CN210844292U

CN210844292U - Contrast agent preparation assembly for B-ultrasonic right heart acoustic imaging

Info

Publication number: CN210844292U
Application number: CN201921227302.7U
Authority: CN
Inventors: 王彦
Original assignee: Peoples Hospital of Xinjiang Uygur Autonomous Region
Current assignee: Peoples Hospital of Xinjiang Uygur Autonomous Region
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-06-26
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to the technical field of medical equipment, a contrast medium preparation subassembly for B ultrasonic right heart acoustics radiography, be equipped with the feed liquor nipple on the empty section of thick bamboo of first syringe, first play liquid nipple, the empty section of thick bamboo of second syringe is provided with second play liquid nipple, but the both ends threaded connection of straight tube is on first play liquid nipple and second play liquid nipple's outer wall, but first end cap and second end cap difference threaded connection are on first play liquid nipple, the nipple's of feed liquor inner wall, the syringe needle can be pegged graft on the nipple's of feed liquor outer wall, manual boost motor accessible draw-in groove detachably suit is on the empty section of thick bamboo of first syringe and second syringe outer wall. The utility model discloses a set up sharp linear straight tube and replace curved shape communicating member such as three-way valve among the prior art, can effectively solve the liquid circulation route and lead to pushing away the problem that the liquid resistance increases because buckle, can indirectly promote the piston rod through revolving wrong screw rod set spare, compare the mode of directly pushing away the piston rod with the hand among the prior art, it is more laborsaving.

Description

Contrast agent preparation assembly for B-ultrasonic right heart acoustic imaging

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a contrast agent preparation component for B-ultrasonic right heart acoustic radiography.

Background

The acoustic contrast is a means for enhancing the echo of a blood flow through a contrast medium, so that the sensitivity of ultrasonic examination can be improved, and the examination result is more accurate. The device that has been used for making the normal saline microbubble generally comprises two conventional syringes, two syringes communicate through a connecting piece, this connecting piece generally is the three-way valve, then aspirate normal saline repeatedly between two syringes, utilize the high pressure that is produced by compressed gas in the syringe, can make normal saline produce the microbubble, and then satisfy the radiography requirement, at the in-process of repeatedly aspirating normal saline, because compressed gas in the syringe can produce the high pressure, consequently cause the nipple connecting portion of three-way valve and syringe to take place to break away from very easily, normal saline is with the tendency blowout, lead to the contrast medium preparation failure, need be prepared again, the existence of high-pressure gas also can make operating personnel very labouring in the process of propelling the syringe piston rod, the preparation efficiency is low.

Disclosure of Invention

The utility model provides a contrast medium preparation subassembly for contrast medium of B ultrasonic right heart acoustics radiography has overcome above-mentioned prior art not enough, and its syringe that can effectively solve current saline microbubble preparation instrument is at the in-process of pumping saline, washes away the intercommunication piece between two syringes very easily, and then leads to the saline blowout, the problem of contrast medium preparation failure to can also effectively solve the syringe and waste time, hard, the problem of inefficiency pushing away the liquid in-process.

The purpose of the application is realized as follows: the contrast agent preparation assembly for B ultrasonic right heart acoustic radiography comprises a first injector hollow cylinder, a second injector hollow cylinder, a straight pipe, a first plug, a second plug, a needle head and a manual booster, wherein a liquid inlet nipple and a first liquid outlet nipple are arranged at the head part of the first injector hollow cylinder at intervals, a second liquid outlet nipple corresponding to the first liquid outlet nipple is arranged at the head part of the second injector hollow cylinder, an internal thread section is arranged on the inner wall of the liquid inlet nipple, thread sections are arranged on the inner wall and the outer wall of the first liquid outlet nipple, an external thread section is arranged on the outer wall of the second liquid outlet nipple, two ends of the straight pipe can be in threaded connection with the outer walls of the first liquid outlet nipple and the second liquid outlet nipple to communicate the first injector hollow cylinder and the second injector hollow cylinder, the first plug and the second plug can be respectively in threaded connection with the first liquid outlet nipple and the inner wall of the liquid inlet nipple, the needle head can be inserted into the outer, all be provided with piston and piston rod in first syringe empty tube and the second syringe empty tube, the one end of piston rod is installed on the piston, and the other end an organic whole of piston rod is connected with the handle, all is provided with the draw-in groove on the outer wall of first syringe empty tube and the second syringe empty tube respectively, and manual boost motor accessible draw-in groove detachably suit is provided with the screw rod subassembly that can promote the piston rod motion on the manual boost motor on first syringe empty tube and the empty outer wall of second syringe empty tube.

The following are further optimization or/and improvement of the technical scheme of the utility model: further, the manual booster comprises a disc, a connector, a first arc half body, a second arc half body, a buckle and a screw assembly, wherein the first arc half body and the second arc half body are connected together to form a circular ring and are clamped in a clamping groove, the disc, the connector and the first arc half body are fixedly connected from top to bottom in sequence, the right side of the first arc half body is hinged with the right side of the second arc half body, the left side of the first arc half body and the left side of the second arc half body are installed together through the buckle, the screw assembly comprises a screw, a knob and a pressing cap, a screw hole is formed in the middle of the disc, the screw penetrates through the screw hole and is arranged on the disc, the knob is installed on an upper extending end of the screw, a counter bore is formed in the middle of a handle end of a piston rod, a rotating shaft is arranged in the counter bore, one end of the rotating shaft is inserted into the counter bore, a rotating, A pressing cap covered by the handle.

Furthermore, the first syringe hollow cylinder and the second syringe hollow cylinder are transparent cylinder bodies, and volume scale marks are arranged on the outer walls of the first syringe hollow cylinder and the second syringe hollow cylinder.

Furthermore, the liquid feeding nipple device also comprises a connector, a liquid feeding pipeline and a remaining needle, wherein one end of the connector can be inserted on the outer wall of the liquid feeding nipple, the other end of the connector is communicated with the liquid feeding end of the liquid feeding pipeline, and the liquid outlet end of the liquid feeding pipeline is communicated with the remaining needle.

The utility model has reasonable and compact structure, and can reduce the problem that the liquid flow path leads to the increase of the liquid pushing resistance because of bending by arranging the straight pipe to replace the curved communicating piece such as the three-way valve in the prior art, and the utility model indirectly pushes the piston rod by screwing the screw rod component, thereby being more labor-saving compared with the mode of directly pushing the piston rod by hands in the prior art, and having the advantages of time saving, labor saving and high efficiency through the two points; the liquid inlet nipple, the first liquid outlet nipple and the second liquid outlet nipple are provided with connecting threads, so that the straight pipe, the first plug and the second plug can be more firmly connected, and the problem that the communicating piece is accidentally separated due to high pressure in the suction process and finally the preparation of the contrast agent fails can be effectively solved.

Drawings

The specific structure of the application is given by the following figures and examples:

FIG. 1 is a schematic sectional front view of a contrast agent preparation assembly for right heart acoustic contrast in B-mode ultrasound during saline extraction;

FIG. 2 is a schematic sectional front view showing the structure of a contrast agent preparation set for acoustic right heart contrast in B-mode ultrasound during the preparation of physiological saline microbubbles;

FIG. 3 is a schematic sectional view of a contrast agent preparation assembly for ultrasound-B right heart acoustic contrast in front view when microbubble-rich saline is injected into a patient;

fig. 4 is a schematic axial side view of the manual booster.

Legend: 1. the injection device comprises a first injection syringe hollow cylinder, a second injection syringe hollow cylinder, a straight pipe, a first plug, a second plug, a needle head, a liquid inlet nipple, a liquid outlet nipple, a first liquid outlet nipple, a second liquid outlet nipple, a piston, 11, a piston rod, 12, a handle, 13, a clamping groove, a disc, a disk, 15, a connecting body, a first arc half body, a second arc half body, a buckle, a 19, a screw rod, a knob, a 21, a pressing cap, a counter bore, a rotating shaft, a rotating disc, a connector, a liquid pipeline, a 27 and an indwelling needle.

Detailed Description

The present application is not limited to the following examples, and specific implementations may be determined according to the technical solutions and practical situations of the present application.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of up, down, left, right, etc. is determined in accordance with the layout direction of fig. 1 in the specification.

The invention will be further described with reference to the following examples and drawings, in which: as shown in fig. 1 to 4, the contrast medium preparation assembly for B-ultrasonic right heart acoustic contrast medium comprises a first syringe hollow cylinder 1, a second syringe hollow cylinder 2, a straight tube 3, a first plug 4, a second plug 5, a needle 6 and a manual booster, wherein a liquid inlet nipple 7 and a first liquid outlet nipple 8 are arranged at the head of the first syringe hollow cylinder 1 at intervals, a second liquid outlet nipple 9 corresponding to the first liquid outlet nipple 8 is arranged at the head of the second syringe hollow cylinder 2, an internal thread section is arranged on the inner wall of the liquid inlet nipple 7, thread sections are arranged on the inner wall and the outer wall of the first liquid outlet nipple 8, an external thread section is arranged on the outer wall of the second liquid outlet nipple 9, two ends of the straight tube 3 can be in threaded connection with the outer walls of the first liquid outlet nipple 8 and the second liquid outlet nipple 9 to communicate the first syringe hollow cylinder 1 and the second syringe hollow cylinder 2, the first plug 4 and the second plug 5 can be in threaded connection with the first liquid outlet nipple 8, the second liquid, On the inner wall of

feed liquor nipple

7, 6 can peg graft on the outer wall of feed liquor nipple 7 of syringe needle, all be provided with piston 10 and piston rod 11 in the empty section of thick bamboo 1 of first syringe and the empty section of thick bamboo 2 of second syringe, the one end of piston rod 11 is installed on piston 10, the other end body coupling of piston rod 11 has handle 12, all be provided with draw-in groove 13 on the outer wall of the empty section of thick bamboo 1 of first syringe and the empty section of thick bamboo 2 of second syringe respectively, 13 detachably suits of manual boost motor accessible draw-in groove are on the empty section of thick bamboo 1 of first syringe and the empty 2 outer walls of second syringe, be provided with the screw rod subassembly that can promote the motion of piston.

When the utility model is used, the pistons 10 in the first syringe hollow cylinder 1 and the second syringe hollow cylinder 2 are all in the state of being pushed to the bottom, and the manual booster is installed on the first syringe hollow cylinder 1, the needle 6 is installed on the liquid inlet nipple 7, the first plug 4 is installed in the first liquid outlet nipple 8, then the piston rod 11 is pulled out through the handle 12, 9ml of physiological saline and 1ml of air are sucked into the first syringe hollow cylinder 1 through the needle 6, then the first plug 4 and the needle 6 are disassembled, the straight pipe 3 is in threaded connection between the first liquid outlet nipple 8 and the second liquid outlet nipple 9, and the second plug 5 is installed in the liquid inlet nipple 7, at the moment, one hand of an operator holds the outer wall of the first syringe hollow cylinder 1, the other hand can easily push the physiological saline into the second syringe hollow cylinder 2 by screwing the screw assembly on the manual booster, in the process, the piston 10 and the piston rod 11 in the second syringe hollow cylinder 2 are jacked up by the physiological saline and the compressed air, at the moment, the manual booster is disassembled from the first syringe hollow cylinder 1 and is installed on the second syringe hollow cylinder 2, the physiological saline for radiography is pushed into the first syringe hollow cylinder 1 again by utilizing the screw rod component, the physiological saline is repeatedly pumped between the first syringe hollow cylinder 1 and the second syringe hollow cylinder 2 by the same method, and the physiological saline rich in microbubbles can be prepared for right-angle radiography by utilizing the internal high pressure formed by the compressed air in the pumping process, the utility model discloses a straight pipe 3 is arranged, the physiological saline can pass in and out between the first syringe hollow cylinder 1 and the second syringe hollow cylinder 2 in a straight line way, thereby effectively avoiding other curved connecting pieces such as a three-way valve and the like in the existing device, the liquid is bent in the flowing path in the process of entering and exiting the injector, so that the liquid pushing resistance is increased, the piston rod 11 is indirectly pushed by screwing the screw rod assembly, and compared with the mode of directly pushing the piston rod 11 by hands in the prior art, the liquid pushing device is more labor-saving, and the liquid pushing device has the advantages of time saving, labor saving and high efficiency through the two points; present syringe nipple all is the plain noodles, other communicating parts such as the three-way valve of grafting above are at the in-process of two syringes pumping normal saline repeatedly, very easily because high pressure and take place to break away from with the nipple, the normal saline blowout, lead to the contrast medium preparation failure, and the utility model discloses a feed liquor nipple 7, first play liquid nipple 8, second play liquid nipple 9 all are thread design, so just so can connect straight tube 3 more firmly, first end cap 4, second end cap 5, avoid the accident of communicating part to break away from, and finally lead to the problem of contrast medium preparation failure, first end cap 4, second end cap 5 comprise the double-screw bolt, twist the ring body coupling on the double-screw bolt.

According to the actual need, the contrast agent preparation assembly for the B ultrasonic right heart acoustic contrast is further optimized or/and improved: further, as shown in fig. 2 to 4, the manual booster includes a disc 14, a connector 15, a first arc half body 16, a second arc half body 17, a buckle 18, and a screw assembly, the first arc half body 16 and the second arc half body 17 are connected together in a circular ring shape and clamped in the clamping groove 13, the disc 14, the connector 15, and the first arc half body 16 are sequentially and fixedly connected from top to bottom, the right side of the first arc half body 16 is hinged to the right side of the second arc half body 17, the left side of the first arc half body 16 and the left side of the second arc half body 17 are mounted together through the buckle 18, the screw assembly includes a screw 19, a knob 20, and a pressing cap 21, a screw hole is provided in the middle of the disc 14, the screw 19 is inserted into the disc 14 through the screw hole, the knob 20 is mounted on the upper end of the screw 19, a counter bore 22 is provided in the middle of the end of, one end of the rotating shaft 23 is inserted into the counter bore 22, the other end of the rotating shaft 23 is integrally connected with a rotating disc 24 which is arranged on the handle 12, and the lower extending end of the screw rod 19 is integrally connected with a pressing cap 21 which can cover the rotating disc 24 and the handle 12.

The screw rod 19 and the disc 14 with screw hole form a screw-nut mechanism, the operator can change the rotation of the screw rod 19 into linear motion by screwing the knob 20, and then indirectly push the piston rod 11 by pressing the cap 21, based on the common sense of life, under the condition that high-pressure gas exists in the injector, the indirect push of the piston rod 11 by screwing the screw rod 19 is certainly easier to realize than the direct push of the piston rod 11, therefore, compared with the prior art, the process of pushing the liquid is easier and labor-saving, the rotary disc 24 can rotate along with the rotation of the screw rod 19 through the rotating shaft 23, so as to avoid the screw rod 19 rotating along with the piston rod 11, because the piston 10 is generally a rubber plug and tightly pressed on the inner wall of the empty cylinder of the injector to realize sealing, if the screw rod 19 rotates along with the piston rod 11, a large frictional resistance is formed between the piston 10 and the inner wall of the empty cylinder of the injector, but is disadvantageous for the liquid pushing of the piston rod 11. The hasp 18 is a known hasp lock, and comprises a lock base, a lock body, a lock tongue and a lock tongue base, wherein the lock tongue base is fixedly connected to the left side of the first arc half body 16, the lock base is fixedly connected to the left side of the second arc half body 17, the lock body provided with the lock core can rotate around a pin shaft fixed on the lock base, the lock tongue and the lock body are connected into a whole, a groove corresponding to the lock tongue is formed in the lock tongue base, and the lock tongue can be separated from and clamped in the groove by lifting and buckling the lock body, so that the first arc half body 16 and the second arc half body 17 can be opened and closed quickly.

Further, according to the actual demand, first syringe empty tube 1 and second syringe empty tube 2 all are transparent barrel, are provided with the volume scale mark on the outer wall of first syringe empty tube 1 and second syringe empty tube 2.

Empty section of thick bamboo 1 of first syringe and empty section of thick bamboo 2 of second syringe all are transparent design, make things convenient for the operator to grasp the condition that normal saline produced the microbubble more directly perceivedly like this, and then adjust normal saline's suction number of times at any time, the setting of volume scale marking is then the utility model discloses possess the function of quantitative preparation contrast medium.

Further, as shown in fig. 3, the liquid feeding nipple device further comprises a connector 25, a liquid feeding pipeline 26 and an indwelling needle 27, wherein one end of the connector 25 can be inserted into the outer wall of the liquid feeding nipple 7, the other end of the connector 25 is communicated with the liquid feeding end of the liquid feeding pipeline 26, and the liquid outlet end of the liquid feeding pipeline 26 is communicated with the indwelling needle 27.

The back is prepared to the normal saline that is rich in the microbubble, this moment the utility model discloses only need be rich in the normal saline of microbubble by second syringe cavity in whole push into first syringe cavity, then lift straight tube 3 off and install first end cap 4 in first play liquid nipple 8, insert connector 25 and establish on the 7 outer walls of feed liquor nipple, through manual boost motor at last, infusion pipeline 26, keep somewhere needle 27, squeeze into the patient with the contrast medium that has prepared in vivo can, also can not need manual boost motor, directly pass through handle 12 hand pushes the contrast medium that has prepared, the utility model discloses only need utilize current conventional connector to keep somewhere 25, infusion pipeline 26, needle 27 can realize the infusion, need not to carry out other changes again, have very strong practicality.

The foregoing description is by way of example only and is not intended as limiting the embodiments of the present application. All obvious variations and modifications of the present invention are within the scope of the present invention.

Claims

1. A contrast agent preparation assembly for B-ultrasonic right heart acoustic radiography is characterized by comprising a first injector hollow cylinder, a second injector hollow cylinder, a straight pipe, a first plug, a second plug, a needle head and a manual booster, wherein a liquid inlet nipple and a first liquid outlet nipple are arranged at the head of the first injector hollow cylinder at intervals, a second liquid outlet nipple corresponding to the first liquid outlet nipple is arranged at the head of the second injector hollow cylinder, an internal thread section is arranged on the inner wall of the liquid inlet nipple, thread sections are arranged on the inner wall and the outer wall of the first liquid outlet nipple, an external thread section is arranged on the outer wall of the second liquid outlet nipple, two ends of the straight pipe can be in threaded connection with the outer walls of the first liquid outlet nipple and the second liquid outlet nipple to communicate the first injector hollow cylinder and the second injector hollow cylinder, and the first plug and the second plug can be in threaded connection with the inner wall of the first liquid outlet nipple and the liquid inlet nipple respectively, the syringe needle can be pegged graft on the outer wall of feed liquor nipple, all be provided with piston and piston rod in the empty section of thick bamboo of first syringe and the empty section of thick bamboo of second syringe, the one end of piston rod is installed on the piston, the other end body coupling of piston rod has the handle, all be provided with the draw-in groove on the outer wall of the empty section of thick bamboo of first syringe and the empty section of thick bamboo of second syringe respectively, manual boost motor accessible draw-in groove detachably suit is on the outer wall of the empty section of thick bamboo of first syringe and the empty section of thick bamboo of second syringe, be provided with the screw rod subassembly.

2. The contrast medium preparation assembly for B-ultrasonic right heart acoustic angiography as claimed in claim 1, wherein the manual booster comprises a disc, a connector, a first arc half body, a second arc half body, a hasp and a screw assembly, the first arc half body and the second arc half body are connected together in a circular ring shape and are clamped in the clamping groove, the disc, the connector and the first arc half body are fixedly connected from top to bottom in sequence, the right side of the first arc half body is hinged with the right side of the second arc half body, the left side of the first arc half body and the left side of the second arc half body are mounted together through the hasp, the screw assembly comprises a screw, a knob and a pressing cap, a screw hole is formed in the middle of the disc, the screw penetrates through the screw hole, the knob is mounted on the outward extending end of the upper portion of the screw, a counter bore is formed in the middle of the handle end of the piston rod, a rotating shaft, the other end of the rotating shaft is integrally connected with a rotating disc which is arranged on the handle, and the lower extending end of the screw rod is integrally connected with a pressing cap which can cover the rotating disc and the handle.

3. The contrast media preparation assembly for acoustic contrast media for B-ultrasonic right heart imaging according to claim 1 or 2, wherein the first and second syringe cylinders are transparent cylinders, and volume scale markings are provided on the outer walls of the first and second syringe cylinders.

4. The contrast medium preparation assembly for acoustic contrast medium for right heart imaging by B-ultrasonic according to claim 1 or 2, further comprising a connector, a liquid feeding line and an indwelling needle, wherein one end of the connector is inserted on the outer wall of the liquid feeding nipple, the other end of the connector is communicated with the liquid feeding end of the liquid feeding line, and the liquid outlet end of the liquid feeding line is communicated with the indwelling needle.

5. The assembly for preparing the contrast agent for the acoustic contrast of the right heart in the B ultrasonic examination according to claim 3, further comprising a connector, a transfusion line and an indwelling needle, wherein one end of the connector is inserted into the outer wall of the liquid inlet nipple, the other end of the connector is communicated with the liquid inlet end of the transfusion line, and the liquid outlet end of the transfusion line is communicated with the indwelling needle.