Marrow cavity infusion fixing device

Abstract

A marrow cavity infusion fixing device comprises a base, the base comprises a first pivot joint part and a second pivot joint part which are in pivot joint with each other, a first clamping part and a second clamping part are arranged on the same sides of the first pivot joint part and the second pivot joint part respectively, and the first clamping part and the second clamping part are opened and closed along with the first pivot joint part and the second pivot joint part respectively. When the first clamping part and the second clamping part are closed, a needle handle part of the bone marrow puncture needle can be clamped, and when the first pivoting part and the second pivoting part are closed, a gap between the first pivoting part and the second pivoting part is larger than the radial size of a needle body of the bone marrow puncture needle; the bone marrow puncture needle further comprises a fixing belt, the two ends of the fixing belt are connected to the two sides, away from each other, of the first pivot joint part and the second pivot joint part respectively, the base is fixed to the body surface of a patient through the fixing belt, the bone marrow puncture needle is fixed to the body surface of the patient through the fixing device, and the phenomenon that the bone marrow puncture needle shakes, shifts, disengages and even falls off in the transferring process of the patient is avoided; and secondary damage is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, in particular to a bone marrow cavity infusion fixing device. Background Art

[0002] Intraosseous infusion (IO technology) is a route of administration that utilizes the rich vascular network in the bone marrow cavity to inject liquids and drugs into the blood circulation through the bone marrow cavity. It is an emergency infusion method established under special circumstances. The most commonly used puncture point is the proximal end of the tibia. A special bone marrow puncture cannula is inserted or drilled into the bone marrow cavity. The bone marrow puncture cannula is connected to an external infusion device, and the non-collapsible microvenous network in the bone marrow cavity is used to inject drugs and liquids into the blood circulation through the bone marrow cavity. This technology is often used for emergency rescue in pre-hospital emergency care, emergency rescue, combat injury treatment and other emergency situations. During the transfer process and subsequent transport of patients after bone marrow cavity infusion and medication emergency treatment, the puncture needle is in an unfixed state and there is a risk of dislocation, falling off, and displacement, but existing medical equipment lacks a dedicated fixation device for bone marrow puncture cannula needles. Utility Model Content

[0003] In view of the shortcomings of the background technology, the purpose of the utility model is to provide a bone marrow cavity infusion fixation device.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A bone marrow cavity infusion fixing device comprises a base, wherein the base comprises a first pivot part and a second pivot part pivotally connected to each other, a first clamping part and a second clamping part are respectively provided on the same side of the first pivot part and the second pivot part, the first clamping part and the second clamping part can clamp the handle part of the bone marrow puncture needle when closed, and the gap between the first pivot part and the second pivot part when closed is larger than the radial dimension of the bone marrow puncture needle body; and further comprises a fixing belt, the two ends of the fixing belt are respectively connected to the two sides away from the first pivot part and the second pivot part, and the base is fixed to the patient's body surface by the fixing belt.

[0006] Furthermore, a pivot device is provided between the first pivot part and the second pivot part, one end of the pivot device abuts against the first pivot part, and the other end of the pivot device abuts against the second pivot part, so that the first pivot part and the second pivot part are closed under the elastic force of the pivot device.

[0007] Furthermore, the pivot device includes a pivot shaft and a torsion spring, the torsion spring is sleeved outside the pivot shaft, the first pivot part and the second pivot part are pivoted to the pivot shaft, and one end of the torsion spring abuts against the first pivot part, and the other end of the torsion spring abuts against the second pivot part.

[0008] Furthermore, anti-slip pads are provided on the inner surfaces of the first clamping part and the second clamping part.

[0009] Furthermore, the surface of the anti-skid pad is provided with anti-skid patterns.

[0010] Furthermore, the anti-slip pattern is composed of wave crests and wave troughs spaced apart from each other, and the anti-slip pattern is perpendicular to the axial direction of the handle of the bone marrow puncture needle.

[0011] Furthermore, the base height is 1-3 cm.

[0012] Furthermore, the fixing belt includes a fabric and a lining arranged in the fabric.

[0013] Furthermore, the fabric is made of breathable material, and the lining is made of sponge.

[0014] Furthermore, the fixing strap includes a first fixing strap and a second fixing strap, the first fixing strap and the second fixing strap are respectively connected to the side away from the outer side of the first pivot part and the second pivot part, one of the surfaces of the first fixing strap and the second fixing strap is provided with a rough surface, and the other is provided with a hook surface bonded to the rough surface.

[0015] The beneficial effects of the utility model are:

[0016] 1. The utility model proposes a bone marrow cavity infusion fixing device, which clamps the handle of the bone marrow puncture needle by the first clamping part and the second clamping part, and when the first clamping part and the second clamping part clamp the handle of the bone marrow puncture needle, the first pivot part and the second pivot part do not contact the body of the bone marrow puncture needle, thereby preventing the needle body from being damaged by pressure; and further comprises a fixing belt, the two ends of which are respectively connected to the side away from the first pivot part and the second pivot part. When in use, the fixing device is tied to the patient's body surface by the fixing belt, and the bone marrow puncture needle is fixed to the patient's body surface by the fixing device, thereby preventing the bone marrow puncture needle from shaking, shifting, falling out or even falling off during the transfer of the patient, thereby preventing secondary injury.

[0017] 2. The utility model proposes a bone marrow cavity infusion fixing device, in which the first pivotal part and the second pivotal part are automatically retracted under the action of the torsion spring, thereby driving the first clamping part and the second clamping part to clamp the handle of the bone marrow puncture needle, which is easy to operate.

[0018] 3. The utility model proposes a bone marrow cavity infusion fixing device, wherein the inner surfaces of the first clamping part and the second clamping part are provided with anti-skid pads, and the surfaces of the anti-skid pads are provided with anti-skid patterns to enhance the clamping force between the handle of the bone marrow puncture needle and the first clamping part and the second clamping part.

[0019] 4. The utility model proposes a bone marrow cavity infusion fixation device, wherein the fixing belt includes a fabric and an inner lining arranged inside the fabric, wherein the fabric is made of a breathable material, and the inner lining is made of a sponge, which can increase the comfort of the patient during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of a clamping state of a bone marrow cavity infusion fixing device of the utility model;

[0022] Figure 2 This is a schematic diagram of a loosened state of a bone marrow cavity infusion fixing device of the utility model;

[0023] Figure 3 This is an exploded view of a bone marrow cavity infusion fixation device of the utility model;

[0024] Figure 4 This is a working schematic diagram of a bone marrow cavity infusion fixation device of the utility model;

[0025] Figure 5 for Figure 3 A partial enlarged view of point A in the middle.

[0026] In the figure, 101, first pivot part; 102, second pivot part; 201, first clamping part; 202, second clamping part; 301, first fixing belt; 302, second fixing belt; 401, pivot shaft; 402, torsion spring; 50, anti-slip pad; 501, anti-slip texture; 601, bone marrow puncture needle handle; 602, bone marrow puncture needle body. DETAILED DESCRIPTION

[0027] Combine the following Figure 1-5 The utility model is described in detail.

[0028] A bone marrow cavity infusion fixing device comprises a base, wherein the base comprises a first pivoting portion 101 and a second pivoting portion 102 pivotally connected to each other, wherein a first clamping portion 201 and a second clamping portion 202 are respectively arranged on the same side of the first pivoting portion 101 and the second pivoting portion 102, wherein the first clamping portion 201 and the second clamping portion 202 can clamp a bone marrow puncture needle handle 601 when closed, and a gap between the first pivoting portion 101 and the second pivoting portion 102 when closed is larger than a radial dimension of a bone marrow puncture needle body 602, thereby preventing the needle body from being damaged by pressure; and further comprises a fixing belt, wherein two ends of the fixing belt are respectively connected to two sides away from the first pivoting portion 101 and the second pivoting portion 102, and the base is fixed to the patient's body surface by the fixing belt.

[0029] Therefore, the bone marrow puncture needle is fixed to the patient's body surface by the fixing device proposed in the utility model, so as to prevent the bone marrow puncture needle from shaking, shifting, coming out or even falling off during the transfer of the patient, thereby preventing secondary injury.

[0030] In this embodiment, a pivot device is provided between the first pivot part 101 and the second pivot part 102, one end of the pivot device abuts against the first pivot part 101, and the other end of the pivot device abuts against the second pivot part 102, so that the first pivot part 101 and the second pivot part 102 are closed under the elastic force of the pivot device. Further, the pivot device includes a pivot shaft 401 and a torsion spring 402, the torsion spring 402 is sleeved outside the pivot shaft 401, the first pivot part 101 and the second pivot part 102 are pivoted to the pivot shaft 401, and one end of the torsion spring 402 abuts against the first pivot part 101, and the other end of the torsion spring 402 abuts against the second pivot part 102, therefore, the first pivot part 101 and the second pivot part 102 are automatically retracted under the action of the torsion spring 402, thereby driving the first clamping part 201 and the second clamping part 202 to clamp the bone marrow puncture needle handle 601, and the operation is convenient.

[0031] In this embodiment, an anti-slip pad 50 is provided on the inner surface of the first clamping portion 201 and the second clamping portion 202, and an anti-slip pattern 501 is provided on the surface of the anti-slip pad 50. The anti-slip pattern 501 is composed of mutually spaced peaks and troughs, and the anti-slip pattern 501 is perpendicular to the axial direction of the bone marrow puncture needle handle 601, thereby enhancing the clamping force between the bone marrow puncture needle handle 601 and the first clamping portion 201 and the second clamping portion 202.

[0032] In this embodiment, the base height is 1-3 cm, so as to be suitable for bone marrow puncture needles of different models.

[0033] In this embodiment, the fixing belt includes a fabric and an inner lining arranged in the fabric, the fabric is made of a breathable material, and the inner lining is made of a sponge, so as to improve the comfort of the patient when using it. Further, the fixing belt includes a first fixing belt 301 and a second fixing belt 302, the first fixing belt 301 and the second fixing belt 302 are respectively connected to the outer side of the first pivot part 101 and the second pivot part 102 away from each other, one of the surfaces of the first fixing belt 301 and the second fixing belt 302 is provided with a fur surface, and the other is provided with a hook surface bonded to the fur surface, and the characteristics of rapid bonding and disassembly between the fur surface and the hook surface facilitate medical staff to quickly fix or disassemble the bone marrow puncture needle fixing device to the patient.

[0034] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable those skilled in the art to understand the content of the utility model and implement it, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A bone marrow cavity infusion fixation device, characterized in that: The invention comprises a base, wherein the base comprises a first pivot part and a second pivot part pivotally connected to each other, wherein a first clamp part and a second clamp part are respectively arranged on the same side of the first pivot part and the second pivot part, wherein the first clamp part and the second clamp part can clamp the handle part of the bone marrow puncture needle when closed, and a gap between the first pivot part and the second pivot part when closed is larger than a radial dimension of the needle body of the bone marrow puncture needle; and the invention also comprises a fixing belt, wherein two ends of the fixing belt are respectively connected to two sides away from the first pivot part and the second pivot part, and the base is fixed to the patient's body surface through the fixing belt.

2. A bone marrow cavity infusion fixation device according to claim 1, characterized in that: A pivot device is provided between the first pivot part and the second pivot part, one end of the pivot device abuts against the first pivot part, and the other end of the pivot device abuts against the second pivot part, so that the first pivot part and the second pivot part are closed under the elastic force of the pivot device.

3. A bone marrow cavity infusion fixation device according to claim 2, characterized in that: The pivot device includes a pivot shaft and a torsion spring, the torsion spring is sleeved outside the pivot shaft, the first pivot part and the second pivot part are pivoted to the pivot shaft, and one end of the torsion spring abuts against the first pivot part, and the other end of the torsion spring abuts against the second pivot part.

4. A bone marrow cavity infusion fixation device according to claim 1, characterized in that: The inner surfaces of the first clamping part and the second clamping part are provided with anti-slip pads.

5. A bone marrow cavity infusion fixation device according to claim 4, characterized in that: The surface of the anti-skid pad is provided with anti-skid patterns.

6. A bone marrow cavity infusion fixation device according to claim 5, characterized in that: The anti-slip pattern is composed of wave crests and wave troughs spaced apart from each other, and the anti-slip pattern is perpendicular to the axial direction of the handle of the bone marrow puncture needle.

7. A bone marrow cavity infusion fixation device according to claim 1, characterized in that: The base height is 1-3 cm.

8. The bone marrow cavity infusion fixation device according to claim 1, characterized in that: The fixing belt comprises a fabric and a lining arranged in the fabric.

9. A fixation device for intramedullary infusion according to claim 8, characterized in that: The fabric is made of breathable material, and the lining is made of sponge.

10. A fixation device for intraosseous infusion according to claim 9, characterized in that: The fixing belt includes a first fixing belt and a second fixing belt, wherein the first fixing belt and the second fixing belt are respectively connected to the first pivot part and the second pivot part on the outside and away from the side, and one of the surfaces of the first fixing belt and the second fixing belt is provided with a rough surface, and the other is provided with a hook surface bonded to the rough surface.

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