CN205339009U - Negative pressure endometrium sampler - Google Patents

Negative pressure endometrium sampler Download PDF

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Publication number
CN205339009U
CN205339009U CN201620110295.2U CN201620110295U CN205339009U CN 205339009 U CN205339009 U CN 205339009U CN 201620110295 U CN201620110295 U CN 201620110295U CN 205339009 U CN205339009 U CN 205339009U
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China
Prior art keywords
check valve
cavity
negative pressure
chamber
hollow ball
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Expired - Fee Related
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CN201620110295.2U
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Chinese (zh)
Inventor
薛德娜
张海英
薛德娥
马艺
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薛德娜
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Priority to CN201620110295.2U priority Critical patent/CN205339009U/en
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Publication of CN205339009U publication Critical patent/CN205339009U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a negative pressure endometrium sampler, including the sleeve pipe, sheathed tube top portion is ball top form, overlaps the intraductal baffle that is equipped with, is equipped with a plurality of air vents on the baffle, and the baffle divides the sleeve pipe inner chamber and separates for chamber and the sample chamber of ventilating, the sleeve pipe top is located the one side in sample chamber and has seted up the sample connection, and the lower extreme department in sample chamber is equipped with the ooff valve, the lower tip in chamber of ventilating is equipped with the fixed plate, and the below of fixed plate is equipped with elasticity cavity ball, is equipped with first check valve on the fixed plate, the import of the first check valve chamber of ventilating, and the cavity inner chamber of the export intercommunication elasticity cavity ball of first check valve, the upper end department of elasticity cavity ball is equipped with the second check valve, the cavity inner chamber of the import intercommunication elasticity cavity ball of second check valve, the export of second check valve feeds through the atmosphere. The utility model discloses need not expand the cervix, it is less to the oppression power of patient uterus wall, reduced the uterine damage to the patient, become the stable negative pressure that lasts through continuous extrusion elasticity cavity is spherical, the sample volume is many, and it is effectual to take a sample.

Description

Negative pressure endometrium sampler
Technical field
This utility model relates to technical field of medical instrument, specifically, relates to a kind of negative pressure endometrium sampler.
Background technology
The patients such as doubtful carcinoma of endometrium, Endometrial Diseases need the endometrium sample obtaining patient to carry out pathological examination before making a definite diagnosis, and gynecologist is when doing Endometrial Pathologic inspection at present, mostly it is that the mode adopting dilatation and curettage of uterine is sampled, it mostly is during dilatation and curettage of uterine to adopt metal biopsy endometrial curette, scrape head in digging spoon shape or spoon-shaped, during operation, by biopsy endometrial curette along bottom cervix uteri direction insertion cervix uteri to palace, it is close to palace wall to scrape from top to bottom, obtains endometrium specimen.The method that existing this employing biopsy endometrial curette carries out Endometrial sampling there is problems in that one, uterine curet bore is big, needs expansion cervix mouth, cause very big misery to patient, and easily cause cervical lesions before dilatation and curettage of uterine;Two, using and need medical operator firmly relatively big during curet, curet is relatively big to the oppressive force of Uterus wall, and the damage of Uterus wall is relatively big, hemorrhage many, patient suffering is big, more seriously, if medical worker's misoperation, easily cause patient uterine's perforation, cause massive hemorrhage, cause life danger.For above-mentioned situation, now it is frequently used a kind of endometrium sampler, adopts trocar sheath more, trocar sheath is provided with multiple sucker, being provided with piston in trocar sheath, can form negative pressure by piston up-down and obtain endometrium, advantage is that its caliber is little, do not need cervix dilating, damaging little, patient suffering is little, and shortcoming is that negative pressure is little and unstable, obtaining internal film tissue's amount few, sampling limitation is not comprehensive.
Utility model content
Technical problem to be solved in the utility model is: provides a kind of and samples the negative pressure endometrium sampler effective, patient trauma is little.
For solving above-mentioned technical problem, the technical solution of the utility model is:
Negative pressure endometrium sampler, including sleeve pipe, the top ends of described sleeve pipe is top dome shape, and along the dividing plate that is axially arranged with of described sleeve pipe in described sleeve pipe, described dividing plate is provided with multiple passage, and cannula cavity is divided into venting cavity and sampling cavity by described dividing plate;
Described cannula tip is positioned at the side of described sampling cavity and offers sample tap, and the lower end of described sampling cavity is provided with switch valve;
The bottom of described venting cavity is provided with fixing plate, described fixing plate be connected with elastic hollow ball, described fixing plate is provided with the first check valve, venting cavity described in the inlet communication of described first check valve, the hollow cavity of elastic hollow ball described in the outlet of described first check valve, the upper end of described elastic hollow ball is provided with the second check valve, the hollow cavity of elastic hollow ball described in the inlet communication of described second check valve, the outlet air of described second check valve.
Preferably, described elastic hollow ball medial wall is provided with some layers of surge layer.
Preferably, described surge layer upper and lower surface is downward-sloping.
After have employed technique scheme, the beneficial effects of the utility model are:
Negative pressure endometrium sampler of the present utility model, dividing plate offers some passages, this kind of structure is arranged, when using negative pressure endometrium sampler of the present utility model to be sampled, in venting cavity, produce negative pressure by constantly extruding elastic hollow ball, then in sampling cavity, form negative pressure by passage, so that sample tap is close to Uterus wall, it is beneficial to absorption inner membrance, the internal film tissue drawn is sucked in sampling cavity simultaneously.When specifically used, medical operator is after putting into patient uterine chamber by negative pressure endometrium sampler, medical operator pinches elastic hollow ball, then loosens elastic hollow ball, and making elastic hollow ball is negative pressure state, now, under the effect of negative pressure, the hole on sampling cavity top is close to Uterus wall, upper and lower pull sleeve pipe, part internal film tissue will be drawn and take off, and draws the patient uterine internal film tissue got off simultaneously and absorb to sampling cavity under suction function.Constantly extrude elastic hollow ball and rotate the suction of multiple angle, completing sampling process.The tissue obtained is taken out by the switch valve of sampling cavity lower end.Sampled by this kind of mode, do not need expansion cervix, medical operator is exerted oneself less, the oppressive force of the Uterus wall of patient is less, greatly reduce the damage to patient uterine, alleviate the misery of patient, and formed by constantly extruding elastic hollow ball and stablize lasting negative pressure, sampling amount is many, samples effective.Wherein, the setting of the first check valve, it is possible to prevent when pinching elastic hollow ball, gas or dirt in elastic hollow ball drive in the wrong direction and enter venting cavity, enter back into sampling cavity, pollute Endometrial sampling or patient uterine is caused infection.The setting of the second check valve on elastic hollow ball, ensure that gas flows outwardly from uterine cavity direction one direction, it is effectively prevented in the uterine cavity that air blow back enters patient, avoid because sampling operation causes patient's uterine cavity to infect, also ensure that the persistence of negative pressure and stability simultaneously, ensure the safety of patient uterine's inner membrance sampling operation.In a word, negative pressure endometrium sampler of the present utility model, formed stablize lasting negative pressure by constantly extruding elastic hollow ball, sampling amount is many, samples effective.
In this utility model, elastic hollow ball medial wall is provided with some layers of surge layer.Surge layer upper and lower surface is downward-sloping, it is prevented that blood and slime is built up in elastic hollow ball, and the second check valve is arranged on the upper end of elastic hollow ball, away from the blood and slime being likely to accumulation, it is prevented that when extruding, blood and slime overflows and produces to pollute.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is the structural representation of negative pressure endometrium sampler of the present utility model;
Fig. 2 is the structural representation of the dividing plate in Fig. 1;
In figure: 1, sleeve pipe;11, sampling cavity;12, venting cavity;13, sample tap;2, dividing plate;21, passage;3, fixing plate;4, the first check valve;5, elastic hollow ball;51, surge layer;6, the second check valve;7, switch valve.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
Seeing figures.1.and.2, the negative pressure endometrium sampler of the present embodiment, including sleeve pipe 1, the top ends of sleeve pipe 1 is top dome shape, being axially arranged with dividing plate 2 along sleeve pipe 1 in sleeve pipe 1, dividing plate 2 is provided with multiple passage 21, and the inner chamber of sleeve pipe 1 is divided into venting cavity 12 and sampling cavity 11 by dividing plate 2.
Sleeve pipe 1 top is positioned at the side of sampling cavity 11 and offers sample tap 13, and the lower end of sampling cavity 11 is provided with switch valve 7.
The bottom of venting cavity 12 is provided with fixing plate 3, that fixes plate 3 is connected with elastic hollow ball 5, fixing plate 3 is provided with the first check valve 4, the inlet communication venting cavity 12 of the first check valve 4, the hollow cavity of the outlet elastic hollow ball 5 of the first check valve 4, the upper end of elastic hollow ball 5 is provided with the second check valve 6, the hollow cavity of the inlet communication elastic hollow ball 5 of the second check valve 6, the outlet air of the second check valve 6.
Negative pressure endometrium sampler of the present utility model, dividing plate 2 offers some passages 21, this kind of structure is arranged, when using negative pressure endometrium sampler of the present utility model to be sampled, in venting cavity 12, produce negative pressure by constantly extruding elastic hollow ball 5, then in sampling cavity 11, form negative pressure by passage 21, so that sample tap is close to Uterus wall, it is beneficial to absorption inner membrance, the internal film tissue drawn is sucked in sampling cavity 11 simultaneously.When specifically used, medical operator is after putting into patient uterine chamber by negative pressure endometrium sampler, medical operator pinches elastic hollow ball 5, then loosens elastic hollow ball 5, makes elastic hollow ball 5 in negative pressure state, now, under the effect of negative pressure, the hole on sampling cavity 11 top is close to Uterus wall, upper and lower pull sleeve pipe, part internal film tissue will be drawn and take off, and draws the patient uterine internal film tissue got off simultaneously and absorb to sampling cavity 11 under suction function.Constantly extrude elastic hollow ball 5 and rotate the suction of multiple angle, completing sampling process.The tissue obtained is taken out by switch valve 7 place of sampling cavity 11 lower end.Sampled by this kind of mode, do not need expansion cervix, medical operator is exerted oneself less, the oppressive force of the Uterus wall of patient is less, greatly reduce the damage to patient uterine, alleviate the misery of patient, and formed by constantly extruding elastic hollow ball 5 and stablize lasting negative pressure, sampling amount is many, samples effective.Wherein, the setting of the first check valve 4, it is possible to prevent when pinching elastic hollow ball 5, gas or dirt in elastic hollow ball 5 drive in the wrong direction and enter venting cavity 12, enter back into sampling cavity 11, pollute Endometrial sampling or patient uterine is caused infection.The setting of the second check valve 6 on elastic hollow ball 5, ensure that gas flows outwardly from uterine cavity direction one direction, it is effectively prevented in the uterine cavity that air blow back enters patient, avoid because sampling operation causes patient's uterine cavity to infect, also ensure that the persistence of negative pressure and stability simultaneously, ensure the safety of patient uterine's inner membrance sampling operation.In a word, negative pressure endometrium sampler of the present utility model, formed stablize lasting negative pressure by constantly extruding elastic hollow ball, formed and stablize lasting negative pressure, sampling amount is many, samples effective.
In this utility model, elastic hollow ball 5 medial wall is provided with some layers of surge layer 51.Surge layer 51 upper and lower surface is downward-sloping, it is prevented that blood and slime is built up in elastic hollow ball 5, and the second check valve 6 is arranged on the upper end of elastic hollow ball 5, away from the blood and slime being likely to accumulation, it is prevented that when extruding, blood and slime overflows and produces to pollute.
In this utility model, passage 21 diameter on dividing plate 2 is less, the scope of optional 0.1 to the 1mm of diameter, can ventilate, but the liquid such as a small amount of blood and slime enter venting cavity 12 possibly through passage 21, then elastic hollow ball 5 is entered by the first check valve 4, when extruding elastic hollow ball, for preventing the liquid such as blood and slime from overflowing, the surge layer 51 in elastic hollow ball 5 indoor design, and the second check valve 6 is away from bottom elastic hollow ball 5, design, on the top of elastic hollow ball 5, effectively prevent blood and slime and overflows.And passage 21 diameter on dividing plate 2 is less, diameter selects the scope of 0.1 to 1mm, it is possible to prevent the endometrial tissue that sample tap takes off from entering venting cavity 12 through passage 21.
The above is the citing of this utility model preferred forms, and the part wherein do not addressed in detail is the known general knowledge of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology of the present utility model enlightenment, also within protection domain of the present utility model.

Claims (3)

1. negative pressure endometrium sampler, it is characterized in that: include sleeve pipe, the top ends of described sleeve pipe is top dome shape, is axially arranged with dividing plate along described sleeve pipe in described sleeve pipe, described dividing plate is provided with multiple passage, and cannula cavity is divided into venting cavity and sampling cavity by described dividing plate;
The top of described sleeve pipe is positioned at the side of described sampling cavity and offers sample tap, and the lower end of described sampling cavity is provided with switch valve;
The bottom of described venting cavity is provided with fixing plate, described fixing plate be connected with elastic hollow ball, described fixing plate is provided with the first check valve, venting cavity described in the inlet communication of described first check valve, the hollow cavity of elastic hollow ball described in the outlet of described first check valve, the upper end of described elastic hollow ball is provided with the second check valve, the hollow cavity of elastic hollow ball described in the inlet communication of described second check valve, the outlet air of described second check valve.
2. negative pressure endometrium sampler according to claim 1, it is characterised in that: described elastic hollow ball medial wall is provided with some layers of surge layer.
3. negative pressure endometrium sampler according to claim 2, it is characterised in that: described surge layer upper and lower surface is downward-sloping.
CN201620110295.2U 2016-02-03 2016-02-03 Negative pressure endometrium sampler Expired - Fee Related CN205339009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620110295.2U CN205339009U (en) 2016-02-03 2016-02-03 Negative pressure endometrium sampler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620110295.2U CN205339009U (en) 2016-02-03 2016-02-03 Negative pressure endometrium sampler

Publications (1)

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CN205339009U true CN205339009U (en) 2016-06-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105496473A (en) * 2016-02-26 2016-04-20 四川大学华西医院 Novel thyroid needle biopsy device
CN105520757A (en) * 2016-02-03 2016-04-27 薛德娜 Negative-pressure endometrial sampling device
CN107536627A (en) * 2017-09-12 2018-01-05 孙永 A kind of Gynecological cervical disease examination sampler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105520757A (en) * 2016-02-03 2016-04-27 薛德娜 Negative-pressure endometrial sampling device
CN105496473A (en) * 2016-02-26 2016-04-20 四川大学华西医院 Novel thyroid needle biopsy device
CN107536627A (en) * 2017-09-12 2018-01-05 孙永 A kind of Gynecological cervical disease examination sampler

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160629

Termination date: 20200203

CF01 Termination of patent right due to non-payment of annual fee