Blood collection tube fixer

Abstract

The utility model relates to the technical field of medical instruments, and discloses a blood collection tube fixator which comprises a base, a telescopic rod, an inner rotating disc, an outer rotating disc and a tube support. The length of the telescopic rod is telescopic, and the lower end of the telescopic rod is pivoted with the base; the outer turntable sleeves the outer side of the inner turntable and can rotate around the center of the inner turntable; the tube support is fixedly connected with the outer rotating disc and provided with a tube hole used for insertion of a blood collection tube. According to the special blood vessel blood drawing device, the difficulty of special blood vessel blood drawing is reduced, single-person operation of special blood vessel blood drawing is achieved, manpower resources are saved, and the time for blood drawing of a special blood drawing patient is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a blood collection tube fixing device. BACKGROUND

[0002] When blood is drawn from a patient with special blood vessels, the needle is first inserted into the patient's blood vessel according to the blood drawing operation requirements, and then the blood collection tube at the other end is connected. Due to the special blood vessels, the blood drawing operator needs to fix the needle handle with one hand and hold the needle at the other end with the other hand to connect the needle with the blood collection tube. Since the blood collection tube is not fixed, it is impossible to fix the blood collection tube and insert the needle into the blood collection tube with one hand at the same time, so at this time, it is necessary to hold the blood collection tube with the help of other people to insert the needle into the blood collection tube to complete the blood drawing.

[0003] Whenever blood is drawn from a patient with special blood vessels, it is necessary to arrange manpower in advance to assist in blood drawing. On the one hand, it will result in blood drawing time far exceeding the time used for conventional blood drawing, and on the other hand, it will reduce the work efficiency of the blood drawing operator and occupy more human resources. UTILITY MODEL CONTENT

[0004] The utility model discloses in order to solve the prior art's insufficient, provide a kind of blood collection tube fixing device, the utility model aims at at least one of the technical problems in prior art is solved to some extent.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of blood collection tube fixing device, the blood collection tube fixing device includes base, telescopic rod, inner turntable, outer turntable and tube holder;The length of telescopic rod is telescopic and lower end is pivoted with base, inner turntable is pivoted with the upper end of telescopic rod;Outer turntable is set in the outside of inner turntable and can revolve around the center of inner turntable;Tube holder is fixedly connected with outer turntable, and tube hole that allows blood collection tube to be inserted and fixed therein is provided on tube holder.

[0007] In some embodiments, the base includes a bottom plate and a bottom disc located above the bottom plate, the bottom disc is fixedly connected with the bottom plate, and the lower end of the telescopic rod is pivoted with the bottom disc.

[0008] In some embodiments, the telescopic rod includes an outer rod and an inner rod, the upper end of the outer rod is provided with a insertion hole, the inner rod is inserted into the insertion hole and can slide along the length direction of the outer rod, the lower end of the outer rod is pivoted with the bottom disc, and the upper end of the inner rod is pivoted with the inner turntable.

[0009] In some embodiments, the upper end of the bottom disc has a first hinge block, the lower end of the outer rod is pivoted with the first hinge block through a first pivot, the lower end of the inner turntable has a second hinge block, and the upper end of the inner rod is pivoted with the second hinge block through a second pivot.

[0010] In some embodiments, the outer rod is provided with a sliding channel in communication with the insertion hole, the sliding channel extends in the length direction of the outer rod, and a spacing exists between the two ends of the sliding channel and the two ends of the outer rod.

[0011] In some embodiments, the inner rotating disc is provided with a protrusion on the outer circumferential surface, and the outer rotating disc is provided with an annular groove on the inner wall, the groove is concentric with the outer rotating disc, and the protrusion is clamped into the groove.

[0012] In some embodiments, the protrusion surrounds half of the inner rotating disc, and the outer rotating disc is provided with a limiting pin, at least part of the limiting pin is inserted into the groove.

[0013] In some embodiments, the outer rotating disc comprises coaxially arranged upper disc body and lower disc body, the lower end of the upper disc body is provided with a first cut groove, the upper end of the lower disc body is provided with a second cut groove, the lower end of the upper disc body is connected with the upper end of the lower disc body, and the first cut groove and the second cut groove are combined into the groove, and the pipe support is fixedly connected with the upper disc body.

[0014] In some embodiments, the pipe hole is a cylindrical hole, the axis of the pipe hole is parallel to the upper end surface of the pipe support and located between the upper end surface and the lower end surface of the pipe support, and the distance between the axis of the pipe hole and the upper end surface of the pipe support is less than the radius of the pipe hole.

[0015] In some embodiments, the cross section of the pipe hole is U-shaped or rectangular, the upper end of the pipe support is provided with a transparent cover plate, and the extension direction of the pipe hole is parallel to the cover plate.

[0016] The utility model discloses beneficial effect lies in:

[0017] The blood taking tube fixing device provided by the utility model reduces the difficulty of special blood vessel blood drawing, realizes single-person operation of special blood vessel blood drawing, saves manpower resources, is favorable for shortening the time of special blood drawing patient blood drawing, and has the advantages of overall movability and small floor space, does not affect the placement of other articles, and can be applicable to most blood drawing operation occasions. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other embodiments can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the perspective view of the embodiment of the utility model, and the upper end surface of the pipe support is parallel to the bottom plate in the drawing.

[0020] Figure 2is another perspective view of the embodiment of the utility model, the upper end face of pipe support is inclined relative to the bottom plate in this drawing, and the blood collection tube is not perpendicular to the first pivot.

[0021] Figure 3 is still another perspective view of the embodiment of the utility model, the upper end face of pipe support is inclined relative to the bottom plate in this drawing, and the blood collection tube is not perpendicular to the first pivot.

[0022] Figure 4 is Figure 1 the front view of the embodiment shown.

[0023] Figure 5 is Figure 4 the sectional view along A-A line in it.

[0024] Figure 6 is Figure 5 the local enlarged view of I in it.

[0025] Figure 7 is the left view of the embodiment of the utility model.

[0026] Figure 8 is the explosion view of the base in the embodiment of the utility model.

[0027] Figure 9 is the explosion view of the telescopic rod in the embodiment of the utility model.

[0028] Figure 10 is the structure diagram of the inner turntable in the embodiment of the utility model.

[0029] Figure 11 is the structure diagram of the outer turntable in the embodiment of the utility model.

[0030] Figure 12 is the explosion view of the outer turntable in the embodiment of the utility model.

[0031] Figure 13 is the structure diagram of a pipe support in the utility model.

[0032] Figure 14 is the structure diagram of another pipe support and cover plate assembly in the utility model.

[0033] Figure 15 is Figure 14 the schematic diagram of the pipe support and cover plate separation in it.

[0034] Figure 16 is the structure diagram of still another pipe support in the utility model.

[0035] The following is the explanation of reference signs:

[0036] In the figure: 1, bottom plate; 2, bottom disc; 201, first hinge block; 3, outer rod; 301, socket; 302, slide; 4, inner rod; 5, inner turntable; 501, second hinge block; 502, protrusion; 6, pipe holder; 601, pipe hole; 7, first pivot; 8, second pivot; 9, limiting block; 10, upper disc body; 1001, first cutout; 11, lower disc body; 1101, second cutout; 12, groove; 13, limiting pin; 14, cover plate; 15, bolt; 16, bolt; 17, blood collection tube; 100, base; 200, telescopic rod; 300, outer turntable. DETAILED DESCRIPTION

[0037] The embodiments of the present application will be further described in details with reference to the accompanying drawings and examples. The following detailed description and drawings are provided as an example to illustrate the principles of the present application, but cannot be used to limit the scope of the present application, and the present application can be implemented in many different forms, not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0038] The present application provides these embodiments in order to make the present application thorough and complete, and fully express the scope of the present application to those skilled in the art. It should be noted that: unless otherwise specified, the relative arrangement of components and steps, the composition of materials, numerical expressions and values set forth in these embodiments should be interpreted as merely exemplary, and not as a limitation.

[0039] It should be noted that, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is greater than or equal to two; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer" and the like is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0040] In addition, "first", "second" and similar words used in the present application do not represent any order, number or importance, but are only used to distinguish different parts. "Vertical" is not strictly vertical, but within the allowable range of error. "Parallel" is not strictly parallel, but within the allowable range of error. "Include" or "contain" and similar words mean that the elements before the word cover the elements listed after the word, and do not exclude the possibility of also covering other elements.

[0041] It should be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. When it is described that a specific device is located between the first device and the second device, there can be or can not be an intermediate device between the specific device and the first device or the second device.

[0042] All the terms used in the present application have the same meaning as understood by those skilled in the art to which the present application belongs, unless otherwise specifically defined. It should also be understood that the terms defined in general dictionaries should be interpreted to have meanings consistent with their meanings in the context of the relevant art, and should not be interpreted in an idealized or excessively formalized sense, unless otherwise defined herein.

[0043] The techniques, methods, and devices known to those skilled in the relevant art can not be discussed in detail, but in appropriate cases, the techniques, methods, and devices should be considered as part of the specification.

[0044] Reference Figures 1-16 As shown, the utility model provides a kind of blood collection tube holder, the blood collection tube holder includes base 100, telescopic rod 200, inner turntable 5, outer turntable 300 and tube holder 6. The length of telescopic rod 200 is telescopic and lower end is pivoted with base 100, inner turntable 5 is pivoted with the upper end of telescopic rod 200;Outer turntable 300 is set in the outside of inner turntable 5 and can rotate around the center of inner turntable 5;Tube holder 6 is fixedly connected with outer turntable 300, and tube hole 601 that allows blood collection tube 17 to be inserted and fixed therein is provided on tube holder 6.

[0045] In the utility model, between lower end of telescopic rod 200 and base 100, between upper end of telescopic rod 200 and inner turntable 5 and between outer turntable 300 and inner turntable 5, all have pre-tightening force, and telescopic rod 200 also has pre-tightening force, under the action of pre-tightening force, these components can be fixed relative to each other without human intervention, and the length of telescopic rod 200 can remain unchanged;Moreover, when user normally operates needle insertion blood collection tube 17, these pre-tightening forces can also make the posture of the blood collection tube holder unchanged.

[0046] When the posture of the blood collection tube holder needs to be adjusted, the user can apply force to the corresponding part of the blood collection tube holder to overcome the pre-tightening force and change the posture of the blood collection tube holder. For example, the handheld tube holder 6 can drive the tube holder 6 to rotate around the axis of the inner turntable 5 together with the outer turntable 300, the handheld tube holder 6 can also drive the inner turntable 5 to rotate around the pivot joint between the inner turntable 5 and the telescopic rod 200, lifting the tube holder 6 upward can make the telescopic rod 200 longer, and pushing and pulling the tube holder 6 or the telescopic rod 200 forward and backward can make the lower end of the telescopic rod 200 rotate around the pivot joint between the telescopic rod 200 and the base 100.

[0047] In some embodiments, the base 100 includes a bottom plate 1 and a bottom disc 2 above the bottom plate 1, the bottom disc 2 is fixedly connected with the bottom plate 1, and the lower end of the telescopic rod 200 is pivotally connected with the bottom disc 2. Referring to Figure 1 As shown, the bottom plate 1 is rectangular in this embodiment, the four corners of the bottom plate 1 are chamfered, the length of the bottom plate 1 is 13-15 cm, and the width of the bottom plate 1 is 11-12 cm; the bottom disc 2 is disc-shaped, and the diameter of the bottom disc 2 is 3-4 cm. The bottom plate 1 needs to have sufficient weight and bottom area to play a role in stable support and ensure that the blood collection tube holder can be attached to the desktop or workbench regardless of the movement of the parts above the base 100. Figure 8 As shown, the bottom disc 2 and the bottom plate 1 are fixedly connected together by four bolts 15, and the force received by the bottom plate 1 is more evenly distributed by the bottom disc 2, and the overall blood collection tube holder is more stable. In addition, a rubber anti-skid pad can be arranged below the bottom plate 1 to achieve the effect of anti-skid.

[0048] In some embodiments, when the bottom surface area of the bottom disc 2 is large enough and the weight is heavy, the bottom plate 1 can be omitted, and the telescopic rod 200 can be connected to any position (such as the center or the edge) on the upper surface of the bottom disc 2, so that the blood collection tube holder can also be stably supported.

[0049] In some embodiments, the telescopic rod 200 includes an outer rod 3 and an inner rod 4, the upper end of the outer rod 3 is provided with a insertion hole 301, the inner rod 4 is inserted into the insertion hole 301 and can slide along the length direction of the outer rod 3, the lower end of the outer rod 3 is pivotally connected with the bottom disc 2, and the inner turntable 5 is pivotally connected with the upper end of the inner rod 4. Referring to Figure 9 As shown, the cross sections of the outer rod 3 and the inner rod 4 are both rectangular, the cross section shape of the insertion hole 301 is the same as that of the inner rod 4, and when the inner rod 4 is inserted into the insertion hole 301, the side wall surface of the inner rod 4 corresponds and fits with the inner wall surface of the insertion hole 301. In some embodiments, in order to make the outer rod 3 and the inner rod 4 have a pre-tightening force, a rubber ring (not shown in the figure) can be sleeved on the inner rod 4, the outer side of the rubber ring is in close contact with the inner wall of the outer rod 3, so that the outer rod 3 and the inner rod 4 have a large enough friction force.

[0050] In some embodiments, the upper end of the chassis 2 has a first hinge block 201, and the lower end of the outer rod 3 is pivotally connected to the first hinge block 201 via a first pivot 7; the lower end of the inner turntable 5 has a second hinge block 501, and the upper end of the inner rod 4 is pivotally connected to the second hinge block 501 via a second pivot 8. See also Figures 8 to 10 As shown, the lower end of the outer rod 3 and the first hinge block 201 are both provided with circular holes for the insertion of the first pivot 7, and the upper end of the inner rod 4 and the second hinge block 501 are provided with circular holes for the insertion of the second pivot 8. The first pivot 7 and the second pivot 8 are parallel to each other. The first hinge block 201 and the lower end of the outer rod 3, as well as the second hinge block 501 and the upper end of the inner rod 4, can be tightly fitted to provide preload between the first hinge block 201 and the lower end of the outer rod 3, and between the second hinge block 501 and the upper end of the inner rod 4.

[0051] In some embodiments, to prevent the inner rod 4 from dislodging from the insertion hole 301 of the outer rod 3, a slide rail 302 communicating with the insertion hole 301 is provided on the outer rod 3. The extension direction of the slide rail 302 is consistent with the length direction of the outer rod 3, and there is a gap between the two ends of the slide rail 302 and the two ends of the outer rod 3. In other words, the two ends of the slide rail 302 do not penetrate the two ends of the outer rod 3. A limiting block 9 fixedly connected to the inner rod 4 is provided in the slide rail 302. When the inner rod 4 slides relative to the outer rod 3, the limiting block 9 slides in the slide rail 302. When the limiting block 9 slides to the two ends of the slide rail 302, it can prevent the telescopic rod 200 from continuing to extend or shorten. The limiting block 9 can be a stud, and the limiting block 9 is threaded or welded to the inner rod 4.

[0052] See Figure 6 , Figure 10 and Figure 11 As shown, the inner turntable 5 has a protrusion 502 on its outer circumferential surface, and the outer turntable 300 has an annular groove 12 on its inner wall. The groove 12 is concentric with the outer turntable 300. The protrusion 502 is inserted into the groove 12 to restrict the axial movement of the inner turntable 5 and the outer turntable 300.

[0053] In some embodiments, the outer turntable 300 can only rotate 180 degrees relative to the inner turntable 5. To achieve this, the protrusion 502 only surrounds half a circle around the inner turntable 5. A limiting pin 13 is provided on the outer turntable 300, and at least a portion of the limiting pin 13 is inserted into the groove 12. For a specific implementation, the installation method of the limiting pin 13 can be found in [reference needed]. Figure 12 As shown, a circular hole facing the center of the outer turntable 300 is opened on the outer wall of the outer turntable 300. The limiting pin 13 is inserted into the circular hole and the inner end of the limiting pin 13 extends into the groove 12. When the outer turntable 300 is rotated, the part of the limiting pin 13 that extends into the groove 12 can only move around the center of the inner turntable 5 between the two ends of the protrusion 502.

[0054] In order to facilitate the installation of the outer rotating disc 300 and the inner rotating disc 5, the outer rotating disc 300 comprises an upper disc body 10 and a lower disc body 11, both of which are annular and coaxially arranged, the lower end of the upper disc body 10 is provided with a first cut groove 1001, the upper end of the lower disc body 11 is provided with a second cut groove 1101, the lower end of the upper disc body 10 is connected with the upper end of the lower disc body 11 and the first cut groove 1001 and the second cut groove 1101 are combined into a groove 12, and the pipe holder 6 is fixedly connected with the upper disc body 10. Referring to Figure 6 and Figure 12 As shown, a through hole can be arranged on the upper disc body 10 and the lower disc body 11, a threaded hole corresponding to the through hole is arranged on the bottom surface of the pipe holder 6, and the upper disc body 10, the lower disc body 11 and the pipe holder 6 are connected together through a bolt 16.

[0055] Referring to Figure 13 As shown, in some embodiments, the pipe hole 601 is a cylindrical hole, the axis of the pipe hole 601 is parallel to the upper end surface of the pipe holder 6 and is located between the upper end surface and the lower end surface of the pipe holder 6, the distance between the axis of the pipe hole 601 and the upper end surface of the pipe holder 6 is less than the radius of the pipe hole 601, and the inner diameter of the pipe hole 601 is substantially the same as the outer diameter of the blood collection tube 17 to be inserted, so that the blood collection tube 17 can be clamped and fixed in the pipe hole 601 after being inserted into the pipe hole 601. Referring to Figure 3 As shown, when the blood collection tube 17 is inserted into the pipe hole 601, the blood collection tube 17 cannot be pulled out from the upper end surface of the pipe holder 6.

[0056] In some embodiments, the cross section of the pipe hole 601 is Figure 14 and Figure 15 As shown, the upper end of the pipe holder 6 is provided with a transparent cover plate 14, the extension direction of the pipe hole 601 is parallel to the cover plate 14, the width and the depth of the U-shaped are respectively substantially the same as the outer diameter of the blood collection tube to be inserted, so that the blood collection tube 17 can be clamped and fixed in the pipe hole 601 after being inserted into the pipe hole 601. The cover plate 14 can be made of colorless and transparent materials (such as acrylic, glass, etc.), and the amount of blood in the blood collection tube 17 can be observed through the cover plate 14. In addition to the detachable connection between the cover plate 14 and the pipe holder 6, the cover plate 14 and the pipe holder 6 can also be fixed by welding or gluing.

[0057] In some embodiments, the cross section of the pipe hole 601 is rectangular as shown. Figure 16

[0058] The number of pipe holes 601 on the pipe holder 6 in the utility model can be multiple, for example, three or more. When the number of pipe holes 601 is multiple, the multiple pipe holes 601 are parallel to each other.

[0059] ​The blood collection tube fixing device provided by the utility model can adjust the height of the tube holder 6 up and down, and can rotate the tube holder 6 at multiple angles to adjust the orientation of the blood collection tube 17, so that the blood collection tube fixing device can meet the requirements of different patients and blood drawing operators in height, sitting posture and relative position. The blood collection tube fixing device is movable as a whole and has the advantage of small floor area, and will not affect the placement of other articles and can be applied to most blood drawing operation occasions. More importantly, the blood collection tube fixing device reduces the difficulty of special blood vessel blood drawing, solves the problem that special blood vessel blood drawing cannot be operated by a single person, saves human resources, and is beneficial to shortening the blood drawing time of special blood drawing patients.

[0060] The utility model is supported by the high-level Chinese medicine hospital "young talent special project" project of China Academy of Chinese Medical Sciences Ophthalmology Hospital, project number: GSP5-07, project name: curative effect observation of ear acupoint press needle in advance analgesia in whole retina photocoagulation (PRP) operation.

[0061] So far, the embodiments of the application have been described in detail. In order to avoid obscuring the concept of the application, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0062] Although some specific embodiments of the application have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, not for limiting the scope of the application. Those skilled in the art should understand that the above embodiments can be modified or some technical features can be replaced equivalently without departing from the scope and spirit of the application. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way.

Claims

1. A blood collection tube fixator, characterized in that, include: Base; A telescopic rod, the length of which is extendable and the lower end of which is pivotally connected to the base; An inner turntable, which is pivotally connected to the upper end of the telescopic rod; An outer turntable, which is fitted around the outside of the inner turntable and can rotate about the center of the inner turntable; and The tube support is fixedly connected to the outer turntable, and the tube support is provided with a tube hole that allows blood collection tubes to be inserted and fixed therein.

2. The blood collection tube fixator according to claim 1, characterized in that: The base includes a base plate and a chassis located above the base plate. The chassis is fixedly connected to the base plate, and the lower end of the telescopic rod is pivotally connected to the chassis.

3. The blood collection tube fixator according to claim 2, characterized in that: The telescopic rod includes an outer rod and an inner rod. The upper end of the outer rod is provided with a socket. The inner rod is inserted into the socket and can slide along the length of the outer rod. The lower end of the outer rod is pivotally connected to the chassis. The inner turntable is pivotally connected to the upper end of the inner rod.

4. The blood collection tube fixator according to claim 3, characterized in that: The upper end of the chassis has a first hinge block, and the lower end of the outer rod is pivotally connected to the first hinge block via a first pivot; the lower end of the inner turntable has a second hinge block, and the upper end of the inner rod is pivotally connected to the second hinge block via a second pivot.

5. The blood collection tube fixator according to claim 3, characterized in that: The outer rod is provided with a slide rail that communicates with the insertion hole. The extension direction of the slide rail is consistent with the length direction of the outer rod. There is a gap between the two ends of the slide rail and the two ends of the outer rod. A limiting block that is fixedly connected to the inner rod is provided inside the slide rail.

6. The blood collection tube fixator according to claim 1, characterized in that: The inner turntable has a protrusion on its outer circumference, and the outer turntable has an annular groove on its inner wall. The groove is concentric with the outer turntable, and the protrusion is inserted into the groove.

7. The blood collection tube fixator according to claim 6, characterized in that: The protrusion surrounds half a circle of the inner turntable, and a limiting pin is provided on the outer turntable, at least a portion of which is inserted into the groove.

8. The blood collection tube fixator according to claim 6, characterized in that: The outer turntable includes an upper plate and a lower plate arranged coaxially. The lower end of the upper plate is provided with a first groove, and the upper end of the lower plate is provided with a second groove. The lower end of the upper plate is connected to the upper end of the lower plate, and the first groove and the second groove are combined to form the groove. The tube support is fixedly connected to the upper plate.

9. The blood collection tube fixator according to any one of claims 1 to 8, characterized in that: The tube hole is a cylindrical hole, and the axis of the tube hole is parallel to the upper end face of the tube support and located between the upper and lower end faces of the tube support. The distance between the axis of the tube hole and the upper end face of the tube support is less than the radius of the tube hole.

10. The blood collection tube fixator according to any one of claims 1 to 8, characterized in that: The cross-section of the tube hole is U-shaped or rectangular, and the upper end of the tube support is provided with a transparent cover plate. The extension direction of the tube hole is parallel to the cover plate.

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