CN107495989A - Multiple spot puncture needle for testicle - Google Patents
Multiple spot puncture needle for testicle Download PDFInfo
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- CN107495989A CN107495989A CN201710882071.2A CN201710882071A CN107495989A CN 107495989 A CN107495989 A CN 107495989A CN 201710882071 A CN201710882071 A CN 201710882071A CN 107495989 A CN107495989 A CN 107495989A
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- outside
- puncture needle
- needle
- puncture
- sliding block
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
- A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B10/0058—Devices for taking samples of body liquids for taking sperm samples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
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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
- A61B17/43—Gynaecological or obstetrical instruments or methods for reproduction or fertilisation for artificial insemination
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B2010/0208—Biopsy devices with actuators, e.g. with triggered spring mechanisms
Abstract
The present invention relates to a kind of multiple spot puncture needle for testicle, described puncture needle includes inner side syringe needle and fixes sliding block, outside syringe needle fixation sliding block, inner side buckle, outside buckle, inner side sliding recess, outside sliding recess, inner side spring, outer lateral spring, control button, protective housing, inner side puncture needle and outside puncture needle.Its advantage is shown：A kind of multiple spot puncture needle for testicle of the present invention, enough tissues can be passed by multiple punch biopsy and on the one hand can be used for histopathological examination, it is convenient that testicular spermatogenic function is assessed, on the other hand direct microscope inspection can also be carried out and find out sperm in vitro fertilization during " test-tube baby ", to disorganization very little, it is easy to operate, security is good, new puncture instrument can be turned into, clinically promote having broad application prospects.
Description
Technical field
The present invention relates to technical field of medical instruments, is a kind of multiple spot puncture needle for testicle specifically.
Background technology
Counted according to the World Health Organization (WHO), the whole world about 10-15% couple at child-bearing age there is the problem of infertility, wherein
Male factor accounts for half of sterility or so.And in male sterility, the problem of azoospermia is undoubtedly most serious.In nothing
In the diagnosis and treatment of sperm disease, diagnosis, parting and the next step therapeutic scheme of testicular biopsy or testis biopsy for azoospermia
Decision-making all play vital effect.
Testicular biopsy is the new technology developed in recent years, as Issues of Human Assisted Reproductive Technologies is applied to infertile treatment
Fast development, particularly intracytoplasmic sperm injection needs the assessment by testicular needle aspiration or testicular spermatogenic function to get over
Come it is more, therefore the puncture to testis apparatus renewal it is more urgent.
Have the following disadvantages in the prior art on the apparatus used in testicular biopsy and defect：
1. it is seldom that traditional testicular biopsy method has a puncturing tissue, histopathological examination on the one hand can not be carried out, it is another
Conveniently also reduce the probability for finding sperm.And although testis biopsy can obtain more testis tissue, histopathology is met
The needs checked are learned, but it is on the one hand time-consuming longer, on the other hand, it can only typically choose certain point biopsy, it is impossible to represent whole
The production of sperm situation of testis.
2. clinically do testis biopsy at present frequently with a kind of Cheng Shi pins, it is by biopsy group using negative pressure from the side opening of pin
Knit and aspirate into biopsy needle in-core, then obtain biopsy by rotating biopsy nook closing member.Following technology be present and lack in this equipment
Fall into：In the case where extraction live body testis tissue is undesirable, it is necessary to be punctured again or even repeatedly to patient's testis, until taking
To preferable live body testis tissue, patient is extremely painful, moreover, also increasing the probability of patient's infection；
3. puncture needle for testicle of the prior art generally comprises nook closing member and needle cannula.When being punctured, medical personnel one
Hand steered firmly testis, is pierced into testis to obtain testis tissue, testis tissue liquid by needle cannula front end together with nook closing member on the other hand.But
In above-mentioned puncture process, the beeline between the hand of medical personnel two is unfixed, once medical personnel are firmly excessive, then may be used
The phenomenon that inserting needle is too deep or even penetrates can be caused, causes Accessory injury, in addition, the position outside the hand of medical personnel or patient's puncture
Also easily pricked when being operated, cause iatrogenic injury.
Chinese patent literature CN03203228.5, the applying date 20030213, patent name is：Porous epididymis puncture needle, it is public
A kind of porous epididymis puncture needle is opened, it has needle stand, and needle tubing is installed on needle stand, and through hole is opened up on needle tubing, side opening, pin are opened up on needle tubing
Pipe end is taken the form of inclined plane, and fixed cover is installed on the lateral wall of needle tubing, and fixed cover one end is connected with needle stand.
The puncture needle of above-mentioned patent document, it reduces the painful, noninvasive of patient in Direct perforantes testis, change otomy
While hindering, do not pollute, not staying sequelae, have and be easily mastered the excellent of depth of needle, the accuracy for ensureing operation and security
Point.But enough tissue can be passed by multiple punch biopsy carry out direct microscope inspection on a kind of and find out sperm using
In " test-tube baby " ovum is taken in extracorporeal fertilization process on the day of the sperm that needs, to disorganization very little, available for histopathology
Learn and check, convenient that testicular spermatogenic function is assessed, easy to operate, safe technical scheme is then without corresponding open.
In summary, it is necessary on the one hand a kind of can pass enough tissues available for tissue disease by multiple punch biopsy
Neo-Confucianism checks, convenient that testicular spermatogenic function is assessed, and on the other hand can also carry out direct microscope inspection and find out sperm use
Multiple spot puncture needle for testicle in vitro fertilization during " test-tube baby ", easy to operate, safe, and worn on middle multiple spot testis
Pricker yet there are no report.
The content of the invention
The purpose of the present invention is to be directed to deficiency of the prior art, there is provided one kind can pass foot by multiple punch biopsy
On the one hand enough tissues can be used for histopathological examination, convenient that testicular spermatogenic function is assessed, and on the other hand can also
Carry out direct microscope inspection and find out the multiple spot testis in vitro fertilization, easy to operate, safe that sperm is used for during " test-tube baby "
Ball puncture needle.
To achieve the above object, the present invention adopts the technical scheme that：
A kind of multiple spot puncture needle for testicle, described puncture needle includes inner side syringe needle fixation sliding block, outside syringe needle fixes sliding block,
Inner side buckle, outside buckle, inner side sliding recess, outside sliding recess, inner side spring, outer lateral spring, control button, containment vessel
Body, inner side puncture needle and outside puncture needle；The medial end of described protective housing is provided with control button；The protective housing
Outside sliding recess and inner side sliding recess are provided with, inner side sliding recess is connected outer sideslip with the boundary of outside sliding recess
The boundary connection inside block block piece of block block piece, inner side sliding recess and control button；Described outside sliding recess
In be connected with outside syringe needle and fix sliding block, outside syringe needle fixes sliding block and is provided with outside buckle, the outside buckle and outer side slide
Block piece is engaged, and the outer peripheral face of outside buckle is provided with outer lateral spring；Inner side pin is connected with described inner side sliding recess
The fixed sliding block of head, inner side syringe needle fix sliding block and are provided with inner side buckle, and the inner side buckle is engaged with inside block block piece, and
The outer peripheral face of inner side buckle is provided with inner side spring；Described outside puncture needle is connected to outside syringe needle and fixed on sliding block, described interior
Side puncture needle is connected to inner side syringe needle and fixed on sliding block, and outside puncture needle and inner side puncture needle are four, and each outside punctures
Pin corresponds to inner side puncture needle and forms a set of puncture needle component therewith, often covers puncture needle component and forms a point of puncture；Described is interior
Side puncture needle is provided with tissue groove；Described inner side puncture needle passes through under puncture state from the passage in the puncture needle of outside,
And form of the outside puncture needle with inner side puncture needle for tight fit.
As a kind of perferred technical scheme, described outside buckle and inner side buckle are equipped with two tongue pieces, if piece is
It is barb-shaped.
As a kind of perferred technical scheme, described control button and inner side syringe needle, which are fixed on sliding block, is equipped with buckle sky
Chamber, and the inclined plane being engaged with tongue piece is provided with buckle cavity.
As a kind of perferred technical scheme, described inner side syringe needle fixes sliding block and outside syringe needle fixes the main body of sliding block
Cross section is cross；Side chute groove and inner side sliding recess are two outside described outside, are distributed in guarantor up and down
On protective case body.
As a kind of perferred technical scheme, described outside puncture needle and inner side puncture needle share four, are formed altogether
Four points of puncture, and four points of puncture are centrosymmetric distribution.
As a kind of perferred technical scheme, described inner side syringe needle fixes sliding block and outside syringe needle fixes the main body of sliding block
Cross section is cross.
As a kind of perferred technical scheme, side chute groove and inner side sliding recess are two outside described outside
It is individual, it is distributed in up and down in protective housing.
As a kind of perferred technical scheme, described outside sliding recess and inner side sliding recess are to be coaxially set
, it is coaxially set.
As a kind of perferred technical scheme, described outer side slide block piece and inside block block piece are equipped with wedge
Face.
As a kind of perferred technical scheme, geometrical clamp is additionally provided with the protective housing, the geometrical clamp is by two folders
Piece forms, and intermediate plate distal end is arc cleft hand form, and intermediate plate near-end is hinged with protective housing, and the junction of intermediate plate and protective housing
Provided with spring leaf.
The invention has the advantages that：
1st, a kind of multiple spot puncture needle for testicle of the invention, enough tissues can be passed by multiple punch biopsy on the one hand
It is convenient that testicular spermatogenic function is assessed available for histopathological examination, it on the other hand can also carry out direct microscope
Inspection find out sperm be used for it is in vitro fertilization during " test-tube baby ", it is easy to operate, security is good, new puncture outfit can be turned into
Tool, clinically promote and have broad application prospects；
2nd, provided with protective housing, play and protect effect attractive in appearance；Outside syringe needle fixes sliding block and inner side syringe needle fixes sliding block
Protrusion control unit is equipped with, can be slided manually, it is easy to operate；
3rd, fix sliding block provided with outside syringe needle and inner side syringe needle fixes sliding block, and outside puncture needle is connected to outside syringe needle
On fixed sliding block, inner side puncture needle is connected to inner side syringe needle and fixed on sliding block, fixes sliding block when outside syringe needle and consolidates with inner side syringe needle
The cooperation of fixed slider, it can trigger control outside puncture needle slide and punctured, when control button and inner side syringe needle fix sliding block
Coordinate, can trigger inner side puncture needle slide and punctured, and only need direct operational control button, can be achieved with outside puncture needle
Puncture working is carried out with inner side puncture needle, ingenious in design, it is convenient to puncture；
4th, provided with outside buckle and inner side buckle, play fixation for tongue piece, tongue piece is designed to barb-shaped, had
The fixed and function that unlocks；
5th, provided with outer side slide block piece and inside block block piece, be on the one hand used for fixed outside syringe needle fix sliding block with
And inner side syringe needle fix sliding block, on the other hand limit outside sliding recess and inner side sliding recess apart from stroke, puncture force
Spend controllable；
6th, inner side puncture needle is provided with tissue groove, provides place for puncturing tissue, avoids tissue loss；
7th, inner side spring and outer lateral spring are spiked through and provides motive force by discharging elastic potential energy, and then promotes inner side
Puncture needle and outside puncture needle carry out puncture working, puncture process fast accurate, puncture success rate height；
8th, outside sliding recess is coaxially set with inner side sliding recess, is coaxially set, is easy in puncture process,
Outside puncture needle and inner side puncture needle can precision-fit, be easy to obtain tissue；
9th, it is criss-cross shape design that outside syringe needle, which fixes sliding block and the cross section of inner side syringe needle fixation sliding block, the design method
Outside puncture needle and inner side puncture needle can be fixed on each limb, i.e., outside puncture needle and inner side puncture needle share four respectively
Individual, each outside puncture needle and inner side puncture needle are one group of formation, four points of puncture, can obtain four pieces of tissues simultaneously, be formed altogether
Four points of puncture, realize multiple spot puncture；
10th, protective housing is provided with geometrical clamp, facilitates doctor's operation to replace human hand to help testis, it is ensured that outside puncture needle
And inner side puncture needle can be stablized and penetrate, avoid inserting needle too deep or penetration phenomenon；Doctor's both hands are replaced simultaneously, avoid stabbing,
Security is good.
Brief description of the drawings
Accompanying drawing 1 is the contraction state schematic diagram of the multiple spot puncture needle for testicle of the present invention.
Accompanying drawing 2 is the release conditions schematic diagram of the multiple spot puncture needle for testicle of the present invention.
Accompanying drawing 3 is the diagrammatic cross-section of the multiple spot puncture needle for testicle of the present invention.
Accompanying drawing 4 is the close-up schematic view of the multiple spot puncture needle for testicle of the present invention.
Accompanying drawing 5 is inner side puncture needle and outside puncture needle the relative position change schematic diagram under puncture state.
Accompanying drawing 6 is the cross-sectional view of the multiple spot puncture needle for testicle of the present invention.
Accompanying drawing 7 is the connection diagram with geometrical clamp of the multiple spot puncture needle for testicle of the present invention.It refer to Fig. 8,
Accompanying drawing 8 is the left view schematic diagram with geometrical clamp of the multiple spot puncture needle for testicle of the present invention.
Embodiment
Embodiment provided by the invention is elaborated below in conjunction with the accompanying drawings.
The reference and part being related in accompanying drawing are as follows：
1. outside syringe needle fixes the inner side syringe needle of sliding block 2. and fixes sliding block
3. the inner side buckle of outside buckle 4.
5. the outer inner side spring of lateral spring 6.
7. the inner side sliding recess of outside sliding recess 8.
9. the protective housing of control button 10.
11. the outer inside block block piece of side slide block piece 12.
13. the buckle cavity of tongue piece 14.
15. the inner side puncture needle of inclined plane 16.
17. the tissue groove of outside puncture needle 18.
19. the geometrical clamp of wedge face 20.
For the ease of clearly describing whole technical scheme, description below has used term " outside ", " inner side ", wherein " outer
Side " is Shenfu Fig. 1 directional reference and set that the left side of i.e. face accompanying drawing 1 is defined as " outside ", and the right is defined as " interior
Side ".
Fig. 1, Fig. 2, Fig. 3 are refer to, Fig. 1 is the contraction state schematic diagram of the multiple spot puncture needle for testicle of the present invention.Fig. 2 is this
The release conditions schematic diagram of the multiple spot puncture needle for testicle of invention.Fig. 3 is the diagrammatic cross-section of the multiple spot puncture needle for testicle of the present invention.
A kind of multiple spot puncture needle for testicle, described puncture needle include inner side syringe needle and fix sliding block 2, outside syringe needle fixation sliding block 1, inner side card
Button 4, outside buckle 3, inner side sliding recess 8, outside sliding recess 7, inner side spring 6, outer lateral spring 5, control button 9, protection
Housing 10, inner side puncture needle 16 and outside puncture needle 17；The medial end of described protective housing 10 is provided with control button 9；
The protective housing 10 is provided with outside sliding recess 7 and inner side sliding recess 8, inner side sliding recess 8 and outside sliding recess 7
Boundary connect outer side slide block piece 11, inner side sliding recess 8, which is connected inside block with the boundary of control button 9, to be stopped
Part 12；Outside syringe needle is connected with described outside sliding recess 7 and fixes sliding block 1, outside syringe needle fixes sliding block 1 and is provided with outside
Buckle 3, the outside buckle 3 are engaged with outer side slide block piece 11, and the outer peripheral face of outside buckle 3 is provided with outer lateral spring 5；Institute
Inner side syringe needle is connected with the inner side sliding recess 8 stated and fixes sliding block 2, inner side syringe needle fixes sliding block 2 and is provided with inner side buckle 4,
The inner side buckle 4 is engaged with inside block block piece 12, and the outer peripheral face of inner side buckle 4 is provided with inner side spring 6.
Fig. 4 is refer to, Fig. 4 is the close-up schematic view of the multiple spot puncture needle for testicle of the present invention.Described outside buckle 3
Two tongue pieces 13 are equipped with inner side buckle 4, if piece is barb-shaped；Described control button 9 and inner side syringe needle are fixed on sliding block 2
Buckle cavity 14 is equipped with, and the inclined plane 15 being engaged with tongue piece 13 is provided with buckle cavity 14.
Fig. 5 is refer to, Fig. 5 is the relative position change signal under puncture state of inner side puncture needle 16 and outside puncture needle 17
Figure.Described inner side puncture needle 16 is provided with tissue groove 18；Described inner side puncture needle 16 punctures under puncture state from outside
Passed through in passage in pin 17, and outside puncture needle 17 and the form that inner side puncture needle 16 is tight fit, the aperture of both sizes
Differ very little.
Fig. 6 is refer to, Fig. 6 is the cross-sectional view of the multiple spot puncture needle for testicle of the present invention.Described inner side syringe needle is consolidated
The body cross-section that fixed slider 2 and outside syringe needle fix sliding block 1 is cross；Side chute groove and interior outside described outside
Slideslip groove 8 is two, is distributed in up and down in protective housing 10；Described outside puncture needle 17 and inner side puncture needle 16 is equal
Four are shared, each outside puncture needle 17 corresponds to inner side puncture needle 16 and forms a set of formation puncture needle component therewith.
Fig. 7 and Fig. 8 are refer to, Fig. 7 is the connection diagram with geometrical clamp 20 of the multiple spot puncture needle for testicle of the present invention.Please
Reference picture 8, Fig. 8 are the left view schematic diagrams with geometrical clamp 20 of the multiple spot puncture needle for testicle of the present invention.In the protective housing 10
Geometrical clamp 20 is additionally provided with, the geometrical clamp 20 is made up of two intermediate plates, and intermediate plate distal end is arc cleft hand form, and intermediate plate near-end is with protecting
Protective case body 10 is be hinged, and intermediate plate and the junction of protective housing 10 are provided with spring leaf.
It should be noted that：
It is that resin material is made that described outside syringe needle, which fixes sliding block 1 and the material of inner side syringe needle fixation sliding block 2,
Outside syringe needle fixes one end connection outside puncture needle 17 of sliding block 1, and can be slided in outer Slideslip groove 7, and inner side syringe needle is consolidated
One end connection inner side puncture needle 16 of fixed slider 2, and can be slided in interior Slideslip groove 8；The outside syringe needle fixes sliding block 1
Sliding block 2 is fixed with inner side syringe needle and is equipped with protrusion control unit, can be slided manually；The outside puncture needle 17 and inner side puncture needle
16 length is 20cm.
Described outside buckle 3 is used for the position that fixed outside syringe needle fixes sliding block 1, and specific fixation principle is as follows：Outside
Buckle 3 fixes what sliding block 1 linked together with outside syringe needle, tongue piece 13 is provided with outside buckle 3, tongue piece 13 passes through outer sideslip
The passage of block block piece 11, after tongue piece 13 passes through, it is connected to outside syringe needle fixation sliding block 1 by the barb-shaped structure of tongue piece 13 and stops
The edge of part, it is achieved thereby that fixing the fixation of sliding block 1 to outside syringe needle.In addition, when needs release outside buckle 3 to outside
When syringe needle fixes sliding block 1, fix sliding block 2 by inner side syringe needle and be engaged with outside buckle 3 come what is realized, specific releasing is fixed former
Reason is as follows：Inner side syringe needle fixes sliding block 2 and is provided with buckle cavity 14, and fix sliding block 2 when inner side syringe needle is in contact with outside buckle 3
When, buckle cavity 14 is in contact with outside buckle 3, and during contact squeeze, buckle cavity 14 is by inclined plane 15 to tongue piece
13 apply the active force of oriented intermediate compression, when two tongue pieces 13 are to intermediate compression, departing from outer side slide block piece 11, and
Tongue piece 13 is moved to the outside from the passage of outer side slide block piece 11, so as to relieve the fixation that outside syringe needle fixes sliding block 1,
Outside puncture needle 17 is moved laterally.
Described inner side buckle 4 is used for the position that fixed inner side syringe needle fixes sliding block 2, and concrete principle is as follows：Inner side buckle 4
Fix what sliding block 2 linked together with inner side syringe needle, tongue piece 13 is provided with inner side buckle 4, if piece stops through inside block
The passage of part 12, after tongue piece 13 passes through, the edge of inside block block piece 12 is connected to by the barb-shaped structure of tongue piece 13, from
And realize the fixation that sliding block 2 is fixed to inner side syringe needle.In addition, working as needs to release inside block to inner side syringe needle fixation sliding block 2
When, coordinate by control button 9 and inside block block piece 12 with control button 9 come what is realized, specific releasing fixation principle is such as
Under：Control button 9 is provided with buckle cavity 14, when control button 9 is in contact with inner side buckle 4, buckle cavity 14 and inner side
Buckle 4 is in contact, and during contact squeeze, buckle cavity 14 relies on the oriented intermediate compression that inclined plane 15 applies to tongue piece 13
Active force, when two tongue pieces 13 are to intermediate compression, departing from inside block block piece 12, and tongue piece 13 hinders from inside block
Moved laterally in the passage of block piece 12, so as to relieve the fixation that inner side syringe needle fixes sliding block 2 so that the energy of inner side puncture needle 16
It is enough to move laterally.
Described inner side spring 6 and outer lateral spring 5 provide motive force by discharging elastic potential energy, and then promote inner side to wear
Pricker 16 and outside puncture needle 17 carry out puncture working, and puncture process fast accurate, puncture success rate is high, to disorganization
Very little, it is convenient that testicular spermatogenic function is assessed on the one hand available for histopathological examination, on the other hand it can also carry out
Direct microscope inspection finds out sperm in vitro fertilization during " test-tube baby ", because seminiferous tubule is more soft in testis
Tissue, if using puncture needle in the prior art by by the way of promoting manually, easily displacement, puncture success rate be not high.
The outside sliding recess 7 is that outside syringe needle fixes the offer sliding rail of sliding block 1, and the inner side sliding recess 8 is
Inner side syringe needle fixes sliding block 2 and provides sliding rail；Outside sliding recess 7 is coaxially set with inner side sliding recess 8, coaxially
Line is set, and is easy in puncture process, outside puncture needle 17 and inner side puncture needle 16 can precision-fit, be easy to obtain tissue.
Described outside syringe needle fixes the cooperation that sliding block 1 fixes sliding block 2 with inner side syringe needle, can trigger control outside puncture needle
17 slips are punctured, and the control button 9 fixes the cooperation of sliding block 2 with inner side syringe needle, be can trigger inner side puncture needle slide and are entered
Row punctures.And direct operational control button 9 is only needed, it can be achieved with outside puncture needle 17 and inner side puncture needle 16 carry out puncture work
Make, ingenious in design, it is convenient to puncture.
Described outer side slide block piece 11 and inside block block piece 12, on the one hand it is used for fixed outside syringe needle and fixes cunning
Block 1 and inner side syringe needle fix sliding block 2, on the other hand limit the distance row of outside sliding recess 7 and inner side sliding recess 8
Journey, because of different distance stroke, different size of puncture dynamics can be produced, i.e., is configured as needed.In addition, described outside
Sliding block block piece 11 and inside block block piece 12 are equipped with wedge face 19, the setting in wedge face 19 be facilitate tongue piece 13 penetrate or
Exit.
Described inner side puncture needle 16 is provided with tissue groove 18, and in puncture process, the tissue groove 18 accommodates testis group
Knit, then penetrated by outside puncture needle 17 along the outer peripheral face of inner side puncture needle 16, because of outside puncture needle 17 and inner side puncture needle
16 be close-fitting, and outside puncture needle 17 can be cut in puncture process to the testis tissue accommodated in tissue groove 18,
So as to obtain testis tissue, it can obtain and be easy to obtain enough tissues, directly be used for pathological examination or detection sperm
In in vitro fertilization.In addition, during exiting, the protrusion control unit that inner side syringe needle fixes sliding block 2 can be manually operated so that
Inner side buckle 4 is playbacked, and coordinates with inside block block piece 12 and locked, and sliding block 1 is fixed in manually operated outside syringe needle
Protrude control unit so that outside buckle 3 playbacks, and coordinates with outer side slide block piece 11 and locked.
After the inner side puncture needle 16 enters tissue, outside syringe needle is fixed sliding block 1 and is triggered, and outside puncture needle 17 exists
Under the impetus of the outer power of lateral spring 5, it can carry out rapidly so as to cut tissue of patient, puncture process is rapid.Due to when extremely short
Interior completion, it is significantly reduced patient's pain.
It is criss-cross shape design that described outside syringe needle, which fixes sliding block 1 and the cross section of inner side syringe needle fixation sliding block 2, and this sets
Meter mode can fix outside puncture needle 17 and inner side puncture needle 16 on each limb, i.e. outside puncture needle 17 and inner side puncture needle
16 share four respectively, and each outside puncture needle 17 and inner side puncture needle 16 are one group of formation, four points of puncture, can be obtained simultaneously
Four pieces of tissues, four points of puncture, and the formal distribution that four points of puncture are centrosymmetric are formed altogether, realize multiple spot puncture.
Preferable 4 points of punctures, the multiple spot that other manner is designed on this basic principle puncture in the present embodiment, such as two locus puncture, 3 points
Puncture or 5 points puncture etc., this is all within the protection domain of the present embodiment, it is not limited to which four in the present embodiment bring out into the open
Thorn.
Described protective housing 10 is provided with geometrical clamp 20, facilitates doctor's operation to replace human hand to help testis, it is ensured that outer
Side puncture needle 17 and inner side puncture needle 16, which can be stablized, penetrate, and avoid inserting needle too deep or penetration phenomenon；It is simultaneously double instead of doctor
Hand, avoid stabbing, security is good.In a state of use, when clamping geometrical clamp 20 with hand, such as bold portion can for geometrical clamp 20
Geometrical clamp 20 is opened, puncture needle is now put into correct position, spring leaf is housed under the portion of the handle of geometrical clamp 20, when loosing one's grip
When geometrical clamp 20 clamp such as dotted portion, now patient's testis will be jammed, and be relatively fixed with the position of puncture needle.
A kind of application method of multiple spot puncture needle for testicle of the present invention is as follows：Start control button 9, inner side spring 6 discharges
Elastic potential energy, triggering inner side syringe needle are fixed sliding block 2 and slided along inner side sliding recess 8, and syringe needle fixation sliding block 2 in inner side moves to outer
Side syringe needle stops when fixing sliding block 1, and puncture needle 16 is punctured on the inside of the process, while connects outside syringe needle and fix sliding block 1, outside
Spring 5 triggers elastic potential energy, and outside puncture needle 17 carries out cutting tissue.
A kind of multiple spot puncture needle for testicle of the present invention, it is convenient to testicular spermatogenic on the one hand available for histopathological examination
Function is assessed, and on the other hand can also be carried out direct microscope inspection and be found out sperm for external during " test-tube baby "
Fertilization, it is easy to operate, security is good, can turn into new puncture instrument, clinically popularization having broad application prospects；If
There is protective housing 10, play and protect effect attractive in appearance；Outside syringe needle fixation sliding block 1 and inner side syringe needle fixation sliding block 2 are equipped with convex
Go out control unit, can slide manually, it is easy to operate；Sliding block 1 is fixed provided with outside syringe needle and inner side syringe needle fixes sliding block 2, and will be outer
Side puncture needle 17 is connected to outside syringe needle and fixed on sliding block 1, and inner side puncture needle 16 is connected to inner side syringe needle and fixed on sliding block 2, when
Outside syringe needle fixes the cooperation that sliding block 1 fixes sliding block 2 with inner side syringe needle, and triggerable control outside puncture needle 17, which slides, to be worn
Thorn, when the cooperation of control button 9 and inner side syringe needle fixation sliding block 2, it can trigger inner side puncture needle slide and punctured, and only need
Direct operational control button 9, can be achieved with outside puncture needle 17 and inner side puncture needle 16 carries out puncture working, ingenious in design, wear
Thorn is convenient；Provided with outside buckle 3 and inner side buckle 4, play fixation for tongue piece 13, tongue piece 13 is designed to it is barb-shaped,
With the fixed and function that unlocks；Provided with outer side slide block piece 11 and inside block block piece 12, on the one hand it is used for solid
Fixed outside syringe needle fixes sliding block 1 and inner side syringe needle fixes sliding block 2, on the other hand limits outside sliding recess 7 and interior sideslip
Move the controllable apart from stroke, puncture dynamics of groove 8；Inner side puncture needle 16 is provided with tissue groove 18, and place is provided for puncturing tissue,
Avoid tissue loss；Spike through inner side spring 6 and outer lateral spring 5 and provide motive force by discharging elastic potential energy, and then push away
Dynamic inner side puncture needle 16 and outside puncture needle 17 carry out puncture working, puncture process fast accurate, puncture success rate height；Outside
Sliding recess 7 is coaxially set with inner side sliding recess 8, is coaxially set, is easy in puncture process, outside puncture needle 17
With inner side puncture needle 16 can precision-fit, be easy to obtain tissue；Outside syringe needle fixes sliding block 1 and inner side syringe needle fixes sliding block 2
Cross section be criss-cross shape design, the design method can fix outside puncture needle 17 and inner side puncture needle on each limb
16, i.e. outside puncture needle 17 and inner side puncture needle 16 shares four respectively, and each outside puncture needle 17 and inner side puncture needle 16 are
One group of formation, four points of puncture, can obtain four pieces of tissues simultaneously, form four points of puncture altogether, realize multiple spot puncture；Protection
Housing 10 is provided with geometrical clamp 20, facilitates doctor's operation to replace human hand to help testis, it is ensured that outside puncture needle 17 and inner side
Puncture needle 16, which can be stablized, penetrate, and avoid inserting needle too deep or penetration phenomenon；Doctor's both hands are replaced simultaneously, avoid stabbing, security
It is good.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of the inventive method is not departed from, can also make some improvement and supplement, and these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of multiple spot puncture needle for testicle, it is characterised in that described puncture needle includes inner side syringe needle and fixes sliding block, outside syringe needle
Fixed sliding block, inner side buckle, outside buckle, inner side sliding recess, outside sliding recess, inner side spring, outer lateral spring, control are pressed
Button, protective housing, inner side puncture needle and outside puncture needle；The medial end of described protective housing is provided with control button；
The protective housing is provided with outside sliding recess and inner side sliding recess, inner side sliding recess and outside sliding recess
Boundary connects the boundary connection inside block block piece of outer side slide block piece, inner side sliding recess and control button；Institute
Outside syringe needle is connected with the outside sliding recess stated and fixes sliding block, outside syringe needle fixes sliding block and is provided with outside buckle, and this is outer
Side buckle is engaged with outer side slide block piece, and the outer peripheral face of outside buckle is provided with outer lateral spring；
Inner side syringe needle is connected with described inner side sliding recess and fixes sliding block, inner side syringe needle fixes sliding block and is provided with inner side card
Button, the inner side buckle is engaged with inside block block piece, and the outer peripheral face of inner side buckle is provided with inner side spring；
Described outside puncture needle is connected to outside syringe needle and fixed on sliding block, and the inner side puncture needle is connected to inner side syringe needle and fixed
On sliding block, outside puncture needle and inner side puncture needle are four, and each outside puncture needle corresponds to inner side puncture needle composition one therewith
Puncture needle component is covered, puncture needle component is often covered and forms a point of puncture；Described inner side puncture needle is provided with tissue groove；Described
Inner side puncture needle passes through under puncture state from the passage in the puncture needle of outside, and outside puncture needle and inner side puncture needle are tight
The form of cooperation.
2. multiple spot puncture needle for testicle according to claim 1, it is characterised in that described outside buckle and inner side buckle is equal
Provided with two tongue pieces, if piece is barb-shaped.
3. multiple spot puncture needle for testicle according to claim 1, it is characterised in that described control button and inner side syringe needle is consolidated
Buckle cavity is equipped with fixed slider, and the inclined plane being engaged with tongue piece is provided with buckle cavity.
4. multiple spot puncture needle for testicle according to claim 1, it is characterised in that described inner side syringe needle fixes sliding block and outer
The body cross-section that side syringe needle fixes sliding block is cross；Side chute groove and inner side sliding recess are equal outside described outside
For two, it is distributed in up and down in protective housing.
5. multiple spot puncture needle for testicle according to claim 1, it is characterised in that described outside puncture needle and inner side puncture
Pin shares four, forms four points of puncture altogether, and four points of puncture are centrosymmetric distribution.
6. multiple spot puncture needle for testicle according to claim 1, it is characterised in that described inner side syringe needle fixes sliding block and outer
The body cross-section that side syringe needle fixes sliding block is cross.
7. multiple spot puncture needle for testicle according to claim 1, it is characterised in that described outer side chute groove and inner side
Sliding recess is two, is distributed in up and down in protective housing.
8. multiple spot puncture needle for testicle according to claim 1, it is characterised in that described outside sliding recess and interior sideslip
Dynamic groove is coaxially set, and is coaxially set.
9. multiple spot puncture needle for testicle according to claim 1, it is characterised in that described outer side slide block piece and inner side
Sliding block block piece is equipped with wedge face.
10. multiple spot puncture needle for testicle according to claim 1, it is characterised in that be additionally provided with fixation in the protective housing
Folder, the geometrical clamp are made up of two intermediate plates, and intermediate plate distal end is arc cleft hand form, and intermediate plate near-end is hinged with protective housing, and
The junction of intermediate plate and protective housing is provided with spring leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882071.2A CN107495989B (en) | 2017-09-26 | 2017-09-26 | Multi-point testicular puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882071.2A CN107495989B (en) | 2017-09-26 | 2017-09-26 | Multi-point testicular puncture needle |
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| Publication Number | Publication Date |
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| CN107495989A true CN107495989A (en) | 2017-12-22 |
| CN107495989B CN107495989B (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710882071.2A Active CN107495989B (en) | 2017-09-26 | 2017-09-26 | Multi-point testicular puncture needle |
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| CN (1) | CN107495989B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392229A (en) * | 2018-04-12 | 2018-08-14 | 上海埃斯埃医械塑料制品有限公司 | A kind of cell taking gun obtaining soft tissue |
| CN109620308A (en) * | 2019-01-31 | 2019-04-16 | 宁夏医科大学总医院 | Epididymis/testicular needle aspiration device |
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| CN2728432Y (en) * | 2002-09-23 | 2005-09-28 | 山东省计划生育科学技术研究所 | Porous epididymis puncture needle |
| CN205095146U (en) * | 2015-11-20 | 2016-03-23 | 南通大学附属医院 | Prevent stabbing pjncture needle |
| CN106659487A (en) * | 2014-05-19 | 2017-05-10 | 生物技术部秘书 | A non-reusable intra-osseous access device and method thereof |
| CN107174294A (en) * | 2017-06-01 | 2017-09-19 | 施康培医疗科技（武汉）有限公司 | A kind of secondary percussion biopsy needle device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728432Y (en) * | 2002-09-23 | 2005-09-28 | 山东省计划生育科学技术研究所 | Porous epididymis puncture needle |
| CN106659487A (en) * | 2014-05-19 | 2017-05-10 | 生物技术部秘书 | A non-reusable intra-osseous access device and method thereof |
| CN205095146U (en) * | 2015-11-20 | 2016-03-23 | 南通大学附属医院 | Prevent stabbing pjncture needle |
| CN107174294A (en) * | 2017-06-01 | 2017-09-19 | 施康培医疗科技（武汉）有限公司 | A kind of secondary percussion biopsy needle device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392229A (en) * | 2018-04-12 | 2018-08-14 | 上海埃斯埃医械塑料制品有限公司 | A kind of cell taking gun obtaining soft tissue |
| CN109620308A (en) * | 2019-01-31 | 2019-04-16 | 宁夏医科大学总医院 | Epididymis/testicular needle aspiration device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107495989B (en) | 2020-04-17 |
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