CN110279455A - A kind of puncture needle guidance apparatus suitable for being punctured through the wide face of Ultrasonic-B probe - Google Patents
A kind of puncture needle guidance apparatus suitable for being punctured through the wide face of Ultrasonic-B probe Download PDFInfo
- Publication number
- CN110279455A CN110279455A CN201910676311.2A CN201910676311A CN110279455A CN 110279455 A CN110279455 A CN 110279455A CN 201910676311 A CN201910676311 A CN 201910676311A CN 110279455 A CN110279455 A CN 110279455A
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- Prior art keywords
- ultrasonic
- probe
- wide face
- positioning strip
- puncture needle
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- 239000000523 sample Substances 0.000 title claims abstract description 76
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003734 kidney Anatomy 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 208000000913 Kidney Calculi Diseases 0.000 description 2
- 206010029148 Nephrolithiasis Diseases 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 208000031868 Calculus ureteric Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- LEVWYRKDKASIDU-QWWZWVQMSA-N D-cystine Chemical compound OC(=O)[C@H](N)CSSC[C@@H](N)C(O)=O LEVWYRKDKASIDU-QWWZWVQMSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 208000000014 Ureteral Calculi Diseases 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 229960005069 calcium Drugs 0.000 description 1
- YYJSBERANQTJJH-UHFFFAOYSA-L calcium;2-oxopropanedioate Chemical compound [Ca+2].[O-]C(=O)C(=O)C([O-])=O YYJSBERANQTJJH-UHFFFAOYSA-L 0.000 description 1
- 229960003067 cystine Drugs 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002686 lithotriptor Methods 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229940116315 oxalic acid Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The present invention relates to a kind of puncture needle guidance apparatus suitable for puncturing through the wide face of Ultrasonic-B probe, including connecting plate, positioning strip and coordinating block, the connecting plate is parallel and is removably connected to the upper wide face of Ultrasonic-B probe, positioning strip length direction in wide face along Ultrasonic-B probe is set on the connecting plate, and the bottom margin of the positioning strip outer end is pressed on Ultrasonic-B probe on the common first edges of wide face and Ultrasonic-B probe contact skin surface, the side wall markings of the positioning strip have scale, the coordinating block is movably mounted on the positioning strip, the vertical range in wide face is that the Ultrasonic-B probe contacts the 1/2 of skin surface height on the center of the coordinating block upper surface to the Ultrasonic-B probe, puncture needle guidance apparatus provided by the invention is easy to use, structure is simple, it is low in cost, the accuracy of puncture can be improved, there is higher clinical value.
Description
Technical field
The present invention relates to medical auxiliary apparatus technical fields, are suitable for puncturing through the wide face of Ultrasonic-B probe more particularly to one kind
Puncture needle guidance apparatus.
Background technique
Kidney stone is some crystalline solids (such as calcium, oxalic acid, uric acid, cystine etc.) caused by the abnormal accumulation of kidney, is
The common disease of urinary system mostly occurs in person between twenty and fifty, and the disease incidence no significant difference of left and right sides, 90% contains calcium, mesoxalic acid
Calcium calculus is most common.Percutaneous nephrolithotomy is treatment one of kidney stone and the most important therapeutic scheme of proximal ureteral calculus.
Percutaneous nephrolithotomy usually uses a very thin puncture needle directly to enter kidney from skin, and establishes an operation by expansion
It is placed in kidney mirror behind channel, smash calculus using ultrasound, pneumatic ballistic lithotriptor or laser system and takes stone.
It is at present that Urology Surgery doctor carries out the percutaneous nephrolithy way that takes stone art often to select through the wide face localised puncture of Ultrasonic-B probe
Diameter clinically often with the feeling of operative doctor and the angle of micro-judgment puncture needle and Ultrasonic-B probe, therefore often occurs because puncturing angle
The case where degree judges inaccurate (the especially not good enough doctor of experience) and causes repeatedly puncture, injury of blood vessel or puncture failure, by
This as it can be seen that puncture angle it is accurate whether it is closely related with the success rate of puncture, therefore, be badly in need of a kind of be suitable for through Ultrasonic-B probe
The puncture needle guidance apparatus that wide face punctures is punctured with cooperating.
Summary of the invention
The present invention is to overcome the technical problems existing in the prior art and provide a kind of be suitable for through the wide face puncture of Ultrasonic-B probe
Puncture needle guidance apparatus, which can assist operative doctor to determine the puncture angle of puncture needle, Jin Erti
The success rate that height punctures.
A kind of puncture needle guidance apparatus suitable for being punctured through the wide face of Ultrasonic-B probe, including connecting plate, positioning strip and cooperation
Block, the connecting plate is parallel and is removably connected to the upper wide face of Ultrasonic-B probe, the length in the positioning strip wide face along Ultrasonic-B probe
Degree direction is set on the connecting plate, and the bottom margin of the positioning strip outer end is pressed on Ultrasonic-B probe wide face and Ultrasonic-B probe
On the common first edges for contacting skin surface, the side wall markings of the positioning strip have scale, and the coordinating block is movably mounted to described
On positioning strip, the vertical range in wide face is that the Ultrasonic-B probe contacts skin on the center to the Ultrasonic-B probe of the coordinating block upper surface
The 1/2 of skin face height.
Above scheme provide it is a kind of suitable for the puncture needle guidance apparatus that is punctured through the wide face of Ultrasonic-B probe in use, passing through B
Super probe can determine the position for puncturing target point and puncture vertical length of the target point away from Ultrasonic-B probe contact skin surface, and B ultrasound is visited
The height of head contact skin surface can be determined by the specifications and models of Ultrasonic-B probe, the contact skin surface and Ultrasonic-B probe of Ultrasonic-B probe
Detection direction is vertical, therefore, punctures target point, the contact skin surface of Ultrasonic-B probe the perpendicular point of target point and is worn with puncture
The contact point form right angle triangle of pricker and the wide face edge of Ultrasonic-B probe；
Since the vertical range in face wide on the center to Ultrasonic-B probe of coordinating block upper surface is that Ultrasonic-B probe contacts skin surface height
The 1/2 of degree, and coordinating block is arranged perpendicular to the upper wide face of Ultrasonic-B probe, the bottom margin of the positioning strip outer end is pressed on Ultrasonic-B probe
On the common first edges of upper width face and Ultrasonic-B probe contact skin surface, therefore, the midpoint at coordinating block upper surface center, positioning strip it is outer
Endpoint and positioning strip are in corresponding form right angle triangle vertical with the midpoint at coordinating block upper surface center；
It can be seen from the above, adjusting coordinating block distance according to vertical length of the target point away from Ultrasonic-B probe contact skin surface is punctured
Positioning strip thus can be according on coordinating block so that above-mentioned two right angled triangle is congruent in the length of upper wide face edge thread end
The central point and positioning strip of end face determine the angle for puncturing pin puncture in the end points of upper wide face edge line.It is provided by the invention to wear
Pricker guide device is easy to use, of simple structure and low cost, and the accuracy of puncture can be improved, and has higher clinical application valence
Value.
Preferred technical solution, additional technical feature are: the positioning strip is sliding rail, and the coordinating block is sliding block,
The side wall at the positioning strip both ends is provided with limited block, and the coordinating block band damping is slidably mounted on the positioning strip, uses
The mode that sliding rail is matched with sliding block determines the sliding distance of sliding block, and easy to operate, elapsed time is short.
Preferred technical solution, additional technical feature are: further including telescopic rod, one end of the telescopic rod is articulated with
Ultrasonic-B probe contacts the center of wide face common edge on skin surface and Ultrasonic-B probe, and the other end is articulated in coordinating block upper surface
The heart.The angle of puncture can be directly determined, using telescopic rod to facilitate operative doctor referring to the angular adjustment puncture needle of telescopic rod
Puncture angle.
Preferred technical solution, additional technical feature are: locating slot is equidistantly provided on the positioning strip, it is described
Coordinating block is provided with the strip matched with the locating slot.
Preferred technical solution, additional technical feature are: the connecting plate is adhesive sheet or negative-pressure adsorption plate, is utilized
Adhesive sheet or negative-pressure adsorption plate can quickly make to puncture needle guidance apparatus to be connect with width face on Ultrasonic-B probe, can be to wearing after use
The disinfection of pricker guide device is handled according to medical equipment operating specification.
Detailed description of the invention
Fig. 1 is a kind of structure suitable for the puncture needle guidance apparatus punctured through the wide face of Ultrasonic-B probe of the embodiment of the present invention 1
Schematic diagram.
Fig. 2 is the schematic diagram that puncture needle guidance apparatus shown in FIG. 1 is mounted on wide face on Ultrasonic-B probe.
Fig. 3 is that the puncture needle guidance apparatus that Fig. 1 is provided uses schematic diagram.
Fig. 4 is a kind of signal suitable for the puncture needle guidance apparatus punctured through the wide face of Ultrasonic-B probe of the embodiment of the present invention 2
Figure.
In attached drawing:
10, connecting plate；20, positioning strip；21, scale；22, limited block；23, locating slot；30, clump weight；31, strip；40,
Telescopic rod；50, Ultrasonic-B probe.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and it is described in detail
It is as follows:
Embodiment 1:
As depicted in figs. 1 and 2, a kind of puncture needle guidance apparatus suitable for being punctured through the wide face of Ultrasonic-B probe, including connecting plate
10, positioning strip 20 and coordinating block 30, the connecting plate 10 is parallel and is removably connected to the upper wide face of Ultrasonic-B probe 50, described fixed
The position length direction in wide face along Ultrasonic-B probe 50 of item 20 is set on connecting plate 10, and the bottom margin of 20 outer end of positioning strip
It is pressed on wide face and Ultrasonic-B probe 50 on Ultrasonic-B probe 50 to contact on the common first edges of skin surface, the side wall markings of the positioning strip 20 have
Scale 21；The coordinating block 30 is movably mounted on positioning strip 20, on the center to Ultrasonic-B probe 50 of 30 upper surface of coordinating block
The vertical range in wide face is that Ultrasonic-B probe 50 contacts the 1/2 of skin surface height.
Preferably, in the present embodiment, the positioning strip 20 is sliding rail, and the coordinating block 30 is sliding block, the positioning strip
The side wall at 20 both ends is provided with limited block 22, and the coordinating block 30 is slidably mounted on positioning strip 20 with damping, by sliding block with
The mode that sliding rail matches determines the sliding distance of sliding block, easy to operate, and precision is high.
It preferably, in the present embodiment, further include telescopic rod 40, one end of the telescopic rod 40 is articulated with Ultrasonic-B probe 50
It contacts on skin surface and Ultrasonic-B probe 50 in the common edge in wide face, the other end is articulated with the center of 30 upper surface of coordinating block.Pass through
Sliding block drives telescopic rod 40 flexible, can intuitively observe the angle of telescopic rod 40, operative doctor keeps puncture needle parallel with telescopic rod 40
It can determine puncture angle.
Preferably, in the present embodiment, the connecting plate 10 is adhesive sheet or negative-pressure adsorption plate, utilizes adhesive sheet or negative pressure
Adsorption plate can quickly be such that puncture needle guidance apparatus connect with the upper wide face of Ultrasonic-B probe 50, after use, can guide puncture needle
Device disinfection is handled according to medical equipment operating specification.Certainly, the connecting plate 10 can be to meet medical want in the prior art
The connecting plate of fast quick-detach is sought and is convenient for, such as fixed plate body in the way of cotton rope, adhesive tape etc..
A kind of puncture needle guidance apparatus suitable for puncturing through the wide face of Ultrasonic-B probe provided in this embodiment uses principle:
Referring to Fig. 3, it is b that Ultrasonic-B probe 50, which contacts patient skin face,1b2b3b4, the face that Ultrasonic-B probe 50 is observed is a1a2a3a4,
0 is punctures target point, and p is the central point that Ultrasonic-B probe 50 contacts patient skin face, and q is to puncture to be needled into skin points, and e is
The central point of 20 outer end bottom of positioning strip, d are the central point of coordinating block upper surface, and c is the vertical point in the wide face on Ultrasonic-B probe 50 d.
The length po that Ultrasonic-B probe 50 detects is datum, and the height that Ultrasonic-B probe 50 contacts skin surface is datum, ∠ qpo
It is right angle；The vertical range dc in wide face is equal with pq on the center to Ultrasonic-B probe 50 of 30 upper surface of coordinating block, and ∠ dce is right angle,
Mobile sliding block keeps the length of ec identical as po, i.e., determines △ dce ≌ △ qpo using the corner side principle that congruent triangles determines
Congruence, obtains that ∠ cde is equal with ∠ pqo later, then can refer to ∠ cde and determines the angle punctured.
The above-mentioned puncture needle guidance apparatus punctured through the wide face of Ultrasonic-B probe using punctured in principle be needled into skin points be with
b1b2Midpoint q for be illustrated, in the actual operation process, q can be b1b2Upper arbitrary point, it is corresponding to obtain q, p, 0 three
Point forms right angled triangle in the same plane.
A kind of puncture needle guidance apparatus suitable for puncturing through the wide face of Ultrasonic-B probe provided in this embodiment, utilizes known ginseng
Number, adjustment punctures the angle of needle guidance apparatus, and then determines puncture angle by referring to the angle for puncturing needle guidance apparatus, former
Reason is simple, and operating aspect is low in cost.
Embodiment 2, referring to Fig. 4, the present embodiment is similar to Example 1, the difference lies in that between waiting on the positioning strip 20
Away from being provided with locating slot 23, the coordinating block 30 is provided with the strip 31 matched with locating slot 23, operative doctor can pass through by
The plug of coordinating block 30 realizes that coordinating block 30 is position-movable in locating slot 23.
A kind of puncture needle guidance apparatus suitable for puncturing through the wide face of Ultrasonic-B probe provided in this embodiment, structure are same
Simply, easy to use.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of, within these are all belonged to the scope of protection of the present invention.
Claims (5)
1. a kind of puncture needle guidance apparatus suitable for being punctured through the wide face of Ultrasonic-B probe, which is characterized in that including connecting plate (10),
Positioning strip (20) and coordinating block (30), the connecting plate (10) is parallel and is removably connected to the upper wide face of Ultrasonic-B probe (50), institute
It states positioning strip (20) length direction in wide face along Ultrasonic-B probe (50) to be set on the connecting plate (10), and the positioning strip
(20) bottom margin of outer end is pressed on Ultrasonic-B probe (50) on the common first edges of wide face and Ultrasonic-B probe (50) contact skin surface,
The side wall markings of the positioning strip (20) have scale (21), and the coordinating block (30) is movably mounted to the positioning strip (20)
On, the vertical range in wide face is the Ultrasonic-B probe (50) on the center to the Ultrasonic-B probe (50) of coordinating block (30) upper surface
Contact the 1/2 of skin surface height.
2. a kind of puncture needle guidance apparatus suitable for puncturing through the wide face of Ultrasonic-B probe according to claim 1, feature exist
In: the positioning strip (20) is sliding rail, and the coordinating block (30) is sliding block, and the side wall setting at positioning strip (20) both ends is limited
Position block (22), coordinating block (30) the band damping are slidably mounted on the positioning strip (20).
3. a kind of puncture needle guidance apparatus suitable for puncturing through the wide face of Ultrasonic-B probe according to claim 2, feature exist
In: it further include telescopic rod (40), one end of the telescopic rod (40) is articulated with Ultrasonic-B probe (50) contact skin surface and Ultrasonic-B probe
(50) in the common edge in wide face, the other end is articulated with the center of the coordinating block (30) upper surface.
4. a kind of puncture needle guidance apparatus suitable for puncturing through the wide face of Ultrasonic-B probe according to claim 1, feature exist
In: it is equidistantly provided with locating slot (23) on the positioning strip (20), the coordinating block (30) is provided with and the locating slot
(23) strip (31) matched.
5. a kind of puncture needle guidance apparatus suitable for puncturing through the wide face of Ultrasonic-B probe according to claim 1, feature exist
In: the connecting plate (10) is adhesive sheet or negative-pressure adsorption plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910676311.2A CN110279455A (en) | 2019-07-25 | 2019-07-25 | A kind of puncture needle guidance apparatus suitable for being punctured through the wide face of Ultrasonic-B probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910676311.2A CN110279455A (en) | 2019-07-25 | 2019-07-25 | A kind of puncture needle guidance apparatus suitable for being punctured through the wide face of Ultrasonic-B probe |
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| Publication Number | Publication Date |
|---|---|
| CN110279455A true CN110279455A (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910676311.2A Pending CN110279455A (en) | 2019-07-25 | 2019-07-25 | A kind of puncture needle guidance apparatus suitable for being punctured through the wide face of Ultrasonic-B probe |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202342196U (en) * | 2011-12-09 | 2012-07-25 | 李文 | B-ultrasonic probe puncture guider with adjustable scaleplate |
| CN203303164U (en) * | 2013-07-01 | 2013-11-27 | 胡红星 | Special puncture frame for percutaneous renal B ultrasound |
| CN204445942U (en) * | 2015-02-19 | 2015-07-08 | 王敬 | Sucker type ultrasonic puncture angle positioner |
| CN106562816A (en) * | 2016-11-10 | 2017-04-19 | 李利 | Universal ultrasonic guiding support and method for assembling the same on ultrasonic probe |
| CN207270371U (en) * | 2017-03-09 | 2018-04-27 | 中国医科大学附属第一医院 | B-ultrasound central venous puncture auxiliary device |
| CN208193148U (en) * | 2017-11-06 | 2018-12-07 | 刘亮明 | A kind of Cardiological puncture auxiliary locator |
| CN109394315A (en) * | 2018-12-07 | 2019-03-01 | 曹先德 | A kind of ultrasonic guidance precisely punctures work rest blade |
| CN209499859U (en) * | 2018-12-25 | 2019-10-18 | 无锡祥生医疗科技股份有限公司 | Ultrasonic puncture equipment with guiding puncture device |
-
2019
- 2019-07-25 CN CN201910676311.2A patent/CN110279455A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202342196U (en) * | 2011-12-09 | 2012-07-25 | 李文 | B-ultrasonic probe puncture guider with adjustable scaleplate |
| CN203303164U (en) * | 2013-07-01 | 2013-11-27 | 胡红星 | Special puncture frame for percutaneous renal B ultrasound |
| CN204445942U (en) * | 2015-02-19 | 2015-07-08 | 王敬 | Sucker type ultrasonic puncture angle positioner |
| CN106562816A (en) * | 2016-11-10 | 2017-04-19 | 李利 | Universal ultrasonic guiding support and method for assembling the same on ultrasonic probe |
| CN207270371U (en) * | 2017-03-09 | 2018-04-27 | 中国医科大学附属第一医院 | B-ultrasound central venous puncture auxiliary device |
| CN208193148U (en) * | 2017-11-06 | 2018-12-07 | 刘亮明 | A kind of Cardiological puncture auxiliary locator |
| CN109394315A (en) * | 2018-12-07 | 2019-03-01 | 曹先德 | A kind of ultrasonic guidance precisely punctures work rest blade |
| CN209499859U (en) * | 2018-12-25 | 2019-10-18 | 无锡祥生医疗科技股份有限公司 | Ultrasonic puncture equipment with guiding puncture device |
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| PB01 | Publication | ||
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Application publication date: 20190927 |