CN210447824U - Special catheter for spinal cord injury patient - Google Patents

Special catheter for spinal cord injury patient Download PDF

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Publication number
CN210447824U
CN210447824U CN201920885457.3U CN201920885457U CN210447824U CN 210447824 U CN210447824 U CN 210447824U CN 201920885457 U CN201920885457 U CN 201920885457U CN 210447824 U CN210447824 U CN 210447824U
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CN
China
Prior art keywords
clamp
pipe body
positioning
spinal cord
pressing plate
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201920885457.3U
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Chinese (zh)
Inventor
杜元会
陈贵全
曾强
李浪
吕顺丽
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Affiliated Hospital of Traditional Chinese Medicine TCM of Southwest Medical University
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Affiliated Hospital of Traditional Chinese Medicine TCM of Southwest Medical University
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Application filed by Affiliated Hospital of Traditional Chinese Medicine TCM of Southwest Medical University filed Critical Affiliated Hospital of Traditional Chinese Medicine TCM of Southwest Medical University
Priority to CN201920885457.3U priority Critical patent/CN210447824U/en
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Publication of CN210447824U publication Critical patent/CN210447824U/en
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Abstract

The utility model provides a special catheter of spinal cord injury patient, includes the body of soft pipe, its characterized in that: a plurality of first openings which are uniformly distributed are formed in the outer circumference of the head end of the pipe body; the pipe body at the tail part of the second opening is provided with scale marks which are distributed axially; the pipe body is sleeved with a hollow hemispherical positioning sleeve, the tail end of the positioning sleeve is provided with a positioning threaded sleeve for positioning, the upper part and the lower part of the head end of the positioning sleeve are provided with short patches, the left part and the right part of the head end of the positioning sleeve are provided with long patches, and the outer sides of the movable ends of the long patches are connected through an elastic ring; the tail of the pipe body is sleeved with a flow stopping clamp for clamping the pipe body, the tail end of the flow stopping clamp is connected with a sliding clamp through a connecting spring, the sliding clamp is arranged on the periphery of the pipe body, and the upper portion and the lower portion of the inner side of the sliding clamp are respectively provided with an extrusion wheel. The utility model discloses the improper depth of insertion that exists when having solved effectively for installation spinal cord injury patient installation ureter causes the urethra to tear, the ureter easily blocks up and need frequently change the problem of ureter.

Description

Special catheter for spinal cord injury patient
Technical Field
The utility model belongs to the technical field of medical instrument and specifically relates to a special catheter of spinal cord injury patient is related to.
Background
Catheterization is the insertion of a urinary catheter into the bladder via the urethra to draw urine. Aims to relieve the urine retention, take uncontaminated urine samples for examination, measure residual urine, measure the cold and heat feeling, the volume and the pressure of the bladder, inject contrast agents or medicaments to help diagnosis or treatment and the like.
However, for the patient with spinal cord injury, the patient with spinal cord injury does not feel the spinal cord injury, the ureter which is commonly used at present is not graduated, and when inexperienced medical staff installs the ureter, water is pumped when the ureter is not in the bladder, so that the urethra is easy to tear. Another problem is that the head of the urinary catheter is easily blocked by floccules, which causes workload for medical staff if the urinary catheter is replaced, and a series of problems caused by untimely urination can occur if the urinary catheter is not replaced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide a special catheter of spinal cord injury patient, solved effectively and leaded to the urethra to tear, the ureter easily blocks up and need frequently change the problem of ureter for the improper depth of insertion that exists when installing spinal cord injury patient installation ureter at present.
In order to solve the above problems, the utility model adopts the following technical proposal:
the utility model provides a special catheter of spinal cord injury patient, includes the body of soft pipe, its characterized in that: a plurality of first openings which are uniformly distributed are formed in the outer circumference of the head end of the pipe body, and a plurality of second openings which are uniformly distributed are formed in the outer circumference of the pipe body at the tail part of the first openings; the pipe body at the tail part of the second opening is provided with axially distributed scale marks;
the pipe body is sleeved with a hollow hemispherical positioning sleeve, a positioning screw sleeve for positioning is arranged at the tail end of the positioning sleeve, short patches are arranged on the upper portion and the lower portion of the head end of the positioning sleeve, long patches are arranged on the left portion and the right portion of the head end of the positioning sleeve, and the outer sides of the movable ends of the long patches are connected through elastic rings;
the flow stopping clamp is sleeved at the tail of the pipe body and used for clamping the pipe body, the tail end of the flow stopping clamp is connected with a sliding clamp through a connecting spring, the sliding clamp is arranged on the periphery of the pipe body, and extrusion wheels are arranged on the upper portion and the lower portion of the inner side of the sliding clamp.
Preferably, the short patch and the long patch are both made of sterile cotton cloth, medical glue is arranged on the inner sides of the movable ends of the short patch and the long patch, and release paper is arranged on the surface of the medical glue; the outer sides of the long patches are provided with positioning lugs, and the elastic ring penetrates through the positioning lugs to connect the two long patches; the elastic ring is formed by weaving cotton threads and rubber threads.
Preferably, the tail end of the positioning sleeve is provided with an extrusion screw head, the extrusion screw head is provided with an external thread, and the tail end of the extrusion screw head is forwards provided with a through groove; the head end of the positioning threaded sleeve is provided with internal threads, and the positioning threaded sleeve is in threaded connection with the extrusion threaded head; the tail end of the extrusion screw head is provided with a hollow truncated cone, and the tail end of the positioning screw sleeve is provided with a hollow truncated cone; and anti-skid grains are arranged on the outer circumference of the positioning threaded sleeve.
Preferably, the flow stopping clamp comprises a first cone clamp and a second cone clamp, the right ends of the first cone clamp and the second cone clamp are hinged with each other, columnar first limiting columns are arranged on the inner sides of the first cone clamp and the second cone clamp, and the pipe body is located between the two first limiting columns;
the first cone clamp and the second cone clamp are connected through a first reset spring, the left end of the second cone clamp is hinged with a first safety plate, the first safety plate can be turned left and right, a longitudinal section of the first safety plate is provided with a first arc-shaped clamping sleeve, the left end of the first cone clamp is provided with a first column clamping, and the first column clamping is clamped in the first clamping sleeve.
Preferably, the sliding clamp comprises a first pressing plate and a second pressing plate, the right ends of the first pressing plate and the second pressing plate are hinged with each other, the left and right ends of the inner sides of the first pressing plate and the second pressing plate are respectively provided with a columnar second limiting column, and the pipe body is positioned among the four second limiting columns;
the first pressing plate and the left end of the second pressing plate are connected through a second reset spring, the left end of the second pressing plate is hinged to a second safety plate, a second clamping sleeve with an arc-shaped longitudinal section is arranged on the right side of the movable end of the second safety plate, a cylindrical second clamping column is arranged at the left end of the first pressing plate, and the second clamping column is clamped in the second clamping sleeve.
Preferably, the outer ends of the first pressing plate and the second pressing plate are respectively provided with a U-shaped buffer plate, the inner ends of the buffer plates are respectively fixedly connected with two buffer springs, the inner ends of the buffer springs are respectively provided with a limit baffle, and the left side and the right side of the bottom end of the limit baffle are respectively provided with a columnar sliding column; the two extrusion wheels are respectively and rotatably connected with the sliding columns on the upper side and the lower side; the outer circumference of the extrusion wheel is provided with anti-skid lines;
the first pressing plate and the second pressing plate are both connected with the sliding column in a sliding mode.
The utility model discloses novel structure, think about ingenious, easy operation is convenient, compares with prior art and has following advantage:
1. the head end of the tube body of the device is provided with the first openings and the second openings, so that the urination of a patient is smoother and is not easy to block;
2. this device has set up the scale mark at the body for inexperienced medical personnel can clearly see the depth of insertion when inserting the ureter in the urethra, has reduced patient's urethra by the torn probability, has improved patient's comfort level.
3. This device installation is stable, is difficult for droing, through removing the position sleeve to suitable position to rotate the location swivel nut and fix a position the position sleeve, is fixed in patient's urethral orifice skin department with short paster at last, and comes selective use long paster according to patient's sex, when the patient is the male sex, can tie up the elasticity ring in patient's penis department, and paste in patient's urethral orifice skin department with long paster.
4. The ureter mediation that will block up that this device can be quick reduces the frequent work load of changing the ureter of medical personnel, improves patient's quality of life: can be completely cut off catheter head end and tail end through pressing down the clamp of stopping flowing to push down and remove the slide clamp towards catheter tail end direction behind the slide clamp, discharge the urine in the catheter, and form the negative pressure environment, can inhale out the plug of catheter head end, dredge the catheter.
Drawings
Fig. 1 is a first axial drawing of a special catheter for spinal cord injury patients of the utility model.
Fig. 2 is a second shaft mapping diagram of the special catheter for spinal cord injury patient of the utility model.
Fig. 3 is an axonometric view of the catheter body of the special catheter for spinal cord injury patients of the utility model.
Fig. 4 is a first axial drawing of the positioning sleeve and the upper part of the positioning sleeve for the special catheter for the spinal cord injury patient.
Fig. 5 is a second axial drawing of the positioning sleeve and the upper part of the positioning sleeve for the special catheter for the spinal cord injury patient.
Fig. 6 is an axonometric view of the flow stopping clip and the slide clip of the special catheter for spinal cord injury patients of the utility model.
Fig. 7 is an axonometric view of the flow stopping clip of the special catheter for spinal cord injury patient of the utility model.
Fig. 8 is an axonometric view of the slide clamp of the special catheter for spinal cord injury patient of the utility model.
Fig. 9 is an axonometric view of the extrusion wheel and the connecting component of the special catheter for spinal cord injury patients of the utility model.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-9, the utility model provides a special catheter for spinal cord injury patients, which comprises a tube body 1 of a soft tube, wherein a plurality of first openings 2 which are uniformly distributed are arranged on the outer circumference of the head end of the tube body 1, and a plurality of second openings 3 which are uniformly distributed are arranged on the outer circumference of the tube body 1 at the tail part of the first openings 2; the pipe body 1 at the tail part of the second opening 3 is provided with scale marks 4 which are distributed axially;
both the first opening 2 and the second opening 3 are elongated openings. The first opening 2 and the second opening 3 have different axial positions and circumferential positions, so that the second opening 3 can still work after the first opening 2 is blocked. The scale marks 4 are used for visually displaying the insertion depth of the urinary catheter and reducing the operation error rate of medical staff.
The pipe body 1 is sleeved with a hollow hemispherical positioning sleeve 5, a positioning threaded sleeve 10 for positioning is arranged at the tail end of the positioning sleeve 5, short patches 6 are arranged on the upper and lower parts of the head end of the positioning sleeve 5, long patches 7 are arranged on the left and right parts of the head end of the positioning sleeve 5, and the outer sides of the movable ends of the long patches 7 are connected through elastic rings 8;
the positioning sleeve 5 has two functions: first, the fixing device is used for fixing the glans penis of a male patient, and the positioning sleeve 5 is in a hollow hemispherical shape and can be well attached to the glans penis. Second, a short patch 6 and a long patch 7 for fixing thereon. The positioning screw sleeve 10 is rotated and pressed to position the axial position of the positioning sleeve 5. The long patch 7 and the elastic ring 8 cooperate to position the positioning sleeve 5 on the penis of the patient. The short patch 6 can position the locating sleeve 5 to the skin of the patient near the urethral meatus.
The tail of the pipe body 1 is sleeved with a flow stopping clamp 11 for clamping the pipe body 1, the tail end of the flow stopping clamp 11 is connected with a sliding clamp 13 through a connecting spring 12, the sliding clamp 13 is sleeved on the periphery of the pipe body 1, and the upper portion and the lower portion of the inner side of the sliding clamp 13 are provided with extrusion wheels 14.
The flow stopping clip 11 is used for separating the head end and the tail end of the ureteral body 1, the connecting spring 12 is convenient for the resetting of the sliding clip 13, and the sliding clip 13 and the flow stopping clip 11 are integrated and are not easy to lose. The sliding clamp 13 squeezes out urine in the catheter body 1 by means of a squeezing wheel 14 thereon.
The short patch 6 and the long patch 7 are both made of aseptic cotton cloth, the inner sides of the movable ends of the short patch 6 and the long patch 7 are both provided with medical glue 9, and the surface of the medical glue 9 is both provided with release paper; the outer sides of the long patches 7 are provided with positioning lugs, and the elastic ring 8 penetrates through the positioning lugs to connect the two long patches 7; the elastic ring 8 is woven by cotton threads and rubber threads.
The short patch 6 and the long patch 7 are fixed on the positioning sleeve 5 through magic tapes, so that replacement is convenient, and selective use can be realized according to gender. The short patch 6 is for female and the long patch 7 is for male. The positioning sleeve 5 can be stably positioned on the skin of the patient near the urethral orifice through the medical adhesive 9 on the short patch 6 and the long patch 7. The medical adhesive 9 is prepared by mixing synthetic rubber, resin and rubber oil, heating to melt state, and coating on the short patch 6 and the long patch 7.
The tail end of the positioning sleeve 5 is provided with an extrusion screw head 15, the extrusion screw head 15 is provided with an external thread, and the tail end of the extrusion screw head 15 is provided with a through groove forward; the head end of the positioning screw sleeve 10 is provided with an internal thread, and the positioning screw sleeve 10 is in threaded connection with the extrusion screw head 15; the tail end of the extrusion screw head 15 is provided with a hollow truncated cone head 16, and the tail end of the positioning screw sleeve 10 is provided with a hollow truncated cone pipe 17; the outer circumference of the positioning threaded sleeve 10 is provided with anti-skid lines.
The positioning principle of the positioning sleeve 5 is as follows: by rotating the positioning screw sleeve 10, the conical head 16 at the tail end of the extrusion screw head 15 is inserted into the conical tube 17. Due to the presence of the groove, the rear end of the pressing screw 15 can be pressed, and the positioning sleeve 5 is limited to the current position by friction.
The flow stopping clamp 11 comprises a first cone clamp 18 and a second cone clamp, the right ends of which are hinged with each other, the inner sides of the first cone clamp 18 and the second cone clamp 19 are both provided with a first columnar limiting column 20, and the pipe body 1 is positioned between the two first limiting columns 20; the first limiting column 20 is used for limiting the pipe body 1 in a certain range in the flow stopping clamp 11, and is convenient to be extruded.
First awl press from both sides 18 and second awl press from both sides 19 left end and connect through first reset spring 21, the second awl presss from both sides 19 left end and articulates there is the first safety plate 22 that can control the upset, first safety plate 22 expansion end right side is provided with longitudinal section for curved first cutting ferrule 24, first awl presss from both sides 18 left end and is provided with cylindrical first card post 23, first card post 23 joint in first cutting ferrule 24.
The first safety plate 22 is used for stopping the flow stopping clip 11 when the ureter body 1 is not blocked, so as to prevent the ureter from being extruded and blocked by human error.
The flow stopping principle of the flow stopping clip 11 is as follows: the first safety plate 22 is turned to the bottom to release the restriction of the flow stopping clip 11. Then pressing the first cone clamp 18 and the second cone clamp 19 can press the tube body 1 to be flat, and the urine flow is prevented. When the urine tube is required to be released from the flow stopping, the first cone clamp 18 and the second cone clamp 19 are restored to the original state under the action of the first return spring 21, and the first safety plate 22 and the first cone clamp 18 are clamped by pulling the first safety plate 22.
The sliding clamp 13 comprises a first pressing plate 25 and a second pressing plate 26, the right ends of the first pressing plate 25 and the second pressing plate 26 are hinged to each other, the left and right ends of the inner sides of the first pressing plate 25 and the second pressing plate 26 are respectively provided with a columnar second limiting column 27, and the pipe body 1 is positioned among the four second limiting columns 27;
the first and second pressure plates 25, 26 are shaped approximately like an L to facilitate the squeezing of the urinary catheter by the squeezing wheel 14. The second restraint post 27 serves to restrain the urinary catheter within a certain range within the slide clamp 13.
First clamp plate 25 and second clamp plate 26 left end pass through second reset spring 28 and connect, second clamp plate 26 left end articulates there is second safety plate 29, second safety plate 29 expansion end right side is provided with longitudinal section for curved second cutting ferrule 31, first clamp plate 25 left end is provided with cylindrical second card post 30, second card post 30 joint in the second cutting ferrule 31.
The second safety plate 29 is used for stopping the sliding clamp 13 when the catheter body 1 is not blocked, so as to prevent the sliding clamp from extruding the catheter and causing blockage by human error.
The outer ends of the first pressure plate 25 and the second pressure plate 26 are respectively provided with a U-shaped buffer plate 32, the inner ends of the buffer plates 32 are respectively fixedly connected with two buffer springs 35, the inner ends of the buffer springs 35 are respectively provided with a limit baffle 34, and the left side and the right side of the bottom end of the limit baffle 34 are respectively provided with a columnar sliding column 33; the two squeezing wheels 14 are respectively and rotatably connected with the upper and lower sliding columns 33; the outer circumference of the extrusion wheel 14 is provided with anti-skid lines; the first pressing plate 25 and the second pressing plate 26 are both connected with the sliding column 33 in a sliding mode. The sliding column 33 and the buffer plate 32 thereon are used to provide a buffer to prevent over-compression of the tube 1. When the first pressing plate 25 and the second pressing plate 26 of the pressing wheel 14 approach each other, the two pressing wheels 14 are not parallel but can still press the tube 1.
The sliding clamp 13 is used for pressing urine in the urinary catheter, and the principle is that the first pressing plate 25 and the second pressing plate 26 are pressed to enable the two pressing wheels 14 to approach each other and press the catheter body 1 of the urinary catheter, and then the first pressing plate 25 and the second pressing plate 26 are pushed to move towards the tail end of the catheter body 1, so that the urine in the catheter body 1 of the urinary catheter can be discharged, and a vacuum environment in the catheter is formed.
When the device is used, the head end of the tube body 1 is firstly inserted into the urethra of a patient, the insertion is stopped according to the number indicated by the scale mark 4, the positioning sleeve 5 is placed at the urethral orifice of the patient, the short patch 6 or the long patch 7 is selectively used according to the sex of the patient, and when the patient is female, the positioning sleeve 5 is positioned on the skin near the urethral orifice of the patient by using the short patch 6. When the patient is male, the positioning sleeve 5 is positioned on the penis of the patient using the long patch 7 and the elastic ring 8, and is stuck to the skin of the patient near the penis using the end of the long patch 7. Finally, the positioning screw sleeve 10 is screwed to position the positioning sleeve 5 at the target position.
When the device is blocked, the first safety plate 22 is firstly pulled to turn to the bottom, and the restriction on the flow stopping clip 11 is released. Then pressing the first cone clamp 18 and the second cone clamp 19 can press the tube body 1 to be flat, and the urine flow is prevented. The second safety plate 29 is pulled to turn to the bottom, and the restriction of the slide clamp 13 is released. The first pressing plate 25 and the second pressing plate 26 are pressed to enable the two pressing wheels 14 to approach each other and press the tube body 1 of the urinary catheter, and then the first pressing plate 25 and the second pressing plate 26 are pushed to move towards the tail end of the tube body 1, so that urine in the tube body 1 of the urinary catheter can be discharged, and a vacuum environment in the tube is formed. The blocking object can be sucked out.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or scope of the invention as defined in the appended claims.
Although terms such as the tube body 1, the first opening 2, the second opening 3, the graduation mark 4, the positioning sleeve 5, the short patch 6, the long patch 7, the elastic ring 8, the medical adhesive 9, the positioning screw sleeve 10, the flow stopping clip 11, the connecting spring 12, the sliding clip 13, the pressing wheel 14, the pressing screw head 15, the cone head 16, the cone tube 17, the first cone clip 18, the second cone clip 19, the first limit post 20, the first return spring 21, the first safety plate 22, the first clamping post 23, the first clamping sleeve 24, the first pressing plate 25, the second pressing plate 26, the second limit post 27, the second return spring 28, the second safety plate 29, the second clamping post 30, the second clamping sleeve 31, the buffer plate 32, the sliding post 33, the limit baffle 34, and the buffer spring 35 are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (6)

1. The utility model provides a special catheter of spinal cord injury patient, includes body (1) of soft pipe, its characterized in that: a plurality of first openings (2) which are uniformly distributed are formed in the outer circumference of the head end of the pipe body (1), and a plurality of second openings (3) which are uniformly distributed are formed in the outer circumference of the pipe body (1) at the tail part of the first openings (2); the pipe body (1) at the tail part of the second opening (3) is provided with scale marks (4) which are distributed axially;
the pipe body (1) is sleeved with a hollow hemispherical positioning sleeve (5), a positioning threaded sleeve (10) for positioning is arranged at the tail end of the positioning sleeve (5), short patches (6) are arranged on the upper portion and the lower portion of the head end of the positioning sleeve (5), long patches (7) are arranged on the left portion and the right portion of the head end of the positioning sleeve (5), and the outer sides of the movable ends of the long patches (7) are connected through elastic rings (8);
the flow stopping clamp (11) used for clamping the pipe body (1) is sleeved at the tail of the pipe body (1), the tail end of the flow stopping clamp (11) is connected with a sliding clamp (13) through a connecting spring (12), the sliding clamp (13) is sleeved at the periphery of the pipe body (1), and extrusion wheels (14) are arranged at the upper and lower parts of the inner side of the sliding clamp (13).
2. The special catheter for the spinal cord injury patient as claimed in claim 1, wherein: the short patch (6) and the long patch (7) are both made of aseptic cotton cloth, the inner sides of the movable ends of the short patch (6) and the long patch (7) are both provided with medical glue (9), and the surface of the medical glue (9) is both provided with release paper; the outer sides of the long patches (7) are provided with positioning lugs, and the elastic ring (8) penetrates through the positioning lugs to connect the two long patches (7); the elastic ring (8) is formed by weaving cotton threads and rubber threads.
3. The special catheter for the spinal cord injury patient as claimed in claim 1, wherein: an extrusion screw head (15) is arranged at the tail end of the positioning sleeve (5), an external thread is arranged on the extrusion screw head (15), and a through groove is formed forwards at the tail end of the extrusion screw head (15); the head end of the positioning threaded sleeve (10) is provided with internal threads, and the positioning threaded sleeve (10) is in threaded connection with the extrusion threaded head (15); a hollow truncated cone head (16) is arranged at the tail end of the extrusion screw head (15), and a hollow truncated cone pipe (17) is arranged at the tail end of the positioning screw sleeve (10); the outer circumference of the positioning threaded sleeve (10) is provided with anti-skid lines.
4. The special catheter for the spinal cord injury patient as claimed in claim 1, wherein: the flow stopping clamp (11) comprises a first cone clamp (18) and a second cone clamp, the right ends of the first cone clamp and the second cone clamp are hinged with each other, the inner sides of the first cone clamp (18) and the second cone clamp (19) are respectively provided with a first columnar limiting column (20), and the pipe body (1) is positioned between the two first limiting columns (20);
first awl press from both sides (18) and second awl press from both sides (19) left end and connect through first reset spring (21), the second awl presss from both sides (19) left end and articulates there is () first safety plate (22) that can control the upset, first safety plate (22) expansion end right side is provided with longitudinal section for curved first cutting ferrule (24), first awl presss from both sides (18) left end and is provided with cylindrical first calorie of post (23), first calorie of post (23) joint in first cutting ferrule (24).
5. The special catheter for the spinal cord injury patient as claimed in claim 1, wherein: the sliding clamp (13) comprises a first pressing plate (25) and a second pressing plate (26) with the right ends hinged to each other, columnar second limiting columns (27) are arranged at the left and right ends of the inner sides of the first pressing plate (25) and the second pressing plate (26), and the pipe body (1) is located among the four second limiting columns (27);
first clamp plate (25) and second clamp plate (26) left end pass through second reset spring (28) and connect, second clamp plate (26) left end articulates there is second safety plate (29), second safety plate (29) expansion end right side is provided with longitudinal section for curved second cutting ferrule (31), first clamp plate (25) left end is provided with cylindrical second card post (30), second card post (30) joint in second cutting ferrule (31).
6. The special catheter for the spinal cord injury patient as claimed in claim 5, wherein: the outer ends of the first pressing plate (25) and the second pressing plate (26) are respectively provided with a U-shaped buffer plate (32), the inner ends of the buffer plates (32) are respectively fixedly connected with two buffer springs (35), the inner ends of the buffer springs (35) are respectively provided with a limit baffle (34), and the left side and the right side of the bottom end of the limit baffle (34) are respectively provided with a columnar sliding column (33); the two squeezing wheels (14) are respectively and rotatably connected with the upper and lower sliding columns (33); the outer circumference of the extrusion wheel (14) is provided with anti-skid lines;
the first pressing plate (25) and the second pressing plate (26) are both connected with the sliding column (33) in a sliding mode.
CN201920885457.3U 2019-06-13 2019-06-13 Special catheter for spinal cord injury patient Expired - Fee Related CN210447824U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920885457.3U CN210447824U (en) 2019-06-13 2019-06-13 Special catheter for spinal cord injury patient

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Application Number Priority Date Filing Date Title
CN201920885457.3U CN210447824U (en) 2019-06-13 2019-06-13 Special catheter for spinal cord injury patient

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Publication Number Publication Date
CN210447824U true CN210447824U (en) 2020-05-05

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Application Number Title Priority Date Filing Date
CN201920885457.3U Expired - Fee Related CN210447824U (en) 2019-06-13 2019-06-13 Special catheter for spinal cord injury patient

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113230521A (en) * 2021-04-23 2021-08-10 西南医科大学附属中医医院 One-step bladder fistulization tube implanting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113230521A (en) * 2021-04-23 2021-08-10 西南医科大学附属中医医院 One-step bladder fistulization tube implanting device

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Granted publication date: 20200505

Termination date: 20210613