Oocyte collector set for living body ovum collection

Abstract

An oocyte collector set for living body ovum collection comprises an ovum collecting needle, an ovum collecting needle handle and an oocyte collecting device, the ovum collecting needle is connected with an ovum collecting tube through the ovum collecting needle handle, one end of the ovum collecting needle handle is sleeved with the ovum collecting needle through a needle tube, the other end of the ovum collecting needle handle is sleeved with the ovum collecting tube, and the ovum collecting needle and the ovum collecting tube are mutually independent. And the parts can be replaced independently.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely relates to a kind of oocyte collector kits for live ovum taking. BACKGROUND

[0002] Cattle live ovum taking is an advanced reproductive technology, by collecting oocyte from live cow, to provide material for subsequent in vitro fertilization and embryo transfer.

[0003] During the process of ovum collection, the health and safety of the cow must be ensured, and an expensive live ovum collection instrument must be provided. The existing ovum collection needle and ovum collection tube are integrally arranged. After ovum collection, the ovum collection tube must be replaced every time the ovum collection needle is replaced. The live ovum collection equipment is equipped with various parts and consumables, which cannot be replaced individually and has a high replacement cost. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model aims to provide an oocyte collector kit for live ovum taking, which is composed of an ovum collection needle, an ovum collection needle holder and an oocyte collection device. The ovum collection needle is connected to the ovum collection tube through the ovum collection needle holder. One end of the ovum collection needle holder is connected to the ovum collection needle through a needle tube, and the other end of the ovum collection needle holder is connected to the ovum collection tube.

[0005] Further, the ovum collection needle comprises a puncture needle and a puncture needle protective sleeve.

[0006] Further, the puncture needle protective sleeve is arranged on the outer side of the puncture needle.

[0007] Further, the ovum collection needle holder comprises a needle holder and a handle.

[0008] Further, the handle is provided with the ovum collection tube.

[0009] Further, the oocyte collection device is composed of a rubber plug, an ovum collection tube, an oocyte collection tube, a negative pressure pump connecting tube and a negative pressure pump connecting seat.

[0010] Further, the oocyte collection tube is fixedly installed with the rubber plug at one end.

[0011] Further, the ovum collection tube is connected to the oocyte collection tube through the rubber plug.

[0012] Further, the negative pressure pump connecting tube is arranged on the rubber plug and located on one side of the ovum collection tube.

[0013] Further, the negative pressure pump connecting tube is provided with the negative pressure pump connecting seat at the end.

[0014] The utility model has the following advantages:

[0015] The utility model discloses an oocyte collector set for taking ovum from living body, through setting the puncture needle base in the rear part of puncture needle instead of the middle part, the puncture needle is not directly connected with the oocyte collection tube, but is indirectly connected with the oocyte collection tube through the needle holder made of metal, the collector of the oocyte collection tube must be replaced simultaneously every time the oocyte collection needle is replaced, the utility model replaces the oocyte collection needle and the oocyte collection tube independently, can replace separately, and does not influence each other, and the oocyte collection needle or the oocyte collection tube can be reserved according to demand when replacing, and the replacement cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification incorporated herewith form a part of the disclosure of the utility model, serve to provide further understanding of the utility model, and together with the specification explain the utility model.

[0017] Figure 1 It is the structural schematic diagram of the utility model.

[0018] In the drawing: 1 oocyte collection needle; 1-1 puncture needle protective sleeve; 1-2 puncture needle;

[0019] 2 oocyte collection needle handle; 2-1 needle holder; 2-2 handle;

[0020] 3 oocyte collection device; 3-1 oocyte collection tube; 3-2 rubber plug; 3-3 oocyte collection tube; 3-4 negative pressure pump connecting pipe; 3-5 negative pressure pump connecting seat. DETAILED DESCRIPTION

[0021] The utility model will be explained in detail in connection with specific implementation.

[0022] In a typical embodiment of the utility model, as shown in Figure 1 An oocyte collector set for taking ovum from living body is provided, which comprises an oocyte collector set for taking ovum from living body, which is composed of an oocyte collection needle, an oocyte collection needle handle 2-2 and an oocyte collection device 3, the oocyte collection needle is connected with the oocyte collection tube 3-1 through the oocyte collection needle handle 2-2, one end of the oocyte collection needle handle 2-2 is connected with the oocyte collection needle through the needle tube, and the other end of the oocyte collection needle handle 2-2 is connected with the oocyte collection tube 3-1.

[0023] The oocyte needle comprises a puncture needle 1-2 and a puncture needle 1-2 protective sleeve 1-1, the puncture needle 1-2 is provided with the puncture needle 1-2 protective sleeve 1-1 outside, the puncture needle head is 95mm in full length, and the top is a needle tip. The needle tip is designed as a short bevel, the total length of the bevel is not more than 2mm, the oocyte needle can be used for puncturing the oocyte with a small diameter, and a high oocyte collection rate can be obtained, the needle seat is fixed at a position 60mm away from the needle tip of the oocyte needle by using UV curing glue, the needle seat has a structure of being narrow at the top and wide at the bottom, and the needle seat is convenient to fix on a needle holder 2-1, the needle tip is provided with three blade parts, which are a first blade part, a second blade part and a third blade part. The first blade part extends at an angle of 15 degrees relative to the central axis of the main body of the patent, and forms a blade tip cross section with an angle of 15 degrees.

[0024] The oocyte needle holder 2-2 comprises the needle holder 2-1 and a holder 2-2, the oocyte tube 3-1 is arranged in the holder 2-2 in a penetrating mode, the puncture needle protective sleeve 1-2 is a hard PVC tube with an internal cavity, the length of the tube is 90mm, the diameter is 60mm, and the inner wall is in a six-petal plum blossom shape, so that the puncture needle can be fixed.

[0025] The oocyte needle holder 2 is composed of the needle holder 2-1 and the holder 2-2, and the needle holder 2-1 and the holder 2-2 are both made of imported medical steel.

[0026] The needle holder 2-1 is a hollow steel structure with a length of 25mm, the front end is a cylindrical structure with a length of 9mm and a diameter of 4mm, the cylindrical structure is narrow at the top and wide at the bottom, and the diameter of the bottom is slightly larger than that of the top. The inner diameter of the front end of the cylindrical structure of the needle holder 2-1 is slightly larger than the outer diameter of the puncture needle 1-2, so that the puncture needle 1-2 can pass through and be fixed; the outer diameter of the top of the front end of the cylindrical structure of the needle holder 2-1 is slightly smaller than the inner diameter of the needle seat of the puncture needle 1-2, and the outer diameter of the bottom is slightly larger than the inner diameter of the needle seat of the puncture needle 1-2, so that the puncture needle 1-2 can be fixed on the needle holder 2-1.

[0027] The middle part of the needle holder 2-1 is a disc-shaped structure with a diameter of 8mm, followed by a threaded structure with a length of 5mm, and finally a hollow cylindrical steel tube with a length of 10mm and an outer diameter of 2mm. The bottom of the hollow cylindrical structure of the needle holder 2-1 is wide at the top and narrow at the bottom, and the part connected with the threaded structure has an outer diameter slightly larger than the outer diameter of the bottom of the hollow cylindrical steel tube, so that the oocyte tube 3-1 can be fixed.

[0028] The holder 2-2 is a hollow cylindrical steel tube with a length of 55cm, an inner diameter of 4cm and a wall thickness of 1cm, and a threaded structure matched with the needle holder 2-1 is embedded in the top of the steel tube, and the threaded structure can be used to fix the needle holder 2-1 on the holder 2-2.

[0029] The oocyte collection device 3 is composed of the oocyte tube 3-1, a rubber plug 3-2, an oocyte collection tube 3-3, a negative pressure pump connecting tube 3-4 and a negative pressure pump connecting seat 3-5.

[0030] The oocyte collection device 3 is composed of a rubber plug 3-2, an oocyte collection tube 3-1, an oocyte collection tube 3-3, a negative pressure pump connecting tube 3-4 and a negative pressure pump connecting seat 3-5. The oocyte collection tube 3-3 is fixedly installed with the rubber plug 3-2 at one end. The oocyte collection tube 3-3 is a tapered bottom centrifuge tube made of polypropylene material with a capacity of 50ml (a commercial 50ml tapered bottom centrifuge tube can be used instead). The rubber plug 3-2 can be partially inserted into and fixed in the oocyte collection tube 3-3.

[0031] The negative pressure pump connecting tube 3-4 is a medical PVC hose with an inner diameter of 2mm, a wall thickness of 0.2mm and a length of 20cm. One end of the negative pressure pump connecting tube 3-4 is connected to the oocyte collection tube 3-3 through the rubber plug opening, and the other end is connected to the negative pressure pump through the negative pressure pump connecting seat 3-5.

[0032] The oocyte collection tube 3-1 is a medical PVC hose with a length of 1.8m, an inner diameter of 2mm and a wall thickness of 0.2mm. The oocyte collection tube 3-1 can be inserted into and fixed in the cylindrical steel tube at the tail of the needle holder 2-1. When the utility model is used, the oocyte collection tube 3-1 is fixed on the needle holder 2-1 through the handle 2-2.

[0033] The oocyte collection tube 3-1 is connected to the oocyte collection tube 3-3 through the rubber plug 3-2. The negative pressure pump connecting tube 3-4 is arranged on the rubber plug 3-2 and located at one side of the oocyte collection tube 3-1. The rubber plug 3-2 is a tapered medical silicone structure with a wide upper part and a narrow lower part. The upper part of the rubber plug 3-2 has a diameter of 3.2cm, the lower part has a diameter of 2.6cm, and the height is 2.5cm. The lower half of the rubber plug 3-2 is hollowed out. The height difference between the hollowed part and the non-hollowed part is 5mm. Two holes with a diameter of 2.4mm are punched in the center of the lower half of the rubber plug 3-2. The oocyte collection tube 3-1 passes through the hole in the center of the non-hollowed part and is fixed therein by the elasticity of the rubber plug. The negative pressure pump connecting tube 3-4 passes through the hole in the center of the hollowed part and is fixed therein by the elasticity of the rubber plug. After the oocyte collection tube 3-1 and the negative pressure pump connecting tube 3-4 pass through the rubber plug 3-2, they are flush with the lower part of the rubber plug 3-2.

[0034] The negative pressure pump connecting tube 3-4 is provided with a negative pressure pump connecting seat 3-5 at the end. The negative pressure pump connecting seat 3-5 can be connected to a negative pressure device that can be purchased on the market to generate negative pressure in the cell collection tube 3-3.

[0035] The installation steps of the collector are as follows:

[0036] The oocyte collection tube 3-3 is fixed on the rubber plug 3-2. The oocyte collection tube 3-1 is fixed at the tail of the needle holder 2-1 through the handle 2-2. The needle holder 2-1 and the handle 2-2 are connected by threads. The oocyte collection needle 1 is fixed at the top of the needle holder 2-1. The oocyte collection device 3 is connected to the negative pressure pump through the negative pressure pump connecting seat 3-5, and the cow can be oophorized in vivo.

[0037] The oocyte collection device 3 and the oocyte collection needle 1 can be replaced separately when the oocyte collection needle 1 and the oocyte collection device 3 are used as disposable accessories. The oocyte collection needle holder 2 is made of medical steel and can be repeatedly used after sterilization and disinfection by dry heat, moist heat and the like.

Claims

1. A live oocyte retrieval kit, characterized in that, It consists of an oocyte retrieval needle, an oocyte retrieval needle handle, and an oocyte collection device. The oocyte retrieval needle is connected to the oocyte collection tube through the oocyte retrieval needle handle. One end of the oocyte retrieval needle handle is connected to the oocyte retrieval needle through a needle tube, and the other end of the oocyte retrieval needle handle is connected to the oocyte collection tube.

2. The oocyte collection kit for live oocyte retrieval according to claim 1, characterized in that, The oocyte retrieval needle includes the puncture needle and the puncture needle protective sheath.

3. The oocyte collection kit for live oocyte retrieval according to claim 2, characterized in that, A protective sleeve is provided on the outside of the puncture needle.

4. The oocyte collection kit for live oocyte retrieval according to claim 1, characterized in that, The egg retrieval needle handle consists of a needle holder and a handle.

5. The oocyte collection kit for live oocyte retrieval according to claim 4, characterized in that, An egg collection tube is inserted through the handle.

6. The oocyte collection kit for live oocyte retrieval according to claim 1, characterized in that, The oocyte collection device consists of a rubber stopper, an oocyte collection tube, an oocyte collection tube, a negative pressure pump connecting tube, and a negative pressure pump connecting seat.

7. The oocyte collection kit for live oocyte retrieval according to claim 1, characterized in that, A rubber stopper is fixed to one end of the oocyte collection tube.

8. The oocyte collection kit for live oocyte retrieval according to claim 1, characterized in that, The oocyte collection tube is connected to the oocyte collection tube via a rubber stopper.

9. The oocyte collection kit for live oocyte retrieval according to claim 1, characterized in that, A negative pressure pump connection pipe is installed on the rubber stopper and on one side of the egg collection tube.

10. The oocyte collection kit for live oocyte retrieval according to claim 9, characterized in that, A negative pressure pump connector is installed at the end of the negative pressure pump connecting pipe.

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