CN219517405U - Novel arteriovenous indwelling needle - Google Patents
Novel arteriovenous indwelling needle Download PDFInfo
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- CN219517405U CN219517405U CN202222514164.9U CN202222514164U CN219517405U CN 219517405 U CN219517405 U CN 219517405U CN 202222514164 U CN202222514164 U CN 202222514164U CN 219517405 U CN219517405 U CN 219517405U
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- tube
- infusion
- needle
- blood collecting
- blood
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The utility model discloses a novel arteriovenous indwelling needle which comprises a puncture needle tube, a blood collection tube, a soft needle, a transfusion tube, a connecting unit, a transfusion extension tube, a transfusion connector and a white isolation plug; the utility model pierces into the blood vessel of human body by piercing needle tube, collects the blood generated when the needle tube pierces into the blood vessel by collecting blood vessel, stays in the blood vessel of human body by soft needle, connects the external infusion bottle by infusion tube, connects the infusion tube and the blood collecting vessel by connecting unit, prolongs the infusion tube by infusion extension tube, connects the external infusion bottle by infusion connector, seals the space between the infusion tube and the connecting unit after the needle tube pierces into the infusion tube to withdraw, and prevents liquid from exposing.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a novel arteriovenous indwelling needle.
Background
The use of the arteriovenous indwelling needle can reduce the pain and fear of the patient caused by repeated venipuncture, lighten the dysphoria emotion of the patient and family members, facilitate clinical medication, rescue medication of emergency and critical patients, lighten the workload of nurses and reduce the pain of the patient, so that the arteriovenous indwelling needle is widely applied in clinic.
Through retrieving, the bulletin number is CN 212593346U, the name is a novel arteriovenous keep-alive needle, this patent is novel arteriovenous keep-alive needle is through using Y interface and extension tube, white isolation plug in the cooperation Y interface, avoid blood to leak outward after arterial puncture is accomplished, reduce medical staff's risk of infecting blood source sexual transmission disease, improve medical staff's security, through the inside fixedly connected with limit button of protective cover, the ring channel of cooperation steel needle surface, safety cover lock is connected in the syringe needle department of steel needle core when extracting the steel needle core, avoid medical staff to be stabbed when using, improve medical staff's convenience of use, through the fixed surface at Y interface is connected with the winged, conveniently carry out the pad to keep-alive needle, avoid keeping somewhere needle long-time oppression patient's skin, the cotton pad of cooperation winged bottom, improve the gas permeability of winged, thereby improve the travelling comfort of keeping somewhere needle use.
However, there is no positioning device between the steel needle core and the soft needle, and when the steel needle core is penetrated into or pulled out of the body of a patient, the steel needle core and the soft needle may rotate, so that the patient is injured, and unpredictable results are caused.
Disclosure of Invention
In view of the problems existing in the prior art, the utility model discloses a novel arteriovenous indwelling needle, which adopts the technical scheme that the novel arteriovenous indwelling needle comprises a puncture needle tube, a blood collection tube, a soft needle, a transfusion tube, a connecting unit, a transfusion extension tube, a transfusion connector and a white isolation plug; the front end of the puncture needle tube is designed as an oblique incision; the blood collecting tube is in a hollow cylinder shape, and the center of the front surface of the blood collecting tube is connected with the rear end of the penetrating needle tube and is communicated with the penetrating needle tube; the soft needle is perfectly and movably sleeved on the penetrating needle tube, and the front end of the penetrating needle tube is exposed from the front end of the soft needle; the infusion tube is of a cylindrical structure with an opening at the rear part, the center of the front surface of the infusion tube is connected with the rear end of the soft needle and is communicated with the soft needle, and the rear end of the infusion tube is connected with the front end of the blood collecting tube through a connecting unit; one end of the infusion extension tube is connected with the inside of the infusion tube, and the other end of the infusion tube is fixedly provided with an infusion connector; the white isolation plug is fixedly arranged in the blood collection tube and is positioned between the infusion tube and the connecting unit, the white isolation plug is tightly connected with the puncture needle tube, the puncture needle tube is used for puncturing into a blood vessel of a human body, blood generated when the puncture needle tube is punctured into the blood vessel is collected through the blood collection tube, the blood is reserved in the blood vessel of the human body through the soft needle, the infusion tube is used for connecting an external infusion bottle, the connecting unit is used for positioning and connecting the infusion tube and the blood collection tube, the infusion tube is prolonged through the infusion extension tube, the external infusion bottle is connected through the infusion connector, the infusion tube is sealed with the connecting unit after the puncture needle tube is pulled out of the infusion tube through the white isolation plug, and liquid is prevented from being exposed.
As a novel arteriovenous indwelling needle of the utility model, the side surface of the infusion tube is fixedly provided with two fixing wing plates, the two fixing wing plates are respectively positioned on the left side surface and the right side surface of the infusion tube, and the infusion tube is fixed on the skin of a patient by matching with an external adhesive tape through the fixing wing plates, so that the infusion tube is prevented from rotating, and the soft needle is prevented from rotating in the blood vessel of the patient.
As a novel arteriovenous indwelling needle, the side face of the blood collecting tube is fixedly provided with two pushing plates, the two pushing plates are respectively positioned on the left side face and the right side face of the blood collecting tube and are parallel to the fixed wing plates, the front end side face of the blood collecting tube is fixedly provided with a clamping ring, the front side face of the blood collecting tube is fixedly provided with two limiting plates, the two limiting plates are respectively positioned on the left side face and the right side face of the needle tube, the blood collecting tube and the connecting unit are conveniently separated through the pushing plates, the connecting unit is connected through the clamping ring, and the connecting position between the blood collecting tube and the connecting unit is positioned through the limiting plates.
As a novel arteriovenous indwelling needle preferred technical scheme, the connecting unit comprises a communicating cylinder, an inserting groove and a fixing ring groove, wherein the communicating cylinder is in a cylinder shape, the front side surface of the communicating cylinder is connected with the rear end of a transfusion tube, the communicating cylinder and the transfusion tube are coaxial, the inserting groove is formed in the center of the inside of the communicating cylinder from front to back, a penetrating needle tube can perfectly penetrate the inserting groove, the limiting plate can be perfectly inserted into the inserting groove, the fixing ring groove is formed in the inner side surface of the rear end of the communicating cylinder, the fixing ring groove is matched with the clamping ring, and the limiting plate is matched with the inserting groove to position the mounting position of a blood collecting tube, so that the penetrating needle tube cannot rotate when the penetrating needle tube is inserted into or pulled out, the clamping ring is matched with the fixing ring groove, the rear side of the communicating cylinder is clamped with the clamping ring, and the communicating cylinder and the blood collecting tube are connected.
As a novel arteriovenous indwelling needle preferred technical scheme, the blood collecting tube, the soft needle and the infusion tube are made of transparent materials, the infusion extension tube is a transparent hose, and the infusion connector is a tee joint or a double-way connector.
The utility model has the beneficial effects that: the utility model pierces into the blood vessel of the human body through the needle tube, collect the blood produced when the needle tube pierces into the blood vessel through the blood collection tube, stay in the blood vessel of the human body through the soft needle, connect the external infusion bottle through the infusion tube, position and connect between the infusion tube and the blood collection tube through the connection unit, lengthen the infusion tube through the infusion extension tube, connect the external infusion bottle through the infusion connector, seal between the infusion tube and the connection unit after the needle tube is taken out of the infusion tube through the white isolation plug, prevent the liquid from exposing, cooperate with the external adhesive tape on the skin of the patient through the fixed wing plate, prevent the infusion tube from rotating, thus prevent the soft needle from rotating in the blood vessel of the patient, conveniently separate the blood collection tube from the connection unit through the pushing plate, connect the connection unit through the clamping ring, position the connection position between the blood collection tube and the connection unit through the limiting plate, position the limit plate is cooperated through the insertion slot, thereby position the installation position of the blood collection tube, thus make the needle tube unable rotate when inserting and withdrawing the needle tube, seal the connection post body, and connect the blood collection post body after connecting the clamping ring through the clamping connection post.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a separation structure according to the present utility model;
FIG. 3 is a schematic view of the internal structure of the infusion tube of the present utility model;
fig. 4 is a schematic structural view of a connection unit according to the present utility model.
In the figure: 1-puncture needle tube, 2-blood collecting tube, 201-pushing plate, 202-clamping ring, 203-limiting plate, 3-soft needle, 4-infusion tube, 401-fixing wing plate, 5-connecting unit, 51-connecting column, 52-inserting groove, 53-fixing ring groove, 6-infusion extension tube, 7-infusion connector and 8-white isolation plug.
Detailed Description
Example 1
As shown in fig. 1 to 4, the utility model discloses a novel arteriovenous indwelling needle, which adopts the technical scheme that the novel arteriovenous indwelling needle comprises a puncture needle tube 1, a blood collecting tube 2, a soft needle 3, a transfusion tube 4, a connecting unit 5, a transfusion extension tube 6, a transfusion connector 7 and a white isolation plug 8; the front end of the puncture needle tube 1 is designed into an oblique incision; the blood collecting tube 2 is in a hollow cylinder shape, and the center of the front surface of the blood collecting tube 2 is connected with the rear end of the penetrating needle tube 1 and is communicated with the penetrating needle tube 1; the soft needle 3 is perfectly and movably sleeved on the penetrating needle tube 1, and the front end of the penetrating needle tube 1 is exposed from the front end of the soft needle 3; the infusion tube 4 is of a cylindrical structure with an opening at the rear part, the center of the front surface of the infusion tube 4 is connected with the rear end of the soft needle 3 and is communicated with the soft needle 3, and the rear end of the infusion tube 4 is connected with the front end of the blood collecting tube 2 through a connecting unit 5; one end of the infusion extension tube 6 is connected with the inside of the infusion tube 4, and the other end of the infusion tube 4 is fixedly provided with an infusion connector 7; the white isolation plug 8 is fixedly arranged in the blood collection tube 2 and is positioned between the infusion tube 4 and the connecting unit 5, the white isolation plug 8 is tightly connected with the puncture needle tube 1, the puncture needle tube 1 is used for puncturing a blood vessel of a human body, blood generated when the puncture needle tube 1 is used for puncturing the blood vessel is collected through the blood collection tube 2, the soft needle 3 is used for remaining in the blood vessel of the human body, the connection of an external infusion bottle is carried out through the infusion tube 4, the connecting unit 5 is used for positioning and connecting the infusion tube 4 and the blood collection tube 2, the infusion tube 4 is prolonged through the infusion extension tube 6, the external infusion bottle is connected through the infusion connector 7, the white isolation plug 8 is used for sealing the space between the infusion tube 4 and the connecting unit 5 after the puncture needle tube 1 is pulled out of the infusion tube 4, the liquid is prevented from being exposed, the fixing wing plate 401 is fixedly arranged on the side surface of the infusion tube 4, the two fixing wings 401 are respectively positioned on the left side surface and the right side surface of the infusion tube 4, the infusion tube 4 is fixed on the skin of a patient through the fixing wings 401 by matching with an external adhesive tape, the infusion tube 4 is prevented from rotating, so that the soft needle 3 is prevented from rotating in the blood vessel of the patient, the blood collection tube 2, the soft needle 3 and the infusion tube 4 are made of transparent materials, the infusion extension tube 6 is a transparent hose, the infusion connector 7 is a tee joint or a double-way connector, the connecting unit 5 is grasped, the puncture needle tube 1 and the hose 3 are punctured into the artery or vein of the patient together, blood in the patient flows back into the blood collection tube 2, after the blood pressure in the patient and the pressure in the blood collection tube 2 reach balance, the blood stops flowing back, the blood drawing is completed, the connecting unit 5 is separated from the blood collection tube 2, the puncture needle tube 1 is drawn from the hose 3 and the infusion tube 4, the white isolating plug 8 separates the connecting unit 5 from the infusion tube 4 to prevent blood from exposing, the infusion connector 7 is connected with an external infusion tube, and the conveyed liquid medicine enters the infusion tube 4 through the infusion extension tube 6 and then enters the blood vessel of a patient through the soft needle 3.
As a preferred technical scheme of the novel arteriovenous indwelling needle, two pushing plates 201 are fixedly arranged on the side surfaces of the blood collecting tube 2, two pushing plates 201 are arranged, two pushing plates 201 are respectively arranged on the left side surface and the right side surface of the blood collecting tube 2 and are parallel to the fixed wing plates 401, a clamping ring 202 is fixedly arranged on the front end side surface of the blood collecting tube 2, a limiting plate 203 is fixedly arranged on the front side surface of the blood collecting tube 2, two limiting plates 203 are respectively arranged on the left side surface and the right side surface of the puncture needle tube 1, the blood collecting tube 2 is conveniently separated from the connecting unit 5 through the pushing plates 201, the connecting unit 5 is connected through the clamping ring 202, the connecting position between the blood collecting tube 2 and the connecting unit 5 is positioned through the limiting plates 203, the connecting unit 5 comprises a communicating cylinder 51, an inserting groove 52 and a fixing ring groove 53, the communicating cylinder 51 is cylindrical, the front side of the communicating cylinder 51 is connected with the rear end of the infusion tube 4, the communicating cylinder 51 is coaxial with the infusion tube 4, the inserting groove 52 is formed in the center of the inside of the communicating cylinder 51 from front to back, the penetrating needle tube 1 can perfectly penetrate through the inserting groove 52, the limiting plate 203 can be perfectly inserted into the inserting groove 52, the fixing ring groove 53 is formed on the inner side of the rear end of the communicating cylinder 51, the fixing ring groove 53 is matched with the clamping ring 202, the inserting groove 52 is matched with the limiting plate 203 to position the mounting position of the blood collecting tube 2, so that the penetrating needle tube 1 does not rotate when the penetrating needle tube 1 is inserted and pulled out, the clamping ring 202 is matched and arranged through the fixing ring groove 53, the rear side of the communicating cylinder 51 is clamped with the clamping ring 202, and then the communicating cylinder 51 and the blood collecting tube 2 are connected, one hand holds the communicating cylinder 51, the other hand grabs the pushing plate 201 to pull backwards, the clamping ring 202 is separated from the fixing ring groove 53, the limiting plate 203 is separated from the inserting groove 52, and the penetrating needle tube 1 is prevented from overturning when being separated from the soft needle 3.
The working principle of the utility model is as follows: the connecting column 51 is grasped, the penetrating needle tube 1 and the hose 3 are penetrated into the artery or vein of a patient together, blood in the patient flows back into the blood collection tube 2, after the blood pressure in the patient and the pressure in the blood collection tube 2 reach balance, the blood stops flowing back, blood drawing is completed, the connecting column 51 is held by one hand, the pushing plate 201 is grasped by the other hand and pulled backwards, the clamping ring 202 is separated from the fixing ring groove 53, the limiting plate 203 is separated from the inserting groove 52, the penetrating needle tube 1 is prevented from being overturned when the penetrating needle tube 1 is separated from the soft needle 3, the penetrating needle tube 1 is pulled out of the hose 3 and the infusion tube 4, the white isolation plug 8 separates between the connecting unit 5 and the infusion tube 4, the blood is prevented from being exposed, the infusion connector 7 is connected with the external infusion tube, and the conveyed liquid medicine enters the infusion tube 4 through the infusion extension tube 6 and then enters the blood vessel of the patient through the soft needle 3.
The components not described in detail herein are prior art.
Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.
Claims (2)
1. The novel arteriovenous indwelling needle is characterized by comprising a puncture needle tube (1), a blood collecting tube (2), a soft needle (3), a transfusion tube (4), a connecting unit (5), a transfusion extension tube (6), a transfusion connector (7) and a white isolation plug (8); the front end of the puncture needle tube (1) is designed as an oblique incision; the blood collecting tube (2) is in a hollow cylinder shape, and the center of the front surface of the blood collecting tube (2) is connected with the rear end of the penetrating needle tube (1) and is communicated with the penetrating needle tube (1); the soft needle (3) is perfectly and movably sleeved on the penetrating needle tube (1), and the front end of the penetrating needle tube (1) is exposed from the front end of the soft needle (3); the infusion tube (4) is of a cylindrical structure with an opening at the rear part, the center of the front surface of the infusion tube (4) is connected with the rear end of the soft needle (3) and is communicated with the soft needle (3), and the rear end of the infusion tube (4) is connected with the front end of the blood collecting tube (2) through the connecting unit (5); one end of the infusion extension tube (6) is connected with the inside of the infusion tube (4), and the other end of the infusion tube (4) is fixedly provided with an infusion connector (7); the white isolation plug (8) is fixedly arranged in the blood collecting tube (2) and is positioned between the infusion tube (4) and the connecting unit (5), and the white isolation plug (8) is tightly connected with the puncture needle tube (1); the side surface of the infusion tube (4) is fixedly provided with two fixing wing plates (401), and the two fixing wing plates (401) are respectively positioned on the left side surface and the right side surface of the infusion tube (4); the device is characterized in that pushing plates (201) are fixedly arranged on the side faces of the blood collecting tube (2), the number of the pushing plates (201) is two, the pushing plates (201) are respectively arranged on the left side face and the right side face of the blood collecting tube (2) and are parallel to the fixed wing plates (401), a clamping ring (202) is fixedly arranged on the front end side face of the blood collecting tube (2), limiting plates (203) are fixedly arranged on the front side face of the blood collecting tube (2), the number of the limiting plates (203) is two, and the two limiting plates (203) are respectively arranged on the left side face and the right side face of the puncture needle tube (1); the connecting unit (5) comprises a communicating cylinder (51), an inserting groove (52) and a fixing ring groove (53), wherein the communicating cylinder (51) is in a cylinder shape, the front side surface of the communicating cylinder (51) is connected with the rear end of the infusion tube (4), the communicating cylinder (51) is coaxial with the infusion tube (4), the inserting groove (52) is formed in the center of the inside of the communicating cylinder (51) from front to back, the penetrating needle tube (1) can perfectly penetrate the inserting groove (52), the limiting plate (203) can be perfectly inserted into the inserting groove (52), the fixing ring groove (53) is formed in the inner side surface of the rear end of the communicating cylinder (51), and the fixing ring groove (53) is matched with the clamping ring (202).
2. The novel arteriovenous indwelling needle according to claim 1, wherein: the blood collecting tube (2), the soft needle (3) and the infusion tube (4) are made of transparent materials, the infusion extension tube (6) is a transparent hose, and the infusion connector (7) is a tee joint or a double-way connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222514164.9U CN219517405U (en) | 2022-09-22 | 2022-09-22 | Novel arteriovenous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222514164.9U CN219517405U (en) | 2022-09-22 | 2022-09-22 | Novel arteriovenous indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219517405U true CN219517405U (en) | 2023-08-15 |
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ID=87635060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222514164.9U Active CN219517405U (en) | 2022-09-22 | 2022-09-22 | Novel arteriovenous indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219517405U (en) |
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2022
- 2022-09-22 CN CN202222514164.9U patent/CN219517405U/en active Active
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