CN113331923A - Bone channel infusion device - Google Patents
Bone channel infusion device Download PDFInfo
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- CN113331923A CN113331923A CN202110430670.7A CN202110430670A CN113331923A CN 113331923 A CN113331923 A CN 113331923A CN 202110430670 A CN202110430670 A CN 202110430670A CN 113331923 A CN113331923 A CN 113331923A
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- puncture
- rotating body
- cylindrical rotating
- pawl
- infusion device
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 60
- 238000001802 infusion Methods 0.000 title claims abstract description 59
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 77
- 229920000742 Cotton Polymers 0.000 claims abstract description 60
- 230000001954 sterilising effect Effects 0.000 claims abstract description 22
- 230000000249 desinfective effect Effects 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 description 20
- 230000007246 mechanism Effects 0.000 description 19
- 230000000670 limiting effect Effects 0.000 description 18
- 230000005540 biological transmission Effects 0.000 description 15
- 238000007789 sealing Methods 0.000 description 11
- 230000002421 anti-septic effect Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 210000001185 bone marrow Anatomy 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 208000028399 Critical Illness Diseases 0.000 description 2
- 238000001467 acupuncture Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 206010063045 Effusion Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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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
- A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M35/00—Devices for applying media, e.g. remedies, on the human body
- A61M35/003—Portable hand-held applicators having means for dispensing or spreading integral media
- A61M35/006—Portable hand-held applicators having means for dispensing or spreading integral media using sponges, foams, absorbent pads or swabs as spreading means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Pathology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a bone channel transfusion device, comprising: a housing, one end of which is configured to be open-ended; a puncturing member; also includes, a sterilizing component; when the bone channel infusion device is in a sterilization working mode, the puncture component drives the cylindrical rotating body to rotate synchronously along a first rotation direction, the cylindrical rotating body drives the separable sterilized cotton block group to rotate synchronously along the first rotation direction, when the bone channel infusion device is in a puncture working mode, the puncture component rotates along a second rotation direction, the cylindrical rotating body stops reversely, the puncture component drives the sterilized cotton blocks to separate from each other, and when the sterilized cotton blocks are completely separated, the puncture needle penetrates through the cylindrical rotating body to a puncture position. Under the emergency condition, the invention can rapidly complete the disinfection and puncture work, shorten the time for establishing the marrow cavity channel, rapidly establish the marrow cavity channel and reduce the risk of missing the best rescue opportunity.
Description
Technical Field
The invention relates to the technical field of intraosseous infusion, in particular to a bone channel infusion device.
Background
At present, in most clinical emergency treatment processes, particularly when critically ill patients are rescued, an intravenous infusion channel is established, and timely administration can win precious time for rescue. However, some critically ill patients often lose the best administration time due to dehydration, shock, massive hemorrhage and other reasons when vein dredging cannot be quickly and effectively established, and finally rescue failure is caused. In this case, ensuring timely administration of the remedies and fluids is critical to the rescue by establishing the medullary canal in a very short time.
The invention discloses a Chinese patent with publication No. CN112057147 with the name of 'effusion treatment equipment for medical oncology treatment', which fixes two disinfection cotton pads on the lower surface of a mounting plate, utilizes the disinfection cotton pads to disinfect the periphery of a puncture needle, prevents infection, is practical, and is comfortable when the mounting plate is attached to the skin.
However, the disinfection range of the disinfection cotton pad in the patent is limited in the area range of the disinfection cotton pad, and only the periphery of the acupuncture point can be disinfected, the acupuncture point cannot be disinfected, the disinfection effect is poor, artificial supplementary disinfection is still needed, the time for establishing the marrow cavity channel is prolonged under the emergency condition, and the risk of missing the best rescue opportunity is increased.
Disclosure of Invention
The invention aims to provide a bone tunnel infusion device which is designed aiming at the bone tunnel infusion device, can quickly finish disinfection and puncture work under emergency conditions, shortens the time for establishing a medullary cavity tunnel, quickly establishes the medullary cavity tunnel and reduces the risk of missing the best rescue opportunity.
The embodiment of the invention is realized by the following technical scheme:
a bone access infusion device comprising:
a housing, one end of which is configured to be open-ended;
a puncture member which is arranged in the shell and is provided with a puncture needle which can move from an initial position to a puncture position, wherein the puncture needle is positioned in the shell at the initial position, and the tip of the puncture needle extends out of the shell through the opening end at the puncture position; further comprising:
the disinfecting component comprises a cylindrical rotating body and a separable disinfecting assembly for disinfecting skin at a puncture part, wherein the cylindrical rotating body is arranged at the opening end, the cylindrical rotating body is in one-way rotating connection with the shell, the cylindrical rotating body is in releasable linkage with the puncture component through the separable disinfecting assembly, the separable disinfecting assembly is in sliding connection with the cylindrical rotating body, and the separable disinfecting assembly comprises at least two disinfecting cotton blocks spliced into a whole;
when the bone access infusion device is in a sterilization working mode, the puncture component drives the cylindrical rotating body to rotate synchronously along a first rotation direction, the cylindrical rotating body drives the separable sterilized cotton block group to rotate synchronously along the first rotation direction,
when the bone channel infusion device is in a puncture working mode, the puncture part rotates along the second rotation direction, the cylindrical rotating body stops reversely, the puncture part drives the sterilized cotton blocks to separate from each other, and when the sterilized cotton blocks are completely separated, the puncture needle penetrates through the cylindrical rotating body to a puncture position.
In an embodiment of the present invention, the disposable sterilization device further includes a pawl interlocking portion fixed to the separable sterilization assembly, the pawl interlocking portion is engaged with the puncture member when the pawl interlocking portion is in a locked position, the puncture member is interlocked with the separable sterilization assembly, the pawl interlocking portion is disengaged from the puncture member when the pawl interlocking portion is in an unlocked state, and the puncture member can rotate relative to the separable sterilization assembly.
In an embodiment of the present invention, the separable sterilization assembly includes an annular rotator and at least a pair of telescopic arms, the pair of telescopic arms are slidably connected to the cylindrical rotator, the pair of telescopic arms are symmetrically arranged with the axis of the cylindrical rotator as a symmetry axis, the pair of telescopic arms are in a V-shaped structure, one end of the telescopic arm at the vertex of the V-shaped structure is fixed to the sterilization cotton block, the annular rotator is rotatably connected to the cylindrical rotator, the annular rotator is located in the V-shaped structure, the annular rotator is in threaded connection with the telescopic arms, the annular rotator is used for driving the telescopic arms to retract into the housing along the arm length direction, and the end face of the annular rotator is releasably linked with the puncture component.
In an embodiment of the present invention, the pawl interlocking portion includes a pawl and a torsion spring, the pawl is fixed to the annular rotation body through a rotation shaft, the pawl is provided with a linkage arm, the torsion spring is sleeved on the rotation shaft, when the pawl interlocking portion is in a locked state, an end of the linkage arm is clamped to the puncture component, and when the pawl interlocking portion is in an unlocked state, the torsion spring drives the pawl to rotate along a predetermined direction so as to release the clamping between the linkage arm and the puncture component.
In an embodiment of the present invention, the pawl is further provided with an unlocking arm, the telescopic arm is provided with an unlocking groove, when the pawl interlocking portion is in the locked position, an end of the unlocking arm abuts against the telescopic arm, the end of the unlocking arm can slide along a surface of the telescopic arm, and when the pawl interlocking portion is in the unlocked state, the end of the unlocking arm is inserted into the unlocking groove to provide a space for the pawl to rotate.
In an embodiment of the invention, the unlocking groove is configured with a start end and a stop end, the start end extends to the stop end and points to a direction opposite to the retracting direction of the telescopic arm, when the end of the unlocking arm abuts against the stop end, the telescopic arm retracts to stop, and the telescopic arm stops relative to the annular revolving body.
In an embodiment of the present invention, a plurality of balls are disposed on an end surface of the annular rotator, and the piercing member is rotatably connected to the annular rotator through the balls.
In an embodiment of the present invention, the cylindrical rotating body is configured with a needle taking notch, and the needle taking notch traverses the cylindrical rotating body along a radial direction of the cylindrical rotating body.
In an embodiment of the present invention, a sterilized cotton sheet is disposed on an end surface of the cylindrical rotating body.
In an embodiment of the present invention, the cylindrical rotating body further includes an overrunning clutch fixed in the housing, and the cylindrical rotating body is connected to the housing in a unidirectional rotation manner through the overrunning clutch.
In an embodiment of the present invention, the puncture member is further provided with a cylindrical rotating body rotatably connected to the housing, and a needle pushing mechanism incorporated in the cylindrical rotating body, the needle pushing mechanism being rotatably connected to the cylindrical rotating body, the needle pushing mechanism being connected to the puncture needle, the needle pushing mechanism being configured to drive the puncture needle to move from a start position to a puncture position.
In one embodiment of the present invention, the needle pushing mechanism includes a driving worm having an axis parallel to the axis of the cylindrical rotating body, one end of the driving worm is rotatably connected to the housing, the other end of the driving worm is rotatably connected to the cylindrical rotating body, the needle pushing rod is provided with a driven worm engaged with the driving worm, the needle pushing rod is connected to the puncture needle, the direction from the starting position of the puncture needle to the puncture position is a needle advancing direction, the direction from the puncture position of the puncture needle to the starting position is a needle withdrawing direction, when the bone access infusion device is in the sterilization mode, the driving worm rotates in the needle withdrawing direction, the driving worm drives the needle pushing rod to move in the needle withdrawing direction through the driven worm, the needle pushing rod drives the puncture needle to remain at the starting position, when the bone access device is in the puncture mode, the driving worm rotates along the needle inserting direction, the driving worm drives the push rod to move along the needle inserting direction through the driven worm, and the push rod drives the puncture needle to move from the initial position to the puncture position.
In an embodiment of the present invention, the needle pushing mechanism further includes two limiting optical axes, one end of each limiting optical axis is rotatably connected to the housing, the other end of each limiting optical axis is rotatably connected to the cylindrical revolving body, the two limiting optical axes and the driving worm are arranged in a triangular structure, the needle pushing rod is located in the triangular structure, and the driven worm is in rolling contact with the limiting optical axes.
In an embodiment of the present invention, the present invention further includes a transmission mechanism, the transmission mechanism includes a transmission shaft, the transmission shaft is rotatably connected to the inner wall of the housing, one end of the transmission shaft is connected to the driving worm through a synchronous belt, and the other end of the transmission shaft is connected to the cylindrical revolving body through a gear pair.
In an embodiment of the present invention, the bone-channel infusion device further includes a disinfectant-liquid blowing-drying component, the disinfectant-liquid blowing-drying component is configured with a gas cylinder and an air nozzle communicated with the gas cylinder, the gas cylinder is disposed inside the housing, the air nozzle is fixed at an opening end of the housing, and when the bone-channel infusion device is in a puncturing operation mode, the air nozzle sprays clean gas to a skin area contacted by the disinfectant cotton.
In one embodiment of the invention, the sterile cotton block is provided with a first easily tearable sealing membrane.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
in the embodiment of the invention, a disinfection part with disinfection cotton and a puncture part are integrated, a separable disinfection component is arranged in the disinfection part and comprises at least two disinfection cotton blocks which are spliced into a whole, under the emergency condition, a medical worker holds a bone channel infusion device by hand, the bone channel infusion device firstly operates in a disinfection mode, the skin at the puncture position is disinfected by the spliced disinfection cotton blocks, then operates in a puncture mode, the puncture needle is pushed to the puncture position from the initial position, and in the moving process of the puncture needle, the spliced disinfection cotton blocks are separated from each other so as to be convenient for the puncture needle to pass through, and when the puncture needle reaches the puncture position, the puncture needle punctures into the marrow cavity of a patient. Under the emergency condition, the embodiment of the invention can quickly finish the disinfection and puncture work, shorten the time for establishing the marrow cavity channel, realize the quick establishment of the marrow cavity channel and reduce the risk of missing the best rescue opportunity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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 the present invention in an unused state;
FIG. 2 is a schematic view of the present invention in a sterilization mode of operation;
FIG. 3 is a schematic view of the sterilization unit and pawl interlock of FIG. 2;
FIG. 4 is a schematic structural view of the present invention in a puncturing operation mode;
FIG. 5 is a schematic view of the sterilization unit and pawl interlock of FIG. 4;
FIG. 6 is a schematic view of the telescopic arm according to the present invention;
FIG. 7 is a schematic view of the pawl of the present invention;
FIG. 8 is a schematic view of the rotary joint of the present invention;
FIG. 9 is a schematic view of the worm support of the present invention;
fig. 10 is a bottom view of the cylindrical rotating body in the present invention;
fig. 11 is a schematic view showing the structure of the puncture needle of the present invention.
Icon: 1-shell, 11-open end, 12-end cover, 2-puncture component, 21-puncture needle, 22-cylindrical revolving body, 23-needle pushing mechanism, 24-driving worm, 25-needle pushing rod, 251-driven worm, 26-limit optical axis, 27-rotation connecting piece, 271-connecting flange, 272-connecting bearing, 28-worm support, 3-disinfection component, 31-cylindrical revolving body, 321-disinfection cotton block, 322-telescopic arm, 323-annular revolving body, 324-unlocking groove, 3241-starting end, 3242-terminating end, 325-first easy-tear sealing membrane, 34-needle taking notch, 35-disinfection cotton sheet, 351-gap, 36-overrunning clutch and 37-second easy-tear sealing membrane, 4-pawl interlocking part, 41-pawl, 411-interlocking arm, 412-unlocking arm, 5-transmission mechanism, 51-transmission shaft, 61-gas cylinder, 62-gas nozzle, 7-motor and 8-protective cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, but not all, embodiments of the present invention. The components of embodiments of the present invention 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 figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.
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 "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the present invention is used, the description is merely for convenience of describing the present invention and simplifying the description, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, and thus, cannot be understood as the 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," "configured," 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 11, a bone access infusion device includes a housing 1 with an open end 11 at one end, a puncturing part 2 and a disinfecting part 3, and it should be noted that the housing 1 is provided with a motor 7, a control module and a battery, the motor 7 is used for providing power for the puncturing part 2 and the disinfecting part 3, the control module is used for controlling the motor 7, the battery is used for supplying power to electrical devices in the bone access infusion device, and the control module adopts the prior art and can be directly purchased from the market to realize the operation.
The bone access infusion device described in this embodiment has two modes of operation, namely a sterilization mode of operation and a puncture mode of operation. When the bone channel infusion device is used, an operator starts the bone channel infusion device through a switch piece in the control module, the control module controls the motor 7 to rotate reversely firstly so as to drive the bone channel infusion device to enter a disinfection working mode to work, and after the bone channel infusion device is disinfected for a set time, the control module controls the motor 7 to rotate forwards so as to drive the bone channel infusion device to enter a puncture working mode to work.
For convenience of description in the following, in the present embodiment, the counterclockwise rotation of the shaft of the motor 7 is regarded as the reverse rotation, and the clockwise rotation of the shaft of the motor 7 is regarded as the forward rotation.
The shell 1 is a long cylindrical thin shell structure, one end of the shell 1 is an opening end 11 for installing the disinfection component 3, and the other end of the shell 1 is provided with an end cover 12. Medical personnel are when using, and medical personnel hand casing 1 is in order to accomplish the puncture operation, consequently, still can set up the portion of gripping of being convenient for to grip at 1 outer wall of casing, and this portion of gripping can form a complete set up anti-skidding cushion or anti-skidding line. In addition, a switch member, a key, a micro display, and the like in the control module are mounted on the housing 1. In this embodiment, an installation cavity for the motor 7 is provided at one end of the housing 1 having the end cover 12, and the motor 7 is installed in the installation cavity for the motor 7.
The puncturing member 2 is built into the housing 1, and the puncturing member 2 is provided with a puncturing needle 21 movable from a start position in which the puncturing needle 21 is positioned inside the housing 1 to a puncturing position in which a tip of the puncturing needle 21 extends outside the housing 1 through the opening end 11. The power input end of the puncture part 2 is connected with the motor 7 shaft, the power output end of the puncture part 2 is connected with the puncture needle 21 in a clamping mode, the puncture part 2 can adopt a structure that the motor 7 is combined with a gear rack to realize the pushing of the puncture needle 21 to move from an initial position to a puncture position, the puncture part 2 can also adopt a structure that the motor 7 is combined with a spiral pair to realize the pushing of the puncture needle 21 to move from the initial position to the puncture position, and the puncture part 2 can also adopt other structures which can convert the rotation of the motor 7 shaft into the linear motion of the puncture needle 21. When the puncture needle 21 is in the puncture position, the puncture needle 21 has already punctured the bone marrow cavity of the patient, that is, the puncture is completed.
In the present embodiment, the puncturing member 2 includes a cylindrical rotator 22, a needle pushing mechanism 23 and a puncturing needle 21, the cylindrical rotator 22 is rotatably connected to the housing 1 by a bearing, the cylindrical rotator 22 is a cylindrical part with both ends being open ends 11, the cylindrical rotator 22 in the present embodiment may be a cylindrical part made of metal or plastic, and the present embodiment uses the cylindrical rotator 22 as a mounting base of the needle pushing mechanism 23 and also uses the cylindrical rotator 22 to realize transmission between the puncturing member 2 and the disinfecting member 3. The push pin mechanism 23 is arranged in the cylindrical revolving body 22, the push pin mechanism 23 comprises a driving worm 24, a push pin rod 25 and two limiting optical axes 26, a rotary connecting piece 27 and a worm support 28 are arranged in the cylindrical revolving body 22, the rotary connecting piece 27 comprises a connecting bearing 272 and a connecting flange 271, the connecting bearing 272 is arranged in the cylindrical revolving body 22, one end of the connecting flange 271 is in interference fit with the connecting bearing 272, the other end of the connecting flange 271 is fixed with the worm support 28, and the rotary connecting piece 27 and the worm support 28 are arranged in the cylindrical revolving body 22, so that the push pin mechanism 23 is assembled in the cylindrical revolving body 22, and the interference of the push pin mechanism 23 on the rotation of the cylindrical revolving body 22 is avoided. The worm support 28 is of a structure with three cantilevers, the tail ends of the three cantilevers form a triangular structure, the lower ends of the driving worm 24 and the two limiting optical axes 26 are rotatably connected with the cantilevers of the worm support 28 through bearings, wherein the upper ends of the limiting optical axes 26 extend out of the cylindrical revolving body 22, the upper ends of the limiting optical axes 26 are rotatably connected with the shell 1 through bearings, the two limiting optical axes 26 and the driving worm 24 are arranged in a triangular structure, the push rod 25 is located in the triangular structure, the driven worm 251 is in rolling contact with the limiting optical axes 26, and when the push rod 25 moves linearly under the driving of the driving worm 24, the push rod 25 is limited by the two limiting optical axes 26 to only move linearly in the triangular structure formed by the two limiting optical axes 26 and the driving worm 24. The upper end of the driving worm 24 extends into the installation cavity of the motor 7, the upper end of the driving worm 24 is rotatably connected with the installation cavity of the motor 7 by using a bearing, that is, the driving worm 24 is rotatably connected with the shell 1, the upper end of the driving worm 24 can be driven by an output shaft of the motor 7 through a gear pair, and the upper end of the driving worm 24 is driven by an output shaft of the motor 7 through a synchronous belt and a synchronous belt pulley in the embodiment. The axis of the driving worm 24 is arranged parallel to the axis of the cylindrical rotator 22, the push rod 25 is provided with a driven worm 251 engaged with the driving worm 24, the push rod 25 is connected with the puncture needle 21, and the driven worm 251 is respectively positioned at both ends of the push rod 25 with the puncture needle 21. Furthermore, the driving worm 24 includes a helical tooth section and a limit optical axis 26 section, the diameter of the limit optical axis 26 section is equal to the outer diameter of the helical tooth section, and the limit optical axis 26 section is located above the helical tooth section, when the driving worm 24 rotates counterclockwise, i.e., in the sterilization operation mode, the pusher bar 25 moves upward along the axis by the driven worm 251 until the driven worm 251 passes over the thread pool section and keeps rolling with the limit optical axis 26 section, so that the puncture needle 21 is kept at the initial position by the limit optical axis 26 section.
The direction from the starting position to the puncture position of the puncture needle 21 is defined as a needle insertion direction, and the direction from the puncture position to the starting position of the puncture needle 21 is defined as a needle withdrawal direction. When the bone channel infusion device is in a disinfection working mode, the shaft of the motor 7 rotates anticlockwise, the driving worm 24 rotates along the needle withdrawing direction, namely the driving worm 24 rotates anticlockwise, the driving worm 24 drives the needle pushing rod 25 to move along the needle withdrawing direction through the driven worm 251, and the needle pushing rod 25 drives the puncture needle 21 to keep at an initial position due to the section of the limiting optical axis 26 on the driving worm 24; when the bone access transfusion device is in a puncture working mode, the motor 7 rotates clockwise, the driving worm 24 rotates along the needle insertion direction, namely, the driving worm 24 rotates clockwise, the driving worm 24 drives the push rod 25 to move along the needle insertion direction through the driven worm 251, and the push rod 25 drives the puncture needle 21 to move from the initial position to the puncture position.
It should be noted that, a driving lug is arranged in the tooth socket of the driving worm 24, a driving groove capable of being meshed with the driving lug is arranged at the tooth crest of the driven worm 251, when the bone channel infusion device is in a puncture working mode, the driving worm 24 is meshed with the driven worm 251, the driven worm 251 moves linearly along the needle insertion direction, the driving lug of the driving worm 24 is meshed with the driving groove of the driven worm 251, the driving lug and the driving groove are used for driving the driven worm 251 to rotate, namely, the pushing rod 25 moves linearly along the needle insertion direction and rotates, the puncture needle 21 can be drilled into the bone marrow cavity of the patient, and the puncture needle 21 is ejected and punctured into the bone marrow cavity by a spring.
In this embodiment, in order to transmit the power of the motor 7 to the cylindrical revolving body 22 to drive the cylindrical revolving body 22 to rotate, the bone access infusion device further includes a transmission mechanism 5, the transmission mechanism 5 includes a transmission shaft 51, the transmission shaft 51 is rotatably connected to the inner wall of the housing 1, one end of the transmission shaft 51 is connected to the driving worm 24 through a timing belt, the other end of the transmission shaft 51 is connected to the cylindrical revolving body 22 through a gear pair, that is, the power of the motor 7 is transmitted to the driving worm 24, and the driving worm 24 is transmitted to the cylindrical revolving body 22 through the transmission mechanism 5, so as to achieve the purpose that the bone access infusion device can complete the transmission of the sterilization working mode and the puncture working mode by using one power source.
The disinfecting component 3 comprises a cylindrical rotating body 31 and a separable disinfecting component for disinfecting skin at a puncture site, wherein the cylindrical rotating body 31 is arranged at the opening end 11 of the shell 1, the cylindrical rotating body 31 is connected with the shell 1 in a one-way rotating manner, in the embodiment, the cylindrical rotating body 31 is connected with the shell 1 in a one-way rotating manner by using an overrunning clutch 36, the cylindrical rotating body 31 can only rotate clockwise by using the overrunning clutch 36, and when the cylindrical rotating body 31 has a tendency of rotating anticlockwise, the cylindrical rotating body 31 is stopped by the overrunning clutch 36. The separable sterilizing unit comprises a telescopic arm 322, an annular rotator 323 and at least two sterilizing cotton blocks 321. The aseptic cotton block 321 is integrated. The inner wall of the cylindrical rotating body 31 is provided with a chute for accommodating the telescopic arm 322, and the telescopic arm 322 is connected to the cylindrical rotating body 31 in a sliding manner through the chute so as to realize that the separable disinfection component is connected in the cylindrical rotating body 31 in a sliding manner. This flexible arm 322 disposes a pair at least, should rotate the body axis with this tube-shape to flexible arm 322 and be symmetry axis symmetrical arrangement, should be the V type structure to flexible arm 322, should be located this flexible arm 322 one end on this V type structure summit with the cotton piece of disinfection 321 is fixed, in this embodiment, the tip of flexible arm 322 is equipped with uncovered cotton piece holding box, this cotton piece of disinfection 321 bonds or fixes in cotton piece holding box through other modes, and cotton piece of disinfection 321 need stick out cotton piece holding box to the contact of cotton piece of disinfection 321 and skin, it has medical antiseptic solution to soak in advance in the cotton piece of disinfection 321, and it is sealed with first easy tear seal membrane 325, prevent that medical antiseptic solution from volatilizing. The number of the sterilized cotton blocks 321 is equal to that of the telescopic arms 322, and one sterilized cotton block 321 is arranged on one telescopic arm 322.
The cylindrical revolving body 22 is internally provided with mounting steps for mounting the annular revolving body 323, the annular revolving body 323 is placed behind the mounting steps, the arc limiting plates are fixed in the cylindrical revolving body 22 in a bolt fixing or gluing mode, at least two arc limiting plates are arranged, and the arc limiting plates and the mounting steps form a rotating groove for accommodating the annular revolving body, so that the annular revolving body can rotate in the rotating groove, the annular revolving body 323 cannot be separated from the rotating groove, the annular revolving body 323 is further rotatably connected with the cylindrical revolving body 31, and the annular revolving body 323 can rotate independently relative to the cylindrical revolving body 31. The annular rotator 323 is located in the V-shaped structure, the annular rotator 323 is in threaded connection with the telescopic arm 322, that is, the circumferential surface of the annular rotator 323 is provided with continuous threads, the side surface of the telescopic arm 322, which is attached to the annular rotator 323, is provided with discontinuous threads, the circumferential surface of the annular rotator 323 is in threaded connection with the telescopic arm 322, and the annular rotator 323 is used for driving the telescopic arm 322 to retract into the housing 1 along the arm length direction.
When the bone channel infusion device is in a disinfection working mode, the motor 7 rotates anticlockwise, the cylindrical revolving body 22 rotates clockwise, the annular revolving body 323 and the cylindrical revolving body 22 synchronously rotate clockwise, the annular revolving body 323 drives the telescopic arms 322 to extend out towards the vertex direction of the V-shaped structure through threaded connection, but the telescopic arms 322 are already in a butting state at the vertex of the V-shaped structure, at the moment, the telescopic arms 322 and the annular revolving body 323 are in a relative static state, namely, the annular revolving body 323 drives the whole disinfection component 3 to rotate clockwise through the telescopic arms 322, and in the rotating process of the disinfection component 3, the disinfection cotton blocks 321 on the telescopic arms 322 wipe the skin of a patient with disinfectant to realize disinfection.
When the bone access infusion device is in a puncture working mode, the shaft of the motor 7 rotates clockwise, the cylindrical rotary head rotates anticlockwise, the annular rotary body 323 and the cylindrical rotary body 22 rotate anticlockwise synchronously, the annular rotary body 323 rotates only due to the overrunning clutch 36, the annular rotary body 323 drives the telescopic arm 322 to retract into the shell 1 through threaded connection, the sterilized cotton blocks 321 at the tops of the V-shaped structures move along with the telescopic arm 322 where the sterilized cotton blocks are located, namely, the sterilized cotton blocks 321 which are originally spliced together are separated from each other to avoid the puncture needle 21, and the sterilized cotton blocks 321 are prevented from interfering the puncture needle 21 in movement.
When the bone access infusion device is in a puncture working mode, when the telescopic arm 322 retracts to the limit position, the telescopic arm 322 cannot retract any more due to the existence of the cotton block accommodating box, at the moment, the annular revolving body 323 and the telescopic arm 322 are also in a relative static state, namely, the whole disinfection component of the annular revolving body 323 can be regarded as a whole, the rotation action transmitted to the annular revolving body 323 by the cylindrical revolving body 22 cannot be executed, so that the moving component of the whole bone access infusion device stops acting, the motor 7 is locked, and even the motor 7 is burnt. Therefore, the bone access infusion device according to the present embodiment further includes the click interlocking portion 4, and the annular rotator 323 has a plurality of balls disposed on the end surface thereof, and the cylindrical rotator 22 of the puncture member 2 is rotatably connected to the annular rotator 323 by the balls, and the end surface of the annular rotator 323 is releasably interlocked with the cylindrical rotator 22 by the click interlocking portion 4 and the balls. The pawl interlocking portion 4 is fixed to the separable disinfection component, specifically, the pawl interlocking portion 4 in this embodiment includes a pawl 41 and a torsion spring, the pawl 41 is fixed to the annular revolving body 323 through a rotating shaft, the pawl 41 is provided with a linkage arm 411 and an unlocking arm 412, the tubular revolving body 22 is provided with a clamping groove, the end of the linkage arm 411 can extend into the clamping groove, the unlocking arm 412 abuts against the telescopic arm 322, when the telescopic arm 322 retracts, the end of the unlocking arm 412 slides relative to the surface of the telescopic arm 322, the torsion spring is sleeved on the rotating shaft, and the torsion spring enables the pawl 41 to have a rotation trend in the rotation direction from the linkage arm 411 to the unlocking arm 412. The first state of the pawl interlocking portion 4 is a locked state in which the tubular rotary body 22 and the annular rotary body 323 are locked, and the corresponding pawl 41 is in the locked position, and the second state of the pawl interlocking portion 4 is an unlocked state in which the tubular rotary body 22 and the annular rotary body 323 are unlocked, and the pawl 41 is in the unlocked position, that is, the pawl 41 tends to rotate from the locked position to the unlocked position by the torsion spring. The telescopic arm 322 is provided with an unlocking groove 324, when the pawl interlocking portion 4 is in the locked position, the end of the unlocking arm 412 abuts against the telescopic arm 322, the end of the unlocking arm 412 can slide along the surface of the telescopic arm 322, and when the pawl interlocking portion 4 is in the unlocked state, the end of the unlocking arm 412 is inserted into the unlocking groove 324 to provide a space for the pawl 41 to rotate.
In the bone access infusion device, when the telescopic arm 322 of the bone access infusion device is retracted in the disinfection operation mode and the puncture operation mode, and the pawl interlocking part 4 is in the locking state, the pawl 41 is in the locking position, and the end part of the interlocking arm 411 is clamped with the cylindrical rotator 22 of the puncture member 2, so that the cylindrical rotator 22 and the annular rotator 323 can synchronously rotate. When the pawl interlocking part 4 is in an unlocking state, that is, when the telescopic arm 322 retracts to an unlocking position, the unlocking groove 324 faces the unlocking arm 412 of the pawl 41, the pawl 41 loses the stop constraint, the torsion spring drives the pawl 41 to rotate along a predetermined direction under the drive of the torsion spring, the unlocking arm 412 is inserted into the unlocking groove 324, and the end part of the linkage arm 411 exits from the clamping groove of the cylindrical annular body so as to release the clamping connection between the linkage arm 411 and the cylindrical revolving body 22, so that the cylindrical revolving body 22 and the annular revolving body 323 can rotate independently.
The unlocking groove 324 is provided in this embodiment to prevent the telescopic arm 322 from being retracted without limitation, the unlocking groove 324 is provided with a start end 3241 and a stop end 3242, the start end 3241 extends to the stop end 3242 and points in the direction opposite to the retracting direction of the telescopic arm 322, when the end of the unlocking arm 412 abuts against the stop end 3242, the telescopic arm 322 is retracted and stopped, the telescopic arm 322 is stopped with respect to the annular rotator 323, that is, when the end of the unlocking arm 412 abuts against the stop end 3242 of the unlocking groove 324, the telescopic arm 322 cannot be retracted and moved any more by the pawl 41, the telescopic arm 322 is stationary with respect to the annular rotator 323, and the tubular rotator 22 is already unlocked from the annular rotator 323, so that the tubular rotator 22 keeps rotating, and the annular rotator 323 and the whole sterilizing part 3 are stopped reversely by the overrunning clutch 36 and kept stationary.
When the puncture needle 21 is moved to the puncture position, i.e., after puncturing the patient's medullary cavity, in order to facilitate separation of the puncture needle 21 from the push rod 25, the cylindrical rotating body 31 is provided with a needle taking notch 34, the needle taking notch 34 penetrates the cylindrical rotating body in the radial direction of the cylindrical rotating body, and the operator can grasp the needle seat of the puncture needle 21 by forceps or other instruments to further separate the push rod 25 from the puncture needle 21.
It should be noted that, in order to enlarge the disinfection area of the disinfection component, the end face of the tubular rotating body 31 is configured with the disinfection cotton piece 35, when the bone channel infusion device is not in use, in order to avoid volatilization of the medical disinfection solution pre-soaked in the disinfection cotton piece 35, the disinfection cotton piece 35 is sealed by the second easily-torn sealing film 37, the second easily-torn sealing film 37 covers the end face of the whole tubular rotating body 31, and the second easily-torn sealing film 37 is adhered to the first easily-torn sealing film 325, so that when the second easily-torn sealing film 37 is torn, the first easily-torn sealing film 325 is synchronously torn by the second easily-torn sealing film 37.
It should be noted that, this bone passageway infusion set still includes the antiseptic solution and weathers the part, and this antiseptic solution weathers the part and disposes gas cylinder 61 and the air nozzle 62 who communicates with this gas cylinder 61 to and the supporting device such as the solenoid valve that sets up that is used for controlling the gas circuit break-make, store up clean air or other gas in this gas cylinder 61. The gas needs to satisfy: neither reacts with the disinfecting solution nor irritates or damages the skin of the patient. The air bottle 61 is arranged in the shell 1, the air nozzle 62 is fixed at the opening end 11 of the shell 1, and when the bone access transfusion device is in a puncture working mode, the air nozzle 62 sprays clean air to the skin area contacted by the sterilized cotton. When bone passageway infusion set is in puncture mode of operation, after flexible arm 322 begins to retract, aseptic cotton piece 321 on the flexible arm 322 also retracts in to tube-shape rotation body 31, and aseptic cotton piece 321 begins to keep away from patient's skin, because in the medical treatment operation, the puncture need can go on after the antiseptic solution on skin surface dries out, consequently, this technical scheme utilizes the clean gas of air nozzle 62 spun to make the antiseptic solution in puncture area dry out fast on the skin. Moreover, the disinfection cotton sheet 35 is provided with a plurality of convex blocks, and a gap 351 is formed between every two adjacent convex blocks, so that the gas sprayed by the air nozzle 62 flows into the area covered by the cylindrical rotating body 31 from the gap 351, and the disinfection liquid is dried quickly.
When the bone access infusion device is in the sterilization working mode, the puncture component 2 drives the cylindrical rotating body 31 to rotate synchronously along the first rotation direction, the cylindrical rotating body 31 drives the separable sterilized cotton blocks 321 to rotate synchronously along the first rotation direction,
when the bone access infusion device is in a puncture working mode, the puncture component 2 rotates along the second rotation direction, the cylindrical rotating body 31 stops reversely, the puncture component 2 drives the sterilized cotton blocks 321 to separate from each other, and when the sterilized cotton blocks 321 are completely separated, the puncture needle 21 penetrates through the cylindrical rotating body 31 to a puncture position.
In the embodiment of the invention, a disinfection component 3 with disinfection cotton is integrated with a puncture component 2, a separable disinfection component is arranged in the disinfection component 3, the separable disinfection component comprises at least two disinfection cotton blocks 321, the disinfection cotton blocks 321 are spliced into a whole, in an emergency situation, a medical worker holds a bone channel infusion device by hand, the bone channel infusion device operates in a disinfection mode firstly, the skin of a puncture part is disinfected by the spliced disinfection cotton blocks 321, then the bone channel infusion device operates in a puncture mode to push a puncture needle 21 to a puncture position from an initial position, in the moving process of the puncture needle 21, the spliced disinfection cotton blocks 321 are separated from each other so as to pass the puncture needle 21, and when the puncture needle 21 reaches the puncture position, the puncture needle 21 punctures the bone marrow cavity of a patient. Under the emergency condition, the embodiment of the invention can quickly finish the disinfection and puncture work, shorten the time for establishing the marrow cavity channel, realize the quick establishment of the marrow cavity channel and reduce the risk of missing the best rescue opportunity.
When the bone access infusion device is delivered from a factory, the whole bone access infusion device is sterilized to meet the requirement of sterility, and the opening end 11 of the shell 1 is provided with the protective cover 8 for sealing. And a plurality of bone channel transfusion devices are prepared according to patients of different ages by taking puncture needles 21 of different lengths corresponding to the patients of different ages as a division standard. For each bone channel infusion device, the puncture depth can be input through the control module, and the control of the puncture depth is realized through the control motor 7.
In order to fix the puncture needle 21, an adhesive tape is wound on a needle base of the puncture needle 21 in advance, and after the puncture is finished, the adhesive tape on the needle base is opened to be adhered to the skin of the patient, so that the puncture needle 21 is fixed quickly.
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 (10)
1. A bone access infusion device comprising:
a housing, one end of which is configured as an open end;
a puncture member which is arranged in the shell and is provided with a puncture needle which can move from an initial position to a puncture position, wherein the puncture needle is positioned in the shell at the initial position, and the tip of the puncture needle extends out of the shell through the opening end at the puncture position;
it is characterized by also comprising:
the disinfecting component comprises a cylindrical rotating body and a separable disinfecting assembly for disinfecting skin at a puncture part, wherein the cylindrical rotating body is arranged at the opening end, the cylindrical rotating body is in one-way rotating connection with the shell, the cylindrical rotating body is in releasable linkage with the puncture component through the separable disinfecting assembly, the separable disinfecting assembly is in sliding connection with the cylindrical rotating body, and the separable disinfecting assembly comprises at least two disinfecting cotton blocks spliced into a whole;
when the bone access infusion device is in a sterilization working mode, the puncture component drives the cylindrical rotating body to rotate synchronously along a first rotation direction, the cylindrical rotating body drives the separable sterilized cotton block group to rotate synchronously along the first rotation direction,
when the bone channel infusion device is in a puncture working mode, the puncture part rotates along the second rotation direction, the cylindrical rotating body stops reversely, the puncture part drives the sterilized cotton blocks to separate from each other, and when the sterilized cotton blocks are completely separated, the puncture needle penetrates through the cylindrical rotating body to a puncture position.
2. The bone access infusion device of claim 1,
also comprises a pawl interlocking part which is arranged on the base,
the pawl interlocking part is fixed on the separable sterilizing component,
when the pawl interlocking part is in a locking position, the pawl interlocking part is clamped with the puncture component, the puncture component is linked with the separable disinfection component,
when the pawl interlocking part is in an unlocking state, the pawl interlocking part is unlocked from the puncture component, and the puncture component can rotate relative to the separable disinfection component.
3. The bone access infusion device of claim 2,
the separable disinfection component comprises an annular revolving body and at least one pair of telescopic arms,
the pair of telescopic arms are connected with the cylindrical rotating body in a sliding way, are symmetrically arranged by taking the axis of the cylindrical rotating body as a symmetry axis, are in a V-shaped structure, one end of the telescopic arm positioned at the vertex of the V-shaped structure is fixed with the sterilized cotton block,
the annular revolving body is rotatably connected with the cylindrical revolving body, is positioned in the V-shaped structure, is in threaded connection with the telescopic arm, is used for driving the telescopic arm to retract into the shell along the arm length direction, and has an end surface in releasable linkage with the puncture component.
4. The bone access infusion device of claim 3,
the pawl interlock includes a pawl and a torsion spring,
the pawl is fixed on the annular revolving body through a rotating shaft, the pawl is provided with a linkage arm,
the torsion spring is sleeved on the rotating shaft,
when the pawl interlocking part is in a locking state, the end part of the interlocking arm is clamped with the puncture component,
when the pawl interlocking part is in an unlocking state, the torsion spring drives the pawl to rotate along a preset direction so as to release the clamping connection of the linkage arm and the puncture part.
5. The bone access infusion device of claim 4,
the pawl is also provided with a release arm,
the telescopic arm is provided with an unlocking groove,
when the pawl interlocking part is in a locking position, the end part of the unlocking arm abuts against the telescopic arm, the end part of the unlocking arm can slide along the surface of the telescopic arm,
when the pawl interlocking part is in an unlocking state, the end part of the unlocking arm is inserted into the unlocking groove to provide a space for the rotation of the pawl.
6. The bone access infusion device of claim 5,
the unlocking groove is provided with a starting end and a terminating end,
the starting end extends to the ending end and points to the direction opposite to the retracting direction of the telescopic arm,
when the end part of the unlocking arm abuts against the termination end, the telescopic arm retracts to stop, and the telescopic arm stops relative to the annular revolving body.
7. The bone access infusion device of claim 3,
a plurality of balls are arranged on the end surface of the annular revolving body,
the puncture component is rotationally connected with the annular revolving body through the ball.
8. The bone access infusion device of claim 1,
the cylindrical rotating body is provided with a needle taking notch,
the needle taking gap penetrates through the cylindrical rotating body along the radial direction of the cylindrical rotating body.
9. The bone access infusion device of claim 1,
the end face of the cylindrical rotating body is provided with a sterilized cotton sheet.
10. The bone access infusion device of claim 1,
also comprises an overrunning clutch fixed in the shell,
the cylindrical rotating body is connected with the shell in a unidirectional rotation mode through the overrunning clutch.
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| CN202110430670.7A CN113331923B (en) | 2021-04-21 | 2021-04-21 | Bone channel infusion device |
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| CN202110430670.7A CN113331923B (en) | 2021-04-21 | 2021-04-21 | Bone channel infusion device |
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| CN113331923B CN113331923B (en) | 2022-11-11 |
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Cited By (1)
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| CN114668428A (en) * | 2022-03-31 | 2022-06-28 | 四川大学华西医院 | Bone marrow puncture device |
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| CN113331923B (en) | 2022-11-11 |
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