CN109907803A - Radial artery puncturing assistor - Google Patents
Radial artery puncturing assistor Download PDFInfo
- Publication number
- CN109907803A CN109907803A CN201910245396.9A CN201910245396A CN109907803A CN 109907803 A CN109907803 A CN 109907803A CN 201910245396 A CN201910245396 A CN 201910245396A CN 109907803 A CN109907803 A CN 109907803A
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- China
- Prior art keywords
- plate
- guide
- bracket
- radial artery
- patient
- 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
- 210000002321 radial artery Anatomy 0.000 title claims abstract description 43
- 210000000707 wrist Anatomy 0.000 claims abstract description 20
- 238000007689 inspection Methods 0.000 claims abstract description 3
- 210000000245 forearm Anatomy 0.000 claims description 7
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 230000010349 pulsation Effects 0.000 abstract description 4
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 210000001367 artery Anatomy 0.000 description 5
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010241 blood sampling Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000004868 gas analysis Methods 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 206010014418 Electrolyte imbalance Diseases 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- 241000411545 Punargentus Species 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 210000003857 wrist joint Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention belongs to clinical care apparatus fields, and in particular to a kind of radial artery puncturing assistor.This assistor includes supporting plate;Upward extended of vertical at bracket side that be located at of supporting plate has the guide plate of gear rack, and guide pad, arrangement ratchet portion and pawl portion in guide pad are arranged on the guide plate of gear rack;Horizontal extension has cantilever slab at guide pad plate face, arranges pressing plate at the cantilever end of cantilever slab;When patient's wrist is held at bracket, the pressing plate is located at the surface of patient's wrist radial artery;Two groups of through holes are sequentially provided through along bracket flute length direction on the pressing plate, two groups of through holes, which are respectively constituted, to be pressed into detect the inspection hole of radial artery pulsation for performer's index finger and middle finger, and the hand-manipulating of needle hole passed through for puncture needle is then arranged in region between two groups of through holes.This assistor can quickly and efficiently realize the puncture purpose of relative disease human radial artery, and have operating comfort height and the advantages of can be operated with one hand, be conducive to clinical use.
Description
Technical field
The invention belongs to clinical care apparatus fields, and in particular to a kind of radial artery puncturing assistor.
Background technique
Blood gas analysis is the reliable method of judgement breathing, circulatory function state and acid-base balance, is often used as correcting acid
The judgment basis of alkali and electrolyte imbalance.Trans-radial acquires blood gas analysis specimen since more convenient and wound is smaller, is facing
Gradually start to promote on bed.It, need to be in patient's wrist underlay roll of gauze, dorsiflexion position, conventional transdermal when traditional radial artery puncturing
Disinfection.Performer wears cap mask later, stands on patient's puncture side, wears sterile gloves, with left index finger and middle finger in oar side
Detection pulses and fixes the artery to be punctured at 2cm artery on wrist joint.After again, right hand syringes (heparin-saline punching
Wash), it is vertically pierced between referring to two.Such as see that cerise blood is gone straight up into syringe, expression has been pierced into artery.Finally, solid with left hand
The direction and depth of fixed original puncture needle, the right hand is with maximum speed liquid medicine injection or blood sampling.End of operation extracts rapidly syringe needle, office
Must not pressurize less than 5 minutes in portion.Although above-mentioned radial artery puncturing mode is using reaching its maturity, there are still following problems: because
The characteristics of Artery Vein region of anatomy and its surrounding tissue, performer is when carrying out puncturing hair operation, left index finger and middle finger
Must a moment not from be maintained at radial artery, to be punctured while incuding pulse, avoid the occurrence of puncture muff situation,
It is occupied that this aspect will lead to performer's both hands, to have no time to carry out other operations;On the other hand, it is vertically worn in puncture needle
During thorn, it is also possible to which puncture angle deviation condition caused by existing because of factors such as hand mistakes, to cause puncture failure, this is aobvious
So significantly increase the pain of patient when puncturing successful difficulty and puncturing.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned the deficiencies in the prior art, the structurally reasonable and practical radial artery of one kind is provided and is worn
Assistor is pierced, can quickly and efficiently realize the puncture purpose of relative disease human radial artery, and it is high and single to have operating comfort
The advantages of hand can be operated is conducive to clinical use.
To achieve the above object, the invention adopts the following technical scheme:
A kind of radial artery puncturing assistor, it is characterised in that: this assistor includes supporting plate, and supporting plate upper face offers at least
The bracket shelved for patient's wrist;Upward extended of vertical at bracket side that be located at of supporting plate has the guide plate of gear rack, institute
It states and is arranged with guide pad on the guide plate of gear rack, arrangement engages the spine of cooperation with composition between the rack gear on the guide plate of gear rack in guide pad
Wheel portion, and the pawl portion that click cooperates is constituted with ratchet portion, so that guide pad is only capable of at mesh ratchet gear portion, pawl portion
Generate unidirectional downlink movement;There are cantilever slab, cantilever in cantilever-shaped horizontal extension at the side plate face towards supporting plate of guide pad
The pressing plate of plate face level is arranged at the cantilever end of plate;When patient's wrist is held at bracket, the pressing plate is located at patient's wrist
At the surface of radial artery;Two groups of through holes are sequentially provided through along bracket flute length direction on the pressing plate, this two groups pass through
Perforation, which is respectively constituted, to be pressed into detect the inspection hole of radial artery pulsation, between two groups of through holes for performer's index finger and middle finger
The hand-manipulating of needle hole passed through for puncture needle is then arranged in region.
Preferably, at the one side towards bracket of the guide pad vertical it is downward be extended with extension board, extension board
The first guide rail is arranged at towards the one side of bracket, the guide direction of first guide rail extends in parallel the extending direction of plate;The
Sliding rail is combined with snap-gauge at one guide rail, and the bayonet for being clamped puncture needle is arranged at snap-gauge;Puncture being fixed on for needle axis vertical
At bayonet and snap-gauge is along the first guide rail and when downlink, punctures needle axis and hand-manipulating of needle axially bored line coaxially to each other;The cantilever slab is consolidated
Fixed end is fixed in the bottom end of extension board.
Preferably, the second guide rail of dovetail channel-shaped, institute are provided at the one side of the placement guide plate of gear rack of the bracket
State the guide direction parallel bracket flute length direction of the second guide rail, the bottom end setting guiding card slot of the guide plate of gear rack is to be snapped at the
To be constituted sliding rail guiding cooperation between the two at two guide rails;Threaded hole is set through the guide plate of gear rack, holding screw is horizontal
It pushes against across the top of the threaded hole and holding screw on the second guide rail, so as to the phase of stationary rack guide plate and the second guide rail
To position.
Preferably, the pressing plate shape is in rectangular sheet, the parallel bracket length direction of the length direction of pressing plate.
Preferably, the restraint strap for constraining patient's wrist and/or forearm is disposed at two cell walls of the bracket.
The beneficial effects of the present invention are:
1) traditional pure artificial both hands, have been abandoned to carry out radial artery positioning and puncture brought many defects, this hair
The bright assistor positioned by design specialized in radial artery puncturing, to realize to the self-positioning and fast of patient's radial artery puncturing
Speed punctures effect, and then effectively promotes its puncture success rate and efficiency.Specifically, when practical operation, firstly, patient's wrist quilt
It is held at supporting plate on bracket, and the facies palmaris of patient is upward to expose the radial artery of wrist.Later, guide pad is pushed, until pressure
Plate comes downwards at fitting patient's radial artery.Due to the click cooperation formed between guide pad and the guide plate of gear rack and rack-and-pinion
On the one hand cooperation, therefore, guide pad can stablize downlink along the guide plate of gear rack, on the other hand again can be due to click cooperates only
Energy downlink, this makes pressing plate that can persistently exert a force radial artery without rebounding, and cooperation bracket can be realized effectively to patient's wrist
Two-way clamping and purpose is reliably fixed to radial artery.After again, performer performer index finger and middle finger are pressed into running through for pressing plate
With just duplicate acknowledgment position of radial artery at hole, after determining that two fingers experience pulsation, puncture needle is penetrated via hand-manipulating of needle hole just now, i.e.,
Radial artery puncturing purpose can be achieved.After puncture finishes and extracts puncture needle, pawl portion can be pushed aside so that guide pad can on
Row.Aforesaid operations singlehanded can carry out, and use is extremely convenient.
2), on the basis of above structure, for the further accuracy for promoting radial artery puncturing, the present invention is also additionally arranged
Snap-gauge with bayonet.Current any clamp structure can be used to realize in bayonet, such as grips pincers, and elasticity can also be used
Traditional clamping structure such as buckle, it is therefore an objective to the needle handle position of fixed puncture needle.When puncture needle is fixed, blocked by operation
Plate downlink, puncture needle can pass through hand-manipulating of needle hole and penetrate patient skin, the final radial artery puncturing purpose for realizing facilitation.
3), in view of radial artery to be punctured is extended always along patient's wrist or even forearm, and the oar of different patient
Artery can obvious discharge by pressing pulse position also different from;Therefore, it is arranged in pairs or groups by the second guide rail and is oriented to card slot and holding screw
Setting, it can be achieved that the entire guide plate of gear rack, guide pad or even pressing plate the lateral displacement purpose along radial artery extending direction, this
Facilitating can be by pressing plate moving along radial artery extending direction, and final test goes out the position that the optimum of radial artery punctures.
When practical operation, puncture position tentatively can be judged by index finger and middle finger in advance in no present invention, the installation present invention, leads to later
The traversing effect for crossing pressing plate is finely adjusted, the phase of stationary rack guide plate and supporting plate finally by the fastening effect of holding screw
To position, corresponding puncture procedure can be carried out later.
4), the shape of pressing plate should be intended to sheet as far as possible, so that the hole depth of through hole is shallow as far as possible, in favor of
Performer's finger can be easier to experience the pulsation of patient's radial artery through the through hole.The arrangement of restraint strap, then play fixation
Patient's wrist even forearm purpose, to avoid the unconscious movement of patient's hand, thus promoted puncture process stability and
Reliability.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention;
Fig. 2 is working condition schematic cross-sectional view of the invention.
The practical corresponding relationship of each label of the present invention and component names is as follows:
A- puncture needle
10- supporting plate 11- bracket the second guide rail of 12-
20- guide plate of gear rack 21- rack gear 22- is oriented to card slot
30- guide pad 31- ratchet portion 32- pawl portion 33- cantilever slab
34- extension board 34a- the first guide rail 35- shifting block
40- pressing plate 41- through hole 42- hand-manipulating of needle hole
50- snap-gauge 51- bayonet 60- holding screw 70- restraint strap
Specific embodiment
For ease of understanding, here in connection with attached drawing, specific structure and working method of the invention are made described further below:
For specific structure of the present invention referring to Fig.1 shown in -2, primary structure includes supporting plate 10, the guide plate of gear rack 20, guide pad
30, pressing plate 40 and snap-gauge 50, in which:
Supporting plate 10 is used as support part and load-bearing part, on the one hand by the bracket 11 at plate face disposed thereon, to play positioning
With the purpose of support patient wrist even forearm.On the other hand, supporting plate 10 is used as load-bearing part, leads for carrying subsequent rack gear
To plate 20, guide pad 30 or even pressing plate 40 and snap-gauge 50 etc..When practical operation, the two sides in bracket 11 as shown in Figure 1 is needed to set
Set restraint strap 70, such as the common mounted constraint of magic or tie up belt restraining, with play to patient's wrist or even forearm just
Step positioning purpose, and maximumlly guarantee that the normal reliable for puncturing process carries out.
On the basis of above structure, as shown in Figure 2,10 lateral position of supporting plate on 11 right side of bracket is disposed with second and leads
Rail 12, the guide plate of gear rack 20 is embedded at the second guide rail 12 by being oriented to card slot 22, and is fixed at any time with holding screw 60
Relative position of the guide plate of gear rack 20 with respect to supporting plate 10.Rack gear 21 is arranged in the left side of the guide plate of gear rack 20, thus with shown in Fig. 2
Guide pad 30 in ratchet portion 31 between constitute pinion and-rack engagement cooperation.At the same time, pawl is combined at ratchet portion 31
Portion 32, by pawl portion 32 to the position-limiting action in ratchet portion 31, so that the guide pad 30 being set on the guide plate of gear rack 20
It is only capable of making downlink movement.When needing guide pad 30 to make uplink movement, pawl portion 32 need to be opened so that ratchet portion 31 freely turns
Moving can.When specific operation, it is contemplated that shifting block 35 is arranged in the side in guide pad 30 as shown in Figure 1, thus by with pawl
Portion 32 be coaxially disposed shifting block 35 rotation, and control 32 shaft of pawl portion rotate so that control pawl portion 32 generate accordingly with
It is dynamic, it is final to realize that the quick of pawl portion 32 stirs purpose.Certainly, pawl portion 32 and ratchet portion 31 can also be completely exposed outside, from
And the movement of pawl portion 32 can be directly controlled, it is not described in more detail here.
Fitting is connected with extension board 34 at the left side of guide pad 30.The plate length direction plumbing arrangement of extension board 34,
I.e. extension board 34 is parallel to each other with the guide plate of gear rack 20.On the one hand, the guiding side arranged at the left side plate face of extension board 34
To vertical be arranged the first guide rail 34a, thus control with bayonet 51 snap-gauge 50 can make vertical to lifting action.Another party
Face, the affixed horizontal-extending cantilever slab 33 in the bottom end of extension board 34, and the affixed pressing plate 40 of the cantilever end of cantilever slab 33.On pressing plate 40
Through hole 41 and hand-manipulating of needle hole 42 is set in sequence along 11 flute length direction of bracket, to play the pressing detection to patient's radial artery and determine
It brings out into the open dazzling.Through hole 41 and hand-manipulating of needle hole 42 can connection as shown in Figure 1 each other, can also be individually present, specific view design
Depending on.
For ease of understanding, it is as follows that specific workflow of the invention is provided herein:
Before carrying out radial artery puncturing, performer need to be by index finger and middle finger, and rough discharge by pressing patient's radial artery position
It sets.Later, the present invention as shown in Figure 1 is removed to patient's hand, so that patient's wrist is shelved.After again, pass through restraint strap
70 fix patient's wrist and forearm.Later, pressing plate 40 is pushed, pressing plate 40 is in guide pad 30, the guide plate of gear rack 20 or even ratchet
Downlink under the collective effect in portion 31 and pawl portion 32, until performer can experience the radial artery position of patient by through hole 41
It sets.During above-mentioned impression, it can be tightened and the guide plate of gear rack 20 is with respect to the second guide rail 12 by unscrewing for holding screw 60
Reciprocating movement, further to refine the position of point of puncture.Finally, when performer is determined completely by two groups of through holes 41
Puncture position, and pressing plate 40 is come downwards to really after compressing radial artery, and puncture needle a is fixed at the bayonet 51 of snap-gauge 50, is operated
For snap-gauge 50 along the first guide rail 34a downlink, puncture needle a can be along pre-determined route and accurately through between two groups of through holes 41
Hand-manipulating of needle hole 42, and then penetrate in radial artery.When puncture needle a comes downwards to along the first guide rail 34a blood back situation occurs, stop snap-gauge
Corresponding liquid medicine injection or blood sampling operation can be performed in the downlink puncture procedure of puncture needle a at 50 later.When all puncture and after
After continuous end of operation, uplink snap-gauge 50 and from removal puncture needle a from bayonet 51 operates pawl portion 32 and again uplink and resets pressure
Plate 40 unlocks restraint strap 70, can move away from the present invention.
Claims (5)
1. a kind of radial artery puncturing assistor, it is characterised in that: this assistor includes supporting plate (10), and supporting plate (10) upper face opens up
There is the bracket (11) at least shelved for patient's wrist;The extension that vertical is upward at bracket (11) side that is located at of supporting plate (10) is set
It is equipped with the guide plate of gear rack (20), is arranged with guide pad (30) on the guide plate of gear rack (20), arrangement and tooth in guide pad (30)
The ratchet portion (31) of engagement cooperation is constituted between rack gear (21) on guide plate (20), and constitutes ratchet spine with ratchet portion (31)
The pawl portion (32) of pawl cooperation, so that guide pad (30) is only capable of generating unidirectional lower action at pawl portion (32) mesh ratchet gear portion
Make;There are cantilever slab (33), cantilever slab in cantilever-shaped horizontal extension at the side plate face towards supporting plate (10) of guide pad (30)
(33) pressing plate (40) of plate face level is arranged at cantilever end;When patient's wrist is held at bracket (11), the pressing plate
(40) at the surface of patient's wrist radial artery;Sequentially run through and set along bracket (11) flute length direction on the pressing plate (40)
Two groups of through holes (41) are equipped with, which, which respectively constitutes, is pressed into detect oar and to move for performer's index finger and middle finger
Affectionately dynamic inspection hole, the hand-manipulating of needle hole (42) passed through for puncture needle is then arranged in region between two groups of through holes (41).
2. a kind of radial artery puncturing assistor according to claim 1, it is characterised in that: the direction of the guide pad (30)
Vertical is downward at the one side of bracket (11) is extended with extension board (34), the one side towards bracket (11) of extension board (34)
Place's arrangement the first guide rail (34a), the guide direction of first guide rail (34a) extend in parallel the extending direction of plate (34);First
Sliding rail is combined with snap-gauge (50) at guide rail (34a), and the bayonet (51) for being clamped puncture needle is arranged at snap-gauge (50);Puncture needle shaft
Line vertical be fixed at bayonet (51) and snap-gauge (50) is along the first guide rail (34a) and when downlink, puncture needle axis and hand-manipulating of needle hole
(42) axis is coaxially to each other;The fixing end of the cantilever slab (33) is fixed in the bottom end of extension board (34).
3. a kind of radial artery puncturing assistor according to claim 2, it is characterised in that: the placement tooth of the bracket (11)
The second guide rail (12) of dovetail channel-shaped, the guide direction of second guide rail (12) are provided at the one side of guide plate (20)
Parallel bracket (11) flute length direction, bottom end setting guiding card slot (22) of the guide plate of gear rack (20) is to be snapped at the second guide rail
(12) it sentences so that constituting sliding rail guiding cooperation between the two;Threaded hole is set through the guide plate of gear rack (20), holding screw
(60) it pushes against horizontal through the top of the threaded hole and holding screw (60) on the second guide rail (12), so as to stationary rack guiding
The relative position of plate (20) and the second guide rail (12).
4. a kind of radial artery puncturing assistor according to claim 1 or 2 or 3, it is characterised in that: the pressing plate (40) is outside
Shape is in rectangular sheet, the parallel bracket of length direction (11) length direction of pressing plate (40).
5. a kind of radial artery puncturing assistor according to claim 1 or 2 or 3, it is characterised in that: the bracket (11)
The restraint strap (70) for constraining patient's wrist and/or forearm is disposed at two cell walls.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910245396.9A CN109907803B (en) | 2019-03-28 | 2019-03-28 | Radial artery puncture auxiliary device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910245396.9A CN109907803B (en) | 2019-03-28 | 2019-03-28 | Radial artery puncture auxiliary device |
Publications (2)
Publication Number | Publication Date |
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CN109907803A true CN109907803A (en) | 2019-06-21 |
CN109907803B CN109907803B (en) | 2024-03-26 |
Family
ID=66967434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910245396.9A Active CN109907803B (en) | 2019-03-28 | 2019-03-28 | Radial artery puncture auxiliary device |
Country Status (1)
Country | Link |
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CN (1) | CN109907803B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112716572A (en) * | 2020-12-10 | 2021-04-30 | 余友利 | Puncture instrument device for cardiac surgery |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112716572A (en) * | 2020-12-10 | 2021-04-30 | 余友利 | Puncture instrument device for cardiac surgery |
Also Published As
Publication number | Publication date |
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CN109907803B (en) | 2024-03-26 |
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