CN108420463A - A kind of hematology's marrow puncture needle - Google Patents
A kind of hematology's marrow puncture needle Download PDFInfo
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- CN108420463A CN108420463A CN201810229144.2A CN201810229144A CN108420463A CN 108420463 A CN108420463 A CN 108420463A CN 201810229144 A CN201810229144 A CN 201810229144A CN 108420463 A CN108420463 A CN 108420463A
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- needle tubing
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- 239000003463 adsorbent Substances 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 210000000988 bone and bone Anatomy 0.000 description 20
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- 230000006872 improvement Effects 0.000 description 10
- 239000012530 fluid Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 208000002193 Pain Diseases 0.000 description 4
- 210000001185 bone marrow Anatomy 0.000 description 4
- 230000036407 pain Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000009583 bone marrow aspiration Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- 238000003825 pressing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
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- 238000012938 design process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003692 ilium Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
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Classifications
-
- 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
- A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
-
- 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
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
-
- 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
- A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
- A61B2010/0258—Marrow samples
Abstract
The invention discloses a kind of hematology's marrow puncture needles,Its technical solution is that fixator includes locating ring and registration arm,The internal ring wall slip of locating ring is connected with shield,Shield, which is sheathed on, to be punctured outside needle tubing,Registration arm is set on the ring wall of locating ring and is connect with adsorbent,Syringe needle is more than the diameter for puncturing needle tubing with the diameter for puncturing the end face that needle tubing is connect,Shield includes fixing pipe and several deformation items,Fixing pipe is connect by screw thread with needle tubing is punctured,Several deformation items are connected along the axially extending and end face with fixing pipe of needle tubing is punctured,The other end of several deformation items and the end face of syringe needle are inconsistent,Several deformation items are inclined surface towards the face of needle tubing is punctured,The intracavity diameter of deformation tube is gradually reduced from fixing pipe to the extending direction of syringe needle,It punctures and is additionally provided with boss on the outer wall on needle tubing,The inner wall of boss and deformation tube is inconsistent,Solve the problems, such as that puncturing the marrow that needle tubing is collected into is mixed with other liquid.
Description
Technical field
The present invention relates to a kind of puncture needle, more particularly to a kind of hematology's marrow puncture needle.
Background technology
Bone marrow puncture is to acquire a kind of common diagnostic techniques of bone marrow fluid, and clinically bone marrow aspiration is also commonly used for haemocyte
Morphological examination, it can also be used to which candidate stem cell acquires, culture, CYTOGENETIC ANALYSIS OF ONE and Pathogen Biology inspection etc..
Based on usually being threaded a needle with bone marrow aspiration for acquiring the sampling instrument of bone marrow fluid, common marrow puncture needle is puncturing
Shi Dingxiang is inaccurate, and the syringe needle of marrow puncture needle may slide into ilium side, cannot enter ossis, or after penetrating ossis
It is pierced by ossis again；The marrow fixing fabric structure drawn simultaneously is inaccurate, and paracentesis depth can not also accurately control, through retrieving and finding
One application No. is the patent of CN201610682531.2, the patent solve the problems, such as to a certain extent it is aforementioned, but still
There is defects：When penetrating human skin, puncturing needle tubing lower surface can hook puncture needle tubing in the patent equipped with screwed ring
Skin histology is strangled and scratched, more feeling of pains are brought to patient；In screwed ring for marrow by pin hole as people
Body tissue and block, influence the acquisition of marrow；The liquid of its hetero-organization of human body is flowed by pin hole and is punctured in needle tubing simultaneously, is influenced
The marrow components collected below influence judgement of the doctor to conditions of patients.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of small to injury of human and can collect height
Hematology's marrow puncture needle of purity marrow.
To achieve the above object, the present invention provides following technical solutions：A kind of hematology's marrow puncture needle, includes to wear
Pricker pipe, described one end for puncturing needle tubing are arranged with handle, and the other end for puncturing needle tubing is connected with syringe needle, and the puncture needle tubing leans on
Pin hole is provided on the side wall of nearly syringe needle, the pin hole is connected to the inner cavity for puncturing needle tubing, and the puncture needle tubing is close to handle
Reservoir is provided on side wall, the reservoir is connected to the inner cavity for puncturing needle tubing, and negative pressure is equipped at the top of the reservoir
Air bag, the negative pressure gasbag are connected to reservoir, and fixator, the end of the fixator are connected on the outer wall for puncturing needle tubing
Portion is connected with adsorbent, and the fixator includes locating ring and registration arm, and the internal ring wall slip of the locating ring is connected with
Shield, the shield, which is sheathed on, to be punctured outside needle tubing, and the registration arm is set on the ring wall of locating ring and is connect with adsorbent, institute
It includes fixing pipe and several deformation items to state shield, and the fixing pipe is connect by screw thread with needle tubing is punctured, described in several
Deformation item is connected along the axially extending and end face with fixing pipe of needle tubing is punctured, and under original state, the side of adjacent deformation item is equal
It being bonded and forms a deformation tube along the end face of fixing pipe, the diameter of the deformation tube is less than or equal to the diameter of syringe needle end face, if
The other end of dry root deformation item and the end face of syringe needle are inconsistent, and several deformation items are to tilt towards the face of needle tubing is punctured
The intracavity diameter in face, the deformation tube is gradually reduced from fixing pipe to the extending direction of syringe needle, the outer wall punctured on needle tubing
On be additionally provided with boss, the boss and inclined surface are inconsistent, when puncturing needle tubing and being relatively fixed pipe rotation, puncture needle tubing along solid
Fixed tube moves axially, and boss is inconsistent with inclined surface and relative tilt face is slided so that and several deformation items deform upon, if
Dry root deformation item and the inconsistent one end of syringe needle with the end surface dislocation of syringe needle.
As a further improvement on the present invention, the boss includes raised line and turntable, axial direction of the raised line along turntable
Direction is set on the side wall of turntable, and the turntable is rotatably connected with needle tubing is punctured, and is provided on the inner wall of the fixing pipe
Sliding slot compatible with raised line, several deformation items are divided into the first deformation item and the second deformation item, the first deformation item
The diameter of the circumference at place is equal to the end face diameter of syringe needle, and the inclined surface is set on the first deformation item, the raised line and the
One deformation item is correspondingly arranged and inconsistent with inclined surface, is moved to syringe needle along sliding slot by raised line and raised line is opposite with inclined surface sliding
Dynamic that first deformation item is deformed upon, the second deformation item is kept intact.
As a further improvement on the present invention, the raised line is several and is correspondingly arranged with several first deformation items,
At least it is separated by a second deformation item between several first deformation items.
As a further improvement on the present invention, several first deformation items are uniformly distributed along the circumferencial direction of deformation tube.
As a further improvement on the present invention, the raised line and the inconsistent one end in inclined surface are cambered surface.
As a further improvement on the present invention, the first deformation item and the inconsistent one end in syringe needle end face are arc surface.
As a further improvement on the present invention, locating slot is provided on the inner wall of the locating ring, the locating slot edge is worn
Pricker pipe is axially extending, and positioning strip compatible with locating slot is provided on the outer wall of the fixing pipe.
As a further improvement on the present invention, it is provided with ball groove on the adsorbent, is arranged on the end of the registration arm
There are sphere, the spherical part to be connected in ball groove.
As a further improvement on the present invention, it is provided with silica gel on the bottom surface of the adsorbent.
Beneficial effects of the present invention are improved in the existing patent application No. is CN201610682531.2, are being worn
Shield is set outside pricker pipe so that puncture needle tubing and be separated from each other with tissue when being pierced into human body, avoid pin hole and sketch the contours
Or tissue is scratched, improve safety；Human body others tissue fluid is avoided simultaneously by pin hole to enter in puncture needle tubing
And subsequent acquisition is influenced to the purity of marrow, the purity for collecting marrow is improved, the accuracy of medicine detection is improved, to suffering from
The state of an illness of person makes accurate judgement.
Description of the drawings
Fig. 1 is the not distracted integrality figure of the first deformation item of the present invention.
Fig. 2 is the integrality figure after the first deformation item of the present invention struts.
Fig. 3 is the not distracted stereogram of the first deformation item of the present invention.
Fig. 4 is the stereogram after the first deformation item of the present invention struts.
Fig. 5 is the vertical view of the fixator of the present invention.
Specific implementation mode
The present invention is described in further detail below in conjunction with the embodiment given by attached drawing.
Shown in Fig. 5, a kind of hematology's marrow puncture needle of the present embodiment includes to puncture needle tubing 1, punctures
One end of needle tubing 1 is arranged with handle 2, and handle 2 is fixedly connected with needle tubing 1 is punctured, and the other end for puncturing needle tubing 1 is connected with syringe needle 3,
It punctures needle tubing 1 and is provided with pin hole 12 on the side wall of syringe needle 3, pin hole 12 is connected to the inner cavity for puncturing needle tubing 1, punctures needle tubing 1
Reservoir 5 is provided on the side wall of handle 2, reservoir 5 is connected to the inner cavity for puncturing needle tubing 1, the top installation of reservoir 5
There are negative pressure gasbag 6, the operation principle of negative pressure gasbag 6 only can be outwardly vented when being squeezed, when release, extracts in reservoir 5
Air；Negative pressure gasbag 6 is connected to reservoir 5, in the prior art, fixation has been connected through a screw thread on the outer wall for puncturing needle tubing 1
The end of device 7, fixator 7 is connected with adsorbent 8, punctures and is respectively marked with scale on needle tubing 1 and reservoir 5, in the mistake of acquisition marrow
Cheng Zhong, doctor puncture the depth that needle tubing 1 is inserted into skin by micro-judgment, and one is held handle 2 of stopping so that handle 2 is fixed, i.e.,
It is static to puncture needle tubing 1, another hand is held fixator 7 and rotated relative to needle tubing 1 is punctured, and punctures needle tubing 1 as screw thread is relatively fixed
Device 7 adjusts the length for being inserted into patient body, and observation fixator 7 shelters from the scale and adjustable fixer 7 punctured on needle tubing 1
In place, fixator 7 is unclamped, holds to stop handle 2 and syringe needle 3 is directed at position for one and be inserted into skin, until syringe needle 3 and backbone
When bone is mutually close or inconsistent, adsorbent 8 fits with the skin at backbone, and fixator 7 is fixed, punctures needle tubing 1
Puncture direction it is consistent with the centerline direction of fixator 7, hold fixator 7 on the other hand and be allowed to stationary, another hand rotation
Handle 2 so that puncture needle tubing 1 be relatively fixed device 7 rotation, puncture needle tubing 1 with screw thread to bone move, syringe needle 3 puncture bone into
Entering in bone, pin hole 12 is located inside bone, is declined so that puncturing the air pressure in needle tubing 1 by squeezing and discharging negative pressure gasbag 6,
Marrow is entered by 12 priority of pin hole to be punctured in needle tubing 1 and reservoir 6, is observed the corresponding scale of marrow in reservoir 6, is collected
The marrow amount of demand will subsequently puncture needle tubing 1 and extract human body out, and terminate bone marrow collection；
Shown in Fig. 1, fixator 7 includes locating ring 71 and registration arm 72, and the internal ring wall of locating ring 71 can be slided
Shifting is connected with shield 4, and shield 4, which is sheathed on, to be punctured outside needle tubing 1, and registration arm 72 is set on the ring wall of locating ring 71 and and adsorbent
8 connections, syringe needle 3 are more than the diameter for puncturing needle tubing 1 with the diameter for puncturing the end face that needle tubing 1 is connect, and shield 4 includes fixing pipe 42
With several deformation items 41, fixing pipe 42 is connect by screw thread with needle tubing 1 is punctured, and several deformation items 41 are along puncture 1 axis of needle tubing
To extending and being connected with the end face of fixing pipe 42, under original state, the side of adjacent deformation item 41 is bonded and along fixing pipe
42 end face forms a deformation tube 43, and the diameter of deformation tube 43 is less than or equal to the diameter of 3 end face of syringe needle, several deformation items 41
The other end and syringe needle 3 end face it is inconsistent, several deformation items 41 towards puncture needle tubing 1 face be inclined surface 44, deformation tube
43 intracavity diameter is gradually reduced from fixing pipe 42 to the extending direction of syringe needle 3, is additionally provided on the outer wall on puncture needle tubing 1 convex
Platform 11, boss 11 and inclined surface 44 are inconsistent, during manufacturing, will puncture needle tubing 1 and are designed to first axle and the second axis
Concentric to be formed by connecting, first axle and the second axis connects with the internal cavities, the diameter of first axle are less than the diameter of the second axis, first axle
It is connect with syringe needle 3, boss 11 is fixedly connected or is rotatably connected in first axle, and the overall size of boss 11 is less than the second axis
The overall size in section, the second axis are connect with handle 2, and fixing pipe 42 is connect with the second axle thread；Shield 4 is by a pipe to hemisection
It opens, and a distance is cut along 4 extending direction of shield by end face close to one end of syringe needle 3 in shield 4, choose on 4 end face of shield
The cutting of multiple positions after, form several deformation items 41, deformation item 41 is made of the preferable material of elastic deformation, is not cut
The part cut is fixing pipe 42, and inclined surface 44 is cut into deformation item 41, is provided on the inner tubal wall of fixing pipe 42 and second
Convex block is arranged on the outer wall of fixing pipe 42 in the screw thread of axis connection, be provided on the internal ring wall of locating ring 71 slided for convex block it is recessed
Slot, fixing pipe 42 move and relative positioning ring 71 is moved axially with convex block along groove, i.e., 4 relative positioning ring of shield 71 is axial moves
It is dynamic, shield 4 will not relative positioning ring 71 rotate, it is mutual from the both sides for puncturing needle tubing 1 respectively by the shield 4 that will be cut into two halves
Split simultaneously welds together, then is relatively fixed the rotation puncture needle tubing 1 of pipe 42 and so that puncturing needle tubing 1 and fixing pipe 42 is threadedly coupled,
So the opposite needle tubing 1 that punctures of shield 4 is fixed；In use, shield 4 is passed through into locating ring 71, fixation is held simultaneously with hand
Device 7 and needle tubing 1 is punctured, the alignment of syringe needle 3 is needed into the position that punctures, unclamp fixator 7 and adjust locating ring 71 and is axial along shield 4
Mobile, up to adsorbent 8 and skin attachement and after can not moving, user holds fixator 7, the pressing of another hand with a hand
Handle 2 when syringe needle 3 is inconsistent with bone, presses the hand rotational handle 2 of handle 2, shield 4 and positioning so that the piercing skin of syringe needle 3
Ring 71 is opposing stationary, then punctures the rotation of 1 shield vis 4 of needle tubing, for shield 4 because being fixedly clamped by skin, shield 4 is stationary, wears
Pricker pipe 1 is moved axially along shield 4, and syringe needle 3, which bores, to open seam head and stretch into inside bone, and boss 11 is inconsistent concurrent with inclined surface 44
Raw sliding, boss 11 push deformation item 41 to deform upon, several deformation items 41 using puncture the axle center of needle tubing 1 as the center of circle around
Expansion, several deformation items 41 are moved to the end face outer ring of syringe needle 3 with the inconsistent one end of syringe needle 3, i.e. several deformation items
End surface dislocation of 41 one end with syringe needle 3, with pressing and rotational handle 2, the depth that syringe needle 3 stretches into bone increases, shield 4
Also with needle tubing 1 is punctured further towards bone, until one end of deformation item 41 and the outer surface of bone offset, shield 4 stops moving
Dynamic, 4 relative positioning ring 71 of shield no longer moves, and punctures needle tubing 1 and continues to stretch into bone, pin hole 12 enters inside bone, then squeezes
Press negative pressure gasbag 6 so that marrow is entered by pin hole 12 to be punctured needle tubing 1 and reach storage in reservoir 5, inverse after extraction
To rotational handle 2 so that puncture needle tubing 1 and be retracted into shield 4,11 relative tilt face 44 of boss sliding, several deformation items 41 exist
It is squeezed by tissue and natural resiliency ability restores rapidly deformation, the equal retracting needle in one end of several deformation items 41 3
End face in, puncture needle is extracted outside human body, terminates acquisition, the design of shield 4 will puncture needle tubing 1 and human body inner tissue mutually every
From so that other tissue fluid of human body will not be entered by pin hole 12 to be punctured in needle tubing 1, is improved the marrow purity of acquisition, is also kept away
Exempt from pin hole 12 and sketched the contours or scratch inside of human body tissue, improves safety；The diameter of deformation tube 43 is less than or equal to the end of syringe needle 3
Face diameter is compared to directly by the diameter design of deformation tube 43 at the end face diameter more than syringe needle 3, when syringe needle 3 is inserted into human body, shield
Cover 4 can more smoothly enter human body, small to human epidermal damage, cause the hole diameter punctured small, alleviate the pain of patient
It is bitter；Several deformation items 41 are strutted and are contradicted with bone, are improved the stability of shield 4, are further improved puncture position
Accuracy.
As a kind of improved specific implementation mode, shown in Fig. 4, boss 11 includes raised line 13 and turntable
14, along the side wall that the axial direction of turntable 14 is set to turntable 14, turntable 14 is rotatably connected raised line 13 with needle tubing 1 is punctured,
Disk is set on the outer wall for puncturing needle tubing 1, the circular disk cavity to match with disk is offered inside turntable 14, turntable 14 is divided half-and-half
At two parts, by the way that in the both sides split for puncturing needle tubing 1, disk is dissolved in circular disk cavity, turntable 14, which is connected to, to be punctured on needle tubing 1；
Sliding slot 15 compatible with raised line 13 is provided on the inner wall of fixing pipe 42, several deformation items 41 divide for 49 He of the first deformation item
Second deformation item 40, the diameter of the circumference where the first deformation item 49 are equal to the end face diameter of syringe needle 3, are designed so that deformation
One end of item 41 can as early as possible with syringe needle 3 end surface dislocation, strutting for deformation item 41 be efficient；Inclined surface 44 is set to the first shape
Become on item 49, raised line 13 is correspondingly arranged and inconsistent with inclined surface 44 with the first deformation item 49, by raised line 13 along sliding slot 15 to
Syringe needle 3, which moves, and raised line 13 is opposite with inclined surface 44 slides so that the first deformation item 49 deforms upon, and the second deformation item 40 is kept
As former state, so design is strutted compared to deformation item 41, reduces the void count between deformation item 41, to reduce other groups
It knits liquid and the amount punctured in needle tubing 1 is successively flowed by gap and pin hole, improve the purity for collecting marrow.
As a kind of improved specific implementation mode, with reference to shown in Fig. 3 to Fig. 4, if several first deformation items 49 are
It is disposed adjacent, after several first deformation items 49 strut, the gap between adjacent first deformation item 49 is big, other tissue liquid streams
It is big to enter amount, in order to solve this problem, raised line 13 is several and is correspondingly arranged with several first deformation items 49, several first
At least it is separated by a second deformation item 40 between deformation item 49, it is rear with adjacent the is designed so that the first deformation article 49 struts
The gap of formation between two deformation items 40 is small, and the flow that other tissue fluid penetrate into shield 4 is small, and it is pure to improve the marrow being collected into
Degree；In design process, if the thickness of shield 4 is enough, the side after the first deformation article 49 struts remains unchanged and adjacent the
The side of two deformation items 40 is bonded, and be can avoid other tissue fluid and is stretched into shield 4, further increases the marrow purity being collected into.
As a kind of improved specific implementation mode, with reference to shown in Fig. 3 to Fig. 4, several first deformation items 49 are along deformation
The circumferencial direction of pipe 43 is uniformly distributed, and after being designed so that shield 4 and bone are inconsistent, shield 4 can be uniform to the pressure of bone
The phenomenon that spreading out, avoiding bone unbalance stress that patient is caused not feel well, while being also a kind of protection to bone.
As a kind of improved specific implementation mode, shown in Fig. 2, raised line 13 and inclined surface 44 are inconsistent
One end is cambered surface 45, is designed so that the resistance between raised line 13 and inclined surface 44 with respect to sliding is small, is rotated convenient for user
Handle 2；The degree of wear mutual with inclined surface 44 of raised line 13 is small simultaneously, improves the use longevity of raised line 13 and inclined surface 44
Life.
As a kind of improved specific implementation mode, shown in Fig. 2, the first deformation item 49 and 3 end face phase of syringe needle
One end of conflict is arc surface 46, and so design alleviates the first deformation item 49 when strutting to the injury of tissue, simultaneously
The damage of first deformation item, 49 opposite bone surface sliding can also reduce, and improve the protection to tissue and bone, mitigate
Patient's does not accommodate feeling of pain.
As a kind of improved specific implementation mode, referring to Fig.1, shown in Fig. 2 and Fig. 5, during manufacturing, because of fixation
The thickness of pipe 42 is small, i.e., locating slot 74 is provided on the inner wall of locating ring 71, and locating slot 74 is axially extending along needle tubing 1 is punctured,
Be provided with positioning strip 75 compatible with locating slot 74 on the outer wall of fixing pipe 42, the length of positioning strip 75 should control with syringe needle
3 puncture into inside bone depth it is consistent, it is unsuitable too long, avoid positioning strip 75 from entering human body, mitigate the damage to human body wound
Degree mitigates patient pain；Positioning strip 75 and locating slot 74 are used cooperatively, and are conducive to 4 relative positioning ring 71 of shield and are moved, simultaneously
The rotation of 4 relative positioning ring 71 of shield is also limited, is conducive to user and operates.
As a kind of improved specific implementation mode, referring to Fig.1, shown in Fig. 2 and Fig. 5, because human skin is not smooth, institute
To be provided with ball groove 81 on adsorbent 8, sphere 73 is provided on the end of registration arm 72,73 part of sphere is connected in ball groove 81
It is interior, one end rotation of 8 energy relative positioning arm 72 of adsorbent is designed so that, to change 8 relative positioning arm 72 of adsorbent
Angle, during use, adsorbent 8 can improve the attachment between adsorbent 8 and skin with the skin attachement of different angle
Power improves the stability of fixator 7 and the accuracy of the puncture of syringe needle 3.
As a kind of improved specific implementation mode, shown in Fig. 2, silica gel is provided on the bottom surface of adsorbent 8
82, silica gel 82 is small and big with human skin frictional force to human skin stimulation, further increases between adsorbent 8 and skin
Stability.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of hematology's marrow puncture needle includes to puncture needle tubing (1), described one end for puncturing needle tubing (1) is arranged with handle
(2), the other end for puncturing needle tubing (1) is connected with syringe needle (3), and the needle tubing (1) that punctures is provided on the side wall of syringe needle (3)
Pin hole (12), the pin hole (12) are connected to the inner cavity for puncturing needle tubing (1), described to puncture side wall of the needle tubing (1) close to handle (2)
On be provided with reservoir (5), the reservoir (5) be connected to the inner cavity for puncturing needle tubing (1), and the top of the reservoir (5) is pacified
Equipped with negative pressure gasbag (6), the negative pressure gasbag (6) is connected to reservoir (5), is connected on the outer wall for puncturing needle tubing (1)
The end of fixator (7), the fixator (7) is connected with adsorbent (8), it is characterised in that：The fixator (7) includes fixed
The internal ring wall slip of position ring (71) and registration arm (72), the locating ring (71) is connected with shield (4), shield (4) set
Set on needle tubing (1) is punctured outside, the registration arm (72) is set on the ring wall of locating ring (71) and is connect with adsorbent (8), institute
It includes fixing pipe (42) and several deformation items (41) to state shield (4), and several deformation items (41) are along puncture needle tubing (1)
Axially extending and be connected with the end face of fixing pipe (42), several deformation items (41) are axially extending simultaneously along needle tubings (1) are punctured
It is connected with the end face of fixing pipe (42), under original state, the side of adjacent deformation item (41) is bonded and along fixing pipe (42)
End face form a deformation tube (43), the diameter of the deformation tube (43) is less than or equal to the diameter of syringe needle (3) end face, Ruo Gangen
The other end of deformation item (41) and the end face of syringe needle (3) are inconsistent, and several deformation items (41) directions puncture needle tubing (1)
Face is inclined surface (44), and the intracavity diameter of the deformation tube (43) is gradually subtracted from fixing pipe (42) to the extending direction of syringe needle (3)
It is small, it is additionally provided with boss (11) on the outer wall punctured on needle tubing (1), the boss (11) and inclined surface (44) are inconsistent,
When puncture needle tubing (1) be relatively fixed pipe (42) rotation when, puncture needle tubing (1) along fixing pipe (42) move axially, boss (11) with
Inclined surface (44) is inconsistent and relative tilt face (44) are slided so that several deformation items (41) deform upon, several shapes
Become item (41) and end surface dislocation of the inconsistent one end of syringe needle (3) with syringe needle (3).
2. a kind of hematology's marrow puncture needle according to claim 1, it is characterised in that：The boss (11) includes convex
Item (13) and turntable (14), the raised line (13) is set to along the axial direction of turntable (14) on the side wall of turntable (14), described
Turntable (14) is rotatably connected with needle tubing (1) is punctured, and is provided on the inner wall of the fixing pipe (42) and is adapted with raised line (13)
Sliding slot (15), several deformation items (41) are divided into the first deformation item (49) and the second deformation item (40), first shape
The diameter for becoming the circumference where item (49) is equal to the end face diameter of syringe needle (3), and the inclined surface (44) is set to the first deformation item
(49) on, the raised line (13) is correspondingly arranged and inconsistent with inclined surface (44) with the first deformation item (49), passes through raised line (13)
Along sliding slot (15), to syringe needle (3), opposite sliding makes the first deformation item (49) that shape occur to mobile and raised line (13) with inclined surface (44)
Become, the second deformation item (40) is kept intact.
3. a kind of hematology's marrow puncture needle according to claim 2, it is characterised in that：The raised line (13) is several
And be correspondingly arranged with several first deformation items (49), at least it is separated by second deformation between several first deformation items (49)
Item (40).
4. a kind of hematology's marrow puncture needle according to claim 3, it is characterised in that：Several first deformation items
(49) uniformly distributed along the circumferencial direction of deformation tube (43).
5. a kind of hematology's marrow puncture needle according to claim 2 or 3, it is characterised in that：The raised line (13) with incline
The inconsistent one end in inclined-plane (44) is cambered surface (45).
6. a kind of hematology's marrow puncture needle according to claim 2 or 3, it is characterised in that：The first deformation item
(49) it is arc surface (46) with the inconsistent one end in syringe needle (3) end face.
7. a kind of hematology's marrow puncture needle according to claim 1 or 2 or 3 or 4, it is characterised in that：The locating ring
(71) locating slot (74) is provided on inner wall, the locating slot (74) is axially extending along puncture needle tubing (1), the fixing pipe
(42) it is provided on outer wall and the compatible positioning strip (75) of locating slot (74).
8. a kind of hematology's marrow puncture needle according to claim 1 or 2 or 3 or 4, it is characterised in that：The adsorbent
(8) it is provided with ball groove (81) on, sphere (73) is provided on the end of the registration arm (72), sphere (73) part is clamped
In ball groove (81).
9. a kind of hematology's marrow puncture needle according to claim 1 or 2 or 3 or 4, it is characterised in that：The adsorbent
(8) silica gel (82) is provided on bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810229144.2A CN108420463A (en) | 2018-03-20 | 2018-03-20 | A kind of hematology's marrow puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810229144.2A CN108420463A (en) | 2018-03-20 | 2018-03-20 | A kind of hematology's marrow puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108420463A true CN108420463A (en) | 2018-08-21 |
Family
ID=63158509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810229144.2A Pending CN108420463A (en) | 2018-03-20 | 2018-03-20 | A kind of hematology's marrow puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108420463A (en) |
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| CN109199550A (en) * | 2018-10-18 | 2019-01-15 | 颜斌 | A kind of hernia minimal invasive operation needle |
| CN109199465A (en) * | 2018-11-12 | 2019-01-15 | 青岛市中心医院 | A kind of intelligence gastroenterology sampling device for biopsy |
| CN111388027A (en) * | 2020-03-25 | 2020-07-10 | 中国人民解放军总医院第六医学中心 | Bone marrow collecting device |
| CN116392168A (en) * | 2023-03-22 | 2023-07-07 | 中国人民解放军总医院第八医学中心 | Bone marrow puncture needle for hematology department |
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| US20010049493A1 (en) * | 1999-04-16 | 2001-12-06 | Thomas R. Lyon | Clear view cannula |
| CN201453302U (en) * | 2009-07-31 | 2010-05-12 | 上海交通大学医学院附属第九人民医院 | Semiautomatic device for collecting marrow |
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| CN109199550A (en) * | 2018-10-18 | 2019-01-15 | 颜斌 | A kind of hernia minimal invasive operation needle |
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| CN116392168A (en) * | 2023-03-22 | 2023-07-07 | 中国人民解放军总医院第八医学中心 | Bone marrow puncture needle for hematology department |
| CN116392168B (en) * | 2023-03-22 | 2023-12-05 | 中国人民解放军总医院第八医学中心 | Bone marrow puncture needle for hematology department |
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