CN203122470U - Specimen collector for minimally invasive surgery - Google Patents
Specimen collector for minimally invasive surgery Download PDFInfo
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- CN203122470U CN203122470U CN 201320130481 CN201320130481U CN203122470U CN 203122470 U CN203122470 U CN 203122470U CN 201320130481 CN201320130481 CN 201320130481 CN 201320130481 U CN201320130481 U CN 201320130481U CN 203122470 U CN203122470 U CN 203122470U
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Abstract
The utility model discloses a specimen collector for minimally invasive surgery, which is mainly composed of a disc-shaped regulator capable of changing a suction channel, a sealed connection bottle capable of automatically draining a liquid and provided with a filter device, and a container bottle for heparinizing sucked contents. The specimen collector heparinizes the sucked contents, prevents fresh blood from clotting, and prevents interference on quality and quantity of specimens by blood clots; the filter device is not a part of the suction channel, so the damage to the specimens by the filter device due to great pressure difference between two sides of the filter device, at the same time, the problem that the specimens block the suction channel is solved, and the negative pressure for continuous normal work of a suction apparatus can be ensured; when the tail end of the suction apparatus is in a non-working state, the specimen collection bottle drains a bloody fluid continuously and only keeps specimens such as tumor tissues, so enough space for collecting all specimens in the whole operation process can be ensured; and at other operation stages without specimen collection, the suction channel works as a normal suction pipe.
Description
Technical field
This utility model patent belongs to technical field of medical instruments, is specifically related to a kind of specimen collection device of Minimally Invasive Surgery.
Background technology
Minimally Invasive Surgery is the developing direction of contemporary surgery, comprises various endoscopic surgeries and microsurgery, and it is little with otch, wound gently is feature.Must use suction pump (particularly ultrasonic aspirator) in the operation, tissue specimens such as tumor are attracted device and siphon away, and cause the big portion of tissue specimen such as tumor to lose.Particularly the intracranial tumor volume is less relatively, causes the pathological diagnosis difficulty after the big portion of specimen loses; The Minimally Invasive Surgery otch is little simultaneously, is difficult to see that pathological changes is whole, is difficult to estimate pathological changes excision degree in the operation after the big portion of specimen loses.For obtaining tissue specimen such as above-mentioned tumor, generally all be to adopt to get the tumor pincers and carry out the gripping of tissue specimens such as tumor now, but Minimally Invasive Surgery can only hold very thin apparatus, it is also less that institute's gripping is organized, and bothersome effort; The operation of special deep clamps more apparent clumsiness with getting tumor, not only influences surgical field of view, and easily causes bleeding when getting specimen.If can keep the specimen of suction pump sucking-off, not only can satisfy the pathological diagnosis needs, also can estimate pathological changes excision degree in the operation; The more important thing is operation technique is oversimplified, shorten operating time, reduce intraoperative hemorrhage, benefit extensive patients.
The specimen collection device of also not accepted by numerous clinicists at present, all there is following several shortcoming in registered various specimen collection device utility models of putting on record now: 1. all existing apparatus are all considered the fresh blood that mixes with specimen.So long as that operation just has is hemorrhage, hemorrhage must absorb to guarantee the art open country clear.Attraction content when getting specimen must be the mixture of specimen and fresh blood.But fresh blood can solidify the formation blood clot, can cause interference to the quality and quantity of specimen; 2. most of registered specimen collection device of putting on record constitutes by suction tube, draft tube and middle defecator.Though middle filtering device is had nothing in common with each other, all are the parts that attract passage.Along with specimen and fresh blood grumeleuse that filtering device keeps are more and more, its resistance is just more big, and the negative pressure strength of the suction aspirator tip in the art is just more and more littler, influences operation technique; The pressure differential of filtering device both sides is more and more simultaneously, causes the mechanical damage to specimen; 3. the registered specimen collection device of putting on record of fraction is made of suction tube, draft tube and airtight specimen collection bottle, and airtight specimen trap is difficult to collect the whole specimen in the whole surgery process keeping all attraction contents (specimen and fresh blood etc.); Simultaneously fresh blood solidifies and forms blood clot the quality and quantity of specimen is caused interference.
The utility model content
This utility model is intended to overcome the deficiencies in the prior art, provide a kind of when Minimally Invasive Surgery the omnidistance novel specimen trap of collecting all specimen.
In order to achieve the above object, the technical scheme that provides of this utility model is:
Referring to Fig. 1 and 2, described Minimally Invasive Surgery specimen trap comprises that receiving flask comprises receiving flask 1, is arranged at the disc pipeline modulator 2 that can regulate and control to attract passage of receiving flask 1 top, the container bottle 3 that is communicated with disc pipeline modulator 2 one sides; Described receiving flask 1 inside is provided with defecator 4, and receiving flask 1 bottleneck is provided with sample collection tube 11 and escape pipe 12, and receiving flask 1 bottom is provided with liquid discharge tube 15; Described disc pipeline modulator 2 is communicated with receiving flask 1 by sample collection tube 11 and escape pipe 12; Described disc pipeline modulator 2 external draft tube 13 and suction tubes 14.
Wherein, described disc pipeline modulator 2 comprises fixing outer dish 24 and the rotation inner discs 25 concentric with fixing outer dish 24; Seal between described rotation inner disc 25 and the fixing outer dish 24 and contact, rotate inner disc 25 and can wind central shaft rotation perpendicular to its card; Described fixing outer dish 24 edges are provided with A channel mouth 5, B passway 6, C-channel mouth 7, passage 10, D passway 8 and E passway 9, described A channel mouth 5, B passway 6, C-channel mouth 7, passage 10, D passway 8 and E passway 9 are respectively 45 °, 135 °, 180 °, 225 °, 315 ° and 270 ° with the clockwise angle of fixing outer dish 24 vertical axis of symmetry, described A, D passway are connected with suction tube 14 with draft tube 13 respectively, and described B, C-channel mouth are communicated with escape pipe 12 and sample collection tube 11 respectively; Described container bottle 3 is communicated with E passway 9; The edge of described rotation inner disc 25 is provided with A ' passway 16, B ' passway 17, C ' passway 18, D ' passway 19 and E ' passway 20; Be communicated with by A arc pipe 21 between described A ' passway 16 and the B ' passway 17; Be communicated with by B arc pipe 22 between described C ' passway 18 and the D ' passway 19, be communicated with by straight tube 23 between described B arc pipe 22 and the E ' passway 20; Described A arc pipe 21, B arc pipe 22 and straight tube 23 all are located at rotation inner disc 25 inside; When catcher is in when making a collection of specimens state, described A ', B ', C ', D ', E ' passway are communicated with A, B, C, D, E passway respectively; When catcher is in non-making a collection of specimens (inner disc half-twist) during state, described A ', B ', C ', D ', E ' passway are communicated with D passway 8, A channel mouth 5, B passway 6, C-channel mouth 7, passage 10 respectively; Described defecator comprises lower metal stratum reticulare and upper strata filter course; Described filter course is filter membrane or common gauze (selecting according to the specimen needs); The center of circle of described rotation inner disc is provided with changeover valve; Be provided with check valve in the described liquid discharge tube.In the described container bottle 3 heparin saline is housed.
Below in conjunction with principle and using method, the utility model is described in further detail:
Referring to Fig. 1, when changeover valve 26 is in vertical position (state makes a collection of specimens), A ', B ', C ', D ', E ' the passway connection of aliging with A, B, C, D, E passway respectively of rotation inner disc 25, then sealing of passage 10, suction tube 14 is connected with external suction pump.Suction pump end in running order (suction pump endcapped or semiclosed) makes in pipeline and the receiving flask 1 to be the high negative pressure state, at this moment the closed check valve of receiving flask 1 bottom liquid discharge pipe.Attract content (specimen and fresh blood etc., dotted arrow among Fig. 1 and 2 represents that air flows, the circulation of fine line arrow express liquid, the heavy line arrow is represented solid flow) enter A arc pipe 21 from suction tube 14, the heparin saline in the container bottle 3 enters A arc pipe 21 by straight tube 23 and will attract the content heparinization.The attraction thing of heparinization is collected in the receiving flask 1 by collecting pipe 11, through defecator the time, specimen can not be passed through defecator, and the fresh blood of heparinization (can not form blood clot) is concentrating on by filtering device 4 under the action of gravity below the receiving flask 1 in company with other liquid, and the gas in the receiving flask 1 is then got rid of through escape pipe 12, A arc pipe 21 and draft tube 13 successively.
When the suction pump end is in off working state (suction pump open-ended), be the lower negative pressure state in pipeline and the receiving flask 1.Bloody fluid reach a certain height in the receiving flask 1, and the check valve 27 of fluid pressure receiving flask 1 bottom liquid discharge pipe 15 during greater than negative pressure is open, and action of gravity makes the part bloody fluid discharge (specimen because stopping of defecator be retained in receiving flask 1 interior).
Referring to Fig. 2, when rotary valve 26 is horizontal (the non-state that makes a collection of specimens), the A ' of inner disc A curved channel 21, B ' passway are connected with A, B passway respectively, form service aisle and attract content after receiving flask 1(suction tube 14, A arc pipe 21 and draft tube 13 connections, equally work perilesional fresh hemorrhage, flushing normal saline removing with common suction catheter).Inner disc straight channel 23 is connected with container bottle 3, and the C ' of inner disc B curved channel 22, D ' passway are connected with C, D passway respectively, communicate with ambient atmosphere by pipeline 22,23 in the receiving flask, are normal atmosphere (An).E passway 9 is closed, and heparin saline can not enter the pipeline in the rotation inner disc 25.Action of gravity makes bloody fluid discharge (specimen is owing to stopping of defecator is retained in the receiving flask 1).Minimally Invasive Surgery specimen trap of the present utility model, mainly can change the disc modulator that attracts passage, one drain and with the sealing receiving flask of filtering device automatically by one, and the container bottle composition that will attract content (specimen and fresh blood etc.) heparinization.Compared with prior art, its beneficial effect is:
1, will attract content (specimen and fresh blood etc.) heparinization, and avoid fresh blood to solidify the formation clot, avoid the interference of blood clot to the specimen quality and quantity;
2, filtering device is not a part that attracts passage (suction tube, draft tube, A arc pipe, B arc pipe, sample collection tube, escape pipe), just utilize action of gravity that specimen is separated with bloody fluid, avoided filtering device both sides immense pressure difference to cause filtering device to the damage of specimen; Solve the specimen of knowing clearly simultaneously and block the problem that attracts passage, guaranteed that suction pump continues the required negative pressure of operate as normal;
3, the suction pump end is in the off working state gap, the specimen collection bottle is constantly discharged bloody fluid, only keeps specimen such as tumor tissues at receiving flask, guarantees to have enough spaces to collect all specimen in the whole surgery process, and can estimate the excision ratio, estimate pathological changes excision degree in the operation;
4, filtering device is two-layer, and the below is permanent wire netting, plays the support effect, and the top is the erythrocyte filter membrane that can pass through (or common gauze get final product, require to select according to specimen), is convenient to specimen collection and cleaning;
5, in other operation stages of not getting specimen, attract passage without the specimen collection system, equally work with common suction catheter.
Description of drawings
Structural representation when Fig. 1 makes a collection of specimens state for this utility model catcher;
Structural representation when Fig. 2 makes a collection of specimens state for this utility model catcher is non-.
Among the figure: 1, receiving flask, 2, disc pipeline modulator, 3, container bottle, 4, defecator, 5, the A channel mouth, 6, the B passway, 7, C-channel mouth, 8, the D passway, 9, the E passway, 10, passage, 11, collecting pipe, 12, escape pipe, 13, draft tube, 14, suction tube, 15, liquid discharge tube, 16, A ' passway, 17, B ' passway, 18, C ' passway, 19, D ' passway, 20, E ' passway, 21, the A arc pipe, 22, B arc pipe, 23, straight tube, 24 fixing outer dishes, 25 rotation inner discs, 26, changeover valve, 27, check valve.
The specific embodiment
Embodiment 1
Referring to Fig. 1 and 2, described Minimally Invasive Surgery specimen trap comprises that receiving flask comprises receiving flask 1, is arranged at the disc pipeline modulator 2 that can regulate and control to attract passage of receiving flask 1 top, the container bottle 3 that is communicated with disc pipeline modulator 2 one sides; Described receiving flask 1 inside is provided with defecator 4, and receiving flask 1 bottleneck is provided with sample collection tube 11 and escape pipe 12, and receiving flask 1 bottom is provided with liquid discharge tube 15; Described disc pipeline modulator 2 is communicated with receiving flask 1 by sample collection tube 11 and escape pipe 12; Described disc pipeline modulator 2 external draft tube 13 and suction tubes 14.
Wherein, described disc pipeline modulator 2 comprises fixing outer dish 24 and the rotation inner discs 25 concentric with fixing outer dish 24; Seal between described rotation inner disc 25 and the fixing outer dish 24 and contact, rotate inner disc 25 and can wind central shaft rotation perpendicular to its card; Described fixing outer dish 24 edges are provided with A channel mouth 5, B passway 6, C-channel mouth 7, passage 10, D passway 8 and E passway 9, described A channel mouth 5, B passway 6, C-channel mouth 7, passage 10, D passway 8 and E passway 9 are respectively 45 °, 135 °, 180 °, 225 °, 315 ° and 270 ° with the clockwise angle of fixing outer dish 24 vertical axis of symmetry, described A, D passway are connected with suction tube 14 with draft tube 13 respectively, and described B, C-channel mouth are communicated with escape pipe 12 and sample collection tube 11 respectively; Described container bottle 3 is communicated with E passway 9; Described rotation inner disc 25 edges are provided with A ' passway 16, B ' passway 17, C ' passway 18, D ' passway 19 and E ' passway 20; Be communicated with by A arc pipe 21 between described A ' passway 16 and the B ' passway 17; Be communicated with by B arc pipe 22 between described C ' passway 18 and the D ' passway 19, be communicated with by straight tube 23 between described B arc pipe 22 and the E ' passway 20; Described A arc pipe 21, B arc pipe 22 and straight tube 23 all are located at rotation inner disc 25 inside; When catcher is in when making a collection of specimens state, described A ', B ', C ', D ', E ' passway are communicated with A, B, C, D, E passway respectively; When catcher is in non-making a collection of specimens during state, described A ', B ', C ', D ', E ' passway are communicated with D passway 8, A channel mouth 5, B passway 6, C-channel mouth 7, passage 10 respectively; Described defecator 4 comprises lower metal stratum reticulare and upper strata filter course; Described filter course is filter membrane; The center of circle of described rotation inner disc 25 is provided with changeover valve 26; Be provided with check valve 27 in the described liquid discharge tube 15.
Claims (7)
1. Minimally Invasive Surgery specimen trap, it is characterized in that, described catcher comprises receiving flask (1), is arranged at the disc pipeline modulator (2) that can regulate and control to attract passage of receiving flask (1) top, the container bottle (3) that is communicated with disc pipeline modulator (2) one sides; Described receiving flask (1) inside is provided with defecator (4), and receiving flask (1) bottleneck is provided with sample collection tube (11) and escape pipe (12), and receiving flask (1) bottom is provided with liquid discharge tube (15); Described disc pipeline modulator (2) is communicated with receiving flask (1) by sample collection tube (11) and escape pipe (12); The external draft tube of described disc pipeline modulator (2) (13) and suction tube (14).
2. catcher as claimed in claim 1 is characterized in that, described disc pipeline modulator (2) comprises fixing outer dish (24) and the rotation inner disc (25) concentric with fixing outer dish (24); Seal between described rotation inner disc (25) and the fixing outer dish (24) and contact, rotate inner disc (25) and can wind central shaft rotation perpendicular to its card; Described fixing outer dish (24) edge is provided with A channel mouth (5), B passway (6), C-channel mouth (7), passage (10), D passway (8) and E passway (9), described A channel mouth (5), B passway (6), C-channel mouth (7), passage (10), D passway (8) and E passway (9) are respectively 45 ° with the vertical clockwise angle of axis of symmetry of fixing outer dish (24), 135 °, 180 °, 225 °, 315 ° and 270 °, described A, the D passway is connected described B with draft tube (13) with suction tube (14) respectively, the C-channel mouth is communicated with escape pipe (12) and sample collection tube (11) respectively; Described container bottle (3) is communicated with E passway (9); The edge of described rotation inner disc (25) is provided with A ' passway (16), B ' passway (17), C ' passway (18), D ' passway (19) and E ' passway (20); Be communicated with by A arc pipe (21) between described A ' passway (16) and B ' passway (17); Be communicated with by B arc pipe (22) between described C ' passway (18) and D ' passway (19), be communicated with by straight tube (23) between described B arc pipe (22) and E ' passway (20); Described A arc pipe (21), B arc pipe (22) and straight tube (23) all are located at rotation inner disc (25) inside; When catcher is in when making a collection of specimens state, described A ', B ', C ', D ', E ' passway are communicated with A, B, C, D, E passway respectively; When catcher is in non-making a collection of specimens during state, described A ', B ', C ', D ', E ' passway are communicated with D, A, B, C-channel mouth, passage (10) respectively.
3. catcher as claimed in claim 1 or 2 is characterized in that, described defecator (4) comprises lower metal stratum reticulare and upper strata filter course.
4. catcher as claimed in claim 3 is characterized in that, described filter course is filter membrane or gauze.
5. catcher as claimed in claim 2 is characterized in that, the center of circle of described rotation inner disc (25) is provided with changeover valve (26).
6. catcher as claimed in claim 1 or 2 is characterized in that, is provided with check valve (27) in the described liquid discharge tube (15).
7. catcher as claimed in claim 1 or 2 is characterized in that, described container bottle is equipped with heparin saline in (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130481 CN203122470U (en) | 2013-03-21 | 2013-03-21 | Specimen collector for minimally invasive surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130481 CN203122470U (en) | 2013-03-21 | 2013-03-21 | Specimen collector for minimally invasive surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203122470U true CN203122470U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320130481 Withdrawn - After Issue CN203122470U (en) | 2013-03-21 | 2013-03-21 | Specimen collector for minimally invasive surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203122470U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126729A (en) * | 2013-03-21 | 2013-06-05 | 中南大学 | Specimen collector of minimally invasive surgery |
| CN106691515A (en) * | 2016-12-09 | 2017-05-24 | 青岛大学附属医院 | Device for liquid specimen retention for surgery |
| CN109264212A (en) * | 2018-11-02 | 2019-01-25 | 上海市第人民医院 | A kind of novel pathological specimen collection device |
| CN109431550A (en) * | 2018-12-04 | 2019-03-08 | 上海市同济医院 | A kind of controllable microsurgery tumor specimen collecting device |
-
2013
- 2013-03-21 CN CN 201320130481 patent/CN203122470U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126729A (en) * | 2013-03-21 | 2013-06-05 | 中南大学 | Specimen collector of minimally invasive surgery |
| CN103126729B (en) * | 2013-03-21 | 2014-10-15 | 中南大学 | Specimen collector of minimally invasive surgery |
| CN106691515A (en) * | 2016-12-09 | 2017-05-24 | 青岛大学附属医院 | Device for liquid specimen retention for surgery |
| CN109264212A (en) * | 2018-11-02 | 2019-01-25 | 上海市第人民医院 | A kind of novel pathological specimen collection device |
| CN109431550A (en) * | 2018-12-04 | 2019-03-08 | 上海市同济医院 | A kind of controllable microsurgery tumor specimen collecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20141015 |
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| RGAV | Abandon patent right to avoid regrant |