Epididymis/testicular needle aspiration deviceTechnical field
The invention belongs to medical instruments fields, more particularly to a kind of epididymis/testicular needle aspiration device, it can also be used to itsThe drainage of hetero-organization/tissue fluid materials and hydrops, empyema.
Background technique
In recent years, Treatment of azoospermia increased significantly with the low patient of spermatogenesis, this some patients is because making a livingEssence function is low, and the epididymitis, the prostatitis, seminal vesiculitis that occur together, and the success rate for implementing reconstruction art is very low,Therefore, epididymis or testicular needle aspiration are selected, implements assisted reproductive technology to help pregnant treatment to be most effective means, and epididymis orIt is that Assisted Reproductive Techniques Treatment is successfully crucial that person's testicular biopsy, which gets sufficient high-quality sperm,.
Existing epididymis/testicular biopsy or biopsy device are mainly two kinds: (1) one is with syringe and children scalp needle orSyringe needle is connected, this mode need 2 people or the above compounding practice of 2 people that can complete (i.e. people's both hands operation is continuousNegative pressure is given in suction, and the fixed testis/epididymis of a people will also fix scalp acupuncture/syringe needle, exist and accidentally injure assistant's risk；This modeSince scalp acupuncture/syringe needle is tiny it occur frequently that blocking, moreover, because syringe needle/scalp acupuncture it is tiny coincide between tissue it is incomplete,Cause draw epididymis/testis in sperm and tissue it is very few, generally require repeatedly puncture draw.(2) another kind is biopsy needle, biopsyRifle, biopsy forceps, there are the following problems for this mode: first, epididymis cannot be punctured.Second, the tissue that biopsy needle, cell taking gun are gotLimited, often fan the air rifle, needs repeatedly to puncture；And the surface of a wound of biopsy forceps is big, damages larger.There is operation in current two waysDifficulty is big, have accidental injury assistant's risk, acquirement tissue/sperm is insufficient or wound is big, repeatedly puncture increase patient suffering etc. lacksPoint.
Chinese patent application CN201721106555.X " a kind of testis hard-cover is taken to set ", including cylinder and puncture needle are punctured, it wearsNegative pressure device built in cylinder is pierced, which can individually complete to puncture in the case where one carries situation takes essence.But there are following for the deviceShortcoming, the device puncture needle use No. 5 or No. 7 detachable needles, first is that syringe needle is tiny it occur frequently that blocking；Second is that due toSyringe needle it is tiny tissue between coincide not exclusively, cause draw epididymis/testis in sperm and tissue it is very few, generally require repeatedly to wearPiercing and sucking takes；Third is that puncture needle only has first hole of needle, the limited tissue of sucking, required group could be drawn by generally requiring repeatedly to punctureIt knits；Fourth is that fixed testis/epididymis needs a hand, as soon as fixed needle needs a hand, operation punctures the built-in negative pressure device of cylinderPersonnel are needed to assist, one man operation is easy to cause syringe needle to fall off.
Summary of the invention
The purpose of the present invention is to existing testis/epididymis punctures, and hard-cover to be taken to set existing shortcoming, provides one kindEasy to operate, stability is good, one the operable testis/epididymis puncture being convenient for carrying takes hard-cover to set.
The technical solution of the present invention is as follows: a kind of epididymis/testicular needle aspiration device, the epididymis/testicular needle aspirationDevice includes the fixation bracket for installing testis fixer, puncture needle fixer and four-way connection fixator, band cutting inner coreThe puncture needle of push type rotation, adjustable negative-pressure aspirator, adjustable syringe pump and squeezable small container with a scale, rear fourIt is connected by four-way connection with transparent hose.
The fixed bracket material is stainless steel, is made of pedestal and cradling piece, cradling piece is bolted on pedestalOn, detachably.The testis fixer includes the interior stainless steel testis folder (adjustable size) with latex mattress and adjustable connectionBar, by being fastened on bracket；Ultrasonic-B probe fixing clamp is set on testis fixing clamp, is positioned using B ultrasound, is operated more smartCarefully, accurately.The puncture needle fixer is fixed on bracket by needle holder combination adjustable connecting rod.The four-way connection is solidDevice is determined by fixing clamp combination adjustable connecting rod, is fixed on bracket.The piercing needle is by outer layer sleeve and cutting inner core groupAt；The outer layer sleeve is stainless steel material, and syringe needle opening is inclined-plane, and needle end setting is in three side openings, backshank side opening；InstituteStating cutting inner core is the ultra-thin inner core of bilinearity, and material is stainless steel or alloy material, is close to outer layer sleeve inner wall, in bilinearityCore combination tail portion connecting rod is fixed on outer layer sleeve tail portion by connector, rotator is installed in connector, with end press handleConnect.The adjustable negative-pressure aspirator is connected by hose, four-way connection with puncture needle, and the pressure value of vacuum extractor is pressedIt is adjusted according to actual needs by panel.The adjustable syringe pump is trace regulation pump, and inside can fix 5ml syringe, is injectedAmount and injection rate can be set according to actual needs.The squeezable small container with a scale is transparent disposable plastic systemProduct can pour out extraction object by squeezing for collecting extract.The four-way connection is the four of each opening band interface open and close deviceIt is logical, interface is opened when needing, down interface when not needing.
The invention has the following beneficial effects:
(1) present apparatus all parts are detachable, combine as required, and easy to operate after assembling, easy to carry, one can graspMake, save human resources, reduces medical assistant and accidentally injure.
(2) present apparatus piercing needle is designed as the piercing needle with cutting inner core, and outer layer sleeve is under negative pressure state, tipOpening and three side openings can suck in a organized way, and cutting inner core is cut in time by pressing rotation, crushes tissue, under negative pressure stateIt is discharged in time by tail end.Cutting core designs are the ultra-thin inner core of bilinearity, can effectively cut sucking tissue, and do not influence groupIt knits and is discharged in time by casing, have crushing function of organization under rotation status, effectively prevent plugging.
(3) present apparatus punctures object and can cut in time, flows out to small container with a scale by negative pressure, small container can take at any timeUnder, inspection keeps sample, and one-time puncture can obtain required sperm or tissue, avoids pulling out needle repeatedly, puncture, reduces wound and patientPain.
(4) present apparatus vacuum extractor adjusts pressure value by observation, as required, by panel, has liberated both hands, has solvedIt has determined using the excessive stifled syringe needle of swabbing pressure, the pressure too small embarrassment that can not inhale sperm or tissue when syringe.
(5) 5ml syringe can be fixed inside the adjustable syringe pump of the present apparatus, injection rate and injection rate can be according to practical needIt sets, dilution/flushing liquor can be injected at any time, dilute, rinse sticky sperm or machine tissue or blood clot, avoid drawing objectIt is excessively sticky, it can not draw.
(6) open and close device is arranged in each interface of present apparatus four-way connection, opens when needing, closing when not needing avoids pipelineBetween influence each other.
(7) the squeezable small container with a scale of the present apparatus is transparent plastic disposable product, can observe at any time and draw objectProperty and uptake, pick up absorption object in time, and timely inspection keeps sample.
(8) present apparatus testis is fixed using latex mattress is padded in stainless steel clamp, avoids clip matter from damaging testis firmly, and conveniently tear openIt unloads, clean, sterilize, reuse；Ultrasonic-B probe fixing clamp is set on testis fixing clamp, is positioned using B ultrasound, operation is finer,Accurately.
(9) present apparatus is provided with adjustable puncture needle fixer, and one-time puncture is fixed, and avoids run-bake-needle fault, syringe needle mobile or wearsIt pierces too deep；Adjustable four-way connection fixator is set, connects fixation, each unit interface is avoided to fall off or loosen.
Detailed description of the invention
Fig. 1 is epididymis of the invention/testicular needle aspiration device-added structure schematic diagram.
Fig. 2 is the fixation support schematic diagram of invention.
Fig. 3 is puncture needle schematic diagram of the invention.
Fig. 4 is puncture needle trochar schematic diagram of the invention.
Fig. 5 is puncture needle cutting inner core schematic diagram of the invention.
Fig. 6 is another epididymis/testicular needle aspiration apparatus structure schematic diagram of the invention.
It is as Figure 1-Figure 5: 1. puncture needles；2. four-way connection；3. adjustable syringe pump；4. syringe；5. adjustable notePenetrate pump display panel；6. adjustable syringe pump setting button；7. vacuum extractor；8. vacuum extractor display panel；9. negative pressureAspirator setting button；10. four-way connection open and close device；11. small container with a scale；12. connecting transparent hose；13. testis is fixedFolder；The super probe fixing clamp of 14.B；15. testis fixing clamp adjuster；16. cradling piece；17. adjustable four-way connection fixator is consolidatedFixed pole；18. the fixed link of adjustable puncture needle fixer；19. the fixing clamp of four-way connection fixator；20. puncture needle is fixedDevice；21. the pedestal of fixed frame；22. adjustable fixer；23. puncture needle tip is open；24. needle tip end side hole；25. wearingPricker circumgyration incision inner core；26. cutting inner core bilinearity blade；27. cutting the linear blade fixed link of inner core；28. cutting inner coreWith press handle connector；29. circumgyration incision inner core press handle；30. circumgyration incision inner core rotator；31. puncture needle uropore.
It is as shown in Figure 6: 32. puncture needles；33. four-way connection；34. adjustable syringe pump；35. syringe；36. adjustable notePenetrate pump display panel；37. adjustable syringe pump setting button；38. vacuum extractor；39. vacuum extractor display panel；40.Vacuum extractor setting button；41. four-way connection open and close device；42. small container with a scale；43. transparent hose.
Specific embodiment
A specific embodiment of the invention combination attached drawing is illustrated.
The first step, as shown in Figure 1, 2, epididymis/testicular needle aspiration device, including for installing testis fixing clamp 13, wearingThe cradling piece 16 of pricker fixator 20 and four-way connection fixator 2, the puncture needle 1 with cutting inner core (push type rotation) is adjustableFormula vacuum extractor 7, adjustable syringe pump 3 and squeezable small container with a scale 11.By connection transparent hose 12 punctureNeedle 1, four-way connection 2, adjustable syringe pump 3(mounting of syringe 4), vacuum extractor 7 and small container with a scale 11 be connected toTogether.
Fixed bracket is in use, cradling piece 16 is bolted on the pedestal 21 of fixed frame；Then testis is installedFixing clamp 13, Ultrasonic-B probe fixing clamp 14, testis fixing clamp adjuster 15.In use, adjusting adjustable fix according to position of testesDevice 22 is fixed again after being adjusted to suitable position；The fixed link 18 of puncture needle fixer, the needle holder of puncture needle fixer is adjusted20 are connected with the fixing clamp 19 of the fixed link 17 of adjustable four-way connection fixator, four-way connection fixator, adjust fixator22 be adjusted to suitable position after fix again.
Or as shown in fig. 6, by connection transparent hose 43 puncture needle 32, four-way connection 33, adjustable syringe pump 34(mounting of syringe 35), vacuum extractor 38, small container with a scale 42 link together.
Second step, aspirates tissue or liquid: after completing aforementioned first process step, puncture needle 1 is fixed after puncturing into suitable position；Four-way connection open and close device 10 opens vacuum extractor and small container interface with a scale, closes injection pump interface；Vacuum suction is setThe pressure of device 7 is arranged by vacuum extractor setting button 9, and vacuum extractor display panel 8 shows that (epididymis punctures pressure to pressureForce value is set as 10-80mmHg, and testicular biopsy pressure value is set as 60-150mmHg)；Circumgyration incision inner core press handle 29 is pressed, is passed throughThe pressure conversion of circumgyration incision inner core rotator 30, puncture needle circumgyration incision inner core 25 rotates, under negative pressure state, puncture needle 1Tip inlets 23 and three side openings 24 can the sucking of organized or tissue fluid, the ultra-thin inner core 26 of bilinearity rotates cuts group in timeKnit, pass through puncture needle uropore 31 in time be discharged, so that it may observe small container 11(with a scale or 42) in flow into draw tissue orTissue fluid, amount can remove small container with a scale as needed, and vacuum extractor 7 and four-way connection open and close device 10 are closed when removingSmall container interface with a scale.
Third step, injection flushing liquor or drug: after completing above-mentioned first step, puncture needle 1 is punctured into after suitable position admittedlyIt is fixed；Four-way connection open and close device 10 opens injection pump interface, closes vacuum extractor and small container interface with a scale；It is arranged adjustableThe pressure value (pressure value is generally set to 10-80mmHg) and injection speed (1-5ml/ minutes) of syringe pump 3, pass through adjustable injectionSetting button 6 is pumped to be arranged, adjustable syringe pump display panel 5 shows pressure and injection speed, in syringe 4 for flushing liquor orThe drug etc. of injection；It draws, injection can be repeated several times according to actual needs.
Above-described embodiment only illustrates one embodiment of the principle of the present invention and its effect, and those skilled in the art can beWithout prejudice under mental condition of the invention, the scope of the present invention is belonged to the equivalent replacement of above-mentioned implementation.