CN209574747U - A kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type - Google Patents
A kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type Download PDFInfo
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- CN209574747U CN209574747U CN201721050783.XU CN201721050783U CN209574747U CN 209574747 U CN209574747 U CN 209574747U CN 201721050783 U CN201721050783 U CN 201721050783U CN 209574747 U CN209574747 U CN 209574747U
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- seminiferous tubules
- lift lever
- pressure
- protractor
- cylinder
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Abstract
The utility model relates to a kind of visual single convoluted seminiferous tubules Protractors of pressure-adjusting type, including cylinder, stepper motor B is installed on cylinder, cartridge openings side connects handle, handle connects V-arrangement mandril, screw axis A is connect with connector B, connector B connection lift lever, and connector B, connector A and being promoted is respectively provided with there are three mutually perforative through-hole in club body；Gas-guide tube connects micro air pump, and micro air pump connects electromagnetic clutch A, and setting runs through axis, electromagnetic clutch B connection wire rod axis B between electromagnetic clutch A and electromagnetic clutch B；Push rod is installed on the outside of lift lever, and puncture needle A needle point side is equipped with side opening, and visual part is also installed in lift lever bottom.The utility model visuality improves operation accuracy; motor driven lift lever promotes the situation that sample effectively prevents hand hoisting piston rod difficulty; spray hole is set, pressure is adjusted, the setting of cutting ring can control sample length, single convoluted seminiferous tubules can be protected to straight seminiferous tubules return-flow system.
Description
Technical field
The utility model relates to the visual single convoluted seminiferous tubules of medical instruments field technical field more particularly to a kind of pressure-adjusting type
Protractor.
Background technique
Implement egg mother cell at Issues of Human Assisted Reproductive Technologies (ART) to starch in interior intracytoplasmic sperm injection technology (ICSI), part disease
The sperm of people need to be obtained from testis convoluted seminiferous tubules.Generally use two ways:
The first: traditional incision skin testis biopsy (abbreviation testis biopsy) is successively to cut testis skin extremely
Tunica albuginea exposes clip part testis tissue after testis tissue, obtains sperm after carrying out testis tissue grinding.
Second: clinic aspirates testis group from the side opening of needle using negative pressure using sterile molten syringe (matching side-hole needle)
It knits, obtains sperm after carrying out testis tissue grinding.
There are following technological deficiencies for both the above and existing operation device:
First way there are the problem of have, (1) wound is big, needs suture, takes out stitches after 5 days；(2) multiple convoluted seminiferous tubules are destroyed
To the return-flow system of straight seminiferous tubules, serious blow testicular spermatogenic function；(3) containing except convoluted seminiferous tubules in the testis tissue obtained
Its hetero-organization blocks ICSI injection needle, ICSI injection needle is caused to scrap, and increases burden of patients.
The second way there are the problem of have, (1) convoluted seminiferous tubules aspiration procedure is blind to wear, convoluted seminiferous tubule cannot be accurately positioned,
Sometimes because testis tissue quality difference needs repeatedly to puncture or even puncture failure is changed to the first open surgery, increase patient's pain
Pain and infection probability；(2) it is easy to suck excessive right and wrong spermaduct and other tissues in needle core by the way of negative pressure, Bu Nengzhun
Really obtain single right and wrong spermaduct；(3) convoluted seminiferous tubules is mentioned to skin and being easy to fall off outside by negative pressure absorbing, and sampling is caused to fail；(4) it obtains
Containing its hetero-organization except convoluted seminiferous tubules in the testis tissue obtained, block ICSI injection needle, ICSI injection needle is caused to scrap, increases
Burden of patients.
Summary of the invention
Technical problem to be solved by the utility model is to provide a kind of pressure-adjusting type, visually single convoluted seminiferous tubules pincers take dress
It sets, visual setting improves operation accuracy, realizes the sampling of single convoluted seminiferous tubules, and motor driven lift lever promotes sample
The prior art more difficult situation of manual lift piston rod under negative pressure state is effectively prevented, setting spray hole can pressure tune
Section, the setting of cutting ring can control sample length, single convoluted seminiferous tubules can be protected to the return-flow system of straight seminiferous tubules, to greatest extent
Save testicular spermatogenic function.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type, the cylinder including being provided with opening, the cylinder top
Stepper motor B is fixedly mounted, the cartridge openings side is connected by a hinge a V-arrangement by fixing piece connection handle, the handle
Mandril, the screw axis A connecting with the stepper motor B are located in the cylinder, and the lower end the screw axis A passes through a connection piece A
It is threadedly coupled with connector B, the lower end the connector B is attached across the lift lever of the cylinder lumen sealed bottom cushion rubber, institute
Mutually perforative through-hole there are three being respectively provided in connector B, the connector A and the promotion club body is stated, is pacified respectively in through-hole
Fill optical fiber, perfusion tube and gas-guide tube；The gas-guide tube connects micro air pump, and the micro air pump connects electromagnetic clutch A,
Between the electromagnetic clutch A and electromagnetic clutch B be arranged one through the center stepper motor A run through axis, the electromagnetism from
Clutch B connection wire rod axis B, the screw axis B are threadedly coupled with the piston core being placed in liquid storing barrel, and piston is fixed on the screw rod
The top axis B；The push rod that bottom is hinged with pincers valve is installed on the outside of the lift lever, the puncture needle A's being connected with the push rod
Needle point side is equipped with the side opening of ellipse, and the cylinder body bottom protrusion is connected with the end sealing of puncture needle B, the lift lever bottom
Portion is also installed by visual part.
The technical characteristics of the utility model further includes that visual part includes light source and object lens.
The technical characteristics of the utility model further includes, the lower end of the optical fiber with it is described in the lift lever jaw
Object lens are connected, and upper end is connect with the eyepiece being pierced by from the cylinder through-hole；The gas-guide tube lower end and setting are in the promotion
Air nozzle connection in the middle part of bar, upper end is connect with the output end for the micro air pump being pierced by from the cylinder through-hole；It is described defeated
The lower end of liquid pipe is connect with the spray nozzle that the lift lever bottom is arranged in, upper end and the liquid storing barrel being pierced by from the cylinder through-hole
Output end connection.
The technical characteristics of the utility model further includes that the lift lever passes through sealing rubber ring and extends to the interior of puncture needle B
Chamber.
The technical characteristics of the utility model further includes that the jaw opening direction of the lift lever bottom is directed at side opening, described
Side opening bottom and the needle point top of puncture needle B constitute an inclined-plane.
The technical characteristics of the utility model further includes being additionally provided with electricity on the puncture needle A inner wall above the side opening
Cut ring.
The technical characteristics of the utility model further includes, and the cartridge openings are protruded into one end of the V-arrangement mandril, the other end with
Spring is also equipped between the handle.
The technical characteristics of the utility model further includes that the push rod top is inclined-plane, with the institute for protruding into the cartridge openings
State V-arrangement mandril end thereof contacts.
The technical characteristics of the utility model further includes that the pincers valve length is identical as the height of the lift lever jaw.
The utility model has the beneficial effects that
1. being provided with visual part in the device, enhancing convoluted seminiferous tubules obtains operation accuracy；
2. the device negative pressure absorbing sample mode of convoluted seminiferous tubules can be become pincers take mode, can it is more accurate effectively
Realize the sampling of single convoluted seminiferous tubules；
3. empty, less than 105 μm of the injection diameter (about 105~250 μm of convoluted seminiferous tubules diameter) that is equipped with hydrojet in lift lever bottom,
Gamete liquid can be sprayed to the tissue of inspiration side opening, convoluted seminiferous tubules is broken up into separation, the pincers convenient for single convoluted seminiferous tubules take, this
Outer spray orifice can also be adjusted by the pressure for extracting gas and filling when gas realizes that convoluted seminiferous tubules extracts, can will be smart when negative pressure
Distal convoluted tubule sucks jaw, and pincers, which take, successfully eliminates negative pressure by air inlet afterwards convenient for sample promotion；
4. convoluted seminiferous tubules pincers take the promotion for successfully realizing sample by motor driven lift lever afterwards, avoids the prior art and exist
The more difficult situation of manual lift piston rod under negative pressure state；
5. being provided with cutting ring in the device, convoluted seminiferous tubule can be cut off in lifting process, and adjusting can be passed through
The distance between cutting ring and puncture needle side opening control sample length, and can protect single convoluted seminiferous tubules returning to straight seminiferous tubules
Streaming system saves testicular spermatogenic function to greatest extent.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Wherein, 1- eyepiece；2- optical fiber；3- cylinder；4- screw axis A；5- connector A；6- connector B；7- fixing piece；
8- handle；9- hinge；10- spring；11-V shape mandril；12- push rod；13- puncture needle A；14- sealing rubber ring；15- puncture needle B；
16- cutting ring；17- clamps valve；18- side opening；19- spray nozzle；20- lift lever；21- light source；22- object lens；23- air nozzle；24- is led
Tracheae；25- micro air pump；26- electromagnetic clutch A；27- stepper motor A；28- runs through axis；29- electromagnetic clutch B；30- screw rod
Axis B；31- piston core；32- piston；33- liquid storing barrel；34- perfusion tube；35- stepper motor B.
Specific embodiment
In order to clearly illustrate the technical characterstic of this programme, the utility model is made with reference to the accompanying drawings and examples
Further instruction.
As shown, a kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type, the cylinder 3 including being provided with opening, institute
It states 3 top of cylinder and stepper motor B35 is fixedly mounted, 3 open side of cylinder connects handle 8, the handle 8 by fixing piece 7
A V-arrangement mandril 11 is connected by hinge 9, the screw axis A4 connecting with the stepper motor B35 is located in the cylinder 3, described
The lower end screw axis A4 is threadedly coupled by a connection piece A5 with connector B6, and the lower end the connector B6 is attached across the cylinder
The lift lever 20 of 3 intracavity bottom sealing rubber rings 14, in 20 shaft of the connector B6, the connector A5 and the lift lever
Setting installs optical fiber 2, perfusion tube 34 and gas-guide tube 24 in through-hole there are three mutually perforative through-hole respectively；The gas-guide tube
24 connection micro air pumps 25, the micro air pump 25 connect electromagnetic clutch A26, the electromagnetic clutch A26 and electromagnetic clutch
One is arranged between device B29 and runs through axis 28, the electromagnetic clutch B29 connection wire rod axis through the center stepper motor A27
B30, the screw axis B30 are threadedly coupled with the piston core 31 being placed in liquid storing barrel 33, and piston 32 is fixed on the screw axis B30
Top；The push rod 12 that bottom is hinged with pincers valve 17 is installed on the outside of the lift lever 20, the puncture being connected with the push rod 12
The needle point side of needle A13 is equipped with the side opening 18 of ellipse, and 3 bottom protrusion of cylinder is connected with the end sealing of puncture needle B15,
20 bottom of lift lever is also installed by visual part.
Particularly, visual part includes light source 21 and object lens 22.
Particularly, the lower end of the optical fiber 2 is connected with the object lens 22 in 20 jaw of lift lever, upper end
It is connect with the eyepiece 1 being pierced by from 3 through-hole of cylinder；24 lower end of gas-guide tube and the spray that 20 middle part of lift lever is set
Gas nozzle 23 connects, and upper end is connect with the output end for the micro air pump 25 being pierced by from 3 through-hole of cylinder；The perfusion tube 34
Lower end connect with the spray nozzle 19 that 20 bottom of lift lever is arranged in, upper end and the liquid storage being pierced by from 3 through-hole of cylinder
The output end connection of bucket 33.
Particularly, the lift lever 20 passes through sealing rubber ring 14 and extends to the inner cavity of puncture needle B15.
Particularly, the jaw opening direction of 20 bottom of lift lever is directed at side opening 18,18 bottom of side opening and puncture
The needle point top of needle B15 constitutes an inclined-plane.
Particularly, cutting ring 16 is additionally provided on the puncture needle A13 inner wall of 18 top of side opening.
Particularly, one end of the V-arrangement mandril 11 protrudes into the cylinder 3 and is open, and also pacifies between the other end and the handle 8
Equipped with spring 10.
Particularly, 12 top of push rod is inclined-plane, is terminated with the V-arrangement mandril 11 1 that the cylinder 3 is open is protruded into
Touching.
Particularly, pincers 17 length of valve is identical as the height of 20 jaw of lift lever.
Technical characteristic of the utility model without description can be achieved by the prior art, and details are not described herein.Certainly, on
Stating bright is not limitations of the present invention, and the utility model is also not limited to the example above, the common skill of the art
Art personnel variation, remodeling, addition or replacement made in the essential scope of the utility model, also should belong to the utility model
Protection scope.
Claims (9)
1. visually single convoluted seminiferous tubules Protractor, the cylinder including being provided with opening, the cylinder top are solid for a kind of pressure-adjusting type
Dingan County fills stepper motor B, and the cartridge openings side is connected by a hinge a V-arrangement top by fixing piece connection handle, the handle
Bar, which is characterized in that the screw axis A connecting with the stepper motor B is located in the cylinder, and the lower end the screw axis A passes through
A connection piece A is threadedly coupled with connector B, and the lower end the connector B is attached across the cylinder lumen sealed bottom cushion rubber
Mutually perforative through-hole there are three being respectively provided in lift lever, the connector B, the connector A and the promotion club body, through-hole
It is middle that optical fiber, perfusion tube and gas-guide tube are installed respectively；The gas-guide tube connects micro air pump, and the micro air pump connects electromagnetism
Clutch A is arranged one and runs through axis, institute through the center stepper motor A between the electromagnetic clutch A and electromagnetic clutch B
Electromagnetic clutch B connection wire rod axis B is stated, the screw axis B is threadedly coupled with the piston core being placed in liquid storing barrel, and piston is fixed on
The top the screw axis B；The push rod that bottom is hinged with pincers valve is installed on the outside of the lift lever, wears with what the push rod was connected
The needle point side of pricker A is equipped with the side opening of ellipse, and the cylinder body bottom protrusion is connected with the end sealing of puncture needle B, described
Lift lever bottom is also installed by visual part.
2. a kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type as described in claim 1, which is characterized in that visual part
Including light source and object lens.
3. a kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type as claimed in claim 2, which is characterized in that the light guide
The lower end of fiber is connected with the object lens in the lift lever jaw, and upper end connects with the eyepiece being pierced by from the cylinder through-hole
It connects；The gas-guide tube lower end is connect with the air nozzle being arranged in the middle part of the lift lever, and upper end is pierced by with from the cylinder through-hole
The micro air pump output end connection；The lower end of the perfusion tube connects with the spray nozzle that the lift lever bottom is arranged in
It connects, upper end is connect with the output end for the liquid storing barrel being pierced by from the cylinder through-hole.
4. a kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type as claimed in claim 3, which is characterized in that the promotion
Bar passes through sealing rubber ring and extends to the inner cavity of puncture needle B.
5. a kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type as claimed in claim 4, which is characterized in that the promotion
The jaw opening direction of bar bottom is directed at side opening, needle point top one inclined-plane of composition of the side opening bottom and puncture needle B.
6. a kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type as claimed in claim 5, which is characterized in that the side opening
Cutting ring is additionally provided on the puncture needle A inner wall of top.
7. a kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type as described in claim 1, which is characterized in that the V-arrangement
The cartridge openings are protruded into one end of mandril, are also equipped with spring between the other end and the handle.
8. a kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type as claimed in claim 7, which is characterized in that the push rod
Top is inclined-plane, with the V-arrangement mandril end thereof contacts for protruding into the cartridge openings.
9. a kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type as described in claim 1, which is characterized in that the pincers valve
Length is identical as the height of the lift lever jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721050783.XU CN209574747U (en) | 2017-08-22 | 2017-08-22 | A kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721050783.XU CN209574747U (en) | 2017-08-22 | 2017-08-22 | A kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209574747U true CN209574747U (en) | 2019-11-05 |
Family
ID=68371890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721050783.XU Expired - Fee Related CN209574747U (en) | 2017-08-22 | 2017-08-22 | A kind of visual single convoluted seminiferous tubules Protractor of pressure-adjusting type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209574747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820513A (en) * | 2021-09-18 | 2021-12-21 | 浙江盛域医疗技术有限公司 | Arm group module for sample adding |
-
2017
- 2017-08-22 CN CN201721050783.XU patent/CN209574747U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820513A (en) * | 2021-09-18 | 2021-12-21 | 浙江盛域医疗技术有限公司 | Arm group module for sample adding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 Termination date: 20200822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |