CN217014872U

CN217014872U - External short pipe with adjustable length for peritoneal dialysis

Info

Publication number: CN217014872U
Application number: CN202123153978.6U
Authority: CN
Inventors: 刘丽媛; 王芳
Original assignee: Second Peoples Hospital of Yibin
Current assignee: Second Peoples Hospital of Yibin
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-22
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a peritoneal dialysis external short pipe with adjustable length, and relates to the technical field of external short pipes. This external nozzle stub of peritoneal dialysis of adjustable length, including the set casing, the inner chamber fixed mounting of set casing has the dead lever, the spring of having cup jointed of dead lever, both sides are rotatable respectively around the outer wall of dead lever have cup jointed the baffle, two be provided with between the baffle and accomodate the roller, accomodate the roller cup joint at the outer wall of spring, the one end of spring and the outer wall fixed connection of dead lever, the other end of spring and the inner wall fixed connection who accomodates the roller, the slide has been seted up respectively to the outer wall left and right sides of set casing, the outer wall winding of accomodating the roller has the nozzle stub. The problem of the external nozzle stub of peritoneal dialysis inconvenient in the actual use to its length adjust, lead to the patient to receive the restriction activity of nozzle stub length very inconvenient when carrying out the dialysis is solved.

Description

Peritoneal dialysis external short pipe with adjustable length

Technical Field

The utility model relates to the technical field of external short pipes, in particular to a length-adjustable external short pipe for peritoneal dialysis.

Background

Hemodialysis (HD) is one of the alternative treatments for the kidney of patients with acute or chronic renal failure. The method comprises the steps of draining blood in vivo to the outside of the body, enabling the blood and electrolyte solution (dialysate) with similar body concentration to be inside and outside one hollow fiber through a dialyzer consisting of a plurality of hollow fibers, and carrying out substance exchange through dispersion, ultrafiltration, adsorption and convection principles, so as to remove metabolic waste in the body and maintain the balance of electrolyte and acid and alkali; at the same time, the excess water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis.

However, the length of the external short pipe for peritoneal dialysis in the prior art is inconvenient to adjust in the actual use process, so that the limitation and the movement of the patient who receives the length of the short pipe are very inconvenient when the patient is dialyzed, and the external short pipe for peritoneal dialysis with adjustable length is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides the following technical solutions: the utility model provides an external nozzle stub of peritoneal dialysis of adjustable length, includes the set casing, the inner chamber fixed mounting of set casing has the dead lever, the spring of having cup jointed of dead lever, both sides are rotatable respectively around the outer wall of dead lever have cup jointed the baffle, two be provided with between the baffle and accomodate the roller, accomodate the roller and cup joint the outer wall at the spring, the one end of spring and the outer wall fixed connection of dead lever, the other end of spring and the inner wall fixed connection who accomodates the roller, the slide has been seted up respectively to the outer wall left and right sides of set casing, the outer wall winding of accomodating the roller has the nozzle stub, the inner chamber that two slides were run through respectively at the both ends of nozzle stub extends to the outside of set casing, the inner chamber of set casing is provided with fixed subassembly, the bottom of set casing is provided with fastening assembly.

Preferably, the fixed subassembly is including flexible subassembly, handle, gear and rack, two the gear is fixed both sides around the outer wall of dead lever of cup jointing respectively, two flexible subassembly sets up both sides around the inner chamber of set casing respectively, two the top of flexible subassembly extends to both sides around the top of set casing respectively, handle fixed mounting is on the top of two flexible subassemblies, two the rack is fixed mounting respectively in the bottom of two flexible subassemblies.

Preferably, the gear is meshed with the rack.

Preferably, each flexible subassembly all includes inserted bar, second spring, movable plate and coupling assembling, the inserted bar slidable pegs graft on the inner chamber top of set casing, the bottom of inserted bar extend to the top of set casing and with handle fixed connection, two coupling assembling sets up the inner chamber left and right sides at the set casing respectively, the movable plate sets up the inboard at two coupling assembling, the top of movable plate and the bottom fixed connection of inserted bar, the bottom of movable plate and the top fixed connection of rack, the second spring cup joints the outer wall at the inserted bar.

Preferably, each coupling assembling all includes spread groove and connecting block, the inner wall at the set casing is seted up to the spread groove, the inner chamber at the spread groove is embedded to the one end slidable of connecting block, the other end fixed connection of connecting block is at the outer wall of movable plate.

Preferably, the inner cavity of the connecting groove is matched with and combined with the outer wall of the connecting block to form a T shape.

Preferably, the outer wall of the handle is provided with an anti-slip edge.

Preferably, the fastening assembly comprises a fixed block, a movable block, a fixed plate, guide rods, first springs, clamping plates and an elastic belt, the fixed block is fixedly installed on one side of the bottom end of the fixed shell, the fixed plate is fixedly installed on one side, far away from the fixed block, of the bottom end of the machine shell, the two guide rods are respectively arranged on the left side and the right side between the fixed block and the fixed plate, the movable block is slidably sleeved on the outer walls of the two guide rods, the two first springs are respectively sleeved on the outer walls of the two guide rods, the two clamping plates are respectively and fixedly installed at the bottom ends of the movable block and the fixed block, and two ends of the elastic belt are respectively arranged at the bottom ends of the two clamping plates.

Preferably, the clamping plate is arc-shaped.

Preferably, the inner sides of the two clamping plates are provided with protective pads.

Compared with the prior art, the utility model has the beneficial effects that:

(1) when the length of the short pipe is adjusted, the handle can be pulled to enable the handle to drive the inserted rod, the moving plate and the rack to ascend along straight lines under the limiting action between the connecting groove and the connecting block, further the rack is separated from contact with the gear, the second spring can be extruded by the moving plate to deform elastically and further generate corresponding elastic force, at the moment, the two ends of the short pipe are pulled to enable the short pipe to drive the containing roller to rotate and extend out along the two slideways respectively, the length of the short pipe is prolonged, at the moment, the coil spring can be rolled together after being subjected to the tensile force to generate corresponding elastic force, after the length of the short pipe is adjusted, the handle is loosened, and under the elastic force action of the second spring, the moving plate and the rack can be quickly restored to the original position along straight lines under the limiting action of the connecting groove and the connecting block, make rack and gear engagement, and then the rotation of restriction gear, baffle and storage roller, realized the regulation to nozzle stub length, make things convenient for the patient to move about in the dialysis, avoid influencing its activity because the length of nozzle stub is decisive.

(2) This external nozzle stub of peritoneal dialysis of adjustable length, in dialysis, can pull one side splint, make this splint drive the movable block and slide along two guide arms, and then make first spring take place corresponding elastic deformation after receiving pressure, and then produce corresponding elasticity, still can make two splint separation, the elastic webbing is stretched, at this moment, patient's arm gos deep into between two splint, loosen splint, under the spring action of second spring, can make movable block and splint resume the normal position fast, it is fixed to press from both sides patient's arm clamp, make the device fix on patient's arm, under the pulling force effect of elastic webbing, can increase the pressure between two splint, make fixed effect obtain improving, can prevent that the nozzle stub from rocking in dialysis.

Drawings

The drawings of the present invention are described below.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a right side cross-sectional view of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is a schematic structural diagram of a fixing rod according to the present invention;

FIG. 5 is an enlarged view of FIG. 2 at A.

In the figure: 1. a stationary case; 2. fixing the rod; 3. a baffle plate; 4. a take-in roller; 5. a coil spring; 6. a slideway; 7. a short pipe; 8. a fixed block; 9. a moving block; 10. a fixing plate; 11. a guide bar; 12. a first spring; 13. a splint; 14. an elastic band; 15. a gear; 16. connecting grooves; 17. connecting blocks; 18. moving the plate; 19. a rack; 20. a second spring; 21. a rod is inserted; 22. a handle.

Detailed Description

Referring to fig. 1-5, the present invention provides a technical solution: an external short tube for peritoneal dialysis with adjustable length comprises a fixed shell 1, a fixed rod 2 is fixedly arranged in an inner cavity of the fixed shell 1, a coil spring 5 is sleeved on the fixed rod 2, baffle plates 3 are rotatably sleeved on the front side and the rear side of the outer wall of the fixed rod 2 respectively, a containing roller 4 is arranged between the two baffle plates 3, the containing roller 4 is sleeved on the outer wall of the coil spring 5, one end of the coil spring 5 is fixedly connected with the outer wall of the fixed rod 2, the other end of the coil spring 5 is fixedly connected with the inner wall of the containing roller 4, slideways 6 are respectively arranged on the left side and the right side of the outer wall of the fixed shell 1, a short tube 7 is wound on the outer wall of the containing roller 4, two ends of the short tube 7 respectively penetrate through the inner cavities of the two slideways 6 and extend out of the fixed shell 1, a fixing component is arranged in the inner cavity of the fixed shell 1, a fastening component is arranged at the bottom end of the fixed shell 1, two ends of the short tube 7 are pulled, so that the short tube 7 drives the containing roller 4 to rotate and respectively extend out along the two slideways 6, make the length extension of nozzle stub 7, at this moment, still can make coil spring 5 receive the pulling force after the rolling together, produce corresponding elasticity, and then when accomodating nozzle stub 7, can make and accomodate roller 4 rotatory under coil spring 5's pulling force effect, and then make nozzle stub 7 winding accomodate the outer wall of roller 4, realize accomodating to nozzle stub 7, setting through fixed subassembly, can restrict gear 15, baffle 3 and the rotation of accomodating roller 4, the regulation to nozzle stub 7 length has been realized, make things convenient for the patient to move about in the dialysis, avoid influencing its activity because nozzle stub 7's length is broken, setting through fastening components, can make the device fix on patient's arm, prevent that nozzle stub 7 from rocking in the dialysis.

As a preferred scheme, further, the fixing assembly comprises a telescopic assembly, a handle 22, a gear 15 and a rack 19, the two gears 15 are respectively fixedly sleeved on the front side and the rear side of the outer wall of the fixing rod 2, the two telescopic assemblies are respectively arranged on the front side and the rear side of the inner cavity of the fixing shell 1, the top ends of the two telescopic assemblies respectively extend to the front side and the rear side of the top end of the fixing shell 1, the handle 22 is fixedly arranged on the top ends of the two telescopic assemblies, the two racks 19 are respectively fixedly arranged at the bottom ends of the two telescopic assemblies, the telescopic assembly and the rack 19 are driven by the handle 22 to be separated from the contact with the gear 15, the baffle 3 and the accommodating roller 4 can be rotated when the short pipe 7 is pulled, so that the short pipe 7 extends out of the inner cavity of the fixing shell 1, the extension of the length of the short pipe 7 is realized, when the handle 22 is loosened, the telescopic assembly can drive the rack 19 to recover to the original position, and the rack 19 is meshed with the gear 15, under the interact between gear 15 and rack 19, can restrict gear 15, baffle 3 and accomodate the rotation of roller 4, realized the regulation to nozzle stub 7 length, make things convenient for the patient to move about in the dialysis, avoid influencing its activity owing to nozzle stub 7's length is decisively.

Preferably, the gear 15 is engaged with the rack 19, and the rack 19 regulates the rotation of the gear 15, so that the positions of the baffle 3 and the storage roller 4 are fixed, and the extension length of the short pipe 7 is fixed.

Preferably, further, each telescopic assembly comprises an inserting rod 21, a second spring 20, a moving plate 18 and connecting assemblies, the inserting rod 21 is slidably inserted into the top end of the inner cavity of the fixed shell 1, the bottom end of the inserting rod 21 extends to the top end of the fixed shell 1 and is fixedly connected with a handle 22, the two connecting assemblies are respectively arranged on the left side and the right side of the inner cavity of the fixed shell 1, the moving plate 18 is arranged on the inner sides of the two connecting assemblies, the top end of the moving plate 18 is fixedly connected with the bottom end of the inserting rod 21, the bottom end of the moving plate 18 is fixedly connected with the top end of a rack 19, the second spring 20 is sleeved on the outer wall of the inserting rod 21, when the length of the short pipe 7 is adjusted, the handle 22 can be pulled, so that the handle 22 drives the inserting rod 21, the moving plate 18 and the rack 19 to rise along a straight line under the limiting action between the connecting groove 16 and the connecting block 17, and further the rack 19 is separated from the contact with the gear 15, the second spring 20 can be elastically deformed by the extrusion of the moving plate 18 to generate corresponding elastic force, under the action of the elastic force of the second spring 20, the moving plate 18 and the rack 19 can be quickly restored to the original position along a straight line under the limiting action of the connecting groove 16 and the connecting block 17, the rack 19 is meshed with the gear 15, the rotation of the gear 15, the baffle 3 and the containing roller 4 is further limited, the adjustment of the length of the short pipe 7 is realized, a patient can conveniently move in dialysis, and the situation that the movement of the short pipe 7 is influenced if the length of the short pipe is broken is avoided.

Preferably, each of the connecting assemblies further includes a connecting slot 16 and a connecting block 17, the connecting slot 16 is formed on an inner wall of the fixed housing 1, one end of the connecting block 17 is slidably inserted into an inner cavity of the connecting slot 16, and the other end of the connecting block 17 is fixedly connected to an outer wall of the moving plate 18, when the moving plate 18 slides, the connecting block 17 can slide in the inner cavity of the connecting slot 16, so that the moving plate 18 can be lifted and lowered along a straight line all the time under the interaction between the connecting block 17 and the connecting slot 16, and the rack 19 can be meshed with the gear 15.

As a preferable scheme, further, the inner cavity of the connecting groove 16 and the outer wall of the connecting block 17 are matched and combined to be in a T shape, so that the connecting block 17 is stably embedded in the inner cavity of the connecting groove 16, the condition that the rack 19 is inclined or rotated due to the fact that the connecting block 17 is separated from the inner cavity of the connecting groove 16 is avoided, and the stability of the fixing component is improved.

Preferably, further, the outer wall of the handle 22 is provided with an anti-slip edge to prevent the handle 22 from being taken off when being pulled.

As a preferable scheme, further, the fastening assembly includes a fixed block 8, a movable block 9, a fixed plate 10, guide rods 11, first springs 12, clamping plates 13 and an elastic band 14, the fixed block 8 is fixedly installed at one side of the bottom end of the fixed housing 1, the fixed plate 10 is fixedly installed at one side of the bottom end of the housing far away from the fixed block 8, the two guide rods 11 are respectively arranged at the left and right sides between the fixed block 8 and the fixed plate 10, the movable block 9 is slidably sleeved on the outer walls of the two guide rods 11, the two first springs 12 are respectively sleeved on the outer walls of the two guide rods 11, the two clamping plates 13 are respectively fixedly installed at the bottom ends of the movable block 9 and the fixed block 8, two ends of the elastic band 14 are respectively arranged at the bottom ends of the two clamping plates 13, during dialysis, one side clamping plate 13 can be pulled, so that the clamping plate 13 drives the movable block 9 to slide along the two guide rods 11, and further the first springs 12 are subjected to corresponding elastic deformation after being subjected to pressure, and then produce corresponding elasticity, still can make two splint 13 separate, elastic band 14 is stretched, and at this moment, patient's arm goes deep into between two splint 13, loosens splint 13, under the elastic force effect of second spring 20, can make movable block 9 and splint 13 resume the normal position fast, presss from both sides tight fixedly with patient's arm, makes the device fix on patient's arm, under the pulling force effect of elastic band 14, can increase the pressure between two splint 13, makes fixed effect obtain improving, can prevent that nozzle stub 7 from rocking in the dialysis.

Preferably, the splint 13 is arc-shaped, which increases the contact area between the splint 13 and the arm of the patient, and improves the stability of the fastening assembly during use.

As a preferred scheme, more step-by-step, the inboard of two splint 13 all is provided with the protection pad, can protect patient's arm when two splint 13 press from both sides tight patient's arm, avoids patient's arm to receive the too big arm that leads to of splint 13 pressure to receive and receive the damage.

The working principle is as follows: when the length of the short pipe 7 is adjusted, the handle 22 can be pulled, the handle 22 drives the insertion rod 21, the moving plate 18 and the rack 19 to ascend along a straight line under the limiting action between the connecting groove 16 and the connecting block 17, so that the rack 19 is separated from the contact with the gear 15, the second spring 20 can be extruded by the moving plate 18 to be elastically deformed to generate corresponding elastic force, at the moment, the two ends of the short pipe 7 are pulled, the short pipe 7 drives the containing roller 4 to rotate and respectively extend along the two slide ways 6, the length of the short pipe 7 is prolonged, at the moment, the coil spring 5 can be wound together after being pulled to generate corresponding elastic force, after the length of the short pipe 7 is adjusted, the handle 22 is loosened, under the elastic force action of the second spring 20, the moving plate 18 and the rack 19 can be quickly restored to the original positions along the straight line under the limiting action of the connecting groove 16 and the connecting block 17, the rack 19 is meshed with the gear 15, so that the rotation of the gear 15, the baffle 3 and the receiving roller 4 is limited, the length of the short pipe 7 is adjusted, a patient can conveniently move in dialysis, and the situation that the movement of the short pipe 7 is influenced by the broken length of the short pipe is avoided;

during dialysis, one side clamping plate 13 can be pulled, the clamping plate 13 drives the moving block 9 to slide along the two guide rods 11, the first spring 12 is subjected to corresponding elastic deformation after being subjected to pressure, corresponding elastic force is generated, the two clamping plates 13 can be separated, the elastic band 14 is stretched, at the moment, the arm of a patient goes deep between the two clamping plates 13, the clamping plates 13 are loosened, the moving block 9 and the clamping plates 13 can be quickly restored to the original positions under the action of the elastic force of the second spring 20, the arm of the patient is clamped and fixed, the device is fixed on the arm of the patient, the pressure between the two clamping plates 13 can be increased under the action of the tensile force of the elastic band 14, the fixing effect is improved, and the short pipe 7 can be prevented from shaking during dialysis.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.

Claims

1. The utility model provides an external nozzle stub of peritoneal dialysis of adjustable length, includes fixed shell (1), its characterized in that: the fixing device is characterized in that a fixing rod (2) is fixedly arranged in an inner cavity of the fixing shell (1), a coil spring (5) is sleeved on the fixing rod (2), baffle plates (3) are rotatably sleeved on the front side and the rear side of the outer wall of the fixing rod (2) respectively, a containing roller (4) is arranged between the two baffle plates (3), the containing roller (4) is sleeved on the outer wall of the coil spring (5), one end of the coil spring (5) is fixedly connected with the outer wall of the fixing rod (2), the other end of the coil spring (5) is fixedly connected with the inner wall of the containing roller (4), slide ways (6) are arranged on the left side and the right side of the outer wall of the fixing shell (1) respectively, a short pipe (7) is wound on the outer wall of the containing roller (4), the two ends of the short pipe (7) penetrate through the inner cavities of the two slide ways (6) respectively and extend to the outside of the fixing shell (1), and a fixing component is arranged in the inner cavity of the fixing shell (1), and a fastening component is arranged at the bottom end of the fixed shell (1).

2. The external short pipe for peritoneal dialysis as claimed in claim 1, wherein: fixed subassembly is including flexible subassembly, handle (22), gear (15) and rack (19), two both sides around the outer wall of dead lever (2), two are fixed cup joint respectively in gear (15) flexible subassembly sets up both sides around the inner chamber of set casing (1), two respectively the top of flexible subassembly extends to both sides around the top of set casing (1) respectively, handle (22) fixed mounting is on the top of two flexible subassemblies, two rack (19) fixed mounting is in the bottom of two flexible subassemblies respectively.

3. An adjustable length external connector for peritoneal dialysis as claimed in claim 2, wherein: the gear (15) is meshed with the rack (19).

4. An adjustable length external connector for peritoneal dialysis as claimed in claim 2, wherein: each telescopic component comprises an inserted bar (21), a second spring (20), a movable plate (18) and connecting components, wherein the inserted bar (21) is slidably inserted into the top end of an inner cavity of the fixed shell (1), the bottom end of the inserted bar (21) extends to the top end of the fixed shell (1) and is fixedly connected with a handle (22), the two connecting components are respectively arranged on the left side and the right side of the inner cavity of the fixed shell (1), the movable plate (18) is arranged on the inner sides of the two connecting components, the top end of the movable plate (18) is fixedly connected with the bottom end of the inserted bar (21), the bottom end of the movable plate (18) is fixedly connected with the top end of the rack (19), and the second spring (20) is sleeved on the outer wall of the inserted bar (21).

5. The external short pipe for peritoneal dialysis as claimed in claim 4, wherein: each coupling assembling all includes spread groove (16) and connecting block (17), the inner wall at fixed shell (1) is seted up in spread groove (16), the inner chamber at spread groove (16) is embedded to the one end slidable of connecting block (17), the other end fixed connection of connecting block (17) is at the outer wall of movable plate (18).

6. An adjustable length external connector for peritoneal dialysis as claimed in claim 5, wherein: the inner cavity of the connecting groove (16) is matched with the outer wall of the connecting block (17) and is combined into a T shape.

7. An adjustable length external connector for peritoneal dialysis as claimed in claim 2, wherein: the outer wall of the handle (22) is provided with anti-slip ribs.

8. The external short pipe for peritoneal dialysis of claim 1, wherein: the fastening component comprises a fixed block (8), a movable block (9), a fixed plate (10), a guide rod (11), a first spring (12), a clamping plate (13) and an elastic band (14), the fixed block (8) is fixedly arranged on one side of the bottom end of the fixed shell (1), the fixed plate (10) is fixedly arranged on one side of the bottom end of the machine shell far away from the fixed block (8), the two guide rods (11) are respectively arranged on the left side and the right side between the fixed block (8) and the fixed plate (10), the moving block (9) is sleeved on the outer walls of the two guide rods (11) in a sliding manner, the two first springs (12) are respectively sleeved on the outer walls of the two guide rods (11), the two clamping plates (13) are respectively and fixedly arranged at the bottom ends of the moving block (9) and the fixed block (8), the two ends of the elastic band (14) are respectively arranged at the bottom ends of the two clamping plates (13).

9. The external short pipe for peritoneal dialysis of claim 8, wherein: the clamping plate (13) is arc-shaped.

10. The external connection pipe stub for peritoneal dialysis as claimed in claim 8, wherein: the inner sides of the two clamping plates (13) are provided with protective pads.