CN109745586A - A kind of surgery aspirator having while controllable pre-washing function and controllable adjustment attract - Google Patents
A kind of surgery aspirator having while controllable pre-washing function and controllable adjustment attract Download PDFInfo
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- CN109745586A CN109745586A CN201910092607.XA CN201910092607A CN109745586A CN 109745586 A CN109745586 A CN 109745586A CN 201910092607 A CN201910092607 A CN 201910092607A CN 109745586 A CN109745586 A CN 109745586A
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- flushing
- suction
- attraction
- controllable
- attract
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- 238000001356 surgical procedure Methods 0.000 title claims abstract description 30
- 238000005406 washing Methods 0.000 title claims abstract description 18
- 238000011010 flushing procedure Methods 0.000 claims abstract description 110
- 239000007788 liquid Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 235000009854 Cucurbita moschata Nutrition 0.000 claims description 3
- 240000001980 Cucurbita pepo Species 0.000 claims description 3
- 235000009852 Cucurbita pepo Nutrition 0.000 claims description 3
- 241000145637 Lepturus Species 0.000 claims description 3
- 235000020354 squash Nutrition 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 210000001747 pupil Anatomy 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract description 10
- 230000000903 blocking effect Effects 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 8
- 230000000740 bleeding effect Effects 0.000 abstract description 6
- 210000000416 exudates and transudate Anatomy 0.000 abstract description 6
- 239000012634 fragment Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 5
- 210000001519 tissue Anatomy 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 208000032843 Hemorrhage Diseases 0.000 description 6
- 210000004872 soft tissue Anatomy 0.000 description 6
- 210000005013 brain tissue Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 238000007917 intracranial administration Methods 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 210000004761 scalp Anatomy 0.000 description 2
- 206010019196 Head injury Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000030886 Traumatic Brain injury Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a kind of surgery aspirators having while controllable pre-washing function and controllable adjustment attract, including flushing/suction tube, flushing/suction tube is connect with vacuum suction interface and flushing liquid interface respectively by flushing/attraction valve, and the channel connecting with vacuum suction interface is equipped with suction control hole and basic suction control valve.Flushing/attraction valve is pressed, flushing liquor is flowed out from flushing/suction tube, rinses surgical procedure visual area；Flushing/attraction valve is unclamped, the substance of surgical procedure is influenced with flushing liquor, bleeding, exudate, fester, the discarded fragment of tissue etc. in flushing/attraction nozzle contact visual area.Change appeal with the opening-closing size of finger controlled suction control hole intake valve, keep normal and attract, flushing/attraction spout part has U-shaped anti-clogging notch, with prevent blocking or because suction it is excessive to patient tissue caused by damage.
Description
Technical field
The flushing for being adjustably controlled negative pressure absorption operative region is rinsed and utilized the present invention relates to a kind of pair of operating field
The medical equipment more particularly to one kind of liquid, bleeding, exudate, fester, discarded fragment of tissue etc. are provided simultaneously with controllable pre-washing function
With the surgery aspirator of attraction controllable adjustment function.
Background technique
It is incorporated into rinsing on same part medical instrument with suction function, is provided simultaneously with the vacuum suction dynamics that adjusts, prevents
The improper injury tissue of attraction and blocking suction tube, and can controllably be rinsed at any time, and adapt to the operation of different users
Habit, there is extensive practical use in surgical operation.
At present in surgical operation to operation visual area cleaning generally use with syringe absorption physiological saline after, to art area into
After row rinses, existing aspirator is reused by the liquid etc. of generation and is attracted object absorption completely.In operation, difference is needed replacing
Instrument.The aspirator majority now used only has single suction function, does not have while discharge water flushing and accurate adjustment attract
The function of power.
Some surgery aspirators devise suction control hole, but its shape is round or oval, and are unfavorable for adjustment and attract
Dynamics.Although the suction control hole for devising water-drop-shaped having, there is no funnel structure, cannot accurately adjust control attraction
Degree.
The structure of spout part is attracted to be suitable for the processing to larger groove, for relatively soft tissue such as blood vessel, nerve
Operate careless slightly, these structures can be inhaled into aspirator mouth completely, gently then block aspirator, heavy then cause to damage to these tissues
Wound.Especially in micrurgy, appeal not only can be accurately adjusted with greater need for one kind, moreover it is possible to prevent the improper damage of attraction
Tissue and blocking suction tube, and it can be readily achieved the used operation of company of flushing, attraction, and can adapt to the operation of different users
The surgical operating instrument of habit.
For example, aspirator must not when being craniocerebral injury, intracranial tumour and operation for cerebrovascular diseases in neurosurgery
The tool that can lack.The operation of neurosurgery, two most basic instruments, are exactly aspirator and bipolar coagulation forceps.It is many highly difficult
Operation, be just located against the skilled with the use of completing of two kinds of instruments.The function of surgery aspirator includes absorbing flushing liquor, going out
Blood, exudate, fester, discarded fragment of tissue etc. influence the substance of surgical procedure, clearly visual area is kept, blutpunkte is found, cuts
Brain tissue or tumor tissues are opened, hemotoncus is removed, remove the fragmentation brain tissue or tumour of inactivation, assist separation and free, protection weight
Intracranial vessel and its tiny branch are wanted, blot the cotton piece being pressed on gelfoam, assist hemostasis, etc..The operation of aspirator
Cheng Zhong, the adjusting of attraction are vital links.There are expert in foreign countries, newly because in its use process, as needed, at any time
Tell that assistant adjusts the pressure-control valve for connecting wall vacuum suction valve under platform, attracts by adjusting attraction system entirety negative pressure to adjust
The attraction of device pipe, it is time-consuming and laborious, it adjusts repeatedly, it is very inconvenient.During surgery, it can generally be used when cutting scalp thicker
Suction tube, attraction need by force, to be conducive to the hemostasis of the larger amount of bleeding of scalp.And in brain tissue's operation, it should be step by step
Thinner micro- aspirator tube is replaced, and (leans on finger blocking attraction at present according to attracting the difference of object to carry out attraction adjustings
The degree of device side opening adjusts suction).Attraction can be larger when removing extradural hemorrhage, but should not go to inhale with strong attraction
Except small clot of the close adhesion on endocranium.When directly operating on brain tissue, attraction, which should adjust suction tube, to inhale
Except flushing liquor, bleeding, exudate, fester, discarded fragment of tissue etc. influence the substance of surgical procedure, and cannot inhale the tissue that beats one's brains,
The degree of blood vessel and nerve, current solution is that preferably have cotton piece protection always in all operations, to prevent to brain
The damage of tissue and blood vessel.When removing the fragmentation brain tissue of inactivation, attraction can not be too big, in order to avoid damage normal brain group
It knits and the cerebrovascular.Attraction adjust can by the adjusting of wall aspirator or by suction tube side-wall hole number adjust
Section.
Summary of the invention
The object of the present invention is to provide a kind of surgery aspirators having while controllable pre-washing function and controllable adjustment attract.
The purpose of the present invention is what is be achieved through the following technical solutions:
The surgery aspirator having while controllable pre-washing function and controllable adjustment attract of the invention, including it is replaceable a variety of
Flushing/suction tube of bore, the flushing/suction tube by flushing/attraction valve respectively with vacuum suction interface and flushing liquor
Interface connection, wherein the channel connecting with vacuum suction interface is equipped with suction control hole and basic suction control valve；
The flushing/attraction valve switches to following two state:
Under flushing state, the flushing/suction tube and vacuum suction interface are disconnected, the flushing/suction tube and flushing
Liquid interface connection；
Under attraction state, the flushing/suction tube and vacuum suction orifice and are rinsed the flushing/suction tube
Liquid interface disconnects.
As seen from the above technical solution provided by the invention, provided in an embodiment of the present invention to have while controllably rinsing
The surgery aspirator that function and controllable adjustment attract, presses flushing/attraction valve, and flushing liquor is flowed out from flushing/suction tube, punching
Wash visual area；Unclamp flushing/attraction valve, in flushing/attraction nozzle contact visual area flushing liquor, bleeding, exudate, fester,
Discarded fragment of tissue etc. influences the substance of surgical procedure, understands visual area, is convenient for surgical procedure.
Detailed description of the invention
Attached drawing is used to provide to further understanding of the invention, part of specification is constituted, with the embodiment of the present invention
Together for being explained to the present invention, it is not construed as limiting the invention.
Fig. 1-1 is the surgery attraction provided in an embodiment of the present invention having while controllable pre-washing function and controllable adjustment attract
Device overall structure diagram；
Fig. 1-2 is that the embodiment of the present invention rinses status diagram；
Fig. 1-3 is that the embodiment of the present invention attracts status diagram；
Fig. 2-1a, Fig. 2-1b, Fig. 2-1c be respectively flushing of the embodiment of the present invention/suction tube oral area two sides and its
The schematic diagram of end face；
Fig. 2-2 is anti-clogging schematic diagram when flushing of the embodiment of the present invention/suction tube is vertically pressed compared with soft tissue surfaces；
Fig. 2-3 is anti-clogging signal when flushing of the embodiment of the present invention/suction tube certain angle is pressed compared with soft tissue surfaces
Figure；
Fig. 3-1a, Fig. 3-1b, Fig. 3-1c are respectively vertical view, side view, the right view structure of suction control hole of the embodiment of the present invention
Schematic diagram；
Fig. 3-2 is that the embodiment of the present invention adjusts attraction process schematic, is gradually increased in figure by A to D suction；
Fig. 3-3a to Fig. 3-3d is respectively that the applicable different operation of the present invention is accustomed to schematic diagram, in which: Fig. 3-3a is Xiang Zuoyi
Dynamic to increase suction habit, Fig. 3-3b is to move right to increase suction habit, and Fig. 3-3c is to move up to increase suction habit, Fig. 3-
3d is to move down to increase suction habit；
Fig. 4 a and Fig. 4 b are respectively two adjustment state schematic diagrames of the basic suction control valve of the embodiment of the present invention.
In figure:
1, flushing/suction tube, 2, flushing/attraction valve, 3, suction control hole, 4, basic suction control valve, 5, negative pressure suction
Draw interface, 6, rinse liquid interface, 7, U-shaped anti-clogging notch, 8, anti-clogging protrusion, 9, the portion remained stomata, Bu Huiyin
Blocking is sucked tissue epidermis, 10, the recess that generates of slight compressing, 11, the thin tail portion of water-drop-shaped, 12, water droplet shape, 13, air inlet
Hole, 14, the inclined-plane of water-drop-shaped, 15, fixing axle, 16, the position push after at 17 aperture become smaller.
Specific embodiment
The embodiment of the present invention will be described in further detail below.What is be not described in detail in the embodiment of the present invention is interior
Appearance belongs to the prior art well known to professional and technical personnel in the field.
The surgery aspirator having while controllable pre-washing function and controllable adjustment attract of the invention, it is preferably specific real
The mode of applying is:
Flushing/suction tube including replaceable multiple caliber, the flushing/suction tube pass through flushing/attraction valve difference
With vacuum suction interface and rinse liquid interface and connect, wherein the channel being connect with vacuum suction interface equipped with suction control hole and
Basic suction control valve；
The flushing/attraction valve switches to following two state:
Under flushing state, the flushing/suction tube and vacuum suction interface are disconnected, the flushing/suction tube and flushing
Liquid interface connection；
Under attraction state, the flushing/suction tube and vacuum suction orifice and are rinsed the flushing/suction tube
Liquid interface disconnects.
The oral area of the flushing/suction tube is equipped with U-shaped anti-clogging notch；
Under attraction state, the flushing/suction tube, flushing/attraction valve attract control hole, basic attraction to adjust
Valve to vacuum suction interface, the through-hole at each position is kept on one wire.To be opened up with a steel wire just in case blocking.
The basic suction control valve is between the suction control hole and vacuum suction interface, the basic suction tune
Section valve includes the device of an adjusting line portals diameter, and structure is piston type, pupil formula or squash type, and adjustment structure is pressing
Formula, rotary or slidingtype.
The flushing/attraction valve is flushing/suction tube in two vacuum suction interface, flushing liquid interface interchannels switchings
Device, structure be piston type or rotating disc type, switching switch be push switch, rotary switch or slide switch.
The suction control hole includes two control holes for being symmetrically set in channel two sides, and the installation of any one control hole can
The water droplet shape funnel structure of disassembly, another control hole install dismountable sealing cover.
The water droplet shape funnel structure is identical as mounting structure of the sealing cover in two control holes, and outside the water droplet
There are 360 degree rotation freedom degrees after the installation of shape funnel structure.
The water droplet shape funnel structure includes the inclined-plane of water-drop-shaped, and the inclined-plane lower part of the water-drop-shaped and air inlet connect
Logical, top is smoothly connected by the thin tail portion of water droplet shape and water-drop-shaped.
The vacuum suction interface is connect by suction tube with vacuum suction channel.
The flushing liquid interface is connect by flushing-liquid pipe with flushing liquor source.
The surgery aspirator having while controllable pre-washing function and controllable adjustment attract of the invention, rinses liquid interface and passes through
One flushing-liquid pipe and flushing liquor body tied to source, vacuum suction interface are connect by a suction tube in vacuum suction channel,
Flushing/attraction valve is pressed, flushing liquor is flowed out from flushing/suction tube, rinses visual area；Flushing/attraction valve is unclamped, with punching
Flushing liquor, bleeding, exudate, fester, discarded fragment of tissue for washing/attract in nozzle contact visual area etc. influence the object of surgical procedure
Matter, these substances for influencing surgical procedure flow to vacuum suction channel with negative pressure air, keep operating surface clean, keep visual area clear
Surgical procedure is convenient in Chu.Operator changes appeal with the opening-closing size of finger controlled suction control hole air inlet, keeps
Normal to attract, flushing/attraction spout part has U-shaped anti-clogging notch, with prevent blocking or because suction it is excessive to patient tissue caused by
Damage.
Specific embodiment:
Component in attached drawing be not necessarily it is drawn to scale, focus on that the principle of the present invention illustrate
It is bright, component in content described herein and each embodiment shown in the drawings can be arranged in a variety of different configurations or ratio and
Design.
In various embodiments of the present invention, well-known structure or material are not shown or do not elaborate.And
And described feature, structure or characteristic can combine in any way in one or more embodiments.In addition, this field skill
Art personnel should be appreciated that various embodiments described herein is served only for the protection for example, and is not intended to limit the present invention
Range.
Fig. 1-1 is overall schematic of the present invention.One flushing/suction tube is communicated with one interface of flushing/attraction valve,
Another interface of flushing/attraction valve is communicated by suction control hole and basic attraction force regulating valve with vacuum suction interface,
The remaining interface of flushing/attraction valve is communicated with liquid interface is rinsed.
When flushing, such as Fig. 1-2, flushing/attraction valve connects flushing/suction tube and rinses the channel between liquid interface, closes
Channel between flushing/suction tube and vacuum suction interface, flushing liquor by flushing liquid interface through flushing/attraction valve, then by rinse/
Attract nozzle outflow, completes flushing process.
When attraction, such as Fig. 1-3, flushing/attraction valve connects the channel between flushing/suction tube and vacuum suction interface, closes
It closes flushing/suction tube and rinses the channel between liquid interface, under the action of negative pressure, air is flowed by flushing/attraction nozzle, through rushing
Valve, suction control hole, basic suction control valve, vacuum suction interface are washed/attracted, vacuum suction channel is flowed to, when flushing/suction
Skirt mouth touches when being attracted object, is attracted object under the action of negative pressure, is attracted in vacuum suction channel together with air,
Complete attraction process.
Fig. 2-1a to Fig. 2-1c is U-shaped anti-clogging notch schematic diagram of the present invention.Flushing/attraction spout part has one or more
U-shaped anti-clogging notch, there are two can describe for U-shaped anti-clogging notch to rinse/attract spout part for this schematic diagram: when rinse/
Spout part is attracted to press touching human tissue surface at any angle, and when surface forms certain cambered surface, it all will not be because of the shape of cambered surface
At and attraction it is improper, and completely plugged nozzle, to solve when soft tissue surface being attracted to be attracted object, because of tissue
Completely plugged flushing/the suction tube in surface, flushing/suction tube inside form excessive negative pressure and damage to these tissues.
Fig. 2-2 is anti-clogging situation when flushing/suction tube is vertically pressed compared with soft tissue surfaces；
Fig. 2-3 is anti-clogging situation when flushing/suction tube certain angle is pressed compared with soft tissue surfaces.
Fig. 3-1a to Fig. 3-1c is suction control hole schematic diagram of the present invention, and there are two suction control holes by each present invention, is divided
Not Wei Yu two faces of the invention symmetric position, and be connected with flushing/attraction valve to the channel between vacuum suction interface.Its
In dismountable water droplet shape funnel structure is housed on a suction control hole, another suction control hole is equipped with dismountable close
Capping.When water droplet shape funnel structure does not have any blocking, more air enters from water droplet shape funnel structure, reduces
Flushing/suction tube air inflow, flushing/suction tube attraction are also just smaller；When with fingers blocks water droplet shape funnel structure
When, lesser air enters from water droplet shape funnel structure, and flushing/suction tube air inflow at this time increases, attraction also compared with
By force；With the aggravation that finger stops water droplet shape funnel structure, flushing/suction tube attraction is gradually increased, to realize
Control to attraction.
Fig. 3-2 is suction control schematic diagram of the present invention: the movement in figure from A to D with finger to water droplet tip, from water droplet
The air that shape funnel structure enters is to become smaller gradually, and flushing/suction tube attraction is gradually increased, and realizes accurate adjustment
The purpose of attraction.
Fig. 3-3 is that the present invention is applicable in different operation habit schematic diagram: water droplet shape leakage of the rotating dress on suction control hole
The direction of bucket structure adapts to different adjustment suction operating habits, such as become larger gradually to the left, become larger gradually to the right, upwards gradually
Become larger, become larger gradually downwards；The water droplet shape funnel structure and sealing cover being mounted on two suction control holes are exchanged, a left side is applicable in
Right hand operating habit.
Fig. 4 a and Fig. 4 b are basic suction control valve (by taking squash type as an example) schematic diagram of the present invention: basic suction control valve position
Between suction control hole and vacuum suction interface, by adjusting the bore in channel at this, changes air and flow total amount, realize to base
The control of this suction.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (8)
1. a kind of surgery aspirator having while controllable pre-washing function and controllable adjustment attract, which is characterized in that including can be more
Change flushing/suction tube of multiple caliber, the flushing/suction tube by flushing/attraction valve respectively with vacuum suction interface and
Liquid interface connection is rinsed, wherein the channel connecting with vacuum suction interface is equipped with suction control hole and basic suction control valve；
The flushing/attraction valve switches to following two state:
Under flushing state, the flushing/suction tube and vacuum suction interface are disconnected, and the flushing/suction tube connects with flushing liquor
Mouth connection；
Under attraction state, the flushing/suction tube and vacuum suction orifice, the flushing/suction tube connect with flushing liquor
Mouth disconnects.
2. the surgery aspirator according to claim 1 having while controllable pre-washing function and controllable adjustment attract, special
Sign is that the oral area of the flushing/suction tube is equipped with U-shaped anti-clogging notch；
Under attraction state, the flushing/suction tube, flushing/attraction valve attract control hole, basic attraction force regulating valve extremely
The through-hole of vacuum suction interface, each position is kept on one wire.
3. the surgery aspirator according to claim 1 having while controllable pre-washing function and controllable adjustment attract, special
Sign is that the basic suction control valve is between the suction control hole and vacuum suction interface, the basic suction tune
Section valve includes the device of an adjusting line portals diameter, and structure is piston type, pupil formula or squash type, and adjustment structure is pressing
Formula, rotary or slidingtype.
4. the surgery aspirator according to claim 3 having while controllable pre-washing function and controllable adjustment attract, special
Sign is that the flushing/attraction valve is flushing/suction tube in two vacuum suction interface, flushing liquid interface interchannels switchings
Device, structure be piston type or rotating disc type, switching switch be push switch, rotary switch or slide switch.
5. the surgery aspirator according to claim 1 having while controllable pre-washing function and controllable adjustment attract, special
Sign is that the suction control hole includes two control holes for being symmetrically set in channel two sides, and the installation of any one control hole can
The water droplet shape funnel structure of disassembly, another control hole install dismountable sealing cover.
6. the surgery aspirator according to claim 5 having while controllable pre-washing function and controllable adjustment attract, special
Sign is that the water droplet shape funnel structure is identical as mounting structure of the sealing cover in two control holes, and outside the water droplet
There are 360 degree rotation freedom degrees after the installation of shape funnel structure.
7. the surgery aspirator according to claim 6 having while controllable pre-washing function and controllable adjustment attract, special
Sign is that the water droplet shape funnel structure includes the inclined-plane of water-drop-shaped, and the inclined-plane lower part of the water-drop-shaped is connected to air inlet,
Top is smoothly connected by the thin tail portion of water droplet shape and water-drop-shaped.
8. the surgery suction according to any one of claims 1 to 7 having while controllable pre-washing function and controllable adjustment attract
Lead device, it is characterised in that:
The vacuum suction interface is connect by suction tube with vacuum suction channel；
The flushing liquid interface is connect by flushing-liquid pipe with flushing liquor source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092607.XA CN109745586A (en) | 2019-01-30 | 2019-01-30 | A kind of surgery aspirator having while controllable pre-washing function and controllable adjustment attract |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092607.XA CN109745586A (en) | 2019-01-30 | 2019-01-30 | A kind of surgery aspirator having while controllable pre-washing function and controllable adjustment attract |
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| CN109745586A true CN109745586A (en) | 2019-05-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170079A (en) * | 2019-06-18 | 2019-08-27 | 西安交通大学医学院第一附属医院 | A kind of disposable aspirator draft regulator |
| CN112755271A (en) * | 2021-01-19 | 2021-05-07 | 佳木斯大学 | Orthopedics is clinical with negative pressure aspirator |
| CN113633843A (en) * | 2021-07-28 | 2021-11-12 | 四川省医学科学院·四川省人民医院 | Defecation device for digestive system department |
| CN114129788A (en) * | 2021-11-24 | 2022-03-04 | 遵义医科大学附属医院 | Hydrops drainage processing apparatus in neurosurgery art |
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