CN115400332B - External anti-infection device for abdominal wall of abdominal end catheter of V-P shunt operation - Google Patents
External anti-infection device for abdominal wall of abdominal end catheter of V-P shunt operation Download PDFInfo
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- CN115400332B CN115400332B CN202211132680.3A CN202211132680A CN115400332B CN 115400332 B CN115400332 B CN 115400332B CN 202211132680 A CN202211132680 A CN 202211132680A CN 115400332 B CN115400332 B CN 115400332B
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- 210000003815 abdominal wall Anatomy 0.000 title claims abstract description 23
- 230000003187 abdominal effect Effects 0.000 title claims abstract description 17
- 230000002924 anti-infective effect Effects 0.000 title claims abstract description 14
- 208000015181 infectious disease Diseases 0.000 claims abstract description 32
- 210000000683 abdominal cavity Anatomy 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 36
- 230000002265 prevention Effects 0.000 claims description 10
- 230000000670 limiting effect Effects 0.000 claims description 8
- 210000001175 cerebrospinal fluid Anatomy 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 9
- 230000000151 anti-reflux effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 210000001519 tissue Anatomy 0.000 description 5
- 208000003906 hydrocephalus Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- 208000002403 Encephalocele Diseases 0.000 description 1
- 206010027259 Meningitis tuberculous Diseases 0.000 description 1
- 208000022971 Tuberculous meningitis Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 208000001223 meningeal tuberculosis Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 201000011107 obstructive hydrocephalus Diseases 0.000 description 1
- 210000003200 peritoneal cavity Anatomy 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/006—Cerebrospinal drainage; Accessories therefor, e.g. valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Ophthalmology & Optometry (AREA)
- Neurology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses an external anti-infection device for an abdominal wall of a catheter at the abdominal end of a V-P shunt operation, and relates to the technical field of medical equipment. The external anti-infection device for the abdominal wall of the abdominal cavity end catheter of the V-P shunt operation comprises a main body, wherein the left end of the main body is provided with a catheter, the top end of a supporting plate is fixedly arranged on the inner wall of the top of the main body, and an anti-backflow infection mechanism is arranged in the main body. This external anti-infection device of V-P reposition of redundant personnel art abdominal cavity end pipe abdominal wall, in order to avoid when carrying out drainage treatment to the patient, the reverse flow that external drainage equipment probably appears leads to the patient's health to receive the infection, influence patient's physical safety, through being provided with anti-reflux infection mechanism, cooperation reset spring one and arc guide piece, so that the anti-reflux stopper can play the effect that prevents reverse flow to the connecting portion between pipe and the main part, avoid flowing in the drainage in-process cerebrospinal fluid reverse, lead to the patient to receive retrograde infection, influence the treatment of operation.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an external anti-infection device for an abdominal wall of a catheter at the abdominal end of a V-P shunt operation.
Background
Hydrocephalus cannot be subjected to ventricular-peritoneal shunt operation for a period of time due to various reasons (such as higher cerebral leucocyte and protein, tuberculous meningitis, obstructive hydrocephalus or bloody cerebrospinal fluid), the ventricular external drainage or lumbar cistern drainage can be firstly carried out, but the ventricular external drainage operation generally has the risk of local infection and retrograde infection caused by seepage after 7 days and 12 days of lumbar cistern drainage operation, so that the catheter needs to be pulled out, cerebral hernia can be caused by lumbar cistern drainage, in this case, the ventricular-peritoneal shunt operation abdominal wall external drainage can be carried out, the peritoneal cavity end catheter can be further incorporated into the abdominal cavity after the characteristics of cerebrospinal fluid and normal biochemistry, the risk can be avoided, the hydrocephalus can be timely solved, the high cranium pressure can be relieved, the life of a patient can be saved, and the secondary operation can be avoided, high medical cost can be saved for the patient, and in the operation, the external abdominal cavity of the catheter is required to be prepared to prevent the abdominal cavity infection caused by retrograde infection, and the external abdominal cavity end catheter is dangerous to the patient, so that the external infection preventing device for the infection is required to be applied to the patient, and the external shunt device is required to be used to the abdominal cavity end.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an external anti-infection device for the abdominal wall of a catheter at the abdominal end of a V-P shunt operation, which solves the problems mentioned in the background art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an external anti-infection device of V-P reposition of redundant personnel art abdominal cavity end pipe abdominal wall, includes the main part, the pipe has been seted up to the left end of main part, the drainage tube has been seted up to the bottom of main part, the top of backup pad is fixedly installed to the top inner wall of main part, the inside of main part is provided with prevents counter current infection mechanism, prevent counter current infection mechanism includes:
the rotary table is rotatably arranged on the outer wall of the right side of the main body, the outer wall of the left side of the rotary table is fixedly connected with the right end of the rotary drum, the inner wall of the left end of the rotary drum is slidably connected with a slide bar, and the left end of the slide bar is fixedly connected with an anti-backflow plug;
the left outer wall of the anti-backflow plug is fixedly connected with the right end of the arc-shaped guide piece;
the rotary table comprises a knob, wherein the knob is rotatably arranged on the inner surface of the rotary table, the left side outer wall of the knob is fixedly connected with the right end of a screw rod, the outer wall of the screw rod is in threaded connection with a threaded sliding block, the left side outer wall of the threaded sliding block is fixedly connected with the right end of a telescopic rod, the left end of the telescopic rod is fixedly connected with the right end face of a sliding rod, the left side outer wall of the threaded sliding block is fixedly connected with the right end of a first reset spring, and the left end of the first reset spring is fixedly connected with the right end face of the sliding rod.
Preferably, a plurality of groups of bar-shaped limiting bars are arranged on the right arc-shaped outer wall of the sliding bar, and a limiting chute matched with the bar-shaped limiting bars is arranged on the left inner wall of the rotary drum.
Preferably, the outer wall of the right side of the rotary disc is provided with a cylindrical groove with the diameter larger than the outer diameter of the knob, and the knob is rotatably arranged on the inner surface of the left end of the cylindrical groove.
Preferably, the outer surface of the thread slider is provided with a square shape, and the inner surface of the drum is provided with a square shape which is matched with the outer surface of the thread slider.
Preferably, the positioning mechanism is arranged on the inner wall of the main body and comprises a button, the button is slidably connected with the inner wall of the main body, the right end of a toothed bar is fixedly connected with the left outer wall of the button, the right end of a return spring II is fixedly connected with the left outer wall of the button, a transmission gear I is rotatably arranged on the inner wall of the main body, a transmission gear II is fixedly arranged on the inner wall of the transmission gear in a coaxial manner, and a transmission rod is slidably arranged on the inner wall of the main body.
Preferably, limit jacks with the same size as the bottom end of the transmission rod are formed in the arc-shaped outer wall of the rotary drum.
(III) beneficial effects
The invention provides an external anti-infection device for the abdominal wall of a catheter at the abdominal end of a V-P shunt operation. The beneficial effects are as follows:
(1) When the external anti-infection device for the abdominal wall of the catheter at the abdominal end of the V-P shunt operation is used, in order to avoid that the body of a patient is infected due to reverse flow possibly occurring in external drainage equipment when the drainage treatment is carried out on the patient, the body safety of the patient is affected, the anti-backflow infection mechanism is arranged, the anti-backflow plug is matched with the first return spring and the arc-shaped guide piece, so that the anti-backflow plug can play the effect of preventing reverse flow on the connecting part between the catheter and the main body, and the reverse flow of cerebrospinal fluid in the drainage process is avoided, so that the patient is infected by retrograde infection and the treatment effect of an operation is affected.
(2) When the external anti-infection device for the abdominal wall of the catheter at the abdominal end of the V-P shunt surgery is used, in order to facilitate medical staff to assist in cleaning the outlet end of the catheter, a plurality of tissues possibly appearing in cerebrospinal fluid are prevented from blocking a passage between the anti-reflux plug and the catheter, normal drainage operation of cerebrospinal fluid is further affected, the V-P shunt surgery is provided with the positioning mechanism, the medical staff can push the button through the push button, the transmission of the first transmission gear and the second transmission gear is realized, the limiting effect on the rotary drum is relieved through the transmission rod, at the moment, the medical staff can rotate the rotary disc and cooperate with the rotary drum to enable the anti-reflux plug to drive the arc-shaped guide piece to rotate, the end part of the catheter is further scraped, the drainage effect of the tissues in cerebrospinal fluid is accelerated, and the influence of the drainage operation is avoided.
(3) When the external anti-infection device for the abdominal wall of the abdominal cavity end catheter of the V-P shunt operation is used, the positioning mechanism is arranged to ensure the relative stability of the anti-countercurrent infection mechanism in the use process, and simultaneously, the phenomenon that the anti-countercurrent infection mechanism shifts due to unintentional contact of the outside is avoided, the normal work of the anti-countercurrent plug in the main body is influenced, and therefore, the anti-countercurrent infection mechanism is ensured to have a better anti-countercurrent infection effect for the abdominal cavity end catheter of the V-P shunt operation.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the enlarged partial structure of the area A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of a partial enlarged structure of the area B in fig. 2 according to the present invention.
In the figure: 1. a main body; 2. a conduit; 3. a drainage tube; 4. a reverse-flow infection prevention mechanism; 41. a turntable; 42. a rotating drum; 43. a slide bar; 44. an anti-reflux plug; 45. an arc-shaped guide piece; 46. a knob; 47. a screw rod; 48. a thread slider; 49. a telescopic rod; 40. a first reset spring; 5. a positioning mechanism; 51. a button; 52. a toothed bar; 53. a second reset spring; 54. a first transmission gear; 55. a transmission gear II; 56. a transmission rod; 6. and a support plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the invention provides an external anti-infection device for abdominal wall of abdominal end catheter in V-P shunt, which comprises a main body 1, a catheter 2 is arranged at the left end of the main body 1, a drainage tube 3 is arranged at the bottom of the main body 1, the top end of a supporting plate 6 is fixedly arranged on the inner wall of the top of the main body 1, a backflow infection preventing mechanism 4 is arranged in the main body 1, the backflow infection preventing mechanism 4 comprises a rotary table 41, the rotary table 41 is rotatably arranged on the outer wall of the right side of the main body 1, the outer wall of the rotary table 41 is fixedly connected with the right end of a rotary drum 42, the inner wall of the left end of the rotary drum 42 is slidably connected with a sliding rod 43, the left end of the sliding rod 43 is fixedly connected with a backflow preventing plug 44, the outer wall of the backflow preventing plug 44 is fixedly connected with the right end of an arc-shaped guide piece 45, a knob 46 is rotatably arranged on the inner surface of the rotary table 41, the outer wall of the left side of the knob 46 is fixedly connected with the right end of a spiral rod 47, a threaded slider 48 is connected with the outer wall of the spiral rod 47, the outer wall of the left side of the threaded slider 48 is fixedly connected with the right end of a telescopic rod 49, the left end of the telescopic rod 49 is fixedly connected with the right end of the sliding rod 43, the left end of the sliding rod 40 is fixedly connected with the right end of the reset spring 40.
In one embodiment of the present invention, a cavity is formed in the main body 1, so that the main body 1 can accommodate the circulation of the cerebrospinal fluid drained by the V-P shunt, further, the rotary drum 42 is penetrated with the support plate 6, and the support plate 6 is rotationally connected with the rotary drum 42, so that the rotary drum 42 can rotate on the support plate 6, and the support plate 6 provides a supporting force for the rotary drum 42, meanwhile, a plurality of groups of bar-shaped limit bars are disposed on the right arc-shaped outer wall of the slide bar 43, and a limit chute adapted to the bar-shaped limit bars is disposed on the left inner wall of the rotary drum 42, so that the slide bar 43 and the rotary drum 42 can only generate relative displacement in the horizontal direction, and no relative rotation can occur.
In the embodiment of the invention, simultaneously, the outer wall of the right side of the rotary disc 41 is provided with a cylindrical groove with the diameter larger than the outer diameter of the knob 46, the knob 46 is rotationally arranged on the inner surface of the left end of the cylindrical groove, in addition, the outer surface of the thread sliding block 48 is square, the inner surface of the rotary drum 42 is square matched with the outer surface of the thread sliding block 48, so that when the screw rod 47 rotates, the thread sliding block 48 can only move along the inner wall of the rotary drum 42 in the horizontal direction and cannot rotate along with the rotation of the screw rod 47, further, the first return spring 40 is sheathed outside the telescopic rod 49, the deformation direction of the first return spring 40 is limited through the telescopic rod 49, so that the first return spring 40 always keeps the deformation direction in the horizontal direction when being extruded or stretched, the phenomenon in the vertical direction is avoided, the first return spring 40 can always provide a stable transmission effect for the sliding rod 43, further, the inside of the telescopic rod 49 is hollow, the diameter of the inner cavity of the telescopic rod 49 is larger than the outer diameter of the screw rod 47, the mutual interference between the first return spring and the telescopic rod 47 is ensured, and the stability of the telescopic rod 47 can not be ensured when the telescopic rod 47 works.
In addition, in order to facilitate the medical staff to carry out auxiliary cleaning to the exit end department of pipe 2, avoid some tissues that can appear in the cerebrospinal fluid to cause the jam to the passageway between anti-reflux stopper 44 and the pipe 2, and then influence the development of the normal drainage operation of cerebrospinal fluid, be provided with positioning mechanism 5 on the inner wall of main part 1, positioning mechanism 5 is including button 51, the inner wall sliding connection of main part 1 has button 51, the right-hand member of the left side outer wall fixedly connected with rack 52 of button 51, the right-hand member of the left side outer wall fixedly connected with reset spring second 53 of button 51, transmission gear first 54 is installed in the inner wall rotation of main part 1, transmission gear second 55 is installed to transmission gear first 54 coaxial fixed mounting, the inner wall slidable mounting of main part 1 has transfer line 56.
In the embodiment of the present invention, the right outer wall of the main body 1 is provided with a cylindrical groove with a diameter equal to the outer diameter of the button 51, meanwhile, the left end of the second return spring 53 is fixedly connected to the inner surface of the left end of the cylindrical groove, in addition, the second return spring 53 is sleeved on the outer side of the toothed bar 52, further, the upper surface of the left end of the toothed bar 52 is provided with a tooth pattern, so that the left end of the toothed bar 52 can be meshed with the first transmission gear 54, meanwhile, the right outer wall of the top end of the transmission bar 56 is provided with a tooth pattern which can be meshed with the second transmission gear 55, so that when the toothed bar 52 moves leftwards, the first transmission gear 54 and the second transmission gear 55 are matched, so that the transmission bar 56 can move downwards in the vertical direction, further, the arc outer wall of the rotary drum 42 is provided with a limit jack with a size equal to the bottom end of the transmission bar 56, so that when the bottom end of the transmission bar 56 is inserted into the limit jack formed on the arc outer wall of the rotary drum 42, the relative fixed state between the rotary drum 42 and the main body 1 is maintained.
In the invention, when in use, the left end of the catheter 2 is communicated with the cerebrospinal fluid guiding tube used after the V-P shunt operation, so that cerebrospinal fluid of a patient enters the inside of the main body 1 through the catheter 2 and finally flows out of the drainage tube 3, and in order to avoid that the body of the patient is infected due to reverse flow possibly occurring in external drainage equipment when the patient is subjected to drainage treatment, the body safety of the patient is influenced, the backflow prevention plug 44 can play a role in preventing reverse flow on the connecting part between the catheter 2 and the main body 1 by matching the reset spring I40 and the arc-shaped guiding sheet 45, and avoid that the patient is subjected to reverse flow infection in the drainage process, thereby influencing the treatment effect of the operation, in order to facilitate the medical staff to assist the clearance to the exit of pipe 2, avoid some tissues that can appear in the cerebrospinal fluid to cause the jam to the passageway between anti-reflux stopper 44 and the pipe 2, and then influence the development of the normal drainage operation of cerebrospinal fluid, through being provided with positioning mechanism 5, make medical staff can be through pressing button 51, through transmission gear one 54 and transmission gear two 55's transmission, so that transfer line 56 releases the spacing effect to rotary drum 42, at this moment medical staff can pass through rotating turntable 41, cooperation rotary drum 42 and slide bar 43, so that anti-reflux stopper 44 drives arc guide piece 45 and rotates, and then clear the tip of pipe 2 and scrape, accelerate the discharge effect of the tissue in the cerebrospinal fluid, avoid it to cause the influence to the drainage work.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an external anti-infection device of V-P reposition of redundant personnel art abdominal cavity end pipe abdominal wall, includes main part (1), pipe (2) have been seted up to the left end of main part (1), drainage tube (3) have been seted up to the bottom of main part (1), the top of top inner wall fixed mounting of main part (1) has top of backup pad (6), its characterized in that: the inside of main part (1) is provided with prevents counter current infection mechanism (4), prevent counter current infection mechanism (4) include:
the rotary table (41), the rotary table (41) is rotatably arranged on the right outer wall of the main body (1), the right end of the rotary drum (42) is fixedly connected with the left outer wall of the rotary table (41), the sliding rod (43) is slidingly connected with the left inner wall of the rotary drum (42), and the anti-backflow plug (44) is fixedly connected with the left end of the sliding rod (43);
the left outer wall of the anti-backflow plug (44) is fixedly connected with the right end of the arc-shaped guide piece (45);
knob (46), the interior surface rotation of carousel (41) installs knob (46), the right-hand member of left side outer wall fixedly connected with hob (47) of knob (46), the outer wall threaded connection of hob (47) has screw slider (48), the right-hand member of the left side outer wall fixedly connected with telescopic link (49) of screw slider (48), the left end fixedly connected with of telescopic link (49) is on the right-hand member face of slide bar (43), the right-hand member of left side outer wall fixedly connected with reset spring (40) of screw slider (48), the right-hand member of left end fixedly connected with slide bar (43) of reset spring (40).
2. The external infection prevention device for the abdominal wall of the abdominal end catheter of the V-P shunt according to claim 1, wherein: the right-end arc-shaped outer wall of the sliding rod (43) is provided with a plurality of groups of bar-shaped limiting bars, and the left-end inner wall of the rotary drum (42) is provided with a limiting chute matched with the bar-shaped limiting bars.
3. The external infection prevention device for the abdominal wall of the abdominal end catheter of the V-P shunt according to claim 1, wherein: the outer wall of one side of the arc-shaped guide piece (45) close to the guide pipe (2) is provided with an arc surface matched with the inner surface of the guide pipe (2).
4. The external infection prevention device for the abdominal wall of the abdominal end catheter of the V-P shunt according to claim 1, wherein: the outer wall of the right side of the rotary disc (41) is provided with a cylindrical groove with the diameter larger than the outer diameter of the knob (46), and the knob (46) is rotatably arranged on the inner surface of the left end of the cylindrical groove.
5. The external infection prevention device for the abdominal wall of the abdominal end catheter of the V-P shunt according to claim 1, wherein: the outer surface of the thread slide (48) is provided with a square shape, and the inner surface of the rotary drum (42) is provided with a square shape which is matched with the outer surface of the thread slide (48).
6. The external infection prevention device for the abdominal wall of the abdominal end catheter of the V-P shunt according to claim 1, wherein: the inside of telescopic link (49) is hollow setting to the diameter of telescopic link (49) inside cavity is greater than the external diameter of screw rod (47).
7. The external infection prevention device for the abdominal wall of the abdominal end catheter of the V-P shunt according to claim 1, wherein: the novel automatic transmission device is characterized in that a positioning mechanism (5) is arranged on the inner wall of the main body (1), the positioning mechanism (5) comprises a button (51), the button (51) is slidably connected with the inner wall of the main body (1), the right end of a toothed bar (52) is fixedly connected with the left outer wall of the button (51), the right end of a return spring II (53) is fixedly connected with the left outer wall of the button (51), a transmission gear I (54) is rotatably arranged on the inner wall of the main body (1), a transmission gear II (55) is coaxially and fixedly arranged on the transmission gear I (54), and a transmission rod (56) is slidably arranged on the inner wall of the main body (1).
8. The external infection prevention device for the abdominal wall of the abdominal end catheter of the V-P shunt according to claim 7, wherein: the upper surface of the left end of the toothed bar (52) is provided with a toothed pattern which can be meshed with a first transmission gear (54), and the outer wall of the right side of the top end of the transmission bar (56) is provided with a toothed pattern which can be meshed with a second transmission gear (55).
9. The external infection prevention device for the abdominal wall of the abdominal end catheter of the V-P shunt according to claim 7, wherein: limiting jacks with the same size as the bottom end of the transmission rod (56) are formed in the arc-shaped outer wall of the rotary drum (42).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211132680.3A CN115400332B (en) | 2022-09-16 | 2022-09-16 | External anti-infection device for abdominal wall of abdominal end catheter of V-P shunt operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211132680.3A CN115400332B (en) | 2022-09-16 | 2022-09-16 | External anti-infection device for abdominal wall of abdominal end catheter of V-P shunt operation |
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| CN115400332A CN115400332A (en) | 2022-11-29 |
| CN115400332B true CN115400332B (en) | 2024-03-12 |
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| CN202211132680.3A Active CN115400332B (en) | 2022-09-16 | 2022-09-16 | External anti-infection device for abdominal wall of abdominal end catheter of V-P shunt operation |
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| CN116492523A (en) * | 2023-06-13 | 2023-07-28 | 京美德(深圳)医疗科技有限公司 | Ventricular-abdominal wall long-range drainage device and system |
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| US4861331A (en) * | 1988-03-24 | 1989-08-29 | Pudenz-Schulte Medical Research Corp. | Implantable shunt system and method of assembly |
| CN108992767A (en) * | 2010-03-19 | 2018-12-14 | 华盛顿大学 | drainage system for excess body fluid |
| CN103212118A (en) * | 2013-01-18 | 2013-07-24 | 中国人民解放军第四军医大学 | Retroinfection-prevention enteric cavity shunting device for treating hydrocephalus |
| CN210933375U (en) * | 2019-05-28 | 2020-07-07 | 武汉大学中南医院 | Multifunctional ventricles of brain abdominal cavity shunt tubes |
| CN110624139A (en) * | 2019-09-23 | 2019-12-31 | 青岛市海慈医疗集团 | Hepatobiliary internal medicine is with having abdominal drainage device who washes function |
| CN216777719U (en) * | 2021-08-11 | 2022-06-21 | 上海市杨浦区中心医院(同济大学附属杨浦医院) | Peritoneal cavity drainage tube antiseep device |
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