CN212575361U - Injection device for radiography - Google Patents
Injection device for radiography Download PDFInfo
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- CN212575361U CN212575361U CN202021164229.6U CN202021164229U CN212575361U CN 212575361 U CN212575361 U CN 212575361U CN 202021164229 U CN202021164229 U CN 202021164229U CN 212575361 U CN212575361 U CN 212575361U
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Abstract
The utility model relates to an injection device for radiography, which comprises an injection piece and a tube body, wherein one end of the tube body can be connected with an injector; further comprising: the spherical part is communicated with the middle part to form a middle through cavity, the umbrella-shaped part is provided with a sleeve pipe at the upper end, and the sleeve pipe and the umbrella-shaped part are coaxially arranged and are communicated with each other; the sleeve piece can be sleeved on the pipe body; the beneficial effects are that: can be suitable for more sinus/fistula sizes and can be adjusted according to different requirements; can properly pressurize and inject, and better solves the problem of preventing the excessive outflow of the contrast medium.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, especially, relate to injection device for radiography.
Background
Patients with skin sinus/fistula, such as anal fistula or incisal fistula, are often encountered during medical treatment. For definite diagnosis of the sinus/fistula, clarification of the distribution and morphology of the sinus/fistula in the subcutaneous or deep tissue, and providing detailed information for clinical diagnosis and treatment, a sinogram examination of the sinus/fistula is required.
Sinus/fistula imaging: the contrast agent is injected through the external skin opening of the sinus/fistula by using the X-ray opaque contrast agent, so that the contrast agent is fully drained along the sinus/fistula to reach each part and internal opening of the sinus/fistula, then X-ray pictures are taken to obtain X-ray films, so that the images of the sinus/fistula are developed on the X-ray films, and the distribution range, depth, lumen shape, running, outlet quantity and mutual relation of the sinus/fistula under the skin are solved by the images of the X-ray films, thereby providing rich basis for the selection of clinical treatment, especially surgical treatment modes.
The conventional approach to sinus/fistula imaging is to inject the contrast agent directly from the external ostium of the sinus/fistula using an injection member, or to inject the contrast agent after placement into the sinus/fistula using a catheter. Some cases of poor or unsuccessful contrast effect can be encountered in the examination process, the contrast agent can not smoothly enter the sinus/fistula, the sinus/fistula can not achieve complete visualization, missed diagnosis can occur or the overall appearance of the focus can not be displayed, the clinical treatment is difficult, and the focus is easy to relapse.
As shown in CN208274792U, in the clinical contrast injection member for cardiovascular medicine, if the external orifice of sinus/fistula is too small, the contrast agent cannot be injected by the injection member, and although it is injected under pressure, a large amount of contrast agent overflows from the external orifice; for example, the sinus/fistula has too large outer opening or local wound surface and too large outer opening which are far larger than the diameter of the injection piece or catheter opening, so that proper pressure injection cannot be carried out during radiography, a large amount of contrast agent cannot enter the deep part of the sinus/fistula and largely overflows from the outer opening, and the like.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an injection device for radiography has mainly solved current injection subassembly and can not be applicable to different sinus/fistula sizes, and the injection process leaks the scheduling problem easily.
In order to solve the problem, the utility model adopts the following technical scheme:
an injection device for radiography comprises a tube body,
one end of the tube body can be connected with the injection piece;
further comprising: a ball and/or umbrella, i.e. including either or both,
a spherical part, wherein a hollow cavity is formed in the spherical part,
the upper end of the umbrella-shaped part is provided with a sleeve pipe part, and the sleeve pipe part and the umbrella-shaped part are coaxially arranged and are communicated with each other;
the sleeve piece can be sleeved on the pipe body.
In one mode, an annular bulge is arranged at one end of the pipe body, and an annular groove body is arranged at one end of the through cavity.
In one mode, the outer diameter of one end, provided with an annular protrusion, of the pipe body is matched with the inner diameter of the through cavity.
In one mode, a sealing ring is arranged at the lower edge opening of the umbrella-shaped piece.
In one mode, the inner pipe wall of the casing member is provided with an annular inverted cone member, and the width of the annular inverted cone member is gradually reduced from the upper end to the lower end.
In one mode, the inner side surface of the upper end of the annular inverted cone piece is provided with anti-skidding threads.
In one mode, the inner diameter of the lower port of the umbrella-shaped piece is larger than the outer diameter of the spherical piece, the tube body is provided with a developing strip along the length direction, and the edge of the umbrella-shaped piece is provided with the developing strip.
In one mode, the upper port of the sleeve member is provided with a sealing and tightening member; the sealing tightening piece is made of elastic rubber, and when the sealing tightening piece is in a loose state, the inner diameter of the sealing tightening piece is smaller than the outer diameter of the pipe body.
In one mode, the front end of the tube body is provided with spiral threads.
In one mode, the injection part is provided with a connector, and the connector is communicated with an inner cavity of the injection part.
In one mode, a sleeve joint piece is arranged at one end, connected with the connector, of the pipe body, and a plurality of annular groove bodies are arranged in an inner cavity of the sleeve joint piece;
a circle of sealing rubber strip is arranged at the bottom of the annular groove body, and water absorbing cotton is arranged on two side walls of the annular groove body.
The utility model has the advantages that:
1. can be suitable for more sinus/fistula sizes and can be adjusted according to different requirements;
2. can properly pressurize and inject, is convenient for sealing, and better solves the problem of preventing a large amount of contrast medium from overflowing.
Drawings
Fig. 1 is a schematic view of a disassembled structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of the umbrella of the present invention;
FIG. 4 is a reference view of some aspects of the present invention;
FIG. 5 is a schematic view of a partial annular inverted cone structure;
FIG. 6 is a schematic view of a socket configuration;
FIG. 7 is a functional relationship diagram of the annular groove body and the annular bulge.
In the figure:
10 injection parts, 20 tubes, 30 spherical parts, 31 hollow cavities, 40 umbrella-shaped parts, 41 sleeve parts, 410 annular grooves, 42 annular inverted cone parts and 421 anti-skid threads.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, the contrast injection apparatus, including an injection member 10 and a tube body 20,
one way of injecting the injection member is to use an existing injection member;
one end of the tube 20 can be connected with the injection member 10;
further comprising:
the spherical member 30, the spherical member 30 is provided with a through cavity 31, the through cavity 31 is arranged on the spherical member 30 along a diameter direction, and the two ends of the through cavity 31 are open, so that liquid can flow through the through cavity.
The umbrella-shaped part 40, the upper end of said umbrella-shaped part 40 has thimble 41, said thimble 41 and umbrella-shaped part 40 are coaxial, and communicate each other;
the sleeve member 41 can be fitted over the pipe body 20.
With reference to fig. 2, the tube wall of the end of the tube 20 away from the injection member 10 has a certain supporting degree and is not easily deformed by squeezing;
the other end of the tube body 20 is provided with a socket 22, and the inner cavity of the socket 22 is provided with a plurality of annular groove bodies 410;
the tube body 20 is provided with developing strips along the length direction, the edge of the umbrella-shaped part 40 is provided with the developing strips, no X-ray material is cast in the whole length of the tube body 20 to be used as a scale, and the far end mark of the tube body 20 is particularly obvious, so that the depth and the position of the tube-shaped part inserted into a sinus or fistula can be identified and distinguished in the radiography;
the edges of umbrella member 40 and bulb member 30 are marked with radiopaque material to facilitate identification under fluoroscopy.
The front end of the pipe body 20 is provided with spiral threads, when the sleeve part 41 is sleeved on the pipe body 20, the friction force is increased when the sleeve part 41 is arranged on the spiral threads, and the forehead pressurization capacity is improved;
in one mode, the outer diameter of the end of tube 20 that can be connected to umbrella 40 is connected to connector 12 of injection unit 10;
a plurality of annular bulges 21 are arranged on the outer side surface of the connector 12;
when the socket 22 is sleeved on the connector 12, the annular groove 410 and the annular protrusion 21 are clamped,
an annular bulge 21 is arranged at one end of the pipe body 20, and an annular groove body 410 is arranged at one end of the through cavity 31.
The tube body 20 is provided with developing strips along the length direction, the edge of the umbrella-shaped part 40 is provided with the developing strips, no X-ray material is cast in the whole length of the tube body 20 to be used as a scale, and the far end mark of the tube body 20 is particularly obvious, so that the depth and the position of the tube-shaped part inserted into a sinus or fistula can be identified and distinguished in the radiography;
the edges of umbrella member 40 and bulb member 30 are marked with radiopaque material, which is advantageous for identification under fluoroscopy.
The front end of the tube body 20 is provided with spiral threads, and when the sleeve member 41 is sleeved on the tube body 20, the sleeve member 41 is arranged on the spiral threads, so that friction force is increased, and forehead pressurization capacity is improved.
Referring to fig. 7, a ring of rubber strips 411 is disposed at the bottom of the annular groove 410, and absorbent cotton 412 is disposed on two side walls of the annular groove 410; the annular groove body 410 has three chamber walls in total, wherein the bottom surface of the annular groove body is provided with a sealing rubber strip, and when the annular bulge 21 is clamped in the annular groove body 410, the rubber strip at the bottom of the annular bulge is abutted against the upper top surface of the annular bulge 21, so that a sealing structure is formed; at the moment, the wall of the two side walls is provided with the water-absorbing cotton, and after the water-absorbing cotton is wetted and expanded, the friction and mutual extrusion action of the annular bulge 21 and the wall of the annular groove body 410 is increased, so that the clamping effect of the two is improved.
The annular bulge 21 can be clamped with the annular groove body 410, so that the fixing effect is achieved on one hand, and the sealing effect is achieved on the other hand;
meanwhile, at other connecting parts, according to the actual connecting (sleeving) scheme, the similar annular bulge 21 and the similar annular groove body 410 can be adopted, so that the reinforcing and sealing effects are achieved.
The lower edge opening of the umbrella-shaped part 40 is provided with a sealing ring.
With reference to FIG. 3, a cross-sectional view of umbrella 40 is shown, wherein the cross-sectional shape of the annular inverted cone 42 is also shown; this configuration of the annular inverted cone 42 having a lower end inner diameter greater than an upper end inner diameter allows for better downward movement of the umbrella 40 relative to the tube 20;
however, when the umbrella 40 is required to move upwardly relative to the tube 20, the upper end of the annular barb member 42 is retracted, in the same manner as the barb, to a degree that prevents upward movement of the umbrella 40 relative to the tube 20.
The inner wall of the sleeve member 41 is provided with an annular inverted cone member 42. referring to fig. 5, the annular inverted cone member 42 gradually decreases in width from the upper end to the lower end, so that the end of the sleeve member 41 can better fit the pipe body 20.
The inner side surface of the upper end of the annular inverted cone member 42 is provided with anti-slip threads 421, so that the upper end of the annular inverted cone member 42 has a better effect when being prevented from sliding.
The inner diameter of the lower end opening of the umbrella-shaped member 40 is larger than the outer diameter of the ball-shaped member 30.
A sealing tightening piece is arranged at the upper port of the sleeve piece 41;
the seal take up member is elastic rubber, and when the seal take up member is in a relaxed state, the inner diameter of the seal take up member is smaller than the outer diameter of the pipe body 20.
A method of using an injection device for sinus/fistula imaging:
as shown in the context of figure 4 of the drawings,
embodiment 1, when the sinus/fistula morphology is relatively simple and the caliber is moderate, the connecting/injecting catheter 20 can be directly connected to an injector and inserted into the sinus/fistula for radiographic examination, as shown in fig. 4 a;
embodiment 2, when the external orifice of the sinus/fistula is too small for the catheter to be easily inserted, the balloon may be used to attach to the injection member 10, the distal end of the balloon 30 may be clasped to the sinus/fistula, and the contrast agent may be pressurized, sealed and injected, fig. 4 b;
embodiment 3, when the external orifice of the sinus/fistula is too large-caliber larger than 5mm but the sinus/fistula can be inserted into the catheter 20, the tube 20 can be attached to the injection member 10, the umbrella 40 is sleeved outside the tube 20, the length of the distal tube 20 of the umbrella 40 is adjusted according to the sinus/fistula depth, the catheter 20 is inserted into the sinus/fistula, the umbrella cover of the umbrella 40 is buckled on the external orifice of the sinus/fistula, the sinus/fistula is pressurized and sealed, and the contrast agent is injected, c in fig. 4;
embodiment 4, when the external orifice of the sinus/fistula is too large in size to be larger than 5mm, the sinus/fistula is complicated, the lumen is too wide, or there may be a plurality of tracts. The catheter can be attached to the injection member 10 with the umbrella fitted over the catheter, without the need to retain the distal catheter, the umbrella cover of the umbrella 40 is directly snapped over the sinus/fistula ostium, pressure is applied to seal, and contrast media is injected, as shown at d in fig. 4;
embodiment 5, the injection member and umbrella member 40 can be directly connected for injection, and the umbrella member 40 can be directly sleeved on the connector 12 for use, as shown in e in fig. 4,
when the examination site is narrow, such as anal fistula, the injection member 10 is not easy to adjust the injection angle for pressure injection, and the umbrella member 40 is connected with a catheter, and the umbrella member 40 is directly pressed on the sinus/fistula, pressurized and sealed, and then the injection operation is performed.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model is based on the appended claims.
Claims (10)
1. Injection device for radiography, including body (20), its characterized in that:
one end of the tube body (20) can be connected with the injection piece (10);
further comprising: a ball (30) and/or an umbrella (40),
a spherical part (30), a hollow cavity (31) is formed in the spherical part (30),
the umbrella-shaped part (40), the upper end of the umbrella-shaped part (40) is provided with a sleeve pipe piece (41), and the sleeve pipe piece (41) and the umbrella-shaped part (40) are coaxially arranged and are communicated with each other;
the sleeve piece (41) can be sleeved on the tube body (20), and the sleeve piece (41) can be connected with the injection piece (10).
2. The contrast injector according to claim 1, wherein: an annular bulge (21) is arranged at one end of the pipe body (20), and an annular groove body (410) is arranged at one end of the through cavity (31).
3. The contrast injector according to claim 2, wherein: the outer diameter of one end of the pipe body (20) provided with the annular bulge (21) is matched with the inner diameter of the through cavity (31).
4. The contrast injector according to claim 1, wherein: and a sealing ring is arranged at the lower edge opening of the umbrella-shaped part (40).
5. The contrast injector according to claim 1, wherein: the inner pipe wall of the sleeve piece (41) is provided with an annular inverted cone piece (42), and the width of the annular inverted cone piece (42) is gradually reduced from the upper end to the lower end.
6. The contrast injector according to claim 5, wherein: and the inner side surface of the upper end of the annular inverted cone piece (42) is provided with anti-skid grains (421).
7. The contrast injector according to claim 1, wherein: the inner diameter of the lower end opening of the umbrella-shaped part (40) is larger than the outer diameter of the spherical part (30); the tube body (20) is provided with a developing strip along the length direction, and the edge of the umbrella-shaped part (40) is provided with the developing strip.
8. The contrast injector according to claim 1, wherein: a sealing tightening piece is arranged at the upper end opening of the sleeve piece (41); the sealing tightening piece is made of elastic rubber, and when the sealing tightening piece is in a loose state, the inner diameter of the sealing tightening piece is smaller than the outer diameter of the pipe body (20).
9. The contrast injector according to claim 1, wherein: the injection piece (10) is provided with a connector (12), and the connector (12) is communicated with the inner cavity of the injection piece (10).
10. The contrast injector according to claim 9, wherein: a sleeve piece (22) is arranged at one end of the pipe body (20) which can be connected with the connector (12), and a plurality of annular groove bodies (410) are arranged in an inner cavity of the sleeve piece (22);
a circle of sealing rubber strip is arranged at the bottom of the annular groove body (410), and water absorbing cotton is arranged on two side walls of the annular groove body (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021164229.6U CN212575361U (en) | 2020-06-22 | 2020-06-22 | Injection device for radiography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021164229.6U CN212575361U (en) | 2020-06-22 | 2020-06-22 | Injection device for radiography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212575361U true CN212575361U (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021164229.6U Active CN212575361U (en) | 2020-06-22 | 2020-06-22 | Injection device for radiography |
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| CN (1) | CN212575361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558103A (en) * | 2020-06-22 | 2020-08-21 | 华中科技大学同济医学院附属协和医院 | Contrast imaging injection device and method of using the same |
-
2020
- 2020-06-22 CN CN202021164229.6U patent/CN212575361U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558103A (en) * | 2020-06-22 | 2020-08-21 | 华中科技大学同济医学院附属协和医院 | Contrast imaging injection device and method of using the same |
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