Internal jugular vein dialysis catheter connector disinfecting, sealing and fixing device

Abstract

The invention provides a disinfecting, sealing and fixing device for an internal jugular vein dialysis catheter connector. The disinfecting, sealing and fixing device comprises a shell, a disinfecting and wiping mechanism, a sealing outer bag, an arteriovenous catheter connector sealing inner bag, a strip-shaped elastic head sleeve and ear sleeves. A partition plate is transversely arranged in the shell, an upper cavity is formed in the shell and located above the partition plate, and disinfection wiping mechanisms are arranged in the shell and located below the partition plate and close to the front side and the rear side. The sealing outer bag is placed in the upper cavity of the shell, and the sealing inner bags of the arteriovenous catheter connector are arranged in the sealing outer bag in tandem. In the inserting process of the arteriovenous catheter connector, the disinfecting and wiping mechanism is driven to rotate, the elastic scraper slides and scrapes dirt (such as blood scabs) in the threaded groove, the possibility that the arteriovenous catheter connector is exposed to the outside is reduced, the probability that the arteriovenous catheter connector is polluted is reduced, the workload of medical staff is reduced, and the working efficiency of the medical staff is improved. And pollution caused by manual operation of medical staff is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of hemodialysis, and in particular to a disinfection, sealing and fixing device for an internal jugular vein dialysis catheter connector. Background Art

[0002] When patients are removed from the hemodialysis machine after a hemodialysis session, the internal jugular vein dialysis catheter connector needs to be disinfected, wrapped, and secured. Medical staff should prepare a catheter care kit containing items such as a square tray, sterile gloves, sterile treatment towels, disinfectant, 0.5% iodine-containing gauze, iodine-containing bulbs, and a heparin cap. After the internal jugular vein dialysis catheter connector is disconnected from the pipeline on the hemodialysis machine, the medical staff put on sterile gloves, lay a sterile treatment towel under the internal jugular vein dialysis catheter connector, wipe the catheter connector with a disinfectant, wipe it repeatedly for 15 seconds, then screw a heparin cap onto the catheter connector, and then wipe the threaded opening of the internal jugular vein dialysis catheter connector with an iodine tincture to remove blood scabs in the thread groove to avoid infection; wipe and disinfect with 0.5% iodine tincture gauze, and finally wrap the internal jugular vein dialysis catheter connector with sterile gauze. After wrapping, it is bonded with a medical tape to prevent the sterile gauze from falling off, and then bonded to the dialysis patient's ear with another medical tape.

[0003] The entire operation is completed at the dialysis clinic site, and the entire process is completely exposed to the air. Although medical staff wear sterile gloves, they will inevitably come into contact with other objects during the operation. Once they come into contact with other objects, the internal jugular vein dialysis catheter connector is easily contaminated. The entire operation is in an exposed state, which is also prone to contamination. In addition, when hospital staff use medical tape to stick the wrapped internal jugular vein dialysis catheter connector behind the ear, it is easy to fall off. After the medical tape falls off or is torn off, it is easy to leave glue marks on the skin surface. Summary of the Invention

[0004] In view of the above-mentioned deficiencies in the prior art, the present invention provides a sterilizing, sealing and fixing device for an internal jugular vein dialysis catheter connector that reduces contamination and does not fall off.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] An internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device comprises a housing, a disinfection wiping mechanism, a sealing outer bag, an arterial catheter connector sealing inner bag, a venous catheter connector sealing inner bag, a strip-shaped elastic head cover, and ear covers;

[0007] The housing comprises a left housing and a right housing that are interlocked with each other, a partition is transversely arranged in the housing, an upper cavity is formed in the housing and above the partition, and a disinfection wiping mechanism is provided in the housing and below the partition near the front and near the rear; the left side of the housing near the middle and the right side near the middle and above the partition are both open; the partition is provided with insertion holes for inserting a catheter connector, one in front and one in the back;

[0008] The sealed outer bag is placed in the upper cavity of the shell, and the arterial catheter connector sealed inner bag and the venous catheter connector sealed inner bag are arranged in the sealed outer bag one after the other. A sterile cotton sleeve is provided in each of the arterial catheter connector sealed inner bag and the venous catheter connector sealed inner bag, the opening of the sterile cotton sleeve facing downward, and a heparin cap with the opening facing downward is placed on the top of the sterile cotton sleeve. The bottoms of the arterial catheter connector sealed inner bag and the sealed outer bag form an arterial catheter connector sleeve that can be sleeved on the top of the front insertion hole of the partition, and the bottoms of the venous catheter connector sealed inner bag and the sealed outer bag form a venous catheter connector sleeve that can be sleeved on the top of the rear insertion hole of the partition.

[0009] The disinfecting and wiping mechanism comprises a rotating sleeve, a rotating annular tube, a pressure rod and a spring, the rotating sleeve being located in the middle of the rotating annular tube, the rotating sleeve being composed of two left and right conical plates, an inner conical sleeve with a small upper end and a large lower end of an inner hole, an elastic extrusion plate being provided on the inner side surface of the conical plate, and elastic scrapers slidingly matched with the thread groove on the catheter joint being evenly distributed along the spiral direction; the rotating annular tube is composed of two left and right sections of rotating annular tube bodies, a pressure rod being provided on each of the left and right sections of rotating annular tube bodies, the pressure rod passing horizontally through the corresponding rotating annular tube body and slidingly matched with the rotating annular tube body, one end of the pressure rod being fixedly connected to the conical plate on the corresponding side, an annular baffle being provided on the pressure rod and located in the corresponding rotating annular tube body, the spring being sleeved on the pressure rod, one end of the spring pressing on the inner wall of the rotating annular tube body on the corresponding side away from the rotating sleeve, and the other end of the spring pressing on the annular baffle;

[0010] Guide holes are provided at the bottom of the shell and at corresponding positions below the front and rear rotating sleeves, and the tops of the front and rear rotating sleeves correspond one-to-one to the front and rear insertion holes; one end of the strip elastic head cover is connected to one side of the ear cover, and the other end of the strip elastic head cover is connected to the other side of the ear cover; an operation hole is provided on the side of the strip elastic head cover close to the ear cover, and the exposed part of the left side of the sealed outer bag is connected to the two sides of the operation hole of the strip elastic head cover close to both ends.

[0011] As a preferred solution of the present invention, a sterilizing cotton pad is provided on the inner side of the elastic extrusion plate, and the elastic scraper extends out of the outer surface of the sterilizing cotton pad.

[0012] As a preferred embodiment of the present invention, a bag opening expansion ring is provided on the partition and at the top of the front and rear insertion holes. The arterial catheter connector sleeve is sleeved on the bag opening expansion ring on the front side and is sealed with the outer side wall of the bag opening expansion ring on the front side; the venous catheter connector sleeve is sleeved on the bag opening expansion ring on the rear side and is sealed with the outer side wall of the bag opening expansion ring on the rear side.

[0013] As a preferred solution of the present invention, an annular slide rail is provided at the top of the rotating annular tube along the circumferential direction, an annular slide groove is provided at the bottom of the partition and above the rotating annular tube, and the top of the annular slide rail is embedded in the annular slide groove and slides with the corresponding annular slide groove.

[0014] As a preferred solution of the present invention, the guide hole, rotating sleeve, insertion hole, sterile cotton sleeve and heparin cap on the same side are coaxially arranged.

[0015] As a preferred solution of the present invention, the exposed surface of the sealed outer bag is close to the edge of the outer shell and forms a sealing fit with the outer shell.

[0016] As a preferred solution of the present invention, the left exposed surface of the sealed outer bag is provided with adhesive strips I near the front and rear sides, and the strip elastic head cover is provided with adhesive strips II on both sides of the operation hole. The two adhesive strips I on the left side of the sealed outer bag are bonded to the adhesive strips II on both sides of the operation hole in a one-to-one correspondence.

[0017] As a preferred solution of the present invention, buckle components are provided on the front and rear side surfaces of the left shell and the right shell, and the left shell and the right shell are buckled with each other through the buckle components.

[0018] As a preferred solution of the present invention, the cross section of the bag opening support ring is in the shape of a figure 7.

[0019] As a preferred solution of the present invention, the heparin cap in the sterile cotton sleeve is rotatably matched with the top of the sterile cotton sleeve.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The arteriovenous catheter connector is inserted into the guide hole. The threaded end of the arteriovenous catheter connector first contacts the disinfection cotton pad and wipes the surface. As the insertion process progresses, the thread groove of the arteriovenous catheter connector contacts the elastic scraper on the elastic extrusion plate. The front end of the arteriovenous catheter connector squeezes the elastic extrusion plate and the disinfection cotton pad, and drives the disinfection wiping mechanism to rotate. During the advancement of the arteriovenous catheter connector, the elastic scraper slides in the thread groove at the front end of the arteriovenous catheter connector, scraping off dirt (such as blood scabs) in the thread groove while sliding, thereby automatically wiping and disinfecting the front end of the arterial catheter connector and scraping off dirt such as blood scabs during the insertion process of the arteriovenous catheter connector, thereby reducing the exposure of the catheter connector to the outside world, reducing the chance of the arteriovenous catheter connector being contaminated, reducing the workload of medical staff, and avoiding pollution caused by manual operation of medical staff.

[0022] 2. After the arteriovenous catheter connector is inserted into the housing through the guide hole, the surface of the arteriovenous catheter connector is wiped and disinfected with a sterile cotton pad. The elastic scraper slides to scrape off dirt in the thread groove. The cleaned, wiped and disinfected arteriovenous catheter connector is pushed into the sterile cotton sleeve. The heparin cap is then screwed onto the threaded end of the arteriovenous catheter connector. After removing the left and right housings, the arterial catheter connector sleeve is tightly sleeved on the dialysis arterial catheter near the arterial catheter connector, and the venous catheter connector sleeve is tightly sleeved on the dialysis venous catheter near the venous catheter connector, so that the disinfected arteriovenous catheter connector is completely enclosed in the sterile sterile cotton sleeve. The entire operation is completed in a completely closed and sterile state, so that the arteriovenous catheter connector is not in contact with the outside world during the entire process of descaling, wiping and disinfecting, and wearing the heparin cap to avoid contamination.

[0023] 3. Wear the strip elastic headband on the dialysis patient's head and the earmuffs on the ears. The disinfected and wrapped arteriovenous catheter connector is then hung behind the patient's ear. The strip elastic headband constrains the earmuffs worn on the ears, effectively preventing the earmuffs from falling off the dialysis patient's ears. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 1. It is a schematic structural diagram of the internal jugular vein dialysis catheter connector disinfection and sealing fixing device after the housing is removed;

[0025] Figure 2 It is a schematic diagram of the structure in which the sealed outer bag is placed in the upper cavity of the shell;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the casing;

[0027] Figure 4 It is a schematic diagram of the structure inside the casing;

[0028] Figure 5 It is a structural diagram of the disinfection wiping mechanism;

[0029] Figure 6 It is a schematic diagram of the structure of the rotating sleeve, the elastic extrusion plate, the disinfection cotton pad and the elastic scraper;

[0030] Figure 7 1. It is a schematic diagram of the structure of the arterial catheter connector sealing inner bag, the venous catheter connector sealing inner bag and the partition;

[0031] Figure 8 This is a schematic diagram of the structure of the strip elastic head cover and ear cover;

[0032] Figure 9 It is a structural schematic diagram of an arterial catheter connector and a venous catheter connector inserted into a rotating sleeve in a disinfection wiping mechanism;

[0033] Figure 10 It is a schematic diagram of the structure of the arterial catheter connector and the venous catheter connector before and after insertion into two sterile cotton sleeves.

[0034] In the figure: 1 - housing; 11 - left housing; 12 - right housing; 13 - partition; 131 - insertion hole; 132 - bag opening ring; 133 - annular slide; 14 - upper cavity; 15 - guide hole; 16 - buckle assembly; 2 - disinfection wiping mechanism; 21 - rotating sleeve; 22 - rotating annular tube; 23 - pressure rod; 24 - spring; 25 - elastic extrusion plate; 26 - elastic scraper; 27 - annular baffle; 28 - disinfection cotton pad; 29 - annular slide rail; 3 —Sealed outer bag; 31—Arterial catheter connector sleeve; 32—Venous catheter connector sleeve; 33—Adhesive strip I; 4—Arterial catheter connector sealed inner bag; 5—Venous catheter connector sealed inner bag; 6—Stripe elastic head cover; 61—Operation hole; 62—Adhesive strip II; 7—Ear cover; 8—Sterile cotton cover; 9—Heparin cap; 101—Arterial catheter connector; 102—Venous catheter connector; 103—Hemodialysis arterial catheter; 104—Hemodialysis venous catheter; 110—Open / close door. DETAILED DESCRIPTION

[0035] The present invention is described in detail below with reference to the embodiments and accompanying drawings.

[0036] like Figures 1-4 As shown, the internal jugular vein dialysis catheter connector disinfection, sealing and fixing device includes a shell 1, a disinfection wiping mechanism 2, a sealing outer bag 3, an arterial catheter connector sealing inner bag 4, a venous catheter connector sealing inner bag 5, a strip elastic head cover 6 and an ear cover 7.

[0037] The housing 1 comprises a left housing 11 and a right housing 12 which are engaged with each other. Figure 2 and Figure 3As shown, a snap-fit assembly 16 is provided on the front and rear sides of the left shell 11 and the right shell 12. The left shell 11 and the right shell 12 are snapped together through the snap-fit assembly 16. For example, a group of connecting plates are provided on the front and rear sides of the left shell 11 and the right shell 12 respectively. An elastic buckle is provided on one connecting plate in the same group, and a corresponding groove is provided on the other connecting plate in the same group. When the left shell 11 and the right shell 12 are snapped together, it is only necessary to snap the elastic buckles in the two groups into the corresponding grooves. When the left shell 11 and the right shell 12 are disassembled from each other, it is only necessary to pull the elastic buckles in the two groups out of the corresponding grooves. A partition 13 is provided laterally in the shell 1. The partition 13 consists of a left partition and a right partition. After the left shell 11 and the right shell 12 are snapped together, a sealed fit can be formed between the left partition and the right partition. An upper cavity 14 is formed in the shell 1 and above the partition 13. Figure 3 As shown, a disinfection wiping mechanism 2 is provided in the housing 1 and below the partition 13 near the front side and near the rear side. Figure 4 The left side of the housing 1 near the middle and the right side near the middle and above the partition 13 are both open, and the partition 13 is provided with insertion holes 131 for the conduit connector to be inserted, one in front and one in the back.

[0038] The sealed outer bag 3 is placed in the upper cavity 14 of the housing 1. The left and right housings 11 and 12 clamp the front and rear sides of the sealed outer bag 3. The exposed edge of the sealed outer bag 3 near the edge of the housing 1 forms a seal with the housing 1. The exposed edge of the sealed outer bag 3 near the edge of the housing 1 and the edge of the housing 1 near the exposed surface of the sealed outer bag 3 can form a seal with the housing 1 by a sealing strip. The fastening surface between the left and right housings 11 and 12 can also be provided with a sealing layer, so that the housing 1 is in a sterile and sealed state. When using the internal jugular vein dialysis catheter connector sterilization and sealing fixture, only the sealing strip needs to be torn off. The arterial catheter connector sealed inner bag 4 and the venous catheter connector sealed inner bag 5 are arranged in front and back within the sealed outer bag 3. The arterial catheter connector sealed inner bag 4 and the venous catheter connector sealed inner bag 5 are each provided with a sterile cotton cover 8, the opening of the sterile cotton cover 8 facing downward. A heparin cap 9 with its opening facing downward is placed on the top of the sterile cotton cover 8. The heparin cap 9 in the sterile cotton cover 8 can rotatably cooperate with the top of the sterile cotton cover 8, so that the heparin cap 9 can rotate independently. The bottom of the arterial catheter connector sealing inner bag 4 and the sealing outer bag 3 form an arterial catheter connector sleeve 31 that can be sleeved on the top of the first insertion hole 131 on the partition 13, and the bottom of the venous catheter connector sealing inner bag 5 and the sealing outer bag 3 form a venous catheter connector sleeve 32 that can be sleeved on the top of the last insertion hole 131 on the partition 13. Figure 4 As shown, the arterial catheter connector sleeve 31 and the venous catheter connector sleeve 32 are both elastic sleeves.

[0039] The disinfection wiping mechanism 2 includes a rotating sleeve 21, a rotating annular tube 22, a pressure rod 23 and a spring 24. Figure 5The rotating sleeve 21 is located in the middle of the rotating annular tube 22. The rotating sleeve 21 is composed of two left and right conical plates, forming an inner conical sleeve with a small inner hole at the upper end and a large inner hole at the lower end. The inner side of the conical plate is provided with an elastic extrusion plate 25. The inner side surface of the elastic extrusion plate 25 is uniformly distributed along the spiral direction with elastic scrapers 26 that slide in conjunction with the thread groove on the catheter connector. Figure 6 As shown, a sterilizing cotton pad 28 is provided on the inner side surface of the elastic extrusion plate 25, and an elastic scraper 26 extends out of the outer surface of the sterilizing cotton pad 28. The rotating annular tube 22 is composed of two sections of rotating annular tube bodies on the left and right. A pressure rod 23 is provided on each of the two sections of rotating annular tube bodies on the left and right. The pressure rod 23 passes horizontally through the corresponding rotating annular tube body and slides with the rotating annular tube body. One end of the pressure rod 23 is fixedly connected to the conical plate on the corresponding side. An annular baffle 27 is provided on the outer wall of the pressure rod 23 and located in the corresponding rotating annular tube body. A spring 24 is sleeved on the pressure rod 23. One end of the spring 24 presses on the inner wall of the rotating annular tube body on the corresponding side away from the rotating sleeve 21, and the other end of the spring 24 presses on the annular baffle 27. Guide holes 15 are provided at the bottom of the housing 1 and at corresponding positions below the rotating sleeve 21 on the front and rear sides. The tops of the rotating sleeves 21 on the front and rear sides correspond to the two front and rear insertion holes 131, as shown in FIG. Figure 4 and Figure 5 As shown. A sealing membrane can be provided at the bottom end of the guide hole 15 to seal the guide hole 15, thereby maintaining a sterile and sealed state within the housing 1. The guide hole 15, rotating sleeve 21, insertion hole 131, sterile cotton sleeve 8, and heparin cap 9 on the same side are coaxially arranged.

[0040] The spacer 13 is provided with a bag opening opening ring 132 at the top of the front and rear insertion holes 131. Each bag opening opening ring 132 is composed of a left bag opening opening ring and a right bag opening opening ring. The cross section of the bag opening opening ring 132 is 7-shaped. Figure 5 As shown. The arterial catheter connector sleeve 31 is sleeved on the front bag opening expansion ring 132 and is sealed with the outer wall of the front bag opening expansion ring 132. The venous catheter connector sleeve 32 is sleeved on the rear bag opening expansion ring 132 and is sealed with the outer wall of the rear bag opening expansion ring 132. Figure 4 and Figure 7 As shown. The top of the rotating annular tube 22 is provided with an annular slide rail 29 along the circumferential direction. The annular slide rail 29 is composed of a left annular slide rail and a right annular slide rail. The bottom of the partition 13 and above the rotating annular tube 22 is provided with an annular slide groove 133. Figure 7 As shown, the top of the annular slide rail 29 is embedded in the annular slide groove 133 and slidably engaged with the corresponding annular slide groove 133 .

[0041] One end of the strip elastic head cover 6 is connected to one side of the ear cover 7, and the other end of the strip elastic head cover 6 is connected to the other side of the ear cover 7. Figure 1 and Figure 8 As shown, an operation hole 61 is provided on the side of the strip elastic head cover 6 near the ear cover 7. In this embodiment, the operation hole 61 is located on the rear side of the ear cover 7. The exposed left side portion of the sealed outer bag 3 is connected to the two sides of the operation hole 61 of the strip elastic head cover 6 near both ends. In this embodiment, adhesive strips I 33 are provided on the exposed left side surface of the sealed outer bag 3 near both the front and rear sides. Adhesive strips II 62 are provided on the strip elastic head cover 6 on both sides of the operation hole 61. The two adhesive strips I 33 on the left side of the sealed outer bag 3 are bonded to the adhesive strips II 62 on both sides of the operation hole 61 in a one-to-one manner.

[0042] In this embodiment, the housing 1 and the partition 13 are made of transparent materials. Transparent switch doors 110 are provided on the left housing 11 and the right housing 12 corresponding to the disinfection wiping mechanism 2. The two switch doors 110 on the left housing 11 are sealed with the left housing 11 when closed, and the two switch doors 110 on the right housing 12 are sealed with the right housing 12 when closed. When it is necessary to open the left housing 11 and the right housing 12, the position of the disinfection wiping mechanism 2 can be checked through the transparent housing 1 and the partition 13. The switch door 110 on the left housing 11 or the right housing 12 is opened, and the disinfection wiping mechanism 2 is driven by a finger to rotate a certain angle so that the rotating annular tube body of the left section is located in the left housing 11, and the corresponding rotating annular tube body of the right section is located in the right housing 12. In this way, when the left housing 11 or the right housing 12 is opened, the disinfection wiping mechanism 2 will not affect the opening of the left housing 11 or the right housing 12.

[0043] The various components of the internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device are assembled in a sterile room. After assembly, the interior of the housing 1 is in a sterile and sealed state. When using the internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device, the following steps can be followed:

[0044] S1. Tear off the sealing film on the bottom port of the front guide hole 15 and insert the arterial catheter connector 101 into the front guide hole 15. During the insertion process, the threaded end of the front end of the arterial catheter connector 101 first contacts the sterile cotton pad 28 and wipes the surface. As the insertion progresses, the threaded groove at the front end of the arterial catheter connector 101 contacts the elastic scraper 26 on the elastic extrusion plate 25. The front end of the arterial catheter connector 101 squeezes the elastic extrusion plate 25 and the sterile cotton pad 28. The elastic extrusion plates 25 on the left and right sides push the corresponding left and right conical plates away from each other, and then the pressure rods on the left and right sides 23 move away from each other, the springs 24 on the left and right sides are compressed, the disinfection wiping mechanism 2 rotates accordingly, and the annular slide rail 29 slides in the annular slide groove 133; at the same time, during the advancement of the arterial catheter connector 101, the elastic scraper 26 slides in the thread groove at the front end of the arterial catheter connector 101, and scrapes away the dirt (such as blood scab) in the thread groove while sliding. A plurality of elastic scrapers 26 are provided, and the dirt in the thread groove at the front end of the arterial catheter connector 101 can be scraped off multiple times, thereby realizing that the front end of the arterial catheter connector 101 is automatically wiped and disinfected and dirt such as blood scab is scraped off during the insertion process of the arterial catheter connector 101.

[0045] S2. Tear off the sealing film on the bottom end of the rear guide hole 15, insert the intravenous catheter connector 102 into the rear guide hole 15, wipe and disinfect the intravenous catheter connector 102 in the same manner, and scrape off blood scabs and other dirt in the thread groove, thereby achieving automatic wiping and disinfection of the front end of the intravenous catheter connector 102 and scraping off blood scabs and other dirt during the insertion process.

[0046] S3. Continue to push the arterial catheter connector 101 and the venous catheter connector 102 into the housing 1. The front end of the arterial catheter connector 101 passes through the insertion hole 131 on the front side and is inserted into the sterile cotton sleeve 8 in the sealed inner bag 4 of the arterial catheter connector. Hold the dialysis arterial catheter 103 with one hand and continue to push it into the housing 1 so that the front end of the arterial catheter connector 101 extends into the heparin cap 9 on the front side. Use the other hand to press the left and right exposed parts of the sealed outer bag 3 corresponding to the sealed inner bag 4 of the arterial catheter connector. While applying pressure, rotate the heparin cap 9 on the front side in the same rotation direction, then release it, and continue to rotate the heparin cap 9 on the front side in the same rotation direction until the heparin cap 9 is completely screwed onto the thread on the front end of the arterial catheter connector 101 and the arterial catheter connector 101 is completely inserted into the arterial catheter connector. The front end of the intravenous catheter connector 102 is inserted into the sterile cotton sheath 8 in the inner sealed bag 4 of the head; the front end of the intravenous catheter connector 102 is passed through the insertion hole 131 on the rear side and inserted into the sterile cotton sheath 8 in the inner sealed bag 5 of the intravenous catheter connector. With one hand, the dialysis intravenous catheter 104 is held and pushed into the housing 1, so that the front end of the intravenous catheter connector 102 extends into the heparin cap 9 on the rear side. With the other hand, the exposed left and right parts of the sealed outer bag 3 corresponding to the inner sealed bag 5 of the intravenous catheter connector are pressed. While applying pressure, the heparin cap 9 on the rear side is rotated in the same direction, then released and continued to rotate in the same direction until the heparin cap 9 on the rear side is completely screwed onto the threads of the front end of the intravenous catheter connector 102 and the intravenous catheter connector 102 is completely inserted into the sterile cotton sheath 8 in the inner sealed bag 5 of the intravenous catheter connector. Thus, the heparin cap 9 is screwed onto the arterial catheter connector 101 and the intravenous catheter connector 102 in a completely sealed and sterile state.

[0047] S4. Disassemble the front and rear fastening assemblies 16 of the left and right outer shells 11 and 12 to separate the left and right outer shells 11 and 12 from the sealed outer bag 3. Slide the arterial catheter connector sleeve 31 out of the front bag opening opening ring 132 and put it on the dialysis arterial catheter 103 near the arterial catheter connector 101, so that the disinfected arterial catheter connector 101 is completely enclosed in the sterile cotton sheath 8 in the sterile arterial catheter connector sealed inner bag 4. Slide the venous catheter connector sleeve 32 out of the rear bag opening opening ring 132 and put it on the dialysis venous catheter 104 near the venous catheter connector 102, so that the disinfected venous catheter connector 102 is completely enclosed in the sterile cotton sheath 8 in the sterile venous catheter connector sealed inner bag 5.

[0048] S5. The unfolded strip elastic headgear 6 is put on the dialysis patient's head, and the earmuffs 7 are put on the ears, so that the arterial catheter connector 101 and the venous catheter connector 102, which have been disinfected and wrapped after being removed from the hemodialysis machine, are hung on the back of the patient's ears. The strip elastic headgear 6 worn on the dialysis patient's head has a pulling effect on the earmuffs 7, which effectively prevents the earmuffs 7 from falling off the dialysis patient's ears.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A disinfection, sealing, and fixing device for an internal jugular vein dialysis catheter connector, characterized in that: It comprises a shell (1), a disinfection wiping mechanism (2), a sealed outer bag (3), an arterial catheter connector sealed inner bag (4), a venous catheter connector sealed inner bag (5), a strip-shaped elastic head cover (6) and ear covers (7); The housing (1) comprises a left housing (11) and a right housing (12) that are engaged with each other, a partition (13) is transversely arranged in the housing (1), an upper cavity (14) is formed in the housing (1) and above the partition (13), and a disinfection wiping mechanism (2) is provided in the housing (1) and below the partition (13) near the front side and near the rear side; the left side of the housing (1) near the middle and the right side near the middle and above the partition (13) are both open; the partition (13) is provided with insertion holes (131) for inserting a catheter connector, one in front and one in the back; The sealed outer bag (3) is placed in the upper cavity (14) of the shell (1), and the arterial catheter connector sealed inner bag (4) and the venous catheter connector sealed inner bag (5) are arranged in the sealed outer bag (3) in front and behind. A sterile cotton sleeve (8) is provided in each of the arterial catheter connector sealed inner bag (4) and the venous catheter connector sealed inner bag (5), the opening of the sterile cotton sleeve (8) is downward, and a heparin cap (9) with an opening facing downward is placed on the top of the sterile cotton sleeve (8). The bottoms of the arterial catheter connector sealed inner bag (4) and the sealed outer bag (3) form an arterial catheter connector sleeve (31) that can be sleeved on the top of the front insertion hole (131) on the partition (13), and the bottoms of the venous catheter connector sealed inner bag (5) and the sealed outer bag (3) form a venous catheter connector sleeve (32) that can be sleeved on the top of the rear insertion hole (131) on the partition (13); The disinfection wiping mechanism (2) comprises a rotating sleeve (21), a rotating annular tube (22), a pressure rod (23) and a spring (24); the rotating sleeve (21) is located in the middle of the rotating annular tube (22); the rotating sleeve (21) is composed of two left and right conical plates, forming an inner conical sleeve with a small inner hole at the upper end and a large inner hole at the lower end; an elastic extrusion plate (25) is provided on the inner side surface of the elastic extrusion plate (25); elastic scrapers (26) that are uniformly distributed along the spiral direction on the inner side surface of the elastic extrusion plate (25) and that are slidably matched with the thread groove on the catheter joint; the rotating annular tube (22) is composed of two left and right rotating annular tube bodies, the left one is the inner conical sleeve, and the spring (24) is the inner conical sleeve. A pressure rod (23) is provided on each of the two right sections of the rotating annular tube body. The pressure rod (23) passes horizontally through the corresponding rotating annular tube body and is slidably matched with the rotating annular tube body. One end of the pressure rod (23) is fixedly connected to the conical plate on the corresponding side. An annular baffle (27) is provided on the pressure rod (23) and located in the corresponding rotating annular tube body. The spring (24) is sleeved on the pressure rod (23). One end of the spring (24) is pressed on the inner wall of the rotating annular tube body on the corresponding side away from the rotating sleeve (21), and the other end of the spring (24) is pressed on the annular baffle (27); Guide holes (15) are provided at the bottom of the shell (1) and at corresponding positions below the front and rear rotating sleeves (21); the tops of the front and rear rotating sleeves (21) correspond to the front and rear insertion holes (131); one end of the strip elastic head cover (6) is connected to one side of the ear cover (7); the other end of the strip elastic head cover (6) is connected to the other side of the ear cover (7); an operating hole (61) is provided on the side of the strip elastic head cover (6) close to the ear cover (7); and the exposed portion on the left side of the sealed outer bag (3) is connected to the two sides of the operating hole (61) of the strip elastic head cover (6) close to both ends.

2. The internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device according to claim 1, characterized in that: A sterilizing cotton pad (28) is provided on the inner side of the elastic extrusion plate (25), and the elastic scraper (26) extends out of the outer side surface of the sterilizing cotton pad (28).

3. The internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device according to claim 1, characterized in that: The partition (13) is provided with a bag opening opening ring (132) at the top of the front and rear insertion holes (131); the arterial catheter connector sleeve (31) is sleeved on the front bag opening opening ring (132) and is sealed with the outer wall of the front bag opening opening ring (132); the venous catheter connector sleeve (32) is sleeved on the rear bag opening opening ring (132) and is sealed with the outer wall of the rear bag opening opening ring (132).

4. The internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device according to claim 3, characterized in that: An annular slide rail (29) is provided at the top of the rotating annular tube (22) along the circumferential direction, and an annular slide groove (133) is provided at the bottom of the partition (13) and above the rotating annular tube (22). The top of the annular slide rail (29) is embedded in the annular slide groove (133) and slidably cooperates with the corresponding annular slide groove (133).

5. The internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device according to claim 4, characterized in that: The guide hole (15), the rotating sleeve (21), the insertion hole (131), the sterile cotton sleeve (8) and the heparin cap (9) on the same side are coaxially arranged.

6. The internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device according to claim 5, characterized in that: The exposed surface of the sealed outer bag (3) is close to the edge of the outer shell (1) and forms a sealed fit with the outer shell (1).

7. The internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device according to claim 6, characterized in that: The exposed left side of the sealed outer bag (3) is provided with adhesive strips I (33) near the front and rear sides, and the strip-shaped elastic head cover (6) is provided with adhesive strips II (62) on both sides of the operation hole (61). The two adhesive strips I (33) on the left side of the sealed outer bag (3) are bonded to the adhesive strips II (62) on both sides of the operation hole (61) in a one-to-one correspondence.

8. The internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device according to claim 7, characterized in that: Buckling components (16) are provided on the front and rear side surfaces of the left shell (11) and the right shell (12), and the left shell (11) and the right shell (12) are buckled with each other through the buckling components (16).

9. The internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device according to claim 8, characterized in that: The cross section of the bag opening opening ring (132) is in the shape of a figure 7.

10. The internal jugular vein dialysis catheter connector disinfection, sealing, and fixing device according to any one of claims 1 to 9, characterized in that: The heparin cap (9) in the sterile cotton sleeve (8) is rotatably matched with the top of the sterile cotton sleeve (8).

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