CN111529024A - Double-cavity ovum taking needle with information transmission device - Google Patents
Double-cavity ovum taking needle with information transmission device Download PDFInfo
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- CN111529024A CN111529024A CN202010393035.1A CN202010393035A CN111529024A CN 111529024 A CN111529024 A CN 111529024A CN 202010393035 A CN202010393035 A CN 202010393035A CN 111529024 A CN111529024 A CN 111529024A
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- ovum
- needle
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- cavity
- taking needle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B17/425—Gynaecological or obstetrical instruments or methods for reproduction or fertilisation
- A61B17/435—Gynaecological or obstetrical instruments or methods for reproduction or fertilisation for embryo or ova transplantation
Abstract
The invention relates to a double-cavity ovum taking needle with an information transmission device, which comprises an ovum taking needle, a handle, a collecting pipe, a sealing plug, a negative pressure connecting seat and a negative pressure connecting pipe, wherein a pressure sensor is arranged inside the ovum taking needle; the pressure display comprises casing, power, switch, circuit mainboard, signal amplifier and display screen, its advantage shows: according to the invention, the pressure sensors are arranged in the gap between the two cavity tubes in the needle tube body of the double-cavity ovum taking needle, so that the negative pressure value of the operation ovum taking needle tube port and the washing liquid flow swirling angle value are obtained, the correlation between the operation ovum taking needle port and clinical indexes such as ovum taking efficiency and ovum quality in the ovum taking operation is counted, the operation quality of assisted reproduction ovum taking is improved, and the data support is improved for predicting the ovum quality of a patient.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a double-cavity ovum taking needle with an information transmission device.
Background
At present, the proportion of patients with hypofunction of ovarian reserve and advanced age is gradually increased, the number of dominant follicles on both sides of the patients is gradually increased, a double-cavity ovum-taking needle is used for taking ovum, and if necessary, culture solution is used for washing the follicular cavity for multiple times and repeatedly pumping for 6-10 times; if the number of dominant follicles exceeds 3, a single-cavity ovum-taking needle can be used, if the number of the ova taken out is less than that of the ova taken out under ultrasound in the ovum taking process, a double-cavity ovum-taking needle can be used, and each follicle is washed by culture solution for 6-10 times so as to obtain more ova.
The single-cavity ovum taking needle is not provided with a structure with the diameter of 0.3mm, but the double-cavity ovum taking needle is provided with the structure, and the ovum flushing and the ovum sucking are simultaneously carried out at the ovum taking moment, which is the unique flushing cavity structure of the double-cavity ovum taking needle, but the quality of the obtained ovum from the double-cavity ovum is poorer than that from the single-cavity ovum taking according to the current clinical data, besides the abnormal function of the ovary of a patient, the tuning angle of the needle tube and the negative pressure of the tube opening possibly have certain influence on the quality of the obtained ovum in the repeated flushing process. However, at present, a double-cavity ovum taking needle or a related accessory device which can test the negative pressure and the vortex angle of the orifice of the tube is clinically lacked, so some technical indexes of the ovum taking operation cannot be quantitatively evaluated with the clinical ovum quality and other consequences.
The Chinese patent application: CN2759407Y discloses a single-cavity ovum fetching device, which belongs to medical apparatus and instruments, the structure of which comprises a puncture needle, a handle, a collecting pipe, a sealing plug, a negative pressure connecting seat and a negative pressure connecting pipe, wherein the end part of the puncture needle is provided with an ultrasonic echo zone, one end of the collecting pipe is connected with the puncture needle through the handle, the other end of the collecting pipe passes through the sealing plug, a through hole is arranged on the sealing plug, one end of the negative pressure connecting pipe is connected with the through hole on the sealing plug, and.
The Chinese patent application: CN202010190U discloses a double-cavity ovum fetching device. The structure of the device comprises a puncture needle, a handle, an oocyte collecting pipe, a sealing plug, a negative pressure connecting seat and a negative pressure connecting pipe, and is characterized in that the puncture needle is a double-cavity puncture needle, one cavity is an ovum taking channel, and the other cavity is a flushing channel; a main channel and an auxiliary channel penetrate through the handle; the ovum taking channel of the puncture needle is communicated with the oocyte collecting tube through the handle main channel; the flushing channel of the puncture needle is communicated with one end of the flushing collecting pipe through the handle auxiliary channel, and the other end of the flushing collecting pipe is provided with a flushing pipe connecting seat.
Although the two devices can realize basic egg taking operation, the two devices cannot realize measurement of the vortex angle of the needle tube and the negative pressure value of the tube opening, so that the two indexes cannot be evaluated to be related to clinical indexes such as double-cavity egg taking efficiency, egg quality and the like, and the two devices are not suitable for being used in the auxiliary procreation egg taking operation through vaginal puncture.
Therefore, in view of the above, there is a need for a novel ovum retrieval needle capable of acquiring the negative pressure at the port of the ovum retrieval needle tube and the swirling angle value of the washing liquid flow so as to count the correlation between the negative pressure and the swirling angle value of the washing liquid flow and the clinical indexes of ovum retrieval efficiency and ovum quality in the ovum retrieval operation, improve the quality of the assisted reproduction ovum retrieval operation, and retain the functions of the original double-cavity ovum retrieval needle, and no report is found about the novel double-cavity ovum retrieval needle with the information transmission device.
Disclosure of Invention
The invention aims to install a pressure data transmission device on a double-cavity ovum taking needle by means of hydrodynamics and corresponding new materials to assist in obtaining negative pressure and a vortex angle value of a needle tube port of the ovum taking needle so as to continuously count the correlation between the two indexes and clinical indexes such as double-cavity ovum taking efficiency, ovum quality and the like and guide clinical work. It particularly provides a double-cavity ovum-taking needle with an information transmission device.
In order to achieve the purpose, the invention adopts the technical scheme that:
a double-cavity ovum taking needle with an information transmission device comprises an ovum taking needle, a handle, a collecting pipe, a sealing plug, a negative pressure connecting seat and a negative pressure connecting pipe, wherein a pressure sensor is arranged inside the ovum taking needle, a pressure display is fixedly arranged on the handle, and the pressure sensor is electrically connected with the pressure display through a lead; the pressure display constitute by casing, power, switch, circuit board, signal amplifier and display screen, the inside of casing is provided with power, circuit board and the signal amplifier who matches with circuit board, the surface of casing is provided with switch and display screen, the display screen be located the last middle part position of casing, switch is located the below of display screen, switch and circuit board electric connection, signal amplifier's input and circuit board electric connection, its signal amplifier's output electric connection is on the display screen.
In the double-cavity ovum taking needle with the information transmission device, as a preferable scheme, the pressure sensor is positioned in a gap between two cavities in the needle tube body of the double-cavity ovum taking needle and is fixed at one side of the cavities.
In the double-cavity ovum taking needle with the information transmission device, as a preferred scheme, the pressure sensor is provided with a pressure sensitive element, one end of the pressure sensitive element is electrically connected with the circuit main board through a lead, and the other end of the pressure sensitive element is electrically connected with the pressure sensor.
In the double-cavity ovum taking needle with the information transmission device, as a preferable scheme, the head part of the ovum taking needle is arranged as a bevel incision.
In the double-cavity ovum taking needle with the information transmission device, as a preferable scheme, the outer wall of the front end of the ovum taking needle is provided with an ultrasonic echo zone, and the ultrasonic echo zone consists of a plurality of smooth raised grains which are uniformly distributed.
The invention has the advantages that:
1. according to the invention, the pressure sensors are arranged in the gap between the two cavity tubes in the needle tube body of the double-cavity ovum taking needle, so that the negative pressure value of the operation ovum taking needle tube port and the washing liquid flow swirling angle value are obtained, the correlation between the operation ovum taking needle port and clinical indexes such as ovum taking efficiency and ovum quality in the ovum taking operation is counted, the operation quality of assisted reproduction ovum taking is improved, and the data support is improved for predicting the ovum quality of a patient.
2. The arrangement of the silica gel lubricating layer at the cut of the inclined plane can ensure that the ovum taking needle can smoothly puncture the follicle cavity of a patient to take the ovum.
3. The arrangement of the ultrasonic echo area on the outer wall of the front end of the ovum taking needle can facilitate an operator to find the position of an ovum during ovum taking, shorten the operation time and improve the working efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a double-cavity ovum pick-up needle with an information transmission device.
FIG. 2 is a schematic structural diagram of a pressure display on the double-cavity ovum pick-up needle with the information transmission device.
Fig. 3 is a partially enlarged schematic view of the head end A of the double-cavity ovum-taking needle with the information transmission device.
FIG. 4 is a flow chart of the operation of the transfer device on the double-cavity ovum taking needle with the information transfer device in the invention.
Detailed Description
The invention will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and equivalents fall within the scope of the appended claims.
The reference numerals and components referred to in the drawings are as follows:
1. ovum taking needle 2, handle 3, collecting tube
4. Sealing plug 5, negative pressure connecting seat 6, negative pressure connecting pipe
7. Pressure sensor 8, pressure display 9, wire
10. Shell 11, power source 12, power switch
13. Circuit mainboard 14, signal amplifier 15 and display screen
16. Pressure sensitive element 18, ultrasonic echo zone
Embodiment 1A double-lumen ovum pick-up needle with information transmission device
Referring to fig. 1-4, fig. 1 is a schematic structural view of a double-lumen ovum pick-up needle with an information transmission device in the invention. FIG. 2 is a schematic structural diagram of a pressure display on the double-cavity ovum pick-up needle with the information transmission device. Fig. 3 is a partially enlarged schematic view of the head end A of the double-cavity ovum-taking needle with the information transmission device. FIG. 4 is a flow chart of the operation of the transfer device on the double-cavity ovum taking needle with the information transfer device in the invention.
The invention mainly buries pressure sensor materials in a gap between two cavity tubes in a needle tube body of the existing double-cavity ovum taking needle from top to bottom so as to obtain a negative pressure numerical value and a washing liquid flow whirling angle numerical value of an ovum taking needle tube opening in an operation, and particularly relates to a double-cavity ovum taking needle with an information transmission device, which comprises an ovum taking needle 1, a handle 2, a collecting tube 3, a sealing plug 4, a negative pressure connecting seat 5 and a negative pressure connecting tube 6, wherein a pressure sensor 7 is arranged in the ovum taking needle 1, a pressure display 8 is fixedly arranged on the handle 2, and the pressure sensor 7 is electrically connected with the pressure display 8 through a lead 9. When the operation is performed, the operator can observe the display numerical value of the pressure display at any time to judge whether the fallopian tube is unblocked. The pressure display 8 comprises a casing 10, a power supply 11, a power switch 12, a circuit board 13, a signal amplifier 14 and a display screen 15, wherein the power supply 11, the circuit board 13 and the signal amplifier 14 matched with the circuit board 13 are arranged inside the casing 10, the circuit board 13 comprises elements such as an integrated block, a thermistor and a capacitor, and the circuit board 13 is used for supplying an operational signal amplifier. The surface of casing 10 is provided with switch 12 and display screen 15, display screen 15 be located the last middle part position of casing 10, switch 12 is located the below of display screen 15, switch 12 and circuit board 13 electric connection, signal amplifier 14's input and circuit board 13 electric connection, its signal amplifier 14's output electric connection is on display screen 15.
In the present embodiment, the pressure sensor 7 is preferably located in a gap between two lumens in the body of the double-lumen ovum-taking needle tube and is fixed on one side of the lumens. When the needle tube is inserted into a follicle, after liquid is injected, along with the change of the swirling angle of the liquid at the tube orifice of the needle tube and the change of the size of the follicle, the pressure value and the swirling angle value can be timely transmitted to a display screen at the position externally connected with a handle.
In this embodiment, it is preferable that the pressure sensor 7 is provided with a pressure sensing element 16, one end of the pressure sensing element 16 is electrically connected to the circuit board 13 through the wire 9, the other end of the pressure sensing element is electrically connected to the pressure sensor 7, the pressure sensing element 16 on the pressure sensor 7 converts the resistance of the liquid in the channel into an electrical signal, and sends the electrical signal to the input end of the signal amplifier, the input end is an in-phase parallel differential input, and after a second-stage amplification, a weak signal is sufficiently amplified and transmitted to the display, thereby completing the transmission of the pressure value.
In this embodiment, the head of the ovum-taking needle 1 is preferably provided with a bevel incision. The arrangement can ensure that the ovum taking needle can smoothly puncture to the follicle cavity of a patient to take the ovum.
In this embodiment, it is preferable that the outer wall of the front end of the ovum retrieval needle 1 is provided with a section of ultrasonic echo zone 18, and the ultrasonic echo zone 18 is composed of a plurality of smooth convex lines which are uniformly distributed. Its supersound echo district can make things convenient for operating personnel to find the position of accurate ovum when getting the ovum, can alleviate patient's pain, can shorten operation time, improve work efficiency.
The use method of the invention comprises the following steps: the power switch is turned on, the display screen on the pressure display is lightened, then the front end of the double-cavity ovum taking needle is placed at the ovum taking position of a patient, the pressure sensitive element transmits an electric signal corresponding to the resistance of the flushing liquid to the signal amplifier through the lead along with the fact that the flushing liquid enters the uterine cavity, the electric signal is amplified and transmitted to the display, so that the resistance of the flushing liquid is seen through the opening of the display, the pacing angle value of the flushing liquid flow is further calculated, the correlation between the two indexes and clinical indexes such as double-cavity ovum taking efficiency and ovum quality is conveniently counted subsequently, clinical work is guided, and the data support of the ovum quality improvement of the patient is predicted in the future.
It should be noted that: the invention is that the pressure sensor material is buried in the gap between two cavity tubes in the needle tube body of the existing double-cavity ovum-taking needle from top to bottom. Compared with the prior art, the device has the advantages that when liquid is injected from a cavity at one side to flush the follicle after the ovum taking needle enters the follicle, the swirling angle of the injected liquid flow and the negative pressure at the nozzle of the needle tube under the swirling angle can be evaluated, and the data are obtained, so that the most suitable clinical ovum taking negative pressure and the swirling angle value can be comprehensively evaluated by combining clinical indexes such as clinical ovum taking efficiency, ovum quality, embryo quality and the like, and the evidence for improving the ovum taking efficiency in auxiliary reproduction is provided. The invention can be suitable for assisting the operation of taking an egg by vagina puncture in reproduction.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and additions can be made without departing from the principle of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (5)
1. A double-cavity ovum taking needle with an information transmission device comprises an ovum taking needle, a handle, a collecting pipe, a sealing plug, a negative pressure connecting seat and a negative pressure connecting pipe, and is characterized in that a pressure sensor is arranged inside the ovum taking needle, a pressure display is fixedly arranged on the handle, and the pressure sensor is electrically connected with the pressure display through a lead; the pressure display constitute by casing, power, switch, circuit board, signal amplifier and display screen, the inside of casing is provided with power, circuit board and the signal amplifier who matches with circuit board, the surface of casing is provided with switch and display screen, the display screen be located the last middle part position of casing, switch is located the below of display screen, switch and circuit board electric connection, signal amplifier's input and circuit board electric connection, its signal amplifier's output electric connection is on the display screen.
2. The double-lumen ovum access needle with the information transmission device of claim 1, wherein the pressure sensor is positioned in a gap between two lumens in the needle tube body of the double-lumen ovum access needle and is fixed at one side of the lumens.
3. The double-lumen ovum pick-up needle with the information transmission device as claimed in claim 1, wherein the pressure sensor is provided with a pressure sensitive element, one end of the pressure sensitive element is electrically connected with the circuit main board through a lead, and the other end of the pressure sensitive element is electrically connected with the pressure sensor.
4. The double-cavity ovum pick-up needle with the information transmission device as claimed in claim 1, wherein the head of the ovum pick-up needle is provided with a bevel incision.
5. The double-cavity ovum pick-up needle with the information transmission device as claimed in claim 1, wherein the outer wall of the front end of the ovum pick-up needle is provided with an ultrasonic echo zone, and the ultrasonic echo zone consists of a plurality of smooth convex lines which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393035.1A CN111529024B (en) | 2020-05-11 | 2020-05-11 | Double-cavity ovum taking needle with information transmission device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393035.1A CN111529024B (en) | 2020-05-11 | 2020-05-11 | Double-cavity ovum taking needle with information transmission device |
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| Publication Number | Publication Date |
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| CN111529024A true CN111529024A (en) | 2020-08-14 |
| CN111529024B CN111529024B (en) | 2022-10-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114246654A (en) * | 2021-10-27 | 2022-03-29 | 太平洋康泰科学仪器（济南）有限公司 | High-precision ovum taking device |
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| CN209203463U (en) * | 2018-09-21 | 2019-08-06 | 上海康德莱企业发展集团股份有限公司 | A kind of ultrasonic development enhancing double-cavity ovum taking needle |
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2020
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2170077Y (en) * | 1993-06-16 | 1994-06-29 | 邱秀光 | Liquid instillation pressure signal display unit and liquid instillation pressure sensor for oviduct |
| US20050143619A1 (en) * | 2003-12-05 | 2005-06-30 | William A. Cook Australia Pty. Ltd. | Heated ovum pick up needle |
| US20080091119A1 (en) * | 2006-10-16 | 2008-04-17 | Moffitt Drew V | Assessment and aspiration needle for ovarian follicular fluid |
| EP1967147A2 (en) * | 2007-03-09 | 2008-09-10 | Hans-Peter Steiner | Puncture device for retrieving an organic sample |
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| CN102370514A (en) * | 2011-09-29 | 2012-03-14 | 杨帆 | Oviduct injection dredging device with pressure gauge |
| CN104840234A (en) * | 2015-05-29 | 2015-08-19 | 郑州富健达医疗器械有限公司 | Percutaneous nephroscope lead-in sheath capable of monitoring perfusion suction pressure in real time |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114246654A (en) * | 2021-10-27 | 2022-03-29 | 太平洋康泰科学仪器（济南）有限公司 | High-precision ovum taking device |
| CN114246654B (en) * | 2021-10-27 | 2023-11-10 | 太平洋康泰科学仪器（济南）有限公司 | High-precision ovum taking device |
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| CN111529024B (en) | 2022-10-14 |
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