阅读说明：本技术 用于皮下植入到患者体内的导管的端口 (Port for a catheter subcutaneously implanted in a patient ) 是由 马蒂亚斯·胡特 马丁纳·帕皮奥雷克 于 2019-08-23 设计创作，主要内容包括：一种用于皮下植入到患者体内的导管(2)的端口(1),包括壳体(10)；布置在壳体(10)中以用于接纳流体的腔(110)；安置在壳体(10)上并且能够被穿刺针(50)穿透以用于进入腔(110)的能够被针穿透的封闭元件(13)；用于将导管(2)连接至端口(1)的连接器(12),连接器(12)具有用于接纳导管(2)的轴部分(121)和形成在该轴部分(121)中并与腔(110)流体连接的流动通道(124)；以及用于将导管(2)固定在连接器(12)上的固定元件(14)。本文中的固定元件(14)包括本体部分(140)、从本体部分(140)沿固定方向(F)突出的夹持元件(142)以及形成在本体部分(140)上的至少一个锁定元件(147),至少一个锁定元件在预组装状态和组装状态下将固定元件(14)保持在壳体(10)上。(A port (1) for a catheter (2) for subcutaneous implantation into a patient, comprising a housing (10); a cavity (110) arranged in the housing (10) for receiving a fluid; a needle-penetrable closure element (13) arranged on the housing (10) and penetrable by the puncture needle (50) for accessing the cavity (110); a connector (12) for connecting the catheter (2) to the port (1), the connector (12) having a shaft portion (121) for receiving the catheter (2) and a flow channel (124) formed in the shaft portion (121) and in fluid connection with the lumen (110); and a fixing element (14) for fixing the catheter (2) to the connector (12). The securing element (14) herein comprises a body portion (140), a clamping element (142) projecting from the body portion (140) in a securing direction (F), and at least one locking element (147) formed on the body portion (140), which holds the securing element (14) on the housing (10) in a pre-assembled state and in an assembled state.)

1. A port (1) for a catheter (2) to be subcutaneously implanted in a patient, the port (1) comprising:

a housing (10);

a cavity (110), the cavity (110) being arranged in the housing (10) for receiving a fluid;

a needle-penetratable closure element (13), said closure element (13) being arranged on said housing (10) and being penetratable by a puncture needle (50) for accessing said cavity (110);

a connector (12) for connecting the catheter (2) to the port (1), the connector (12) having a shaft portion (121) for receiving the catheter (2) and a flow channel (124) formed in the shaft portion (121) and in fluid connection with the lumen (110); and

a fixing element (14), the fixing element (14) being used to fix the catheter (2) on the connector (12),

it is characterized in that the preparation method is characterized in that,

the fixing element (14) comprising a body portion (140), a clamping element (142) protruding from the body portion (140) in a fixing direction (F), and at least one locking element (147) formed on the body portion (140),

wherein, in a pre-assembled state of the securing element (14), the at least one locking element (147) is in positive locking engagement with a first counter-locking element (104) formed on the housing (10) to retain the securing element (14) on the housing (10) in the pre-assembled state,

wherein, in an assembled state of the fixing element (14), the at least one locking element (147) is in positive locking engagement with a second counter locking element (105) formed on the housing (10) to fix the fixing element (14) relative to the housing (10) in the assembled state, and

wherein the fixing element (14) is movable relative to the housing (10) along the fixing direction (F) for transforming the fixing element (14) from the pre-assembled state into the assembled state, the clamping element (142) being configured to act on the catheter (2) in the assembled state of the fixing element (14) for fixing the catheter (2) on the shaft portion (121) of the connector (12).

2. Port (1) according to claim 1, wherein the housing (10) comprises an opening (102), wherein the shaft portion (121) is at least partially seated in the opening (102) of the housing (10).

3. Port (1) according to claim 1 or 2, wherein the clamping element (142) is movable in the opening (102) of the housing (10) by moving the fixation element (14) from the pre-assembled state to the assembled state.

4. Port (1) according to one of claims 1 to 3, wherein the clamping element (142) comprises a clamping opening (143) extending along the fixing direction (F), wherein the shaft portion (121) reaches into the clamping opening (143) at least in the assembled state of the fixing element (14).

5. Port (1) according to claim 4, wherein the clamping element (142) comprises a shoulder portion (146) formed within the clamping opening (143), wherein, in the assembled state of the fixation element (14), the clamping element (142) is configured to act on the catheter (2) by means of the shoulder portion (146) to fix the catheter (2) on the shaft portion (121) of the connector (12).

6. Port (1) according to claim 5, wherein the clamping opening (143) comprises a first widened portion (144) and a second narrowed portion (145), wherein the shoulder portion (146) is axially formed between the first widened portion (144) and the second narrowed portion (145).

7. Port (1) according to claim 6, wherein the shaft portion (121) comprises a widened portion (122) and a tip portion (123), the widened portion (122) being seated within the first widened portion (144) of the clamping opening (143), the tip portion (123) reaching into the second narrowed portion (145) of the clamping opening (143).

8. Port (1) according to claim 7, wherein the shaft portion (121) comprises a shoulder region (125) formed between the widened section (122) and the tip section (123), wherein, in the assembled state of the fixation element (14), the catheter (2) is clamped between the shoulder portion (146) of the clamping element (142) and the shoulder region (125) of the shaft portion (121).

9. Port (1) according to at least one of the preceding claims, wherein the housing (10) comprises at least one locking cavity (103), wherein the at least one locking element (147) protrudes from the body portion (140) along the fixation direction (F) and into the at least one locking cavity (103).

10. Port (1) according to at least one of the preceding claims, wherein the second counter locking element (105) comprises an inclined face extending at an inclined angle with respect to the fixing direction (F), the at least one locking element (147) abutting the inclined face in a direction directed opposite to the fixing direction (F) in the assembled state of the fixing element (14).

11. Port (1) according to at least one of the preceding claims, wherein the body portion (140) comprises an end section (141) at a distal end with respect to the clamping element (142), wherein the end section (141) comprises a snap element (149), the snap element (149) engaging with a counter snap element (107) formed on the housing (10) in the assembled state of the fixation element (14).

12. Port (1) according to at least one of the preceding claims, wherein at least one of the housing (10) and the fixation element (14) comprises a radiopaque marker (15) with an X-ray discernible marking structure (150).

13. Port (1) according to at least one of the preceding claims, wherein indicator (16) comprises a first indicator portion (160) arranged on the housing (10) and a second indicator portion (161) arranged on the fixation element (14), the first indicator portion (160) and the second indicator portion (161) being in a first position relative to each other in the pre-assembled state of the fixation element (14) and in a second position relative to each other in the assembled state of the fixation element (14), the second position visually indicating a correct attachment of the fixation element (14) with the housing (10) in the assembled state.

14. Port (1) according to one of the preceding claims, wherein the port (1) has an external shape defined by the housing (10) and the closing element (13) attached to the housing (10), wherein at least one adaptor (3, 4) is attachable to the housing (10) to change the external shape of the port (1), wherein the port (1) is operative with or without the at least one adaptor (3, 4) attached to the housing (10).

15. Port (1) according to claim 14, wherein the outer shape is defined by a maximum height (H), a maximum length (L) and a maximum width, wherein the maximum height (H) is measured in a direction perpendicular to an extension plane of a lower face of the housing (10) opposite to the access opening (109), and the maximum length (L) and the maximum width are measured in a direction parallel to the extension plane of the lower face.