CN205672311U - A kind of multiple angle needle guide for venipuncture - Google Patents
A kind of multiple angle needle guide for venipuncture Download PDFInfo
- Publication number
- CN205672311U CN205672311U CN201620436867.6U CN201620436867U CN205672311U CN 205672311 U CN205672311 U CN 205672311U CN 201620436867 U CN201620436867 U CN 201620436867U CN 205672311 U CN205672311 U CN 205672311U
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- CN
- China
- Prior art keywords
- grab
- connecting plate
- arc
- puncture
- venipuncture
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of multiple angle needle guide for venipuncture, including attachment means and angle regulator, it is characterized in that described attachment means is by the grab being fixed on Ultrasonic-B probe, and the contiguous block that retaining wedge is connected on grab is constituted, it is provided with to connect the arc connecting plate of adjusting means on contiguous block, described adjusting means is by adjustment seat, pipe installed by puncture needle, two pieces connect grip block and constitute, described arc connecting plate is clamped between two pieces of connection grip blocks and profit is bolted connection, arc connecting plate is provided with angle index with the junction being connected grip block.This utility model simple in construction, easy to use, production cost is low, operation implementer is by adjusting acuductor angle such that it is able to after inserting central vein, and acuductor biopsy needle guide insertion central vein with multiple angles, the angle of lancet puncture can be changed, reduce repeated localised puncture number of times further, improve single puncture success rate, reduce puncture risks further.
Description
Technical field
This utility model relates to medical apparatus and instruments, is specifically related to a kind of multiple angle needle guide for venipuncture.
Background technology
At present, in domestic clinic, the method for conventional central venous puncture is to take the blind mode worn, and blind through journey
In, operation implementer needs repeatedly and puncture is repeated to get to targeted vein, such easy damaged periphery blood vessel and tissue,
If damage is serious, will result in the complication such as arteriovenous fistula, pneumothorax.In order to improve puncture accuracy rate, in clinical practice, operation is implemented
Person uses the method that Vascular Ultrasonography guides lower central venous puncture: guided by Vascular Ultrasonography, and operation implementer is it can be seen that quiet
Arteries and veins, but be difficult to the point of puncture holding venipuncture needle when puncturing, be specially difficult to judge puncture angle, paracentesis depth with
And relation between the two, this needs operation implementer constantly to adjust needle angle and the degree of depth, so in piercing process easily
Cause repeated localised puncture, single puncture success rate the highest and periphery blood vessel and tissue are caused the technical problem of damage.
In order to solve the problems referred to above, in venipuncture procedure, operation implementer adjusts inserting needle angle by acuductor auxiliary
Degree and the degree of depth, such as " multiple angle needle guide " (publication number: CN1290147A), the acuductor that this acuductor will be slotted by arm-piece
Main body is fixed on the probe center line of ultrasonic device, puncture needle retaining in the fluting of acuductor main body, acuductor main body subscript
Angled scale, determines needle angle by angle index, then manual operation controls the degree of depth of inserting needle.Although this acuductor is from one
Determine in degree, to solve single puncture success rate the highest, need repeated localised puncture thus cause and blood vessel and muscle tissue damage are asked
Topic, but still the part that comes with some shortcomings: 1, acuductor uses arm-piece to be connected on Ultrasonic-B probe, and it connects instability, the most up and down
Slide and even come off, be easily caused depth of needle when particularly sliding up and down inaccurate；2, puncture needle is to be clamped in fluting, easily
Swing；Although 3, angled scale in acuductor main body, but by determining inserting needle angle around the swing of upper and lower two end points of slotting
Degree and the degree of depth, cause inserting needle data inaccuracy；4, the degree of depth of inserting needle manually operates, it is impossible to be accurately positioned depth of needle；Wherein
Most important, it is simply that depth of needle inaccuracy.In addition, other acuductors existing, it is typically all according to Vascular Ultrasonography system
After system (ultrasonic diagnostic imaging system) records vessel depth (distance between blood vessel and skin) and position, produce corresponding
Acuductor, the acuductor produced typically has three models (1cm, 1.5cm, 2cm), and the puncture needle that this acuductor guides inserts
The angle of central vein is fixed, and can not insert in central vein, and the puncture needle insertion of acuductor guiding with multiple angles
After venae cordis, puncture needle can not change the angle of puncture；Meanwhile, operation implementer is generally selected one of which needle angle with deep
After the acuductor of the model that degree is suitable for, remaining two kinds can be given up, so will result in the waste of resource；The acuductor one of this model
As can only guide the puncture needle of 21 specifications, but, central vein puncture needle is substantially 16 specifications, therefore there is acuductor not
Can accurately guide the technical problem of the puncture needle of other specifications.
Utility model content
This utility model provides a kind of multiple angle needle guide for venipuncture, during central venous puncture,
By adjusting acuductor angle, it is possible to reduce repeated localised puncture number of times further, reduce unnecessary damage, improve single and puncture into
Power, reduces puncture risks further.
This utility model is solved the technical problem that and is realized by the following technical solutions:
A kind of multiple angle needle guide for venipuncture, including attachment means and activity in order to connect Ultrasonic-B probe
The B ultrasonic probe angulation adjusting means being arranged in attachment means, it is characterised in that: described attachment means is visited by being fixed on B ultrasonic
Grab on head, and the contiguous block composition that clamping is fixed on grab, contiguous block is provided with connect regulation dress
The arc connecting plate put, described adjusting means is installed pipe by adjustment seat, the puncture needle being arranged on adjustment seat side, and is arranged
The two pieces of connection grip blocks being symmetrically installed at adjustment seat opposite side and left and right horizontal are constituted, and described arc connecting plate, connection are pressed from both sides
Holding and have supporting connecting hole on plate, arc connecting plate is clamped in two pieces and connects between grip block and utilize bolt to penetrate connecting hole
In be fastenedly connected, arc connecting plate is provided with angle index with the junction being connected grip block.
For this utility model, the grab of described attachment means is hook-shaped, the two sides, one end that grab is connected with Ultrasonic-B probe
Being symmetrically arranged with a hemisphere jut or depression, the other end of grab is provided with crotch；The contiguous block of attachment means by pedestal, if
Putting at pedestal side and two pieces of grab grip blocks being symmetrically installed, the arc connecting plate being arranged on pedestal opposite side is constituted, by base
The bottom in the space that seat, two pieces of grab grip blocks are constituted is provided with the draw-in groove supporting with grab, the inner side of two pieces of grab grip blocks
Face be each provided with one with hemisphere jut on grab or cave in supporting bulb-shaped recess or projection.
For this utility model, vertical center line and the B ultrasonic of pipe three installed by described attachment means, adjusting means, puncture needle
The vertical centerline of probe is in same plane.
For this utility model, two pieces of described connection grip blocks are that elastomeric material connects grip block, one of on
Connecting hole has the screw thread supporting with bolt threaded one end, and the other end of bolt tightens block with flat.
For this utility model, described arc connecting plate and connect the end of grip block all in circular arc, the two junction
Bolt be arranged on the line of centres of this circular arc, arc connecting plate and connect grip block can rotate around bolt.
For this utility model, arc connecting plate is arranged on arc connecting plate with the angle index being connected grip block junction
The exterior arc surface at circular arc position, end, the exterior arc surface connecting circular arc position, grip block end is provided with a scale reading
Line.
For this utility model, in described adjusting means, the centrage of puncture needle installation pipe becomes with Ultrasonic-B probe centrage
35 ° of-55 ° of angles.
For this utility model, described puncture needle installation pipe has one and extends to the vertical scarce of the other end from one end
Mouthful.
Operation principle: find out vessel depth by Ultrasonic-B probe, recycling needle length and vessel depth accurately calculate
Lancet puncture is to needle angle during blood vessel, thus realizes single and puncture the purpose that i.e. can reach ideal effect.
Beneficial effect: this utility model simple in construction, easy to use, production cost is low；Operation implementer is led by adjustment
Pin device angle such that it is able to after inserting central vein, and the puncture needle insertion central vein of acuductor guiding with multiple angles,
The angle of lancet puncture can be changed, thus reduce repeated localised puncture number of times further, reduce unnecessary damage, improve single
Puncture success rate, reduces puncture risks further.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
The structural representation of Fig. 2 grab；
Fig. 3 is the perspective view of contiguous block；
Fig. 4 is the side view of contiguous block；
Fig. 5 is the top view of contiguous block；
Fig. 6 is the connection diagram of contiguous block and grab；
Fig. 7 is the perspective view of adjusting means；
Fig. 8 is the side view of adjusting means；
Fig. 9 is the top view of adjusting means；
Figure 10 is the structural representation of bolt.
In figure: the super probe of 1--B, 2--adjusting means, 3--grab, 4--contiguous block, 5--arc connecting plate, 6--regulates
Seat, 7--puncture needle, 8--installs pipe, and 9--connects grip block, 10--connecting hole, 11--bolt, 12--angle index, 13--ball
Shape caves in, 14--pedestal, 15--grab grip block, 16--draw-in groove, 17--hemisphere jut, and 18--tightens block, and 19--scale reads
Line, 20--vertical cut (V. cut).
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in detail as follows:
As shown in accompanying drawing 1-10, a kind of multiple angle needle guide for venipuncture, including in order to connect Ultrasonic-B probe 1
Attachment means and the B ultrasonic probe angulation adjusting means 2 being movably arranged in attachment means, it is characterised in that: described connection
Device is by the grab 3 being fixed on Ultrasonic-B probe, and the contiguous block 4 that clamping is fixed on grab is constituted, and contiguous block sets
Being equipped with to connect the arc connecting plate 5 of adjusting means, described adjusting means, by adjustment seat 6, is arranged on adjustment seat side and uses
To install the installation pipe 8 of puncture needle 7, and it is arranged on adjustment seat opposite side and two pieces of connection clampings that left and right horizontal is symmetrically installed
Plate 9 is constituted, and described arc connecting plate, connects and has supporting connecting hole 10 on grip block, and arc connecting plate is clamped in two pieces
Connect between grip block and utilize bolt 11 to penetrate in connecting hole and be fastenedly connected, arc connecting plate and the junction being connected grip block
It is provided with angle index 12.
During being embodied as, the grab of attachment means is hook-shaped, the two sides, one end that grab is connected with Ultrasonic-B probe
Being symmetrically arranged with a hemisphere jut or depression (for bulb-shaped recess 13 shown in accompanying drawing), the other end of grab is provided with crotch；
The contiguous block of attachment means by pedestal 14, is arranged on pedestal side and two pieces of grab grip blocks 15 of being symmetrically installed (has certain
Elastic), the arc connecting plate 5 being arranged on pedestal opposite side is constituted, the bottom in the space being made up of pedestal, two pieces of grab grip blocks
Be provided with the draw-in groove 16 supporting with grab, the medial surface of two pieces of grab grip blocks be each provided with one with grab on hemisphere jut or
Cave in supporting bulb-shaped recess or projection (is the corresponding hemisphere jut 17 supporting with bulb-shaped recess 13 shown in accompanying drawing.Work as card
When being hemisphere jut on hook, being then supporting bulb-shaped recess on grab grip block, during assembling, hemisphere jut is stuck in bulb-shaped recess
In, counter know).Attachment means, adjusting means, puncture needle install the vertical center line of pipe three and the vertical centerline of Ultrasonic-B probe
In same plane.When this acuductor is connected on Ultrasonic-B probe, only the grab being fixed on Ultrasonic-B probe need to be inserted even
About fishplate bar in space between two pieces of grab grip blocks, and grab gib head is inserted in draw-in groove matched on contiguous block,
Final force promotes contiguous block, makes two hemisphere juts of two pieces of grab grip block medial surface be respectively clamped into a left side for grab two sides
In right two bulb-shaped recess, by grab and draw-in groove, and the coordinating of hemisphere jut and bulb-shaped recess, so that this guide pin
The contiguous block of device is tightly secured on Ultrasonic-B probe, during using, both will not produce the swing of left and right, and also will not produce
Upper and lower movement so that the relative position of this acuductor is more stable.
Bolt is used to be flexibly connected between attachment means with angle regulator.Two pieces of connection clampings in its adjusting means
Plate uses to be had certain elastic material and makes, one of on connecting hole have the screw thread supporting with bolt threaded one end,
The other end of bolt tightens block 18 with flat.The design tightening block can conveniently turn bolt, and without other screwdrivers
Deng kit.When assembly and connection device and adjusting means, first the arc connecting plate on attachment means contiguous block is inserted regulation
Two pieces of device connects between grip block, and makes each connecting hole in line, then from two pieces, the end of thread of bolt is connected grip block
The connecting hole one end being not provided with screw thread is inserted to the other end, the connecting hole on arc connecting plate plate, is finally screwed into connection folder
Hold in the threaded connecting hole of strip.During producing, must notice that the tolerance between bolt and connecting hole is joined
Closing, gap can not be too big, prevents bolt from producing in connecting hole and rocks, otherwise can affect the inserting needle precision of this acuductor, simultaneously
Also should fully get hold of the gap that arc connecting plate is connected between grip block with both sides, should ensure can be easily when tighting a bolt
(when tighting a bolt, two pieces connect grip block stress and close up to centre thus press from both sides to make two pieces to connect grip blocks clamping arc connecting plates
Tight arc connecting plate), after ensureing again to unclamp bolt, two pieces connect grip block and will not still clamp arc connection because gap is too small
Plate causes arc connecting plate to rotate, and affects the adjustment of needle angle.
The end of arc connecting plate and connection grip block is all in circular arc, and the bolt of the two junction is arranged on this circular arc
On the line of centres, (, on same straight line, this straight line is i.e. for arc connecting plate and two pieces of central spot connecting grip block three's circular arc
For the line of centres of circular arc, this straight horizontal and with the pedestal of attachment means and the adjustment seat keeping parallelism of adjusting means), arc
Connecting plate and connection grip block can rotate around bolt.Arc connecting plate is arranged with the angle index 12 being connected grip block junction
At the exterior arc surface at circular arc position, arc connecting plate end, and the exterior arc surface connecting circular arc position, grip block end is arranged
There is a scale read line 19.When producing, by the initial value of corresponding for a read line angle index, as benchmark, work as tune
Whole needle angle, during suitable anglec of rotation adjusting apparatus, angle index corresponding to read line is what angular adjustment apparatus rotated
Angle, the namely needle angle of puncture needle.The adjusting range of this needle angle is 35 °-55 °, i.e. puncture needle in adjusting means
The centrage installing pipe becomes 35 ° of-55 ° of angles (as shown in α in accompanying drawing) with Ultrasonic-B probe centrage.
For adapting to the puncture needle of different model, and also to make installation pipe more stable can clamp puncture needle, puncturing
Pin is installed and is had a vertical cut (V. cut) 20 extending to the other end from one end on pipe, and the diameter installing pipe is slightly less than the straight of puncture needle
Footpath, when installing puncture needle, need to exert oneself to squeeze puncture needle to insert to install in pipe, install and slightly open at Guan Huicong vertical cut (V. cut) and profit
Puncture needle is tightly clamped, puncture needle displacement when effectively preventing from puncturing with elastic force.
During manufacturing, the equal bevelling in each parts edge of this acuductor.And the double outline occurred in accompanying drawing,
The overwhelming majority is formed for bevelling.
Using method:
Method one: utilizing Ultrasonic-B probe to find out vessel depth, recycling needle length and vessel depth accurately calculate and wear
Pricker is punctured to needle angle during blood vessel, the most suitably loosers a bolt, and rotation adjustment device is tightened to required angle again
Bolt, utilizes puncture needle to carry out threading a needle.
Method two: the axial line and the Ultrasonic-B probe axial line that set probe installation pipe are in same plane and the folder between it
Angle often reduces 2 °, and probe is installed the front end of the upper B ultrasonic probe embedded of pipe and moved down 0.2mm, therefore, in venipuncture procedure
In, after operation implementer can insert central vein, and the puncture needle insertion central vein of acuductor guiding with multiple angles, energy
The angle of enough lancet puncture.
In adjusting means, puncture needle installs the centrage of pipe with the optimized angle of Ultrasonic-B probe centerlines is 45 degree, works as B
The super probe measurement degree of depth often deepens 0.5mm, and puncture needle need to be to lowering 1.4 × 0.5mm degree of depth.Principle is exactly that detection range is with probe
Lowering distance the most at 45 °, detection range often deep Xcm (degree of depth X represents), the degree of depth lowered by puncture needle is 1.4 × Xcm.
Claims (8)
1. for a multiple angle needle guide for venipuncture, including in order to connect the attachment means of Ultrasonic-B probe and movable peace
The B ultrasonic probe angulation adjusting means being contained in attachment means, it is characterised in that: described attachment means is by being fixed on Ultrasonic-B probe
On grab, and the contiguous block that is fixed on grab of clamping constitutes, and contiguous block is provided with connect adjusting means
Arc connecting plate, described adjusting means is by adjustment seat, and pipe installed by the puncture needle being arranged on adjustment seat side, and is arranged on
Two pieces of connection grip blocks that adjustment seat opposite side and left and right horizontal are symmetrically installed are constituted, and described arc connecting plate, connection clamp
Having supporting connecting hole on plate, arc connecting plate is clamped in two pieces and connects between grip block and utilize bolt to penetrate in connecting hole
Being fastenedly connected, arc connecting plate is provided with angle index with the junction being connected grip block.
A kind of multiple angle needle guide for venipuncture the most according to claim 1, it is characterised in that described connection fills
The grab put is hook-shaped, and the two sides, one end that grab is connected with Ultrasonic-B probe are symmetrically arranged with a hemisphere jut or depression, grab
The other end be provided with crotch, the contiguous block of attachment means, by pedestal, is arranged on pedestal side and the two pieces of grabs being symmetrically installed
Grip block, the arc connecting plate being arranged on pedestal opposite side is constituted, the bottom in the space being made up of pedestal, two pieces of grab grip blocks
Be provided with the draw-in groove supporting with grab, the medial surface of two pieces of grab grip blocks be each provided with one with hemisphere jut on grab or recessed
Fall into supporting bulb-shaped recess or projection.
A kind of multiple angle needle guide for venipuncture the most according to claim 1, it is characterised in that described connection fills
Put, the vertical center line of pipe three installed by adjusting means, puncture needle and the vertical centerline of Ultrasonic-B probe is in same plane.
A kind of multiple angle needle guide for venipuncture the most according to claim 1, it is characterised in that described two pieces
Connect grip block be elastomeric material connect grip block, one of on connecting hole have the spiral shell supporting with bolt threaded one end
Stricture of vagina, the other end of bolt tightens block with flat.
A kind of multiple angle needle guide for venipuncture the most according to claim 1, it is characterised in that described arc is even
The end of fishplate bar and connection grip block is all in circular arc, and the bolt of the two junction is arranged on the line of centres of this circular arc, arc
Shape connecting plate and connection grip block can rotate around bolt.
A kind of multiple angle needle guide for venipuncture, it is characterised in that arc is even
Fishplate bar is arranged on the exterior arc surface at circular arc position, arc connecting plate end with the angle index being connected grip block junction, connects
The exterior arc surface at circular arc position, grip block end is provided with a scale read line.
A kind of multiple angle needle guide for venipuncture the most according to claim 1, it is characterised in that described regulation fills
The centrage putting puncture needle installation pipe becomes 35 ° of-55 ° of angles with Ultrasonic-B probe centrage.
A kind of multiple angle needle guide for venipuncture the most according to claim 1, it is characterised in that described puncture
Pin is installed and is had a vertical cut (V. cut) extending to the other end from one end on pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436867.6U CN205672311U (en) | 2016-05-06 | 2016-05-06 | A kind of multiple angle needle guide for venipuncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436867.6U CN205672311U (en) | 2016-05-06 | 2016-05-06 | A kind of multiple angle needle guide for venipuncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205672311U true CN205672311U (en) | 2016-11-09 |
Family
ID=57437011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620436867.6U Expired - Fee Related CN205672311U (en) | 2016-05-06 | 2016-05-06 | A kind of multiple angle needle guide for venipuncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205672311U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821464A (en) * | 2017-03-06 | 2017-06-13 | 宜昌市中心人民医院 | Convex array probe Interventional Ultrasound paracentesis depth control device |
| CN109480972A (en) * | 2018-12-10 | 2019-03-19 | 无锡祥生医疗科技股份有限公司 | Puncture needle clamping apparatus |
| CN109480973A (en) * | 2018-12-10 | 2019-03-19 | 无锡祥生医疗科技股份有限公司 | Puncture needle clamping apparatus |
| CN110478006A (en) * | 2019-09-02 | 2019-11-22 | 南京市江宁医院 | A kind of adjustable sting device |
| CN112168299A (en) * | 2020-09-30 | 2021-01-05 | 中国人民解放军总医院第四医学中心 | PICC puts a tub supersound puncture positioner and positioning system |
| KR20220169623A (en) * | 2021-06-21 | 2022-12-28 | 연세대학교 원주산학협력단 | Vascular puncture guide device for attaching an ultrasonic probe |
-
2016
- 2016-05-06 CN CN201620436867.6U patent/CN205672311U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821464A (en) * | 2017-03-06 | 2017-06-13 | 宜昌市中心人民医院 | Convex array probe Interventional Ultrasound paracentesis depth control device |
| CN109480972A (en) * | 2018-12-10 | 2019-03-19 | 无锡祥生医疗科技股份有限公司 | Puncture needle clamping apparatus |
| CN109480973A (en) * | 2018-12-10 | 2019-03-19 | 无锡祥生医疗科技股份有限公司 | Puncture needle clamping apparatus |
| CN109480973B (en) * | 2018-12-10 | 2020-06-02 | 无锡祥生医疗科技股份有限公司 | Puncture needle clamping device |
| CN110478006A (en) * | 2019-09-02 | 2019-11-22 | 南京市江宁医院 | A kind of adjustable sting device |
| CN112168299A (en) * | 2020-09-30 | 2021-01-05 | 中国人民解放军总医院第四医学中心 | PICC puts a tub supersound puncture positioner and positioning system |
| CN112168299B (en) * | 2020-09-30 | 2022-02-11 | 中国人民解放军总医院第四医学中心 | PICC puts a tub supersound puncture positioner and positioning system |
| KR20220169623A (en) * | 2021-06-21 | 2022-12-28 | 연세대학교 원주산학협력단 | Vascular puncture guide device for attaching an ultrasonic probe |
| KR102610692B1 (en) * | 2021-06-21 | 2023-12-05 | 연세대학교 원주산학협력단 | Vascular puncture guide device for attaching an ultrasonic probe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20190506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |