CN107007321A - Inhale bone tool - Google Patents
Inhale bone tool Download PDFInfo
- Publication number
- CN107007321A CN107007321A CN201710301303.0A CN201710301303A CN107007321A CN 107007321 A CN107007321 A CN 107007321A CN 201710301303 A CN201710301303 A CN 201710301303A CN 107007321 A CN107007321 A CN 107007321A
- Authority
- CN
- China
- Prior art keywords
- outer tube
- elastic
- inner tube
- bone
- soft rubber
- 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
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 71
- 229920001971 elastomer Polymers 0.000 claims abstract description 32
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229920001195 polyisoprene Polymers 0.000 claims abstract description 27
- 210000005036 nerve Anatomy 0.000 abstract description 11
- 206010020718 hyperplasia Diseases 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 208000001308 Fasciculation Diseases 0.000 description 5
- 206010028293 Muscle contractions involuntary Diseases 0.000 description 5
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 229940036811 bone meal Drugs 0.000 description 2
- 239000002374 bone meal Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000003618 Intervertebral Disc Displacement Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1628—Motors; Power supplies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1635—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00836—Material properties corrosion-resistant
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00862—Material properties elastic or resilient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B2017/1602—Mills
Abstract
Bone tool is inhaled this application discloses one kind, including the second outer tube, insert second outer tube and the elastic caoutchouc inner tube along the second outer tube axis slidably, the outer wall of the elastic caoutchouc inner tube is held in the inwall of second outer tube, one end end face of the elastic caoutchouc inner tube is soft rubber circle, the elastic caoutchouc inner tube, which is located in one end of the soft rubber circle, is implanted with many elastic wires arranged side by side, the elastic wire is parallel to the second outer tube axial line, one end that the elastic wire is located at the soft rubber circle deviates from the second outer tube axial line deviation, the elastic caoutchouc inner tube is connected with the second air extractor away from one end of the soft rubber circle.The advantage of the invention is that mill bone tool can be ground off into the bone shell after hyperplasia vertebra toward post-tensioning, it is unlikely to so that bone shell continues to oppress nerve.
Description
Technical field
The application is related to a kind of medicine equipment, more particularly to a kind of to inhale bone tool.
Background technology
After vertebra is ground off, due to can not worn out vertebra, be otherwise likely to result in danger, but after mill bone tool grinds off vertebra
Bone shell often still oppresses nerve.
The content of the invention
Bone tool is inhaled it is an object of the invention to provide one kind, mill bone tool the bone shell after vertebra can be ground off toward post-tensioning, no
Nerve is oppressed as causing bone shell to continue.
To achieve the above object, the present invention provides following technical scheme：
The embodiment of the present application, which discloses a kind of bone of inhaling, to be had, including the second outer tube, inserts second outer tube and edge
The elastic caoutchouc inner tube of the second outer tube axis slidably, the outer wall of the elastic caoutchouc inner tube is held in outside described second
The inwall of pipe, one end end face of the elastic caoutchouc inner tube is soft rubber circle, and the elastic caoutchouc inner tube is located at described soft
Many elastic wires arranged side by side are implanted with one end of rubber ring, the elastic wire is parallel to the second outer tube axial line, institute
State elastic wire and deviate from the second outer tube axial line deviation, the elastic caoutchouc inner tube positioned at one end of the soft rubber circle
One end away from the soft rubber circle is connected with the second air extractor.
It is preferred that, in above-mentioned suction bone tool, the elastic wire quantity is 10-15 roots.
It is preferred that, in above-mentioned suction bone tool, the elastic wire quantity is 12.
It is preferred that, in above-mentioned suction bone tool, a diameter of 4-5mm of second outer tube.
It is preferred that, in above-mentioned suction bone tool, a diameter of 3-4mm of the elastic caoutchouc inner tube.
It is preferred that, in above-mentioned suction bone tool, flexible a diameter of 3-9mm of the soft rubber circle.
Compared with prior art, the advantage of the invention is that：
Second outer tube is inserted by elastic caoutchouc inner tube, soft rubber circle is in the second outer tube due to being held in second
Outer tube, it is impossible to open, elastic caoutchouc inner tube releases soft rubber circle after the second outer tube, due to depositing for interplantation elastic wire
Soft rubber circle is being scattered expansion automatically, it is relevant with stretching length to expand size, controlling soft rubber according to actual needs
The size expanded is enclosed, bone shell is then touched, is inhaled bone shell backward by air extractor until bone shell is not in compressing cervical vertebra nerve.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 show the structural representation that bone tool is ground in the specific embodiment of the invention；
Fig. 2 show the structural representation that spicule is ground in the specific embodiment of the invention；
Fig. 3 show the structural representation that bone tool is inhaled in the specific embodiment of the invention；
Fig. 4 show the minimally invasive device structure signal of free switching mill bone tool and suction bone tool in the specific embodiment of the invention
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, detailed retouch is carried out to the technical scheme in the embodiment of the present invention
State, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
With reference to shown in Fig. 1-2, mill bone tool 100, including the first outer tube 110, magnetcisuspension suspension motor, the end face of the first outer tube 110
A branch of mouth 130 is offered at axle center, in addition to ties up at the internal axis of the first outer tube 110 many elasticity mill bones of fasciculation
Pin 120, every elasticity mill spicule 120 extends to the outside of beam mouthful 130 and away from the axial line deviation of the first outer tube 110, fasciculation
Many elasticity mill spicules 120 tightened up at beam mouthfuls 130, every elasticity mill spicule 120 is slidably in the first outer tube 110
Portion, magnetcisuspension suspension motor driving elasticity mill spicule 120 shakes.
Fasciculation is tied up by the way that many elasticity are ground into spicule, in the first outer tube, due to the presence of beam mouthful, elasticity mill
Spicule keeps axially in parallel with the first outer tube, when real work, and elasticity mill spicule is released from beam mouthful position, due to elasticity mill
Spicule is flexible in itself and to away from the axial deviation of the first outer tube, so elasticity mill spicule can be expanded outwardly automatically, due to
Every elasticity mill spicule slidably, can thus realize that one end of elasticity mill spicule mill bone constitutes diversified shape
Shape realizes the mill bone for different hyperplasia vertebras, and magnetcisuspension suspension motor driving elasticity mill spicule can be reachable with the vibrations frequency per minute
30000 times or so, effectively grind off hyperplasia vertebra.
Further, elasticity mill spicule 120 material is hard alloy.
Elasticity mill spicule uses hard alloy, with hardness is high, wear-resisting, intensity and toughness preferable, heat-resisting, corrosion-resistant etc. one
Serial premium properties.
Further, its outside elasticity mill spicule 120 of the deviation angle of many elasticity mill spicules 120 of fasciculation is more than
Its internal elasticity mill spicule 120.
The angle of its outside deviation is big, and can be ground in pencil can preferably outside divergence, formation when spicule integrally stretches out
Mill spicule deviation inside diversified shape, pencil is minimum, almost without deviation.
Further, the end face that elasticity mill spicule 120 is located at outside the first outer tube 110 is parabola or sphere 121.
Hyperplasia vertebra can more preferably be ground off using parabola or sphere.
Further, the depth of sphere 121 is 0.2mm-0.4mm, and elasticity mill spicule 120 vibration amplitude is 1mm-4mm.
Be preferred to use above-mentioned technical indicator, through experiment can be best grind off hyperplasia vertebra.
Further, elasticity mill spicule 120 quantity is 10-50 roots.
Further, many elasticity mill spicules 120 of fasciculation are provided with evacuation tube at axle center, and evacuation tube is slidably
In the inside of the first outer tube 110 and extend to outside beam mouthful 130.
Evacuation tube can will suction out bone meal elasticity mill spicule after hyperplasia vertebra grinds, be unlikely to stay in wound
Portion, is impacted.
Further, one end that evacuation tube is located inside the first outer tube 110 is connected with the first air extractor.
With reference to shown in Fig. 3, bone tool 200 is inhaled, including the second outer tube 210, the inside of the second outer tube of insertion 210 and along outside second
The elastic caoutchouc inner tube 220 of the axis of pipe 210 slidably, the outer wall of elastic caoutchouc inner tube 220 is held in the interior of the second outer tube 210
Wall, one end end face of elastic caoutchouc inner tube 220 is soft rubber circle 230, and elastic caoutchouc inner tube 220 is located at soft rubber circle 230
One end in be implanted with many elastic wires 240 arranged side by side, elastic wire 240 is parallel to the axial line of the second outer tube 210, elastic wire
240 one end for being located at soft rubber circle 230 deviate from the axial line deviation of the second outer tube 210, and elastic caoutchouc inner tube 220 deviates from soft rubber
One end of cushion rubber 230 is connected with the second air extractor.
Second outer tube is inserted by elastic caoutchouc inner tube, soft rubber circle is in the second outer tube due to being held in second
Outer tube, it is impossible to open, elastic caoutchouc inner tube releases soft rubber circle after the second outer tube, due to depositing for interplantation elastic wire
Soft rubber circle is being scattered expansion automatically, it is relevant with stretching length to expand size, controlling soft rubber according to actual needs
The size expanded is enclosed, bone shell is then touched, is inhaled bone shell backward by air extractor until bone shell is not in compressing cervical vertebra nerve.
Further, the quantity of elastic wire 240 is 10-15 roots.
Further, the quantity of elastic wire 240 is 12.
Further, a diameter of 4-5mm of the second outer tube 210.
Further, a diameter of 3-4mm of elastic caoutchouc inner tube 220.
Further, flexible a diameter of 3-9mm of soft rubber circle 230.
With reference to shown in Fig. 1-4, free switching mill bone tool and the minimally invasive equipment 300 for inhaling bone tool, including manually operated pipe 310,
Manually operated pipe 310 is offered along its axial direction and protruded out in cylindrical cavities 311, manually operated pipe 310 with cylindrical cavities 311 side by side
What is set dials rod 320 and endoscope 330, in addition to inhales bone tool 200 and mill bone tool 100, and mill bone tool 100 includes the first outer tube 110,
First outer tube 110 along its axial direction protruded out many elasticity mill spicules 120, the first outer tube 110 can be inserted into cylindrical cavities 311 and along its
Slide axially, inhaling bone tool 200 includes protruding out flexible rubber inner tube 220 at the second outer tube 210, the axle center of the second outer tube 210, elasticity
One end end face that rubber inner tube 220 is located at outside the second outer tube 210 is soft rubber circle 230, and the other end is connected with second
Air extractor, the second outer tube 210 can be inserted into cylindrical cavities 311 and be slid axially along it.
Endoscope can observe operation, and marrow and nerve root can be pushed aside by dialling rod, it is possible to achieve manually operated pipe goes directly
At osteoproliferation, by the setting of cylindrical cavities, mill bone tool and suction bone tool can be inserted freely into or extract, on demand will insertion
Corresponding utensil, mill spicule can grind off hyperplasia vertebra, and the bone shell for being close to nerve can be suctioned out by inhaling bone tool, final to realize
Complete operation.
Further, 100 bottoms of mill bone tool are provided with stopping means.Inhale 200 bottoms of bone tool and be provided with stopping means.
Stopping means can cause mill bone tool and suction bone tool to be unlikely to insertion and take an advanced study into very much danger.
Further, elasticity mill spicule 120 material is hard alloy.
Further, every elasticity mill spicule 120 is slidably inside the first outer tube 110.
Further, the end face that elasticity mill spicule 120 is located at outside the first outer tube 110 is parabola or sphere 121.
Further, the depth of sphere 121 is 0.2mm-0.4mm, and elasticity mill spicule 120 vibration amplitude is 1mm-4mm.
Further, in addition to magnetcisuspension suspension motor, magnetcisuspension suspension motor driving elasticity mill spicule 120.
The concrete operation step of the said equipment is as follows：
First, an aperture is bored on patient's corresponding site, and an operation technique wicket is opened on lamina, this is sent out
In bright equipment insertion aperture, by X-ray location equipment and endoscope, marrow and nerve root are pushed aside with rod is dialled, by manually operated pipe
At through osteoproliferation；
2nd, insertion mill bone has first in cylindrical cavities, and the elasticity that mill bone tool is set by pencil grinds spicule by protuberance
Position is polished, and power source is used as by magnetcisuspension suspension motor, and elasticity grinds the spicule vibrations frequency per minute up to 30000 times or so, with reference to
Elasticity mill spicule top vibration amplitude and sphere are set, and can effectively grind off hyperplasia vertebra.Because every elasticity mill spicule can be with
Independent control, can be stretched out according to elasticity mill spicule number control to polish area；According to the velocity of vibration of elasticity mill spicule
To control the speed for grinding bone；Control to polish the shape of contact surface according to the elasticity different extension elongation of mill spicule, it is possible to achieve
Diversified shape：Such as elasticity mill spicule can constitute drill-shape (only need to stretch out pencil center to beat size bone hole
Several elasticity mill spicules, remaining elasticity mill spicule do not stretch out), a plane can also be constituted to grind off top layer hyperplasia vertebra
(only the elasticity mill spicule of stretching need to be reached into unified plane), can also constitute a convex surface (only needs to grind off prominent vertebra
Center elasticity mill spicule is stretched out more, outside stretching is a little less to be can be achieved).Then elasticity is ground by bone by evacuation tube
Bone meal under pin mill is extracted out, leaves the bone shell for being close to cervical vertebra nerve.
3rd, in order to give cervical vertebra nerve decompression, mill bone tool is extracted, bone tool is inhaled in insertion, with the soft rubber circle inhaled on bone tool
Touch after bone shell and to be stretched outward by air extractor, until cervical vertebra nerve is no longer influenced by the compressing of bone shell, even and if bone shell is past
Bone shell is suctioned through after inhaling afterwards, influence is there will not be on patient, operation is completed, and sticks bandage.
Have as follows a little when being performed the operation using the said equipment：
This equipment has got around nervus vasculairs etc. when performing the operation, and reduces operation risk；
Positioned by X-ray, starting an aperture can complete, operation precision is high, the bone structure of cervical vertebra will not be caused to damage
Wound, rehabilitation is fast；
This equipment can be used for various problems, such as top layer splint bone, spherical cervical vertebra splint bone protrusion, single-unit or more piece neck bone
Spinal canal stenosis, Cervical Disk Herniation etc. caused by matter hyperplasia.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (6)
1. one kind inhales bone tool, it is characterised in that including the second outer tube, second outer tube is inserted and along outside described second
The elastic caoutchouc inner tube of pipe axis slidably, the outer wall of the elastic caoutchouc inner tube is held in the inwall of second outer tube,
One end end face of the elastic caoutchouc inner tube is soft rubber circle, and the elastic caoutchouc inner tube is located at the one of the soft rubber circle
Many elastic wires arranged side by side are implanted with end, the elastic wire is parallel to the second outer tube axial line, the elastic wire
Deviate from the second outer tube axial line deviation positioned at one end of the soft rubber circle, the elastic caoutchouc inner tube is away from described soft
One end of matter rubber ring is connected with the second air extractor.
2. suction bone tool according to claim 1, it is characterised in that the elastic wire quantity is 10-15 roots.
3. suction bone tool according to claim 2, it is characterised in that the elastic wire quantity is 12.
4. suction bone tool according to claim 1, it is characterised in that a diameter of 4-5mm of second outer tube.
5. suction bone tool according to claim 1, it is characterised in that a diameter of 3-4mm of the elastic caoutchouc inner tube.
6. suction bone tool according to claim 1, it is characterised in that flexible a diameter of 3-9mm of the soft rubber circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301303.0A CN107007321A (en) | 2017-05-02 | 2017-05-02 | Inhale bone tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301303.0A CN107007321A (en) | 2017-05-02 | 2017-05-02 | Inhale bone tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107007321A true CN107007321A (en) | 2017-08-04 |
Family
ID=59447707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710301303.0A Pending CN107007321A (en) | 2017-05-02 | 2017-05-02 | Inhale bone tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107007321A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110218547A1 (en) * | 2008-11-27 | 2011-09-08 | Kenji Ishii | Vacuum extractor cup for delivery |
| CN104159525A (en) * | 2011-10-24 | 2014-11-19 | 急速医疗有限公司 | Clot removal devices and methods |
| CN204468952U (en) * | 2015-02-03 | 2015-07-15 | 张立献 | Operation negative pressure suction device suction catheter |
| CN106237484A (en) * | 2016-08-11 | 2016-12-21 | 重庆医科大学附属永川医院 | One can stretch into bronchial sputum aspirator tube |
| CN205849489U (en) * | 2016-05-17 | 2017-01-04 | 西南医科大学附属医院 | Peritoneoscope negative-pressure type gastrointestinal pulling apparatus |
-
2017
- 2017-05-02 CN CN201710301303.0A patent/CN107007321A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110218547A1 (en) * | 2008-11-27 | 2011-09-08 | Kenji Ishii | Vacuum extractor cup for delivery |
| CN104159525A (en) * | 2011-10-24 | 2014-11-19 | 急速医疗有限公司 | Clot removal devices and methods |
| CN204468952U (en) * | 2015-02-03 | 2015-07-15 | 张立献 | Operation negative pressure suction device suction catheter |
| CN205849489U (en) * | 2016-05-17 | 2017-01-04 | 西南医科大学附属医院 | Peritoneoscope negative-pressure type gastrointestinal pulling apparatus |
| CN106237484A (en) * | 2016-08-11 | 2016-12-21 | 重庆医科大学附属永川医院 | One can stretch into bronchial sputum aspirator tube |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Youquan Inventor before: Guo Youquan Inventor before: Gong Zhenqi |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170804 |