CN208756114U - A kind of oocyte collector - Google Patents

Abstract

The utility model discloses a kind of oocyte collector, the collector includes taking ovum device, negative pressure device and ovum collection device, it is described that ovum device is taken to connect by the first connection hose with negative pressure device, it is described take ovum device pass through respectively the second connection hose and third connection hose connect with ovum collection device, it is described to take ovum device including taking ovum needle handle, push button ventilation switch and puncture needle, the push button ventilation switch, which is set to, to be taken on ovum needle handle, and the puncture needle is set to the bottom end for taking ovum needle handle.The device is in operation, one medical worker can be operated with one hand with the right hand takes ovum needle, it completes to puncture, ovum is taken to act, left hand after liberation can just operate B-ultrasound probe, realize single right-hand man's co-ordination, it avoids more people from operating uncoordinated, nonsynchronous problem between each other, improves working efficiency.The apparatus structure is simple, easy to use, easy to operate and safe, greatly reduces production cost, is suitble to promote the use of in hospital.

Description

A kind of oocyte collector

Technical field

The utility model relates to a kind of oocyte collectors, belong to medical equipment technical field.

Background technique

Today's society, due to work rhythm quickening and work competitive pressure continuous enhancing, and it is various other because Under the combined influence of element, patient's self reason is added, the number of infertile patient increasingly increases.With flying for assisted reproductive technology Speed development, test-tube baby rely on high-end technical guarantee and rigorous scientific procedure, increasingly obtain numerous infertile Mr. and Mrs Favor, but more stringent requirements are proposed for operation of this growing demand to ova harvest, method general at present It is to take ovum needle transvaginal puncture to enter ovary absorption ovum, this process patient using disposable under the guidance of ultrasonic wave Very pain often needs calm or anesthesia, and has vein, vagina, destroying in overy bleeding and postoperative bellyache and pelvic cavity is secondary Infection.

Existing cellular collector cannot be used for one-handed performance, be to usually require a few doctor associations in the actual operation process It could be completed with cooperation, existing to take ovum needle syringe needle exposed, puncture needle is elongated, be easy to cause during inserted into the patient It stabs, leads to bleeding and abdominal pain, making patients' pain, and exposed syringe needle is subject to air pollution.The ovum of existing ova harvest Sub- collector heat insulation effect is bad, and easy uneven heating is even, brings adverse effect to the ovum flowed through in puncture needle and hose. Existing to take ovum needle syringe needle exposed, puncture needle is elongated, be easy to cause and stabs during inserted into the patient, leads to bleeding and abdomen Bitterly, making patients' pain, and exposed syringe needle is subject to air pollution.

Summary of the invention

The purpose of this utility model is exactly to solve the above problems, to provide a kind of oocyte collector.

The utility model realizes that the technical solution of above-mentioned purpose is: a kind of oocyte collector, including ovum is taken to fill It sets, negative pressure device and ovum collection device, it is described that ovum device is taken to connect by the first connection hose with negative pressure device, it is described to take ovum Device passes through the second connection hose respectively, and (and third connection hose is connect with ovum collection device, described to take ovum device including taking Ovum needle handle, push button ventilation switch and puncture needle, the push button ventilation switch, which is set to, to be taken on ovum needle handle, the puncture Needle is set to the bottom end for taking ovum needle handle.

Preferably, described take in ovum needle handle is additionally provided with connecting shaft, and the first spring detent is provided in the connecting shaft With second spring detent, third spring detent and the 4th spring detent, institute are provided on the two sides inner wall for taking ovum needle handle The width that third spring detent is equal to connecting shaft to the distance of the 4th spring detent is stated, is arranged with spring in the connecting shaft, institute The one end for stating spring is abutted with the first spring detent and second spring detent, the other end and third spring detent and the 4th Spring Card Position abuts, and is provided with a T-connection below the connecting shaft, and the puncture needle is set to the lower section of T-connection, punctures Needle tip portion is pierced by via taking the through-hole of ovum needle handle, at its lower end.

Preferably, offer a notch on the side side wall for taking ovum needle handle, shifting block be fixedly arranged in connecting shaft and with Second spring detent gap setting, shifting block extend to the outside for taking ovum needle handle by the notch from the side of connecting shaft.

Preferably, the side of ovum needle handle is taken to offer first through hole, T-connection is passed through in one end of the 4th connection hose It is set to inside puncture needle, the other end is connect by the through-hole with third hose coupling, the third hose coupling and the Two connection hose connections, the lower part for taking ovum needle handle is provided with rubber seal cap.

Preferably, the push button ventilation switch is set to the upper end for taking ovum needle handle side wall, and the push button ventilation is opened Closing includes a button shell, is provided with button stator and button movable plate in the button shell body, on the side wall of the button shell A through-hole is offered, push button shaft is arranged in the through-hole, and button spring, the provided at one of push button shaft are arranged in the push button shaft One is connected with by cap, the other end is connected with button movable plate, the button stator and button movable plate gap setting, the button movable plate The side of button stator is provided with movable plate sealing ring, it is close that the side of button stator towards the button movable plate is provided with stator Seal.

Preferably, the button stator is a ring structure, and the button movable plate is a circular configuration, the button stator Internal diameter be less than the button movable plate outer diameter.

Preferably, the upper end of the push button ventilation switch is offered respectively for soft with the first hose coupling and second One end of the through-hole of tube connector intercommunication, the first connection hose passes through the first hose coupling and push button ventilation switch phase Logical, the other end of the first connection hose runs through the first silica gel plug, and silica gel plug, the other end are run through in one end of the third connection hose Communicated by the second hose coupling with push button ventilation switch, second connection hose one end by third hose coupling with Ovum needle handle is taken to communicate, the other end of the second connection hose runs through silica gel plug.

Preferably, the ovum collection device includes test tube collector, rack for test tube and for clogging test tube collector bottleneck Silica gel plug, third connection hose and the second connection hose run through the silica gel plug, the test tube collector and rack for test tube Between be provided with thermostat, the thermostat is a cavity body structure, is contained with liquid, the test tube in the cavity body structure Collector is infiltrated in the intracorporal liquid of thermostat chamber.

Preferably, the positive side of test tube collector is provided with two-dimension code area, and the display terminal is display screen.

Preferably, the front end of the puncture needle is equipped with ultrasonic wave and identifies that line, the axial length of the ultrasonic wave identification line are 4mm-30mm。

The advantages of technical solutions of the utility model is mainly reflected in: in operation, a medical worker uses the device The right hand, which can be operated with one hand, takes ovum needle, completes to puncture, ovum is taken to act, and left hand after liberation can just operate B-ultrasound spy Head realizes single right-hand man's co-ordination, and more people is avoided to operate uncoordinated, nonsynchronous problem between each other, improves work effect Rate.The apparatus structure is simple, easy to use, easy to operate and safe, greatly reduces production cost, is suitble to promote in hospital It uses.

Puncture needle head uses concealed design, and puncture needle head release is punctured rubber again after reaching internal ideal position Capsule, and then implement puncturing tissue and take ovum, syringe needle retracts after taking ovum, and whole process not will cause needle point and accidentally injure patient, and hidden Concealed syringe needle is not easy to be contaminated.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness to those skilled in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of overall structure diagram of oocyte collector of the utility model.

Fig. 2 is that a kind of oocyte collector of the utility model takes ovum needle construction schematic diagram.

Fig. 3 is that a kind of oocyte collector of the utility model takes ovum needle needle portion enlarged drawing.

Fig. 4 is a kind of push button ventilation switch schematic enlarged-scale view of oocyte collector of the utility model.

Appended drawing reference in figure are as follows: 1--- takes ovum device, 2--- negative pressure device, 3--- ovum collection device, 100--- first Hose, the connection hose of 200--- second are connected, 300--- third connects hose, the connection hose of 400--- the 4th, and 11--- takes ovum needle Handle, 12--- push button ventilation switch, 13--- puncture needle, 130--- ultrasonic wave identify line, 31--- test tube collector, 32--- Rack for test tube, 33--- silica gel plug, 34--- thermostat, 35--- two-dimension code area, 4--- connecting shaft, the first Spring Card of 41--- Position, 42--- second spring detent, 43--- third spring detent, the 4th spring detent of 44---, 45--- spring, 46--- shifting block, 5---T shape connector, 6--- third hose coupling, 7--- seal cap, the first hose coupling of 8---, the second hose of 9--- connect Connect device.

Specific embodiment

The purpose of this utility model, advantage and feature will carry out figure by the non-limitative illustration of preferred embodiment below Show and explains.These embodiments are only the prominent examples using technical solutions of the utility model, all to take equivalent replacement or wait Effect transformation and formed technical solution, all fall within the requires of the utility model protection within the scope of.

In the description of the present invention, it should be noted that unless otherwise specific regulation or limiting, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be and be directly connected to, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Not constituting conflict can be combined with each other.

The utility model discloses a kind of oocyte collector, as depicted in figs. 1 and 2, including takes ovum device 1, negative pressure Device 2 and ovum collection device 3.It is described that ovum device 1 is taken to connect by the first connection hose 100 with negative pressure device 2, it is described to take ovum Device 1 connects hose 300 by the second connection hose 200 and third respectively and connect with ovum collection device 3, second connection Hose 200 is for transmitting object to be drawn, and third connection hose 300 is for transmitting negative pressure, and in the technical scheme, described first connects Connect hose 100, second and connect hose 200 and connect hose 300 with third and be an integrally-molded by macromolecule medical plastic, In technical solution, the negative pressure device is negative pressure bottle.

Further, described to take ovum device 1 including taking ovum needle handle 11, push button ventilation switch 12 and puncture needle 13, institute It states push button ventilation switch 12 and is set to and take on ovum needle handle 11, specifically, in the technical scheme, the push button ventilation is opened It closes 12 and is preferably provided at the upper end for taking ovum needle handle side wall, which is set to the position convenient for medical worker Facilitate in operation and pressing operation is carried out to the push button ventilation switch, push button ventilation switch may also set up in taking ovum needle The middle part of handle side wall in the technical program, does not do the setting position of push button ventilation switch specifically defined.The puncture Needle 13 is set to the bottom end for taking ovum needle handle 11, and specifically, the bottom end middle position for taking ovum needle handle 11 offers a use In the perforative through-hole of puncture needle, the tip portion of puncture needle is pierced by ovum needle handle by the through-hole from taking, the through-hole it is big The small width with puncture needle matches, and the purpose of the setting is firmly set to convenient for puncture needle to be taken on ovum needle handle.

Described take in ovum needle handle 11 is additionally provided with connecting shaft 4, and 41 He of the first spring detent is provided in the connecting shaft Second spring detent 42, specifically, in the technical scheme, the first spring detent and second spring detent are preferably symmetrical The two sides of the connecting shaft are opened in, the first spring detent and the size of second spring detent, shape are consistent.

It is provided with third spring detent 43 and the 4th spring detent 44 on the two sides inner wall for taking ovum needle handle, described The distance of three spring detents 43 to the 4th spring detent 44 is equal to the width of connecting shaft 4, is arranged with spring in the connecting shaft 4 45, one end of the spring is abutted with the first spring detent 41 and second spring detent 42, the other end and third spring detent 43 It is abutted with the 4th spring detent 44, is provided with a T-connection 5 below the connecting shaft, the puncture needle 13 is set to T shape The lower section of connector 5, puncture needle tip portion is via taking the through-hole of ovum needle handle, at its lower end to be pierced by, in the technical scheme, the T Shape connector is preferably the underface for being fixedly arranged at connecting shaft, the T-connection also movable connection or threaded connection It is set to the lower section for taking connecting shaft, in the technical program, the connection type of T-connection is not done specifically defined.It is described to wear Pricker is fixedly arranged at the lower section of T-connection, and the connecting shaft, T-connection, puncture needle are set in same axial direction, T Ovum collection device is attached by shape connector with ovum device is taken.

Offer a notch on the side side wall for taking ovum needle handle, shifting block 46 be fixedly arranged in connecting shaft and with the second bullet Spring detent gap setting, shifting block extend to the outside for taking ovum needle handle by the notch from the side of connecting shaft.

As shown in figure 3, the side of ovum needle handle is taken to offer first through hole, T shape is passed through in one end of the 4th connection hose 400 Connector is set to inside puncture needle, and the other end is connect by the through-hole with third hose coupling 6, the third hose connection Device connect hose connection with second.The lower part for taking ovum needle handle is provided with rubber seal cap, specifically, takes under ovum needle handle Portion, which is connected with, takes ovum needle handle head shell 20, and the both ends of head shell are connected separately with rubber seal cap, the i.e. needle of puncture needle Sharp periphery is arranged with rubber seal cap 7, and puncture needle head uses concealed design, will puncture again after reaching internal ideal position The release of needle syringe needle punctures rubber cap, and then implements puncturing tissue and take ovum, and syringe needle retracts after taking ovum, and whole process not will cause needle Point accidentally injures patient, and concealed syringe needle is not easy to be contaminated.

As shown in figure 4, the push button ventilation switch 12 is set to the upper end for taking ovum needle handle side wall, the push button is logical Air cock 12 includes a button shell 120, is provided with button stator 121 and button movable plate 122, institute in the button shell 120 Stating button stator 121 is a ring structure, and the button movable plate 122 is a circular configuration, and the internal diameter of the button stator 121 is small In the outer diameter of the button movable plate 122.A through-hole is offered on the side wall of the button shell, it is logical that push button shaft 123 is arranged in this Kong Zhong is arranged with button spring 124 in the push button shaft 123, and the provided at one of push button shaft is connected with one by cap 125, the other end It is connected with button movable plate 122,122 gap setting of the button stator 121 and button movable plate, the button movable plate 122 is towards pressing The side of button stator 121 is provided with movable plate sealing ring 126, and the side of button stator 121 towards the button movable plate 122 is provided with Stator sealing ring 127.

When push button ventilation switch remains static, the stator sealing ring and movable plate sealing ring air tight contact, institute It states the button stator 121 of air tight contact, button movable plate 122 and button shell is separated into two closed gas chambers 128 and gas chamber 129, gas chamber 128 is connect by the first connection hose with negative pressure device, and gas chamber 129 is collected by the second connection hose and ovum and filled Connection is set, the air pressure of gas chamber 128 is less than the air pressure of gas chamber 129.When button press formula ventilation switch, the stator sealing ring and Movable plate sealing ring separates, and the gas chamber 128 and 129 intercommunication of gas chamber, the negative pressure of the negative pressure bottle connect hose 100 by first, Third connects hose 300, and ovum collection device, the second connection hose 200 is transferred to puncture needle needle tip, in puncture needle head shape Ovarian follicle substance is drawn with treating absorption object at negative pressure state.It is female thin that the technical program can collect rapidly most ovum Born of the same parents farthest reduce cell trauma, and visual in operating process, the device in the actual operation process, a medical matters people Member can be operated with one hand with the right hand takes ovum needle, completes to puncture, ovum is taken to act, left hand after liberation can just operate ultrasonic wave and draw Probe is led, realizes single right-hand man's co-ordination, avoids more people from operating uncoordinated, nonsynchronous problem between each other, greatly It improves work efficiency.

The upper end of the push button ventilation switch is offered respectively for connecting with the first hose coupling 8 and the second hose The through-hole of 9 intercommunication of device, specifically, the button shell upper end of the push button ventilation switch offers respectively to be connect with the first hose The third through-hole of 8 intercommunication of device and fourth hole with 9 intercommunication of the second hose coupling, the third through-hole and fourth hole gap Setting, the third through-hole are disposed through one end of button shell, and fourth hole is disposed through the other end of button shell.

The side for taking ovum needle handle is also provided with for the second through-hole with 6 intercommunication of third hose coupling, described One end of first connection hose 100 is communicated by the first hose coupling 8 with push button ventilation switch, the first connection hose 100 The other end run through the first silica gel plug, silica gel plug is run through in one end of third connection hose 300, and the other end passes through the second hose Connector 9 is communicated with push button ventilation switch 12,

One end of second connection hose 200 is communicated by third hose coupling 6 with puncture needle, the second connection hose 200 The other end run through silica gel plug 33.In the technical scheme, first silica gel plug and silica gel plug are preferably shaped to truncated cone-shaped, For clogging the bottleneck of ovum collection device and negative pressure device, it is applicable to the ovum collection device and negative pressure dress of different bores It sets.

As shown in Figure 1, the ovum collection device 3 includes test tube collector 31, rack for test tube 32 and receives for clogging test tube The silica gel plug 33 of the bottleneck of storage, the third connection hose 300 and the second connection hose 200 run through the silica gel plug, described Thermostat 34 is provided between test tube collector 31 and rack for test tube 32, the thermostat 34 is a cavity body structure, the chamber Liquid is contained in body structure, the test tube collector 31 is infiltrated in the intracorporal liquid of thermostat chamber.The cavity The liquid that structure is held can be distilled water or pure water, and in the technical scheme, the liquid is preferably distilled water, and ovum is collected Test tube is infiltrated in the distillation water chamber of heat preservation, it can be achieved that thermally equivalent is kept the temperature.The setting of the thermostat is so that clinic takes When ovum operation, the temperature-controllable in the puncture needle and each connection hose is made as consistent with human body temperature, and then maintains Constant temperature, while adverse effect of the temperature difference to ovum is also reduced, the survival rate of ovum is greatly increased, temperature is significantly reduced Influence of the difference to fertilized eggs deformity.The temperature that ovum is most suitable for existence is exactly human body temperature, i.e. 36-37 degree, and normal is 36.8 degree, Liquid in the thermostat remains that the temperature of liquid is human body temperature under the heating of heating device.The test tube is received The positive side of storage is provided with two-dimension code area 35, and the setting of the two-dimension code area can be used for tracking of information, medical worker Directly it can take the two dimensional code of the device that can know who patient corresponding be by sweeping during the work time.

The front end of the puncture needle is equipped with ultrasonic wave and identifies that line 130, the axial length of the ultrasonic wave identification line are preferably 4mm-30mm, the ultrasonic wave identification line can identify line for loop-shaped ultrasound, and the loop-shaped ultrasound identification line is by multiple rows of dotted Groove is constituted, and can preferably be identified by ultrasound, preferably be positioned under ultrasound in use, under ultrasonic mediation Ovum is taken from transvaginal puncture.

The pin hole of the puncture needle is greater than 120 microns, and the outer diameter of disposable puncture needle may be selected to be 2.05mm (14G), 1.85mm(15G), 1.65mm(16G), 1.45mm(17G), 1.25mm(18G), 1.06mm(19G), 0.9mm(20G), 0.8mm(21G), the puncture needle for being specifically chosen which kind of outer diameter is selected according to actual needs, the length of puncture needle be 30cm~ 35cm。

The needle point of the puncture needle is equipped with the first section and the second section, and the needle point point of the first section and the second section is not On the central axes along needle length direction, the needle point point of the first section and the second section is set to needle length direction The left or right side direction of central axes, needle point section are asymmetric setting, and silica gel lubricant layer, silica gel lubrication are coated on needle point Layer can effectively reduce the pain of patient, can enhance the operability of medical worker.

Operating process: medical worker's left-handed operation ultrasonic probe, right hand gripping takes ovum needle top, according to puncture needle needle point Ultrasonic wave identifies the ultrasonography of line reflection, will take ovum needle predetermined position inserted into the patient；Hand thumb promotion takes ovum needle " shifting block ", shifting block drive connecting shaft advance and compressed spring, and the connecting shaft of advance pushes puncture needle advance to puncture rubber seal cap After stretch out；Ovarian follicle is punctured with the puncture needle of stretching；Right hand index finger is pressed opening " push button ventilation switch ", connection puncture needle, examination Pipe collector and negative pressure bottle；Under negative pressure bottle suction function, negative pressure state is formed on puncture needle head to treat and draw object progress It draws, i.e., ovulum punctured is sucked out, reach test tube collector through hose 2；After ovulum has been drawn, unclamp right Hand index finger, " push button ventilation switch " are closed；Taking ovum needle " shifting block " for hand thumb pressing is unclamped, connecting shaft upper spring restores former It is long, it drives connecting shaft and ovum puncture needle is taken to retract in rubber seal cap；Ovum needle is taken from patient's body extraction, completion takes ovum process.

In the technical scheme, the pressing position of the push button ventilation switch is preferably index finger location pressing, certainly, doctor Business personnel can press push button ventilation switch according to oneself use habit during the specifically used device, this skill In art scheme, the pressing position of push button ventilation switch is not done specifically defined.

The periphery for taking ovum needle handle upper portion is provided with slip-resistant texture, and the setting of the slip-resistant texture exists convenient for medical worker Preferably the device is held using when the device, be not in slide, fall, bad gripping the phenomenon that.

In operation, a medical worker can be operated with one hand with the right hand takes ovum needle to the device, completes to puncture, takes ovum Movement, left hand after liberation can just operate B-ultrasound probe, realize single right-hand man's co-ordination, and more people is avoided to grasp Make uncoordinated, nonsynchronous problem between each other, improves working efficiency.The apparatus structure is simple, easy to use, greatly reduces Production cost, is suitble to promote the use of in hospital.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For the those of ordinary skill in the field, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments, and thus amplify out it is obvious variation or It changes among the protection scope created still in the utility model.

Still there are many embodiment, all technologies formed using equivalents or equivalent transformation for the utility model Scheme is all fallen within the protection scope of the utility model.

Claims (10)

1. a kind of oocyte collector, it is characterised in that: including taking ovum device (1), negative pressure device (2) and ovum collection device (3), described that ovum device (1) is taken to connect by the first connection hose (100) with negative pressure device (2), it is described to take ovum device (1) respectively It is connect by the second connection hose (200) and third connection hose (300) with ovum collection device (3), it is described to take ovum device (1) Including taking ovum needle handle (11), push button ventilation switch (12) and puncture needle (13), push button ventilation switch (12) setting In taking on ovum needle handle (11), the puncture needle (13) is set to the bottom end for taking ovum needle handle (11).

2. a kind of oocyte collector according to claim 1, it is characterised in that: described to take in ovum needle handle (11) also It is provided with connecting shaft (4), the first spring detent (41) and second spring detent (42) is provided in the connecting shaft, it is described to take ovum Third spring detent (43) and the 4th spring detent (44), the third spring detent are provided on the two sides inner wall of needle handle (43) it is equal to the width of connecting shaft (4) to the distance of the 4th spring detent (44), is arranged with spring on the connecting shaft (4) (45), one end of the spring is abutted with the first spring detent (41) and second spring detent (42), the other end and third spring Detent (43) and the 4th spring detent (44) abut, and are provided with a T-connection (5), the puncture below the connecting shaft Needle (13) is set to the lower section of T-connection (5), and puncture needle tip portion is pierced by via taking the through-hole of ovum needle handle, at its lower end.

3. a kind of oocyte collector according to claim 2, it is characterised in that: the side side for taking ovum needle handle Offer a notch on wall, shifting block (46) be fixedly arranged in connecting shaft and with second spring detent (42) gap setting, shifting block passes through The notch extends to the outside for taking ovum needle handle from the side of connecting shaft.

4. a kind of oocyte collector according to claim 2, it is characterised in that: the side of ovum needle handle is taken to offer One end of first through hole, the 4th connection hose (400) is set to inside puncture needle by T-connection (5), and the other end is by being somebody's turn to do Through-hole is connect with third hose coupling (6), and the third hose coupling (6) connect hose (200) connection with second, described The lower part of ovum needle handle is taken to be provided with rubber seal cap (7).

5. a kind of oocyte collector according to claim 1, it is characterised in that: the push button ventilation switch (12) It is set to the upper end for taking ovum needle handle side wall, the push button ventilation switch (12) includes a button shell (120), the button It is provided with button stator (121) and button movable plate (122) in shell (120), it is logical that one is offered on the side wall of the button shell Hole, push button shaft (123) are arranged in the through-hole, are arranged with button spring (124) on the push button shaft (123), the one of push button shaft End pivoting is connected with one by cap (125), and the other end is connected with button movable plate (122), the button stator (121) and button movable plate (122) side of gap setting, button movable plate (122) towards the button stator (121) is provided with movable plate sealing ring (126), The side of button stator (121) towards the button movable plate (122) is provided with stator sealing ring (127).

6. a kind of oocyte collector according to claim 5, it is characterised in that: the button stator (121) is one Ring structure, the button movable plate (122) are a circular configuration, and the internal diameter of the button stator (121) is dynamic less than the button The outer diameter of piece (122).

7. a kind of oocyte collector according to claim 1, it is characterised in that: the push button ventilation switch it is upper End is offered respectively for the through-hole with the first hose coupling (8) and the second hose coupling (9) intercommunication, first connection One end of hose (100) is communicated by the first hose coupling (8) with push button ventilation switch, the first connection hose (100) The other end runs through the first silica gel plug, and silica gel plug is run through in one end of third connection hose (300), and the other end passes through the second hose Connector (9) is communicated with push button ventilation switch (12), and one end of the second connection hose (200) passes through third hose coupling (6) it is communicated with ovum needle handle is taken, the other end of the second connection hose (200) runs through silica gel plug (33).

8. a kind of oocyte collector according to claim 1, it is characterised in that: ovum collection device (3) packet Include test tube collector (31), rack for test tube (32) and the silica gel plug (33) for clogging test tube collector bottleneck, the third connection Hose (300) and the second connection hose (200) run through the silica gel plug, between the test tube collector (31) and rack for test tube (32) It is provided with thermostat (34), the thermostat (34) is a cavity body structure, is contained with liquid in the cavity body structure, described Test tube collector (31) is infiltrated in the intracorporal liquid of thermostat chamber.

9. a kind of oocyte collector according to claim 8, it is characterised in that: the test tube collector positive one Side is provided with two-dimension code area (35).

10. a kind of oocyte collector according to claim 1, it is characterised in that: the front end of the puncture needle is equipped with Ultrasonic wave identifies line (130), and the axial length of the ultrasonic wave identification line is 4mm-30mm.