CN213285176U

CN213285176U - Catheter imbedding device

Info

Publication number: CN213285176U
Application number: CN202020770272.0U
Authority: CN
Inventors: 李再尚; 李学莹; 刘岩峰; 钟樟桂; 张思思
Original assignee: Shenzhen Peoples Hospital
Current assignee: Shenzhen Peoples Hospital
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-05-28
Anticipated expiration: 2030-05-11

Abstract

The utility model provides a device is put into to catheter, including putting into body, haulage rope and adjust knob, put into the body and put into section, bend section and second including end to end's the first section of putting into in proper order and put into the section, be provided with the elasticity fold on the pipe diameter of bend section, can follow the shortening of haulage rope draws in or expandes for first bend section of putting into between section and the second section of putting into produces bending deformation. The utility model provides an embedding pipe body of a catheter embedding device, which can adjust the bending radian of a bending section according to the physiological curve radians of different patients, thereby the catheter embedding device can be suitable for different patients; the catheter imbedding device is used for assisting in imbedding the catheter, the imbedding success rate of the catheter can be greatly improved, the imbedding device is simple in structure and convenient to operate, the operation difficulty of medical workers for imbedding the catheter is reduced, and pain of a patient when the catheter is placed is relieved.

Description

Catheter imbedding device

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a catheter imbeds device is related to.

Background

In male urinary diseases, the urethra is deformed due to prostatic hyperplasia, urethral trauma, sexually transmitted diseases and the like, and the normal urination is not realized, so that a catheter is required to be placed into a patient for urination. However, such patients often fail to have a urinary catheter implanted due to disease. The existing catheters are made of skin-friendly medical silica gel materials which can be deformed and bent at will, and the soft materials of the catheters cannot adapt to the physiological bending radian of the human body at the front end of the urethra. Especially for patients with urethral deformities or other urethral disorders, the physiologic curvature is more narrow or has a pathologic curvature of the urethra, which is more detrimental to the insertion of existing catheters. The patient who can not put into the catheter needs to urinate under the assistance of the endoscope or through modes such as operation implantation catheter, even needs to go on through cystostomy, has not only increased the degree of difficulty of treatment, the degree of difficulty of nursing, has increased patient's misery more, has prolonged patient's recovery time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the soft unable human physiological curvature radian at the urethra front end of adaptation of current catheter material and lead to putting into the difficulty, especially have the patient of urethra deformation or urethra disease and need put into the shortcoming of catheter in the supplementary or mode of operation fistulization of endoscope, provide a device is put into to the catheter.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a device is put into to catheter, including putting into the body, set up in put into the internal haulage rope of body and set up in be used for adjusting on putting into the body the haulage rope is in put into the adjust knob of internal length of body, put into the body and put into the section including end to end's first section, bend section and the second of putting into in proper order, the front end of haulage rope be fixed in on the first section of putting into, be provided with on the inner wall of section is put into to the second and supply the direction recess of haulage rope embedding, be provided with the elasticity fold on the pipe diameter of bend section, the elasticity fold can be along with the shortening of haulage rope draws in or expand, makes first section of putting into with the bend section that the second put into between the section produces bending deformation.

Furthermore, the adjusting knob is arranged at the tail end of the second embedding section, and a connecting hole for inserting the adjusting knob is formed in the second embedding section.

Specifically, the adjusting knob comprises an inner adjusting end and an outer adjusting end which are arranged at the connecting hole, and the inner adjusting end is arranged inside the second embedded section and is fixedly connected with the tail end of the traction rope; the outer adjusting end is arranged outside the second embedding section and is fixedly connected with the inner adjusting end; the pull rope can be wound around the periphery of the inner adjusting end by rotating the outer adjusting end.

Specifically, the bottom of interior regulation end is provided with first annular arch, the top of outer regulation end is provided with the second annular arch.

Furthermore, the pipe diameter of the placing pipe body is 3mm-5 mm.

Specifically, the front end of the first embedding section is provided with a through hole for a guide wire to penetrate through, and the aperture of the through hole is 1mm-2 mm.

Specifically, the length of the first embedded section is 3mm-10 mm.

Specifically, the length of the second embedded section is 20cm-25 cm.

Furthermore, the hauling cable is a linear medical steel wire rope.

Furthermore, the first embedding section, the bending section and the second embedding section of the embedding pipe body are integrally formed.

The utility model provides a beneficial effect of device is put into to catheter lies in: the bending section in the catheter body can realize the adjustment of different bending degrees through the traction rope and the adjusting knob, so that the bending radian of the bending section can be adjusted according to the physiological curve radians of different patients, and the catheter embedding device can be suitable for different patients; the urethral catheter imbedding device is used for assisting in imbedding of the urethral catheter, the imbedding success rate of the urethral catheter can be greatly improved, the imbedding device is simple in structure and convenient to operate, the operation difficulty of medical workers for imbedding the urethral catheter is reduced, and the urethral catheter imbedding device is particularly suitable for being used in an imbedding urethral catheter of a patient who cannot normally urinate due to urethral deformation caused by prostatic hyperplasia, urethral trauma, sexually transmitted diseases and the like, pain of the patient when the urethral catheter is imbedded is relieved, and unnecessary secondary damage to the patient when the urethral catheter is imbedded is reduced.

Drawings

Fig. 1 is an elevational view of a catheter insertion device of the present invention in an initial state;

fig. 2 is a top view of a catheter insertion device in an initial state;

fig. 3 is an elevation view of a catheter insertion device in a flexed position.

In the figure: 100-a catheter imbedding device, 10-an imbedding tube body, 11-a first imbedding section, 111-a through hole, 12-a bending section, 121-an elastic fold, 13-a second imbedding section, 20-a hauling rope, 21-the front end of the hauling rope, 22-the tail end of the hauling rope, 30-an adjusting knob, 31-an inner adjusting end, 311-a first annular bulge, 32-an outer adjusting end, 321-a second annular bulge, D1-the tube diameter of the imbedding tube body, the aperture of the D2-a through hole, L1-the length of the first imbedding section and L2-the length of the second imbedding section.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, there is shown a front view of an initial state of a catheter insertion device 100 according to the present invention. The catheter imbedding device 100 can be used as an auxiliary tool when the catheter is placed into a patient, in particular to the use of the patient who can not normally imbed the catheter due to the reasons of prostatic hyperplasia, urethral trauma, sexually transmitted diseases and the like, the catheter imbedding device 100 can be placed into the urethra of the patient, the guide wire is then placed into the body of the patient and then is withdrawn out of the catheter imbedding device 100, and finally, the conventional catheter is smoothly retained in the body of the patient through the guide wire.

Further, the catheter imbedding device 100 provided by the present invention comprises an imbedding tube 10, a pulling rope 20 disposed in the imbedding tube 10, and an adjusting knob 30 disposed on the imbedding tube 10 for adjusting the length of the pulling rope 20 in the imbedding tube 10. The adjusting knob 30 of the catheter insertion device 100 is used to adjust the length of the pulling string 20 disposed in the insertion tube body 10, and in the initial state shown in fig. 1, the length of the pulling string 20 is the longest, and at this time, the insertion tube body 10 is linearly disposed. The pull string 20 disposed in the insertion tube 10 is tightened by the adjustment knob 30 to achieve bending of the insertion tube 10. The utility model provides a medical wire rope of pull rope 20 of device 100 is put into to the catheter of linear type. The pulling rope 20 is a linear stainless steel wire rope, which is disposed inside the insertion tube 10 in an initial state, as shown in fig. 1, and when the adjusting knob 30 is rotated, the end 22 of the pulling rope 20 is curled on the adjusting knob 30, so as to tighten the pulling rope 20.

Specifically, as shown in fig. 2, the insertion tube 10 of the catheter insertion device 100 of the present invention includes a first insertion section 11, a bending section 12, and a second insertion section 13 connected end to end in sequence. The insertion tube 10 is divided into a front section, a middle section and a rear section, wherein the first insertion section 11 at the front end and the second insertion section 13 at the rear end are both linear tubular structures, and the bending section 12 connecting the first insertion section 11 and the second insertion section 13 is in a foldable state. In the initial state, the curved section 12 has a linear configuration as shown in fig. 1. When the pulling string 20 inserted into the tubular body 10 is tightened, the bending portion 12 has a curved structure as shown in fig. 3, thereby achieving a curved design of the insertion tubular body 10.

Further, as shown in fig. 1, the front end 21 of the pulling rope 20 disposed in the insertion tube 10 is fixed to the first insertion section 11, and the inner wall of the second insertion section 13 is provided with a guide groove (not shown) for inserting the pulling rope 20. The pull-cord 20 is fastened at its front end 21 to the first insertion section 11 and at its rear end 22 to the adjusting knob 30. In order to movably connect the pull rope 20 to the second insertion section 13 in the high school, a guide groove extending to the adjusting knob 30 is provided on the second insertion section 13, and the pull rope 20 can be embedded in the guide groove and can move along the direction of the guide groove. When the adjustment knob 30 is rotated, the traction rope 20 can be moved and tightened toward the adjustment knob 30 side along the arrangement direction of the guide groove.

Specifically, the tube diameter of the bending section 12 of the insertion tube 10 is provided with an elastic fold 121, and the elastic fold 121 can be folded or unfolded along with the shortening of the pulling rope 20, so that the bending section 12 between the first insertion section 11 and the second insertion section 13 is bent and deformed. In an initial state, as shown in fig. 1, the bending section 12 is linearly disposed, and when the adjusting knob 30 is rotated to cause the pulling rope 20 to contract, the first insertion section 11 moves toward the second insertion section 13 side along with the pulling of the pulling rope 20, so that the elastic folds 121 on the bending section 12 contract on a side close to the pulling rope 20 and expand on a side far from the pulling rope 20, thereby achieving the bending deformation of the bending section 12 as shown in fig. 3. The bending section 12 is bent to form the insertion tube 10 into a tube with a bent front end. In practice, the bending angle of the bending section 12 can be adjusted with the contraction of the pulling rope 20, and the bending angle can be controlled between 0-60 degrees. Moreover, the bending angle of the bending section 12 can be adjusted according to the actual physiological curvature of the patient into which the catheter introducer 100 needs to be inserted, so that the catheter introducer 100 can be suitable for different patients, better fit the physiological curvature of the patient, and reduce discomfort of the catheter introducer 100 inserted into the urethra of the patient as much as possible.

Further, as shown in fig. 1, the adjusting knob 30 is disposed at the end of the second insertion section 13, and the second insertion section 13 is provided with a connecting hole (not shown) into which the adjusting knob 30 is inserted. The adjusting knob 30 is disposed at the end of the second insertion section 13, so that when the insertion tube 10 is inserted into the urethra of the patient, the bending angle of the insertion tube 10 can be adjusted at any time along with the insertion of the insertion tube 10, and the catheter insertion device 100 can be more fit to the urethra of the patient.

Specifically, the adjusting knob 30 comprises an inner adjusting end 31 and an outer adjusting end 32 which are arranged at the connecting hole, the inner adjusting end 31 is arranged inside the second imbedding section 13 and is fixedly connected with the tail end of the traction rope 20; the outer adjusting end 32 is arranged outside the second inserting section 13 and is fixedly connected with the inner adjusting end 31; the pull-cord 20 can be wrapped around the outer circumference of the inner adjustment end 31 by rotating the outer adjustment end 32. The adjusting knob 30 is fixed at the connecting hole of the second inserting section 13 from the inner side and the outer side of the inserting tube 10, respectively. The inner adjustment end 31 is used to fix the end 22 of the pulling rope 20, and the outer adjustment end 32 is conveniently arranged outside the pipe body 10 to adjust and control the pulling rope 20. Whether the adjusting knob 30 is rotated clockwise or counterclockwise, the pulling rope 20 is curled around the outer periphery of the inner adjusting end 31, so as to contract the pulling rope 20 and bend the inserting tube 10. And the more the pull cord 20 is curled, the greater the angle at which the bent section 12 is bent.

Specifically, the bottom of the inner adjustment end 31 is provided with a first annular protrusion 311, and the top of the outer adjustment end 32 is provided with a second annular protrusion 321. The first annular protrusion 311 and the second annular protrusion 321 are disposed to prevent the adjusting knob 30 from being removed from the connecting hole of the second insertion section 13.

Further, the first insertion section 11, the bending section 12 and the second insertion section 13 of the insertion tube 10 are integrally formed, the three sections are made of medical silica gel materials, and the whole insertion tube 10 has certain toughness and cannot be extruded and deformed by the urethra when being inserted into the urethra of a patient. The catheter imbedding device 100 can be selected from imbedding tube bodies 10 with different tube diameters according to different applicable catheter tube diameters, the tube diameter of the imbedding tube body 10 is 3mm-5mm, and the tube diameters D1 of the first imbedding section 11 and the second imbedding section 13 are the same.

Specifically, the first insertion section 11 is the portion of the catheter insertion device 100 that extends into the urethra of the patient first, so that the hardness of the first insertion section 11 is greater to facilitate the insertion of the insertion tube 10 into the urethra of the patient. The length L1 of the first insertion section 11 is 3mm to 10 mm. In this embodiment, the length L1 of the first insertion section 11 is 5 mm. If the length L1 of the first insertion section 11 is too small, the pull rope 20 cannot be effectively fixed, and the hardness requirement of the first insertion section 11 cannot be ensured with the through hole 111. If the length L1 of the first insertion section 11 is too large, the bending angle of the insertion tube 10 cannot be ensured to fit the physiological curvature of the front end of the urethra of the patient as much as possible. The length L2 of the second insertion section 13 is 20cm-25 cm. The length of the second insertion section 13 is only required to ensure that 50-80% of the entire insertion tube 10 enters the urethra of the patient.

Specifically, in order to facilitate the placement of the catheter insertion device 100 into the urethra of the patient, it is ensured that the guide wire can smoothly enter the bladder of the patient through the catheter insertion device 100. The front end of the first insertion section 11 is provided with a through hole 111 for a guide wire to pass through. The through hole 111 is provided to facilitate the insertion of the guide wire, and therefore, the diameter D2 of the through hole 111 must be larger than the diameter of the guide wire. If the diameter of the through hole 111 is too large, the hardness requirement of the first insertion section 11 cannot be ensured. The aperture D2 of the through hole 111 is thus 1mm to 2 mm.

The utility model provides a device 100 is put into to catheter is in the in-service use process, put into the catheter 100 the first section 11 slow inserting patient's urethra of putting into of the front end of putting into body 10, insert patient's urethra in-process, according to the rotatory adjust knob 30 of the physiology curvature of patient urethra, make bending section 12 progressively crooked to the urethra physiology curvature of laminating patient, make bending section 12 and the second of putting into body 10 put into section 13 all can be smooth get into the narrow or crooked part of patient urethra. Insertion of the urinary catheter insertion device 100 is stopped when urine is visible within the urinary catheter insertion device 100, at which point the urinary catheter insertion device 100 has been inserted into the bladder of the patient. Then, a guide wire is inserted into the interior of the insertion tube body 10 and is inserted into the bladder of the patient from the through hole 111 at the front end of the insertion tube body 10. Finally, the catheter insertion device 100 is withdrawn from the patient and the catheter is smoothly retained in the urethra of the patient with the aid of the guide wire. Through the utility model provides a device 100 is put into to catheter can assist putting into of catheter, is particularly useful for the patient that the urethra is narrow and urethra is out of shape to use.

The bending section 12 of the implanted tube body 10 of the catheter implanting device 100 provided by the utility model can realize the adjustment of different bending degrees through the traction rope 20 and the adjusting knob 30, so that the implanted tube body 10 can adjust the bending degree of the bending section 12 according to the physiological curve degrees of different patients, and the catheter implanting device 100 can be suitable for different patients; the urethral catheter imbedding device 100 is used for assisting in imbedding of a urethral catheter, the imbedding success rate of the urethral catheter can be greatly improved, the imbedding device is simple in structure and convenient to operate, the operation difficulty of medical workers for imbedding the urethral catheter is reduced, and the urethral catheter imbedding device is particularly suitable for being used in an imbedding urethral catheter of a patient who cannot normally urinate due to urethral deformation caused by prostatic hyperplasia, urethral trauma, sexually transmitted diseases and the like, pain of the patient when the urethral catheter is placed is relieved, and unnecessary secondary damage to the patient when the urethral catheter is placed is reduced as much as possible.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a device is put into to catheter, its characterized in that, including put into the body, set up in put into the internal haulage rope of body and set up in be used for adjusting on putting into the body the haulage rope is in put into the adjust knob of internal length of body, put into the body and put into the section including end to end's first section, curved segment and the second of putting into in proper order, the front end of haulage rope is fixed in on the first section of putting into, be provided with on the inner wall of section is put into to the second and supply the guide groove of haulage rope embedding, be provided with the elasticity fold on the pipe diameter of curved segment, the elasticity fold can be along with the shortening of haulage rope draws in or expand, makes first section of putting into with the curved segment that the second was put into between the section produces bending deformation.

2. The catheter insertion device according to claim 1, wherein said adjusting knob is provided at an end of said second insertion section, and said second insertion section is provided with a coupling hole into which said adjusting knob is inserted.

3. The catheter insertion device according to claim 2, wherein said adjusting knob comprises an inner adjusting end and an outer adjusting end disposed at said connecting hole, said inner adjusting end being disposed inside said second insertion section and fixedly connected to the end of said pulling rope; the outer adjusting end is arranged outside the second embedding section and is fixedly connected with the inner adjusting end; the pull rope can be wound around the periphery of the inner adjusting end by rotating the outer adjusting end.

4. A catheter insertion device according to claim 3 wherein said inner adjustment end is provided with a first annular projection at the bottom and a second annular projection at the top.

5. A catheter introducer device as set forth in claim 1, wherein said introducer tube has a diameter of 3mm to 5 mm.

6. The urinary catheter insertion device according to claim 1, wherein the front end of the first insertion section is provided with a through hole for a guide wire to pass through, and the diameter of the through hole is 1mm-2 mm.

7. A catheter insertion device according to claim 6, wherein said first insertion section has a length of 3mm to 10 mm.

8. The catheter introducer device of claim 7, wherein said second insertion section has a length of 20cm to 25 cm.

9. The catheter introducer device of claim 1, wherein said pull cord is a straight medical wire.

10. The catheter introducer device of claim 1, wherein the first introducer section, the curved section, and the second introducer section of the introducer tube body are integrally formed.