CN109464720B - Anti-extravasation chemotherapy drug delivery device for medical oncology - Google Patents
Anti-extravasation chemotherapy drug delivery device for medical oncology Download PDFInfo
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- CN109464720B CN109464720B CN201811524039.8A CN201811524039A CN109464720B CN 109464720 B CN109464720 B CN 109464720B CN 201811524039 A CN201811524039 A CN 201811524039A CN 109464720 B CN109464720 B CN 109464720B
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- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
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Abstract
The invention discloses an anti-extravasation chemotherapy administration device for medical oncology, and relates to the technical field of tumor chemotherapy. This ware of dosing of preventing exosmosis chemotherapy of medical oncology, including syringe needle, extension pipe, shunt tubes, advance medicine mechanism, sealing mechanism, the centre of one end fixed connection at the syringe needle top of extension socle portion, the centre of one end fixed connection in the shunt tubes bottom of extension socle portion, advance medicine mechanism including advancing medicine pipe, support ring, fan-shaped sealed offset plate, bear the weight of the dish, interior tapping thread circle, sealing plug, the support ring sets up at the top of advancing the medicine pipe inner chamber, and the quantity of fan-shaped sealed offset plate is eight. This ware of dosing of preventing exosmosis chemotherapy of medical oncology can use fan-shaped sealed offset plate, bear the dish to fix the syringe as the fulcrum when injecting the medicine, advances medicine mechanism and takes place to drop when avoiding infusing, can accomplish to advancing the pencil and seal with the zonulae occludens of interior tapping circle, sealing plug at the infusion end simultaneously.
Description
Technical Field
The invention relates to the technical field of tumor chemotherapy, in particular to an anti-extravasation chemotherapy administration device for medical oncology.
Background
Intrathecally injecting chemotherapy drugs is one of the most effective methods for tumor chemotherapy, a patient needs to puncture the subarachnoid space of the waist for many times to release cerebrospinal fluid and inject drugs intrathecally to achieve a certain curative effect, the operation is complicated, great pain is brought to the patient, and meanwhile repeated puncture easily causes the chance of reinfection. Therefore, the existing commonly used device is an indwelling needle, but the existing indwelling needle has the following problems: (1) the indwelling needle indwelling cannula enters the artery and vein of a human body, after an operator sees blood return, the operator needs to tightly press the artery and vein with the left hand, and the right hand is quickly connected with a prepared infusion apparatus interface for infusion and blood transfusion, at the moment, if the operator does not skillfully act or tightly presses the artery and vein, blood leakage and liquid leakage can occur, the operator is easily infected, meanwhile, external bacteria can enter the body of the patient along with flowing liquid, and the consequence caused by cross infection is not imaginable; (2) the ordinary indwelling needle needs to be monitored by a specially-assigned person at the later stage of transfusion, and particularly when the transfusion is nearly finished, the ordinary indwelling needle needs to be careful and timely reminds medical staff to withdraw a transfusion device interface, otherwise, a large amount of rapid blood backflow can be caused; (3) conventional indwelling needles are usually controlled hermetically by a positive pressure valve, but between the flows of gas, external bacteria can also follow the flowing liquid into the patient, leading to cross-infection.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an anti-extravasation chemotherapy administration device for medical oncology.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a ware is dosed in exosmosis-preventing chemotherapy of medical oncology, includes syringe needle, extension pipe, shunt tubes, advances medicine mechanism, sealing mechanism, the centre of one end fixed connection at the syringe needle top of extension socle portion, the centre of one end fixed connection in the shunt tubes bottom of extension socle portion, advance medicine mechanism including advancing medicine pipe, support ring, fan-shaped sealed offset plate, bearing disc, interior thread circle of attacking, sealing plug, the support ring sets up at the top of advancing the medicine pipe inner chamber, the quantity of fan-shaped sealed offset plate is eight, the centre of one end fixed connection at bearing disc bottom of advancing medicine pipe top, interior thread circle of attacking sets up at the top of bearing disc inner chamber, the setting is in the centre of bearing disc top.
The sealing mechanism comprises a supporting column, a limiting ring, a supporting plate, an I-shaped sealing ring, a first fixing ring, an elastic leather diaphragm, a pulling cap, a connecting column, a second fixing ring and a sealing column, wherein the limiting ring is arranged in the center of the top of the supporting column, the supporting plate is arranged at the top of an inner cavity of the supporting column, the I-shaped sealing ring is arranged in the center of the top of the supporting column, the first fixing ring is arranged in the middle of the inner cavity of the supporting column, the elastic leather diaphragm is arranged inside the inner ring of the first fixing ring, the pulling cap is arranged in the center of the top of the supporting column, one end of the top of the connecting column is fixedly connected in the center of the bottom of the pulling cap, the second fixing ring is sleeved outside one end of the bottom of the connecting column, and.
Preferably, the inner chamber of extension pipe is linked together with the inner chamber of syringe needle, the centre that the one end at extension pipe top runs through the shunt tubes bottom is and extend to the inside of shunt tubes, the inner chamber of extension pipe is linked together with the inner chamber of shunt tubes, the centre that the one end at shunt tubes top runs through the support column bottom is and extend to the inside of support column, the shunt tubes closely laminates and fixed connection with the wall body of support column, the inner chamber of shunt tubes is linked together with the inner chamber of support column.
Preferably, advance the pencil setting at the top on shunt tubes right side, the one end of advancing the pencil bottom is buckled to the shunt tubes, the one end of advancing the pencil bottom runs through the outer wall of shunt tubes side and extends to the inside of shunt tubes, the wall body of advancing pencil and shunt tubes is close to laminating and fixed connection, the inner chamber of advancing the pencil is linked together with the inner chamber of shunt tubes, the one end of advancing the pencil top runs through the centre of bearing the dish bottom and extends to the inside of bearing the dish, the inner chamber of advancing the pencil is linked together with the inner chamber of bearing the dish.
Preferably, the front, the back and the left and right sides of support ring laminate into the front, the back and the left and right sides of pencil inner wall and with the inner wall fixed connection who advances the pencil, eight fan-shaped sealed offset plate distributes and laminates in proper order in the inside annular of support ring inner circle, the wall body fixed connection of fan-shaped sealed offset plate and support ring inner circle, the inner chamber that bears the dish is linked together with the external world by the centre at its top.
Preferably, the front, the back and the left and right sides laminating of interior thread ring bear the front, the back and the left and right sides of dish inner wall and with bear the inner wall fixed connection who coils, interior thread of tapping has been seted up to the wall body of interior thread ring inner circle, the outer thread of tapping has been seted up to the one end of sealing plug bottom, anti-skidding line has been seted up to the one end at sealing plug top, the one end of sealing plug bottom runs through interior thread ring and extends to the inside of bearing the dish inner chamber, the sealing plug closely laminates through threaded connection with interior thread ring, the sealing plug agrees with mutually with the inner chamber that bears the dish top.
Preferably, one end of the bottom of the limit ring penetrates through the center of the top of the support column and extends into the support column, the limit ring is tightly attached to and fixedly connected with the wall body of the support column, the front surface, the back surface, the left side and the right side of the support plate are attached to the front surface, the back surface, the left side and the right side of the inner wall of the support column and fixedly connected with the inner wall of the support column, one end of the bottom of the i-shaped seal ring penetrates through the center of the top of the support plate and extends to the outside of the bottom of the support plate, the i-shaped seal ring is tightly attached to and fixedly connected with the wall body of the support plate, and the.
Preferably, the front, the back and the left and right sides of the inner wall of the support column are attached to the front, the back and the left and right sides of the first fixing ring and are fixedly connected with the inner wall of the support column, and the front, the back and the left and right sides of the elastic leather membrane are attached to the front, the back and the left and right sides of the inner ring wall body of the first fixing ring and are fixedly connected with the inner ring wall body of the first fixing ring.
Preferably, the front surface, the back surface, the left side and the right side of the pull cap are provided with annular bearing grooves, one end of the bottom of the connecting column sequentially penetrates through the limiting ring and the I-shaped sealing ring and extends to the top of the elastic leather diaphragm, the connecting column is tightly attached to the wall body of the limiting ring, the connecting column is tightly attached to the wall body of the I-shaped sealing ring, and the wall body of the inner ring of the second fixing ring is tightly attached to the outer wall of the connecting column and fixedly connected with the outer wall of the connecting column.
Preferably, the solid fixed ring of second runs through the centre at elasticity involucra top and extends to the outside of elasticity involucra bottom, the solid fixed ring outer lane of second wall body and the close laminating of the wall body of elasticity involucra and fixed connection, the spliced pole is extended to the bottom of support column inner chamber by the solid fixed ring of second, the one end of sealed column bottom portion extends to the inside in shunt tubes inner chamber and laminates mutually with the inner wall of shunt tubes.
The invention provides an anti-extravasation chemotherapy administration device for medical oncology, which has the following beneficial effects:
(1) this ware of dosing of preventing exosmosis chemotherapy of medical oncology through the cooperation work of advancing pencil, support ring, fan-shaped sealed offset plate, bearing the dish that sets up, can use fan-shaped sealed offset plate, bearing the dish to fix the syringe as the fulcrum when injecting the medicine, advance medicine mechanism and take place to drop when avoiding infusing, simultaneously with interior thread ring, the zonulae occludens of sealing plug can accomplish to advancing the pencil and seal the infusion.
(2) The anti-extravasation chemotherapy administration device for the medical oncology is characterized in that a limiting ring and an I-shaped sealing ring are used for limiting the movement of a connecting column, a bearing groove suitable for fingers is formed in a pull cap to enable the pulling connecting column to move, the bottom of an inner cavity of a supporting column is hermetically sealed through the matching work of a first fixing ring, an elastic leather diaphragm and a second fixing ring, external bacteria are prevented from entering the interior of a shunt tube along with air flow, the sealing column enters and exits the shunt tube and a medicine inlet tube through the movement of the connecting column, after the medicine is fed through the medicine inlet tube, the sealing column is synchronously pushed to enter the shunt tube and is sealed, the blood backflow in the extension tube is avoided, meanwhile, the connecting column is limited through friction generated by the close fit of the limiting ring, the I-shaped sealing ring and the connecting column, and the sealing column is limited through friction generated by the, the connection between the sealing column and the shunt tube is not easy to separate, and the movement of the sealing column is not influenced.
Drawings
FIG. 1 is a schematic structural view in elevation of the present invention;
FIG. 2 is a schematic structural view of a front cross-sectional view of a drug feeding mechanism of the present invention;
FIG. 3 is a schematic structural view of a front cross-sectional view of the sealing mechanism of the present invention;
FIG. 4 is a schematic structural diagram of a top view of the support ring of the present invention.
In the figure: the automatic medicine feeding device comprises a needle 1, an extension tube 2, a shunt tube 3, a medicine feeding mechanism 4, a medicine feeding tube 41, a support ring 42, a sector sealing rubber plate 43, a bearing disc 44, an internal thread tapping ring 45, a sealing plug 46, a sealing mechanism 5, a support column 51, a limiting ring 52, a support plate 53, an I-shaped sealing ring 54, a first fixing ring 55, an elastic rubber membrane 56, a pull cap 57, a connecting column 58, a second fixing ring 59 and a sealing column 510.
Detailed Description
The materials, methods and apparatus used in the following examples, which are not specifically illustrated, are conventional in the art and are commercially available to those of ordinary skill in the art.
In the following description of the present invention, it is to be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1:
as shown in fig. 1-4, an anti-extravasation chemotherapy administration device for oncology comprises a needle 1, an extension tube 2, a shunt tube 3, a drug feeding mechanism 4 and a sealing mechanism 5, wherein one end of the bottom of the extension tube 2 is fixedly connected in the center of the top of the needle 1, one end of the top of the extension tube 2 is fixedly connected in the center of the bottom of the shunt tube 3, the drug feeding mechanism 4 comprises a drug feeding tube 41, a support ring 42, a fan-shaped sealing rubber plate 43, a bearing disc 44, an internal tapping thread ring 45 and a sealing plug 46, the support ring 42 is arranged at the top of the inner cavity of the drug feeding tube 41, the number of the fan-shaped sealing rubber plate 43 is eight, one end of the top of the drug feeding tube 41 is fixedly connected in the center of the bottom of the bearing disc 44, the internal tapping thread ring 45 is arranged at the top of the inner cavity of the bearing.
The sealing mechanism 5 comprises a supporting column 51, a limiting ring 52, a supporting plate 53, an I-shaped sealing ring 54, a first fixing ring 55, an elastic leather diaphragm 56, a pulling cap 57, a connecting column 58, a second fixing ring 59 and a sealing column 510, wherein the limiting ring 52 is arranged in the center of the top of the supporting column 51, the supporting plate 53 is arranged at the top of the inner cavity of the supporting column 51, the I-shaped sealing ring 54 is arranged in the center of the top of the supporting plate 53, the first fixing ring 55 is arranged in the middle of the inner cavity of the supporting column 51, the elastic leather diaphragm 56 is arranged inside the inner ring of the first fixing ring 55, the pulling cap 57 is arranged in the center of the top of the supporting column 51, one end of the top of the connecting column 58 is fixedly connected in the center of the bottom of the pulling cap 57, the second fixing ring 59 is sleeved.
Example 2:
on the basis of the embodiment 1, the inner cavity of the extension tube 2 is communicated with the inner cavity of the needle 1, one end of the top of the extension tube 2 penetrates through the center of the bottom of the shunt tube 3 and extends into the shunt tube 3, the inner cavity of the extension tube 2 is communicated with the inner cavity of the shunt tube 3, one end of the top of the shunt tube 3 penetrates through the center of the bottom of the support column 51 and extends into the support column 51, the shunt tube 3 is closely attached to and fixedly connected with the wall body of the support column 51, and the inner cavity of the shunt tube 3 is communicated with the inner cavity of the support column 51.
Example 3:
based on embodiments 1 and 2, the medicine inlet pipe 41 is arranged at the top of the right side of the shunt pipe 3, one end of the bottom of the medicine inlet pipe 41 is bent towards the shunt pipe 3, one end of the bottom of the medicine inlet pipe 41 penetrates through the outer wall of the side face of the shunt pipe 3 and extends into the shunt pipe 3, the medicine inlet pipe 41 is closely attached to and fixedly connected with the wall body of the shunt pipe 3, the inner cavity of the medicine inlet pipe 41 is communicated with the inner cavity of the shunt pipe 3, one end of the top of the medicine inlet pipe 41 penetrates through the center of the bottom of the bearing disc 44 and extends into the bearing disc 44, and the inner cavity of the medicine inlet pipe 41 is communicated with the inner cavity of the bearing.
Example 4:
on the basis of the embodiments 1 to 3, the front surface, the back surface, the left side and the right side of the support ring 42 are attached to the front surface, the back surface, the left side and the right side of the inner wall of the medicine inlet pipe 41 and fixedly connected with the inner wall of the medicine inlet pipe 41, eight fan-shaped sealing rubber plates 43 are annularly distributed inside the inner ring of the support ring 42 and are sequentially attached to each other, the fan-shaped sealing rubber plates 43 are fixedly connected with the wall body of the inner ring of the support ring 42, and the inner cavity of the bearing disc 44 is communicated with the outside from the.
Example 5:
on the basis of the embodiment 1-4, the front, the back and the left and right sides of the inner tapping ring 45 are attached to the front, the back and the left and right sides of the inner wall of the bearing disc 44 and fixedly connected with the inner wall of the bearing disc 44, the inner tapping is arranged on the wall body of the inner tapping ring 45, the outer tapping is arranged at one end of the bottom of the sealing plug 45, the anti-skid thread is arranged at one end of the top of the sealing plug 45, one end of the bottom of the sealing plug 45 penetrates through the inner tapping ring 45 and extends into the inner cavity of the bearing disc 44, the sealing plug 45 is tightly attached to the inner tapping ring 45 through threaded connection, the sealing plug 45 is engaged with the inner cavity of the top of the bearing disc 44, and the injector can be fixed by taking the fan-shaped sealing rubber plate 43 and the bearing disc 44 as a fulcrum while injecting the medicine, the medicine feeding mechanism 4 is prevented from falling off during transfusion, and the medicine feeding pipe 41 can be closed after transfusion by tightly connecting the internal tapping thread ring 45 and the sealing plug 46.
Example 6:
on the basis of the embodiments 1 to 5, one end of the bottom of the spacing ring 52 penetrates through the center of the top of the supporting column 51 and extends into the supporting column 51, the spacing ring 52 is closely attached and fixedly connected with the wall body of the supporting column 51, the front surface, the back surface, the left side and the right side of the supporting plate 53 are attached to the front surface, the back surface, the left side and the right side of the inner wall of the supporting column 51 and fixedly connected with the inner wall of the supporting column 51, one end of the bottom of the i-shaped sealing ring 54 penetrates through the center of the top of the supporting plate 53 and extends to the outside of the bottom of the supporting plate 53, the i-shaped sealing ring 54 is closely attached and fixedly connected with the wall body of the supporting plate 53.
Example 7:
in examples 1 to 6, the front surface, the back surface, and the left and right sides of the first fixing ring 55 are attached to the front surface, the back surface, and the left and right sides of the inner wall of the supporting column 51 and fixedly connected to the inner wall of the supporting column 51, and the front surface, the back surface, and the left and right sides of the elastic film 56 are attached to the front surface, the back surface, and the left and right sides of the inner ring wall body of the first fixing ring 55 and fixedly connected to the inner ring wall body of the first fixing ring.
Example 8:
on the basis of the embodiments 1 to 7, the front surface, the back surface, the left side and the right side of the pull cap 57 are provided with annular force bearing grooves, one end of the bottom of the connecting column 58 sequentially penetrates through the limiting ring 52 and the i-shaped sealing ring 54 and extends to the top of the elastic membrane 56, the connecting column 58 is tightly attached to the wall body of the limiting ring 52, the connecting column 58 is tightly attached to the wall body of the i-shaped sealing ring 54, and the wall body of the inner ring of the second fixing ring 59 is tightly attached to and fixedly connected with the outer wall of the connecting column 58.
Example 9:
on the basis of the embodiments 1 to 8, the second fixing ring 59 penetrates through the center of the top of the elastic skin 56 and extends to the outside of the bottom of the elastic skin 56, the wall body of the outer ring of the second fixing ring 59 is tightly attached and fixedly connected with the wall body of the elastic skin 56, the connecting column 58 extends from the second fixing ring 59 to the bottom of the inner cavity of the supporting column 51, one end of the bottom of the sealing column 510 extends to the inside of the inner cavity of the shunt tube 3 and is attached to the inner wall of the shunt tube 3, the movement of the connecting column 58 is limited by the limiting ring 52 and the i-shaped sealing ring 54, the pulling cap 57 is provided with a force bearing groove suitable for fingers to enable the pulling connecting column 58 to move, the bottom of the inner cavity of the supporting column 51 is hermetically sealed by the cooperation of the first fixing ring 55, the elastic skin 56 and the second fixing ring 59, so that external bacteria are prevented from entering the shunt tube 3 along with the airflow, the sealing column 510 is enabled to, after the medicine feeding tube 41 finishes administration, the sealing column 510 is synchronously pushed to enter the shunt tube 3, the shunt tube 3 is sealed, blood backflow inside the extension tube 2 is avoided, meanwhile, the connecting column 58 is limited by friction generated by close fitting of the limiting ring 52 and the I-shaped sealing ring 54 with the connecting column 58, the sealing column 510 is limited by friction generated by close fitting of the sealing column 510 and the shunt tube 3 with the connecting column 58, so that the connection between the sealing column 510 and the shunt tube 3 is not easily separated, and meanwhile, the movement of the sealing column 510 is not influenced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a ware of dosing of preventing exosmosis chemotherapy of medical oncology, includes syringe needle (1), extension pipe (2), shunt tubes (3), advances medicine mechanism (4), sealing mechanism (5), its characterized in that: one end of the bottom of the extension pipe (2) is fixedly connected to the center of the top of the needle head (1), one end of the top of the extension pipe (2) is fixedly connected to the center of the bottom of the shunt pipe (3), the medicine feeding mechanism (4) comprises a medicine feeding pipe (41), a support ring (42), fan-shaped sealing rubber plates (43), a bearing disc (44), an inner tapping thread ring (45) and a sealing plug (46), the support ring (42) is arranged at the top of the inner cavity of the medicine feeding pipe (41), the number of the fan-shaped sealing rubber plates (43) is eight, one end of the top of the medicine feeding pipe (41) is fixedly connected to the center of the bottom of the bearing disc (44), the inner tapping thread ring (45) is arranged at the top of the inner cavity of the bearing disc (44), and the sealing plug (46) is arranged at the center of the top of the bearing disc (44;
the sealing mechanism (5) comprises a supporting column (51), a limiting ring (52), a supporting plate (53), an I-shaped sealing ring (54), a first fixing ring (55), an elastic rubber membrane (56), a pull cap (57), a connecting column (58), a second fixing ring (59) and a sealing column (510), wherein the limiting ring (52) is arranged in the center of the top of the supporting column (51), the supporting plate (53) is arranged at the top of the inner cavity of the supporting column (51), the I-shaped sealing ring (54) is arranged in the center of the top of the supporting plate (53), the first fixing ring (55) is arranged in the middle of the inner cavity of the supporting column (51), the elastic rubber membrane (56) is arranged inside the inner ring of the first fixing ring (55), the pull cap (57) is arranged in the center of the top of the supporting column (51), one end of the top of the connecting column (58) is fixedly connected in the center of the bottom, the second fixing ring (59) is sleeved outside one end of the bottom of the connecting column (58), and one end of the top of the sealing column (510) is fixedly connected in the middle of the bottom of the connecting column (58).
2. The anti-extravasation chemotherapy dispenser of claim 1, wherein: the inner chamber of extension pipe (2) is linked together with the inner chamber of syringe needle (1), the one end at extension pipe (2) top runs through the centre of shunt tubes (3) bottom and extends to the inside of shunt tubes (3), the inner chamber of extension pipe (2) is linked together with the inner chamber of shunt tubes (3), the one end at shunt tubes (3) top runs through the centre of support column (51) bottom and extends to the inside of support column (51), shunt tubes (3) and the wall body of support column (51) closely laminate and fixed connection, the inner chamber of shunt tubes (3) is linked together with the inner chamber of support column (51).
3. The anti-extravasation chemotherapy dispenser of claim 2, wherein: it sets up at shunt tubes (3) right side top to advance pencil (41), the one end of advancing pencil (41) bottom is buckled to shunt tubes (3), the one end of advancing pencil (41) bottom runs through the outer wall of shunt tubes (3) side and extends to the inside of shunt tubes (3), advance the wall body hugging closely of pencil (41) and shunt tubes (3) and merge fixed connection, the inner chamber of advancing pencil (41) is linked together with the inner chamber of shunt tubes (3), the one end of advancing pencil (41) top runs through bear dish (44) bottom and extend to the inside of bearing dish (44), the inner chamber of advancing pencil (41) is linked together with the inner chamber of bearing dish (44).
4. The anti-extravasation chemotherapy dispenser of claim 3, wherein: the front, the back and the left and right sides of support ring (42) laminate into the front, the back and the left and right sides of pencil (41) inner wall and with the inner wall fixed connection who advances pencil (41), eight fan-shaped sealed offset plate (43) distribute and laminate in proper order in the inside annular of support ring (42) inner circle, the wall body fixed connection of fan-shaped sealed offset plate (43) and support ring (42) inner circle, the inner chamber that bears dish (44) is linked together with the external world by the centre at its top.
5. The anti-extravasation chemotherapy dispenser of claim 4, wherein: the front, the back and the left and right sides laminating of interior tapping circle (45) bear the front, the back and the left and right sides of dish (44) inner wall and with bear the inner wall fixed connection of dish (44), interior tapping has been seted up to the wall body of interior tapping circle (45) inner circle, outer tapping has been seted up to the one end of sealing plug (46) bottom, anti-skidding line has been seted up to the one end at sealing plug (46) top, the one end of sealing plug (46) bottom is run through interior tapping circle (45) and is extended to the inside of bearing dish (44) inner chamber, sealing plug (46) closely laminate through threaded connection with interior tapping circle (45), sealing plug (46) agree with the inner chamber that bears dish (44) top mutually.
6. The anti-extravasation chemotherapy dispenser of claim 5, wherein: one end of the bottom of the limiting ring (52) penetrates through the center of the top of the supporting column (51) and extends into the supporting column (51), the limiting ring (52) is tightly attached and fixedly connected with the wall body of the supporting column (51), the front surface, the back surface, the left side and the right side of the supporting plate (53) are attached to the front surface, the back surface, the left side and the right side of the inner wall of the supporting column (51) and fixedly connected with the inner wall of the supporting column (51), one end of the bottom of the I-shaped sealing ring (54) penetrates through the center of the top of the supporting plate (53) and extends to the outer portion of the bottom of the supporting plate (53), the I-shaped sealing ring (54) is tightly attached and fixedly connected with the wall body of the supporting plate (53), and the wall body of the supporting plate (53) extends into.
7. The anti-extravasation chemotherapy dispenser of claim 6, wherein: the front, the back and the left and right sides of the inner wall of the supporting column (51) are attached to the front, the back and the left and right sides of the first fixing ring (55) and fixedly connected with the inner wall of the supporting column (51), and the front, the back and the left and right sides of the inner ring wall body of the first fixing ring (55) are attached to the front, the back and the left and right sides of the elastic leather diaphragm (56) and fixedly connected with the inner ring wall body of the first fixing ring (55).
8. The anti-extravasation chemotherapy dispenser of claim 7, wherein: the front surface, the back surface, the left side and the right side of the pull cap (57) are provided with annular bearing grooves, one end of the bottom of the connecting column (58) sequentially penetrates through the limiting ring (52) and the I-shaped sealing ring (54) and extends to the top of the elastic leather diaphragm (56), the connecting column (58) is tightly attached to the wall body of the limiting ring (52), the connecting column (58) is tightly attached to the wall body of the I-shaped sealing ring (54), and the wall body of the inner ring of the second fixing ring (59) is tightly attached to the outer wall of the connecting column (58) and fixedly connected with the outer wall of the inner ring.
9. The anti-extravasation chemotherapy dispenser of claim 8, wherein: the centre that solid fixed ring (59) of second run through elasticity involucra (56) top and extend to the outside of elasticity involucra (56) bottom, the wall body of the solid fixed ring (59) outer lane of second closely laminates and fixed connection with the wall body of elasticity involucra (56), spliced pole (58) are extended to the bottom of support column (51) inner chamber by solid fixed ring (59) of second, the one end of sealed post (510) bottom extends to the inside of shunt tubes (3) inner chamber and laminates mutually with the inner wall of shunt tubes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524039.8A CN109464720B (en) | 2018-12-13 | 2018-12-13 | Anti-extravasation chemotherapy drug delivery device for medical oncology |
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| CN201811524039.8A CN109464720B (en) | 2018-12-13 | 2018-12-13 | Anti-extravasation chemotherapy drug delivery device for medical oncology |
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| CN109464720B true CN109464720B (en) | 2021-04-30 |
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| KR101838631B1 (en) * | 2016-11-03 | 2018-04-26 | 서울대학교 산학협력단 | Automatic recharging micro-jet drug injection device preventing jet speed down problem of repeated injection |
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| EP0705645B1 (en) * | 1994-10-03 | 2000-03-22 | Daniel Py | Pump without dead volume for delivering a fluid |
| CN2488518Y (en) * | 2001-07-26 | 2002-05-01 | 王锦淇 | Disposable electric automatic controlled liquid-filling pump |
| CN2907727Y (en) * | 2006-06-06 | 2007-06-06 | 威海洁瑞医用制品有限公司 | Single wing safety vein retaining needle |
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| CN102625719A (en) * | 2009-07-29 | 2012-08-01 | 康尔福盛303公司 | System and method for pumping intravenous fluid |
| CN208017870U (en) * | 2017-06-15 | 2018-10-30 | 山东威高集团医用高分子制品股份有限公司 | Infusion pump dosing valve for preventing reverse-flow |
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| CN109464720A (en) | 2019-03-15 |
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