TWI674120B - Infusion equipment - Google Patents

Abstract

An infusion device includes a clamp, a body, a pressing member, a shell, and a handle. The clamp has perforations and is configured to allow the infusion tube to penetrate therethrough. The clamp further has a retaining wall, the retaining wall is adjacent to the perforation, the retaining wall has a pressing surface, and the pressing surface faces the infusion tube. The body has a mounting hole configured to allow the clamp to be at least partially inserted, and the body further has a second buckle portion configured to be fixed to the first buckle portion with each other. The pressing member is pivotally connected to the body and is configured to press the infusion tube toward the pressing surface. The casing is detachably disposed on the body. The handle is pivotally connected to the casing, and has a protruding block, which faces at least partly to the body. When the handle is rotated toward the body around the axis with respect to the housing, the projection faces the pressing member to keep the pressing member away from the pressing surface, so that the infusion tube is no longer pressed by the pressing member and is closed.

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 fluid medicaments to patients is a common practice in medical procedures. However, during the operation of the infusion pump, each step must be handled with great care to prevent unexpected fluids and flows from flowing into the patient's body.

One of the objectives of the present invention is to provide an infusion device, which can effectively avoid the unexpected flow of fluid medicament in the infusion tube.

According to an embodiment of the present invention, an infusion device includes a clamp, a body, a pressing member, a housing, and a handle. The clamp has perforations and is configured to allow the infusion tube to penetrate therethrough. The clamp further has a retaining wall, the retaining wall is adjacent to the perforation, the retaining wall has a pressing surface, and the pressing surface faces the infusion tube. The body has a mounting hole configured to allow the clamp to be inserted at least partially, and the body is more It has a second latching portion and is arranged to be fixed to the first latching portion. The pressing member is pivotally connected to the body and is configured to press the infusion tube toward the pressing surface. The casing is detachably disposed on the body. The handle is pivotally connected to the casing, and has a protruding block, which faces at least partly to the body. When the handle is rotated toward the body around the axis with respect to the housing, the projection faces the pressing member to keep the pressing member away from the pressing surface, so that the infusion tube is no longer pressed by the pressing member and is closed.

In one or more embodiments of the present invention, the above-mentioned infusion device further includes an elastic element. The elastic element is elastically connected with the pressing member and the body. Before the protrusions are pressed against the pressing member, the pressing member elastically presses toward the pressing surface.

In one or more embodiments of the present invention, the elastic element is a torsion spring.

In one or more embodiments of the present invention, the above-mentioned body has an opening and a position corresponding to the pressing member. When the handle is rotated relative to the housing, the protrusion passes through the opening and faces the pressing member.

In one or more embodiments of the present invention, the above handle further has at least a first guide portion, and the body has at least a second guide portion. When the handle rotates relative to the housing, the protrusion faces forward of the pressing member. The first guide portion rotates with the handle and engages with the second guide portion to fix the relative position of the casing and the body.

In one or more embodiments of the present invention, the first guide portion includes an arc-shaped guide groove, and the second guide portion includes a guide post. When the arc-shaped guide groove rotates with the handle, the guide post is clamped. It fits inside the arc-shaped guide groove.

In one or more embodiments of the present invention, the number of the above-mentioned first guide portions is a pair, which are respectively located at opposite ends of the handle along the axis, and the second The number of guides is also a pair.

In one or more embodiments of the present invention, when the above-mentioned projection faces the pressing member, the handle fits the housing.

In one or more embodiments of the present invention, the above-mentioned infusion device further includes a sensor and a sensing object. The sensor is located on the body, and the object to be sensed is located on the other end of the pressing member configured to be pressed toward the pressing surface. When the pressing member is away from the pressing surface, the sensor corresponds to the sensor, and the sensor detects the object .

In one or more embodiments of the present invention, the above-mentioned sensor is a Hall sensor, and the object to be sensed is a magnet.

In one or more embodiments of the present invention, the above-mentioned sensor is an optical sensor.

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

(1) Because the process of allowing the infusion tube to circulate fluid medicament in the body is through the rotation of the handle relative to the housing after the housing is provided, the fluid can be effectively avoided during the process of the infusion tube being fixed in the body. Unexpected flow of medicament in the infusion tube occurs.

(2) In order to allow the fluid to circulate when the infusion device is started after the infusion tube is installed, it is tied to the pressing piece through the knob of the handle when the handle is pulled up to keep the pressing piece away from the The mechanical operation mode of the pressing surface, therefore, the operational reliability can be effectively improved.

(3) Because before the protrusion of the handle faces the pressing member and the pressing member is away from the pressing surface of the retaining wall, the first guide portion of the handle and the second guide portion of the body have been engaged with each other, so that Make sure the relative position of the shell and the body is also relative It is fixed, so that the user can press the handle to rotate the handle in a safe and secure situation, and let the projection of the handle pass through the opening of the body and press against the pressing member to keep the pressing member away from the retaining wall. Pressure surface.

100‧‧‧ infusion equipment

110‧‧‧ Fixture

111‧‧‧ retaining wall

112‧‧‧Pressing surface

113‧‧‧First buckle section

120‧‧‧ body

121‧‧‧Second buckle section

122‧‧‧Second Guide

122a‧‧‧Guide Post

130‧‧‧Pressing piece

140‧‧‧shell

150‧‧‧handle

151‧‧‧ bump

152‧‧‧First Guide

152a‧‧‧arc guide groove

160‧‧‧Elastic element

170‧‧‧ Sensitive

180‧‧‧Sensor

200‧‧‧ infusion tube

A-A, B-B‧‧‧ line segments

HM‧‧‧Mounting hole

HO‧‧‧Opening

HT‧‧‧perforation

X‧‧‧ axis

FIG. 1 is a schematic partial perspective view of an infusion device according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view showing the jig of Fig. 1 at another viewing angle.

Fig. 3 is a cross-sectional view taken along line A-A of Fig. 1, where the infusion device includes a casing and a handle.

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1, in which the handle is rotated and abuts against the pressing member.

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 1, in which the projection faces the pressing member to keep the pressing member away from the pressing surface.

Fig. 6 is a partial perspective view showing the handle and the body of Fig. 1;

FIG. 7 is a partial cross-sectional view showing a line segment B-B in FIG. 6.

FIG. 8 is a partial cross-sectional view illustrating an infusion device according to another embodiment of the present invention.

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 Festival is not necessary. 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 Figure 1 ~ 2. FIG. 1 is a schematic partial perspective view of an infusion device 100 according to an embodiment of the present invention. FIG. 2 is a schematic perspective view showing the clamp 110 of FIG. 1 from another perspective. In this embodiment, as shown in FIGS. 1 and 2, the infusion device 100 includes a clamp 110, a body 120, and a pressing member 130. The clamp 110 has a perforated HT, which is configured to allow the infusion tube 200 to penetrate, and the infusion tube 200 is adapted to circulate a fluid medicament (not shown) therein. The clamp 110 further has a retaining wall 111 (see FIG. 2), the retaining wall 111 is adjacent to the perforation HT, and the retaining wall 111 further has a pressing surface 112, which at least partially faces the infusion tube 200. The clamp 110 has a first Snap portion 113. The body 120 has a mounting hole HM. The mounting hole HM is configured to allow the clamp 110 to be at least partially inserted. The body 120 further includes a second buckling portion 121. The second buckling portion 121 is at least partially located in the mounting hole HM. The buckle portions 113 are fixed to each other. After the clamp 110 is inserted into the mounting hole HM of the body 120, the first buckling portion 113 of the clamp 110 and the second buckling portion 121 of the body 120 are fastened to each other, so that the clamp 110 can be at least partially fixed to the mounting hole HM of the body 120 Inside.

In addition, the pressing member 130 is pivotally connected to the body 120 and is configured to press toward the pressing surface 112 of the retaining wall 111, that is, the infusion tube 200 penetrates the perforation HT of the fixture 110, and the fixture 110 is fixed to the body 120. After the inside, the infusion tube 200 is at least partially located between the pressing surface 112 and the pressing member 130. Moreover, the pressing member 130 is pressed toward the pressing surface 112 of the retaining wall 111, The infusion tube 200 between the pressing surface 112 and the pressing member 130 will be flattened, so that the inner walls of the infusion tube 200 are attached to each other, and the fluid medicine cannot flow in the infusion tube 200.

Please refer to FIG. 3, which is a cross-sectional view taken along line A-A of FIG. 1. The infusion device 100 includes a housing 140 and a handle 150. In this embodiment, as shown in FIG. 3, the infusion device 100 further includes a housing 140 and a handle 150. The casing 140 is detachably disposed on the body 120, and the handle 150 is pivotally connected to the casing 140. Therefore, the handle 150 can rotate about the axis X relative to the casing 140, and the handle 150 has a protrusion 151, which at least partially faces the body 120.

Please refer to FIG. 4, which is a cross-sectional view taken along line A-A of FIG. 1, in which the handle 150 rotates and abuts against the pressing member 130. As shown in FIG. 4, the handle 150 is rotated relative to the housing 140, and the projection 151 of the handle 150 abuts against the pressing member 130. At this time, the cross section of the infusion tube 200 is maintained in a flattened state, that is, the inner walls of the infusion tube 200 are adhered to each other, so that the fluid medicine can no longer flow through the infusion tube 200.

Please refer to FIG. 5, which is a cross-sectional view taken along line A-A of FIG. 1, in which the protrusion 151 faces the pressing member 130 to keep the pressing member 130 away from the pressing surface 112. As shown in FIG. 5, the handle 150 rotates toward the body 120 about the axis X relative to the housing 140, and the projection 151 of the handle 150 is further pushed toward the pressing member 130 so that the pressing member 130 is away from the pressing surface of the retaining wall 111. 112. In this way, the infusion tube 200 is no longer squashed between the pressing member 130 and the pressing surface 112, and the infusion tube 200 can recover by pressing the pressing member 130 away from the pressing surface 112 of the retaining wall 111. Hollow state, allowing fluid medicaments to circulate Infusion tube 200.

That is, when the infusion tube 200 passing through the clamp 110 is inserted with the clamp 110 and fixed in the mounting hole HM of the body 120, the infusion tube 200 is in a state of being pressed against the retaining wall 111 by the pressing member 130, so that The infusion tube 200 is also maintained in a collapsed state, so that the fluid medicine cannot flow through the infusion tube 200. Subsequently, when the user sets the housing 140 on the body 120 and rotates the handle 150 about the axis X relative to the housing 140, the protrusion 151 of the handle 150 is pushed against the pressing member 130 as the handle 150 rotates, so that the pressing member 130 130 is far from the pressing surface 112 of the retaining wall 111, and enables the infusion tube 200 to return to a hollow state, so that the fluid medicine can flow in the infusion tube 200.

In other words, the process of allowing the infusion tube 200 to circulate fluid medicament in the body 120 is transmitted through the rotation of the handle 150 relative to the housing 140 after the housing 140 is provided in the body 120. Therefore, the infusion tube 200 is fixed in the body 120 In the process, it is possible to effectively avoid the situation that the fluid medicine flows unexpectedly in the infusion tube 200.

In addition, in order to allow the fluid medicine to flow when the infusion device 100 is started after the infusion tube 200 is installed in the body 120, it is tied to the handle 150 when the handle 150 is pulled up to press the pressing piece 130 toward the pressing member 130 In addition, the mechanical operation mode of keeping the pressing member 130 away from the pressing surface 112 can improve the operational reliability.

In addition, as shown in FIGS. 3 to 5, the infusion device 100 further includes an elastic element 160. The elastic element 160 is covered by the pressing member 130 in the figure, so it is shown by a dotted line. The elastic element 160 is elastically connected to the pressing member 130 and the body 120. Before the protrusion 151 of the handle 150 faces the pressing member 130, the pressing member 130 The elastic surface is pressed against the pressing surface 112 of the abutting wall 111. In this way, when the infusion tube 200 passing through the clamp 110 is inserted with the clamp 110 and fixed in the mounting hole HM of the body 120, the infusion tube 200 is in a state of being pressed against the retaining wall 111 by the pressing member 130, thus making the infusion The tube 200 is also maintained in a collapsed state, so that the fluid medicine cannot flow through the infusion tube 200. For example, in practical applications, the elastic element 160 is a torsion spring, but the invention is not limited thereto.

More specifically, the body 120 has an opening HO, and the position of the opening HO corresponds to the pressing member 130. In other words, the pressing member 130 can be at least partially seen through the opening HO from the outside of the body 120. When the handle 150 rotates about the axis X relative to the housing 140, the projection 151 of the handle 150 passes through the opening HO of the body 120 and faces the pressing member 130 so that the pressing member 130 is far from the pressing surface 112 of the retaining wall 111. The infusion tube 200 can be returned to a hollow state, so that the fluid medicine can flow through the infusion tube 200. It is worth noting that, as shown in FIG. 1, the opening HO can communicate with the mounting hole HM, and the position of the retaining wall 111 corresponds to the opening HO.

In addition, when the protrusion 151 of the handle 150 faces the pressing member 130 so that the pressing member 130 is away from the pressing surface 112 of the retaining wall 111, the handle 150 also fits the housing 140 at this time, as shown in FIG. 5 . In other words, when the infusion device 100 is in operation, that is, when the fluid medicament is circulating in the infusion tube 200, the handle 150 does not protrude excessively out of the housing 140, so the risk of the user accidentally pushing the handle 150 is also effective reduce.

Please refer to Figures 6 ~ 7. FIG. 6 is a partial perspective view showing the handle 150 and the body 120 of FIG. 1. Figure 7 shows the line of Figure 6 Partial sectional view of segment B-B. In this embodiment, as shown in FIGS. 6 to 7, the handle 150 further includes at least a first guide portion 152, and the body 120 includes at least a second guide portion 122. When the handle 150 rotates about the axis X relative to the housing 140 (see FIGS. 3 to 5), and before the projection 151 faces the pressing member 130, the first guide portion 152 of the handle 150 rotates with the handle 150 and moves with the body 120 The second guide portions 122 are engaged with each other to fix the relative positions of the casing 140 and the body 120.

In this way, before the protrusion 151 of the handle 150 is pushed toward the pressing member 130 and the pressing member 130 is separated from the pressing surface 112 of the retaining wall 111, the first guide portion 152 of the handle 150 and the second portion of the body 120 The guide portions 122 have been engaged with each other to ensure that the relative positions of the housing 140 and the body 120 are relatively fixed. Therefore, the user can press the handle 150 to rotate the handle 150 in a safe and secure situation, The protrusion 151 of the handle 150 passes through the opening HO of the body 120 and faces the pressing member 130 so as to keep the pressing member 130 away from the pressing surface 112 of the retaining wall 111.

In addition, for example, the angle between the handle 150 and the case 140 is 0 degrees before the handle 140 is rotated about the axis X, and the handle 150 is opposite to the case after the handle 150 is rotated about the axis X to fit the case 140. The included angle of 140 is 90 degrees. When the included angle of the handle 150 with respect to the housing 140 is, for example, 60 degrees, the first guide portion 152 of the handle 150 and the second guide portion 122 of the body 120 are engaged with each other to fix the housing. The relative position of 140 and the body 120. In practical applications, when the first guide portion 152 of the handle 150 and the second guide portion 122 of the body 120 start to engage with each other, the included angle of the handle 150 with respect to the housing 140 may be set to other values according to actual conditions. Angle, but this invention does not Limited.

In this embodiment, as shown in FIG. 6, the first guide portion 152 of the handle 150 includes an arc-shaped guide groove 152a, and the second guide portion 122 of the body 120 includes a guide post 122a. When the groove 152a rotates with the handle 150, the guide post 122a is engaged with the arc-shaped guide groove 152a, so that the first guide portion 152 of the handle 150 and the second guide portion 122 of the body 120 are engaged with each other.

Furthermore, the number of the first guide portions 152 of the handle 150 is a pair, and the pair of first guide portions 152 are respectively located at opposite ends of the handle 150 along the axis X. In addition, the second guide portion 122 of the body 120 The number is also a pair, and the second guide portion 122 is at least partially located between the first guide portions 152. In this way, since the engagement between the first guide portion 152 and the second guide portion 122 is performed at two opposite ends of the handle 150 along the axis X, the handle 150 can be firmly engaged with the body 120.

Please refer to FIG. 8, which is a partial cross-sectional view illustrating an infusion device 100 according to another embodiment of the present invention. In this embodiment, as shown in FIG. 8, the infusion device 100 further includes a sensor 180 and a sensing object 170. The sensor 180 is located at the body 120, and the subject 170 is located at the other end of the pressing member 130 configured to be pressed toward the pressing surface 112. Specifically, before the protrusions 151 of the handle 150 pass through the opening HO of the body 120 and press against the pressing member 130, the positions of the sensing object 170 and the sensor 180 are staggered from each other.

However, when the protrusion 151 of the handle 150 passes through the opening HO of the body 120 and faces the pressing member 130 so as to keep the pressing member 130 away from the pressing surface 112, the subject 170 also rotates with the pressing member 130 to Corresponds to the position of the sensor 180, and the sensor 180 senses the object 170, so that The user can learn that the pressing member 130 is far away from the pressing surface 112 through the signal of the sensor 180, and the infusion tube 200 has returned to a hollow state, and the fluid medicine can circulate in the infusion tube 200. In this way, the reliability of the infusion device 100 in operation can be effectively improved.

In practical applications, the sensor 180 may be an optical sensor (Optical Sensor), which senses the position of the sensing object 170 using an optical principle. Alternatively, according to actual conditions, the sensor 180 may be a Hall sensor and the subject 170 is a magnet, but the present invention is not limited thereto.

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

(1) Because the process of allowing the infusion tube to circulate fluid medicament in the body is through the rotation of the handle relative to the housing after the housing is provided, the fluid can be effectively avoided during the process of the infusion tube being fixed in the body. Unexpected flow of medicament in the infusion tube occurs.

(2) In order to allow the fluid to circulate when the infusion device is started after the infusion tube is installed, it is tied to the pressure piece through the knob of the handle when the handle is pulled up to keep the pressure piece away from the pressure piece. The mechanical operation mode of the pressing surface, therefore, the operational reliability can be effectively improved.

(3) Because before the protrusion of the handle faces the pressing member and the pressing member is away from the pressing surface of the retaining wall, the first guide portion of the handle and the second guide portion of the body have been engaged with each other, so that Ensure that the relative position of the casing and the body is relatively fixed, so the user can press the handle to rotate the handle in a safe and secure situation, and let the knob of the handle pass through the opening of the body and press against it. The pressing piece, so that the pressing piece is far from the pressing surface of the retaining wall.

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 (9)

An infusion device includes: a clamp with a perforation configured to allow an infusion tube to penetrate therethrough, the clamp further has a retaining wall adjacent to the perforation, the retaining wall has a pressing surface, the pressing surface faces the For the infusion tube, the clamp further has a first locking portion; a body has a mounting hole and an opening, the mounting hole is configured to allow the clamp to be at least partially inserted, and the body further has a second locking portion, configured To be fixed with the first buckling portion; a pressing member pivotally connected to the body and configured to press the infusion tube toward the pressing surface, wherein the position of the opening corresponds to the pressing member; a shell The body is detachably disposed in the body; and a handle pivotally connected to the housing, the handle has a protrusion, at least partially facing the body, wherein, when the handle rotates about the axis toward the body relative to the housing , The protrusion passes through the opening and presses against the pressing member to keep the pressing member away from the pressing surface, so that the infusion tube is no longer pressed and closed by the pressing member. The infusion device according to claim 1, further comprising: an elastic element elastically connecting the pressing member and the body, wherein the pressing member is elastically oriented toward the pressing member before the bump presses against the pressing member The pressure surface resists. The infusion device according to claim 2, wherein the elastic element is a torsion spring. The infusion device according to claim 1, wherein the handle further has at least a first guide portion, the body has at least a second guide portion, and when the handle rotates relative to the housing, the protrusion pushes towards the Before the pressing member, the first guide part rotates with the handle and engages with the second guide part to fix the relative position of the housing and the body. The infusion device according to claim 4, wherein the first guide portion includes an arc-shaped guide groove, and the second guide portion includes a guide post, and when the arc-shaped guide groove rotates with the handle, The guide column is engaged in the arc-shaped guide groove. The infusion device according to claim 4, wherein the number of the first guide parts is a pair, which are located at opposite ends of the handle along the axis, and the number of the second guide parts is also a pair. The infusion device according to claim 1, wherein when the bump is pressed against the pressing member, the handle fits the housing. The infusion device according to claim 1, further comprising a sensor and a sensing object, the sensor is located in the body, and the sensing object is located at the other end of the pressing member configured to press against the pressing surface, When the pressing member is away from the pressing surface, the sensing object corresponds to the sensor, and the sensor senses the sensing object. The infusion device according to claim 8, wherein the sensor is a Hall sensor, and the subject is a magnet.