TWI674122B - Infusion equipment - Google Patents

Abstract

An infusion device includes a clamp body, a tube base, and a buckle device. The clamp body has a first end and a second end along a first direction, and the clamp body has a first perforation and extends along the first direction. The clamp body is provided with a pair of first bumps, which are located on opposite sides of the second end along the second direction. The socket has a second perforation. The clamp body passes through the second through hole and can slide relative to the socket. The socket has a pair of grooves located on opposite sides of the socket along the second direction. The buckle device includes a body and a pair of hook structures. The body has a mounting hole to allow the clamp body and the socket to be inserted in a first direction. The hook structure is disposed on opposite sides of the mounting hole. The hook structure includes a hook portion and a second projection. The hook portion is configured to be engaged with the groove. The shortest distance between the second projection is less than the first projection. The longest distance between them.

Description

Infusion equipment

The invention relates to an infusion device.

In a society that is aging and longevity, the demand for medical equipment is increasing day by day. Therefore, the quality of medical equipment has also attracted much attention. The reliability and safety of medical equipment is undoubtedly an important issue in the industry.

In general, the use of infusion equipment to deliver medical fluids to patients is a common practice in medical procedures. However, during the operation of the infusion pump, every step must be handled with great care to prevent unexpected fluid from flowing into the patient's body.

It is an object of the present invention to provide an infusion device, which can make the process of attaching or detaching an infusion tube to or from a snapping device more stable.

According to an embodiment of the present invention, an infusion device includes a clamp body, a tube holder, and a buckle device. The clamp body has first and second ends opposite to each other in the first direction. The clamp body has a first perforation, and the first perforation extends in the first direction. The fixture body is provided with a pair of first bumps along the second side To the opposite sides of the second end, the second direction and the first direction are perpendicular to each other. The tube base has a second perforation. The clamp body passes through the second perforation and can slide relative to the tube base in the first direction. The tube base further has a pair of grooves located on opposite sides of the tube base along the second direction. The buckle device includes a body and a pair of hook structures. The body has a mounting hole, and the mounting hole is configured to allow the clamp body and the socket to be inserted in the first direction. The hook structure is disposed on the body and is located on two opposite sides of the mounting hole in the second direction. The hook structure includes a hook portion and a second projection. The hook portion is configured to be engaged in the groove and between the second projections. The shortest distance is less than the longest distance between the first bumps.

In one or more embodiments of the present invention, the above-mentioned first perforation includes a first sub-perforation and a second sub-perforation, the first sub-perforation and the second sub-perforation are aligned in a first direction, and the first sub-perforation ratio The second sub-perforation is close to the first end, and the first width of the first sub-perforation in the second direction is larger than the second width of the second sub-perforation in the second direction.

In one or more embodiments of the present invention, the above-mentioned pipe holder has a third perforation, and the third width of the third perforation in the second direction is larger than the second width. Switch between the position corresponding to the first sub-perforation and the position corresponding to the second sub-perforation.

In one or more embodiments of the present invention, the first width is the same as the third width.

In one or more embodiments of the present invention, the first width of the first sub-perforation is tapered toward the second sub-perforation.

In one or more embodiments of the present invention, the first bumps are symmetrical to each other.

In one or more embodiments of the present invention, each of the hook structures described above further has a pivoting portion. The pivot portion is pivotally connected to the body, and the second projection is located between the corresponding pivot portion and the corresponding hook portion.

In one or more embodiments of the present invention, the aforementioned buckle device further includes a pair of elastic elements, and the elastic elements elastically connect the corresponding hook structure and the body respectively.

In one or more embodiments of the present invention, the above-mentioned second bumps each have a curved surface, and the curved surfaces are opposite to each other.

In one or more embodiments of the present invention, the first bumps are trapezoidal.

The above embodiments of the present invention have at least the following advantages:

(1) Since the clamp body and the first projection are symmetrical, when the user inserts the clamp body with the first projection into the locking device or pulls the clamp body with the first projection from the clamping device, the first The forces exerted on the fixture body by the two bumps facing up to the first bumps are also symmetrical. In this way, the process of attaching or detaching the infusion tube to the buckle device becomes more stable, and it can also reduce the structure of the clamp body, the first projection, and the hook due to uneven force. Risk of damage.

(2) Because the infusion tube has been squashed into the second sub-perforation of the clamp body before the infusion tube is pulled away from the buckle device, the medical fluid can be prevented from circulating in the infusion tube, and the above operation is mechanically operated. The method is carried out, and the reliability and safety of its operation are effectively guaranteed.

100‧‧‧ infusion equipment

110‧‧‧fixture body

111‧‧‧ the first end

112‧‧‧ the second end

120‧‧‧ the first bump

130‧‧‧ tube socket

140‧‧‧clip device

141‧‧‧body

145‧‧‧Hook structure

146‧‧‧Hook Department

147‧‧‧Second bump

148‧‧‧ Pivot

149‧‧‧arc surface

200‧‧‧ infusion tube

DS‧‧‧ shortest distance

DL‧‧‧ longest distance

D1‧‧‧ first direction

D2‧‧‧ Second direction

G‧‧‧Groove

H‧‧‧Mounting hole

H1‧‧‧First perforation

H11‧‧‧The first child perforation

H12‧‧‧Second Child Piercing

H2‧‧‧second perforation

H3‧‧‧ third perforation

W1‧‧‧first width

W2‧‧‧Second width

W3‧‧‧ Third width

FIG. 1 is a three-dimensional assembly view showing a clamp body and a pipe base according to an embodiment of the present invention.

FIG. 2 is a partial cross-sectional view showing the fixture body and the tube seat insertion and buckling device of FIG. 1, wherein the first protrusion is directed toward the second protrusion.

FIG. 3 is a partial cross-sectional view showing the fixture body and the tube seat inserting and locking device of FIG. 1, wherein the hook portion of the hook structure is engaged in the groove of the tube seat.

FIG. 4 is a partial cross-sectional view showing the clamp body and the tube seat of FIG. 1 pulled out from the buckling device, wherein the third perforation of the tube seat corresponds to the second sub-perforation of the clamp body.

FIG. 5 is a partial cross-sectional view showing the clamp body and the pipe seat of FIG. 1 pulled out from the buckling device, where the clamp body and the pipe seat have left the buckling device.

In the following, a plurality of embodiments of the present invention will be disclosed graphically. For the sake of clarity, many practical details will be described in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the present invention, these practical details are unnecessary. In addition, in order to simplify the drawings, some conventional structures and components will be shown in the drawings in a simple and schematic manner. And if implementation is possible, the features of different embodiments can be applied interactively.

Please refer to FIG. 1, which is a three-dimensional assembly view showing a clamp body 110 and a pipe base 130 according to an embodiment of the present invention. In this embodiment, as shown in FIG. 1, the holder body 110 and the tube holder 130 are adapted to allow the infusion tube 200 to pass through, and the tube holder 130 and the infusion tube 200 can slide relative to the holder body 110 along the first direction D1.

Please refer to FIG. 2, which is a partial cross-sectional view illustrating the insertion of the fixture body 110 and the tube base 130 into the latching device 140 in the first figure, in which the first protrusion 120 faces the second protrusion 147. In this embodiment, as shown in FIGS. 1 and 2, the infusion device 100 includes a clamp body 110, a tube holder 130, and a latching device 140. The clamp body 110 has a first end 111 and a second end 112 opposite to each other in the first direction D1, and the clamp body 110 has a first perforation H1 that extends in the first direction D1 and is suitable for the infusion tube 200 to pass through . The jig main body 110 is provided with a first bump 120. The first bump 120 is located on two opposite sides of the second end 112 along the second direction D2, and the second direction D2 and the first direction D1 are substantially perpendicular to each other. The socket 130 has a second hole H2, and the clamp body 110 passes through the second hole H2 and can slide relative to the socket 130 in the first direction D1 as described above. In other words, the tube holder 130 and the infusion tube 200 can slide relative to the clamp body 110 in the first direction D1, and the infusion tube 200 can slide in the first perforation H1 relative to the clamp body 110 in the first direction D1. The socket 130 further has a pair of grooves G, and the grooves G are located on opposite sides of the socket 130 along the second direction D2. In this embodiment, the groove G of the socket 130 can further communicate with the second through hole H2, but the invention is not limited thereto.

Furthermore, the buckle device 140 includes a body 141 and a pair of hook structures 145. The body 141 has a mounting hole H, and the mounting hole H is configured to allow the clamp body 110 and the socket 130 to be inserted into the body 141 in the first direction D1. The hook structure 145 is disposed on the body 141 and is located on two opposite sides of the mounting hole H in the second direction D2, that is, the mounting hole H is located between the hook structures 145. The hook structures 145 each include a hook portion 146 and a second projection 147. The hook portion 146 is configured to be engaged in the groove G, and the shortest distance DS between the second projections 147 is shorter than the distance between the first projections 120. The longest distance DL.

Specifically, as shown in FIG. 2, the hook structure 145 further includes a pivoting portion 148. The pivotal portion 148 is pivotally connected to the body 141, and the second projection 147 is located between the corresponding pivotal portion 148 and the corresponding hook portion 146. As described above, the shortest distance DS between the second bumps 147 is less than the longest distance DL between the first bumps 120. Therefore, when the clamp body 110 and the socket 130 are inserted into the mounting holes of the body 141 along the first direction D1 At time H, the first protrusion 120 faces the second protrusion 147 of the hook structure 145, and rotates the hook structure 145 relative to the body 141 about the pivot portion 148, so that the first protrusion 120 passes through the second protrusion 147. And inserted into the body 141.

Further, as shown in FIG. 2, the first bump 120 is trapezoidal. Therefore, when the first bump 120 is pressed against the second bump 147 of the hook structure 145, the first bump 120 is formed by the trapezoid. The inclined surface helps the first bump 120 to pass through the second bump 147. In addition, the second protrusion 147 of the hook structure 145 has an arc surface 149, and the arc surfaces 149 are opposite to each other. Therefore, when the hook structure 145 rotates relative to the body 141 about the pivot portion 148, the arc surface 149 of the second protrusion 147 It can smoothly slide with the inclined surface formed by the trapezoid of the first bump 120.

In addition, in this embodiment, as shown in FIG. 2, the buckle device 140 further includes a pair of elastic elements 143, and the elastic elements 143 elastically connect the corresponding hook structure 145 and the body 141 respectively. Therefore, when the hook structure 145 rotates relative to the body 141 about the pivoting portion 148, so that the first protrusion 120 is inserted into the body 141 through the second protrusion 147, the elastic element 143 can reset the hook structure 145. In practical applications, the elastic element 143 may be a spring or a torsion spring, but the invention is not limited thereto.

Structurally, the first perforation H1 includes a first sub-perforation H11 and a second sub-perforation H12 which are connected. The first sub-perforation H11 and the second sub-perforation H12 are connected. The perforations H12 are arranged in the first direction D1. The first sub-perforation H11 is closer to the first end 111 than the second sub-perforation H12. The first width W1 of the first sub-perforation H11 in the second direction D2 is larger than the second sub-perforation H12 along the second direction. The second width W2 in the direction D2.

Moreover, as shown in FIG. 2, the tube holder 130 has a third perforation H3, the third perforation H3 is suitable for the infusion tube 200 to pass through, and the third perforation H3 of the tube holder 130 is along the third width W3 of the second direction D2. The second width W2 is larger than the second sub-perforation H12. In practical applications, the first width W1 of the first sub-perforation H11 may be the same as the third width W3 of the third perforation H3, but the present invention is not limited thereto.

When the user passes the infusion tube 200 through the tube base 130 and the clamp body 110, the infusion tube 200 passes through the third hole H3 of the tube base 130 and the first sub-hole H11 of the clamp body 110. When the tube holder 130 slides relative to the clamp body 110, the third perforation H3 can be switched between the position corresponding to the first sub-perforation H11 and the position corresponding to the second sub-perforation H12, that is, the infusion tube 200 can follow the third perforation H3. Switch between the first sub-perforation H11 and the second sub-perforation H12. Furthermore, as shown in FIG. 2, the first width W1 of the first sub-perforation H11 is tapered toward the second sub-perforation H12, which helps to increase the infusion tube 200 between the first sub-perforation H11 and the second sub-perforation H12. Smoothness when switching.

Please refer to FIG. 3, which is a partial cross-sectional view illustrating the insertion of the fixture body 110 and the tube base 130 into the latching device 140 in FIG. 1, in which the hook portion 146 of the hook structure 145 is engaged with the groove G of the tube base 130. Inside. As shown in FIG. 3, after the first protrusion 120 passes the second protrusion 147 of the hook structure 145, the clamp body 110 and the tube seat 130 together with the infusion tube 200 are continuously inserted into the mounting holes of the body 141. Within H. Similarly, when the socket 130 is pushed to the hook portion 146, the hook structure 145 is pushed by the socket 130 to rotate about the pivot portion 148 relative to the body 141 so that the hook portion 146 of the hook structure 145 can pass over the socket 130. The edge is engaged with the groove G of the socket 130. In this way, the holder 130 is fixed relative to the body 141 of the locking device 140, that is, the infusion tube 200 is also fixed relative to the body 141 of the locking device 140, and the infusion tube 200 passing through the holder 130 is maintained in the holder body 110. The first child perforates inside H11. At this time, the infusion tube 200 is suitable for circulating a medical fluid (not shown) therein.

In practical applications, the first end 111 of the clamp body 110 is a clamping portion, so that a user can clamp with the fingers and insert the clamp body 110 into the mounting hole H of the body 141. Specifically, the size of the first end 111 of the clamping portion in the second direction D2 is larger than that of the second perforation H2. Therefore, the socket 130 cannot pass through the first end 111 of the clamp body 110 to the clamp body 110. Separation. In contrast, when the user grips the first end 111 serving as the gripping part with his fingers and inserts the clamp body 110 into the mounting hole H of the body 141, the tube base 130 is also pushed by the first end 111 serving as the gripping part. Then, it moves into the mounting hole H so that the tube base 130 can abut against the hook portion 146 of the hook structure 145.

Please refer to FIG. 4, which is a partial cross-sectional view showing the fixture body 110 and the tube base 130 drawn from the buckle device 140 in FIG. 1, where the third hole H3 of the tube base 130 corresponds to the second sub-body of the fixture body 110. Perforated H12. As shown in FIG. 4, since the hook portion 146 of the hook structure 145 is engaged with the groove G of the socket 130, the socket 130 is fixed relative to the body 141 of the latching device 140. When the clamp main body 110 is pulled out from the latching device 140 while holding the first end 111 as a clamping portion, the clamp main body 110 is opposed to the base 130 Sliding makes the third perforation H3 of the holder 130 move to the second sub-perforation H12 of the holder body 110, and causes the infusion tube 200 passing through the holder 130 to switch from the first sub-perforation H11 of the holder body 110 to the second sub-perforation H12.

As described above, the first width W1 of the first sub-perforation H11 is larger than the second width W2 of the second sub-perforation H12. Therefore, when the infusion tube 200 is switched from the first sub-perforation H11 to the second sub-perforation H12, the infusion tube 200 The cross-section of the tube will be squashed, and the inner walls of the infusion tube 200 are attached to each other, so that the medical fluid can no longer flow through the infusion tube 200.

In addition, after the infusion tube 200 is switched from the first sub-perforation H11 to the second sub-perforation H12, the first projection 120 also faces the body 141 and faces the second projection 147 of the hook structure 145, so that the hook structure 145 The pivoting portion 148 is rotated relative to the body 141, so that the hook portion 146 engaged with the groove G is detached from the base 130. In this way, the socket 130 is no longer fixed by the hook portion 146 and can leave the buckle device 140 together with the clamp body 110.

Please refer to FIG. 5, which is a partial cross-sectional view showing the clamp body 110 and the tube base 130 drawn from the latching device 140 in FIG. 1, where the clamp body 110 and the tube base 130 have left the latching device 140. As shown in FIG. 5, after the tube holder 130 and the clamp body 110 leave the buckle device 140, the infusion tube 200 is maintained in the second sub-hole H12 of the clamp body 110, that is, when the infusion tube 200 leaves the buckle device After 140, the infusion tube 200 is maintained in the second sub-perforation H12 and is in a flattened state. Therefore, the medical fluid will not flow through the infusion tube 200.

As shown in FIGS. 2 to 5, the first bumps 120 are symmetrical to each other. In other words, the clamp body 110 and the first bump 120 have a symmetrical structure. That is That is, when the user inserts the clamp main body 110 together with the first projection 120 into the locking device 140 or pulls the clamp main body 110 together with the first projection 120 from the locking device 140, the second projection 147 is pushed upward toward the first The force applied by the bump 120 to the clamp body 110 is also symmetrical. In this way, the process of inserting the clamp body 110 and the first protrusion 120 into the locking device 140 or pulling the clamp body 110 and the first protrusion 120 from the locking device 140 can become more stable, that is, infusion The process of mounting the tube 200 to the snapping device 140 or detaching the infusion tube 200 from the snapping device 140 also becomes more stable. Furthermore, the risk of damage to the clamp body 110, the first bump 120, and the hook structure 145 due to uneven force can also be reduced.

Further, before the infusion tube 200 is detached from the buckling device 140, the infusion tube 200 has been squashed into the second sub-hole H12 of the clamp body 110, thereby preventing the medical fluid from flowing in the infusion tube 200. The operation is performed by mechanical operation, and the reliability and safety of its operation are effectively guaranteed.

In summary, the technical solution disclosed in the foregoing embodiments of the present invention has at least the following advantages:

(1) Since the clamp body and the first projection are symmetrical, when the user inserts the clamp body with the first projection into the locking device or pulls the clamp body with the first projection from the clamping device, the first The forces exerted on the fixture body by the two bumps facing up to the first bumps are also symmetrical. In this way, the process of attaching or detaching the infusion tube to the buckle device becomes more stable, and it can also reduce the structure of the clamp body, the first projection, and the hook due to uneven force. Risk of damage.

(2) Because the infusion tube has been squashed into the second sub-perforation of the clamp body before the infusion tube is pulled away from the buckle device, the medical fluid can be prevented from circulating in the infusion tube. The method is carried out, and the reliability and safety of its operation are effectively guaranteed.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various modifications and retouches without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be determined by the scope of the attached patent application.

Claims (10)

An infusion device includes: a clamp body having a first end and a second end opposite in a first direction, the clamp body has a first perforation, the first perforation extends along the first direction, and includes A connected first sub-perforation and a second sub-perforation are arranged along the first direction, and a first width of the first sub-perforation along a second direction is greater than the A second width of the second sub-perforation along the second direction, the clamp body is provided with a pair of first bumps, located on opposite sides of the second end along the second direction, the second direction and the first direction are mutually Vertical; a tube base with a second perforation and a third perforation, the clamp body passes through the second perforation and can slide relative to the tube base in the first direction, when the tube base slides relative to the clamp body, the The third perforation can be switched between a position corresponding to the first sub-perforation and a position corresponding to the second sub-perforation. The tube base further has a pair of grooves located on opposite sides of the tube base along the second direction; And a snap device, including: The body has a mounting hole configured to allow the clamp body and the tube base to be inserted in the first direction; and a pair of hook structures are provided in the body and located at the mounting hole along the second direction On the opposite sides, each of the hook structures includes a hook portion and a second protrusion, the hook portions are configured to be engaged in the grooves, and the shortest distance between the second protrusions Less than the longest distance between the first bumps. The infusion device of claim 1, wherein the first sub-perforation is closer to the first end than the second sub-perforation. The infusion device according to claim 2, wherein a third width of the third perforation along the second direction is greater than the second width. The infusion device of claim 3, wherein the first width is the same as the third width. The infusion device of claim 2, wherein the first width of the first sub-perforation tapers toward the second sub-perforation. The infusion device according to claim 1, wherein the first bumps are symmetrical to each other. The infusion device according to claim 1, wherein each of the hook structures further has a pivot portion, which is pivotally connected to the body, and the second protrusion is located between the corresponding pivot portion and the corresponding hook portion . The infusion device according to claim 1, wherein the locking device further includes a pair of elastic elements, respectively elastically connecting the corresponding hook structure and the body. The infusion device according to claim 1, wherein the second bumps each have an arc surface, and the arc surfaces are opposite to each other. The infusion device according to claim 1, wherein the first protrusions are trapezoidal.