CN212699902U

CN212699902U - Angiocardiography injector

Info

Publication number: CN212699902U
Application number: CN202020409109.1U
Authority: CN
Inventors: 王娟; 刘晓蓓; 吕忠英
Original assignee: Fifth Affiliated Hospital of Xinjiang Medical University
Current assignee: Fifth Affiliated Hospital of Xinjiang Medical University
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-03-16
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a cardiovascular radiography injector, including the device main part, settle end, STB, operating device, first screw rod, knob, scale strip, lead to groove, first gear, gauge needle, drive mechanism, second gear, second screw rod, ejector pad, injection mechanism and the mechanism of gripping. The utility model has the advantages that: the knob is manually held and rotated, so that the contrast agent is injected into the body of a patient through the injection mechanism, because the diameter of the second gear is larger than that of the first gear, the rotating angular speed of the second gear is smaller than that of the first gear, so that the moving speed of the push block is reduced, the contrast agent can be injected more accurately, meanwhile, the metering needle is also moved back and forth by the rotation of the first screw, the metering needle moves along with the movement of the push block, the end part of the metering needle can be more intuitively intersected with the corresponding part on the scale bar, so that the contrast agent can be further accurately injected and grasped, and the injection quantity is prevented from generating larger errors.

Description

Angiocardiography injector

Technical Field

The utility model relates to a radiography injector specifically is a angiocardiography injector, belongs to angiocardiography technical field.

Background

The cardiovascular angiography is characterized in that a contrast agent is quickly injected into a heart cavity or a blood vessel through a cardiac catheter, the heart and the blood vessel cavity are developed under the X-ray irradiation, and the development process of the heart and the blood vessel cavity is shot by methods such as quick photography, television photography or video tape and the like, so that the blood flowing sequence containing the contrast agent and the filling condition of the heart blood vessel can be seen from the development result, and the physiological and anatomical changes of the heart and the blood vessel are solved. Is a valuable method for diagnosing the cardiovascular diseases. When in use, contrast medium is often injected into a blood vessel through a syringe for angiography, and the shape of the syringe is similar to that of an injector, which is a common medical device.

However, since the contrast medium is a relatively viscous liquid, the injection of the contrast medium is difficult to accurately grasp in the actual use process of the conventional cardiovascular contrast injector, so that a certain error is generated in the injection amount, and the use effect is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cardioangiography injector just in order to solve above-mentioned problem, the flexible operation is convenient for carry out more accurate assurance to the injection of contrast medium when using, avoids the injection volume to produce great error, guarantees the result of use.

The utility model realizes the above purpose by the following technical proposal, a cardiovascular radiography injector comprises a device main body, one end of the device main body is fixed with a placement end, the top of one side of the placement end is provided with a top box, the top box is fixed on the top of the device main body, the placement end and the top box are provided with an operating mechanism, the operating mechanism comprises a first screw rod, a knob, a scale bar, a through groove, a first gear and a metering needle, the position of one side of the placement end close to the top end is provided with the knob, one side of the knob is connected with the first screw rod, the first screw rod penetrates through the placement end and extends to the inside of the top box, the metering needle is connected with the first screw rod by screw thread on the side wall of the inside of the top box, the first gear is fixed on the side wall of the inside of the placement end, the top of the top box is provided with one through groove, the top of the top box is located on two sides of the through groove and is provided with the scale strips, a transmission mechanism is arranged inside the device body and comprises a second gear, a second screw rod and a push block, the bottom of the first gear is located on the inner side of the placement end and is meshed with the second gear, the diameter of the second gear is larger than that of the first gear, the second screw rod is fixed in the middle of the second gear and penetrates through the placement end and extends into the device body, the second screw rod is in threaded connection with the push block on the side wall inside the device body, the end portion, deviating from the device body, of the device body is provided with an injection mechanism, and the bottom of the device body is provided with a holding mechanism.

Preferably, in order to facilitate the operation of the knob by a user, the operating mechanism further comprises a sheath, the knob is cylindrical as a whole, and the sheath is sleeved on the side wall of the knob.

Preferably, in order to limit the metering needle conveniently, the operating mechanism further includes a slider, the top of the metering needle is in a pointer shape, the slider is fixed to the bottom of the metering needle, and the slider is clamped on the inner wall of the device main body.

Preferably, in order to facilitate the limiting of the push block, the transmission mechanism further comprises a fixture block, one side of the push block is spherical, the fixture block is fixed at the bottom of the push block, and the fixture block is clamped on the inner wall of the device main body.

Preferably, in order to conveniently realize the injection of the contrast medium, the injection mechanism comprises an injection end, a connecting pipe and a needle head, the injection end is fixed on one side of the device body, which is deviated from the placement end, one end of the injection end, which is deviated from the device body, is connected with the connecting pipe, and one end of the connecting pipe, which is deviated from the injection end, is connected with the needle head.

Preferably, in order to facilitate the user to hold the device main body, the holding mechanism includes a grip, and the grip having an arc-shaped block shape is fixed to the bottom of the device main body.

Preferably, in order to facilitate the operation of the user on the grip, the holding mechanism further comprises a holding groove, and a plurality of holding grooves which are in accordance with the hand holding state of the user are arranged on one side of the grip, which is far away from the placing end.

The utility model has the advantages that: the medical staff can hold the knob manually and rotate, the knob rotates to drive the first screw rod and the first gear to rotate, the first gear rotates to drive the second gear to rotate, the second gear rotates to drive the second screw rod to rotate, the second screw rod rotates to enable the push block to generate a rotating trend, but the push block can only move back and forth as the push block is limited, the push block can move to push the contrast medium, the contrast medium is injected into the body of a patient through the injection mechanism, the angular speed of the second gear rotation is smaller than that of the first gear as the diameter of the second gear is larger than that of the first gear, so that the moving speed of the push block is reduced, the contrast medium can be injected more accurately, meanwhile, the metering needle also generates a rotating trend as the first screw rod rotates, but the metering needle can only move back and forth as the metering needle is limited, and the metering needle can move along with the movement of the push block, after the metering needle stops moving, the end part of the metering needle can be more visually intersected with the corresponding part on the scale bar, so that the accurate injection of the contrast agent is further grasped, the large error of the injection quantity is avoided, and the using effect is ensured.

Drawings

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

FIG. 2 is a schematic view of the connection structure between the operating mechanism and the transmission mechanism shown in FIG. 1;

fig. 3 is an enlarged view of the portion a shown in fig. 2.

In the figure: 1. the device comprises a device main body, 2, a mounting end, 3, a top box, 4, an operating mechanism, 41, a first screw rod, 42, a knob, 43, a sheath, 44, a scale bar, 45, a through groove, 46, a first gear, 47, a metering needle, 48, a sliding block, 5, a transmission mechanism, 51, a second gear, 52, a second screw rod, 53, a pushing block, 54, a clamping block, 6, an injection mechanism, 61, an injection end, 62, a connecting pipe, 63, a needle head, 7, a holding mechanism, 71, a handle, 72 and a holding groove.

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.

Referring to fig. 1-3, a cardioangiographic injector comprises a device body 1, a mounting end 2 is fixed at one end of the device body 1, a top box 3 is arranged at the top of one side of the mounting end 2, the top box 3 is fixed at the top of the device body 1, an operating mechanism 4 is arranged on the mounting end 2 and the top box 3, the operating mechanism 4 comprises a first screw 41, a knob 42, a scale strip 44, a through groove 45, a first gear 46 and a gauge needle 47, the knob 42 is arranged at a position close to the top end of one side of the mounting end 2, one side of the knob 42 is connected with the first screw 41, the first screw 41 penetrates through the mounting end 2 and extends into the top box 3, the gauge needle 47 is in threaded connection with the side wall of the first screw 41 inside the top box 3, the first gear 46 is fixed on the side wall of the first screw 41 inside the mounting end 2, the top of the top box 3 is provided with one through groove 45, the top of the top box 3 is provided with the scale strips 44 at two sides of the through groove 45, the device body 1 is internally provided with a transmission mechanism 5, the transmission mechanism 5 comprises a second gear 51, a second screw 52 and a push block 53, the bottom of the first gear 46 is positioned inside the mounting end head 2 and is engaged with the second gear 51, the diameter of the second gear 51 is larger than that of the first gear 46, the middle of the second gear 51 is fixed with the second screw 52, the second screw 52 penetrates through the mounting end head 2 and extends to the inside of the device body 1, the second screw 52 is in threaded connection with the push block 53 on the side wall inside the device body 1, and the end of the device body 1 departing from the device body 1 is provided with an injection mechanism 6, the bottom of the device body 1 is provided with a holding mechanism 7.

As a technical optimization scheme of the utility model, operating device 4 still includes sheath 43, knob 42's whole is cylindricly, just the one deck has been cup jointed on knob 42's the lateral wall sheath 43.

As a technical optimization scheme of the utility model, operating device 4 still includes slider 48, gauge needle 47's top is the pointer form, gauge needle 47's bottom is fixed with slider 48, slider 48 block in device main part 1's inner wall.

As a technical optimization scheme of the utility model, drive mechanism 5 still includes fixture block 54, one side of ejector pad 53 is the sphere form, just the bottom of ejector pad 53 is fixed with fixture block 54, fixture block 54 block in the inner wall of device main part 1.

As a technical optimization scheme of the utility model, injection mechanism 6 includes injection end 61, connecting pipe 62 and syringe needle 63, device main part 1 deviates from one side of settling end 2 is fixed with injection end 61, injection end 61 deviates from the one end of device main part 1 is connected with connecting pipe 62, connecting pipe 62 deviates from the one end of injection end 61 is connected with syringe needle 63.

As a technical optimization scheme of the present invention, the holding mechanism 7 includes a handle 71, and the bottom of the device main body 1 is fixed with the handle 71 which is arc-shaped.

As a technical optimization scheme of the utility model, the mechanism 7 of gripping still includes holds groove 72, handle 71 deviates from one side of settling end 2 is equipped with a plurality of people's hand gripping state of meeting hold groove 72.

When the utility model is used, firstly, the device main body 1 is fixedly arranged at a required proper position to complete the preparation work before the device is used; when in use, a medical staff firstly inhales a proper amount of contrast medium into the device main body 1 in advance, then can manually hold the device main body 1 through the handle 71, and simultaneously insert the end part of the needle 63 into a corresponding part on the body surface of a patient, then, the medical staff can manually hold the knob 42 and rotate, the knob 42 rotates to drive the first screw rod 41 and the first gear 46 to rotate, the first gear 46 rotates to drive the second gear 51 to rotate, the second gear 51 rotates to drive the second screw rod 52 to rotate, the second screw rod 52 rotates to drive the push block 53 to generate a rotating trend, but as the push block 53 is limited, the push block 53 can only move back and forth, the push block 53 moves to push the contrast medium, so that the contrast medium is injected into the body of the patient through the injection mechanism 6, and as the diameter of the second gear 51 is larger than that of the first gear 46, the rotating angular speed of the second gear 51 is smaller than that of the first gear 46, therefore, the moving speed of the push block 53 is reduced, more accurate injection of the contrast medium can be performed, meanwhile, the first screw rod 41 rotates to enable the metering needle 47 to tend to rotate, but the metering needle 47 is limited, the metering needle 47 can only move back and forth, the metering needle 47 can move along with the movement of the push block 53, after the metering needle 47 stops moving, the end portion of the metering needle 47 can be more intuitively intersected with the corresponding position on the scale bar 44, further accurate injection of the contrast medium is grasped, large errors in injection quantity are avoided, and the using effect is guaranteed.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An angiographic injector comprising a device body (1), characterized in that: a placement end (2) is fixed at one end of the device main body (1), a top box (3) is arranged at the top of one side of the placement end (2), the top box (3) is fixed at the top of the device main body (1), an operating mechanism (4) is arranged on the placement end (2) and the top box (3), the operating mechanism (4) comprises a first screw (41), a knob (42), a scale strip (44), a through groove (45), a first gear (46) and a metering needle (47), the knob (42) is arranged at a position, close to the top end, of one side of the placement end (2), one side of the knob (42) is connected with the first screw (41), the first screw (41) penetrates through the placement end (2) and extends to the inside of the top box (3), and the metering needle (47) is in threaded connection with the side wall, located inside the top box (3), of the first screw (41), the first gear (46) is fixed on the side wall of the first screw rod (41) located inside the placement end head (2), the through groove (45) is formed in the top of the top box (3), the scale strips (44) are arranged on the two sides of the through groove (45) in the top of the top box (3), the transmission mechanism (5) is arranged inside the device main body (1), the transmission mechanism (5) comprises a second gear (51), a second screw rod (52) and a push block (53), the second gear (51) is meshed with the bottom of the first gear (46) located inside the placement end head (2), the diameter of the second gear (51) is larger than that of the first gear (46), the second screw rod (52) is fixed in the middle of the second gear (51), and the second screw rod (52) penetrates through the placement end head (2) and extends to the inside the device main body (1), and the second screw rod (52) is in threaded connection with the push block (53) on the side wall in the device main body (1), an injection mechanism (6) is arranged at the end part of the device main body (1) deviating from the device main body (1), and a holding mechanism (7) is arranged at the bottom of the device main body (1).

2. The angiographic injector of claim 1, wherein: the operating mechanism (4) further comprises a sheath (43), the knob (42) is cylindrical in whole, and the sheath (43) is sleeved on the side wall of the knob (42).

3. The angiographic injector of claim 1, wherein: the operating mechanism (4) further comprises a sliding block (48), the top of the metering needle (47) is in a pointer shape, the sliding block (48) is fixed to the bottom of the metering needle (47), and the sliding block (48) is clamped on the inner wall of the device main body (1).

4. The angiographic injector of claim 1, wherein: the transmission mechanism (5) further comprises a clamping block (54), one side of the push block (53) is spherical, the clamping block (54) is fixed at the bottom of the push block (53), and the clamping block (54) is clamped on the inner wall of the device main body (1).

5. The angiographic injector of claim 1, wherein: injection mechanism (6) are including injection end (61), connecting pipe (62) and syringe needle (63), device main part (1) deviates from one side of settling end (2) is fixed with injection end (61), injection end (61) deviates from the one end of device main part (1) is connected with connecting pipe (62), connecting pipe (62) deviate from the one end of injection end (61) is connected with syringe needle (63).

6. The angiographic injector of claim 1, wherein: the holding mechanism (7) comprises a grip (71), and the arc-shaped block-shaped grip (71) is fixed at the bottom of the device main body (1).

7. The angiographic injector of claim 6, wherein: the holding mechanism (7) further comprises a holding groove (72), and one side, deviating from the placing end head (2), of the grip (71) is provided with a plurality of holding grooves (72) which accord with the hand holding state of a person.