CONNECTING DEVICE FOR WOUND PROTECTION DRESSING, AND WOUND PROTECTION DRESSING

Abstract

A connecting device for a wound protection dressing, and a wound protection dressing. The connecting device comprises a first tube connector (1) and a second tube connector (3); the first tube connector (1) and the second tube connector (3) are respectively provided with a first through hole (1a) and a second through hole (3a) that run through the respective ends of the first tube connector (1) and the second tube connector (3); a hollow ball head (2) is integrally formed on one end of the first tube connector (1); the inner cavity of the ball head (2) are in communication with the first through hole (1a); at least one via hole (2a) is provided on the ball head (2); a ball shell (4) adapted to the ball head (2) is integrally formed on one end of the second tube connector (3); the inner cavity of the ball shell (4) is in communication with the second through hole (3a); a snap-fit hole (4a) is provided on the ball shell (4); the snap-fit hole (4a) has at least one circular fastening hole (4a1); the ball head (2) is snap-fit in the ball shell (4); the end of the first tube connector (1) close to the ball head (2) is fastened in one of the fastening hole (4a1) of the snap-fit hole (4a). Thus, the connecting device for a wound protection dressing and the wound protection dressing which avoid pressing the skin and wound surface, allow the liquid to smoothly flow out, and facilitate flexible connection of the tube line are provided.

Claims

1. The connecting device for the wound protection dressing is characterized by comprising a first tube joint and a second tube joint, wherein a first through hole penetrating through the two ends of the first tube joint is formed in the first tube joint, and a second through hole penetrating through the two ends of the second tube joint is also formed in the second tube joint; a hollow ball head is integrally formed at one end of the first pipe joint, an inner cavity of the ball head is communicated with a first through hole of the first pipe joint, and at least one through hole is formed in the ball head; a ball shell matched with the ball head is integrally formed at one end of the second pipe joint, an inner cavity of the ball shell is communicated with a second through hole of the second pipe joint, a clamping hole is formed in the ball shell, the clamping hole is provided with at least one round clamping hole, and the ball head is clamped in the ball shell through a clamping hole; the end, close to the ball head, of the first pipe joint is clamped in one of the clamping holes of the clamping hole, so that the first pipe joint and the second pipe joint are clamped together, and the first through hole is communicated with the second through hole.

2. The connection device for a wound protection dressing according to claim 1, wherein the central axis of the at least one clamping hole of the clamping hole is perpendicular to the central axis of the second through hole of the second pipe joint.

3. The connection device for the wound protection dressing according to claim 2, and is characterized: the clamping hole is provided with three circular clamping holes, the central shaft of the three clamping holes is perpendicular to the central axis of the second through hole of the second pipe joint, the center shaft of one clamping hole is perpendicular to the central axis of the second through hole of the second pipe joint, the center shaft of one clamping hole and the center shaft of the second through hole of the second pipe joint are located on the same straight line, and the center axis of one clamping hole and the center axis of the second through hole of the second pipe joint form an included angle of 135 degrees.

4. The connection device for the wound protection dressing according to claim 1 or 2 or 3 is characterized in that at least one third pipe joint is further integrally connected to the ball shell, the third pipe joint is provided with a third through hole penetrating through two ends, and the inner cavity of the ball shell is communicated with a third through hole.

5. The connection device for the wound protection dressing according to claim 4, and is characterized: the second through hole in the second pipe joint comprises a first conical section and a second conical section which are communicated in sequence, a first small-diameter section and a first large-diameter section, the inner diameter of the first small-diameter section is smaller than the inner diameter of the first large-diameter section, the inner diameter of the first small-diameter section is smaller than the inner diameter of the first large-diameter section, the first small-diameter section and the first large-diameter section are in stepped surface transition, the middle of the first large-diameter section protrudes inwards to form a plurality of first clamping blocks uniformly distributed in the circumferential direction, and an interval is reserved between every two adjacent first clamping blocks.

6. The connection device for the wound protection dressing according to claim 5, and is characterized: and further comprises a fourth pipe joint which is in butt joint with the second pipe joint, the fourth pipe joint is internally provided with a fourth through hole penetrating through the two ends, the fourth pipe joint comprises a first conical tube and a first circular tube section which are connected in sequence, the outer wall of the first conical tube is matched with the inner wall of the first conical section of the second through hole, the middle of the first circular tube section protrudes outwards to form a sealing ring and a plurality of second clamping blocks uniformly distributed in the circumferential direction, the sealing ring and the second clamping block are arranged at intervals along the central axis direction of the first circular tube section, the second clamping block is arranged at intervals between the first clamping blocks, and when the first conical tube of the fourth tube joint extends into the second tube joint until the second clamping block penetrates through the interval between the first clamping blocks; the second clamping block is clamped on the inner side of the first clamping block; when the first clamping block is clamped between the second clamping block and the sealing ring, the circumferential side wall of the sealing ring is tightly matched and sealed with the inner wall of the first large-diameter section of the second through hole.

7. The connection device for the wound protection dressing according to claim 6, characterized in that the first through hole of the first pipe joint is conical, the small head end of the first through hole is communicated with the ball head, and the inner wall of one end, far away from the ball head, of the first through hole protrudes inwards to form a third clamping block uniformly distributed in the circumferential direction.

8. The wound protection dressing is characterized by comprising the connecting device for the wound protection dressing according to claim 1, further comprises flushing sponge and drainage sponge, wherein a drainage pipe is inserted into the drainage sponge, the drainage pipe is connected with one end, far away from the ball head, of the first pipe joint, the end, far away from the ball shell, of the second pipe joint is exposed out of the wound protection dressing, and a flushing pipe is inserted into the flushing sponge.

9. The wound protection dressing according to claim 8, and is characterized: and further comprises a fifth pipe joint, and the fifth pipe joint comprises two inner connectors which are located on the same straight line in the center line, the two inner connectors are conical, the inner joint is connected with the flushing pipe, the fifth pipe joint further comprises an outer joint which is perpendicular to the center line of the inner joint, and the center line of the outer joint is perpendicular to the center line of the inner joint, the outer end of the outer joint is exposed out of the wound protection dressing, the inner hole of the outer joint comprises a second conical section, a second small diameter section and a second large diameter section which are communicated in sequence, the small head end of the second conical section is communicated with the inner hole opening of the two inner connectors, the inner diameter of the second conical section large end section is equal to the inner diameter of the second small diameter section, the inner diameter of the second small diameter section is smaller than the inner diameter of the second large diameter section, and the second small diameter section and the second large diameter section are in stepped surface transition.

10. The wound protection dressing according to claim 9, wherein the sixth pipe joint comprises a second conical pipe and a second circular pipe section; the outer wall of the second conical pipe is matched with the inner wall of the second conical section of the inner hole of the outer joint of the fifth pipe joint; a clamping ring matched with the step surface of the inner hole of the outer joint of the fifth pipe joint is formed in the circumferential direction of the outer wall of the second circular pipe section.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or in the prior art, the accompanying drawings required for describing the specific embodiments or the prior art are briefly introduced below. In all drawings, like elements or parts are generally identified by like reference numerals. In the drawings, elements or parts are not necessarily drawn in an actual scale.

[0035] FIG. 1 is a schematic structural diagram of a first embodiment.

[0036] FIG. 2 is a cross-sectional view of the-an of FIG. 1.

[0037] FIG. 3 is a structural schematic view of a second tube joint and a ball shell.

[0038] FIG. 4 is an use state of one embodiment of the present invention.

[0039] FIG. 5 is another use state of the first embodiment.

[0040] FIG. 6 is a schematic structural diagram of a second embodiment.

[0041] FIG. 7 shows one use state of the second embodiment of the present invention.

[0042] FIG. 8 is a schematic structural diagram of a third embodiment.

[0043] FIG. 9 is a schematic view of the internal structure of a fifth pipe joint and a sixth pipe joint.

[0044] FIG. 10 is a schematic view of the internal structure of a fifth tube joint.

[0045] Reference numerals designate corresponding parts throughout the several views: a first tube joint 1, a first through hole 1a, a third clamping block 1b, a ball head 2, a through hole 2a, a second pipe joint 3, a second through hole 3a, a first conical section 3a1, a first small-diameter section 3a2, a first large-diameter section 3a3, a first clamping block 3b, a spherical shell 4, a clamping hole 4a, a clamping hole 4a1, a fourth pipe joint 5, a second clamping block 5a, a sealing ring 5b, a fourth through hole 5c, a first conical tube 511, a first circular tube section 512, a fifth tube joint 6, an inner joint 611, an outer joint 612, a second conical section 612a, a second small diameter section 612b, a second large diameter section 612c, a sixth tube joint 7, a second conical tube 711, a second circular tube section 712, a clamping ring 713, a drainage sponge 8, a flushing sponge 9, a drainage tube 10, a flushing tube 11 and a third tube joint 12.

DETAILED DESCRIPTION OF THE INVENTION

[0046] The embodiments of the technical solutions of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only used for more clearly illustrating the technical solutions of the present invention, and therefore are only used as examples, but cannot limit the scope of protection of the present invention.

[0047] In the description of the application, it is to be understood that, the term center, up and down, before and after, left, right and vertical, level, top, bottom inside, outside, axis, radial and to etc. the orientation or position relationship is based on the orientation or positional relationship shown in the drawings, but is intended to facilitate describing the invention and the simplified description, rather than indicating or implying that the device or element is required to have a specific orientation, and is constructed and operated in a specific orientation so as not to understand the limitation of the present invention.

[0048] Furthermore, the terms first, second, and the like are used for purposes of description only and are not to be construed to indicate or imply a relative importance or to implicitly indicate the number of technical features indicated. In the description of the present invention, the meanings of multiple are more than two, unless explicitly stated otherwise.

[0049] In the present application, the terms installed, connected, connected, fixed, and the like should be construed broadly, for example, may be fixedly connected, or may be detachably connected, or integrated; the terms installed, connected, connected, fixed and the like can be directly connected or indirectly connected through an intermediate medium, and can be in communication between the two elements or an interaction relationship between the two elements. For a person of ordinary skill in the art, the specific meaning of the terms in the invention can be understood according to specific situations.

First Embodiment

[0050] As shown in FIG. 1, as shown in FIG. 2 and FIG. 3, the embodiment of the invention provides a connecting device for a wound dressing, a first tube joint 1 and a second tube joint 3, a first through hole 1a penetrating through the two ends of the first tube joint 1 is formed in the first tube joint 1, a second through hole 3a penetrating through the two ends of the second tube joint 3 is also formed in the second tube joint 3, a hollow ball head 2 is integrally formed at one end of the first tube joint 1, and an inner cavity of the ball head 2 is communicated with the first through hole 1a of the first tube joint 1. In the embodiment, the first tube joint 1 and the ball head 2 are integrally formed by medical silica gel or medical rubber. At least one through hole 2a is formed in the ball head 2, the number and the position of the through hole 2a are not limited, and a person skilled in the art can ensure that the first through hole 1a and the second through hole 3a can be communicated according to actual conditions. In the embodiment, the number of the through holes 2a is four, and the total of the four through holes 2a and the inner hole openings of the first through hole 1a of the first pipe connector 1 are distributed in a front-and-back manner on the ball head 2. The first through hole 1a of the first tube joint 1 is conical, the small head end of the first through hole 1a is communicated with the ball head 2, the inner wall of one end, far away from the ball head 2, of the first through hole 1a protrudes inwards to form a third clamping block 1b which is uniformly distributed in the circumferential direction, and the third clamping block 1b is used for quickly and reliably abutting the drainage tube in the wound protection dressing.

[0051] As shown in FIGS. 1, 2 and 3, a ball shell 4 matched with the ball head 2 is integrally formed at one end of the second tube joint 3, and an inner cavity of the ball shell 4 is communicated with a second through hole 3a of the second tube joint 3. In this embodiment, the second tube joint 3 and the ball shell 4 are preferably integrally formed by medical silica gel or medical rubber. A clamping hole 4a is formed in the ball shell 4, the clamping hole 4a is provided with at least one round clamping hole 4a1, the ball head 2 is clamped in the ball shell 4 through the clamping hole 4a, the end, close to the ball head 2, of the first tube joint 1 is clamped in one clamping hole 4a1 of the clamping hole 4a, the first tube joint 1 and the second tube joint 3 are clamped together, and the first through hole 1a and the second through hole 3a pass through the ball head 2 and the ball shell 4 is communicated with the through hole 2a in the ball head 2. The outer diameter of one end, close to the ball head 2, of the first pipe joint 1 is smaller than the outer diameter of the ball head 2, and the outer diameter of the end, close to the ball shell 4, of the second pipe joint 3 is smaller than the outer diameter of the ball shell 4.

[0052] As shown in FIGS. 1, 2 and 3, the central axis of at least one clamping hole 4a1 of the clamping hole 4a is perpendicular to the central axis of the second through hole 3a of the second tube joint 3. Preferably, the clamping hole 4a is provided with three circular clamping holes 4a1 which are in series connection, and the central axis of the three clamping holes 4a1 and the central axis of the second through hole 3a of the second pipe joint 3 are located on the same plane. In addition, the central axis of one of the clamping holes 4a1 is perpendicular to the central axis of the second through hole 3a of the second pipe joint 3, the center axis of one clamping hole 4a1 is located on the same straight line with the center axis of the second through hole 3a of the second pipe joint 3, and the center axis of the remaining clamping hole 4a1 and the center axis of the second through hole 3a of the second pipe joint 3 form an included angle of 135 degrees. As shown in FIG. 4, when the end, close to the ball head 2, of the first tube joint 1 is clamped in the clamping hole 4a1 in the same straight line as the center shaft of the first tube joint 1 and the center shaft of the second through hole 3a, the drainage tube 10 is guided out of the drainage sponge 8 of the wound protection dressing in a straight line as shown in FIG. 5, when the end, close to the ball head 2, of the first tube connector 1 is clamped in the clamping hole 4a1 with the included angle of 135 degrees with the central axis of the central shaft and the central axis of the second through hole 3a, the drainage tube 10 is led out along the 45-degree included angle between the drainage tube 10 and the wound protection dressing.

[0053] As shown in FIG. 2 and FIG. 3, the second through hole 3a in the second pipe joint 3 comprises a first conical section 3a1 which is communicated in sequence, the small head end of the first conical section 3a1 is communicated with the ball shell 4, the inner diameter of the large end of the first conical section 3a1 is the same as the inner diameter of the first small diameter section 3a2, the inner diameter of the first small diameter section 3a2 is smaller than the inner diameter of the first large diameter section 3a3, and the first small diameter section 3a2 and the first large diameter section 3a3 are in stepped surface transition. The middle of the first large-diameter section 3a3 protrudes inwards to form a plurality of first clamping blocks 3b which are uniformly distributed in the circumferential direction, and an interval is reserved between every two adjacent first clamping blocks 3b an annular pasting part (not shown) is formed in the peripheral direction of the outer end of the second pipe joint 3 when the central line of the second pipe joint 3 is arranged in the direction perpendicular to the upper surface of the wound protection dressing, the second pipe joint 3 is buried in the drainage sponge 8 of the wound protection dressing, the upper end opening of the second pipe joint 3 is flush with the upper surface of the wound protection dressing, and the top surface of the annular pasting part is flush with the upper surface of the wound protection dressing. In this way, the pasting film is adhered and fixed with the annular pasting part of the second pipe joint 3 to ensure that the sealing is not breathable and does not leak liquid; the outer connecting pipe only needs to pierce the pasting film just facing the upper hole of the second pipe joint 3, so that the pipeline connection can be carried out.

[0054] As shown in FIG. 1 and FIG. 2, a fourth pipe joint 5 that interfaces with the second pipe joint 3 is further provided, and the fourth pipe joint 5 has a fourth through hole 5c penetrating both ends. The fourth pipe joint 5 comprises a first conical tube 511 and a first circular tube section 512 which are connected in sequence, the outer wall of the first conical tube 511 is matched with the inner wall of the first conical section 3a1 of the second through hole 3a, and the small head end of the first conical tube 511 is in a crescent shape and is convenient for puncturing the pasting membrane. The middle of the first circular tube section 512 protrudes outwards to form a sealing ring 5b and a plurality of second clamping blocks 5a which are uniformly distributed in the circumferential direction; the sealing ring 5b and the second clamping block 5a are arranged at intervals along the central axis direction of the first circular tube section 512; the second clamping block 5a is arranged at an interval between the first clamping block 3b, when the first conical tube 511 of the fourth tube joint 5 extends into the second tube joint 3 until the second clamping block 5a passes through the gap between the first clamping block 3b, so that the second clamping block 5a is clamped on the inner side of the first clamping block 3b; when the first clamping block 3b is clamped between the second clamping block 5a and the sealing ring 5b, the circumferential side wall of the sealing ring 5b is tightly matched and sealed with the inner wall of the first large-diameter section 3a3 of the second through hole 3a.

Embodiment 2

[0055] As shown in FIG. 6, at least one third pipe joint 12 is further integrally connected to the ball shell 4, the third pipe joint 12 is provided with a third through hole (not shown) penetrating through the two ends, and the inner cavity of the ball shell 4 is communicated with the third through hole. Preferably, the structure of the third pipe joint 12 is the same as the structure of the first pipe joint 1, the center line of the third pipe joint 12 third through hole is located on the same straight line with the center line of the first through hole 1a of the first pipe joint 1, and the center line of the second pipe joint 3 second through hole 3a is perpendicular to the center line of the first through hole 1a and the center line of the third through hole. Other structures of the embodiment are the same as that of the first embodiment, and are not described in detail herein. As shown in FIG. 7, the third tube connector 12 can be used for being in butt joint with the drainage tube 10 in the adjacent wound protection dressing drainage sponge 8, so that the plurality of wound protection dressing drainage tubes 10 are spliced.

Embodiment 3

[0056] As shown in FIG. 8, the embodiment provides a wound protection dressing, comprising the connecting device for wound protection dressing according to the first embodiment or the second embodiment, further comprising a rinsing sponge 9 and a drainage sponge 8, a drainage tube 10 is inserted into the drainage sponge 8, the drainage tube 10 is connected with one end, far away from the ball head 2, of the first tube joint 1, the end, far away from the ball shell 4, of the second tube joint 3 is exposed out of the wound protection dressing, and the fourth tube joint 5 is located outside the wound protection dressing. A flushing pipe 11 is inserted into the flushing sponge 9.

[0057] As shown in FIG. 8, FIG. 9 and FIG. 10, the embodiment further comprises a fifth pipe joint 6, the fifth pipe joint 6 comprises two inner joints 611 located on the same straight line in the center line, each inner joint 611 is in a conical shape with an inner small outer part, and the inner joint 611 is connected with the washing pipe 11. The fifth tube joint 6 further comprises an outer joint 612, wherein the center line of the outer joint 612 is perpendicular to the center line of the inner joint 611, and the outer end of the outer joint 612 is exposed out of the wound protection dressing in order to facilitate sealing and pasting of the pasting film, the outer end of the outer joint 612 extends in the circumferential direction to form an annular pasting ring (not shown) the inner hole of the outer joint 612 comprises a second conical section 612a which is communicated in sequence, a second small diameter section 612b and a second large diameter section 612c, the inner diameter of the second conical section 612a is equal to the inner diameter of the second small diameter section 612b, the inner diameter of the second small diameter section 612b is smaller than the inner diameter of the second large diameter section 612c, and the second small diameter section 612b and the second large diameter section 612c are in step surface transition.

[0058] As shown in FIGS. 8 and 9, the embodiment further comprises a sixth tube joint 7 which is in butt joint with the outer joint 612 of the fifth tube joint 6, and the sixth tube joint 7 is located outside the wound protection dressing. The sixth pipe joint 7 comprises a second conical tube 711 and a second circular tube section 712, the outer wall of the second conical tube 711 is matched with the inner wall of the second conical section 612a of the inner hole of the outer joint 612 of the fifth tube joint 6, and the small head end of the second conical tube 711 is obliquely sharpened to facilitate puncturing of the pasting membrane. A clamping ring 713 which is matched with the step surface of the inner hole of the outer joint 612 of the fifth pipe joint 6 is formed in the circumferential direction of the outer wall of the second round pipe section 712.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalent replacements can be made to some or all of the technical features thereof, and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.