CN213821427U

CN213821427U - Automatic artery puncture device

Info

Publication number: CN213821427U
Application number: CN202022278515.1U
Authority: CN
Inventors: 唐晶; 江巧琳; 刘梅
Original assignee: Peoples Hospital of Deyang City
Current assignee: Peoples Hospital of Deyang City
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-30
Anticipated expiration: 2030-10-13

Abstract

The utility model relates to the technical field of medical auxiliary equipment, and provides an automatic artery puncture outfit, which comprises a needle head, a needle cylinder and a push-pull rod, wherein the side wall of the bottom of the needle cylinder is symmetrically provided with a plurality of through holes, each through hole is provided with a blocking piece, each blocking piece comprises a sealing part and a push rod, each sealing part and each through hole are connected in a sliding sealing way, and the end parts of the plurality of sealing parts can be mutually matched and sealed; under the drive of push rod, the through-hole can be followed to the sealing and slides, the utility model discloses can seal blood under the prerequisite of not extracting the blood taking needle and handle, avoid with oxygen direct contact.

Description

Automatic artery puncture device

Technical Field

The utility model relates to a medical treatment auxiliary assembly technical field particularly, relates to an automatic artery puncture ware.

Background

Arterial blood gas analysis is an important laboratory test for evaluating the oxygenation, ventilation and acid-base status of patients. The pulmonary function and the body fluid acid-base equilibrium state of a patient can be known through arterial blood gas analysis, and the pulmonary function and the body fluid acid-base equilibrium state can be used as one of important bases for mechanical ventilation parameter adjustment, curative effect analysis and prognosis judgment. With the development of medical technology, arterial blood gas analysis is widely applied clinically.

Accurate arterial blood gas analysis results are of great importance to the diagnosis of respiratory failure and acid-base imbalance, and qualified arterial blood samples are the premise for ensuring the accuracy of the blood gas analysis results. Blood gas analysis generally adopts a whole blood sample, and requires that the sample is correctly collected, isolated from air and timely sent for inspection, and the sample has no clot, hemolysis and the like. Researches show that the causes of sample disqualification in blood and gas analysis mainly comprise blood coagulation, venous blood mixing, sample hemolysis, small sample amount, overlong inspection time and the like, wherein the sample coagulation is one of the main causes of sample disqualification and accounts for about 20-30% of the disqualified samples.

The existing blood taking needle is inserted into the rubber plug after blood taking, blood is blocked by the rubber plug to flow out, then the blood is sent to an arterial blood gas analysis instrument for analysis, but the blood taking needle is pulled out of a human body and then inserted into the rubber plug, so that medical personnel are required to act quickly, contact with oxygen is avoided, contact with air is unavoidable, needle stick injury is easy to occur, and secondary infection is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic artery puncture ware can seal the processing to blood under the prerequisite of not extracting the blood taking needle, has avoided with oxygen direct contact.

The embodiment of the utility model discloses a realize through following technical scheme: an automatic artery puncture outfit comprises a needle head, a needle cylinder and a push-pull rod, wherein the side wall of the bottom of the needle cylinder is symmetrically provided with a plurality of through holes, each through hole is provided with a blocking piece, each blocking piece comprises a sealing part and a push rod, each sealing part is connected with each through hole in a sliding and sealing manner, and the end parts of the plurality of sealing parts can be mutually matched and sealed; the sealing part can slide along the through hole under the driving of the push rod.

Furthermore, the device also comprises a movable sleeve sleeved on the needle cylinder, the movable sleeve slides along the axis direction of the needle cylinder, the bottom of the movable sleeve is provided with a resisting part, the end part of the push rod is provided with a matching surface, and the resisting part pushes the blocking part to the inside of the needle cylinder through the matching surface to seal the needle cylinder.

Furthermore, a heat-insulating layer is arranged inside the movable sleeve.

Furthermore, the heat-insulating layer is made of phase-change materials.

Furthermore, a static artery identification device is further arranged, the static artery identification device is detachably connected to the movable sleeve, and the static artery identification device is used for assisting in identifying the static artery.

Furthermore, the static artery and artery identification device is an ultrasonic probe, a display device is further arranged on the movable sleeve, the ultrasonic probe is in communication connection with the display device, and the display device displays the identification result according to the ultrasonic probe.

Furthermore, the display device comprises a plurality of groups of led gradual-change lamps, and the plurality of groups of led gradual-change lamps work one by one according to the identification result of the ultrasonic probe.

Furthermore, the static artery and artery recognition device is a blood vessel detector, the blood vessel detector is detachably connected with the movable sleeve, and the blood vessel detector comprises a Veinlite blood vessel detector, Illumivin blood vessel visualization equipment, a Venoscope II vein transilluminator and a Philips Wee Sight transmission instrument.

Further, the detachable connection mode comprises: a hidden buckle connection, a magnetic adsorption connection and a threaded connection.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

1: through setting up a plurality of parts of blockking, just sealing process to it at not pulling out the blood taking needle, avoided blood and oxygen direct contact.

2: after the needle cylinder is sealed by the plurality of blocking parts, the needle head can be directly pulled out, the needle stick injury event is avoided, and the possibility of secondary infection is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an automatic arteriopuncture device provided by the present invention;

fig. 2 is a schematic structural view of an automatic arteriopuncture device provided by the present invention;

icon: 10-needle head, 20-needle cylinder, 30-push-pull rod, 40-blocking piece, 41-sealing part, 42-push rod, 50-movable sleeve, 51-heat preservation layer, 52-display device, 53-blood vessel detector, 54-ultrasonic probe, 55-protective sleeve and 56-blocking part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

1-2, the automatic artery puncture outfit comprises a needle head 10, a needle cylinder 20 and a push-pull rod 30, wherein the side wall of the bottom of the needle cylinder 20 is symmetrically provided with two through holes, each through hole is provided with a blocking part 40, the blocking part 40 comprises a sealing part 41 and a push rod 42, each sealing part 41 is connected with each through hole in a sliding and sealing way, and the end parts of the two sealing parts 41 can be mutually matched and sealed; the sealing portion 41 can slide along the through hole under the driving of the push rod 42, and it should be noted that the specific structures of the sealing portion 41 and the push rod 42 are not limited as long as the functional requirements are met.

The working process of the structure is as follows: firstly, the push rod 42 is opened to open the two blocking parts 40, so that the needle cylinder 20 is communicated for blood sampling; after the blood sampling is finished, the two sealing parts 41 are mutually pushed tightly by the push rod 42 to seal the bottom of the needle cylinder 20, the collected blood is sealed by the blocking part 40, the push-pull rod 30 and the needle cylinder 20 at the moment, then the blood sampling needle is pulled out, the needle head 10 is removed, and the needle cylinder 20 is conveyed to a pulse blood gas analyzer for analysis; the whole process is sealed without pulling out the blood taking needle by arranging the plurality of blocking pieces 40, so that the direct contact of blood and oxygen is avoided. After the barrel 20 is sealed by the plurality of barrier members 40, the needle 10 can be directly removed to avoid needle stick injuries and reduce the possibility of secondary infection, and it should be noted that a protective cover 55 can be connected to the barrel 20 to protect the barrel 20 after the needle 10 is removed.

In some embodiments, the medical device further comprises a movable sleeve 50 sleeved on the needle cylinder 20, the movable sleeve 50 slides along the axial direction of the needle cylinder 20, a resisting part 56 is arranged at the bottom of the movable sleeve 50, a matching surface is arranged at the end part of the push rod 42, the resisting part 56 pushes the blocking part 40 to the inside of the needle cylinder 20 through the matching surface, so that the needle cylinder is sealed, the end part of the specific resisting part 56 is spherical, the spherical end part is pushed to the inside of the needle cylinder 20 through the resisting part 56, so that the sealing part 41 seals the needle cylinder 20, at this time, the medical staff can operate the medical staff with one hand, and the movable sleeve 50 is a circular ring, so that no matter how many sealing parts 41 can be pushed together, the operation is convenient and fast; it should be noted that, in the opening of the sealing portion 41, a pull rope may be provided at an end of the push rod 42 to facilitate pulling out and opening the sealing portion 41, and of course, the specific form is not limited, and a conventional structure may be adopted.

In some embodiments, the inner portion of the movable sleeve 50 is further provided with an insulating layer 51, and in particular, the form of the insulating layer 51 is not limited, such as: the heat preservation layer 51 is made of phase-change materials, heat preservation in a short time is achieved through change of the phase-change materials, condensation of collected blood is avoided, the phase-change materials can be set up in the prior art, the heat preservation layer 51 made of metal can be additionally adopted, the heat preservation layer 51 made of metal is heated by a hot towel before the blood taking needle is used, and then heat preservation is conducted on the needle cylinder 20 through short-term heat dissipation of the metal.

In some embodiments, a static artery identification device is further provided, the static artery identification device is detachably connected to the movable sleeve 50, and the static artery identification device is used for assisting in identifying the static artery, so that the phenomenon that medical staff identify the artery incorrectly due to insufficient experience is reduced; specifically, the resting artery identification device is an ultrasonic probe 54, the movable sleeve 50 is further provided with a display device 52, the ultrasonic probe 54 is in communication connection with the display device 52, the display device 52 displays according to an identification result of the ultrasonic probe 54, the display device 52 is in a specific display mode that the display device 52 is a plurality of groups of led gradual-change lamps, the groups of led gradual-change lamps work one by one according to the identification result of the ultrasonic probe 54, for example, when the arterial blood vessel is detected to be deep, the led lamps display red, when the arterial blood vessel is detected to be shallow, the led lamps display green, and medical staff judge whether puncture blood collection can be performed or not according to the display color of the led lamps; it should be understood that the display mode of the display device 52 is not limited thereto, and a display method of numerical values or images may be adopted, and the explanation is not repeated, and the structures not described in detail in the embodiment are all available on the market or can be made by those skilled in the art.

In some embodiments, the quiet artery identification device is a vessel probe 53, the vessel probe 53 is removably coupled to the active sheath 50, the vessel probe 53 includes, but is not limited to, a Veinlite vessel probe 53, an illumivin vessel visualization device, a Venoscope II veno-transilluminator, and a philips Wee Sight transilluminator; the operation of the blood taking needle is assisted by the instrument, and specific detachable connection modes include but are not limited to: a hidden buckle connection, a magnetic adsorption connection and a threaded connection.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic artery puncture ware, includes syringe needle, cylinder and push-and-pull rod, its characterized in that: the side wall of the bottom of the needle cylinder is symmetrically provided with a plurality of through holes, each through hole is provided with a blocking piece, each blocking piece comprises a sealing part and a push rod, each sealing part is connected with each through hole in a sliding and sealing mode, and the end parts of the sealing parts can be mutually matched and sealed; the sealing part can slide along the through hole under the driving of the push rod.

2. The automatic arteriopuncture device of claim 1 further comprising a movable sleeve covering said needle cylinder, wherein said movable sleeve slides along the axial direction of said needle cylinder, the bottom of said movable sleeve is provided with a retaining part, the end of said push rod is provided with a fitting surface, and said retaining part pushes said retaining part toward the inside of said needle cylinder by abutting against said fitting surface, so that said needle cylinder is sealed.

3. The automatic arteriopuncture device of claim 2, wherein said movable sleeve is further provided with an insulating layer inside.

4. The automatic arteriopuncture device of claim 3, wherein said heat insulating layer is made of a phase-change material.

5. The automatic arteriopuncture device of claim 2 further comprising an arteriovenous identification device, said arteriovenous identification device being detachably connected to said movable sleeve, said arteriovenous identification device being adapted to assist in identifying an arteriovenous.

6. The automatic arteriopuncture device of claim 5, wherein said arteriovenous identification means is an ultrasonic probe, and said movable sleeve is further provided with a display means, said ultrasonic probe is in communication with said display means, and said display means displays an identification result of said ultrasonic probe.

7. The automatic arteriopuncture device of claim 6, wherein said display means comprises a plurality of sets of led strobe lights, said plurality of sets of led strobe lights being operated one by one in accordance with the result of the identification by said ultrasonic probe.

8. The automated arterial puncture device according to claim 5, wherein the arteriovenous recognition device is a blood vessel detector removably connected to the movable sleeve, the blood vessel detector comprising a Veinlite blood vessel detector, an illumivin blood vessel visualization device, a venospace II venous transilluminator, and a philips Wee Sight transilluminator.

9. The automated arteriopuncture device of claim 8, wherein said detachable connection means comprises: a hidden buckle connection, a magnetic adsorption connection and a threaded connection.