CN117338381A - Semi-automatic ultrasonic guided radial artery puncture tube-placing device - Google Patents
Semi-automatic ultrasonic guided radial artery puncture tube-placing device Download PDFInfo
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- CN117338381A CN117338381A CN202311060196.9A CN202311060196A CN117338381A CN 117338381 A CN117338381 A CN 117338381A CN 202311060196 A CN202311060196 A CN 202311060196A CN 117338381 A CN117338381 A CN 117338381A
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- 210000002321 radial artery Anatomy 0.000 title claims abstract description 42
- 239000000523 sample Substances 0.000 claims abstract description 82
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 210000000245 forearm Anatomy 0.000 claims abstract description 27
- 210000000078 claw Anatomy 0.000 claims description 11
- 210000000707 wrist Anatomy 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000002604 ultrasonography Methods 0.000 claims description 8
- 210000004204 blood vessel Anatomy 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000037368 penetrate the skin Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 7
- 210000003811 finger Anatomy 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000007779 soft material Substances 0.000 description 4
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- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 208000014674 injury Diseases 0.000 description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010061363 Skeletal injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000004872 arterial blood pressure Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 229910002027 silica gel Inorganic materials 0.000 description 1
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- 210000003813 thumb Anatomy 0.000 description 1
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Classifications
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- 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
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- 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
- A61B90/10—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 for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
-
- 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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Neurosurgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The application relates to the technical field of medical equipment, in particular to a semi-automatic ultrasonic guided radial artery puncture catheterization device, which comprises: an ultrasonic probe having a detection unit capable of being attached to the skin of a patient; a fixing assembly including a first fixing member and a second fixing member connected to each other; the first fixing piece is used for fixing the forearm of the patient, so that the inner side of the forearm of the patient faces upwards; the second fixing piece is arranged above the first fixing piece; the ultrasonic probe is rotationally connected with the second fixing piece; the support piece is arranged at an angle with the detection part and is used for fixing the puncture needle; the supporting piece is connected with the ultrasonic probe, so that the supporting piece can drive the puncture needle and the ultrasonic probe to synchronously rotate; the needle head of pjncture needle sets up the edge at detection portion for the needle head can be along the edge of detection portion puncture patient's skin, so can the feed angle of pjncture needle be fixed, thereby realize reducing doctor's operation degree of difficulty, promote the puncture success rate.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a semi-automatic ultrasonic guided radial artery puncture catheterization device.
Background
Ultrasonic positioning of radial artery puncture is to monitor the whole process of the arterial puncture needle entering the radial artery under the guidance of ultrasonic waves. The radial artery puncture tube placement is clinically important technical operation, and the pressure sensor is connected after the radial artery puncture tube placement, so that the arterial pressure of a patient can be monitored in real time, a doctor can be helped to process the condition of the patient in time, arterial blood movement, pulse blood and qi analysis can be extracted, and the environmental state in the organism can be known. Because the radial artery is shallow in position, the catheter is easy to put, the complications are few, and meanwhile, the lateral branch circulation of the hand is rich, so that the catheter is one of the most frequently selected positions in clinic. The ultrasonic positioning has the advantages that the blood vessel and the puncture needle can be observed in real time, the puncture success rate is improved, the puncture times are reduced, the operation time is shortened, and the occurrence of puncture complications is reduced. The radial artery puncture under the ultrasonic guidance of the visualization technology is increased in clinical application, and the ultrasonic application improves the success rate of radial artery puncture tube placement and reduces the body injury.
The whole operation process of the puncture operation under the guidance of the ultrasonic wave requires the needle tip of the puncture needle to be visible so as to ensure the operation safety. However, the scanning range of the ultrasonic probe is smaller, the fine movement of the ultrasonic probe can possibly move out of the scanned image, so that the difficulty of the puncture operation under the guidance of the ultrasonic is higher, the doctor is difficult to control the feeding angle of the puncture needle, and the success rate of disposable puncture is lower.
Therefore, a semi-automatic ultrasonic guided radial artery puncture catheter device is needed to solve the technical problems in the prior art to a certain extent.
Disclosure of Invention
The utility model aims at providing a radial artery puncture catheterization device under semi-automatic ultrasonic guidance to solve the problem that the puncture operation degree of difficulty is great under the current ultrasonic guidance to a certain extent, the success rate is lower.
The application provides a semi-automatic ultrasonic guidance is radial artery puncture catheterization device down, wherein, radial artery puncture catheterization device under the semi-automatic ultrasonic guidance includes:
an ultrasonic probe having a detection unit capable of being attached to the skin of a patient;
a fixing assembly including a first fixing member and a second fixing member connected to each other; the first fixing piece is used for fixing the forearm of the patient, so that the inner side of the forearm of the patient faces upwards; the second fixing piece is arranged above the first fixing piece; the ultrasonic probe is rotationally connected with the second fixing piece;
the supporting piece is arranged at an angle with the detection part and is used for fixing the puncture needle; the supporting piece is connected with the ultrasonic probe, so that the supporting piece can drive the puncture needle and the ultrasonic probe to synchronously rotate; the needle of the puncture needle is disposed at the edge of the detection portion such that the needle can penetrate the skin of the patient along the edge of the detection portion.
In the above technical solution, further, the support member is formed into a plate structure, a clamping portion extending toward the ultrasonic probe is formed at the top of the support member, one end of the clamping portion, which is close to the ultrasonic probe, is formed into a first claw, and the first claw is clamped on the side wall of the ultrasonic probe; the clamping portion is far away from the one end of ultrasonic probe forms to the second jack catch, the second jack catch with support piece encloses into spacing chamber, the pjncture needle set up in the inside in spacing chamber, the pjncture needle can be followed support piece orientation is close to ultrasonic probe's direction motion makes the syringe needle keeps the angle pierces patient's skin.
In any of the above technical solutions, further, the distance between the skin on the affected side and the blood vessel to be punctured by the needle head can be measured by the ultrasonic probe to be a, the angle is 30 °, and the needle insertion distance of the puncture needle along the direction of the support moving toward the ultrasonic probe is 2a;
the side of the support is provided with scale values for showing the needle insertion distance of the puncture needle.
In any of the above-mentioned aspects, further, a side of the support facing the skin of the patient is formed in a planar structure disposed parallel to the detection portion, and the first claw is capable of reciprocating along a height direction of the ultrasonic probe such that the side of the support facing the skin of the patient is coplanar with the detection portion.
In any of the above technical solutions, further, the first fixing member is formed into a strip-shaped ring structure, and the first fixing member is provided with a limiting portion, so that the ring of the first fixing member is divided into a first fixing cavity and a second fixing cavity, the inner side of the forearm of the patient faces upwards and passes through the second fixing cavity from the lower side of the first fixing member, the hand of the patient passes through the first fixing cavity from the upper side of the first fixing member, and the limiting portion abuts against the wrist of the patient, so that the wrist of the patient is supported up to be attached to the detecting portion.
In any of the above technical solutions, further, the limiting portion may slide along a length direction of the first fixing member to adjust a ratio of the first fixing cavity to the second fixing cavity;
the part of the first fixing piece in the length direction is formed into a telescopic structure, so that the size of the first fixing piece in the length direction can be adjusted.
In any of the above technical solutions, further, a holding portion is provided on a side wall of the first fixing member, and the holding portion is disposed on a side of the first fixing member away from the second fixing chamber; after the hand of the patient passes through the first fixing piece, the finger of the patient bends upwards from the lower direction of the first fixing piece and covers at least part of the holding part;
a plurality of pits are formed on one side of the holding part, which is away from the first fixing cavity, and are arranged at intervals along the length direction of the holding part, and the fingers of a patient are embedded in at least part of the pits;
the lateral wall of first mounting is provided with the portion of pushing down, the portion of pushing down sets up first mounting is kept away from one side of first fixed chamber for push down patient's forearm.
In any of the above technical solutions, further, the second fixing piece is slidably connected with the first fixing piece, so that the second fixing piece can move along the side wall of the second fixing cavity in a direction approaching or separating from the limiting portion.
In any of the above solutions, further, the second fixing member includes:
the stand columns are formed into a rod-shaped structure extending along the vertical direction, and the stand columns are provided with two stand columns and are respectively positioned at two sides of the forearm of the patient;
the support plate is horizontally arranged and connected with the upright post, and a rotating hole penetrating through the main body of the support plate is formed in the support plate;
the rotating shaft extends into the rotating hole, so that the rotating shaft is rotationally connected with the rotating hole; a clamping part is arranged at one end of the rotating shaft, which faces the ultrasonic probe, and is provided with an opening which faces the ultrasonic probe;
the locking rod penetrates through the side wall of the clamping part and can move along the direction of extending into or out of the opening; the top of the ultrasonic probe stretches into the opening, and the end part of the locking rod is abutted with the side wall of the ultrasonic probe, so that the ultrasonic probe is clamped between the locking rod and the clamping part.
In any of the above technical solutions, further, the upright is bent into an L-shaped structure, and a horizontally disposed portion of the L-shaped structure extends toward the hand of the patient and is connected to the support plate; the bending part of the L-shaped structure is provided with a reinforcing part;
the bottom of the upright post is formed into a Y-shaped structure, so that the upright post and the first fixing piece enclose a triangular frame structure.
Compared with the prior art, the beneficial effects of this application are:
according to the semi-automatic ultrasonic guided radial artery puncture tube placing device, the forearm of a patient is fixed through the first fixing piece, so that the arm of the patient can keep the posture required by the radial artery puncture technology; the second fixing piece is used for fixing the ultrasonic probe so that the ultrasonic probe can rotate to meet the operation requirement of the radial artery puncture tube-placing technology; the supporting piece is used for fixing the puncture needle, so that the feeding angle of the puncture needle is fixed, and the operation difficulty of doctors is reduced; the supporting piece is connected with the ultrasonic probe, so that the supporting piece can drive the puncture needle and the ultrasonic probe to synchronously rotate, and the phenomenon that the needle head of the puncture needle is removed from a scanning image due to fine adjustment of the ultrasonic probe is avoided; the needle head of the puncture needle is arranged at the edge of the detection part, so that the needle head can be penetrated into the skin of a patient along the edge of the detection part, the puncture operation difficulty is reduced, and the puncture success rate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a semi-automatic ultrasonic guided radial artery puncture catheter device according to an embodiment of the present application;
fig. 2 is a schematic structural view of a first fixing element in a semi-automatic ultrasonic guided radial artery puncture catheterization device according to an embodiment of the present application;
fig. 3 is a schematic structural view of a vertical column and a supporting plate in a semi-automatic ultrasonic guided radial artery puncture catheterization device according to an embodiment of the present application;
fig. 4 is a schematic structural view of a rotating shaft and a locking rod in a semi-automatic ultrasonic guided radial artery puncture catheterization device according to an embodiment of the present application;
fig. 5 is a schematic structural view of a support member in a semi-automatic ultrasonic guided radial artery puncture catheterization device according to an embodiment of the present application.
Reference numerals:
10-an ultrasonic probe; 11-a detection unit; 21-a first fixing member; 201-a first fixation chamber; 202-a second fixation chamber; 211-a limiting part; 212-a grip; 2122-pits; 213-a hold-down; 22-a second fixing member; 221-stand columns; 222-supporting the plate; 2221-rotation hole; 223-spindle; 2231-a grip; 2232-opening; 224-locking lever; 225-reinforcements; 30-a support; 31-scale value; 32-clamping part; 321-a first claw; 322-second jaw; 33-limiting cavity.
Detailed Description
The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, apparatus, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatuses, and/or systems described herein will be apparent after an understanding of the present disclosure. For example, the order of operations described herein is merely an example, and is not limited to the order set forth herein, but rather, obvious variations may be made upon an understanding of the present disclosure, other than operations that must occur in a specific order. In addition, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.
The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided solely to illustrate some of the many possible ways of implementing the methods, devices, and/or systems described herein that will be apparent after a review of the disclosure of the present application.
In the entire specification, when an element (such as a layer, region or substrate) is described as being "on", "connected to", "bonded to", "over" or "covering" another element, it may be directly "on", "connected to", "bonded to", "over" or "covering" another element or there may be one or more other elements interposed therebetween. In contrast, when an element is referred to as being "directly on," directly connected to, "or" directly coupled to, "another element, directly on," or "directly covering" the other element, there may be no other element intervening therebetween.
As used herein, the term "and/or" includes any one of the listed items of interest and any combination of any two or more.
Although terms such as "first," "second," and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first member, component, region, layer or section discussed in examples described herein could also be termed a second member, component, region, layer or section without departing from the teachings of the examples.
For ease of description, spatially relative terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to another element would then be oriented "below" or "lower" relative to the other element.
Thus, the term "above … …" includes both orientations "above … …" and "below … …" depending on the spatial orientation of the device. The device may also be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. Singular forms also are intended to include plural forms unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" are intended to specify the presence of stated features, integers, operations, elements, and/or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, and/or groups thereof.
Variations from the shapes of the illustrations as a result, of manufacturing techniques and/or tolerances, are to be expected. Accordingly, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shapes that occur during manufacture.
The features of the examples described herein may be combined in various ways that will be apparent after an understanding of the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible as will be apparent after an understanding of the present disclosure.
A semi-automatic ultrasound guided radial artery puncture catheterization device according to some embodiments of the present application includes an ultrasound probe 10, a fixation assembly, and a support 30.
In the present embodiment, referring to fig. 1, the ultrasonic probe 10 has a detection portion 11 that can be attached to the skin of a patient, and the detection portion 11 is planar, so that the detection portion 11, the skin of the patient, and the basal area can be lifted.
In the present embodiment, referring to fig. 1 to 4, the fixing assembly includes a first fixing piece 21 and a second fixing piece 22 connected to each other; wherein the first fixing member 21 is used for fixing the forearm of the patient, and the second fixing member 22 is used for fixing the ultrasonic probe 10, in particular, the first fixing member 21 can fix the forearm of the patient and ensure that the inner side of the forearm of the patient is arranged upwards; the second fixture 22 is disposed above the first fixture 21 so that the ultrasound probe 10 can face the forearm of the patient; the ultrasonic probe 10 is rotatably connected to the second mount 22.
Further, in the present embodiment, as shown in fig. 1 and 2, the first fixing member 21 is formed in a strip-shaped annular structure, and a stopper 211 is provided on the first fixing member 21 to divide the ring of the first fixing member 21 into a first fixing chamber 201 and a second fixing chamber 202, the first fixing chamber 201 and the second fixing chamber 202 being juxtaposed in the longitudinal direction of the first fixing member 21. The first fixing member 21 fixes the forearm of the patient in such a manner that: after the inner side of the forearm of the patient faces upwards and passes through the second fixing cavity 202 from the lower side of the first fixing piece 21, the hand of the patient passes through the first fixing cavity 201 from the upper side of the first fixing piece 21, and the limiting part 211 is abutted with the wrist of the patient so as to prop up the wrist of the patient until the wrist of the patient can be attached to the detecting part 11, so that the wrist posture of the patient is ensured to be required by the radial artery puncture technology.
In the present embodiment, there is a certain gap between the two sides of the arm of the patient in the width direction and the first fixing member 21, so that the arm of the patient can slightly move inside the first fixing member 21 to ensure that the detecting portion 11 can accurately detect the required position of the puncture.
In the present embodiment, as shown in fig. 1 and 2, the stopper 211 is formed in a bar-shaped structure, and both ends in the length direction of the stopper 211 are respectively connected to both side walls of the first fixing member 21 opposite to each other to divide the inside of the first fixing member 21 into a first fixing chamber 201 and a second fixing chamber 202 arranged side by side in the length direction of the first fixing member 21. In the preferred embodiment, the outer wall cladding of spacing portion 211 has soft material, promotes patient's comfort level so, and soft material can be the soft cover of materials such as sponge, silica gel, and soft cover and spacing portion 211 can dismantle and be connected, so be convenient for change, can change the soft cover of different thickness to further guarantee that spacing portion 211 props up patient's wrist highly satisfies radial artery puncture technical requirement.
In a preferred embodiment, referring to fig. 1 and 2, the limiting part 211 can slide along the length direction of the first fixing member 21 to adjust the ratio of the first fixing chamber 201 to the second fixing chamber 202, i.e., when the area within the ring of the first fixing member 21 due to the ring-shaped structure is fixed, the limiting part 211 slides along the length direction of the first fixing member 21 to increase the area of the first fixing chamber 201 while relatively decreasing the area of the second fixing chamber 202, or to decrease the area of the first fixing chamber 201 while relatively increasing the area of the second fixing chamber 202, so as to meet the patient needs of different sizes. In the embodiment, the side walls of the two opposite first fixing members 21 connected to the two ends of the limiting portion 211 in the length direction are arranged in parallel to each other, so that the sliding smoothness of the limiting portion 211 along the length direction of the first fixing member 21 is ensured, and the adjustment is convenient.
In this embodiment, the extending direction of the limiting portion 211 is perpendicular to the length direction of the forearm of the patient, so that the limiting portion 211 can be disposed right below the wrist of the patient, so that the patient can maintain the posture required by the radial artery puncture technology, and the success rate of arterial puncture is improved.
Further, in the present embodiment, as shown in fig. 1 and 2, the portion of the first fixing member 21 in the length direction is formed in a telescopic structure, so that the dimension of the first fixing member 21 in the length direction is adjustable, that is, the portion of the first fixing member 21 connected to both ends of the stopper 211 in the length direction and disposed parallel to each other is formed in a telescopic structure, and the telescopic structure may be a telescopic rod that is sleeved with each other.
In the present embodiment, the portion of the first fixing member 21 in the length direction has elasticity, and the elastic portion has a large elastic coefficient, so that the first fixing member 21 can generate a slight bending deformation when being fixed to the forearm of the patient, and thus, while ensuring that the first fixing member 21 can be fixed to the forearm of the patient reliably, protection can also be formed for the patient, so as to avoid the first fixing member 21 being too hard to cause muscle or even bone injury of the patient.
In this embodiment, referring to fig. 1 and 2, the side wall of the first fixing member 21 is provided with a holding portion 212, and the holding portion 212 is disposed on one side of the first fixing member 21 away from the second fixing chamber 202, so that after the hand of the patient passes through the first fixing member 21, the finger of the patient bends upward from the lower direction of the first fixing member 21 and covers at least part of the holding portion 212, so that the patient holds the holding portion 212 to facilitate the patient to maintain the required posture of the radial artery puncture technique, and the forearm of the patient is ensured to be fixed reliably after the hand holds the holding portion 212. In an embodiment, the outer wall of the grip 212 is coated with a soft material, which improves patient comfort and avoids patient injury.
Further, in the present embodiment, as shown in fig. 1 and 2, a plurality of pits 2122 are formed on a side of the holding portion 212 facing away from the first fixing cavity 201, and the pits 2122 are disposed at intervals along the length direction of the holding portion 212, and the fingers of the patient are embedded in at least part of the pits 2122, so that the structure of the holding portion 212 conforms to the ergonomics, and the reliability of fixing the forearm of the patient by the first fixing member 21 can be ensured. The number of depressions 2122 is at least four and corresponds one-to-one with the remaining fingers of the patient except for the thumb.
It should be noted that in the preferred embodiment, the number of the depressions 2122 is more than four, and the size of the holding portion 212 in the width direction is increased, so that the finger of the patient can select an appropriate position of the depression 2122 after the arm of the patient is ensured to have an appropriate posture.
Further, in the present embodiment, referring to fig. 1 and 2, the side wall of the first fixing member 21 is provided with a pressing portion 213, and the pressing portion 213 is disposed on a side of the first fixing member 21 away from the first fixing chamber 201, for pressing down the forearm of the patient, so as to help the wrist of the patient maintain the supported posture, and in the embodiment, the outer wall of the pressing portion 213 is sleeved with a soft material, so as to avoid the pressing portion 213 from pressing the patient. In the present embodiment, the pressing portion 213 is formed in a semi-annular structure, and the opening 2232 of the semi-annular structure is disposed toward the grip portion 212.
In this embodiment, referring to fig. 1 and 2, the second fixing member 22 is slidably connected with the first fixing member 21, so that the second fixing member 22 can move along the side wall of the second fixing cavity 202 in a direction approaching or separating from the limiting portion 211, so that the position of the detecting portion 11 can be adjusted, and the ultrasonic probe 10 can slide along the length direction of the forearm of the patient, thereby ensuring that the detection range of the ultrasonic probe 10 meets the requirement of radial artery puncture.
Specifically, in the present embodiment, the bottom of the second fixing member 22 is formed in an annular sleeve structure that is sleeved on the outer wall of the first fixing member 21, so that the second fixing member 22 can move along the length direction of the first fixing member 21. It should be noted that the second fixing member 22 does not move above the first fixing chamber 201.
Further, in the present embodiment, referring to fig. 1, 3 and 4, the second fixing member 22 includes a column 221, a support plate 222, a rotation shaft 223 and a locking lever 224; specifically, the upright post 221 is formed in a rod-shaped structure extending in the vertical direction, the upright post 221 is provided with two and is respectively located at both sides of the forearm of the patient, the support plate 222 is horizontally disposed and is connected with the upright post 221, and the support plate 222 is preferably installed at the top of the upright post 221 so that the upright post 221 can prop up the support plate 222 to a certain height.
In a preferred embodiment, referring to fig. 1, 3 and 4, the upright 221 is bent into an L-shaped structure, the L-shaped structure is inverted, and a horizontally disposed portion of the L-shaped structure extends toward a direction facing the patient's hand, and the horizontally disposed portion is connected with the support plate 222. Further, in the present embodiment, the bottom of the pillar 221 is formed in a Y-shaped structure such that the pillar 221 and the first fixing member 21 enclose a triangular frame structure, thus ensuring reliable connection of the first fixing member 21 and the second fixing member 22, and supporting strength of the pillar 221.
In the present embodiment, the bending portion of the L-shaped structure is provided with a reinforcing portion 225, and the reinforcing portion 225 is disposed at the bottom of the supporting plate 222 to enhance the supporting strength of the supporting plate 222. The reinforcement portion 225 is formed in a rod-shaped structure such that the reinforcement portion 225 encloses a triangle with the bent portion of the L-shaped structure, and the rod-shaped structure also has a weight reduction effect.
In this embodiment, referring to fig. 1, 3 and 4, the supporting plate 222 is formed with a rotation hole 2221 penetrating through the main body thereof, the rotation shaft 223 extends into the rotation hole 2221, so that the rotation shaft 223 is rotationally connected with the rotation hole 2221, a protruding positioning block is formed on a side wall of one end of the rotation shaft 223 opposite to the ultrasonic probe 10, the positioning block can be arranged on a side wall of the top of the rotation shaft 223, so as to prevent the rotation shaft 223 from falling off the ultrasonic probe 10, an adjusting part protruding upwards is formed on the top of the rotation hole 2221, the positioning block is abutted against the adjusting part, and the adjusting part can reciprocate along the vertical direction to adjust the distance between the positioning block and the supporting plate 222, thereby realizing the adjustment of the position of the ultrasonic probe 10. In an embodiment, the adjustment portion may be a nut in a screw structure.
Further, in the present embodiment, as shown in fig. 1, 3 and 4, the end of the rotation shaft 223 facing the ultrasonic probe 10 is provided with a grip 2231, the grip 2231 has an opening 2232 provided toward the ultrasonic probe 10, and the ultrasonic probe 10 is fixed in the opening 2232. To ensure that the ultrasonic probe 10 is clamped, the locking lever 224 penetrates the side wall of the clamping portion 2231 and is movable in a direction extending into or out of the opening 2232, so that when the top of the ultrasonic probe 10 extends into the opening 2232, the end of the locking lever 224 is movable into abutment with the side wall of the ultrasonic probe 10, so that the ultrasonic probe 10 is clamped between the locking lever 224 and the clamping portion 2231. In this embodiment, the side wall of the clamping portion 2231 is provided with a threaded hole, the outer wall of the locking rod 224 is provided with an external thread, and the locking rod 224 is screwed to be abutted against the side wall of the ultrasonic probe 10, so as to ensure that the clamping portion 2231 clamps the ultrasonic probe 10, and ensure that the ultrasonic probe 10 can rotate relative to the supporting plate 222 under the action of the rotating shaft 223.
In the present embodiment, referring to fig. 1 and 5, a supporting member 30 is disposed at an angle to the detecting portion 11, the supporting member 30 being for fixing the puncture needle; the supporting member 30 is connected with the ultrasonic probe 10, so that the supporting member 30 can drive the puncture needle to rotate synchronously with the ultrasonic probe 10, thereby avoiding the situation that the needle head of the puncture needle is removed from the scanned image due to the fine adjustment of the ultrasonic probe 10. The needle head of the puncture needle is arranged at the edge of the detection part 11, so that the needle head can puncture the skin of a patient along the edge of the detection part 11, the puncture success rate is improved, and the operation difficulty of a doctor is reduced.
Further, in the present embodiment, as shown in fig. 1 and 5, the support 30 is formed in a plate-like structure, the support 30 and the plane of the detection portion 11 and the rotation axis 223 of the ultrasonic probe 10 enclose a triangle, the top of the support 30 is formed with a clamping portion 32 extending toward the ultrasonic probe 10, specifically, one end of the clamping portion 32 near the ultrasonic probe 10 is formed as a first claw 321, and the first claw 321 is clamped on the side wall of the ultrasonic probe 10 to ensure that the support 30 and the ultrasonic probe 10 move synchronously. The first jaw 321 is capable of reciprocating in a vertical direction on a sidewall of the ultrasonic probe 10, thus adjusting a distance between the support 30 and the patient. The first clamping jaw is provided with elasticity, so that the clamping range of the first clamping jaw is adjustable, the first clamping jaw can clamp ultrasonic probes 10 of different types and specifications, and the radial artery puncture requirement is guaranteed.
More specifically, in the present embodiment, as shown in fig. 1 and 5, the side of the support 30 facing the patient's skin is formed in a planar structure disposed in parallel with the detection portion 11, the first claw 321 is capable of reciprocating along the height direction of the ultrasonic probe 10, so that the tip of the needle is coplanar with the planar structure of the side of the support 30 facing the patient's skin, and in the case where the side of the support 30 facing the patient's skin is coplanar with the detection portion 11, the reliability with which the needle can penetrate the patient's skin along the edge of the detection portion 11 can be ensured.
In this embodiment, the semi-automatic ultrasound guided radial artery puncture catheterization device further includes a detecting member for detecting that the detecting portion, a side of the supporting member 30 facing the skin of the patient and the tip of the needle are located on the same plane, and the detecting member may be mounted on the second fixing member 22. In this embodiment, the detecting member is a photoelectric switch.
In addition, in the present embodiment, as shown in fig. 1 and 5, one end of the clamping portion 32 away from the ultrasonic probe 10 is formed into a second claw 322, the second claw 322 and the supporting member 30 enclose a limiting cavity 33, the puncture needle is disposed in the limiting cavity 33, and the puncture needle can move along the supporting member 30 toward a direction close to the ultrasonic probe 10, so that the needle head keeps a fixed angle and penetrates the skin of the patient along the edge of the detecting portion 11, thus improving the success rate of puncture and reducing the operation difficulty of doctors.
In the preferred embodiment, the inner wall of the spacing cavity 33 is provided with a friction part, so that the friction force between the spacing cavity 33 and the side wall of the puncture needle is increased, the puncture needle is ensured not to fall off automatically in the spacing cavity 33, and meanwhile, a doctor can push the puncture needle conveniently to realize needle insertion, and the friction part can be formed into a plurality of particle structures distributed on the inner wall of the spacing cavity 33 so as to avoid the labor-consuming needle insertion of the doctor caused by overlarge friction force.
In this embodiment, the detecting portion 11 is attached to the skin surface of the patient, the ultrasonic probe 10 can measure that the distance between the skin of the patient and the blood vessel to be pierced by the needle is a (i.e., the distance between the skin of the patient and the blood vessel at the target position is a), the angle between the supporting member 30 and the plane of the detecting portion 11 is 30 °, and since the supporting member 30, the detecting portion 11 and the ultrasonic probe 10 form a triangle, the needle insertion distance of the needle along the supporting member 30 moving toward the direction approaching the ultrasonic probe 10 is 2a; the side of the support 30 is provided with a scale 31, the scale 31 being used to show the needle insertion distance of the puncture needle, thus ensuring that the doctor controls the needle insertion distance accurately.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The utility model provides a radial artery puncture catheterization device under semi-automatic ultrasonic guidance which characterized in that, radial artery puncture catheterization device under semi-automatic ultrasonic guidance includes:
an ultrasonic probe having a detection unit capable of being attached to the skin of a patient;
a fixing assembly including a first fixing member and a second fixing member connected to each other; the first fixing piece is used for fixing the forearm of the patient, so that the inner side of the forearm of the patient faces upwards; the second fixing piece is arranged above the first fixing piece; the ultrasonic probe is rotationally connected with the second fixing piece;
the supporting piece is arranged at an angle with the detection part and is used for fixing the puncture needle; the supporting piece is connected with the ultrasonic probe, so that the supporting piece can drive the puncture needle and the ultrasonic probe to synchronously rotate; the needle of the puncture needle is disposed at the edge of the detection portion such that the needle can penetrate the skin of the patient along the edge of the detection portion.
2. The semiautomatic ultrasonic guided radial artery puncture catheterization device according to claim 1, wherein the supporting member is formed in a plate-shaped structure, a clamping part extending towards the ultrasonic probe is formed at the top of the supporting member, one end of the clamping part, which is close to the ultrasonic probe, is formed into a first claw, and the first claw is clamped on the side wall of the ultrasonic probe; the clamping portion is far away from the one end of ultrasonic probe forms to the second jack catch, the second jack catch with support piece encloses into spacing chamber, the pjncture needle set up in the inside in spacing chamber, the pjncture needle can be followed support piece orientation is close to ultrasonic probe's direction motion makes the syringe needle keeps the angle pierces patient's skin.
3. The semiautomatic ultrasonic guided radial artery puncture catheterization device according to claim 2, wherein the ultrasonic probe is capable of measuring a distance a between the affected skin and a puncture blood vessel required by the needle, the angle is 30 °, and a needle insertion distance of the puncture needle along the support member moving toward a direction approaching the ultrasonic probe is 2a;
the side of the support is provided with scale values for showing the needle insertion distance of the puncture needle.
4. The semiautomatic ultrasonic-guided radial artery puncture catheterization device as recited in claim 2, wherein a side of the support facing the skin of the patient is formed in a planar structure disposed in parallel with the detection portion, and the first jaw is reciprocally movable along a height direction of the ultrasonic probe such that a side of the support facing the skin of the patient is coplanar with the detection portion.
5. The semiautomatic ultrasonic guided radial artery puncture catheter device according to claim 1, wherein the first fixing member is formed in a strip-shaped annular structure, a limiting portion is disposed on the first fixing member to divide the annular space of the first fixing member into a first fixing cavity and a second fixing cavity, the inner side of the forearm of the patient faces upward and passes through the second fixing cavity from the lower side of the first fixing member, the hand of the patient passes through the first fixing cavity from the upper side of the first fixing member, and the limiting portion abuts against the wrist of the patient to prop up the wrist of the patient to fit with the detecting portion.
6. The semi-automatic ultrasound guided radial artery puncture catheterization device of claim 5, wherein the limit portion is slidable along a length direction of the first fixation member to adjust a ratio of the first fixation cavity to the second fixation cavity;
the part of the first fixing piece in the length direction is formed into a telescopic structure, so that the size of the first fixing piece in the length direction can be adjusted.
7. The semiautomatic ultrasonic guided radial artery puncture catheterization device according to claim 5, wherein a holding part is arranged on the side wall of the first fixing member, and the holding part is arranged on one side of the first fixing member away from the second fixing cavity; after the hand of the patient passes through the first fixing piece, the finger of the patient bends upwards from the lower direction of the first fixing piece and covers at least part of the holding part;
a plurality of pits are formed on one side of the holding part, which is away from the first fixing cavity, and are arranged at intervals along the length direction of the holding part, and the fingers of a patient are embedded in at least part of the pits;
the lateral wall of first mounting is provided with the portion of pushing down, the portion of pushing down sets up first mounting is kept away from one side of first fixed chamber for push down patient's forearm.
8. The semi-automatic ultrasound guided radial artery puncture catheterization device of claim 5, wherein the second securing member is slidably coupled to the first securing member such that the second securing member is movable along a sidewall of the second securing chamber in a direction toward or away from the spacing portion.
9. The semi-automatic ultrasound guided radial artery puncture catheterization device of claim 1, wherein the second fixture comprises:
the stand columns are formed into a rod-shaped structure extending along the vertical direction, and the stand columns are provided with two stand columns and are respectively positioned at two sides of the forearm of the patient;
the support plate is horizontally arranged and connected with the upright post, and a rotating hole penetrating through the main body of the support plate is formed in the support plate;
the rotating shaft extends into the rotating hole, so that the rotating shaft is rotationally connected with the rotating hole; a clamping part is arranged at one end of the rotating shaft, which faces the ultrasonic probe, and is provided with an opening which faces the ultrasonic probe;
the locking rod penetrates through the side wall of the clamping part and can move along the direction of extending into or out of the opening; the top of the ultrasonic probe stretches into the opening, and the end part of the locking rod is abutted with the side wall of the ultrasonic probe, so that the ultrasonic probe is clamped between the locking rod and the clamping part.
10. The semi-automatic ultrasound guided radial artery puncture catheterization device of claim 9, wherein the upright is bent into an L-shaped structure, a horizontally disposed portion of the L-shaped structure extending toward the patient's hand and being connected to the support plate; the bending part of the L-shaped structure is provided with a reinforcing part;
the bottom of the upright post is formed into a Y-shaped structure, so that the upright post and the first fixing piece enclose a triangular frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311060196.9A CN117338381A (en) | 2023-08-22 | 2023-08-22 | Semi-automatic ultrasonic guided radial artery puncture tube-placing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311060196.9A CN117338381A (en) | 2023-08-22 | 2023-08-22 | Semi-automatic ultrasonic guided radial artery puncture tube-placing device |
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| CN117338381A true CN117338381A (en) | 2024-01-05 |
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| CN202311060196.9A Pending CN117338381A (en) | 2023-08-22 | 2023-08-22 | Semi-automatic ultrasonic guided radial artery puncture tube-placing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117808804A (en) * | 2024-02-29 | 2024-04-02 | 中国医学科学院北京协和医院 | Automatic measuring method for radial artery anterior wall depth in ultrasonic image and storage medium |
| CN118141487A (en) * | 2024-05-09 | 2024-06-07 | 成都中医药大学 | Out-of-plane ultrasonic puncture device |
-
2023
- 2023-08-22 CN CN202311060196.9A patent/CN117338381A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117808804A (en) * | 2024-02-29 | 2024-04-02 | 中国医学科学院北京协和医院 | Automatic measuring method for radial artery anterior wall depth in ultrasonic image and storage medium |
| CN117808804B (en) * | 2024-02-29 | 2024-06-07 | 中国医学科学院北京协和医院 | Automatic measuring method for radial artery anterior wall depth in ultrasonic image and storage medium |
| CN118141487A (en) * | 2024-05-09 | 2024-06-07 | 成都中医药大学 | Out-of-plane ultrasonic puncture device |
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