JP4093055B2 - Hygiene sheet - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a sheet used for hygienically blocking the operative field side and the machine side in treatment performed by connecting a patient side and an external machine side with a tube such as heart surgery and liver surgery.
[0002]
During cardiac surgery, a patient and an external machine such as a heart-lung machine are connected to the patient via a tube. However, the surgical field side where the patient and the operator are located must always be kept highly clean. On the other hand, devices for performing extracorporeal blood circulation, such as blood pumps and myocardial protective fluid cooling machines, or devices may be far from the patient, and the cleanliness of these machines or devices is: It is called the machine side area to distinguish it from the surgical field side where high cleanliness or sterility is required. And, in order to clarify the boundary between the operative field side and the machine side, or to cut off hygienically, a sanitary sheet may be provided between the operative field side and the machine side. When a sanitary sheet is provided, the tube connecting the patient on the operative field side and the external machine on the machine side, for example, avoids the sanitary sheet and bypasses the lower part of the sheet, but this makes the tube longer, For example, this leads to an increase in the priming amount.
[0003]
As a sanitary sheet for blocking between the operative field side and the machine side, a sanitary sheet having an opening, having a tube penetrated through the opening, and a peripheral edge thereof being fixed has been devised (see, for example, Patent Document 1). . When this sanitary sheet is used, the tube can be shortened, and external machinery can be arranged as close to the patient as possible.
[0004]
[Prior art]
[Patent Document 1]
JP2001-321390
[0005]
[Problems to be solved by the invention]
When using a hygienic sheet with an opening that allows the tube to penetrate, use a hole with a diameter required in advance when processing the sanitary sheet, and bond the tube to the sheet with heat fusion or an adhesive. It is necessary to let In particular, it is a troublesome work to bond a plurality of tubes by heat fusion or an adhesive. There is a method of using a retaining ring for fixing the tube, but there are problems such as an increase in the number of parts. In addition, when the tube is not sufficiently fixed to the opening, the tube moves, and in some cases, the tube portion on the machine side moves to the operative field side, which may impair the cleanliness of the operative field side.
[0006]
[Means for Solving the Problems]
The present invention connects at least one surgical field side tube and machine side tube to a part of a sanitary sheet body that cuts off the surgical field side and the machine side, and is capable of moving the fluid flow between the tubes. By providing a sanitary sheet to which a plate-like object having the above-described tube connection connector (hereinafter also referred to as a plate-like connector unit) is fixed, the technical problem has been solved.
[0007]
The plate-like connector unit fixed to the sanitary sheet of the present invention has one or a plurality of tube connecting connector portions in a part of the sanitary sheet main body, and when having a plurality of tube connecting connector portions, the connecting connector The diameters of the parts may all be the same, but are preferably composed of a plurality of types of diameters so that tubes of different diameters can be connected. Moreover, the tube connection part of the said tube connection connector part may be the structure where the opening side front-end | tip part is coat | covered with a cover member, the said cover member is removed at the time of use, and a tube is connected.
[0008]
The tube connecting connector part may be formed integrally with the plate-like connector unit main body, or formed by inserting the tube connecting connector so as to be fixed to the opening or notch of the plate-like connector unit. It may be a thing. Moreover, a tube connection connector, a plate-shaped connector unit, and a sanitary sheet are normally comprised with a synthetic resin.
[0009]
The present invention also relates to a sanitary sheet assembly comprising a plate-like connector unit and a sanitary sheet which can be fixed to the plate-like connector unit and has an opening or a cut. In the case of such an assembly, the opening or notch of the sanitary sheet is formed in advance, but the user may form the opening or notch during use.
[0010]
Embodiment
Hereinafter, the present invention will be described more specifically based on embodiments.
Embodiment 1
One embodiment of the plate-like connector unit will be described with reference to FIG.
The plate-like connector unit 2 is formed integrally with the tube connecting portion 3. The surgical field side tube 1z and the machine side tube 1k are joined by the tube connecting portion 3 of the plate-like connector unit 2.
[0011]
Embodiment 2
Based on FIG. 3, one mode of the tube connection connector 4 fixedly held by the plate-like connector unit will be described.
The tube connection connector 4 of this embodiment is configured to have a tube connection portion 3 and a fixing portion of the plate-like connector unit 5, and the plate-like connector unit 2 has some holding means on the fixing portion 5 of the tube connection connector 4. For example, it is held by a holding ring 6 as shown in the fifth embodiment.
In the tube connecting portion 3 of this embodiment, the lumen of the tube connecting portion 3 is formed so that the flow path surface formed by the lumen surface 13 where the tube is not sandwiched and the tube lumen surface 14 is uniform. The fluid can be smoothly distributed between the operative field side and the machine side.
[0012]
Embodiment 3
Based on FIG. 4, another embodiment in which the tube connecting connector 4 is fixedly held to the plate-like connector unit 2 will be described.
In the plate-like connector unit 2 of this embodiment, the tubes 1Z and 1K are held by the tube connecting portion 3 of the tube connecting connector 4, and the connector unit 2 is held by the holding portion 7 of the plate-like connector unit 2 of the tube connecting connector 4. Composed.
The tube connection connector 4 of the present embodiment also has its flow path formed so that the flow path surface formed by the lumen surface of the connector 4 and the tube lumen surface is uniform. In this embodiment, The tube fitting surface of the tube connecting portion 3 is provided with an uneven portion 8 in order to hold the tubes 1Z and 1K more firmly.
[0013]
Embodiment 4
As shown in FIG. 5, the plate-like connector unit 2 of the present embodiment is the same as the plate-like connector unit of the third embodiment, except that the tube connecting portion 3 has a bamboo shoot-like projection 9 formed on the outer surface of the tube connecting connector portion. Is inserted into the tubes 1Z and 1K, the tube 1 is held, and the plate-like connector unit 2 is sandwiched between the connector unit clamping portions 7 of the tube connection connector 4.
[0014]
Embodiment 5
In the plate-like connector unit 2 of this embodiment, as shown in FIG. 6, the tubes 1 </ b> Z and 1 </ b> K are held by the tube holding portion 3 of the tube connecting connector 4, and the plate is attached to the connector unit fixing portion 5 of the tube connecting connector 4. The connector unit 2 is fixed and held by the holding ring 6. This fixed holding state can be easily eliminated by removing the holding ring 6.
The sandwiching ring 6 has a plurality of cut portions, preferably a plurality of cut portions 12 toward the center of the circle as shown in FIG. 7, so that the sandwich ring 6 can be easily inserted into the fixed portion and once inserted. Then, the effect of making it difficult to remove can be achieved. However, the cutting direction of the plurality of cutting portions is not necessarily limited to the direction toward the center of the circle.
As shown in FIG. 6, the fixed state of the plate-like connector unit 2 can be more firmly held by a projection (plate-like connector unit fixing portion) 10 provided on the tube connector 4.
[0015]
Embodiment 6
FIG. 1 shows a state in which the plate-like connector unit 2 of each embodiment is joined to the sanitary sheet B. An opening is provided in the sanitary sheet B, and the opening is covered with the plate-like connector unit 2, or the plate-like connector unit 2 is fitted into the opening, and the plate-like connector unit and the sanitary sheet are bonded by heat fusion or adhesion. The two are connected so that it is difficult to separate them.
[0016]
The plate-like connector unit 2 and the sanitary sheet B are joined together by fixing the plate-like connector unit 2 and the sanitary sheet B in place of the sticking that makes it difficult to separate the plate-like connector unit 2 and the sanitary sheet B as described above. May be separable and re-adherable. Separation and re-adhesion of the plate-like connector unit and sanitary sheet are possible as necessary, so that the plate-like connector unit once secured to the sanitary sheet can be replaced with another type of plate-like connector as necessary. It can be easily replaced with a new plate-like connector unit.
[0017]
As the sanitary sheet, it is preferable to have at least transparency that allows the surgical field side to be seen through from the machine side, or from the machine side to the surgical field side, or a sheet that does not cause a blocking phenomenon. It may contain a drug that improves the function of the sheet, such as an antibacterial agent.
[0018]
【effect】
By using the plate-like connector unit, the sanitary sheet is completed by a single fixing operation. Since there is no tube connection work to the sheet that is difficult to fix, and the tube only needs to be connected after that, the quality is also stable. Since the tube is connected to the connection port of the connector unit, movement of the tube when it is insufficiently fixed does not occur fundamentally, and there is less chance of cleanliness loss due to a manufacturing process error.
Furthermore, by forming a plurality of types of tube connecting portions in one plate-like connector unit, it is possible to select and connect tube connecting portions suitable for connecting tubes having different diameters for different uses.
Of the tube connection parts of the plate-like connector unit, the tip of the tube connection part that does not connect the tube, especially the machine side tip, is sealed with a cap seal or the like, so that the tube connection part can be prevented from being contaminated. It also helps prevent pollution.
[Brief description of the drawings]
FIG. 1 is a view showing a state of connection between a surgical field side and a machine side to a connector unit of a sanitary sheet according to the present invention.
2 is an explanatory view showing a connector unit in which a connector unit and a tube connecting portion are integrally formed in Embodiment 1. FIG.
FIG. 3 is an explanatory view showing a connection state between a tube connection connector and a tube according to a second embodiment.
4 is an explanatory view showing a state in which a connector unit and a tube connector are clamped in Embodiment 3. FIG.
FIG. 5 is an explanatory view showing a state in which the connector unit and the tube connecting connector are clamped in the fourth embodiment.
6 is an explanatory view showing a state in which a connector unit is fixed by a tube connecting connector and a holding ring 6 in Embodiment 5. FIG.
FIG. 7 is a plan view of a disc-shaped clamping ring used for clamping a plate-like connector unit to a tube connecting connector portion.
[Explanation of symbols]
A Surgery side (clean area)
B Sanitary sheet C Machine side 1Z Surgery side tube 1K Machine side tube 2 Plate connector unit 3 Tube connection part 4 Tube connection connector 5 Fixing part 6 of plate connector unit Clamping ring 7 Clamping part 8 of plate connector unit Uneven part 9 Bamboo-like projection 10 Plate-like connector unit fixing part 12 Nipping ring notch 13 Tube connection connector lumen surface (tube clamping surface)
14 Tube lumen surface

Claims (8)

  At least one or more tubes that connect the surgical field side tube and the machine side tube to the opening of the sanitary sheet body that shuts off the surgical field side and the machine side, and that can move the fluid flow between the tubes. A sanitary sheet to which a plate-like object having a connecting connector portion (hereinafter also referred to as a plate-like connector unit) is fixed. The tube connecting connector portion sandwiches the opening edge of the plate-like object formed by standing upright in the tube connecting portion and the tube connecting portion or the opening edge of the cut portion or the edge of the cut portion in the standing direction. The sanitary sheet according to claim 1, wherein the sanitary sheet is composed of a clamping part (hereinafter referred to as a sanitary sheet clamping part) . The tube connecting connector portion fixes the opening edge of the plate-like object formed in a vertical direction to the tube connecting portion and the tube connecting portion or the opening edge of the notch or the edge of the notch in the standing direction. A fixing part (hereinafter referred to as a plate-like object fixing part), and a clamp that exists opposite to the plate-like object fixing part and that fixes the opening edge or the notch part edge of the plate-like object together with the plate-like object fixing part. The sanitary sheet according to claim 1, wherein the sanitary sheet is constituted by a ring .   The sanitary sheet according to claim 3, wherein the sandwiching ring has a plurality of cut portions toward the center of the circle.   The sanitary sheet according to claim 3 or 4, wherein a protruding portion for fixing the holding ring is formed on the outer peripheral surface of the tube connecting portion.   6. The sanitary sheet according to any one of claims 1 to 5, wherein the plate-like connector unit has a plurality of types of tube connection connector portions having different diameters.   The sanitary sheet according to any one of claims 1 to 6, wherein the plate-like connector unit covers the opening of the sanitary sheet and is heat-sealed or bonded to the sheet by an adhesive.   The sanitary sheet according to any one of claims 1 to 6, wherein the plate-like connector unit covers the opening of the sanitary sheet and is fixed to the sanitary sheet so as to be fixed, separable and re-adherable. .

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