CN213852516U

CN213852516U - High-pressure syringe needle cylinder for radiology

Info

Publication number: CN213852516U
Application number: CN202022747391.7U
Authority: CN
Inventors: 蒋玮丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-03
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a high-pressure syringe cylinder for radiation medicine relates to the radiation medicine field, including high-pressure syringe, fixed establishment and mechanism of taking a breath, the barrel has been cup jointed to the outer wall of high-pressure syringe, the one end fixedly connected with syringe needle of high-pressure syringe is kept away from to the barrel, the cover is equipped with the locking cap on the syringe needle, the one end that the barrel is close to high-pressure syringe is connected with the fixed block, the outer wall connection that the inside of fixed block is located the barrel has L type pole. The utility model discloses a set up fixed establishment, when using, through the swivelling joint piece, sleeve 8 drives the driving gear and rotates under its effort this moment to drive driven gear and rotate, thereby drive the bolt and contact with the annular cover, bolt chucking can effectively play the fixed action to the barrel in assorted chucking hole in the annular cover this moment, prevents that it from rocking the in-process production of injection and appearing the condition such as displacement influence injection effect.

Description

High-pressure syringe needle cylinder for radiology

Technical Field

The utility model relates to a radiology field specifically is a high pressure syringe cylinder for radiology.

Background

The high pressure injector is a common medical device, which is operated by a nurse to inject contrast medium into a patient, the general process comprises the steps of installing and fixing a syringe, setting injection parameters, injecting, disassembling the syringe and the like, the high pressure contrast injection is to suck the developing agent into the syringe of the injector by utilizing the mechanical and electric control function of the high pressure injector, then injecting into the affected part of the examined patient, and forming clear and stable examination image by image scanning device, the actual state of the patient to be checked is correctly judged, the direction is determined for the treatment, the application of the injection technology greatly improves the injection speed, the scanning accuracy and the image quality, and the volume, the flow and the injection time of the contrast medium can be accurately ensured, thereby obviously improving the quality and the diagnosis effect of perfusion imaging and three-dimensional dynamic enhanced imaging, and providing the high-pressure syringe needle cylinder for the radiology.

According to a high pressure syringe cylinder of chinese patent No. CN 210963385U application, including barrel and high pressure syringe, mutually support between high pressure syringe and the barrel, high pressure syringe runs through the barrel opening and extends to barrel inner chamber, the one end that the barrel is close to high pressure syringe is connected with the fixed block, the fixed block passes through between connecting rod and the high pressure syringe fixed linking to each other, the through-hole has transversely been seted up in the fixed block, high pressure syringe runs through whole through-hole, the barrel is equipped with clamping mechanism with the fixed block junction, the one end fixedly connected with injection head of high pressure syringe is kept away from to the barrel, the overhead cover of injection is equipped with fixed lid, be equipped with wiper mechanism on the barrel one end lateral wall, be equipped with the scale mark on the barrel front end lateral wall. The utility model discloses compare in current cylinder and can utilize latch mechanism with the barrel joint in the fixed block, the barrel breaks away from high-pressure syringe when avoiding high-pressure injection and causes the influence to the injection process, the dismantlement of the barrel of being convenient for of latch mechanism simultaneously.

However, the above patent is easy to drop from the external interface of the high-pressure injector under the condition of overlarge impact force in the using process, and the conditions such as deviation and displacement can occur, so that the injection efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the existing high-pressure syringe is troublesome to install and cannot be fixed and the medicine taking is difficult, the high-pressure syringe for the radiology is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure syringe needle cylinder for radiology comprises a high-pressure syringe, a fixing mechanism and a ventilation mechanism, wherein a cylinder body is sleeved on the outer wall of the high-pressure syringe, a needle head is fixedly connected to one end, away from the high-pressure syringe, of the cylinder body, a fixing cap is sleeved on the needle head, a fixing block is connected to one end, close to the high-pressure syringe, of the cylinder body, an L-shaped rod is connected to the outer wall, located inside the fixing block, of the cylinder body, an L-shaped rod is connected to the outer wall of the fixing block, a plurality of telescopic rods are installed at the bottom ends of the L-shaped rod, and springs are sleeved on the outer walls of the telescopic rods;

the fixing mechanism comprises a connecting block arranged above the barrel, a sleeve is arranged at the bottom end of the connecting block, a driving gear is installed on the sleeve, a driven gear is meshed with one side of the driving gear, the fixing mechanism further comprises a fixing plate arranged on two sides of the outer wall of the sleeve, a bolt is arranged on the inner wall of the fixing plate, and an annular sleeve is sleeved on the outer wall of the barrel below the bolt.

Preferably, the fixed slot of installation on the mechanism of taking a breath includes the barrel, the fixed slot of installation on the mechanism of taking a breath is including being located the barrel, the inside of fixed slot is provided with the air inlet, the inside of air inlet is provided with the filter, the below of filter is provided with the intake pipe that runs through to the syringe needle inside, the mechanism of taking a breath still includes the protective cap of fixed slot top installation, the fixture block is installed to the both sides bottom of protective cap, the below of fixture block is located the inside of fixed slot and is provided with two spring grooves, two the inside in spring groove is provided with a spring, the lug is installed to the one end of a spring.

Preferably, the barrel is fixedly connected with the high-pressure injector through a connecting rod, and a clamping groove matched with the L-shaped rod is formed in the fixing block.

Preferably, a sealing ring is arranged at the position where the high-pressure injector is contacted with the cylinder, and a sealing ring is arranged at the position where the needle is contacted with the fixing cap.

Preferably, a sealing ring is arranged at a position where the protective cap contacts with the fixing groove, and clamping grooves matched with the clamping blocks are arranged on two sides of the protruding block inside the fixing groove.

Preferably, the annular sleeve is internally provided with a clamping hole matched with the bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through setting up fixed establishment, when using, through the rotary connecting block, sleeve 8 drives the driving gear to rotate under its effort at this moment, thus drive the driven gear and rotate, thus drive the bolt and contact with annular sleeve, the bolt chucking is in the assorted chucking hole in the annular sleeve at this moment, can effectively play the fixed action to the barrel, prevent it from producing and rocking in the course of injecting and appearing the circumstances such as displacement and influencing the injection effect;

2. the utility model discloses an establishing the replacement gas mechanism, when getting it filled, at first drew into the liquid medicine in to the barrel through the air inlet, the filter can effectively play the filtering action this moment, inputs the syringe needle through the intake pipe simultaneously in, is convenient for assist taking a breath when getting it filled, and the efficiency of getting it filled is improved to the benefit differential pressure.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view illustrating the installation of the protective cap and the fixing groove of the present invention;

fig. 3 is a partial enlarged view of the utility model at the position B;

fig. 4 is a partial enlarged view of a point a of the present invention.

In the figure: 1. a high pressure syringe; 2. a barrel; 3. a needle head; 4. a fixing cap; 5. a fixed block; 6. an annular sleeve; 7. connecting blocks; 8. a sleeve; 9. a driving gear; 10. a fixing plate; 11. a bolt; 12. fixing grooves; 13. an air intake member; 14. a filter; 15. a protective cap; 16. an air inlet pipe; 17. a clamping block; 18. a spring slot; 19. a first spring; 20. a bump; 21. an L-shaped rod; 22. a second spring; 23. a telescopic rod; 24. a driven gear.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, a high-pressure syringe for radiology medicine comprises a high-pressure syringe 1, a fixing mechanism and a ventilation mechanism, wherein a barrel 2 is sleeved on the outer wall of the high-pressure syringe 1, a needle 3 is fixedly connected to one end, far away from the high-pressure syringe 1, of the barrel 2, a fixing cap 4 is sleeved on the needle 3, one end, close to the high-pressure syringe 1, of the barrel 2 is connected with a fixing block 5, an L-shaped rod 21 is connected to the outer wall, located on the barrel 2, of the inside of the fixing block 5, a plurality of telescopic rods 23 are installed at the bottom end of the L-shaped rod 21, and a second spring 22 is sleeved on the outer wall of each telescopic rod 23;

wherein, fixed establishment is including being located the connecting block 7 of 2 top installations of barrel, and the bottom of connecting block 7 is provided with sleeve 8, and driving gear 9 is installed to sleeve 8, and one side meshing of driving gear has driven gear 24, and fixed establishment still includes the fixed plate 10 of 8 outer wall both sides installations of sleeve, and the inner wall of fixed plate 10 is provided with bolt 11, and the outer wall that lies in barrel 2 below of bolt 11 has cup jointed annular cover 6.

Referring to fig. 1-3, the ventilation mechanism includes a fixing groove 12 installed on the barrel 2, an air inlet 13 is installed inside the fixing groove 12, a filter 14 is installed inside the air inlet 13, an air inlet pipe 16 penetrating into the needle 3 is installed below the filter 14, the ventilation mechanism further includes a protective cap 15 installed on the top end of the fixing groove 12, two latch blocks 17 are installed on the bottom ends of the two sides of the protective cap 15, two spring grooves 18 are installed below the latch blocks 17 and inside the fixing groove 12, a first spring 19 is installed inside the two spring grooves 18, and a protrusion 20 is installed on one end of the first spring 19.

Please refer to fig. 1 and 4, the barrel 2 is fixedly connected with the high pressure injector 1 through a connecting rod, and a clamping groove matched with the L-shaped rod 21 is arranged in the fixing block 5, so as to facilitate the L-shaped rod 21 to be clamped better and prevent the L-shaped rod 21 from moving freely.

Please refer to fig. 1, a sealing ring is disposed at a position where the high pressure syringe 1 contacts the barrel 2, and a sealing ring is disposed at a position where the needle 3 contacts the fixing cap 4, so that the sealing ring can effectively achieve a sealing effect, and prevent external air and dust from entering the barrel to affect an injection effect.

Referring to fig. 1-2, a sealing ring is disposed at a position where the protective cap 15 contacts the fixing groove 12, and locking grooves matched with the locking blocks 17 are disposed at two sides of the protrusion 20 inside the fixing groove 12, so as to effectively fix and fasten the locking blocks 17.

Please refer to fig. 1, the inside of the annular sheath 6 is provided with a clamping hole matching with the bolt 11, so as to fix the bolt 11 and prevent the syringe from moving freely when in use.

The working principle is as follows: when in use, firstly, the L-shaped rod 21 is pressed to extrude the second spring 22 until the L-shaped rod 21 completely enters the matched clamping groove of the fixed block 5, then the sleeve 8 drives the driving gear 9 to rotate under the acting force through the rotary connecting block 7, the driving gear 9 drives the driven gear 24 to rotate, the bolt 11 contacts with the annular sleeve 6 under the acting force, the bolt 11 is clamped in the matched clamping hole in the annular sleeve 6 at the moment, the barrel 2 can be effectively fixed, the barrel is prevented from shaking and shifting in the injection process and the like to influence the injection effect, meanwhile, the liquid medicine is filled into the barrel 2 through the air inlet part 13, the filter 14 can effectively play a filtering role and is simultaneously input into the needle head 3 through the air inlet pipe 16, so that the auxiliary ventilation is convenient during medicine taking, the pressure difference is compensated, the medicine taking efficiency is improved, when the filter 14 is used for a long time and needs to be replaced or cleaned, the protective cap 15 is separated from the fixing groove 12 by external force, and the spring 19 is compressed by the external force, so that the protrusion 20 is separated from the latch 17, thereby replacing and cleaning the filter 14.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A high-pressure syringe cylinder for radiology, comprising a high-pressure syringe (1), a fixing mechanism and a ventilation mechanism, characterized in that: the outer wall of the high-pressure injector (1) is sleeved with a barrel (2), one end, far away from the high-pressure injector (1), of the barrel (2) is fixedly connected with a needle (3), a fixing cap (4) is sleeved on the needle (3), one end, close to the high-pressure injector (1), of the barrel (2) is connected with a fixing block (5), the outer wall, located inside the barrel (2), of the fixing block (5) is connected with an L-shaped rod (21), the bottom end of the L-shaped rod (21) is provided with a plurality of telescopic rods (23), and the outer walls of the telescopic rods (23) are sleeved with springs (22);

wherein, fixed establishment is including connecting block (7) that are located barrel (2) top installation, the bottom of connecting block (7) is provided with sleeve (8), driving gear (9) are installed in sleeve (8), one side meshing of driving gear has driven gear (24), fixed establishment still includes fixed plate (10) of sleeve (8) outer wall both sides installation, the inner wall of fixed plate (10) is provided with bolt (11), the outer wall of the below position in barrel (2) of bolt (11) has cup jointed annular cover (6).

2. A high pressure syringe barrel for use in radiology according to claim 1 wherein: the utility model discloses a syringe needle, including the fixed slot (12) of being located the barrel (2) and installing, the inside of fixed slot (12) is provided with air inlet (13), the inside of air inlet (13) is provided with filter (14), the below of filter (14) is provided with runs through to inside intake pipe (16) of syringe needle (3), air exchange mechanism still includes protective cap (15) of fixed slot (12) top installation, fixture block (17) are installed to the both sides bottom of protective cap (15), the below of fixture block (17) is provided with two spring grooves (18) in the inside of fixed slot (12), two the inside in spring groove (18) is provided with spring (19), lug (20) are installed to the one end of spring (19).

3. A high pressure syringe barrel for use in radiology according to claim 1 wherein: the barrel (2) is fixedly connected with the high-pressure injector (1) through a connecting rod, and a clamping groove matched with the L-shaped rod (21) is formed in the fixing block (5).

4. A high pressure syringe barrel for use in radiology according to claim 1 wherein: the high-pressure syringe (1) is provided with the sealing washer with the position department that barrel (2) contacted, the position department that needle (3) and locking cap (4) contacted is provided with the sealing washer.

5. A high pressure syringe barrel for use in radiology according to claim 2 wherein: the position that protective cap (15) and fixed slot (12) contacted is provided with the sealing washer, the inside both sides that are located lug (20) of fixed slot (12) are provided with the draw-in groove with fixture block (17) assorted.

6. A high pressure syringe barrel for use in radiology according to claim 1 wherein: and a clamping hole matched with the bolt (11) is formed in the annular sleeve (6).