CN111166498A - A kind of PICC in vitro measurement mechanism and method - Google Patents
A kind of PICC in vitro measurement mechanism and method Download PDFInfo
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- CN111166498A CN111166498A CN202010212988.3A CN202010212988A CN111166498A CN 111166498 A CN111166498 A CN 111166498A CN 202010212988 A CN202010212988 A CN 202010212988A CN 111166498 A CN111166498 A CN 111166498A
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- 238000000338 in vitro Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005259 measurement Methods 0.000 title claims description 44
- 230000001360 synchronised effect Effects 0.000 claims abstract description 38
- 238000005096 rolling process Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 210000001105 femoral artery Anatomy 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 16
- 230000010349 pulsation Effects 0.000 claims description 16
- 210000003111 iliac vein Anatomy 0.000 claims description 15
- 210000003191 femoral vein Anatomy 0.000 claims description 11
- 210000002417 xiphoid bone Anatomy 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 9
- 210000000689 upper leg Anatomy 0.000 claims description 8
- 238000000691 measurement method Methods 0.000 claims description 6
- 210000002414 leg Anatomy 0.000 claims description 3
- 210000001015 abdomen Anatomy 0.000 claims 1
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 210000003462 vein Anatomy 0.000 description 9
- 210000004013 groin Anatomy 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 241001433070 Xiphoides Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 229940044683 chemotherapy drug Drugs 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 210000002620 vena cava superior Anatomy 0.000 description 2
- 206010047249 Venous thrombosis Diseases 0.000 description 1
- 230000008321 arterial blood flow Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 208000001297 phlebitis Diseases 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 210000001631 vena cava inferior Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/061—Measuring instruments not otherwise provided for for measuring dimensions, e.g. length
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
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- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The invention discloses a PICC (peripherally inserted central catheter) in-vitro measuring mechanism and a PICC in-vitro measuring method, wherein the PICC in-vitro measuring mechanism comprises a shell and a digital rolling ruler arranged in the shell; the shell comprises a front end part and a rear end part, the front end part is rotatably connected with a measuring roller, and the measuring roller is in transmission connection with the digital rolling ruler through a synchronous belt; the outer edge of the measuring roller extends out of the front end part of the shell. The embodiment of the invention can accurately measure the specific distance from the puncture position to the target position, thereby accurately puncturing and further reducing the discomfort of patients.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a PICC in-vitro measuring mechanism and a PICC in-vitro measuring method.
Background
The Peripherally Inserted Central venous Catheter (PICC) is characterized in that a Catheter is utilized to puncture from a vein of a peripheral part (such as a thigh), the Catheter directly reaches a great vein close to the heart, so that the direct contact between chemotherapy drugs and the vein of the thigh is avoided, and the blood flow speed of the great vein is high, so that the chemotherapy drugs can be quickly diluted, the stimulation of the drugs to blood vessels is prevented, the veins of lower limbs can be effectively protected, the occurrence of phlebitis is reduced, the pain of a patient is relieved, and the life quality of the patient is improved.
At present, PICC (peripherally inserted catheter) is usually selected from one of the basilic vein, the middle vein and the cephalic vein of the thigh of a patient, and a catheter is directly inserted into the superior vena cava, so that a blood vessel with good elasticity and exposure is selected.
However, in the above method, since the distance from the catheter to the superior vena cava cannot be accurately measured during the PICC catheterization process, the medical staff needs to estimate the distance and perform repeated catheter insertion and extraction, which may increase the risk of infection of the patient during the PICC catheterization process and cause discomfort to the patient, and if the tip of the PICC catheter does not reach the ideal position, the incidence of venous thrombosis after PICC catheterization may be increased.
Disclosure of Invention
The present invention is directed to a PICC in vitro measurement mechanism and method, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
in a first aspect of the embodiments of the present invention, a PICC in-vitro measuring mechanism is provided, which includes a housing and a digital rolling ruler arranged in the housing; the shell comprises a front end part and a rear end part, the front end part is rotatably connected with a measuring roller, and the measuring roller is in transmission connection with the digital rolling ruler through a synchronous belt; the outer edge of the measuring roller extends out of the front end part of the shell.
Optionally, in the embodiment of the present invention, during in vitro measurement, the PICC in vitro measurement mechanism may be held by a hand, the measurement roller is made to cling to the skin of the patient, and then the housing may be held by the hand, so that the measurement roller rolls on the skin of the patient, and the digital rolling ruler starts to rotate under the driving of the synchronous belt, so as to accurately measure the rolling distance of the measurement roller, and measure the specific distance from the puncture point of the PICC performed by the patient to the target position (for example, the xiphoid process horizontal position of the patient).
Optionally, in the embodiment of the present invention, a tension pulley is further disposed between the digital rolling ruler and the measuring roller, and the synchronous belt is in transmission with the tension pulley in a matching manner.
It can be understood that the synchronous belt is kept in a tight state through the arrangement of the tension wheel, so that the digital rolling ruler can be rapidly driven to roll under the condition that the measuring roller rolls, and the distance can be accurately measured.
Optionally, in the embodiment of the present invention, the casing is further rotatably connected with a locking wheel, the edge of the casing close to the locking wheel is connected with a locking pressing block, the locking pressing block includes an external pressing portion, a connecting column and an internal locking sheet, the connecting column is connected with a limiting ring matched with the inner edge of the casing, a restoring spring is compressed between the external pressing portion and the outer edge of the casing, and the casing is provided with a through hole matched with the connecting column to pass through; the inner locking sheet is in fit pressure contact with the locking wheel.
It can be understood that when measuring, if the user when rolling to the target location with the puncture position control measurement gyro wheel from the patient, the user can press the splenium through the outside of pressing the locking briquetting to make inside stay can with hold-in range in close contact with, thereby can lock the hold-in range, the user can be retrieved measurement gyro wheel from patient's skin this moment, and read the distance value on the digital roll chi. Through the setting of locking briquetting, can avoid reading the in-process of distance value, measuring the roll of gyro wheel to cause the distance value of reading inaccurate.
Optionally, in the embodiment of the present invention, the outer edge of the digital rolling ruler is provided with a synchronous belt connecting ring, and the inner edge of the synchronous belt connecting ring is connected with the outer edge of the digital rolling ruler through an adhesive layer; the synchronous belt connecting ring comprises an inner ring body and a synchronous belt connecting groove arranged on the inner ring body, and synchronous convex edges are uniformly distributed in the synchronous belt connecting groove.
Optionally, in the embodiment of the present invention, the measuring roller, the tensioning wheel, and the locking wheel are provided with synchronous ribs in the wheel grooves.
Optionally, in the embodiment of the present invention, a plurality of limiting rollers are disposed in the casing around the synchronous belt connecting ring, and the limiting rollers are in rotational fit with the outer edge of the synchronous belt connecting ring.
A second aspect of an embodiment of the present invention provides a PICC in-vitro measurement method, which is applied to the PICC in-vitro measurement mechanism according to the first aspect, and the method includes: measuring a first distance from a skin surface puncture point to a midpoint of a femoral vein through an ultrasonic probe, wherein the skin surface puncture point is a puncture position of the surface of a thigh, and the midpoint of the femoral vein is a circle center position of a cross section of the femoral vein seen by the ultrasonic probe;
measuring a second distance from the meter puncture point to a groin femoral artery pulsation point through a PICC (peripherally inserted central catheter) external measurement mechanism, wherein the groin femoral artery pulsation point is the groin femoral artery pulsation point position of the leg part on the same side with the meter puncture point;
measuring a third distance from a inguinal femoral artery pulsation point to a junction point of the inferior vena cava of the left and right common iliac veins (hereinafter referred to as common iliac vein junction) by using a PICC (peripherally inserted central catheter) in-vitro measuring mechanism, wherein the common iliac vein junction is a position where the navel descends by 2cm and then travels by 2cm on the right in a vertical state of the human body;
and step four, measuring a fourth distance from the intersection point position of the femoral artery and iliac vein to the level of the xiphoid process by using a PICC (peripherally inserted central catheter) in-vitro measuring mechanism.
The measurement of the first to fourth distances is a continuous measurement.
The skin surface puncture point, the groin femoral artery pulsation point, the common iliac vein intersection point and the measurement point of the xiphoid level are all on the skin surface, and the measurement points are marked before measurement.
According to the in-vitro measuring method provided by the embodiment of the invention, during in-vitro measurement, the PICC in-vitro measuring mechanism can be held by a hand, the measuring roller is enabled to be tightly attached to the skin of a patient, then the shell can be held by the hand, the measuring roller rolls on the skin of the patient, and the digital rolling ruler starts to rotate under the driving of the synchronous belt, so that the rolling distance of the measuring roller can be accurately measured, and the specific distance from the puncture point of the PICC of the patient to a target position (such as the xiphoid process horizontal position of the patient) can be measured. And when measuring, if the user when rolling to the target location with the measuring roller of puncture position control from the patient, the user can press the splenium through pressing the outside of locking briquetting to make inside stay can with hold-in range in close contact with, thereby can lock the hold-in range, the user can take back the measuring roller from patient's skin this moment, and read the distance value on the digital roll chi. Through the setting of locking briquetting, can avoid reading the in-process of distance value, measuring the roll of gyro wheel to cause the distance value of reading inaccurate.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a PICC in-vitro measuring mechanism and a PICC in-vitro measuring method, which can accurately measure a distance and are convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a PICC in-vitro measurement mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of the internal connection of the PICC in-vitro measurement mechanism according to the embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the digital rolling ruler and the limiting roller;
FIG. 4 is a schematic view of the digital rolling ruler and the connection ring according to the present invention;
FIG. 5 is a schematic view of the arrangement of the synchronizing ribs on the coupling ring according to the present invention;
FIG. 6 is a schematic view of a locking pressing block and a locking wheel matching structure of the present invention;
FIG. 7 is a schematic diagram of a PICC in vitro measurement method of the present invention;
fig. 8 is a schematic diagram illustrating a first distance measurement in the PICC in-vitro measurement method according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first" and "second," and the like, in the description and in the claims of embodiments of the present invention are used for distinguishing between different objects and not for describing a particular order of the objects.
In the description of the embodiments of the present invention, the meaning of "a plurality" means two or more unless otherwise specified. For example, a plurality of elements refers to two elements or more.
The term "and/or" herein is an association relationship describing an associated object, and means that there may be three relationships, for example, a display panel and/or a backlight, which may mean: there are three cases of a display panel alone, a display panel and a backlight at the same time, and a backlight alone. The symbol "/" herein denotes a relationship in which the associated object is or, for example, input/output denotes input or output.
In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
The invention provides a PICC in vitro measuring mechanism and a method thereof, wherein the PICC in vitro measuring mechanism comprises a shell and a digital rolling ruler arranged in the shell; the shell comprises a front end part and a rear end part, the front end part is rotatably connected with a measuring roller, and the measuring roller is in transmission connection with the digital rolling ruler through a synchronous belt; the outer edge of the measuring roller extends out of the front end part of the shell. The embodiment of the invention can accurately measure the specific distance from the puncture position to the target position, thereby accurately puncturing and further reducing the discomfort of patients
The PICC in-vitro measuring mechanism provided by the embodiment of the invention can be applied to the PICC puncture process.
A laser processing apparatus and a laser processing method according to embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 8, an embodiment of the present invention provides a PICC in-vitro measuring mechanism, which includes a housing 18 and a digital rolling ruler 1 installed in the housing 18, where the housing 18 includes a front end portion and a rear end portion, the front end portion is rotatably installed with a measuring roller 2, and the measuring roller 2 is in transmission connection with the digital rolling ruler 1 through a synchronous belt 19; the outer edge of the measuring roller 2 extends out of the front end of the housing 18. The digital scroll ruler 1 is preferably a digital scroll ruler manufactured by HOZO corporation of usa, Rollova. The diameter of the measuring roller 2 is 0.5cm-2cm, preferably 1cm, and the size is convenient for the measuring roller 2 to roll on the surface of a human body, particularly the skin surface with fluctuant positions such as the inguinal femoral artery pulsating point 26 and the like, so that the attaching degree is improved, and the measuring precision is improved.
Optionally, in the embodiment of the present invention, during the in vitro measurement, the PICC in vitro measurement mechanism may be held by a hand, the measurement roller 2 is made to cling to the skin of the patient, and then the housing may be held by the hand, so that the measurement roller 2 rolls on the skin of the patient, and the digital rolling ruler 1 starts to rotate under the driving of the synchronous belt 19, so as to accurately measure the rolling distance of the measurement roller 2, and measure the specific distance from the puncture point of the PICC performed by the patient to the target position (for example, the xiphoid level 28 of the patient).
Optionally, in an embodiment of the present invention, referring to fig. 2, a tension pulley 3 is disposed between the digital rolling ruler 1 and the measuring roller 2, and the synchronous belt 19 is in transmission with the tension pulley 3 in a matching manner.
It can be understood that the arrangement of the tension pulley 3 can be used to keep the timing belt 19 in a tight state, so that the digital rolling ruler 1 can be rapidly driven to roll to accurately measure the distance under the condition that the measuring roller 2 rolls.
Optionally, in the embodiment of the present invention, with reference to fig. 5, the casing 18 is further rotatably connected with a locking wheel 4, an edge of the casing 18 close to the locking wheel 4 is connected with a locking pressing block 5, the locking pressing block 5 includes an external pressing portion 7, a connecting column 8 and an internal locking sheet 9, the connecting column 8 is connected with a limiting ring 10 matched with an inner edge of the casing 18, a restoring spring 11 is compressed between the external pressing portion 7 and an outer edge of the casing 18, and the casing 18 is provided with a through hole matched with the connecting column 8 to pass through; the inner locking tab 9 is in cooperating pressure contact with the locking wheel 4.
It can be understood that, during the measurement, if the user controls the measuring roller 2 to roll to the target position from the puncture position of the patient, the user can press the external pressing part 7 of the locking pressing block 5 to make the internal locking piece 9 closely contact with the synchronous belt 19, so as to lock the synchronous belt 19, and at this time, the user can withdraw the measuring roller 2 from the skin of the patient and read the distance value on the digital rolling ruler 1. Through the setting of locking briquetting 5, can avoid reading the in-process of distance value, measuring the roll of gyro wheel 2 to cause the distance value of reading inaccurate.
Optionally, in the embodiment of the present invention, with reference to fig. 4 and 5, a synchronous belt 19 connecting ring 12 is disposed at an outer edge of the digital rolling ruler 1, and an inner edge of the synchronous belt 19 connecting ring 12 is connected to the outer edge of the digital rolling ruler 1 through an adhesive layer 13; the synchronous belt 19 connecting ring 12 comprises an inner ring body 14 and a synchronous belt 19 connecting groove 15 arranged on the inner ring body 14, and synchronous ribs 16 are uniformly distributed in the synchronous belt 19 connecting groove 15.
Optionally, in the embodiment of the present invention, the measuring roller 2, the tensioning wheel 3, and the locking wheel 4 are provided with synchronous ribs 16 in their grooves.
Optionally, in the embodiment of the present invention, referring to fig. 2 and 3, a plurality of limiting rollers 17 are disposed around the connecting ring 12 of the timing belt 19 in the housing 18, and the limiting rollers 17 are rotatably engaged with the outer edge of the connecting ring 12 of the timing belt 19.
Fig. 7 illustrates a PICC in-vitro measurement method according to an embodiment of the present invention, and as shown in fig. 7, the PICC in-vitro measurement method according to the embodiment of the present invention includes the following steps:
the measurement points at the skin surface puncture point 24, the inguinal femoral artery pulsation point 26, the common iliac vein intersection point 27, and the xiphoid level 28 are all at the skin surface and are marked prior to measurement.
The method comprises the steps that firstly, a first distance 20 from a skin surface puncture point 24 to a femoral vein midpoint 25 is measured through an ultrasonic probe, the skin surface puncture point 24 is a puncture position of thigh surface skin, the femoral vein midpoint 25 is a circle center position of a femoral vein cross section seen when the ultrasonic probe is placed on the thigh puncture point surface skin, and the actual distance between the skin surface puncture point 24 and the circle center position of the femoral vein measured by the ultrasonic probe is the first distance 20; in the embodiment of the invention, because the puncture positions of different patients may have different conditions (such as fat thickness and vein running at the puncture positions), the fat thickness of the patients can be accurately measured through the ultrasonic probe, so that the puncture depth can be determined according to the fat thickness to accurately puncture. The ultrasound probe measurements are preferably performed using the SITE-RITE 5 vascular sonicator device manufactured by bard, usa.
Step two, measuring a second distance 21 from the surface puncture point to a groin femoral artery pulsation point 26 through a PICC external measurement mechanism, wherein the groin femoral artery pulsation point 26 is the position of the groin femoral artery pulsation point 26 of the leg part on the same side as the surface puncture point;
step three, measuring a third distance 22 from a inguinal femoral artery pulsation point 26 to a point where the left and right common iliac veins converge to form a lower vena cava point (hereinafter referred to as the common iliac vein intersection point 27) by using a PICC (peripheral arterial blood circulation) in-vitro measuring mechanism, wherein the common iliac vein intersection point is a position where the navel 29 descends 2cm and then moves 2cm right in a vertical state of a human body;
and step four, measuring a fourth distance 23 from the position of the common iliac vein intersection 27 to the level 28 of the xiphoid process by a PICC in-vitro measuring mechanism.
The above-described measurement of the first to fourth distances 20 to 23 is a continuous measurement.
In the specific operation, the shell 18 is held by hand, the measuring roller 2 is pressed close to the surface of the skin, the measuring points of the skin surface puncture point 24, the inguinal femoral artery pulsation point 26, the common iliac vein intersection point 27 and the xiphoid process level 28 on the surface of the skin roll in sequence, the measuring roller 2 drives the roller of the digital rolling ruler 1 to roll synchronously, the second distance 21, the third distance 22 and the fourth distance 23 are accumulated and measured on the digital rolling ruler 1 and added with the first distance 20, and the final PICC catheter placement length is obtained. Because the fat muscle thickness of thighs is considered in the whole measurement, and the measurement is carried out according to the flow direction of femoral veins, the measurement precision is greatly improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212988.3A CN111166498B (en) | 2020-03-24 | 2020-03-24 | A PICC in vitro measurement method |
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| CN202010212988.3A CN111166498B (en) | 2020-03-24 | 2020-03-24 | A PICC in vitro measurement method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2217780Y (en) * | 1994-04-12 | 1996-01-17 | 黎代全 | Rolling ruler |
| US8439873B1 (en) * | 2009-12-17 | 2013-05-14 | Gail Marie Donovan | Catheter with position indicator |
| CN203564339U (en) * | 2013-10-22 | 2014-04-30 | 杨玲玲 | Femoral arterial and venous puncture positioning device |
| CN205197965U (en) * | 2015-11-30 | 2016-05-04 | 杜艳坤 | Local anesthetic scope analyzer |
| CN109157222A (en) * | 2018-08-24 | 2019-01-08 | 庞海燕 | Multipurpose medical measuring scale |
| CN208520349U (en) * | 2018-06-12 | 2019-02-19 | 梁天程 | A kind of electronics rolling ruler |
| CN110051439A (en) * | 2019-04-29 | 2019-07-26 | 隋君 | PICC sets length of tube measurement method |
| KR20190117125A (en) * | 2018-04-06 | 2019-10-16 | 계명대학교 산학협력단 | Ultrasound-guided direct needle engagement for flush-occluded superficial femoral artery, and using method thereof |
| CN211985706U (en) * | 2020-03-24 | 2020-11-24 | 江阴市人民医院 | PICC external measuring mechanism |
-
2020
- 2020-03-24 CN CN202010212988.3A patent/CN111166498B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2217780Y (en) * | 1994-04-12 | 1996-01-17 | 黎代全 | Rolling ruler |
| US8439873B1 (en) * | 2009-12-17 | 2013-05-14 | Gail Marie Donovan | Catheter with position indicator |
| CN203564339U (en) * | 2013-10-22 | 2014-04-30 | 杨玲玲 | Femoral arterial and venous puncture positioning device |
| CN205197965U (en) * | 2015-11-30 | 2016-05-04 | 杜艳坤 | Local anesthetic scope analyzer |
| KR20190117125A (en) * | 2018-04-06 | 2019-10-16 | 계명대학교 산학협력단 | Ultrasound-guided direct needle engagement for flush-occluded superficial femoral artery, and using method thereof |
| CN208520349U (en) * | 2018-06-12 | 2019-02-19 | 梁天程 | A kind of electronics rolling ruler |
| CN109157222A (en) * | 2018-08-24 | 2019-01-08 | 庞海燕 | Multipurpose medical measuring scale |
| CN110051439A (en) * | 2019-04-29 | 2019-07-26 | 隋君 | PICC sets length of tube measurement method |
| CN211985706U (en) * | 2020-03-24 | 2020-11-24 | 江阴市人民医院 | PICC external measuring mechanism |
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|---|---|
| CN111166498B (en) | 2024-12-06 |
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