CN209789976U - neurology artery trocar - Google Patents

neurology artery trocar Download PDF

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Publication number
CN209789976U
CN209789976U CN201920253093.7U CN201920253093U CN209789976U CN 209789976 U CN209789976 U CN 209789976U CN 201920253093 U CN201920253093 U CN 201920253093U CN 209789976 U CN209789976 U CN 209789976U
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CN
China
Prior art keywords
needle
puncture needle
trocar
puncture
indwelling
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920253093.7U
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Chinese (zh)
Inventor
郑强
李冰俭
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Individual
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Individual
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Publication date
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Priority to CN201920253093.7U priority Critical patent/CN209789976U/en
Application granted granted Critical
Publication of CN209789976U publication Critical patent/CN209789976U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

the utility model discloses a trocar, in particular to department of neurology artery trocar, include: the novel indwelling needle comprises a puncture needle and an indwelling needle, wherein the indwelling needle is sleeved on the puncture needle, the side surface of the indwelling needle is connected with a hose, the rear end of the indwelling needle is connected with a sealing block, the puncture needle penetrates through the sealing block, the tail end of the puncture needle is connected with a fin, the rear end of the sealing block is connected with a fixing block, a groove for placing the fin is formed in the fixing block, a notch is formed in the side surface of the groove, and the notch is opposite to the puncture needle. The diameter of the rear end of the puncture needle is larger than that of the front end, so when the trocar is used for puncturing the blood vessel of a patient, the remaining needle cannot move backwards relative to the puncture needle, the remaining needle can be punctured into the blood vessel more favorably, and the trocar is more reliable to use.

Description

Neurology artery trocar
Technical Field
The utility model relates to a trocar, in particular to department of neurology artery trocar belongs to medical care equipment technical field.
Background
Currently, with the development of medical technology, trocars have been widely used in clinical neurology. The trocar on the market generally divide into pjncture needle and keeps somewhere needle two parts, when the trocar used, but the pjncture needle pulls out the back, be in the tight fit with the pipe because of traditional pjncture needle and link to each other, when pulling out the pjncture needle, the pipe is easily by the pjncture needle pulling, the pipe can break away from the patient promptly, at this moment, medical personnel still need implant the pipe into the patient again internal, medical personnel's work burden has not only been increased, the misery of patient's treatment has still been increased, in view of above defect, it is necessary to design department of neurology artery trocar in.
SUMMERY OF THE UTILITY MODEL
The utility model provides an artery trocar for neurology department to solve the existing technical problems.
The utility model provides a technical scheme that its technical problem adopted is:
The utility model provides an artery trocar for neurology, include: the novel indwelling needle comprises a puncture needle and an indwelling needle, wherein the indwelling needle is sleeved on the puncture needle, the side surface of the indwelling needle is connected with a hose, the rear end of the indwelling needle is connected with a sealing block, the puncture needle penetrates through the sealing block, the tail end of the puncture needle is connected with a fin, the rear end of the sealing block is connected with a fixing block, a groove for placing the fin is formed in the fixing block, a notch is formed in the side surface of the groove, and the notch is opposite to the puncture needle.
Preferably, the grooves and the fins are the same in size and shape and are used for fixing the fins so as to fix the relative positions of the puncture needle and the indwelling needle. When the trocar needs to be pricked into a blood vessel of a patient, the puncture needle is rotated to enable the fins to be embedded in the grooves, after the trocar is pricked into the blood vessel of the patient, the puncture needle is rotated to enable the fins to be separated from the grooves, and then the puncture needle is pulled out from the gaps.
Preferably, the outer surface of the indwelling needle is provided with scales for observing whether the indwelling needle moves towards the outside of the skin, so that the indwelling needle is more intuitive.
preferably, the puncture needle comprises a needle point, a connecting part and a body, wherein the rear end of the needle point is cylindrical, the body is cylindrical, the diameter of the needle point is smaller than that of the body, the connecting part is in a cone shape, one end of the connecting part is the same as that of the needle point, the other end of the connecting part is the same as that of the body, the needle point is connected with the body through the connecting part, and the diameter of the rear end of the puncture needle is larger than that of the front end, so that the puncture needle can be more conveniently pulled out, and the puncture needle is convenient to use.
Preferably, the inner wall of the remaining needle is tightly attached to the outer wall of the puncture needle, the end part of the remaining needle is positioned outside the needle point, and the diameter of the rear end of the puncture needle is larger than that of the front end, so that when the trocar is punctured into a blood vessel of a patient, the remaining needle cannot move backwards relative to the puncture needle, and the use is more reliable.
preferably, the bottom surface of the fixing block is provided with a double-faced adhesive tape used for fixing the device on the body of a patient, and the use is convenient.
The utility model has the advantages that: the diameter of the rear end of the puncture needle is larger than that of the front end, so that when the trocar is used for puncturing the blood vessel of a patient, the indwelling needle cannot move backwards relative to the puncture needle, the indwelling needle can be punctured into the blood vessel more conveniently, and the trocar is more reliable to use; when pricking patient's blood vessel to this device, rotatory pjncture needle makes the fin inlay in the recess, can effectual fixed pjncture needle and keep somewhere the relative position of needle, and after patient's blood vessel was pricked to this device, the pjncture needle rotated, made the fin leave the recess, then from the breach take out the pjncture needle can, the sealed piece can be because the automatic pinhole of plugging up the pjncture needle of elastic effect, convenient to use, it is safer.
Drawings
The foregoing aspects and advantages of the invention will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
Fig. 1 is a schematic top view of a neurologic arterial trocar according to an embodiment of the present invention;
FIG. 2 is a top view of a neurologic arterial trocar according to an embodiment of the present invention;
Fig. 3 is a schematic bottom view of a neurologic artery trocar according to an embodiment of the present invention;
Figure 4 is a cross-sectional view of a trocar tip of a neurologic arterial trocar according to an embodiment of the present invention.
Description of reference numerals:
In fig. 1 to 4, a fixing block 1; an indwelling needle 2; a puncture needle 3; 4, graduation; a hose 5; a sealing block 6; a groove 7; a notch 8; a fin 9; a needle tip 10; a connecting portion 11; a body 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an artery trocar for neurology, include: puncture needle 3 and remaining needle 2 keep somewhere needle 2 cover on puncture needle 3, keep somewhere 2 side of needle and be connected with hose 5, keep somewhere 2 rear ends of needle and be connected with sealed piece 6, puncture needle 3 passes sealed piece 6, and the end-to-end connection of puncture needle 3 has fin 9, and 6 rear ends of sealed piece are connected with fixed block 1, are provided with the recess 7 that is used for placing fin 9 on fixed block 1, and the side of recess 7 is provided with breach 8, and breach 8 is just to puncture needle 3.
Puncture needle 3 is a metal needle, it is a flexible pipe to keep somewhere needle 2, the cavity of keeping somewhere needle 2 communicates with each other with the cavity of hose 5, hose 5 is used for connecting the transfer line, infuse the patient, sealed piece 6 is the butyl rubber of a cuboid, also can choose the rubber buffer on the ordinary infusion bottle for use, before the use, puncture needle 3 passes sealed piece 6, after extracting puncture needle 3 after the use, because sealed piece 6's elastic effect, can plug up the hole of being pricked by puncture needle 3, sealed effect has been played, fixed block 1 is the plastic block of a cuboid, fin 9 is a slice of rectangular plastic sheet.
The groove 7 and the fin 9 are the same in size and shape and are used for fixing the fin 9 and further fixing the relative positions of the puncture needle 3 and the indwelling needle 2. When the trocar needs to be inserted into a blood vessel of a patient, the puncture needle 3 is rotated to enable the fins 9 to be embedded in the grooves 7, after the trocar is inserted into the blood vessel of the patient, the puncture needle 3 is rotated to enable the fins 9 to be separated from the grooves 7, and then the puncture needle 3 is drawn out from the gap 8 to carry out infusion.
The outer surface of the indwelling needle 2 is provided with scales 4 for observing whether the indwelling needle 2 moves towards the outside of the skin, which is more intuitive.
The puncture needle 3 comprises a needle point 10, a connecting part 11 and a body 12, the rear end of the needle point 10 is cylindrical, the body 12 is cylindrical, the diameter of the needle point 10 is smaller than that of the body 12, the connecting part 11 is in a circular truncated cone shape, one end of the connecting part 11 is the same as that of the needle point 10, the other end of the connecting part 11 is the same as that of the body 12, the needle point 10 is connected with the body 12 through the connecting part 11, and the diameter of the rear end of the puncture needle 3 is larger than that of the front end, so that the puncture needle 3 can be more conveniently pulled out, and the use.
The inner wall of the remaining needle 2 is tightly attached to the outer wall of the puncture needle 3, the end part of the remaining needle 2 is positioned outside the needle point 10, and the diameter of the rear end of the puncture needle 3 is larger than that of the front end, so when the trocar is punctured into a blood vessel of a patient, the remaining needle 2 cannot move backwards relative to the puncture needle 3, and the use is more reliable.
the bottom surface of the fixed block 1 is provided with a double-sided adhesive tape which is used for fixing the device on the body of a patient and is convenient to use.
The diameter of the rear end of the puncture needle 3 is larger than that of the front end, so when the trocar is used for puncturing the blood vessel of a patient, the remaining needle 2 cannot move backwards relative to the puncture needle 3, the remaining needle 2 can be punctured into the blood vessel more conveniently, and the trocar is more reliable to use; when pricking patient's blood vessel to this device, rotatory pjncture needle 3 makes fin 9 inlay in recess 7, can effectual fixed pjncture needle 3 and keep somewhere the relative position of needle 2, prick patient's blood vessel to this device after, rotate pjncture needle 3, make fin 9 leave recess 7, then from the breach 8 take out pjncture needle 3 can, sealed piece 6 can be because the automatic pinhole of plugging up pjncture needle 3 of elastic effect, convenient to use, it is safer.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. A neurological arterial trocar comprising: puncture needle and keep somewhere needle, its characterized in that: the indwelling needle is sleeved on the puncture needle, the side face of the indwelling needle is connected with the hose, the rear end of the indwelling needle is connected with the sealing block, the puncture needle penetrates through the sealing block, the tail end of the puncture needle is connected with the fin, the rear end of the sealing block is connected with the fixing block, the fixing block is provided with a groove for placing the fin, the side face of the groove is provided with a notch, and the notch is opposite to the puncture needle.
2. The neurological arterial trocar according to claim 1, wherein: the grooves and the fins are the same in size and shape.
3. the neurological arterial trocar according to claim 1, wherein: the outer surface of the indwelling needle is provided with scales.
4. The neurological arterial trocar according to claim 1, wherein: the puncture needle comprises a needle point, a connecting part and a body, wherein the rear end of the needle point is cylindrical, the body is cylindrical, the diameter of the needle point is smaller than that of the body, the connecting part is in a circular truncated cone shape, one end of the connecting part is the same as that of the needle point, the other end of the connecting part is the same as that of the body, and the needle point is connected with the body through the connecting part.
5. The neurological arterial trocar according to claim 4, wherein: the inner wall of the remaining needle is tightly attached to the outer wall of the puncture needle, and the end part of the remaining needle is positioned on the outer side of the needle point.
6. The neurological arterial trocar according to claim 1, wherein: and the bottom surface of the fixed block is provided with a double-faced adhesive tape.
CN201920253093.7U 2019-02-28 2019-02-28 neurology artery trocar Expired - Fee Related CN209789976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920253093.7U CN209789976U (en) 2019-02-28 2019-02-28 neurology artery trocar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920253093.7U CN209789976U (en) 2019-02-28 2019-02-28 neurology artery trocar

Publications (1)

Publication Number Publication Date
CN209789976U true CN209789976U (en) 2019-12-17

Family

ID=68823411

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920253093.7U Expired - Fee Related CN209789976U (en) 2019-02-28 2019-02-28 neurology artery trocar

Country Status (1)

Country Link
CN (1) CN209789976U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191217

Termination date: 20210228

CF01 Termination of patent right due to non-payment of annual fee