Split type blood cell separation pipeline packaging box

The split-type blood cell separation tubing container solves the problems of large welding area and low processing efficiency in existing technologies, achieving cost reduction and improved processing efficiency.

CN223874192UActive Publication Date: 2026-02-06CHONGQING SANDA WEIYE PHARM CO LTD
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Patent Information

Application Number
CN202423134159.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2026-02-06
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

The existing blood cell separation tubing container has a one-piece structure, which results in a large welding area, a narrow range of material choices, low processing efficiency, and high cost.

Method used

The design adopts a split structure, which allows for the detachable connection of the top cover and the box body. The prefabricated pipelines are detachably connected inside the container. Each pipeline is independently welded and assembled, and fixed by limiting holes and positioning structures. The material selection is flexible, reducing the difficulty of processing.

Benefits of technology

It enables independent positioning and fixing of each pipeline, reduces manufacturing costs, improves processing efficiency, allows for more flexible material selection, and has strong applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a split type blood cell separation pipeline packaging box which comprises an upper cover, a box body and a plurality of prefabricated pipelines, the upper cover and the box body are detachably connected into the packaging box, the prefabricated pipelines are detachably connected into the packaging box, and at least one end of each prefabricated pipeline is limited in a limiting hole formed in the side wall of the packaging box. And each prefabricated pipeline forms an independent loop communicated with the outside of the box body in the packaging box. The structure is mainly suitable for blood circulation and blood cell separation pipeline control, the installation position of each pipeline in the box is designed according to the relative position of each sensor of equipment, each functional pipeline is positioned through welding or pressing (including screws, buckles and inlaying) and other modes, and it is guaranteed that the functional pipelines are matched with each control unit of the equipment; the device has the advantages of being easy and convenient to disassemble and assemble, easy to machine and high in practicability.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a split blood cell separation pipeline set box for blood circulation. BACKGROUND

[0002] In the field of component blood collection, high-end blood cell apheresis equipment and consumables have been dominated by imported products. In order to facilitate compact equipment structure design and centralized control, the pipeline system of such products generally has a control box for controlling the flow, flow direction, pressure and quality of blood and blood cells in the external circulation part.

[0003] The existing set box structure on the market is an integrated structure ( Figure 1 ), that is, the set box is made into an upper shell ( Figure 2 ), a lower shell ( Figure 3 ) according to the product structure, and each pipeline is a half-section structure on the upper and lower shells. After the upper and lower shells are welded together, each pipeline forms a complete closed cavity.

[0004] Problems: due to the independence of each pipeline, the welding area of the upper and lower shells is large, the selection of welding equipment is narrow, and the selection of parts materials is also narrow due to welding performance, medical grade requirements, etc. (domestic materials cannot meet the requirements, all imported materials). The injection molding conditions of the material are harsh, the deformation temperature is low, resulting in low processing efficiency. CONTENT OF THE INVENTION

[0005] The purpose of the present application is to provide a split blood cell separation pipeline set box to solve the problems of unreasonable structure design, high manufacturing cost and low processing efficiency in the prior art.

[0006] The embodiments of the present application can be implemented by the following technical solutions:

[0007] A split blood cell separation pipeline set box, comprising an upper cover, a box body, and a plurality of prefabricated pipelines, the upper cover and the box body are detachably connected to form a set box, and the plurality of prefabricated pipelines are detachably connected in the set box, and at least one end of each prefabricated pipeline is limited in a limiting hole formed in the side wall of the set box. Each prefabricated pipeline forms an independent loop in the set box which is in communication with the outside of the box body.

[0008] Further, the prefabricated pipeline includes a blood collection pipeline, a back infusion pipeline, a cavity pressure sensor pipeline, a photoelectric sensor pipeline, and a non-control pipeline.

[0009] The blood collection pipeline, the back infusion pipeline, the cavity pressure sensor pipeline, and the photoelectric sensor pipeline are all pipelines assembled after independent welding.

[0010] Further, the box body is a cuboid structure, the upper surface of the box body is a hollow surface, and a plurality of outer pipe joint mounting grooves and pump pipe joint mounting grooves are formed in four surfaces of the box body, the bottom surface of the box body is provided with a plurality of positioning structures, each pipeline is positioned on the positioning structure of the bottom surface of the box body, and at least one end is limited in the outer pipe joint mounting groove or the pump pipe joint mounting groove and is pressed by the upper cover.

[0011] Further, the plurality of positioning structures are a first boss, a cavity accommodating port, a second boss and a limiting partition plate arranged in sequence along the length direction of the box body, and the first boss and the second boss have the same overall structure.

[0012] Further, the first boss is an annular structure, and the annular center thereof is a through hole structure, a plurality of buckles are connected to the first boss, the plurality of buckles are arranged along the circumference of the first boss, and the positive and negative pressure sensors of the blood collection pipeline are limited above the first boss through the buckles.

[0013] Further, the blood collection pipeline comprises a positive and negative pressure sensor assembly, a catheter, a pipe joint and a pump pipe joint, and the pipe joint and the pump pipe joint are connected to two ends of the positive and negative pressure sensor assembly through the catheter.

[0014] The positive and negative pressure sensor assembly comprises a bracket, a bubble filter and a positive and negative pressure sensor, the positive and negative pressure sensor and the bubble filter are connected and welded on the bracket.

[0015] Further, the cavity accommodating port is provided on the outside with a plurality of buckles, the plurality of buckles are arranged along the periphery of the cavity accommodating port, the backflow pool of the backflow pipeline is limited at the cavity accommodating port through the buckles, and the top surface of the upper cover is further provided with a limiting opening, and the limiting opening and the cavity accommodating port cooperate to accommodate the backflow pool.

[0016] Further, the backflow pipeline comprises a backflow pool, a backflow filter, a catheter and a pump pipe joint connected in sequence, one port of the backflow pool is connected with the backflow filter, the other port penetrates through one side wall of the box body, and the pump pipe joint is also connected to the same side wall, and the pump pipe joint is mounted in the pump pipe joint mounting groove.

[0017] Further, the limiting partition plate is arranged along the length direction of the box body, and the limiting partition plate is provided with a plurality of grooves penetrating through the width direction of the box body.

[0018] Further, the photoelectric sensor pipeline is provided with a photoelectric receiving box, a tee joint, a catheter joint, a pump pipe joint and a plurality of catheters, the photoelectric receiving box is internally provided with a receiving device, one end of the photoelectric receiving box is connected with the catheter joint through the catheter, the other end is connected with the tee joint through the catheter, and the other two ends of the tee joint are respectively connected with the catheter joint and the pump pipe joint through the catheter.

[0019] The embodiment of the application provides a split blood cell separation pipeline set box, which has at least the following beneficial effects:

[0020] The structure is mainly applicable to blood circulation and blood cell separation pipeline control, the installation positions of the pipelines in the box are designed according to the relative positions of the sensors of the equipment, and the functions of the pipelines are positioned through welding or compression (including screws, buckles and inlaying) and the like, so that the pipelines are matched with the control units of the equipment.

[0021] The installation size of the set box in the application is unchanged, the pipelines in the set box are designed as independent structures by an integral structure, and the control units are separately welded. The materials can be selected according to the functions, and the materials with corresponding strength and different medical grades are used, so that the manufacturing cost and difficulty and the difficulty of material selection are greatly reduced, and the structure design is more reasonable, the set box is easy to process, the manufacturing cost is low, and the set box has the advantages of high practicability and the like. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an overall appearance diagram of the existing set box on the market;

[0023] Figure 2 It is a lower shell diagram of the existing structure;

[0024] Figure 3 It is an upper shell diagram of the existing structure;

[0025] Figure 4 It is a perspective view of the overall structure of the application;

[0026] Figure 5 It is a partial exploded view of the structure of the application;

[0027] Figure 6 It is an overall structure diagram of the application;

[0028] Figure 7 It is a box body structure diagram in the application;

[0029] Figure 8 It is an upper cover structure diagram in the application;

[0030] Figure 9 It is a blood collection pipeline schematic diagram in the application;

[0031] Figure 10 It is a blood return pipeline schematic diagram in the application;

[0032] Figure 11 Fig. 1 is a schematic diagram of the cavity pressure pipeline in the present application;

[0033] Figure 12 Fig. 2 is a schematic diagram of the photoelectric sensor pipeline in the present application.

[0034] Reference numerals in the drawings

[0035] 1 - upper cover; 2 - box body; 3 - blood collection pipeline; 4 - blood return pipeline; 5 - cavity pressure sensor pipeline; 6 - photoelectric sensor pipeline; 7 - tee joint; 8 - pipe joint; 9 - pump pipe joint; 10 - gland; 11 - positive and negative pressure sensing pad; 12 - bracket; 13 - bubble filter; 14 - catheter; 15 - blood return pool; 16 - blood return filter; 17 - silica gel pad; 18 - limiting opening; 19 - limiting strip; 20 - photoelectric receiving box; 21 - first boss; 23 - second boss; 24 - cavity accommodating opening; 25 - limiting partition; 28 - outer pipe joint mounting groove; 29 - pump pipe joint mounting groove. DETAILED DESCRIPTION

[0036] Hereinafter, the present application will be further described based on the preferred embodiments and with reference to the accompanying drawings.

[0037] In addition, for the convenience of understanding, various components on the drawings are enlarged (thick) or reduced (thin), but such practice is not intended to limit the protection scope of the present application.

[0038] The singular form of the word also includes the plural meaning, and vice versa.

[0039] In the description of the embodiments of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the embodiments of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, in the description of the present application, in order to distinguish different units, the first, second and the like are used in the specification, but these will not be limited by the order of manufacture, and cannot be understood as indicating or implying relative importance, and the name may be different in the detailed description and the claims of the present application.

[0040] The terms in the specification are used to illustrate the embodiments of the present application, but are not intended to limit the present application. It should also be noted that, unless otherwise explicitly specified and limited, if the terms "arranged", "connected", "linked" appear, they should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be specifically understood.

[0041] After the applicant's long-term and in-depth research, it is found that the existing container box structure on the market is an integral structure, that is, the container box is made into upper and lower shell two parts according to the product structure, and each pipeline is a half-section structure on the upper and lower shell. After the upper and lower shell are welded together, each pipeline forms a complete closed cavity. Because the pipeline in the shell is complex, each pipeline is relatively independent, each pipeline has a corresponding welding line, the welding area is large, the welding line is complex, and the existing technology only adopts hot plate welding technology to ensure the cleanliness of the inner cavity. Domestic medical materials cannot meet the requirements under this condition; the processing technology requirement of imported materials is harsh, the raw material needs to be dried before injection molding, the moisture content of the material is not more than 3 / 10,000, the injection mold temperature is not more than 36℃, a special water cooling machine and a dehumidifying dryer are required, and a special low-temperature drying equipment needs to be configured before the parts are welded. The whole manufacturing process is complex, difficult to manufacture, and low in efficiency.

[0042] In view of the above situation, the inventor proposes a split type container box structure, as shown in Figures 4 to 12 A split type blood cell separation pipeline container box includes an upper cover 1, a box body 2, and a plurality of prefabricated pipelines. The upper cover 1 and the box body 2 are detachably connected to form a container box. The plurality of prefabricated pipelines are detachably connected in the container box, and at least one end of each prefabricated pipeline is limited in a limiting hole formed in the side wall of the container box. Each prefabricated pipeline forms an independent loop in the container box, which is in communication with the outside of the box body, for establishing a circulating loop and respectively conveying blood cells.

[0043] In some preferred embodiments, the prefabricated pipeline includes a blood collection pipeline 3, a blood return pipeline 4, a cavity pressure sensor pipeline 5, a photoelectric sensor pipeline 6, and a non-control pipeline. The blood collection pipeline 3, the blood return pipeline 4, the cavity pressure sensor pipeline 5, and the photoelectric sensor pipeline 6 are independently welded and assembled pipelines, and each pipeline is limited to a specified position on the bottom surface of the box body 2.

[0044] In some preferred embodiments, the box body 2 is a cuboid structure, the upper surface of the box body 2 is a hollow surface, and a plurality of outer pipe joint installation grooves 28 and pump pipe joint installation grooves 29 are formed on four surfaces of the box body 2. A plurality of positioning structures are arranged on the bottom surface of the box body 2, and the positioning structures are sequentially arranged along the length direction of the box body 2, and each positioning structure is a first boss 21, a cavity accommodating port 24, a second boss 23, and a limiting partition plate 25. Each pipeline is installed at a specified position on the bottom surface of the box body 2, and at least one end is limited in the outer pipe joint installation groove 28 or the pump pipe joint installation groove 29, and is pressed and fixed by the upper cover 1, so as to fix the connection position of each pipeline and avoid displacement of the end of each pipeline after the connection of the pipeline and the container box.

[0045] In some preferred embodiments, a plurality of buckles 22 are connected to the first boss 21, and the buckles 22 are arranged along the circumference of the first boss 21, and are used to position the positive and negative pressure sensors of the blood collection pipeline 3.

[0046] In some preferred embodiments, the blood collection pipeline 3 includes a positive and negative pressure sensor assembly, a catheter 14, a pipe joint 8, and a pump pipe joint 9. The pipe joint 8 and the pump pipe joint 9 are connected to both ends of the positive and negative pressure sensor assembly through the catheter 14. During installation, the positive and negative pressure sensor assembly is welded or pressed to the corresponding position of the box body 2. The pump pipe joint 9 is installed in the pump pipe joint installation groove 29, and the pipe joint 8 is installed in the outer pipe joint installation groove 28, so as to form a loop for later blood delivery.

[0047] In some preferred embodiments, the positive and negative pressure sensor assembly includes a bracket 12, a bubble filter 13, and a positive and negative pressure sensor. The positive and negative pressure sensor and the bubble filter 13 are connected and welded to the bracket 12. The other end of the bubble filter 13 is connected to the pump pipe joint 9 through the catheter 14, and the other end of the positive and negative pressure sensor is connected to the pipe joint 8.

[0048] In some preferred embodiments, the positive and negative pressure sensor pad 11 is composed of medical silica gel vulcanization and prepositioned stainless steel pad.

[0049] In some preferred embodiments, the positive and negative pressure sensor is welded and pressed on the positive and negative pressure sensor pad 11 by the bracket 12 and the gland 10, so as to realize an integrated structure.

[0050] In some preferred embodiments, a plurality of buckles 22 are arranged on the outside of the cavity accommodating port 24, and the buckles 22 are arranged along the periphery of the cavity accommodating port 24, and are used to fix the return pool 15 of the return blood pipeline 4.

[0051] In some preferred embodiments, the return blood line 4 comprises a return pool 15, a return filter 16, a catheter 14, and a pump tube joint 9 connected in sequence. When installed, the return pool 15 is welded to a designated position on the bottom surface of the box body 2. One port of the return pool 15 is connected to the return filter 16, and the other port penetrates through a side wall of the box body 2. The pump tube joint 9 is also connected to the same side wall and is installed in the pump tube joint installation groove 29. The return blood line 4 is used to complete blood return.

[0052] In some preferred embodiments, a plurality of buckles 22 are connected to the second boss 23 and are arranged along the circumference of the second boss 23. The buckles 22 are used to position the cavity pressure sensor of the cavity pressure sensor line 5.

[0053] In some preferred embodiments, the cavity pressure sensor line 5 is composed of a cavity pressure sensor assembly, a pump tube joint 9, a tube joint 8, and a catheter 14. The pump tube joint 9 and the tube joint 8 are respectively connected to two ends of the cavity pressure sensor assembly through the catheter 14. The cavity pressure sensor assembly is welded and press-fitted with the gasket 17 through the bracket 12 and the gland 10.

[0054] In some preferred embodiments, the limiting partition plate 25 is arranged along the length direction of the box body 2. The limiting partition plate 25 is provided with a plurality of grooves penetrating through the width direction of the box body 2, which are used to position the ports of part of the lines.

[0055] In some preferred embodiments, the photoelectric sensor line 6 is composed of a photoelectric receiving box 20, a tee joint 7, a catheter joint 8, a pump tube joint 9, and a plurality of catheters 14. The photoelectric receiving box 20 contains a receiving device for signal transmission. One end of the photoelectric receiving box 20 is connected to the catheter joint 8 through the catheter 14, and the other end is connected to the tee joint 7 through the catheter 14. The other two ends of the tee joint 7 are respectively connected to the catheter joint 8 and the pump tube joint 9 through the catheter 14. The tube joint 8 connected to the tee joint 7 is clamped in a groove of the limiting partition plate 25.

[0056] In some preferred embodiments, the non-control line is composed of a catheter 14, a pump tube joint 9, or a tube joint 8. Each non-control line is installed at a designated position according to its function.

[0057] In some preferred embodiments, the bottom surface of the box body 2 is further provided with a limiting strip 19 connected to the inner wall of the bottom surface of the box body 2, which is used as a reinforcing rib and can assist in limiting the catheter 14 in the container box.

[0058] In some preferred embodiments, the first boss 21 and the second boss 23 are annular structures, and the annular center thereof is a through hole structure, so that the sensor can be exposed outside the box body 2, facilitating operation.

[0059] In some preferred embodiments, the positive and negative pressure sensor assembly, the backflow pool 15, the cavity pressure sensor assembly, and the photoelectric sensor are all independently welded structures.

[0060] In some preferred embodiments, the consumables are connected with the container box through the pump pipe joint 9 or the pipe joint 8 to realize blood circulation control.

[0061] In some preferred embodiments, the sidewall of the upper cover 1 is also provided with an outer pipe joint mounting groove 28 and a pump pipe joint mounting groove 29. When the upper cover 1 and the box body 2 are connected to form a container box, the two split outer pipe joint mounting grooves 28 are connected in cooperation to form a first limiting hole penetrating the inside and outside of the container box, and correspondingly, the two split pump pipe joint mounting grooves 29 are also connected in cooperation to form a second limiting hole penetrating the inside and outside of the container box. The structure of the first limiting hole is matched with the structure of the pipe joint 8, used to limit the connection position of the pipe joint 8 with the sidewall of the container box without position deviation, and the structure of the second limiting hole is matched with the structure of the pump pipe joint 9, used to limit the connection position of the pump pipe joint 9 with the sidewall of the container box without position deviation.

[0062] In some preferred embodiments, the top surface of the upper cover 1 is also provided with a limiting opening 18, which is matched with the cavity of the outer wall of the backflow pool 15, and the limiting opening 18 and the cavity accommodating hole 24 are cooperated to reserve the mounting space of the backflow pool 15 and limit the backflow pool 15.

[0063] In some preferred embodiments, the inner wall of the top surface of the upper cover 1 is also provided with a plurality of limiting strips 19 connected to the inner wall of the top surface of the upper cover 1, used as reinforcing ribs and capable of assisting in limiting the catheter 124 in the container box.

[0064] In some preferred embodiments, the sidewall of the upper cover 1 and the bottom surface and the sidewall of the box body 2 have a thickness of 2mm-6mm, so as to ensure the structural strength without occupying too much space.

[0065] The specific embodiments of the present application are described in detail above, and for those skilled in the art, without departing from the principles of the present application, some improvements and modifications can be made to the present application, and these improvements and modifications also belong to the protection scope of the claims of the present application.

Claims

1. A split-type blood cell separation tubing container, characterized in that, The utility model relates to a kind of split blood cell separation pipeline set packing, including: Upper cover (1), box body (2), and several prefabricated pipelines, the upper cover (1), the box body (2) can be detachably connected as a set packing, several prefabricated pipelines are detachably connected in the set packing, and at least one end of each prefabricated pipeline is limited in the limiting hole opened in the lateral wall of the set packing, and each prefabricated pipeline forms independent loop in the set packing and is communicated with the outside of box body.

2. The split blood cell separation pipeline set packing according to claim 1, wherein: The prefabricated pipeline includes a blood collection pipeline (3), a blood return pipeline (4), a cavity pressure sensor pipeline (5), a photoelectric sensor pipeline (6), and a non-control pipeline; The blood collection pipeline (3), the blood return pipeline (4), the cavity pressure sensor pipeline (5), and the photoelectric sensor pipeline (6) are all independently welded and assembled pipelines.

3. The split blood cell separation pipeline set packing according to claim 2, wherein: The box body (2) is a rectangular structure, the upper surface of the box body (2) is a hollow surface, and a plurality of outer tube joint mounting grooves (28) and pump tube joint mounting grooves (29) are formed on four surfaces of the box body (2), and a plurality of positioning structures are arranged on the bottom surface of the box body (2), each pipeline is positioned on the positioning structure on the bottom surface of the box body (2), and at least one end is limited in the outer tube joint mounting groove (28) or the pump tube joint mounting groove (29) and is pressed tightly by the upper cover (1).

4. The split blood cell separation pipeline set packing according to claim 3, wherein: The plurality of positioning structures are a first boss (21), a cavity accommodating port (24), a second boss (23), and a limiting partition plate (25) arranged in sequence along the length direction of the box body (2), and the first boss (21) and the second boss (23) have the same overall structure.

5. The split blood cell separation pipeline set packing according to claim 4, wherein: The first boss (21) is an annular structure, the center of the annular structure is a through hole structure, a plurality of buckles (22) are connected to the first boss (21), and the plurality of buckles (22) are arranged along the circumferential direction of the first boss (21), and the positive and negative pressure sensors of the blood collection pipeline (3) are limited above the first boss (21) by the buckles (22).

6. The split blood cell separation pipeline set packing according to claim 2, wherein: The blood collection pipeline (3) includes a positive and negative pressure sensor assembly, a catheter (14), a tube joint (8), and a pump tube joint (9), the tube joint (8) and the pump tube joint (9) are connected to both ends of the positive and negative pressure sensor assembly through the catheter (14) respectively; The positive and negative pressure sensor assembly includes a bracket (12), a bubble filter (13), and a positive and negative pressure sensor, the positive and negative pressure sensor and the bubble filter (13) are connected and welded to the bracket (12).

7. The split blood cell separation pipeline set packing according to claim 4, wherein: The outer part of the cavity accommodating opening (24) is provided with a plurality of buckles (22), the plurality of buckles (22) are arranged along the periphery of the cavity accommodating opening (24), the return pool (15) of the return blood pipeline (4) is limited at the cavity accommodating opening (24) through the buckle (22), and the top surface of the upper cover (1) is also provided with a limiting opening (18), and the limiting opening (18) and the cavity accommodating opening (24) are matched to accommodate the return pool (15).

8. The split blood cell separation tube set box according to claim 2, wherein: The return blood pipeline (4) comprises a return pool (15), a return filter (16), a catheter (14) and a pump tube joint (9) connected in sequence, one port of the return pool (15) is connected with the return filter (16), the other port penetrates through one side wall of the box body (2), and the pump tube joint (9) is also connected to the same side wall, and the pump tube joint (9) is installed in the pump tube joint installation groove (29).

9. The split blood cell separation tube set box according to claim 4, wherein: The limiting partition plate (25) is arranged along the length direction of the box body (2), and the limiting partition plate (25) is provided with a plurality of grooves penetrating through the width direction of the box body (2).

10. The split blood cell separation tube set box according to claim 2, wherein: The photoelectric sensor pipeline (6) comprises a photoelectric receiving box (20), a tee joint (7), a catheter joint (8), a pump tube joint (9) and a plurality of catheters (14), the photoelectric receiving box (20) contains a receiving device, one end of the photoelectric receiving box (20) is connected with the catheter joint (8) through the catheter (14), the other end is connected with the tee joint (7) through the catheter (14), and the other two ends of the tee joint (7) are respectively connected with the catheter joint (8) and the pump tube joint (9) through the catheter (14).