CN105561408B - A kind of liquid collector and negative pressure treatment equipment for being used to store wound fluid - Google Patents
A kind of liquid collector and negative pressure treatment equipment for being used to store wound fluid Download PDFInfo
- Publication number
- CN105561408B CN105561408B CN201510949764.XA CN201510949764A CN105561408B CN 105561408 B CN105561408 B CN 105561408B CN 201510949764 A CN201510949764 A CN 201510949764A CN 105561408 B CN105561408 B CN 105561408B
- Authority
- CN
- China
- Prior art keywords
- sample view
- housing
- liquid collector
- view storehouse
- wound fluid
- 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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- 239000007788 liquid Substances 0.000 title claims abstract description 72
- 239000012530 fluid Substances 0.000 title claims abstract description 40
- 206010052428 Wound Diseases 0.000 claims description 47
- 208000027418 Wounds and injury Diseases 0.000 claims description 47
- 238000009581 negative-pressure wound therapy Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 210000003722 extracellular fluid Anatomy 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 102000004506 Blood Proteins Human genes 0.000 description 1
- 108010017384 Blood Proteins Proteins 0.000 description 1
- 206010021137 Hypovolaemia Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000003102 growth factor Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/05—Bandages or dressings; Absorbent pads specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Sampling And Sample Adjustment (AREA)
- External Artificial Organs (AREA)
Abstract
The embodiment of the present invention provides a kind of liquid collector for being used to store wound fluid, including housing, setting are used to connect the dressing interface of dressing and set to be used for the negative pressure source interface for connecting negative pressure source on the housing on the housing, in addition to：It is arranged at by runner assembly and is used for the sample view storehouse for storing quantitative wound diffusate in the housing.Pass through the sample view storehouse of the embodiment of the present invention, the state that wound fluid is presented in different phase in the observation patient treatment procedure that can be quantified, such as viscosity and color etc. physiological parameter, above-mentioned physiological parameter can reflect the state of the current wound of patient to a certain degree, and important treatment auxiliary information can be provided to medical personnel.It is easy to use without manually operated and the sample view storehouse energy automatic turning of the present embodiment pours out liquid.
Description
Technical field
The present invention relates to field of medical device, more particularly to a kind of liquid collector and negative pressure for being used to store wound fluid
Therapeutic equipment.
Background technology
Negative pressure wound therapy（Negative Pressure Wound Therapy, NPWT）It is developed in recent years
Advanced trauma care mode.It is mainly by applying relatively low negative pressure to wound（Typically -55mmHg arrives 175mmHg）,
To promote the healing of wound surface.Specifically, vacuum suction acts on cell membrane, can be allowed to expand, distort, cell is considered as
It is damage, the information of conduction impairment is changed by signal to nucleus, causes healing growth factor before cell secretion, including blood
Pipe proliferation factor, so as to stimulate tissue to produce more new vesselses；In addition, vacuum suction siphons away diffusate from the surface of a wound, help
Establish wound bed fluid balance；And the environment that a moistening is provided is may also reach up, removes slough, reduces the bacterium of the surface of a wound
Quantity（Because bacterium is not easy to survive under negative pressure）, mitigate oedema（That is extracellular fluid/intercellular fluid）Effect；Secondly, suction is worked as
When dressing, air is sucked away graviational interaction, dressing with regard to collapses down and oppress it is uniform act on the surface of a wound, this pressure can be with
The excess of the surface of a wound is oozed out caused by confrontation attraction.Therefore negative pressure wound therapy technology can be used for Patients with Big Area Burn, pass through the skill
Art can avoid because the substantial amounts of surface of a wound oozes out patient being made to lose excessive plasma protein, reduce its generation hypovolemic and stop
Gram possibility.
In the prior art, waste collecting device is simply simply used as liquid storage container.But in patient treatment procedure
In different phase in, the state that wound fluid is presented is different, such as viscosity and color etc. physiological parameter, and above-mentioned
Physiological parameter can reflect the state of the current wound of patient to a certain degree.The construction of liquid-collecting bottle is by different phase in the prior art
Wound fluid mixing, medical personnel can not know the state of different phase patient wound according to wherein wound fluid, make
Into the missing of the important information in therapeutic process.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of liquid collecting dress for being used to store wound fluid
Put and negative pressure treatment equipment, the state that the structure after improvement understands the wound fluid of different phase can be passed through.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of liquid collecting dress for being used to store wound fluid
Put, including housing, setting are used to connect the dressing interface of dressing on the housing and set negative for connecting on the housing
The negative pressure source interface of potential source, in addition to：
It is arranged at by runner assembly and is used for the sample view storehouse for storing quantitative wound diffusate in the housing.
Further, the runner assembly is rotating shaft, and the sample view storehouse is connected by the rotating shaft with the housing.
Further, described rotating shaft one end is installed on the inner walls, and the rotating shaft other end is connected to the sample
Observe storehouse outer wall；Or,
Described rotating shaft one end is installed on the inner walls, and the rotating shaft other end is through the sample view storehouse and institute
State the connection of housing opposite side inwall.
Further, the runner assembly is lifting rope, and the sample view storehouse is connected by the lifting rope with the housing.
Further, sample view storehouse outer wall is provided with the hanger being connected with the lifting rope.
Further, the sample view storehouse includes one and is used for the Hatch Opening that liquid flows in or out.
Further, the liquid collector also includes the load-carrying members being arranged in housing, and the sample view orlop is set
It is placed in above the load-carrying members.
Further, the sample view storehouse is regular cylinder type, circular platform type or funnel type structure.
Further, the sample view storehouse is irregular structure.
Correspondingly, the present invention also provides a kind of negative pressure treatment equipment, and the negative pressure treatment equipment includes above-mentioned for storing wound
The liquid collector of mouth diffusate.
Implement the embodiment of the present invention, have the advantages that：
By the sample view storehouse of the embodiment of the present invention, in the different phase in the observation patient treatment procedure that can be quantified
The state that wound fluid is presented, such as viscosity and color etc. physiological parameter, above-mentioned physiological parameter can be to a certain degree
Reflect the state of the current wound of patient, important treatment auxiliary information can be provided to medical personnel.And the sample of the present embodiment
This observation storehouse energy automatic turning pours out liquid, easy to use without manually operated.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, according to
These accompanying drawings obtain other accompanying drawings and still fall within scope of the invention.
Fig. 1 is the structural representation provided by the present invention for storing the liquid collector of wound fluid；
Fig. 2 is the internal structure schematic diagram one provided by the present invention for storing the liquid collector of wound fluid；
Fig. 3 is the internal structure schematic diagram two provided by the present invention for storing the liquid collector of wound fluid；
Fig. 4 is the internal structure schematic diagram three provided by the present invention for storing the liquid collector of wound fluid；
Fig. 5 is the internal structure schematic diagram four provided by the present invention for storing the liquid collector of wound fluid.
Embodiment
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the formula example present invention.
The direction term that the present invention is previously mentioned, such as " on ", " under ", "front", "rear", "left", "right", " interior ", " outer ", " side " etc.,
Only it is the direction with reference to annexed drawings.Therefore, the direction term used is to illustrate and understand the present invention, and is not used to limit
The present invention.
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with accompanying drawing
It is described in detail on step ground.
A kind of liquid collector for being used to store wound fluid provided in an embodiment of the present invention as shown in Figure 1, including shell
Body 100, be arranged on the housing 100 be used for connect dressing dressing interface 110 and set on the housing be used for connect it is negative
The negative pressure source interface 120 of potential source.
Referring to Fig. 2, Fig. 2 is the structural representation of the inside of liquid collector shown in Fig. 1, and the liquid collector also includes passing through one
Runner assembly 130, which is arranged at, is used for the sample view storehouse 140 for storing quantitative wound diffusate, sample view in the housing 100
Storehouse 140 can rotate unspecified angle by runner assembly 130 in housing 100.The operating process of the present invention is as follows：It is former according to mechanics
Reason, a, when no liquid in sample view storehouse 140, sample view storehouse 140 is under gravitational moment effect, sample view storehouse 140 to one
Lateral deviation is oblique；B, when about half liquid is injected in sample view storehouse 140, due in the gravitational moment of sample view 140 and sample view storehouse
The gravitational moment of liquid balances each other, and sample view storehouse 140 switchs to uprightly；C, when the liquid in sample view storehouse 140 is close to be filled,
Liquid gravity square in sample view storehouse 140 is more than the gravitational moment in sample view storehouse 140, and sample view storehouse 140 is to another inclination
, its liquid is emptied；D, vacant sample view storehouse 140 are back to the state to side deflection under the effect of its gravitational moment.
It will be appreciated by persons skilled in the art that the volume in sample view storehouse 140 can be arranged as required to as different specifications, one
As, the volume in sample view storehouse 140 is arranged to 10-20 milliliters, allows medical personnel to check the state of wound fluid enough,
Revolution continues to store wound fluid after the automatic turning of sample view storehouse 140 pours out liquid when fluidifying, for seeing next time
Examine.
Wherein, Hatch Opening 141 is offered on sample view storehouse 140, Hatch Opening 141 receives to flow out out of described dressing interface 110
Liquid, as shown in Figure 3.Referring to Fig. 3 and Fig. 4, Fig. 3 and Fig. 4 are respectively no liquid and sample view storehouse product in sample view storehouse
Liquid collector internal structure schematic diagram during full liquid.In the embodiment of the present invention, a, when no liquid in sample view storehouse 140,
Sample view storehouse 140 is under gravitational moment effect, and to side deflection, Hatch Opening 141 is liquid inflow port upwards in sample view storehouse 140；
B, when liquid reaches the about half of its volume in sample view storehouse 140, due to the gravitational moment of sample view 140 and sample view
The gravitational moment of liquid balances each other in storehouse, and sample view storehouse 140 switchs to uprightly, and Hatch Opening 141 is continued up as liquid inflow port；C, when
For liquid in sample view storehouse 140 close to when filling, the liquid gravity square in sample view storehouse 140 is more than sample view storehouse 140
Gravitational moment, sample view storehouse 140 topples over to opposite side, and Hatch Opening 141 turns into downwards fluid issuing, and its liquid is emptied；D, it is empty
The sample view storehouse 140 put is back to the state to side deflection under the effect of its gravitational moment, and Hatch Opening 141 is upward.This area skill
It is understood that when Hatch Opening described herein 141 is as fluid intake, Hatch Opening 141 can receive out of dressing interface 110 art personnel
The liquid of outflow.
Also refer to Fig. 3 and Fig. 4.In embodiments of the present invention, runner assembly is rotating shaft 130a, rotating shaft 130a connection shells
Body 100 and sample view storehouse 140.Rotating shaft 130a connections housing 100 and the mode in sample view storehouse 140 can be：Rotating shaft 130a
One end is fixed on the inwall of housing 100, and the other end is fixed on the outer wall in sample view storehouse 140；Or, rotating shaft 130a one end is fixed on
The inwall of housing 100, the other end are fixed on through sample view storehouse 140 on the inwall of housing opposite side.Preferably, described turn
Axle 130a quantity is two, and rotating shaft 130a one end is symmetrically arranged on the outer wall in sample view storehouse 140, other end difference
Accordingly it is fixed on the inwall of housing 100.The sample view storehouse 140 being fixed on by rotating shaft 130a inside housing 100, in liquid
Volume when reaching a threshold value, Hatch Opening 141 is poured out liquid downwards automatic turning；The sample view storehouse after liquid is toppled over
140 automatic rotaries to Hatch Opening 141 continues up reception liquid.It is understood that above-mentioned threshold value is the body in sample view storehouse 140
Product value.
In other implementations, runner assembly can also be lifting rope 130b, as shown in figure 5, Fig. 5 provides for the present invention
Liquid collector internal structure schematic diagram four.In the embodiment of the present invention, hanger 142 is provided with the outer wall of sample view storehouse 140.
Lifting rope 130b one end passes through hanger 142, and the other end is fixed on the top of housing 100.It will be appreciated by persons skilled in the art that
The quantity of hanger 142 is two and the symmetrical outer wall for being arranged on sample view storehouse 140, and correspondingly, lifting rope 130b is also two.
The sample view storehouse 140 being fixed on by lifting rope 130b inside housing 100, will be automatic when the volume of liquid reaches a threshold value
Upset makes Hatch Opening 141 pour out liquid downwards；It is upward to Hatch Opening 141 automatic rotary of sample view storehouse 140 after liquid has been toppled over
Continue to liquid.
In addition, being also provided with load-carrying members 150 in the housing 100 of liquid collector in the embodiment of the present invention, sample is seen
The top that storehouse 140 is arranged on load-carrying members 150 is examined, and the bottom in sample view storehouse 140 can contact with load-carrying members 150 or not connect
Touch.And it will be appreciated by persons skilled in the art that when liquid injects about half in sample view storehouse 140, sample view storehouse
140 gravitational moment balances each other with the gravitational moment of its liquid, and sample view storehouse 140 switchs to uprightly.Due to the sample view after upright
Storehouse 140 is difficult to ensure that Hatch Opening 141 can align with dressing interface 110, is provided with the liquid collector of load-carrying members 150 and can offset sample
The gravitational moment and the gravitational moment of its liquid for observing storehouse 140 contend with, and ensure Hatch Opening 141 with dressing interface 110 substantially at one
To receive wound fluid on direction.
In addition, the branch for strengthening box body is additionally provided with the housing 100 of the liquid collector in the embodiment of the present invention
Stake rib, the quantity of ribs can be set according to use demand.In embodiment shown in Fig. 2, Fig. 3, blocked in no ribs
When, fluid intake and the top Hatch Opening 141 that fluid issuing is same opening, i.e. sample view storehouse 140.Sample view storehouse 140 with
The overlapping region of housing 100 is transparent region, and using transparent material, or whole liquid collecting setting can use transparent material.
Meanwhile in order to keep sample view storehouse 140 when liquid volume runs up to certain threshold value can with automatic turning and
Automatic rotary, sample view storehouse 140 can be cylindrical structure, circular platform type structure or funnel type structure, and the structure can provide
Enough viewing areas, moreover it is possible to the stored wound fluid of Automatic-dumping.In other implementations, sample view storehouse
140 can also be irregular structure, as shown in figure 3, sample view storehouse 140 can be such that Hatch Opening 141 receives upwards with automatic turning
Fluid becomes downward pouring liquid.
Correspondingly, the present invention also provides a kind of negative pressure treatment equipment, including negative pressure treatment apparatus body, is arranged on negative pressure and controls
The liquid collector for being used to store wound fluid treated the negative pressure source in apparatus body and be connected with the negative pressure source.
Implement the embodiment of the present invention, have the advantages that：
By the sample view storehouse of the embodiment of the present invention, in the different phase in the observation patient treatment procedure that can be quantified
The state that wound fluid is presented, such as viscosity and color etc. physiological parameter, above-mentioned physiological parameter can be to a certain degree
Reflect the state of the current wound of patient, important treatment auxiliary information can be provided to medical personnel.And the sample of the present embodiment
This observation storehouse meeting automatic turning after certain volume is reached pours out liquid, easy to use without manually operated.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of liquid collector for being used to store wound fluid, including housing, setting are used to connect dressing on the housing
Dressing interface and setting are used for the negative pressure source interface for connecting negative pressure source on the housing, it is characterised in that also include：
It is arranged at by runner assembly and is used for the sample view storehouse for storing quantitative wound diffusate in the housing, the sample is seen
Cha Cang can rotate unspecified angle by the runner assembly in the housing.
2. the as claimed in claim 1 liquid collector for being used to store wound fluid, it is characterised in that the runner assembly is
Rotating shaft, the sample view storehouse are connected by the rotating shaft with the housing.
3. the liquid collector as claimed in claim 2 for being used to store wound fluid, it is characterised in that rotating shaft one end peace
Loaded on the inner walls, the rotating shaft other end is connected to sample view storehouse outer wall；Or,
Described rotating shaft one end is installed on the inner walls, and the rotating shaft other end is through the sample view storehouse and the shell
Body opposite side inwall connects.
4. the as claimed in claim 1 liquid collector for being used to store wound fluid, it is characterised in that the runner assembly is
Lifting rope, the sample view storehouse are connected by the lifting rope with the housing.
5. the liquid collector as claimed in claim 4 for being used to store wound fluid, it is characterised in that the sample view storehouse
Outer wall is provided with the hanger being connected with the lifting rope.
6. the liquid collector for being used to store wound fluid as described in any one of claim 1 to 5, it is characterised in that described
Sample view storehouse includes one and is used for the Hatch Opening that liquid flows in or out.
7. the liquid collector as claimed in claim 6 for being used to store wound fluid, it is characterised in that the liquid collector is also
Including the load-carrying members being arranged in housing, the sample view storehouse is arranged above the load-carrying members.
8. the liquid collector as claimed in claim 1 for being used to store wound fluid, it is characterised in that the sample view storehouse
For cylinder type, circular platform type or the funnel type structure of rule.
9. the liquid collector as claimed in claim 1 for being used to store wound fluid, it is characterised in that the sample view storehouse
For irregular structure.
10. a kind of negative pressure wound therapy device, it is characterised in that including at least being used for as described in any one of claim 1 to 9
Store the liquid collector of wound fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949764.XA CN105561408B (en) | 2015-12-18 | 2015-12-18 | A kind of liquid collector and negative pressure treatment equipment for being used to store wound fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949764.XA CN105561408B (en) | 2015-12-18 | 2015-12-18 | A kind of liquid collector and negative pressure treatment equipment for being used to store wound fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105561408A CN105561408A (en) | 2016-05-11 |
| CN105561408B true CN105561408B (en) | 2018-03-13 |
Family
ID=55872397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510949764.XA Active CN105561408B (en) | 2015-12-18 | 2015-12-18 | A kind of liquid collector and negative pressure treatment equipment for being used to store wound fluid |
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| Country | Link |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6056731A (en) * | 1997-06-03 | 2000-05-02 | B. Braun Melsungen Ag | Suction device for body fluids |
| CN101472526A (en) * | 2006-05-19 | 2009-07-01 | 布拉蔻诊断公司 | System and method for tissue specimen collection |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7704227B2 (en) * | 2006-11-29 | 2010-04-27 | Medtronic Minimed, Inc. | Methods and apparatuses for detecting medical device acceleration, temperature, and humidity conditions |
| CN101894493A (en) * | 2009-05-18 | 2010-11-24 | 上海市嘉定区南翔小学 | Method for manufacturing gravity center and stability teaching aid |
| US9186444B2 (en) * | 2012-05-07 | 2015-11-17 | Meditech Development Incorporated | Portable regulated pressure devices for medical procedures |
| CN102886159A (en) * | 2012-10-30 | 2013-01-23 | 江苏通用环保集团有限公司 | Automatically-dumping type washing water bucket |
| CN204233595U (en) * | 2014-11-11 | 2015-04-01 | 昆山韦睿医疗科技有限公司 | A kind of liquid collector for storing wound fluid and negative pressure treatment equipment |
| CN104667360B (en) * | 2015-02-11 | 2017-07-14 | 昆山韦睿医疗科技有限公司 | A kind of negative pressure wound therapy device |
| CN104689391A (en) * | 2015-03-05 | 2015-06-10 | 昆山韦睿医疗科技有限公司 | Negative-pressure wound treatment device |
-
2015
- 2015-12-18 CN CN201510949764.XA patent/CN105561408B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6056731A (en) * | 1997-06-03 | 2000-05-02 | B. Braun Melsungen Ag | Suction device for body fluids |
| CN101472526A (en) * | 2006-05-19 | 2009-07-01 | 布拉蔻诊断公司 | System and method for tissue specimen collection |
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| Publication number | Publication date |
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| CN105561408A (en) | 2016-05-11 |
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