Medical capillary tubeTechnical Field
The invention relates to the technical field of medical instrument seamless tube application, in particular to a medical capillary tube.
Background
The medical capillary is mostly applied to sampling, disinfection and detection in the medical field, and in the injection environment, the postoperative part of hemorrhoids needs to be disinfected and cleaned regularly in anorectal outpatient service.
If the hemorrhoid is external hemorrhoid, it only needs to be cleaned by taking the sterilized cotton, and if the hemorrhoid is internal hemorrhoid, the operation part is positioned at the rear end of the rectum when the internal hemorrhoid occurs, and the sterilized cotton is difficult to be plugged into the operation part along the rectum by the existing manual scrubbing mode, and the sterilized liquid flows back when the medical tube is used for flushing, so that anus infection is caused.
Disclosure of Invention
The invention aims to solve the technical problem that by arranging the medical capillary, the disinfection liquid can be reasonably collected in the cleaning process while the internal hemorrhoid postoperative part is disinfected and cleaned, so that infection is avoided.
The medical capillary tube comprises an outer tube, wherein one end of the outer tube is provided with a cleaning end, one end of the outer tube is inserted into the cleaning end of the outer tube, the other end of the outer tube extends to a cleaning rod exposed out of the other end of the outer tube, one end of the cleaning rod is fixedly provided with a rotating seat which can synchronously displace along with the cleaning rod in the outer tube and synchronously rotate along with the cleaning rod in the outer tube, a probe is slidably matched in the outer tube, one end of the probe is fixedly provided with a flexible absorbing part, the flexible absorbing part is opposite to the rotating seat, a plurality of torsion strips which can be mutually spirally interweaved and generate torsion when rotating along with the rotating seat are connected between the flexible absorbing part and the rotating seat, the flexible absorbing part is forced to shrink to a torsion strip with the diameter smaller than the inner diameter of the outer tube through the torsion strips, and a guide rail structure which can prevent the flexible absorbing part from transmitting the rotating force to the probe and can rotate along with the flexible absorbing part when the torsion strip rotates along with the rotating seat is arranged between the tube cavities of the outer tube, so that the flexible absorbing part can shrink action;
the flexible adsorption piece comprises a nickel-titanium alloy net connected to the probe and disinfection cotton filled in the nickel-titanium alloy net, one end of the torsion strap is connected to the nickel-titanium alloy net, the other end of the torsion strap is connected to the swivel mount, when the flexible adsorption piece is positioned in the outer tube, the disinfection cotton contracts in the nickel-titanium alloy net, and when the flexible adsorption piece moves along with the probe to be close to being exposed outside the outer tube, the disinfection cotton expands and passes through meshes of the nickel-titanium alloy net and covers the outside of the nickel-titanium alloy net;
the annular array on the swivel base is provided with a plurality of through holes which are communicated with the tube cavity of the outer tube, a gap communicated with the through holes is reserved between the cleaning rod and the cavity wall of the outer tube, the gap is communicated with the flexible adsorption piece through the through holes, the tube cavity of the outer tube far away from the cleaning end is internally nested with a limit tube for plugging the same side end of the gap, the outer tube is provided with a threaded connection hole, one end of the threaded connection hole is communicated with the gap and is close to the inner end of the limit tube, and the other end of the threaded connection hole is detachably provided with a liquid collecting bottle which corresponds to the outside of the outer tube.
As one implementation mode, the outer tube is a medical-grade seamless tube, the cleaning rod is a medical-grade rubber rod, the swivel base is a medical-grade solid rubber seat, the probe is a camera, and an electric wire of the camera extends out of the outer tube through a gap and is connected to a terminal device.
As one embodiment, the outer edge surface of the swivel mount is a sliding fit on the lumen inner wall of the outer tube.
As one implementation mode, a plurality of torsion belts are distributed in an annular array, and two ends of the torsion belts are respectively connected between the swivel base and the nickel-titanium alloy net.
As one embodiment, the torsion strap is gradually inclined from one end connected to the swivel base to one end center position of the nickel-titanium alloy net.
As an embodiment, the distribution position of the through holes is larger than the diameter of the nickel-titanium alloy net, so that the outer circular outline of the titanium alloy net is communicated with all through holes in the radial direction, and simultaneously, the outer circular outline of the titanium alloy net is communicated with a gap between the cleaning rod and the outer tube through the through holes in the radial direction.
As one implementation mode, the guide rail structure comprises a rail groove formed in the wall of the outer cavity and a guide rail arranged on the probe and in sliding fit with the rail groove and used for guiding the probe in a directional manner, one end of the rail groove extends to be close to the threaded connection hole, and the other end of the rail groove penetrates through the cleaning end of the outer tube in a direction away from the threaded connection hole.
As one implementation mode, the probe is provided with an outwards-protruding spherical surface opposite to the other end connected with the flexible absorption part, the photographing area of the probe corresponds to the eccentric part of the spherical surface, and the outer end part of the cleaning end is provided with a round angle.
Compared with the prior art, the invention has the beneficial effects that the sterilizing cotton is compressed in the nickel-titanium alloy net and is arranged in the lumen along with the nickel-titanium alloy net, so that the sterilizing cotton can be sent to the operation part at the rear end of the rectum through the pipe fitting, and is moved between the lumen and the internal hemorrhoid operation part by pulling the cleaning rod in the lumen along with the nickel-titanium alloy net, so that the sterilizing cotton can be compressed along with the nickel-titanium alloy net when the nickel-titanium alloy net is retracted into the lumen to rotate after the operation part is scrubbed, the sterilizing liquid and tissue liquid can be collected outwards along the lumen of the outer tube under the simple pulling-back rotation action of the cleaning rod in the whole scrubbing process, and after the whole scrubbing operation is finished, the cleaning structures are retracted into the cleaning end and then outwards pulled out of the whole capillary assembly from the anorectum through the mode of pulling-back the cleaning rod, therefore, the periphery and the inner wall of the rectum cannot be infected after the operation part is scrubbed, the sterilizing cotton can be retracted into the cleaning end after the operation part is retracted into the cleaning end for each time, the inner wall is extruded again, the inner wall cannot be extruded into the anus is required to be scrubbed again, and the inner wall is not infected again in the scrubbing process is required to be used for the inner cleaning process, and the inner wall is also cleaned after the inner wall is cleaned, and the inner wall is not infected again, and the inner is required to be scrubbed and is cleaned.
Drawings
Fig. 1 is a schematic view of a front view plane structure of a medical capillary according to an embodiment of the present invention;
FIG. 2 is a schematic view of a principal cross-sectional plan view of a medical capillary according to an embodiment of the present invention;
fig. 3 is a schematic partial structure of a medical capillary according to an embodiment of the present invention, in which a portion a of the medical capillary drawn out in fig. 2 is enlarged and a through hole on a swivel mount is cut away;
fig. 4 is a schematic diagram of a distribution structure of torsion bands on a swivel base in a medical capillary according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a probe in a longitudinal section in a medical capillary tube according to an embodiment of the present invention, wherein the probe is in track fit with the inside of an outer tube through a guide rail structure;
fig. 6 is a schematic plan view of a medical capillary transfer seat according to an embodiment of the present invention, where one end of a torsion strap is connected to the transfer seat;
FIG. 7 is a schematic diagram of compression of sterilizing cotton within a nickel titanium alloy mesh with a flexible absorbent member in a medical capillary tube according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a flexible absorbent member in a medical capillary provided by an embodiment of the present invention when the sterilizing cotton is expanded outwardly from inside the nitinol mesh and covers the nitinol mesh when the flexible absorbent member is to be exposed outside the outer tube by the cleaning end.
In the figure: 1. an outer tube; 101. a cleaning end; 102. a threaded connection hole; 2. cleaning a rod; 3. rotating base; 4. a probe; 51. nickel-titanium alloy mesh; 52. sterilizing cotton; 5. a flexible absorbent member; 6. twisting the belt; 7. a guide rail structure; 71. a track groove; 72. a guide rail; 8. a through hole; 9. a gap; 10. a limiting tube; 11. a liquid collecting bottle; 12. a spherical surface; 13. and (5) rounding.
Detailed Description
The foregoing and other embodiments and advantages of the invention will be apparent from the following, more complete, description of the invention, taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention.
In one embodiment, as shown in FIGS. 1-2.
The medical capillary provided by the embodiment comprises an outer tube 1, wherein one end of the outer tube 1 is provided with a cleaning end 101, one end of the outer tube 1 is inserted into the cleaning end 101 of the outer tube 1, the other end of the cleaning rod 2 is extended to be exposed outside the other end of the outer tube 1, one end of the cleaning rod 2 is fixedly provided with a swivel base 3 which can synchronously displace along with the cleaning rod in the outer tube 1 and synchronously rotate along with the cleaning rod in the outer tube 1, the outer tube 1 is slidably matched with a probe 4, one end of the probe 4 is fixedly provided with a flexible absorbing part 5, the flexible absorbing part 5 is opposite to the swivel base 3, a plurality of torsion strips 6 which can mutually spiral interweave and generate torsion force when rotating along with the swivel base 3 are connected between the flexible absorbing part 5 and the swivel base 3, and the flexible absorbing part 5 is forced to shrink to a torsion strip 6 with the diameter smaller than the inner diameter of the outer tube 1 through the torsion force, and a guide rail structure 7 which can prevent the flexible absorbing part 5 from transmitting the rotation force to the probe 4 to rotate along with the flexible absorbing part 5 when the torsion strip 6 rotates along with the swivel base 3 so as to ensure that the flexible absorbing part 5 can shrink;
the flexible absorbing component 5 comprises a nickel-titanium alloy net 51 connected to the probe 4 and a disinfection cotton 52 filled in the nickel-titanium alloy net 51, one end of the torsion strap 6 is connected to the nickel-titanium alloy net 51, the other end is connected to the swivel base 3, when the flexible absorbing component 5 is positioned in the outer tube 1, the disinfection cotton 52 is contracted in the nickel-titanium alloy net 51, and when the flexible absorbing component 5 moves along with the probe 4 to be close to being exposed outside the outer tube 1, the disinfection cotton 52 expands and passes through meshes of the nickel-titanium alloy net 51 and covers the outer surface of the nickel-titanium alloy net 51;
the annular array on the swivel mount 3 is provided with a plurality of through holes 8 which are communicated with the lumen of the outer tube 1, a gap 9 communicated with the through holes 8 is reserved between the cleaning rod 2 and the lumen wall of the outer tube 1, the gap 9 is communicated with the flexible adsorption element 5 through the through holes 8, a limit tube 10 for plugging the same side end of the gap 9 is nested in the lumen of the outer tube 1 far away from the cleaning end 101, the outer tube 1 is provided with a threaded connection hole 102, one end of the threaded connection hole 102 is communicated with the gap 9 and is close to the inner end of the limit tube 10, and the other end of the threaded connection hole 102 is detachably provided with a liquid collecting bottle 11 which is corresponding to the outside of the outer tube 1.
In the present embodiment, the outer tube 1 and the cleaning rod 2 are held at the same time, so that the cleaning end 101 and the probe 4 are pushed into the rear end of the rectum together, and reach the rear part of the internal hemorrhoid operation (hereinafter collectively referred to as the operation part) under the detection of the probe 4, then the cleaning rod 2 is pushed to push the probe 4 in the cleaning end 101 outwards against the swivel base 3, the nitinol net 51 is pushed outwards and contacted on the operation part under the driving of the probe 4, the nitinol net 51 is not limited by the cleaning end 101 any more, the sterilizing cotton 52 compressed in the nitinol net 51 passes through the meshes to cover the nitinol net 51 and is attached to the operation part at the same time, scrubbing is implemented on the operation part, liquid of the operation part and used sterilizing liquid are absorbed again in the scrubbing process, the cleaning rod 2 is repeatedly pulled back and forth, the swivel base 3, the flexible absorbing part 5 and the probe 4 are frequently back and forth between the cleaning end 101 and the operation part, the sterilizing cotton 52 is attached to the operation part to scrub the operation part, the sterilizing cotton 52 is retracted into the cleaning end 101 along with the nickel-titanium alloy net 51 to be limited by the lumen of the cleaning end 101 and is compressed into the nickel-titanium alloy net 51 again, meanwhile, the nickel-titanium alloy net 51 is flexible and is also compressed into the lumen of the cleaning end 101, the sterilizing cotton 52 absorbs tissue fluid and used sterilizing fluid again when attached to the operation part, the sterilizing cotton 52 is retracted into the nickel-titanium alloy net 51 along with the nickel-titanium alloy net 51 again to be compressed into the nickel-titanium alloy net 51 due to the limiting of the inner cavity volume of the cleaning end 101, the rotary seat 3 can be rotated by rotating the cleaning rod 2, the torque force generated by the rotary seat 3 can be transmitted to all the torsion belts 6 to be mutually interweaved to form extrusion on the nickel-titanium alloy net 51, the nickel-titanium alloy net 51 is forced to temporarily twist and deform, the sterilizing cotton 52 compressed in the nickel-titanium alloy net 51 is extruded by the temporary twist and deform, tissue fluid absorbed by the sterilizing cotton 52 during scrubbing operation part and part of used sterilizing fluid are extruded outwards by the extrusion force, the fluid passes through the nickel-titanium alloy net 51 to flow into the pipe cavity of the cleaning end 101, flows into the gap 9 between the outer pipe 1 and the cleaning rod 2 along the pipe cavity of the cleaning end 101 through the through hole 8 on the swivel base 3, flows into the threaded connecting hole 102 along the gap 9, is blocked by the inner end of the limiting pipe 10 and is recovered into the liquid collecting bottle 11 along the threaded connecting hole 102. As can be seen from the above, the medical capillary tube is adopted to deliver the sterilizing cotton 52 to the operation part at the rear end of the rectum, scrub the operation part, and collect the sterilizing liquid and the tissue liquid along the lumen of the outer tube 1 under the simple pulling-back rotation action of the cleaning rod 2 in the scrubbing process, after the whole scrubbing operation is completed, the cleaning structures are retracted into the cleaning end 101 to collect and then pull out the whole capillary tube assembly from the anorectal area, so that the infection of the periphery of the anus and the inner wall of the rectum is not caused when the cleaning structure is retracted after the cleaning structure is used, and the operation mode can enable the sterilizing cotton 52 to retract into the cleaning end 101 once for each scrubbing operation part, so that the tissue liquid is applied to the operation part again after being extruded outwards in a short stroke, and scrubbing efficiency is improved on the premise of ensuring that the infection of the anorectal area and the periphery of the anus is not caused in the scrubbing process.
In one embodiment, the outer tube 1 is a medical grade seamless tube, the cleaning rod 2 is a medical grade rubber rod, the swivel mount 3 is a medical grade solid rubber seat, the probe 4 is a camera, and an electrical wire of the camera extends out of the outer tube 1 through the gap 9 and is connected to a terminal device.
In one embodiment, the outer edge surface of the swivel base 3 is in sliding fit on the inner wall of the lumen of the outer tube 1, so that the swivel base 3 not only can transmit torque force generated when the cleaning rod 2 rotates to all the torsion strips 6, so that all the torsion strips 6 are interwoven together to transmit the torque force to the nickel-titanium alloy net 51 to enable the nickel-titanium alloy net 51 to perform extrusion liquid discharge action on the sterilized cotton 52, but also can enable displacement action to be more stable through damping between the swivel base 3 and the inner cavity of the outer tube 1 when the cleaning rod 2 moves the probe 4, the flexible absorbing part 5 and the like.
In one embodiment, as shown in fig. 4, 6, 7 and 8, a plurality of torsion belts 6 are distributed in a ring array, each torsion belt 6 is made by adopting a process of compressing medical grade cotton yarn to have certain strength but not losing flexibility, two ends of the plurality of torsion belts 6 are respectively connected between the rotary seat 3 and the nickel titanium alloy net 51, and the torsion belts 6 are gradually inclined from one end connected at the rotary seat 3 to the center of one end of the nickel titanium alloy net 51. When the cleaning rod 2 rotates with the swivel base 3, the swivel base 3 rotates synchronously with the plurality of torsion strips 6 which are arranged around, so that the torsion strips 6 are interwoven with each other like twining ropes, and as the torsion strips 6 incline from one end of the swivel base 3 to one end of the nitinol net 51, the torsion force when interweaving the torsion strips together is larger when the torsion strips are closer to one end of the swivel base 3, and the torsion force when the torsion strips are closer to one end of the nitinol net 51 is smaller, therefore, the torsion force is applied to the nitinol net 51 at one end with small torque through the swivel base 3 at one end with large torque through the torsion strips 6, so that the nitinol net 51 can be easily twisted and compressed, and the sterilized cotton 52 can be easily compressed to discharge liquid.
In one embodiment, the distribution of the through holes 8 is larger than the diameter of the nitinol mesh 51, such that the outer circular contour of the nitinol mesh 51 communicates with all the through holes 8 in the radial direction, while the outer circular contour of the nitinol mesh 51 communicates with the gap 9 between the cleaning rod 2 and the outer tube 1 in the radial direction through the through holes 8.
As shown in fig. 5, in one embodiment, the rail structure 7 includes a rail groove 71 formed on a wall of the outer tube 1 and a rail 72 provided on the probe 4 and slidably fitted in the rail groove 71 and guiding the probe 4 in a direction, a groove width dimension of the rail groove 71 is larger than a width dimension of the rail 72, one end of the rail groove 71 extends to be close to the screw hole 102, and the other end penetrates through the cleaning end 101 of the outer tube 1 in a direction away from the screw hole 102.
As shown in fig. 2 and 3, in one embodiment, the other end of the probe 4 opposite to the flexible absorbing component 5 is provided with an outwards convex spherical surface 12, the image pickup area of the probe 4 is correspondingly arranged on the eccentric part of the spherical surface 12, and the outer end part of the cleaning end 101 is provided with a round angle 13, so that the comfort is improved when the probe 4 and the cleaning end 101 are inserted from anus to rectum.
The above-described embodiments are provided to further explain the objects, technical solutions, and advantageous effects of the present invention in detail. It should be understood that the foregoing is only illustrative of the present invention and is not intended to limit the scope of the present invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.