CN208808611U - A kind of single-lumen ovum pickup needle - Google Patents
A kind of single-lumen ovum pickup needle Download PDFInfo
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- CN208808611U CN208808611U CN201721833220.8U CN201721833220U CN208808611U CN 208808611 U CN208808611 U CN 208808611U CN 201721833220 U CN201721833220 U CN 201721833220U CN 208808611 U CN208808611 U CN 208808611U
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- needle
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- conical tube
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Abstract
The utility model discloses a kind of single-lumen ovum pickup needle, including needle tubing, handle and cell diversion pipe, the proximal end of the needle tubing is connected with the distal end of cell diversion pipe, and the taper knob is set to the junction of the needle tubing and cell diversion pipe；Wherein, the needle tubing is tubular housing, includes needle point, cylindrical tube and conical tube from distal end to proximal end；The internal diameter of the cylindrical tube and the internal diameter of conical tube are identical, the outer diameter of the conical tube end and identical as the outer diameter of the cylindrical tube that its end is connected, and the outer diameter of the conical tube distal end is less than the outer diameter of its proximal end.Single-lumen ovum pickup needle provided by the utility model, during operation puncturing, it may insure that needle tubing has preferable rigidity to guarantee to take ovum efficiency when surgical staff operation, generated wound area when needle point punctures in surgical procedure can be effectively reduced simultaneously, to reduce the amount of bleeding of surgical procedure, mitigate patient suffering.
Description
Technical field
The utility model relates to a kind of medical needle more particularly to a kind of single-lumen ovum pickup needles.
Background technique
Treating infertile main method has drug therapy, operative treatment and assisted reproductive therapy, wherein supplementary reproduction
Technology includes artificial insemination and inseminatio externalis-embryo transfer and its deriving technology two major classes.It is counted and is shown according to clinical data,
Inseminatio externalis-embryo transfer technology pregnancy rate highest (close to 60%), significantly larger than artificial insemination (about 20% or so) and one
As drug therapy (about 15% or so), have become and treat infertile mainstream means.Its simplified process is drug-induced
Follicular development, Transvaginal Ultrasound take ovum, inseminatio externalis, embryo transfer and Luteal phase support.
Wherein, it is an important ring that Transvaginal Ultrasound, which takes ovum, and when clinical Transvaginal Ultrasound takes ovum, single takes ovum amount generally to exist
10-15 even more, need repeatedly to puncture ovary to obtain ovum, and the effective of ovum needle is taken to use length generally in 290-
400mm, this requires the outer diameters of needle tubing cannot be meticulous, can cause needle tubing stiffness deficiency otherwise to influence doctor and operate, and compared with
Big needle tubing outer diameter can increase the wound area that generates when puncturing ovary, in addition can the amount of causing bleeding it is higher, increase the pain of patient
It is bitter.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of single-lumen ovum pickup needles, can effectively reduce surgical procedure
Middle needle point punctures generated wound area when ovary, reduces the pain of patient.
The utility model to solve above-mentioned technical problem and the technical solution adopted is that provide a kind of single-lumen ovum pickup needle, including
The proximal end of needle tubing, handle and cell diversion pipe, the needle tubing is connected with the distal end of cell diversion pipe, and the handle at least partly covers
On the needle tubing；Wherein, the needle tubing is tubular housing, includes needle point, cylindrical tube and conical pipe from distal end to proximal end
Body；The internal diameter of the cylindrical tube and the internal diameter of conical tube are identical, the outer diameter of the conical tube end and with its end phase
The outer diameter of cylindrical tube even is identical, and the outer diameter of the conical tube distal end is less than the outer diameter of its proximal end.
Further, the needle tubing successively includes needle point, conical tube and the first cylindrical tube from distal end to proximal end, described
Needle tubing axial length range is 290-400mm, and the axial length range of the conical tube is 30-100mm.
Further, the needle tubing successively includes needle point, the second cylindrical tube, conical tube and first from distal end to proximal end
Cylindrical tube, the needle tubing axial length range are 290-400mm, the axial length of second cylindrical tube and conical tube
Summation range is 30-100mm, and the axial length ratio range of second cylindrical tube and conical tube is 1:2-5.
Further, the needle tubing successively includes needle point, the second cylindrical tube and conical tube from distal end to proximal end, described
Needle tubing axial length range is 290-400mm, and the axial length summation range of second cylindrical tube is 30-100mm,
Further, the outer surface of needle tubing conical tube distal end and the outer surface of needle point are equipped with hydrophilic coating.
Further, the needle tubing conical tube distal end is equipped with the spiral ring ultrasound identification line of spacing gradual change.
Further, the needle tubing is fixed by way of glue or die casting with the handle.
Further, the handle body is rotary body；Surface is provided with cue mark, the cue mark direction and takes
Ovum needle needle point edge direction is consistent.
Further, the cue mark is set as groove, and the groove is ellipse or circle.
Further, the distal end of the handle body is provided with rotary table, is provided at the axial centre of the rotary table
The cylindrical hole passed through for the needle tubing.
Further, further include silica gel plug, negative tube and negative pressure pipe fitting, be provided on the silica gel plug the first inner hole and
The proximal end of second inner hole, the cell diversion pipe is inserted into the first inner hole of silica gel plug, and silica gel is inserted into the distal end of the negative tube
In second inner hole of plug, the proximal end of the negative tube is connected with negative pressure pipe fitting, and the silica gel plug is used for for being tightly connected one
Accommodate the container of ovum.
Further, first inner hole and the second inner hole are tapered, and the diameter of entrance is greater than the diameter of outlet.
Further, axially bored line is parallel to each other in first inner hole and second.
The utility model comparison the prior art have it is following the utility model has the advantages that single-lumen ovum pickup needle provided by the utility model needle
Pipe is integrally consistent constant, the outer diameter of needle tubing entirety using cylindrical tube, the segmentation variable diameter design of conical tube, needle tubing internal diameter
It is presented and is gradually reduced to distal end by proximal end；The outer diameter of needle tubing proximal end is greater than the outer diameter of needle tubing distal end, it can be ensured that surgical staff behaviour
Needle tubing has preferable rigidity and toughness when making；Needle tubing distal outer diameter is gradually reduced, and can effectively reduce needle point in surgical procedure
Generated wound area when puncture, to reduce the amount of bleeding of surgical procedure.
Detailed description of the invention
Fig. 1 is the single-lumen ovum pickup needle structural schematic diagram of the utility model embodiment；
Fig. 2 is the needle tubing the schematic diagram of the section structure of the utility model embodiment；
Fig. 3 is the silica gel plug the schematic diagram of the section structure of the utility model embodiment；
Fig. 4 is the opaque handle arrangement schematic diagram of the utility model embodiment；
Fig. 5 is the handle profile structural schematic diagram of the utility model embodiment；
Fig. 6 is the structural schematic diagram of transparent handle in the utility model embodiment；
Fig. 7 is the needle tubing the schematic diagram of the section structure of the utility model second embodiment；
Fig. 8 is the needle tubing the schematic diagram of the section structure of the utility model 3rd embodiment.
In figure:
1 needle tubing, 2 handle, 3 cell diversion pipe
4 silica gel plug, 5 negative tube 6, negative pressure pipe fitting
7 test tube, 21 rotary table, 22 cue mark
23 cylindrical hole, 41 first inner hole, 42 second inner hole
101 first cylindrical tube, 102 conical tube, 103 second cylindrical tube
102 ' 103 ' second cylindrical tube of conical tube, 104 ' needle point
The outlet of 104 needle point, 401 entrance 402
Specific embodiment
The utility model will be further described with reference to the accompanying drawings and examples.
Proximal end described in the present embodiment refers to one end far from needle point, distally refers to close to one end of needle point.
Embodiment 1
Referring to Figure 1, single-lumen ovum pickup needle provided by the utility model includes needle tubing 1, handle 2, cell diversion pipe 3, silica gel
Plug 4, negative tube 5 and negative pressure pipe fitting 6；The proximal end of needle tubing 1 is connect with the distal end of cell diversion pipe 3, and handle 2 is at least partly arranged
In the junction of needle tubing 1 and cell diversion pipe 3.Referring to Fig. 2, needle tubing 1 is tubular housing, axial length 290-400mm,
It successively include needle point 104, conical tube 102 and the first cylindrical tube 101 from distal end to proximal end；The axial direction of conical tube 102 is long
Degree is 30-100mm；The internal diameter of first cylindrical tube 101 is identical as the internal diameter of conical tube 102；Outside 102 distal end of conical tube
Diameter is less than the outer diameter of its proximal end.Preferably, the surface of 102 distal surface of conical tube and needle point 103 is equipped with hydrophilic coating, can be with
Reduce frictional resistance when puncturing ovarian wall；Preferably, the distal end of conical tube 102 is equipped with the ultrasound of spiral ring spacing gradual change
Identify line.
Fig. 4-Fig. 6 is referred to, ovum needle needle tubing 1 is taken to pass through the method for glue or die casting in advance and take ovum needle handle 2
It is fixed together, 2 ontology global approximation of handle is in rotary body, convenient for rotation and is held；Surface is provided with cue mark 22, preferably
Ground, cue mark are set as groove, and groove shapes are ellipse or round, 22 direction of cue mark and take 104 sword of ovum needle needle point
Mouth direction is consistent, and in operation, operator can judge take the orientation of 104 cutting edge of ovum needle needle point by the position of groove；The end of handle 2
Portion is provided with rotary table 21, convenient for taking the placement and fixation of ovum needle protective case, is provided at the axial centre of rotary table 21 and wears for needle tubing 1
The cylindrical hole 23 crossed takes ovum needle needle tubing 1 to be inserted into inside handle 2 by cylindrical hole 23.Handle 2 can be by transparent or opaque material
It is made, when handle 2 is made of transparent material, as shown in Figure 6；When handle 2 is made of transparent materials, as shown in Figure 4.
Refer to Fig. 3, the axis that silica gel plug 4 is equipped with 2 taper variable diameters is parallel to each other perforative inner hole, respectively first
Inner hole 41 and the second inner hole 42, diameter are the entrance 401 of the first inner hole 41, the second inner hole 42 greatly, and diameter is small in first
The first inner hole 41 of silica gel plug 4 is inserted into the outlet 402 in hole 41, the second inner hole 42, the proximal end of cell diversion pipe 3 from entrance 401
In；From the second inner hole 42 for being inserted into silica gel plug 4 from entrance 401, proximal end and the negative tube of negative tube 5 are connect for the distal end of negative tube 5
First 6 are connected, and silica gel plug 4 blocks 7 nozzle of test tube.Cell diversion pipe 3, negative tube 5 and silica gel plug 4 can be improved in the inner hole of taper variable diameter
Assembly leakproofness between inner hole.Preferably, cell diversion pipe 3 and negative tube 5 are by PTFE (polytetrafluoroethylene (PTFE)), FEP (fluorinated ethylene-propylene
Alkene), TPU (polyurethane elastomer), one of medical macromolecular materials such as PA (nylon) are made.
Puncture procedure can be carried out after ovum needle protective case will be taken to take out when use.During operation puncturing, conical pipe
Body 102 enters punctures ovarian wall in vivo, and the first cylindrical tube 101 is exposed in vitro.The outer diameter of first cylindrical tube 101 is larger,
It may insure that needle tubing has preferable rigidity when surgical staff operation；The outer diameter of 102 distal end of conical tube is smaller, can effectively reduce
Generated wound area when needle point punctures in surgical procedure, so that the amount of bleeding for reducing surgical procedure mitigates patient suffering.It takes
After ovum needle enters ovary, since there are pressure difference, needle tubing 1 extracts the ovum in ovary in test tube 7, ovum passes sequentially through needle tubing 1, thin
Born of the same parents' diversion pipe 3 finally enters in test tube 7, and completion takes ovum process.
Embodiment 2
Single-lumen ovum pickup needle provided in this embodiment, wherein needle tubing structure is different from embodiment 1, other structures and embodiment 1
It is identical.
Fig. 7 is referred to, the needle tubing in the present embodiment is tubular housing, axial length 290-400mm, from distal end to close
End is followed successively by needle point 104, the second cylindrical tube 103, conical tube 102, the first cylindrical tube 101, wherein the second cylindrical tube
103 and the axial overall length of conical tube 102 be 30-100mm, the axial length of the second cylindrical tube 103 and conical tube 102
Ratio range is 1:2-5；Second cylindrical tube 103, conical tube 102 are identical with the internal diameter of the first cylindrical tube 101；Conical pipe
The outer diameter of 102 distal end of body is less than the outer diameter of its proximal end, the outer diameter of the outer diameter of 102 distal end of conical tube and the second cylindrical tube 103
Identical, the outer diameter of 102 proximal end of conical tube is identical as the outer diameter of the first cylindrical tube 101.
Puncture procedure can be carried out after ovum needle protective case will be taken to take out when use.During operation puncturing, the second circle
Column tube body 103 and conical tube 102 (or part conic tube body 102) enter punctures ovarian wall in vivo, and the first cylindrical tube 101 is naked
It is exposed to external.The outer diameter of first cylindrical tube 101 is larger, it can be ensured that needle tubing has preferable rigidity when surgical staff operates；The
The outer diameter of 102 distal end of two cylindrical tubes 103 and conical tube is smaller, can effectively reduce and be produced when needle point punctures in surgical procedure
Raw wound area, so that the amount of bleeding for reducing surgical procedure mitigates patient suffering.After taking ovum needle to enter ovary, due to test tube 7
Inside there is pressure difference, needle tubing 1 extracts the ovum in ovary, and ovum passes sequentially through needle tubing 1, cell diversion pipe 3 finally enters test tube 7
Interior, completion takes ovum process.
Embodiment 3
Single-lumen ovum pickup needle provided in this embodiment, wherein needle tubing structure is different from embodiment 1, other structures and embodiment 1
It is identical.
Fig. 8 is referred to, the needle tubing in the present embodiment is tubular housing, axial length 290-400mm, from distal end to close
End is followed successively by needle point 104 ', the second cylindrical tube 103 ', conical tube 102 ', wherein the axial overall length of the second cylindrical tube 103
Degree is 30-100mm；Second cylindrical tube 103 ' is identical with the internal diameter of conical tube 102 '；The outer diameter of 102 ' distal end of conical tube
Less than the outer diameter of its proximal end, the outer diameter of 102 ' distal end of conical tube is identical as the outer diameter of the second cylindrical tube 103 '.
Puncture procedure can be carried out after ovum needle protective case will be taken to take out when use.During operation puncturing, the second circle
Column tube body 103 ' enters punctures ovarian wall in vivo, and conical tube 102 ' is exposed in vitro.The outer diameter of conical tube 102 ' is larger, can
Needle tubing has preferable rigidity when ensuring surgical staff operation；The outer diameter of second cylindrical tube 103 ' is smaller, can effectively reduce
Generated wound area when needle point punctures in surgical procedure, so that the amount of bleeding for reducing surgical procedure mitigates patient suffering.It takes
After ovum needle enters ovary, since there are pressure difference, needle tubing 1 extracts the ovum in ovary in test tube 7, ovum passes sequentially through needle tubing 1, thin
Born of the same parents' diversion pipe 3 finally enters in test tube 7, and completion takes ovum process.
Although the utility model is disclosed as above with preferred embodiment, so it is not intended to limit the utility model.Any
Field technical staff, the present utility model is not limited to the above embodiments, without departing from the spirit and scope of the utility model,
Some modifications and perfect can be still carried out, but are considered as the range that the utility model is protected.
Claims (13)
1. a kind of single-lumen ovum pickup needle, including needle tubing, handle and cell diversion pipe, the proximal end of the needle tubing and cell diversion pipe it is remote
End is connected, and the handle is at least partly sheathed on the needle tubing；It is characterized in that, the needle tubing is tubular housing, from distal end
It include needle point, cylindrical tube and conical tube to proximal end；The internal diameter of the cylindrical tube and the internal diameter of conical tube are identical, described
The outer diameter of conical tube end and identical as the outer diameter of the cylindrical tube that its end is connected, the conical tube distal end it is outer
Diameter is less than the outer diameter of its proximal end.
2. single-lumen ovum pickup needle as described in claim 1, which is characterized in that the needle tubing successively includes needle from distal end to proximal end
Point, conical tube and the first cylindrical tube, the needle tubing axial length range are 290-400mm, the axial direction of the conical tube
Length range is 30-100mm.
3. single-lumen ovum pickup needle as described in claim 1, which is characterized in that the needle tubing successively includes needle from distal end to proximal end
Point, the second cylindrical tube, conical tube and the first cylindrical tube, the needle tubing axial length range are 290-400mm, described the
The axial length summation range of two cylindrical tubes and conical tube is 30-100mm, second cylindrical tube and conical tube
Axial length ratio range is 1:2-5.
4. single-lumen ovum pickup needle as described in claim 1, which is characterized in that the needle tubing successively includes needle from distal end to proximal end
Point, the second cylindrical tube and conical tube, the needle tubing axial length range are 290-400mm, second cylindrical tube
Axial length summation range is 30-100mm.
5. single-lumen ovum pickup needle as described in claim 1, which is characterized in that the outer surface of needle tubing conical tube distal end and needle
The outer surface of point is equipped with hydrophilic coating.
6. single-lumen ovum pickup needle as described in claim 1, which is characterized in that the needle tubing conical tube distal end is equipped with spacing gradual change
Spiral ring ultrasound identify line.
7. single-lumen ovum pickup needle as described in claim 1, which is characterized in that the needle tubing and the handle pass through glue or mold
The mode of casting is fixed.
8. single-lumen ovum pickup needle as claimed in claim 1 or 7, which is characterized in that the handle body is rotary body；Surface setting
There is cue mark, the cue mark direction is consistent with ovum needle needle point edge direction is taken.
9. single-lumen ovum pickup needle as claimed in claim 8, which is characterized in that the cue mark is set as groove, the groove
For ellipse or circle.
10. single-lumen ovum pickup needle as described in claim 1, which is characterized in that the distal end of the handle body is provided with circle
Platform is provided with the cylindrical hole passed through for the needle tubing at the axial centre of the rotary table.
11. single-lumen ovum pickup needle as described in claim 1, which is characterized in that further include that silica gel plug, negative tube and negative tube connect
Head, is provided with the first inner hole and the second inner hole on the silica gel plug, and the first of the proximal end insertion silica gel plug of the cell diversion pipe
In inner hole, in the second inner hole of the distal end insertion silica gel plug of the negative tube, proximal end and the negative pressure pipe fitting phase of the negative tube
Even, the silica gel plug is used to be tightly connected one for accommodating the container of ovum.
12. single-lumen ovum pickup needle as claimed in claim 11, which is characterized in that first inner hole and the second inner hole are tapered,
The diameter of entrance is greater than the diameter of outlet.
13. single-lumen ovum pickup needle as claimed in claim 11, which is characterized in that axially bored line is mutual in first inner hole and second
In parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721833220.8U CN208808611U (en) | 2017-12-25 | 2017-12-25 | A kind of single-lumen ovum pickup needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721833220.8U CN208808611U (en) | 2017-12-25 | 2017-12-25 | A kind of single-lumen ovum pickup needle |
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| Publication Number | Publication Date |
|---|---|
| CN208808611U true CN208808611U (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721833220.8U Active CN208808611U (en) | 2017-12-25 | 2017-12-25 | A kind of single-lumen ovum pickup needle |
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| CN (1) | CN208808611U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141332A (en) * | 2019-06-01 | 2019-08-20 | 青岛大学附属医院 | It is a kind of to take ovum needle with flexible protection head |
| CN113598946A (en) * | 2021-08-30 | 2021-11-05 | 宁波市第一医院 | Take visual puncture of super microchannel of negative pressure suction's percutaneous kidney and expand integrative external member |
-
2017
- 2017-12-25 CN CN201721833220.8U patent/CN208808611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141332A (en) * | 2019-06-01 | 2019-08-20 | 青岛大学附属医院 | It is a kind of to take ovum needle with flexible protection head |
| CN113598946A (en) * | 2021-08-30 | 2021-11-05 | 宁波市第一医院 | Take visual puncture of super microchannel of negative pressure suction's percutaneous kidney and expand integrative external member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191202 Address after: 201318 Room 401, building 24, No. 1-28, Lane 588, Tianxiong Road, Pudong New Area, Shanghai Patentee after: Shanghai Mingyue Medical Technology Co., Ltd Address before: 201318 building 24, 588 lane, Tian Xiong Road, Pudong New Area, Shanghai. Patentee before: Shanghai Microport Lifescience Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220507 Address after: 201318 Room 401, building 24, no.1-28, Lane 588, Tianxiong Road, Pudong New Area, Shanghai Patentee after: Shanghai Mingyue Medical Technology Co.,Ltd. Patentee after: Zhejiang Mingyue Medical Technology Co., Ltd Address before: 201318 Room 401, building 24, no.1-28, Lane 588, Tianxiong Road, Pudong New Area, Shanghai Patentee before: Shanghai Mingyue Medical Technology Co.,Ltd. |