CN110151194A - Hemostix - Google Patents
Hemostix Download PDFInfo
- Publication number
- CN110151194A CN110151194A CN201910263064.3A CN201910263064A CN110151194A CN 110151194 A CN110151194 A CN 110151194A CN 201910263064 A CN201910263064 A CN 201910263064A CN 110151194 A CN110151194 A CN 110151194A
- Authority
- CN
- China
- Prior art keywords
- tool apron
- trigger unit
- shell
- unit
- limiting unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150442—Blade-like piercing elements, e.g. blades, cutters, knives, for cutting the skin
Abstract
The present invention relates to hemostixes, comprising: the shell with the first opening and the second opening, it is interior to form accommodating cavity；Tool apron is pivotally disposed in accommodating cavity, and blade is provided on tool apron, and blade is suitable for being exposed to except shell when tool apron is pivoted via first opening；Elastomeric element is arranged in accommodating cavity, and one end is fixed to shell, and the other end is connected on tool apron, to provide so that the elastic force that tool apron pivots；Trigger unit, first end are located in accommodation space, and second end extends to except shell from the second opening, and second end is operating side；And position-limiting unit, suitable for moving between the first location and the second location, in first position, position-limiting unit is suitable for that tool apron is prevented to pivot, in the second position, position-limiting unit allows elastic force of the tool apron based on elastomeric element and pivots, in which: the first end of trigger unit is suitable for contacting with position-limiting unit, and the stress based on operating side, the first end of trigger unit are suitable for position-limiting unit being moved to the second position from first position.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of hemostixes.
Background technique
Neonatal heel blood screening refers to acquires the inspection that Heel blood carries out after baby due 72 hours.Mainly for hair
Sick rate is higher, early stage non-evident sympton but has laboratory positive indication, can make a definite diagnosis and treatable disease.Currently, right
Newborn's blood sampling collection from heel is generally realized by two class hemostixes: a kind of hemostix is common tip hemostix, this kind of blood sampling
Instrument realizes blood sampling in such a way that needle pierces, and main application is taken a blood sample in finger pulp；Another kind of blood taking instrument is to aim at blood sampling collection from heel
The blood sampling collection from heel device of design, this kind of hemostix realize blood sampling by way of blade designated port.Blood sampling collection from heel device is compared to existing
Common tip hemostix, has amount of bleeding big, the light advantage of feeling of pain, therefore, in terms of newborn's blood sampling collection from heel, has good
Application prospect.
Existing hemostix generally comprises the shell to form accommodation space；It is empty to be pivotally disposed at the receiving for tool apron
It is intracavitary, blade is provided on the tool apron, the blade is suitable for being exposed to except shell when tool apron pivots；Spring, setting exist
In accommodating cavity, provide so that the elastic force that tool apron pivots；And trigger unit, abutting portion in the accommodation space, trigger unit
Operating side extends to except shell from the second opening, and the stress of the operating side based on trigger unit, elastic force of the tool apron by spring
And pivot, so that blade is exposed to except shell.
In the above scheme, tool apron has a pivoting centre, and pivot of the blade based on tool apron is in arc-shaped motion profile
Expose shell.But in the case where blade has the same length for exposing shell, the ruler of the blood sampling edge of a knife on patient skin
Very little larger because of the arc track of blade end, stability of blood sampling volume etc., which can manage it, to be needed to be further increased.
Further, since blood sampling collection from heel device is medical disposable material, in the case where reaching low pain, stablizing blood sampling, constituting parts is got over
Less, structure is simpler, is more able to satisfy the market demand.
Summary of the invention
To alleviate or solving the above problems, the invention proposes a kind of hemostix, especially a kind of foot hemostix.
According to an embodiment of the invention, hemostix of the invention, comprising:
Shell, shell is interior to form accommodating cavity, and shell has the first opening and the second opening；
Tool apron is pivotally disposed in the accommodating cavity, and blade is provided on the tool apron, and the blade is suitable for
It is exposed to except shell when tool apron pivots via first opening；
Elastomeric element is arranged in the accommodating cavity, and one end is fixed to shell, and the other end is connected on tool apron,
To provide so that the elastic force that tool apron pivots；
The first end of trigger unit, trigger unit is located in the accommodation space, and the second end of trigger unit extends from the second opening
To except shell, the second end is operating side；With
Position-limiting unit, suitable for moving between the first location and the second location, in the first position, the position-limiting unit
Suitable for preventing tool apron from pivoting, in the second position, the position-limiting unit allows elastic force of the tool apron based on elastomeric element and pivots,
Wherein:
The first end of the trigger unit is suitable for contacting with position-limiting unit, and the stress of the operating side based on trigger unit, described
The first end of trigger unit is suitable for position-limiting unit being moved to the second position from first position.
Optionally, the position-limiting unit is suitable for being pivoted to the second position from first position, and the trigger unit is connected to pivot
Axis, the pivotal axis are located between the first end and second end of the trigger unit.
Optionally, the trigger unit and the position-limiting unit are connected to same pivotal axis.
In optional embodiment, the first end of the trigger unit is suitable for being in the locked position, trigger position and releasing position；
And the first end of the trigger unit, in latched position and trigger position, the position-limiting unit is in first position, and described
When the first end of trigger unit is moved to releasing position from trigger position, the position-limiting unit is in the second position.Further, institute
The first end for stating trigger unit has fitting, and the position-limiting unit has inclined-plane and blocking surface positioned opposite；Based on the touching
The stress of the operating side in hair portion, the fitting are suitable for crossing from the latched position in the inclined-plane side described oblique
Face reaches the trigger position in the side where the blocking surface, pushes the blocking surface based on the fitting, described
Position-limiting unit is mobile from first position to the second position.Further alternative, the shell of the hemostix is additionally provided with positioned at institute
The block piece of the blocking surface side of position-limiting unit is stated, the block piece is suitable for limiting the position-limiting unit towards the blocking
The movement of part.
In optional embodiment, the hemostix further includes being moved to the second position from first position in the position-limiting unit
The mobile obstruction element that sets up of side, it is described mobile to hinder element to be suitable for position-limiting unit to be moved to second from first position
Position provides the stress based on the second end of trigger unit and surmountable resistance.It is further alternative, the mobile obstruction element
The side of position-limiting unit is set, and the position-limiting unit is adapted to move through the mobile obstruction element.
In optional embodiment, the hemostix further includes the mobile position-limiting unit of first end in the trigger unit
The mobile obstruction element just set up, the mobile first end for hindering element to be suitable for trigger unit are provided based on trigger unit
The stress of operating side and surmountable resistance.Further, the one of the mobile first end for hindering element that trigger unit is set
Side, the first end of the trigger unit are adapted to move through the mobile obstruction element and apply active force to position-limiting unit.
Optionally, the mobile obstruction element is the protrusion being arranged on shell；Or the mobile obstruction element is convex
The fit structure in portion and recess portion.
Optionally, the first protrusion and the second protrusion are provided on the tool apron；And the shell is provided with the first guiding groove
With the second guide portion, the first guiding groove and the first male cooperation and extending direction is substantially consistent with knife direction out, the second guide portion
With the second male cooperation to guide second to protrude out into the first guiding groove when spring driving tool apron pivots.
In the inventive solutions, based on " the first guiding groove and the first male cooperation and extending direction are substantially and out
Knife direction is consistent, the second guide portion and the second male cooperation with when spring driving tool apron pivots guidance second protrude out into the
In one guiding groove ", it reaches in the first guiding groove and rises in the second protrusion, tool apron just stops moving pivotally, and obtains most from may be not present
Continue the case where scratching skin after the deep edge of a knife, reduces the size of the blood sampling edge of a knife.
Optionally, the position-limiting unit has abutment end, and the abutment end is adapted to abut against tool apron to prevent tool apron from pivoting, and
The stress of operating side based on trigger unit, abutting part are suitable for being detached from tool apron.
Optionally, the first guiding groove has the second end of first end and separate first opening close to the first opening；The
Two guide portions are connected between the first end and second end of the first guiding groove；And spring is suitable for driving tool apron towards the first guiding groove
Second end further move.
Further alternative, the second guide portion has the arc bearing surface with the first protrusion for the center of circle.It is further optional
, second guide portion is the second guiding groove, and the second guiding groove has first end far from the first guiding groove and with first
The second end that guiding groove communicates；In the case that abutment end abuts tool apron, the first protrusion pivotly abuts the of the first guiding groove
One end, and the second protrusion pivotly abuts the first end of the second guiding groove.
Optionally, one end close to the second protrusion of tool apron has bearing surface and evacuation face, abutment end positioned at two sides suitable
In the abutting bearing surface.
Optionally, one end close to the second protrusion of tool apron has first step portion, the thickness with tool apron in first step portion
It spends the parallel vertical plane in direction and constitutes the first bearing surface；Abutment end extends over the vertical with the thickness direction of tool apron of first step portion
Straight blocking mating surface, and abutting part has the second bearing surface, second bearing surface is suitable for abutting with the first bearing surface to hinder
Only tool apron pivots.Further alternative, abutting part has a second step portion, second step portion it is flat with the thickness direction of abutting part
Capable vertical plane constitutes second bearing surface, and the face vertical with the thickness direction of abutting part in second step portion extends over institute
State blocking mating surface.
The another aspect of embodiment according to the present invention proposes a kind of hemostix, comprising:
Shell, shell is interior to form accommodating cavity, and shell has the first opening and the second opening；
Tool apron is pivotally disposed in the accommodating cavity, and blade is provided on the tool apron, and the blade is suitable for
It is exposed to except shell when tool apron pivots via first opening；
Elastomeric element is arranged in the accommodating cavity, and one end is fixed to shell, and the other end is connected on tool apron,
To provide so that the elastic force that tool apron pivots；With
The abutment end of trigger unit, trigger unit is located in the accommodation space, and the operating side of trigger unit extends from the second opening
To except shell, the abutment end of trigger unit is suitable for that tool apron is prevented to pivot, and the abutment end of trigger unit is suitable for the behaviour based on trigger unit
Make the stress at end and tool apron allowed to pivot,
Wherein:
The first protrusion and the second protrusion are provided on the tool apron；
The shell is provided with the first guiding groove and the second guide portion, the first guiding groove and the first male cooperation and extension side
To substantially consistent with knife direction out, the second guide portion and the second male cooperation with when spring driving tool apron pivots guidance second it is convex
It rises and enters in the first guiding groove；
The abutment end of trigger unit is adapted to abut against tool apron to prevent tool apron from pivoting, and the stress of the operating side based on trigger unit,
The abutment end of trigger unit is suitable for being detached from tool apron；
The hemostix further includes the mobile obstruction element set up in the side of abutment end and the tool apron disengaging of trigger unit,
The mobile abutment end for hindering element to be suitable for trigger unit provides the stress based on the operating side of trigger unit and surmountable resistance
Power.
Detailed description of the invention
Fig. 1 is the perspective view according to the lower case of the hemostix of one exemplary embodiment of the present invention；
Fig. 2 is the perspective view according to the upper housing of the hemostix of one exemplary embodiment of the present invention；
Fig. 3 is the perspective view according to the trigger unit of the hemostix of one exemplary embodiment of the present invention；
Fig. 4-1 to Fig. 4-3 is respectively the side of the position-limiting unit of the hemostix of an exemplary embodiment according to the present invention
View, top view and perspective view；
Fig. 5-1 to Fig. 5-3 be respectively an exemplary embodiment according to the present invention hemostix tool apron side view,
Top view and perspective view；
Fig. 6 is the schematic diagram according to the blade of the hemostix of one exemplary embodiment of the present invention；
The operating side that Fig. 7-1 illustrates trigger unit be pressed before state diagram, the wherein first end of trigger unit
It is in the locked position, position-limiting unit is in first position；
Fig. 7-2 is the location state diagram between the first end and position-limiting unit of the trigger unit in Fig. 7-1；
Fig. 7-3 is the sectional view of the line A-A in Fig. 7-2；
The first end that Fig. 8-1 illustrates trigger unit is in trigger position, position-limiting unit is in the shape of first position
State figure；
Fig. 8-2 is the location state diagram between the first end and position-limiting unit of the trigger unit in Fig. 8-1；
Fig. 8-3 is the sectional view of the line B-B in Fig. 8-2；
The first end that Fig. 9-1 illustrates trigger unit is in releasing position, position-limiting unit is in the second position, and knife
Piece has just produced the state diagram of shell；
Fig. 9-2 is the location state diagram between the first end and position-limiting unit of the trigger unit in Fig. 9-1；
The first end that Fig. 9-3 illustrates trigger unit is in releasing position, position-limiting unit is in the second position, and knife
Piece retracts the intracorporal state diagram of shell；
Figure 10 is the schematic isometric according to the tool apron (being equipped with blade thereon) of one exemplary embodiment of the present invention
Figure；
Figure 11 is the perspective view according to the hemostix of one exemplary embodiment of the present invention；
Figure 12 is the exemplary cut away view of hemostix, basically illustrate two protrusions of tool apron and two guiding grooves it
Between cooperation.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment of the present invention
Illustrate to be intended to explain present general inventive concept of the invention, and is not construed as to a kind of limitation of the invention.
Hemostix according to the present invention is described referring to Fig. 1-12.As shown, one according to the present invention exemplary
Hemostix include shell (referring to Fig. 1 and Fig. 2), tool apron 50 (referring to Fig. 5-1 to Fig. 5-3, blade 61 is provided on tool apron, join
See Figure 10), elastomeric element 70 (for example, see Fig. 7-1), trigger unit 30 (for example, see Fig. 3 and Fig. 7-1), 40 (example of position-limiting unit
Such as referring to fig. 4-1 to Fig. 4-3).
Referring to Fig. 1 and Fig. 2, shell includes upper housing 10 and lower case 20, and upper and lower two shells form accommodating cavity, shell
With the first opening being made of 14 (referring to Fig. 1) of opening and opening 24, and by 15 (referring to Fig. 1) of opening and the (ginseng of opening 25
See Fig. 2) the second opening of composition, the first opening constitutes out the edge of a knife, and the operating side of trigger unit of second opening for referring to below is stretched
Out.In specific optional embodiment, the first opening can be provided only in upper housing or lower case with the second opening.Scheming
In 1, upper housing 10 be provided with multiple first connecting columns 16 (itself and the hole 26 in Fig. 2 cooperate) and mounting post 19 (its in Fig. 2
Corresponding hole 26 cooperate).
As shown in Figure 1, in an alternate embodiment of the invention, upper housing 10 is additionally provided with the pivotal axis 18 referred to below and stops
Part 17, pivotal axis 18 are suitable for cooperating with the mounting hole 27 being arranged in lower case 20.
As shown in Figure 1, in an alternate embodiment of the invention, guide groove 11 is additionally provided on upper housing 10, guide groove is by intercommunication
Arc groove (corresponding to the second guide portion) 12 and straight trough (corresponding to the first guiding groove) 13 two parts are constituted.
As shown in Fig. 2, in an alternate embodiment of the invention, lower case 20 is equipped with the cooperation guide groove 21 cooperated with guide groove 11,
Guide groove 21 arc groove 22 and cooperation 23 two parts of straight trough with intercommunication are cooperated to constitute.Guide groove 11 on upper housing 10
The enough situations of guidance capability under, guide groove 21 can also be not provided in lower case 20.
Tool apron 50 is described referring to Fig. 5-1 to Fig. 5-3, Fig. 9-1 to Fig. 9-3 and Figure 10.
Tool apron 50 pivotly (in the illustrated embodiment, tool apron is rotated around pivotal axis 18) is arranged in the accommodating cavity
It is interior.It is provided with blade 60 on the tool apron 50, for example, see Figure 10.As shown in fig. 6, blade 60 has the edge of a knife 61 and mounting hole
(can be square hole) 62.The blade 60 be suitable for tool apron 50 pivot when via it is described go out the edge of a knife be exposed to except shell (such as
Referring to Fig. 9-1).As shown in Fig. 5-2, mounting post 53 and protrusion 52, the mounting hole of the protrusion 52 and blade are provided on tool apron 50
62 cooperations.
As shown in Fig. 5-1 to Fig. 5-3, the first protrusion 55 and the second protrusion 54 are provided on the tool apron 50.Such as Fig. 9-1 and
Shown in Fig. 9-3, the first guiding groove 13 cooperates with the first protrusion 55 and extending direction is substantially consistent with knife direction out, the second guide portion
12 and second raised 54 cooperate to drive tool apron 50 to guide the second protrusion 54 to enter the first guidance when pivoting in elastomeric element 70
In slot 13.
It should be noted that in the present invention, knife direction indicates that blade is in and is pierced into the maximum position of patient skin depth out
The extending direction of blade when setting, for example, in Fig. 9-3 blade 60 extending direction.Because the first guiding groove 13 is matched with the first protrusion 55
It closes and extending direction is substantially consistent with knife direction out, enter the first guidance from the guidance of the second guide portion 12 in the second protrusion 54
After slot 13, blade 60 is at out knife direction, it is mobile will not further to make camber line, such as further move towards the left side
(for example, see Fig. 9-3), to can effectively reduce the size of the blood sampling edge of a knife in the case where being pierced into the identical situation of depth.
In the present invention, guiding groove can be the recessed groove body formed on housing wall, be also possible to by shell is arranged in
The groove body that convex ribs on body wall are formed.
In the present invention, although in the example shown in the series of figures, spring provides power for tool apron pivot, in the present invention
Spring is also covered by other elastic elements, all within protection scope of the present invention.
It should also be noted that, in the illustrated embodiment, spring is extension spring, still, spring may be compression
Spring, the compressed spring push one end of tool apron to push tool apron to pivot.This is also within protection scope of the present invention.Tool apron 50
On be provided with the mounting post 53 connecting with spring.
Elastomeric element 70 is arranged in the accommodating cavity, and one end is fixed to shell, as shown in Fig. 7-1, is set to the
Two mounting posts 19, the other end are connected in the mounting post 53 of tool apron 50, to provide so that the elastic force that tool apron 50 pivots (such as is joined
See Fig. 8-1).
Referring to Fig. 3, Fig. 4-1 to Fig. 4-3, Fig. 5-1 to Fig. 5-3, Fig. 7-1 to Fig. 7-3, Fig. 8-1 to Fig. 8-3, Fig. 9-1
Trigger unit 30, position-limiting unit 40 and its movement are described to Fig. 9-3 and Figure 10.
The first end of trigger unit 30 is located in the accommodation space, and the second end of trigger unit extends to shell from the second opening
Except, the second end is operating side 31.As shown in figure 3, operating side 31 has upper surface 32 and lower surface 33.Operating side 31
Upper surface 32 operating surface that uses of operator is provided, can be rough surface.
In Fig. 3, appended drawing reference 34 indicates driving section, and appended drawing reference 35 indicates pivoting hole, cooperates with pivotal axis 18.?
In exemplary embodiment shown in the present invention, trigger unit is pivotable based on the pivotal axis being arranged between the both ends of trigger unit.
The present invention can also be without being limited thereto, as long as applying active force by the operating side to trigger unit triggers blade pop-up.
As shown in figure 3, the end of the first end of trigger unit 30 is additionally provided with the protrusion 36 as fitting.Such as it is subsequently noted
, in the exemplary embodiment, protrusion 36 cooperates with position-limiting unit 40.
In an embodiment of the present invention, position-limiting unit 40 is suitable in first position (such as position in Fig. 8-1) and second
Position is moved between (such as position in Fig. 9-1), and in the first position, the position-limiting unit 40 is suitable for preventing 50 pivot of tool apron
Turn, in the second position, the position-limiting unit 40 allows elastic force of the tool apron 50 based on elastomeric element and pivots.
The first end of the trigger unit 30 is suitable for contacting with position-limiting unit 40, and the stress of the operating side based on trigger unit 30
(such as power F2 in power F1, Fig. 9-1 in Fig. 8-1), the first end of trigger unit 30 are suitable for position-limiting unit 40 from first position
It is moved to the second position.
In specific exemplary embodiment, as shown in Fig. 4-1 to Fig. 4-3, one end of position-limiting unit 40 has pivoting hole
41, the other end is pivoted around pivoting hole, and position-limiting unit also has 42 stage portion 43 of inclined-plane, vertical side 44.
It is illustratively described below how position-limiting unit 40 limits the pivot of tool apron 50.
As shown in Figure 10, one end close to the second protrusion 54 of tool apron 50 has the bearing surface 57 positioned at two sides and evacuation face
58, the other end (corresponding to one end where such as stage portion in Fig. 4-2) of position-limiting unit 40 is adapted to abut against the bearing surface
57.As shown in fig. 9-1, when the tool apron in Fig. 9-1 further pivots because evacuation face exists, the end of tool apron will not with support
It connects end and generates interference.
It may also be noted that bearing surface 57 can be a face, two faces that can also be formed with hierarchic structure, such as such as
Shown in Figure 10, can there are sub- bearing surface 571 and sub- bearing surface 572, but, in structure shown in Fig. 10, bearing surface 57 can also
Only to include one in sub- bearing surface 571 and sub- bearing surface 572.
The other end of position-limiting unit 40 may be arranged as preventing tool apron from turning in assembling while limiting tool apron pivot
It rises.Specifically, being adopted because the end of position-limiting unit 40 can extend over the blocking mating surface 59 of the tool apron 50 referred to below
When blood device assembles, it can prevent tool apron from digging.
As shown in Figure 10, tool apron 50 close to the second protrusion 54 one end have first step portion, first step portion with
The parallel vertical plane of the thickness direction of tool apron constitutes one in the first bearing surface, such as sub- bearing surface 571 and sub- bearing surface 572
It is a；As shown in Fig. 7-1, the stage portion of position-limiting unit extends over the resistance vertical with the thickness direction of tool apron 50 in first step portion
Mating surface 59 is kept off, and the stage portion of position-limiting unit has the second bearing surface (end face of stage portion in -3 referring to fig. 4), described second
Bearing surface is suitable for abutting with the first bearing surface (corresponding to sub- bearing surface 571) to prevent tool apron 50 from pivoting.Position-limiting unit 40 does not have
In the case where having step, the end face of the second bearing surface, that is, position-limiting unit end.
Position-limiting unit 40 can share a pivotal axis 18 with trigger unit 30, and pivotal axis can also be separately provided.
Because the end face of the end of position-limiting unit 40 can abut the bearing surface 57 of tool apron, so as to prevent 50 base of tool apron
In elastomeric element driving and pivot.Once and the end face of position-limiting unit does not abut the bearing surface 57, is released from tool apron 50
And can pivot, at this point, when evacuation face 58 prevents tool apron from the pivoting and end of position-limiting unit is interfered.
Be illustratively described below trigger unit 30 how to drive position-limiting unit 40 from first position be moved to the second position to
Discharge tool apron 50.
As shown in figure 3, trigger unit 30 has protrusion 36, as shown in Fig. 4-2 and Fig. 4-3, position-limiting unit 40 has inclined-plane 42
And vertical side 44.
As shown in Fig. 7-1 to Fig. 7-3, the side that protrusion 36 is located at the inclined-plane 42 of position-limiting unit 40 (corresponds at trigger unit
In latched position).
As shown in Fig. 8-1, as applied force F1, trigger unit 30 pivots counterclockwise, to drive protrusion 36 oblique towards crossing
The side in face 42 is rotated up, and reaches the side of vertical side 44.In a further embodiment, upper housing 10 is provided with block piece
17, it can connect with vertical side 44, to prevent position-limiting unit 40 from rotating counterclockwise.
As shown in Fig. 8-2 and Fig. 8-3, protrusion 36 (corresponds to trigger unit and is in trigger bit in the side of vertical side 44
It sets).
Then, as shown in Fig. 9-1 and Fig. 9-2, to the operating side applied force F2 of trigger unit 30, so that trigger unit 30 is clockwise
Rotation, to drive protrusion 36 that position-limiting unit 40 is pushed to rotate clockwise, so that the end of position-limiting unit 40 and tool apron 50
Bearing surface 57 disengage, so that tool apron 50 be allowed to turn to position as shown in fig. 9-1 under the action of elastomeric element, this
When, it is believed that the trigger unit for having discharged tool apron is in releasing position.
In the present invention, the pivotal resistance to tool apron is released by way of pressing down on the operating side 42 of trigger unit,
It, can also be by way of pulling up operating side but it is not shown, as those of ordinary skill in the art are readily apparent that
The pivotal resistance to tool apron is released, this is within the scope of the present invention.
The 55, second protrusion 54 of the first protrusion of exemplary description and the first guiding groove 13, the second guide portion 12 further below
Between cooperation.
As shown in Figure 1, the first guiding groove 13 has close to the first end for going out the edge of a knife and far from the second end for going out the edge of a knife；The
Two guide portions 12 are connected between the first end and second end of the first guiding groove 13；And elastomeric element is suitable for driving 50 direction of tool apron
The second end of first guiding groove further moves.
Although in the illustrated embodiment, the second guide portion 12 is the form of guide groove, such as ordinary skill
Personnel it will be appreciated that, the cambered surface of the motion track of the second protrusion 54 of the second guide portion 12 or limitation, such as second draw
Portion 12 is led with the arc bearing surface with the first protrusion 55 for the center of circle.
As shown in Figure 1, second guide portion 12 is the second guiding groove, the second guiding groove has far from the first guiding groove 13
First end and the second end that is communicated with the first guiding groove 13；Trigger unit is in latched position and releasing position, the first protrusion
55 pivotly abut the first end of the first guiding groove 13, and the second protrusion 54 pivotly abuts the first of the second guiding groove 12
End, as shown in Fig. 7-1.
After exemplary illustration tool apron 50 is released below, the movement of tool apron 50.
As shown in fig. 9-1, after tool apron 50 is released, the pulling force based on elastomeric element, the second protrusion 54 is along the second guide portion
12 is mobile, and the first protrusion 55 is located at the bottom of the first guiding groove 13, it is believed that tool apron 50 is first substantially around the first protrusion 55
It rotates clockwise.Tool apron 50 is during rotating clockwise, and as shown in fig. 9-1, blade is stretched out from the edge of a knife out.
Then, as the second protrusion 54 enters the first guiding groove 13, blade reaches vertical position (it is maximum to be pierced into depth),
Moreover, because the second protrusion 54 cannot further move right in the first guiding groove 13, so being merely capable of after tool apron 50
It is vertically movable (vertical to retract) along the first guiding groove 13 under the action of elastomeric element.Tool apron 50 is shown in Fig. 9-3 to be retracted into
The intracorporal view of shell.
The assembling mode of exemplary description hemostix according to the present invention with reference to the accompanying drawings.
Blade 60 is assembled on knife rest 50,62 sets of mounting hole in mounting post 52, blade 61 utilizes mounting post towards outside
52 are fixed on blade 60 on knife rest 50 with the interference fit of mounting hole 62.
Cutter holder assembly after assembling is mounted in upper housing 10, the second protrusion 54 is placed on the end of arc groove 12, and first
Protrusion 55 is placed on 13 end of straight trough, and knife rest 50 and shell form angle, blade be received in shell, as shown in figure 12.
Position-limiting unit 40 is mounted in upper housing 10,41 sets of hole is on pivotal axis 18, and stage portion 43 is with two sides phase
The mode at the place of connecing is covered in the stage portion 51 of tool apron 50, and the vertical side 44 of position-limiting unit resists limited block or block piece
17, prevent it from rotating counterclockwise around pivotal axis 18.
It is packed into trigger unit 30, hole 35 is sleeved on pivotal axis 18, makes its operation portion from second outlet (by 15 and 25 groups
At) extend to outside shell, and it is located at 42 left side of inclined-plane as the protrusion 36 of fitting, prevent position-limiting unit 40 from around pivotal axis
18 rotate clockwise.
It is packed into elastomeric element 70, one end is hooked in mounting post 19, and the other end is hooked in mounting post 53.
At this point, even if pulling force of the knife rest 50 by elastomeric element 70, can not also move under the control of trigger unit 30.
Then, by lower case 20 by mounting hole 26 cooperate with mounting post 16 and upper housing 10 be assembled into hemostix (see
Figure 11).
The application method of exemplary description hemostix according to the present invention with reference to the accompanying drawings.
When blood was collected, first lower surface 33 is pushed to rotate trigger unit counterclockwise for example, about around the center of circle O of pivotal axis 18
25 °, drive in this way protrusion 36 slided from inclined-plane 42 and across, fall on 44 side of vertical side of position-limiting unit, and with it is vertical
Side 44 contacts.
Then, the edge of a knife out is directed at blood sampling site, presses the upper surface 32 of trigger unit 30, protrusion 36 pushes vertical side
44, so that position-limiting unit 40 is rotated clockwise for example, about 20 ° around the center of circle O of pivotal axis 18, is detached from position-limiting unit 40 and knife rest 50
Contact, so that stage portion 51 is detached from the control of stage portion 43.At this point, knife rest 50 is under the pulling of elastomeric element 70, before this with
One protrusion 55 is the center of circle, and the second protrusion 54 turns over certain angle until falling in straight trough 13 along arc groove 12, and then aforementioned
Two protrusions are moved a certain distance to enclosure interior (see Fig. 9-3) along straight trough 13, to expose again with cutting blade 60 from the edge of a knife out
It retracts, completes blood sampling.
In the present invention, blood sampling, which finishes rear projection 36 and the position of position-limiting unit 40, to restore, and avoid used blood sampling
Device is used again.
The locking and release to tool apron 50 are illustrated by taking position-limiting unit 40 as an example above, trigger unit with position-limiting unit by matching
It closes, there are latched position, trigger position and releasing positions.But, the present invention is not limited thereto.
For example, it is not shown, the hemostix further includes being moved to second from first position in the position-limiting unit
The mobile obstruction element that the side of position is set up, the mobile obstruction element are suitable for position-limiting unit and are moved to from first position
The second position provides the stress based on the operating side of trigger unit and surmountable resistance.The mobile obstruction element may be provided at limit
The side of bit location, the position-limiting unit are adapted to move through the mobile obstruction element.
For another example, it is not shown, the hemostix further includes the mobile limit list of first end in the trigger unit
The mobile obstruction element that the side of member is set up, the mobile operating side for hindering element to be suitable for trigger unit are provided based on triggering
The stress of the operating side in portion and surmountable resistance.Further, the mobile first end for hindering element that trigger unit is set
Side, the first end of the trigger unit, which is adapted to move through, described mobile to be hindered element and applies active force to position-limiting unit.
In a further embodiment, the mobile obstruction element can be the protrusion being arranged on shell；Or the shifting
Dynamic obstruction element can be the fit structure of protrusion and recess portion.
Based on the above, the embodiment of the present invention proposes a kind of hemostix, comprising:
Shell, shell is interior to form accommodating cavity, and shell has the first opening and the second opening；
Tool apron is pivotally disposed in the accommodating cavity, and blade is provided on the tool apron, and the blade is suitable for
It is exposed to except shell when tool apron pivots via first opening；
Elastomeric element is arranged in the accommodating cavity, and one end is fixed to shell, and the other end is connected on tool apron,
To provide so that the elastic force that tool apron pivots；
The first end of trigger unit, trigger unit is located in the accommodation space, and the second end of trigger unit extends from the second opening
To except shell, the second end is operating side；With
Position-limiting unit, suitable for moving between the first location and the second location, in the first position, the position-limiting unit
Suitable for preventing tool apron from pivoting, in the second position, the position-limiting unit allows elastic force of the tool apron based on elastomeric element and pivots,
Wherein:
The first end of the trigger unit is suitable for contacting with position-limiting unit, and the stress of the operating side based on trigger unit, described
The first end of trigger unit is suitable for position-limiting unit being moved to the second position from first position.
In above-mentioned scheme, hemostix is provided with position-limiting unit, and still, present invention is also not necessarily limited to this.Trigger unit
End can also directly be abutted with tool apron, above-mentioned corresponding with trigger unit mobile hinder element come to trigger by being arranged
Portion sets latched position.Need to apply the operating side of trigger unit sufficiently large power to overcome the mobile resistance for hindering element setting
Power, the end of trigger unit just can further move and release the abutting for tool apron.Based on the above, it is not shown, originally
Invention also proposed a kind of hemostix, comprising:
Shell, shell is interior to form accommodating cavity, and shell has the first opening and the second opening；
Tool apron is pivotally disposed in the accommodating cavity, and blade is provided on the tool apron, and the blade is suitable for
It is exposed to except shell when tool apron pivots via first opening；
Elastomeric element is arranged in the accommodating cavity, and one end is fixed to shell, and the other end is connected on tool apron,
To provide so that the elastic force that tool apron pivots；With
The abutment end of trigger unit, trigger unit is located in the accommodation space, and the operating side of trigger unit extends from the second opening
To except shell, the abutment end of trigger unit is suitable for that tool apron is prevented to pivot, and the abutment end of trigger unit is suitable for the behaviour based on trigger unit
Make the stress at end and tool apron allowed to pivot,
Wherein:
The first protrusion and the second protrusion are provided on the tool apron；
The shell is provided with the first guiding groove and the second guide portion, the first guiding groove and the first male cooperation and extension side
To substantially consistent with knife direction out, the second guide portion and the second male cooperation with when spring driving tool apron pivots guidance second it is convex
It rises and enters in the first guiding groove；
The abutment end of trigger unit is adapted to abut against tool apron to prevent tool apron from pivoting, and the stress of the operating side based on trigger unit,
The abutment end of trigger unit is suitable for being detached from tool apron；
The hemostix further includes the mobile obstruction element set up in the side of abutment end and the tool apron disengaging of trigger unit,
The mobile abutment end for hindering element to be suitable for trigger unit provides the stress based on the operating side of trigger unit and surmountable resistance
Power.
The abutment end of trigger unit can use the structure similar with the end of the position-limiting unit of front (abutting with tool apron), this
In repeat no more.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding these embodiments can be changed without departing from the principles and spirit of the present invention, the scope of the present invention by
The following claims and their equivalents limit.
Claims (20)
1. a kind of hemostix, comprising:
Shell, shell is interior to form accommodating cavity, and shell has the first opening and the second opening；
Tool apron is pivotally disposed in the accommodating cavity, and blade is provided on the tool apron, and the blade is suitable in tool apron
It is exposed to except shell when pivot via first opening；
Elastomeric element is arranged in the accommodating cavity, and one end is fixed to shell, and the other end is connected on tool apron, to mention
For so that the elastic force that tool apron pivots；
The first end of trigger unit, trigger unit is located in the accommodation space, and the second end of trigger unit extends to shell from the second opening
Except body, the second end is operating side；With
Position-limiting unit, suitable for moving between the first location and the second location, in the first position, the position-limiting unit is suitable for
Tool apron is prevented to pivot, in the second position, the position-limiting unit allows elastic force of the tool apron based on elastomeric element and pivots,
Wherein:
The first end of the trigger unit is suitable for contacting with position-limiting unit, and the stress of the operating side based on trigger unit, the triggering
The first end in portion is suitable for position-limiting unit being moved to the second position from first position.
2. hemostix according to claim 1, in which:
The position-limiting unit is suitable for being pivoted to the second position from first position, and the trigger unit is connected to pivotal axis, the pivot
Axle position is between the first end and second end of the trigger unit.
3. hemostix according to claim 1, in which:
The trigger unit and the position-limiting unit are connected to same pivotal axis.
4. hemostix according to any one of claim 1-3, in which:
The first end of the trigger unit is suitable for being in the locked position, trigger position and releasing position；And
For the first end of the trigger unit in latched position and trigger position, the position-limiting unit is in first position, and institute
When stating the first end of trigger unit and being moved to releasing position from trigger position, the position-limiting unit is in the second position.
5. hemostix according to claim 4, in which:
The first end of the trigger unit has fitting, and the position-limiting unit has inclined-plane and blocking surface positioned opposite；
The stress of operating side based on the trigger unit, the fitting are suitable for from the locking in the inclined-plane side
The inclined-plane arrival is crossed in the trigger position of the side where the blocking surface in position, pushes institute based on the fitting
Blocking surface is stated, the position-limiting unit is mobile from first position to the second position.
6. hemostix according to claim 5, in which:
The shell of the hemostix is additionally provided with the block piece of the blocking surface side positioned at the position-limiting unit, the blocking
Part is suitable for limiting movement of the position-limiting unit towards the block piece.
7. hemostix according to any one of claim 1-3, in which:
The hemostix further includes the movement set up in the position-limiting unit from the side that first position is moved to the second position
Element is hindered, the mobile obstruction element is suitable for position-limiting unit and is moved to second position offer based on trigger unit from first position
Second end stress and surmountable resistance.
8. hemostix according to claim 7, in which:
The mobile side for hindering element that position-limiting unit is arranged in, the position-limiting unit are adapted to move through the mobile obstruction
Element.
9. hemostix according to any one of claim 1-3, in which:
The hemostix further includes the mobile resistance set up in the side of the mobile position-limiting unit of first end of the trigger unit
Hinder element, the mobile first end for hindering element to be suitable for trigger unit the stress of the operating side based on trigger unit is provided and can gram
The resistance of clothes.
10. hemostix according to claim 9, in which:
The side of the mobile first end for hindering element that trigger unit is arranged in, the first end of the trigger unit are adapted to move through
The movement hinders element and applies active force to position-limiting unit.
11. the hemostix according to any one of claim 7-10, in which:
The mobile obstruction element is the protrusion being arranged on shell；Or
The mobile fit structure for hindering element for protrusion and recess portion.
12. hemostix described in any one of -11 according to claim 1, in which:
The first protrusion and the second protrusion are provided on the tool apron；And
The shell is provided with the first guiding groove and the second guide portion, the first guiding groove and the first male cooperation and extending direction is big
Body is consistent with knife direction out, the second guide portion and the second male cooperation with when spring driving tool apron pivots the second protrusion of guidance into
Enter into the first guiding groove.
13. hemostix according to claim 12, in which:
The position-limiting unit has abutment end, and the abutment end is adapted to abut against tool apron to prevent tool apron from pivoting, and is based on trigger unit
Operating side stress, abutting part be suitable for and tool apron be detached from.
14. hemostix according to claim 13, in which:
First guiding groove has close to the first end of the first opening and the second end far from the first opening；
Second guide portion is connected between the first end and second end of the first guiding groove；And
Elastomeric element is suitable for that tool apron is driven further to move towards the second end of the first guiding groove.
15. hemostix according to claim 14, in which:
Second guide portion has the arc bearing surface with the first protrusion for the center of circle.
16. hemostix according to claim 15, in which:
Second guide portion is the second guiding groove, and the second guiding groove has first end far from the first guiding groove and with first
The second end that guiding groove communicates；
In the case that abutting part abuts tool apron, the first protrusion pivotly abuts the first end of the first guiding groove, and the second protrusion
Pivotly abut the first end of the second guiding groove.
17. hemostix according to claim 13, in which:
One end close to the second protrusion of tool apron has bearing surface and evacuation face positioned at two sides, and abutting part is adapted to abut against described support
Junction.
18. hemostix according to claim 13, in which:
Tool apron close to second protrusion one end have first step portion, first step portion it is parallel with the thickness direction of tool apron
Vertical plane constitutes the first bearing surface；
Abutting part extends over the blocking mating surface vertical with the thickness direction of tool apron in first step portion, and abutting part has the
Two bearing surfaces, second bearing surface are suitable for abutting with the first bearing surface to prevent tool apron from pivoting.
19. hemostix according to claim 18, in which:
Abutting part has a second step portion, and the vertical plane parallel with the thickness direction of abutting part in second step portion constitutes described the
Two bearing surfaces, the face vertical with the thickness direction of abutting part in second step portion extend over the blocking mating surface.
20. a kind of hemostix, comprising:
Shell, shell is interior to form accommodating cavity, and shell has the first opening and the second opening；
Tool apron is pivotally disposed in the accommodating cavity, and blade is provided on the tool apron, and the blade is suitable in tool apron
It is exposed to except shell when pivot via first opening；
Elastomeric element is arranged in the accommodating cavity, and one end is fixed to shell, and the other end is connected on tool apron, to mention
For so that the elastic force that tool apron pivots；With
The abutment end of trigger unit, trigger unit is located in the accommodation space, and the operating side of trigger unit extends to shell from the second opening
Except body, the abutment end of trigger unit is suitable for that tool apron is prevented to pivot, and the abutment end of trigger unit is suitable for the operating side based on trigger unit
Stress and allow tool apron to pivot,
Wherein:
The first protrusion and the second protrusion are provided on the tool apron；
The shell is provided with the first guiding groove and the second guide portion, the first guiding groove and the first male cooperation and extending direction is big
Body is consistent with knife direction out, the second guide portion and the second male cooperation with when spring driving tool apron pivots the second protrusion of guidance into
Enter into the first guiding groove；
The abutment end of trigger unit is adapted to abut against tool apron to prevent tool apron from pivoting, and the stress of the operating side based on trigger unit, triggering
The abutment end in portion is suitable for being detached from tool apron；
The hemostix further includes the mobile obstruction element set up in the side of abutment end and the tool apron disengaging of trigger unit, described
The mobile abutment end for hindering element to be suitable for trigger unit provides the stress based on the operating side of trigger unit and surmountable resistance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910263064.3A CN110151194B (en) | 2019-04-02 | 2019-04-02 | Blood sampler |
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| CN201910263064.3A CN110151194B (en) | 2019-04-02 | 2019-04-02 | Blood sampler |
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| CN110151194B CN110151194B (en) | 2022-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449660A (en) * | 2020-03-18 | 2020-07-28 | 天津华鸿科技股份有限公司 | Blood sampler |
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| CN110151194B (en) | 2022-04-05 |
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