CN207666647U - A kind of trepan of band limitation positioning - Google Patents
A kind of trepan of band limitation positioning Download PDFInfo
- Publication number
- CN207666647U CN207666647U CN201720455194.3U CN201720455194U CN207666647U CN 207666647 U CN207666647 U CN 207666647U CN 201720455194 U CN201720455194 U CN 201720455194U CN 207666647 U CN207666647 U CN 207666647U
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- CN
- China
- Prior art keywords
- seat
- saw
- cover
- trepan
- rod
- 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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Links
- 241000425571 Trepanes Species 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 239000011324 bead Substances 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 241000405070 Percophidae Species 0.000 claims description 3
- 210000004872 soft tissue Anatomy 0.000 description 6
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000000944 nerve tissue Anatomy 0.000 description 2
- 230000001537 neural effect Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 208000003618 Intervertebral Disc Displacement Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
A kind of trepan of band limitation positioning disclosed by the utility model, housing are connected in cover for seat, and pearl seat is located in housing, there is gap between pearl seat and cover for seat, be equipped with compression spring in gap, one end of compression spring resists cover for seat, the other end resists pearl seat, and pearl seat is equipped with annular protrusion, and annular protrusion is located in gap；Bead sleeve is located in pearl seat, and bead sleeve is that can accommodate the circular sleeve that screw rod one end penetrates, and the side wall of bead sleeve is equipped with multiple first through hole, is equipped with the first steel ball in first through hole, the first steel ball can offset with annular protrusion；Saw set is connected in cover for seat, and saw rod is located in saw set, and the length of saw rod is more than the length of saw set；Screw rod one end is connected on saw handle, and the other end penetrates bead sleeve, and is connect with saw rod, and screw flight can offset with the first steel ball.A kind of trepan of band limitation positioning disclosed by the utility model, when use can stuck saw rod, and when preventing operation accident phenomenon generation, improve the success rate of operation.
Description
Technical field
The utility model is related to medical instruments field more particularly to a kind of trepans of band limitation positioning.
Background technology
When treating the protrusion of the intervertebral disc, in the case of Disc herniation, in order to make service aisle arrive safe and sound intervertebral
Disk needs the partial enlargement intervertebral foramen for removing the sclerotin and part upper joint protrusion of Minor articulus distal end hyperplasia using trepan rotation,
Achieve the purpose that treat the protrusion of the intervertebral disc.Without effective detent mechanism, when use, is easy to happen because exerting oneself traditional trepan
Degree or trepan unexpected phenomenon, the success rate of operation caused by falling off are to be improved.
Utility model content
The utility model in view of the deficiencies of the prior art, provides a kind of trepan of band limitation positioning.
The utility model is realized by following technological means solves above-mentioned technical problem：
A kind of trepan of band limitation positioning, including：Saw handle, housing, cover for seat, pearl seat, bead sleeve, saw set, saw rod and screw rod；
The housing is connected in cover for seat, and the pearl seat is located in housing, has gap, institute between the pearl seat and cover for seat
It states and is equipped with compression spring in gap, one end of the compression spring resists cover for seat, and the other end resists pearl seat, and the pearl seat is equipped with convex annular
It rises, the annular protrusion is located in the gap；
The bead sleeve is located in pearl seat, and the bead sleeve is that can accommodate the circular sleeve that screw rod one end penetrates, the bead sleeve
Side wall is equipped with multiple first through hole, is equipped with the first steel ball in the first through hole, first steel ball can be with the convex annular
It rises and offsets；
The saw set is connected in cover for seat, and the saw rod is located in saw set, and the length of the saw rod is more than the saw
The length of set；
Described screw rod one end is connected on the saw handle, and the other end penetrates the bead sleeve, and is connect with the saw rod, and institute
Stating screw flight can offset with first steel ball.
Further, the side wall of the housing is equipped with straight slot, is equipped in the straight slot and cuts handle, it is described cut handle one end with
The pearl seat connection.
Further, the cover for seat is connected with positioning sleeve away from housing side, and rotation is equipped between the positioning sleeve and cover for seat
Button.
Further, the side wall of the pearl seat is equipped with multiple second through-holes, and second through-hole is connected to the gap,
The second steel ball is equipped in second through-hole, second steel ball is compared with the first steel ball close to the cover for seat；The bead sleeve outer wall is set
Have and the matched arcuate projections of the second steel ball shape.
Further, the cover for seat is equipped with handle.
Further, the saw rod is equipped with circular saw far from screw rod one end.
Further, the saw set is equipped with baffle far from cover for seat, and the baffle is in Duckbill type.
Further, the saw set is provided along its length scale.
Compared with prior art, the implementation result of the utility model is as follows：
Lower compression bead seat, pearl seat compression compression spring, the upper annular protrusion of pearl seat are detached with the first steel ball, and the first steel ball returns to bead sleeve
Interior, manual compression handle, screw rod drives saw rod to be moved along saw set.When saw rod moves to affected part, pearl seat is unclamped, compression spring drives pearl
Seat resets, and the annular protrusion on pearl seat will push the first steel ball, and the first steel ball offsets with screw flight, thus firmly by saw rod
Ground is stuck.Saw rod can be limited by this design, enables saw rod into accurate against affected part, prevent doctor because exerting oneself
Unexpected injury caused by degree or trepan fall off.
Under natural conditions, compression spring acts on pearl seat, the screw thread of the first steel ball card driving screw so that saw rod can be received completely
It receives to saw set.After use, without saw rod is unloaded, carry and is used more conveniently.
During use, saw set can keep apart saw rod and the neural and soft tissue in human body, to prevent nerve
It is accidentally injured by saw rod with soft tissue, improves the safety of operation, prevented the generation of the unexpected phenomenon of operation.
Description of the drawings
Fig. 1 be the utility model proposes a kind of band limitation positioning trepan structural schematic diagram.
Fig. 2 be the utility model proposes a kind of limitation positioning of band trepan cover for seat where part structural schematic diagram.
Fig. 3 be the utility model proposes a kind of band limitation positioning trepan saw set where part structural schematic diagram.
Specific implementation mode
Illustrate the content of the utility model below in conjunction with specific embodiments.
As depicted in figs. 1 and 2, a kind of trepan of band limitation positioning, including：Saw handle, housing, cover for seat, pearl seat, bead sleeve, saw
Set, saw rod and screw rod；
The housing 2 is connected in cover for seat 1, and the pearl seat 3 is located in housing 2, is had between the pearl seat 3 and cover for seat 1
Gap, is equipped with compression spring 4 in the gap, and one end of the compression spring 4 resists 1 set of seat, and the other end resists pearl seat 3, on the pearl 3
Equipped with annular protrusion, the annular protrusion is located in the gap；
The bead sleeve 5 is located in pearl seat 3, and the bead sleeve 5 is that can accommodate the circular sleeve that screw rod one end penetrates, the bead sleeve
5 side wall is equipped with multiple first through hole, is equipped with the first steel ball 6 in the first through hole, first steel ball 6 can be with the ring
Shape protrusion offsets；
The saw set 7 is connected in cover for seat 1, and the saw rod 8 is located in saw set 7, and the length of the saw rod 8 is more than institute
State the length of saw set 7；
9 one end of the screw rod is connected on the saw handle 10, and the other end penetrates the bead sleeve 5, and connects with the saw rod 8
It connects, and the screw thread of the screw rod 9 can offset with first steel ball 6.
In said program, lower compression bead seat 3, pearl seat 3 compresses compression spring 4, and annular protrusion is detached with the first steel ball 6 on pearl seat 3, the
One steel ball 6 returns in bead sleeve 5, manual compression handle 10, and screw rod 9 drives saw rod 8 to be moved along saw set 7.When saw rod 8 moves to trouble
When place, pearl seat 3 is unclamped, compression spring 4 drives pearl seat 3 to reset, and the annular protrusion on pearl seat 3 will push the first steel ball 6, the first steel ball 6
It offsets with the screw thread of screw rod 9, to which saw rod 8 is firmly stuck.Saw rod 8 can be limited by this design, makes saw rod
Doctor's unexpected injury caused by overexertion or trepan fall off can be prevented into accurate against affected part.
Under natural conditions, compression spring 4 acts on pearl seat 3, the screw thread of 6 card driving screw 9 of the first steel ball so that saw rod 8 can be by
Completely in storage to saw set 7.After use, without saw rod 8 is unloaded, carry and is used more conveniently.
During use, saw set 7 can keep apart saw rod 8 and the neural and soft tissue in human body, to prevent god
Through being accidentally injured by saw rod 8 with soft tissue, the safety of operation is improved, the generation of the unexpected phenomenon of operation has been prevented.
To enable a physician to preferably descend compression bead seat 3, the side wall of the housing 2 to be equipped with straight slot, worn in the straight slot
Handle 11 is cut, described 11 one end of handle of cutting is connect with pearl seat 3.Handle is cut in use, pushing, handle 11 is cut and is transported downwards with respect to housing 2
It is dynamic, it cuts handle and pearl seat 3 is driven to move during the motion.
Saw set 8 can in the course of surgery position affected part, and to improve locating effect, the cover for seat 1 deviates from housing
Side is connected with positioning sleeve 12, and knob 13 is equipped between the positioning sleeve 12 and cover for seat 1.In surgical procedure can turn knobs 13,
The rotation of knob 13 drives 8 rotation of saw set.
The side wall of the pearl seat 3 is equipped with multiple second through-holes, and second through-hole is connected to the gap, and described second
The second steel ball 14 is equipped in through-hole, second steel ball 14 is compared with the first steel ball 6 close to the cover for seat 1；5 outer wall of the bead sleeve is equipped with
With the matched arcuate projections of 14 shape of the second steel ball.Second steel ball 14 acts on identical, the two energy with the first steel ball 6
It is enough to cooperate, the locating effect to screw rod is improved, to enable saw rod 8 by more stuck securely.
For convenience of operation, handle 15 is additionally provided in the cover for seat 1.
In the embodiment having, the saw rod 8 is equipped with circular saw 16 far from screw rod one end, when rotary-cut, can prevent from sawing
Bar 8 damages nerve or soft tissue.
The saw set 7 is equipped with baffle 17 far from cover for seat 1, and the baffle 17 is in Duckbill type, while playing locating effect,
It can prevent from damaging nerve or soft tissue.
As shown in figure 3, saw set 7 is provided along its length scale 18, when operation, can be by scale 18 intuitively
See the location of the trepan, helps to improve the success rate of operation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (8)
1. a kind of trepan of band limitation positioning, which is characterized in that including：Saw handle, housing, cover for seat, pearl seat, bead sleeve, saw set, saw rod
And screw rod；
The housing is connected in cover for seat, and the pearl seat is located in housing, has gap between the pearl seat and cover for seat, between described
Compression spring is equipped in gap, one end of the compression spring resists cover for seat, and the other end resists pearl seat, and the pearl seat is equipped with annular protrusion, institute
Annular protrusion is stated to be located in the gap；
The bead sleeve is located in pearl seat, and the bead sleeve is that can accommodate the circular sleeve that screw rod one end penetrates, the side wall of the bead sleeve
Multiple first through hole are equipped with, are equipped with the first steel ball in the first through hole, first steel ball can be with the annular protrusion phase
It supports；
The saw set is connected in cover for seat, and the saw rod is located in saw set, and the length of the saw rod is more than the saw set
Length；
Described screw rod one end is connected on the saw handle, and the other end penetrates the bead sleeve, and is connect with the saw rod, and the spiral shell
The screw thread of bar can offset with first steel ball.
2. a kind of trepan of band limitation positioning according to claim 1, which is characterized in that the side wall of the housing is equipped with
Straight slot is equipped in the straight slot and cuts handle, and described handle one end of cutting is connect with pearl seat.
3. a kind of trepan of band limitation positioning according to claim 1, which is characterized in that the cover for seat deviates from housing side
It is connected with positioning sleeve, knob is equipped between the positioning sleeve and cover for seat.
4. a kind of trepan of band limitation positioning according to claim 1, which is characterized in that the side wall of the pearl seat is equipped with
Multiple second through-holes, second through-hole are connected to the gap, and the second steel ball, second steel are equipped in second through-hole
Pearl is compared with the first steel ball close to the cover for seat；The bead sleeve outer wall is equipped with and the matched arcuate projections of the second steel ball shape.
5. a kind of trepan of band limitation positioning according to claim 1, which is characterized in that the cover for seat is equipped with handle.
6. a kind of trepan of band limitation positioning according to claim 1, which is characterized in that the saw rod is far from screw rod one end
Equipped with circular saw.
7. a kind of trepan of band limitation positioning according to claim 1, which is characterized in that set in the separate cover for seat of saw set
It is in Duckbill type to have baffle, the baffle.
8. a kind of trepan of band limitation positioning according to claim 1, which is characterized in that the saw set is along its length
Equipped with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455194.3U CN207666647U (en) | 2017-04-27 | 2017-04-27 | A kind of trepan of band limitation positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455194.3U CN207666647U (en) | 2017-04-27 | 2017-04-27 | A kind of trepan of band limitation positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207666647U true CN207666647U (en) | 2018-07-31 |
Family
ID=62953513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720455194.3U Active CN207666647U (en) | 2017-04-27 | 2017-04-27 | A kind of trepan of band limitation positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207666647U (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 |
-
2017
- 2017-04-27 CN CN201720455194.3U patent/CN207666647U/en active Active
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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240415 Address after: Room 502, No. 15, Lane 506, Jianguo West Road, Xuhui District, Shanghai, 200030 Patentee after: Chen Wei Country or region after: China Address before: 219 Xiacheng Road, Tonglu County, Hangzhou, Zhejiang 311500 Patentee before: HANGZHOU AIDU MEDICAL TECHNOLOGY CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240429 Address after: Room 516, No. 500 Yunjin Road, Xuhui District, Shanghai, 200030 Patentee after: Shanghai Aidu Medical Equipment Technology Co.,Ltd. Country or region after: China Address before: Room 502, No. 15, Lane 506, Jianguo West Road, Xuhui District, Shanghai, 200030 Patentee before: Chen Wei Country or region before: China |
|
| TR01 | Transfer of patent right |