CN210185642U - Under-mirror trepan system for visual vertebroplasty - Google Patents
Under-mirror trepan system for visual vertebroplasty Download PDFInfo
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- CN210185642U CN210185642U CN201920417215.1U CN201920417215U CN210185642U CN 210185642 U CN210185642 U CN 210185642U CN 201920417215 U CN201920417215 U CN 201920417215U CN 210185642 U CN210185642 U CN 210185642U
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- sleeve
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- ball
- handle
- endoscope
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- 230000000007 visual effect Effects 0.000 title claims abstract description 14
- 241000425571 Trepanes Species 0.000 title claims description 29
- 239000000523 sample Substances 0.000 claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract 5
- 210000000078 claw Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000012800 visualization Methods 0.000 claims 8
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model discloses a ring saw system under mirror aims at providing a link up stable, location accurate, use stable, convenient to assemble's a ring saw system under mirror that is used for visual centrum to take shape. The utility model comprises a tubular saw body, the head of the tubular saw body is provided with sawteeth, the tail of the tubular saw body is provided with a handle, the tubular saw body is hollow, and the handle is provided with a through hole; the utility model discloses still include the endoscope, be provided with the fixing base that is used for fixed endoscope on the handle, the fixing base is equipped with the mounting hole including setting up the pedestal on the handle in the pedestal, be equipped with the first hole of placing of a plurality of on the inner wall of mounting hole, the first downthehole first spheroid that all is provided with of placing of a plurality of, cup joint the ball limiting sleeve on the fixing base, be equipped with the groove of stepping down on the inner wall of ball limiting sleeve, the endoscope includes the body and sets up the probe on the body, the probe penetrates the hollow part of tubulose saw body after passing mounting hole and through-hole in proper. The utility model discloses be applied to the technical field of ring saw system under the mirror.
Description
Technical Field
The utility model relates to a surgical instrument, in particular to a ring saw system under mirror.
Background
Trephine is a common surgical instrument used in percutaneous spinal surgery, and can effectively avoid or cut off bony tissues blocking the indwelling catheter. The visible working environment under the endoscope is particularly important for the operation process of the trepan, the specific situation of the operation part can be monitored in real time, and the use safety of the trepan is influenced to different degrees. In addition, safe and stable surgical tools are basic evidences for ensuring safe and effective operation process. Therefore, if a safe, efficient and visible trepan is available, the trepan is bound to have great significance for doctors and patients.
Currently, there are two main types of trephines on the market:
1. the common trepan is used under a non-mirror condition, so that an operator cannot see the use process, the risk is relatively high, and the operator needs to have rich experience to deal with various conditions in the operation process.
2. If the trepan is used under the endoscope, although an operator can observe the operation environment in the use process, the trepan is suitable for the endoscope, the trepan has a thin wall, the phenomena of distortion, deformation or sawtooth damage and the like are easy to occur in the use process, and the risk of the operation is increased. In addition, the saw teeth of the ring saw have small relative contact area and low efficiency. Meanwhile, the trepan also has the defects of unstable connection, excessive extension and the like between the trepan and the endoscope, and the problems that the endoscope lens is damaged by polishing residues, the visual field of the endoscope shakes in the polishing process and the like are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide a link up stable, location accurate, use stable, convenient to assemble's a ring saw system under mirror for visual centrum takes shape.
The utility model adopts the technical proposal that: the utility model comprises a tubular saw body, the head of the tubular saw body is provided with sawteeth, the tail of the tubular saw body is provided with a handle, the tubular saw body is hollow, the handle is provided with a through hole, a sleeve is arranged in the through hole, the handle and the sleeve are nested through the through hole, and the tail of the tubular saw body is nested with the through hole; the under-mirror ring saw system for visible vertebral body forming further comprises an endoscope, wherein a fixed seat used for fixing the endoscope is arranged on the handle, the fixed seat comprises a seat body arranged on the handle, a mounting hole is formed in the seat body, a plurality of first placing holes are formed in the inner wall of the mounting hole, a first ball body is arranged in each of the first placing holes, a ball limiting sleeve is sleeved on the seat body, a stepping groove is formed in the inner wall of the ball limiting sleeve, the endoscope comprises a body and a probe arranged on the body, the probe sequentially penetrates through the mounting hole and the hollow part of the tubular saw body, one side of the first ball body falls into a bayonet of the body, and the other side of the first ball body abuts against the inner wall of the ball limiting sleeve, so that the endoscope is locked; when the ball limiting sleeve is pressed down, the first ball body has a space moving up and down, so that the endoscope is unlocked.
Furthermore, the outermost end of the base body is fixedly sleeved with a ball limiting sleeve check ring, a pressure spring is arranged between the ball limiting sleeve and the base body, the ball limiting sleeve is arranged under the thrust action of the pressure spring, and the abdicating groove of the ball limiting sleeve is sleeved on the ball limiting sleeve check ring.
Furthermore, a limited ball sleeve cover ring is sleeved on the limited ball sleeve, one end of the pressure spring is positioned between the limited ball sleeve and the limited ball sleeve cover ring, and the other end of the pressure spring is propped against the flange of the base body.
Further, the under-mirror trepan system for visual vertebral body forming further comprises an axial connecting structure, the axial connecting structure comprises a pull-out outer sleeve which is fixedly sleeved on the flange, the ball limiting sleeve and the ball limiting sleeve cover ring are both positioned between the pull-out outer sleeve and the base body, a trigger seat is arranged on the outer side of the pull-out outer sleeve, a trigger is hinged to the trigger seat, the middle position of the trigger is hinged to the trigger seat, a reset spring is arranged between the front end of the trigger and the pull-out outer sleeve, and a clamping jaw is arranged at the rear end of the trigger; a pull-out inner ring is fixedly arranged on the handle and comprises an axial limiting ring and a guide ring arranged on the periphery of the axial limiting ring, the axial limiting ring is fixedly arranged on the handle, and a guide groove matched with the guide ring is formed in the pull-out outer sleeve; when the endoscope is axially positioned, the claw of the trigger is clamped on the axial limiting ring.
Further, the circle center of the inner circle of the axial limiting ring is not overlapped with the circle center of the outer circle of the axial limiting ring.
Furthermore, a sleeve is arranged in the through hole, the tail part of the sleeve extends out of the through hole, and the axial limiting ring is movably sleeved at the tail part of the sleeve in the radial direction; the tail of the tubular saw body is provided with a plurality of positioning grooves, the tail of the sleeve is provided with a pin hole matched with the positioning grooves, pins are arranged in the pin hole and penetrate through the pin hole to be inserted into the positioning grooves, and therefore the tail of the tubular saw body is radially fixed in the sleeve.
Furthermore, the outer wall of the sleeve is in threaded connection with a locking spiral ring, the outer wall of the sleeve is also sleeved with a shifting ring, and the shifting ring is connected with the locking spiral ring.
Further, a plurality of second placing holes are formed in the sleeve, second balls are arranged in the second placing holes, the tail of the tubular saw body is radially fixed in the sleeve, one side of each second ball falls into a bayonet on the outer wall of the tubular saw body, and the other side of each second ball abuts against the inner wall of the shifting ring.
Further, the handle includes the bottom plate and sets up the peripheral annular of bottom plate encloses, the convex part on the lateral surface of annular circle, be equipped with the tangent plane on the convex part.
The utility model has the advantages that: because the utility model discloses a tubulose saw body, the one end of the tubulose saw body is equipped with the sawtooth, the other end of the tubulose saw body is provided with the handle, establish to cavity at the middle part of the tubulose saw body, be equipped with the through-hole on the handle, be provided with the cover in the through-hole, the handle with the cover passes through the through-hole is nested, the afterbody of the tubulose saw body with the through-hole is nested, visual trepan still includes the endoscope under the mirror, the probe of endoscope by on the handle the through-hole penetrates the tubulose saw body the hollow part will be observed the scope and arrange in the middle part of the tubulose saw body, arrange operating environment in under the visual condition.
Meanwhile, the clamping design of the endoscope solves the problem that the under-mirror ring saw and the endoscope are not stably connected and can not be fixed; the design of adjusting the axial position of the endoscope solves the problem that the endoscope is excessively stretched in the trepan; due to the unlimited angle rotation design of the trepan, the problem of view shaking caused by unstable connection of the endoscope in the using process of the trepan is solved; the comfortable round handle design solves the problem that the trepan assembled with the endoscope is inconvenient to use.
The utility model discloses more consider the matching problem of trepan and endoscope, make both firm in connection, operation safety uses the utility model discloses a can provide operation efficiency greatly behind the scheme. Simultaneously the utility model discloses can adopt ordinary trepan, needn't use special thin wall trepan, can keep its efficient effect, and the trepan is more stable, non-deformable and damage.
Drawings
FIG. 1 is a schematic overall structural view of the visual vertebroplasty endoscopic trepan system without the endoscope installed;
FIG. 2 is a schematic diagram of the overall construction of the visual vertebroplasty endoscopic trepan system;
FIG. 3 is a cross-sectional view of the visual vertebroplasty endoscopic trepan system;
FIG. 4 is a schematic view of the installation of the endoscope;
FIG. 5 is a front view of the pull-out inner ring;
FIG. 6 is a perspective view of the pull-out inner ring;
fig. 7 is a perspective view of the handle.
Detailed Description
As shown in fig. 1 to 4, in this embodiment, the present invention includes a tubular saw body 1, the head of the tubular saw body 1 is provided with saw teeth 2, the tail of the tubular saw body 1 is provided with a handle 3, the tubular saw body 1 is hollow, the handle 3 is provided with a through hole 4, the through hole 4 is provided with a sleeve 23, the handle 3 and the sleeve 23 are nested through the through hole 4, and the tail of the tubular saw body 1 is nested with the through hole 4; the under-mirror ring saw system for visible vertebral body forming further comprises an endoscope 5, a fixing seat 6 used for fixing the endoscope 5 is arranged on the handle 3, the fixing seat 6 comprises a seat body 7 arranged on the handle 3, a mounting hole 8 is arranged in the seat body 7, a plurality of first placing holes are formed in the inner wall of the mounting hole 8, a plurality of first balls 9 are arranged in the first placing holes, a limited ball sleeve 10 is sleeved on the seat body 7, a yielding groove is formed in the inner wall of the limited ball sleeve 10, the endoscope 5 comprises a body 11 and a probe 12 arranged on the body 11, the probe 12 sequentially penetrates through the mounting hole (8) and the hollow part of the tubular saw body 1, one side of the first ball 9 falls into the bayonet of the body 11, the other side of the first ball 9 abuts against the inner wall of the limited ball sleeve 10, thereby locking the endoscope 5; when the ball limiting sleeve 10 is pressed down, the first ball 9 has a space moving up and down, so that the endoscope 5 is unlocked.
In this embodiment, the outermost end of the base body 7 is fixedly sleeved with a ball limiting sleeve retainer ring 13, the ball limiting sleeve 10 is provided with a pressure spring 14 between the base body 7, the ball limiting sleeve 10 is under the thrust action of the pressure spring 14, and a yielding groove of the ball limiting sleeve 10 is sleeved on the ball limiting sleeve retainer ring 13.
In this embodiment, the ball limiting sleeve 10 is further sleeved with a ball limiting sleeve cover ring 15, one end of the pressure spring 14 is located between the ball limiting sleeve 10 and the ball limiting sleeve cover ring 15, and the other end of the pressure spring 14 abuts against the flange 16 of the seat body 7.
As shown in fig. 5 and 6, in this embodiment, the under-mirror trepan system for visible vertebroplasty further includes an axial connection structure, the axial connection structure includes a pull-out outer sleeve 17 fixed to the flange 16 in a sleeved manner, the ball-limiting sleeve 10 and the ball-limiting sleeve cover ring 15 are both located between the pull-out outer sleeve 17 and the base body 7, a trigger base 18 is disposed on an outer side of the pull-out outer sleeve 17, a trigger 19 is hinged to the trigger base 18, a middle position of the trigger 19 is hinged to the trigger base 18, a return spring 30 is disposed between a front end of the trigger 19 and the pull-out outer sleeve 17, and a claw 31 is disposed at a rear end of the trigger 19; a pull-out inner ring 20 is fixedly arranged on the handle 3, the pull-out inner ring 20 comprises an axial limiting ring 21 and a guide ring 22 arranged on the periphery of the axial limiting ring 21, the axial limiting ring 21 is fixedly arranged on the handle 3, and the pull-out outer sleeve 17 is provided with a guide groove matched with the guide ring 22; when the endoscope 5 is positioned axially, the claw 31 of the trigger 19 is clamped on the axial limiting ring 21.
In this embodiment, the center of the inner circle of the axial limiting ring 21 does not overlap with the center of the outer circle of the axial limiting ring 21. The axial limiting ring 21 is specially designed into an eccentric structure, so that the ring saw can rotate without angle limitation under the condition of relatively fixing the endoscope; the inner diameter of the axial limiting ring 21 is designed to be the minimum diameter of a circle which is suitable for the endoscope to pass through in the axial direction, so that the endoscope can conveniently pass through without obstruction.
In this embodiment, a sleeve 23 is arranged in the through hole 4, the tail of the sleeve 23 extends out of the through hole 4, and the axial limiting ring (21) is radially movably sleeved at the tail of the sleeve 23; the tail of the tubular saw body 1 is provided with a plurality of positioning grooves, the tail of the sleeve 23 is provided with pin holes matched with the positioning grooves, pins 33 are arranged in the pin holes, and the pins 33 penetrate through the pin holes and then are inserted into the positioning grooves, so that the tail of the tubular saw body 1 is radially fixed in the sleeve 23.
In this embodiment, the outer wall of the sleeve 23 is connected with a locking coil 24 through a thread, the outer wall of the sleeve 23 is further sleeved with a shifting ring 25, and the shifting ring 25 is connected with the locking coil 24.
In this embodiment, the sleeve 23 is provided with a plurality of second placing holes, a second ball 26 is disposed in the second placing hole, when the tail of the tubular saw body 1 is radially fixed in the sleeve 23, one side of the second ball 26 falls into the bayonet on the outer wall of the tubular saw body 1, and the other side of the second ball 26 abuts against the inner wall of the dial ring 25.
In this embodiment, the first ball 9 and the second ball 26 are steel balls.
As shown in fig. 7, in the present embodiment, the handle 3 includes a bottom plate 31 and an annular ring 27 disposed on the periphery of the bottom plate 31, a convex portion 28 is disposed on the outer side surface of the annular ring 27, and a cut surface 29 is disposed on the convex portion 28. The circular handle design solves the problem that a trepan provided with an endoscope is inconvenient to use.
The utility model discloses be applied to the technical field of ring saw system under the mirror.
While the embodiments of the present invention have been described in terms of practical embodiments, they are not intended to limit the scope of the invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.
Claims (9)
1. An under-mirror trepan system for visual vertebroplasty, characterized in that: the under-mirror annular saw system for visual vertebral body forming comprises a tubular saw body (1), sawteeth (2) are arranged at the head of the tubular saw body (1), a handle (3) is arranged at the tail of the tubular saw body (1), the tubular saw body (1) is hollow, a through hole (4) is formed in the handle (3), a sleeve (23) is arranged in the through hole (4), the handle (3) and the sleeve (23) are nested through the through hole (4), and the tail of the tubular saw body (1) is nested with the through hole (4); the under-mirror ring saw system for visible vertebral body forming further comprises an endoscope (5), wherein a fixing seat (6) used for fixing the endoscope (5) is arranged on the handle (3), the fixing seat (6) comprises a seat body (7) arranged on the handle (3), a mounting hole (8) is formed in the seat body (7), a plurality of first placing holes are formed in the inner wall of the mounting hole (8), a plurality of first balls (9) are arranged in the first placing holes, a limited ball sleeve (10) is sleeved on the seat body (7), a abdicating groove is formed in the inner wall of the limited ball sleeve (10), the endoscope (5) comprises a body (11) and a probe (12) arranged on the body (11), the probe (12) sequentially penetrates through the mounting hole (8) and the hollow part of the tubular saw body (1), one side of the first ball (9) falls into a bayonet of the body (11), the other side of the first sphere (9) is pressed against the inner wall of the sphere limiting sleeve (10) so as to lock the endoscope (5); when the ball limiting sleeve (10) is pressed down, the first ball body (9) has a space moving up and down, so that the endoscope (5) is unlocked.
2. An endoscopic trephine system for visualization of vertebral bodies according to claim 1, wherein: the outer end of pedestal (7) is fixed to be cup jointed limited ball cover retaining ring (13), limited ball cover (10) with be provided with pressure spring (14) between pedestal (7), limited ball cover (10) are in under the thrust effect of pressure spring (14), the groove of stepping down of limited ball cover (10) cup joints on limited ball cover retaining ring (13).
3. An endoscopic trephine system for visualization of vertebral bodies according to claim 2, wherein: the ball limiting sleeve (10) is further sleeved with a ball limiting sleeve cover ring (15), one end of the pressure spring (14) is located between the ball limiting sleeve (10) and the ball limiting sleeve cover ring (15), and the other end of the pressure spring (14) is pressed against the flange (16) of the base body (7).
4. An endoscopic trephine system for visualization of vertebral body formation according to claim 3, wherein: the under-mirror trepan system for visual vertebroplasty further comprises an axial connection structure, the axial connection structure comprises a pull-out outer sleeve (17) which is fixedly sleeved on the flange (16), the ball limiting sleeve (10) and the ball limiting sleeve cover ring (15) are both positioned between the pull-out outer sleeve (17) and the base body (7), a trigger base (18) is arranged on the outer side of the pull-out outer sleeve (17), a trigger (19) is hinged on the trigger base (18), the middle position of the trigger (19) is hinged with the trigger base (18), a reset spring (30) is arranged between the front end of the trigger (19) and the pull-out outer sleeve (17), and a clamping jaw (31) is arranged at the rear end of the trigger (19); a pull-out inner ring (20) is fixedly arranged on the handle (3), the pull-out inner ring (20) comprises an axial limiting ring (21) and a guide ring (22) arranged on the periphery of the axial limiting ring (21), the axial limiting ring (21) is fixedly arranged on the handle (3), and a guide groove matched with the guide ring (22) is formed in the pull-out outer sleeve (17); when the endoscope (5) is axially positioned, the claw (31) of the trigger (19) is clamped on the axial limiting ring (21).
5. An endoscopic trephine system for visualization of vertebral bodies according to claim 4, wherein: the circle center of the inner circle of the axial limiting ring (21) is not overlapped with the circle center of the outer circle of the axial limiting ring (21).
6. An endoscopic trephine system for visualization of vertebral bodies according to claim 4, wherein: the tail part of the sleeve (23) extends out of the through hole (4), and the axial limiting ring (21) is movably sleeved at the tail part of the sleeve (23) in the radial direction; the tail of the tubular saw body (1) is provided with a plurality of positioning grooves, the tail of the sleeve (23) is provided with pin holes matched with the positioning grooves, pins (33) are arranged in the pin holes, and the pins (33) penetrate through the pin holes and then are inserted into the positioning grooves, so that the tail of the tubular saw body (1) is radially fixed in the sleeve (23).
7. An endoscopic trephine system for visualization of vertebral bodies according to claim 5, wherein: the outer wall of the sleeve (23) is in threaded connection with a locking spiral ring (24), the outer wall of the sleeve (23) is further sleeved with a shifting ring (25), and the shifting ring (25) is connected with the locking spiral ring (24).
8. An endoscopic trephine system for visualization of vertebral bodies according to claim 7, wherein: the sleeve (23) is provided with a plurality of second placing holes, a second ball body (26) is arranged in each second placing hole, the tail of the tubular saw body (1) is radially fixed in the sleeve (23), one side of the second ball body (26) falls into a bayonet on the outer wall of the tubular saw body (1), and the other side of the second ball body (26) abuts against the inner wall of the shifting ring (25).
9. An endoscopic trephine system for visualization of vertebral body shaping according to any of claims 1 to 8, wherein: the handle (3) comprises a bottom plate (32) and an annular ring (27) arranged on the periphery of the bottom plate (32), a convex part (28) is arranged on the outer side surface of the annular ring (27), and a tangent plane (29) is arranged on the convex part (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417215.1U CN210185642U (en) | 2019-03-29 | 2019-03-29 | Under-mirror trepan system for visual vertebroplasty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417215.1U CN210185642U (en) | 2019-03-29 | 2019-03-29 | Under-mirror trepan system for visual vertebroplasty |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210185642U true CN210185642U (en) | 2020-03-27 |
Family
ID=69877586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920417215.1U Withdrawn - After Issue CN210185642U (en) | 2019-03-29 | 2019-03-29 | Under-mirror trepan system for visual vertebroplasty |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210185642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846526A (en) * | 2019-03-29 | 2019-06-07 | 珠海维尔康生物科技有限公司 | For trepan system under the mirror of visual vertebral plasty |
-
2019
- 2019-03-29 CN CN201920417215.1U patent/CN210185642U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846526A (en) * | 2019-03-29 | 2019-06-07 | 珠海维尔康生物科技有限公司 | For trepan system under the mirror of visual vertebral plasty |
| CN109846526B (en) * | 2019-03-29 | 2024-01-19 | 珠海维尔康生物科技有限公司 | Under-lens trepan system for visual vertebroplasty |
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Granted publication date: 20200327 Effective date of abandoning: 20240119 |