CN213430443U

CN213430443U - Neurology artery trocar

Info

Publication number: CN213430443U
Application number: CN202021412233.XU
Authority: CN
Inventors: 孙鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-06-15
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to a trocar technical field, concretely relates to department of neurology artery trocar, including the needle body module, needle body module sliding connection has the assistant thorn module, it is connected with adjusting module to assist the thorn module to rotate, it includes the guide block to assist the thorn module, guide block top surface central point puts the department and has seted up the guiding groove, guide block bottom surface one end fixedly connected with connecting block. The utility model discloses in, seted up the guiding groove through the guide block, the needle body module can be placed on the guiding groove, can follow guiding groove and promote ejector pad and needle body module downwards, puncture, because the ejector pad can block the needle body module, the puncture process will be very stable, the process of conveniently puncturing, after the puncture, medical personnel can both hands use bandage etc. to cover the puncture position, convenient operation, medical personnel can touch the position of puncture through the position of patient's arm through the locating lever, the going on of convenient puncture.

Description

Neurology artery trocar

Technical Field

The utility model relates to a trocar technical field, concretely relates to department of neurology artery trocar.

Background

The trocar comprises a soft cannula which can be detained in the blood vessel and a stainless steel puncture guiding needle core. When in use, the cannula and the needle core are punctured into a blood vessel together, after the cannula completely enters the blood vessel, the needle core is withdrawn, and only the soft cannula is detained in the blood vessel to take blood or transfuse, wherein the detained time of the cannula is generally 3-5 days, and the longest time is not more than 7 days. The trocar can avoid the pain of the patient caused by multiple times of puncture in a short time, and the pain caused by the blood sampling or transfusion of the hose is smaller than that of a steel needle, so that the patient feels comfortable.

When the existing trocar is used, a medical worker holds the cannula to perform arterial puncture on a patient, during puncture, the medical worker only holds the puncture direction and angle by self experience, the puncture process is unstable, and after the puncture is finished, a bandage and the like are needed to cover the puncture part, at the moment, the trocar is held, the bandage and the like are inconvenient to use, and inconvenience is brought to the puncture process.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model aims to provide a department of neurology artery trocar, the guiding groove has been seted up through the guide block, the needle body module can be placed on the guiding groove, screw the screw fixation guide block after, can follow guiding groove and promote ejector pad and needle body module downwards, puncture, because the ejector pad can block the needle body module, the puncture process will be very stable, make things convenient for going on of puncture process, after the puncture, medical personnel can both hands use bandage etc. to hide the puncture position, convenient operation.

The purpose of the utility model can be realized by the following technical scheme:

an artery trocar for neurology department comprises a needle body module, wherein the needle body module is connected with an auxiliary thorn module in a sliding mode, the auxiliary thorn module is connected with an adjusting module in a rotating mode, the auxiliary thorn module comprises a guide block, a guide groove is formed in the center of the top surface of the guide block, the needle body module can be placed on the guide groove, one end of the bottom surface of the guide block is fixedly connected with a connecting block, clamping grooves are formed in two sides of one end, located at the end opposite to the clamping grooves, of the top surface of the guide block, L-shaped grooves are formed in two sides of one end, located at the opposite end to the clamping grooves, of the top surface of the guide block, a push block is connected with the top surface of the guide block in a sliding mode, L-shaped blocks are fixedly connected with two sides of the bottom surface of the push block, the needle body module;

the adjusting module comprises a supporting block, a connecting groove is formed in the side face of the supporting block, a fixed rod is fixedly connected with the connecting groove, the fixed rod is connected with a connecting block in a rotating mode, the assistant thorn module can rotate by taking the fixed rod as a center, the pricking angle of the assistant thorn module is adjusted, a first limiting groove and a second limiting groove are formed in two opposite faces of the inner side of the supporting block respectively, a first limiting groove and a second limiting groove are fixedly connected with sliding blocks, a sliding block located on one side of the first limiting groove is connected with a screw in a rotating mode, the position of the sliding block can be fixed by the aid of the screw, the screw is located outside the supporting block, the two sliding blocks are fixedly connected with connecting rods on opposite faces, the two connecting rods are respectively connected with two connecting seats in.

Further, the method comprises the following steps: the needle body module comprises a tube body, the tube body is fixedly connected with a remaining needle tube, a puncture needle core is slidably connected inside the remaining needle tube, the puncture needle core can be driven to be kept in the remaining needle tube to penetrate into an artery, the puncture needle core is located at one end of the remaining needle tube relatively and fixedly connected with a puncture needle block, the puncture needle core can be pulled out through the puncture needle block, a catheter is fixedly connected with the side wall of the tube body, the catheter is fixedly sleeved with a hose, the outer side wall of the hose is slidably connected with a hemostatic clamp, and blood collection can be stopped through the hemostatic.

Further, the method comprises the following steps: the guide block is matched with a positioning block, two fixing blocks are fixedly connected to two ends of the bottom of the inner side wall of the positioning block respectively, a round rod is fixedly connected to the fixing blocks, a positioning rod is slidably connected to the round rod, clamping blocks are fixedly connected to two ends of the bottom surface of the positioning block respectively, and the clamping blocks can be clamped into the clamping grooves.

Further, the method comprises the following steps: the bandage is fixedly connected to both ends of the bottom surface of the supporting block, and the bandage can fix the adjusting module on the arm of the patient.

Further, the method comprises the following steps: the diameter of the cross section circle of the tube body at one end of the puncture needle block is equal to the diameter of the cross section arc of the guide groove.

Further, the method comprises the following steps: the cross section profile of L type groove is the same with the cross section profile of L type piece, ensures that L type groove and L type piece sliding connection back, and the ejector pad can not rock.

The utility model has the advantages that:

1. the needle body module can be placed on the guide groove through the guide block which is provided with the guide groove and an L-shaped groove, the guide block is connected with a push block in a sliding way, the push block is fixedly connected with the L-shaped block which is connected with the L-shaped groove in a sliding way, the push block can clamp the needle body module, the needle body module can move downwards along the guide groove to puncture, the guide block is fixedly connected with a connecting seat and a connecting block, a bandage is fixedly connected with the supporting block, the supporting block can be fixed on the arm of a patient through the bandage, the supporting block is provided with a connecting groove, the connecting groove is fixedly connected with a fixed rod which is rotatably connected with the connecting block, the guide block can rotate by taking the fixed rod as the center, the supporting block is provided with a first limit groove and a second limit groove, the first limit groove and the second limit groove are fixedly, therefore, the angle of puncture is adjusted, after the guide block is fixed by screwing the screw, the push block and the needle body module can be pushed downwards along the guide groove to puncture, the needle body module can be clamped by the push block, the puncture process can be very stable, the puncture process is convenient to carry out, and after the puncture is finished, the needle body module is fixed by the push block, so that medical personnel can shield the puncture part by using bandages and the like with both hands, and the operation is convenient;

2. through the supporting locating piece that has attached of guide block, locating piece fixedly connected with fixed block, fixed block fixedly connected with round bar, round bar sliding connection has the locating lever, locating piece fixedly connected with fixture block, the draw-in groove has been seted up to the guide block, can put the locating piece on the top surface of guide block before the puncture to advance the fixture block card into the draw-in groove, during the angle of adjustment guide block, the locating lever can be slided downwards and touch patient's arm, medical personnel can see the position of puncture through the locating lever like this, the going on of convenient puncture.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a neurology artery trocar of the present invention;

fig. 2 is a schematic structural view of a needle body module of an arterial trocar for neurology of the utility model;

FIG. 3 is a schematic structural view of an assistant puncture module of a neurological artery trocar according to the present invention;

FIG. 4 is a schematic view of the bottom structure of the assistant puncture module of the neurological artery trocar of the present invention;

FIG. 5 is a schematic view of a positioning block of the neurological artery trocar of the present invention;

FIG. 6 is a schematic view of the push block of the artery trocar for neurology department of the present invention;

fig. 7 is a schematic structural diagram of an adjusting module of the neurological artery trocar of the present invention.

In the figure: 100. a needle body module; 110. an indwelling needle tube; 120. a puncture needle core; 130. a pipe body; 140. puncturing a needle block; 150. a hose; 160. a hemostatic clamp; 170. a conduit; 200. an auxiliary thorn module; 210. a guide block; 211. a card slot; 212. an L-shaped groove; 220. connecting blocks; 230. positioning blocks; 231. a clamping block; 232. positioning a rod; 233. a round bar; 234. a fixed block; 240. a push block; 241. an L-shaped block; 250. a connecting seat; 300. an adjustment module; 310. fixing the rod; 320. connecting grooves; 330. binding bands; 340. a screw; 350. a slider; 360. a first limiting groove; 370. a support block; 380. a second limiting groove; 390. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, a neurological artery trocar comprises a needle body module 100, an assistant module 200 slidably connected to the needle body module 100, an adjusting module 300 rotatably connected to the assistant module 200, the assistant module 200 including a guide block 210, a guide groove formed in the center of the top surface of the guide block 210, the needle body module 100 can be placed on the guiding groove, one end of the bottom surface of the guide block 210 is fixedly connected with the connecting block 220, the two sides of the top surface of the guide block 210, which are positioned at one end of the connecting block 220, are respectively provided with the clamping groove 211, the two sides of the top surface of the guide block 210, which are positioned at one end opposite to the clamping grooves 211, are respectively provided with the L-shaped groove 212, the top surface of the guide block 210 is slidably connected with the push block 240, the two sides of the bottom surface of the push block 240 are respectively fixedly connected with the L-shaped block 241, the L-, the push block 240 can clamp the needle body module 100, and the central positions of both sides of the bottom surface of the guide block 210 are fixedly connected with the connecting seats 250;

the adjusting module 300 comprises a supporting block 370, the side surface of the supporting block 370 is provided with a connecting groove 320, the connecting groove 320 is fixedly connected with a fixed rod 310, the fixed rod 310 is rotatably connected with a connecting block 220, the assistant thorn module 200 can rotate by taking the fixed rod 310 as a center to adjust the piercing angle of the assistant thorn module 200, two opposite surfaces of the inner side of the supporting block 370 are respectively provided with a first limiting groove 360 and a second limiting groove 380, the first limiting groove 360 and the second limiting groove 380 are both fixedly connected with a sliding block 350, the sliding block 350 positioned at one side of the first limiting groove 360 is rotatably connected with a screw 340, the position of the sliding block 350 can be fixed by screwing the screw 340, the screw 340 is positioned outside the supporting block 370, opposite surfaces of the two sliding blocks 350 are both fixedly connected with, the angle of the sprint module 200 can be fixed by fixing the position of the slider 350 and the connection link 390.

The needle body module 100 comprises a tube body 130, the tube body 130 is fixedly connected with an indwelling needle tube 110, the indwelling needle tube 110 is internally and slidably connected with a puncture needle core 120, the puncture needle core 120 can be used for driving the indwelling needle tube 110 to puncture an artery, the puncture needle core 120 is positioned at one end of the indwelling needle tube 110 relatively and fixedly connected with a puncture needle block 140, the puncture needle core 120 can be pulled out through the puncture needle block 140, the side wall of the tube body 130 is fixedly connected with a catheter 170, the catheter 170 is fixedly sleeved with a hose 150, the outer side wall of the hose 150 is slidably connected with a hemostatic clamp 160, and the clamping of.

The guide block 210 is matched with a positioning block 230, two ends of the bottom of the inner side wall of the positioning block 230 are fixedly connected with fixing blocks 234, the two fixing blocks 234 are fixedly connected with round rods 233, the round rods 233 are slidably connected with positioning rods 232, two ends of the bottom surface of the positioning block 230 are fixedly connected with clamping blocks 231, and the clamping blocks 231 can be clamped into the clamping grooves 211. The two ends of the bottom surface of the supporting block 370 are both fixedly connected with the binding band 330, and the adjusting module 300 can be fixed on the arm of the patient by the binding band 330. The diameter of the cross-sectional circle of the tube 130 at the end of the piercing block 140 is equal to the diameter of the cross-sectional arc of the guide channel. The cross section profile of the L-shaped groove 212 is the same as that of the L-shaped block 241, so that the push block 240 cannot shake after the L-shaped groove 212 is slidably connected with the L-shaped block 241.

Before the puncture, can advance draw-in groove 211 with fixture block 231 card, at this moment after the adjustment is assisted thorn module 200 to suitable angle, locating lever 232 can touch patient's skin under the effect of self gravity, can learn the position that will puncture through the position that locating lever 232 touched, is convenient for adjust adjusting module 300's position, makes the puncture that medical personnel can be accurate suitable puncture position.

The working principle is as follows: when the needle body module puncture outfit is used, the screw 340 is unscrewed, the positioning block 230 is placed on the top surface of the guide block 210, the clamping block 231 is clamped into the clamping groove 211, the supporting block 370 is placed on the arm of a patient, the angle of the guide block 210 is adjusted, the needle body module 100 has a proper puncture angle, the screw 340 is screwed, the positioning rod 232 can slide downwards under the action of self gravity to touch the arm of the patient, the position of the supporting block 370 and the angle of the guide block 210 are adjusted to enable the position of the positioning rod 232 touching the arm of the patient to be coincident with the part to be punctured, the bandage 330 is tied on the arm of the patient, the position of the adjusting module 300 is fixed, the positioning block 230 is taken down, the pushing block 240 is moved to be separated from the guide block 210, the needle body module 100 is placed in the guide groove, the L-shaped block 241 is moved into the L-shaped groove 212, the pushing block 240 is enabled to clamp the needle body module 100, after the puncture is finished, the pushing block 240 is moved upwards to be separated from the guide block 210, the puncture needle block 140 is pinched, the puncture needle core 120 is pulled out, the indwelling needle tube 110 is left in the artery, the L-shaped block 241 is moved into the L-shaped groove 212 again, the pushing block 240 clamps the needle body module 100, then the puncture part can be blocked by using alcohol sponge or bandage and the like, the pushing block 240 is moved to be separated from the needle body module 100, the bandage 330 is loosened, the assistant puncture module 200 and the adjusting module 300 are separated, the hemostatic clamp 160 can be loosened to carry out blood collection operation, the hemostatic clamp 160 clamps the hose 150 again after the blood collection is finished, and then the needle body module 100 can be fixed on the arm of a patient by using adhesive tape and the like.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides an artery trocar for neurology department, includes needle body module (100), its characterized in that, needle body module (100) sliding connection has supplementary thorn module (200), supplementary thorn module (200) rotates and is connected with adjusting module (300), supplementary thorn module (200) includes guide block (210), guide slot has been seted up to guide block (210) top surface central point department, guide block (210) bottom surface one end fixedly connected with connecting block (220), the both sides that the guide block (210) top surface is located the one end of connecting block (220) have all been seted up draw-in groove (211), the both sides that the guide block (210) top surface is located the one end of relative draw-in groove (211) have all been seted up L type groove (212), guide block (210) top surface sliding connection has ejector pad (240), ejector pad (240) bottom surface both sides all fixedly connected with L type piece (241), L type piece (241) and L type groove (212) sliding connection, the central positions of two sides of the bottom surface of the guide block (210) are fixedly connected with connecting seats (250);

the adjusting module (300) comprises a supporting block (370), a connecting groove (320) is formed in the side face of the supporting block (370), a fixing rod (310) is fixedly connected with the connecting groove (320), the fixing rod (310) is rotatably connected with a connecting block (220), a first limiting groove (360) and a second limiting groove (380) are respectively formed in two opposite faces of the inner side of the supporting block (370), a first limiting groove (360) and a second limiting groove (380) are respectively fixedly connected with a sliding block (350), the sliding block (350) located on one side of the first limiting groove (360) is rotatably connected with a screw (340), the screw (340) is located outside the supporting block (370), two opposite faces of the sliding block (350) are respectively and fixedly connected with connecting rods (390), and the two connecting rods (390) are respectively rotatably connected with the two connecting seats (.

2. The neurology artery trocar as claimed in claim 1, wherein the needle body module (100) comprises a tube body (130), an indwelling needle tube (110) is fixedly connected to the tube body (130), a puncture needle core (120) is slidably connected to the interior of the indwelling needle tube (110), a puncture needle block (140) is fixedly connected to one end of the puncture needle core (120) opposite to the indwelling needle tube (110), a catheter (170) is fixedly connected to the side wall of the tube body (130), a hose (150) is fixedly sleeved on the catheter (170), and a hemostatic clamp (160) is slidably connected to the outer side wall of the hose (150).

3. The neurology artery trocar as claimed in claim 1, wherein the guide block (210) is attached with a positioning block (230), two ends of the bottom of the inner side wall of the positioning block (230) are fixedly connected with fixing blocks (234), two fixing blocks (234) are fixedly connected with round rods (233), the round rods (233) are slidably connected with positioning rods (232), and two ends of the bottom surface of the positioning block (230) are fixedly connected with clamping blocks (231).

4. The neurologic artery trocar as claimed in claim 1, wherein the support block (370) is fixedly connected with a binding band (330) at both ends of the bottom surface.

5. The neurologic artery trocar as claimed in claim 2, wherein the diameter of a cross-sectional circle of the tube body (130) at one end of the puncture needle block (140) is equal to the diameter of a cross-sectional arc of the guide groove.

6. A neurological arterial trocar according to claim 1, wherein the L-shaped slot (212) has a cross-sectional profile identical to the cross-sectional profile of the L-shaped block (241).