CN219184038U

CN219184038U - Fixer for intra-osseous transfusion

Info

Publication number: CN219184038U
Application number: CN202320568762.6U
Authority: CN
Inventors: 蒲霞; 黄丽萍
Original assignee: Shanghai East Hospital Tongji University Affiliated East Hospital
Current assignee: Shanghai East Hospital Tongji University Affiliated East Hospital
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-06-16
Anticipated expiration: 2033-03-20

Abstract

The application relates to the field of medical equipment, discloses an intraosseous transfusion fixer, establishes the sealed cowling on the trocar joint including the cover, has seted up the screw groove in the sealed cowling, and the installation end on the trocar joint can be dismantled and set up in the screw groove of sealed cowling, has seted up the transfusion hole that is linked together with the screw groove on the sealed cowling, and sealed cowling bottom is provided with annular fixed subsides, and annular fixed subsides are on patient's skin. The annular fixing patch which is integrally arranged through the sealing cover is used for sealing and fixing the trocar, so that the joint of the trocar is in a complete sealing state, the sealing and fixing effects of the fixer are improved, the infection of a patient puncture point is reduced, and the risk of catheter-related blood flow infection is reduced.

Description

Fixer for intra-osseous transfusion

Technical Field

The application relates to the field of medical instruments, in particular to a fixer for intra-osseous transfusion.

Background

The intra-osseous transfusion uses rich vascular networks in the bone marrow cavity to introduce drugs and fluids into the blood circulation. The method has the advantages of wide indication, simple and convenient operation, rapidness, safety and high success rate, and wins precious time for rescue work.

Referring to fig. 1, currently, there are two types of trocars used for intra-osseous infusion, the first type is a first trocars 10 driven manually or electrically, the portion of the first trocars 10 left outside the patient is a plastic joint, the diameter of the plastic joint is large, and the plastic joint is cylindrical; the second type is an electrically driven second trocar 11, the second trocar 11 can be injected into the bone of a patient by using a bone injection gun, the second trocar 11 is reserved outside the patient and is provided with an alloy joint, the diameter of the alloy joint is smaller, and the alloy joint is cuboid. The ends of the alloy joint and the plastic joint are respectively provided with a mounting end for connecting with the infusion tube.

After the trocar is injected into the bone of a patient, the fixing patch with the hole is attached to the peripheral side of the trocar, the trocar is positioned in the hole, and the fixing patch is used for fixing the trocar. After the trocar is fixed, the infusion tube can be connected with the mounting end of the trocar, so that the intraosseous infusion can be carried out on a patient.

Because the used fixing patch is required to penetrate out of the hole from the joint of the intraosseous infusion trocar, the fixing patch is not a complete airtight film, and the hole of the fixing patch is not in physical connection with the trocar, the sliding easily occurs between the joint of the trocar and the fixing patch, the sealing property of the fixing patch is poor, and thus, the infection easily occurs around a puncture point and connected with the outside.

Disclosure of Invention

In order to solve the problem that the sealing and fixing effect of the fixing patch on the trocar are poor, the application provides an intraosseous transfusion fixator.

The application provides an intraosseous infusion is with fixer adopts following technical scheme:

the utility model provides an intraosseous transfusion fixer, establishes the sealed cowling on the trocar joint including the cover, set up the screw thread groove in the sealed cowling, the installation end on the trocar joint can dismantle the setting in the screw thread groove of sealed cowling, set up the transfusion hole that is linked together with the screw thread groove on the sealed cowling, the sealed cowling bottom is integrative to be provided with annular fixed subsides, annular fixed subsides are on patient's skin.

Through adopting above-mentioned technical scheme, after the trocar is injected into patient's bone, establish the sealed cowling cover on the joint of trocar earlier, rotate the sealed cowling and make the installation end sealed installation of joint in the seal groove of sealed cowling, with annular fixed subsides again attached fixing on patient's skin, with the open end that the transfer line is connected to the transfusion hole when needing the fluid infusion, in the liquid medicine flowed into the installation end of trocar through the transfusion hole, again flowed into patient's bone through the trocar. So set up, use sealed cowling cooperation annular to fix to seal fixed to the trocar for the joint of trocar is in complete sealing state, thereby has improved the sealed effect of fixer, has reduced the condition that patient's puncture point appears infecting, and the fixed pad pasting of integral type annular reduces the pad pasting and the slip degree between the trocar, has improved fixed stability.

Preferably, the transfusion hole is arranged along the diameter direction of the sealing cover.

By adopting the technical scheme, after the infusion tube is connected with the sealing cover, the infusion tube is perpendicular to the axial direction of the trocar. By the arrangement, the residual height of the infusion tube on the body surface is reduced, and therefore the risk of bending and even breaking of the infusion tube is reduced.

Preferably, a plurality of infusion holes are formed, and the infusion holes are formed at intervals along the circumferential direction of the sealing cover.

By adopting the technical scheme, a plurality of infusion holes can be connected with a plurality of infusion tubes, so that simultaneous injection of a plurality of medicines can be realized.

Preferably, the sealing cover is positioned at the opening end of the infusion hole and is integrally provided with a positive pressure connector.

Through adopting above-mentioned technical scheme, use the malleation to connect for be continuous malleation in the transfusion hole after the infusion finishes, reduce the backward flow of blood in the trocar, guaranteed the unobstructed nature in the trocar, and no sharp ware design has reduced medical personnel's needle puncture incidence.

Preferably, the sealing cover is internally provided with a limiting ring groove, and the plastic connector is positioned in the limiting ring groove of the sealing cover.

Through adopting above-mentioned technical scheme, when attaching fixedly to first trocar, the sealed cowling cover is established on the plastics connects, and the plastics connects at this moment and is located spacing annular, and spacing annular carries out spacing fixedly to the plastics and connects to make the plastics connect more stable.

Preferably, the sealing cover is detachably arranged in the limiting ring groove, a through hole is formed in the limiting sleeve, and the alloy joint is positioned in the through hole of the limiting sleeve.

Through adopting above-mentioned technical scheme, when attaching fixedly to the second trocar, put into spacing annular earlier with the stop collar in, establish the sealed cowling on the alloy joint again, the alloy joint is located the through-hole of stop collar this moment, and the through-hole is spacing fixed to the alloy joint to make the alloy joint more stable, realized the purpose that two kinds of pjncture needles on the market at present all can be used.

Preferably, the annular fixing patch is a low-sensitivity polyurethane dressing.

Through adopting above-mentioned technical scheme, the dressing that polyurethane material made has the plasticity degree height, ventilative waterproof function, and low sensitivity pressure sensitive adhesive has promoted patient's comfort level when guaranteeing that the dressing has enough viscidity.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the trocar is sealed and fixed by adopting the sealing cover to be matched with the annular fixing paste, so that the joint of the trocar is in a complete sealing state, the sealing effect of the fixer is improved, and the infection of a puncture point of a patient is reduced;

2. by adopting the mode of arranging a plurality of infusion holes, the simultaneous injection of a plurality of medicines can be realized, and the rescue efficiency is improved;

3. by adopting the positive pressure connector, the infusion hole is continuously positive pressure after the infusion is finished, the residue of blood in the trocar is reduced, the smoothness in the trocar is ensured, and the incidence rate of needle stick injuries of medical staff is reduced;

4. the universal condition of trocars of different brands is realized by adopting the limiting sleeve;

5. the height of the fixer protruding from the body surface is reduced, and the risk of accidental bending and even fracture of the trocar is reduced.

Drawings

FIG. 1 is a schematic view of a trocar in the background of the present application;

FIG. 2 is a schematic view of the overall structure of the intraosseous infusion anchor of the present application;

FIG. 3 is a partial cross-sectional view of an intraosseous infusion anchor according to the present application;

fig. 4 is a cross-sectional view showing the overall structure of the intraosseous infusion anchor of the present application.

Reference numerals illustrate: 1. a sealing cover; 2. a thread groove; 3. an infusion hole; 4. an annular fixing patch; 5. a positive pressure joint; 7. a limit ring groove; 8. a limit sleeve; 9. a through hole; 10. a first trocar; 11. a second trocar.

Detailed Description

The present application is described in further detail below in conjunction with figures 2-4.

The embodiment of the application discloses an intraosseous infusion fixator.

Referring to fig. 2 and 3, an intraosseous infusion anchor includes a cylindrical seal cap 1, one end of the seal cap 1 in an axial direction is provided with an opening, and the seal cap 1 is provided over a joint of a trocar. The open end of the sealing cover 1 is internally provided with a limit ring groove 7, the middle part of the top wall of the inner cavity of the sealing cover 1 is provided with a thread groove 2 communicated with the limit ring groove 7, and the thread of the installation end on the joint is detachably installed in the thread groove 2 of the sealing cover 1.

When the first trocar 10 needs to be fixed, the sealing cap 1 is rotated so that the mounting end of the first trocar 10 is mounted in the thread groove 2, and the sealing cap 1 can be connected with the first trocar 10. At the same time, the plastic joint of the first trocar 10 is matched and matched in the limit ring groove 7, so that the first trocar 10 is limited and fixed.

Referring to fig. 3 and 4, the seal cover 1 is located in the limit ring groove 7, a limit sleeve 8 is rotatably and detachably installed, the outer side wall of the limit sleeve 8 is abutted against the inner side wall of the seal cover 1 located in the limit ring groove 7, and a through hole 9 with a rectangular cross section is formed in the limit sleeve 8 along the axis direction of the seal cover 1.

When the second trocar 11 needs to be fixed, the limiting sleeve 8 is sleeved on the alloy joint of the second trocar 11, at the moment, the alloy joint is matched in the through hole 9, the sealing cover 1 is covered on the second trocar 11, the limiting sleeve 8 enters the limiting ring groove 7, the sealing cover 1 is rotated, the mounting end of the second trocar 11 is mounted in the thread groove 2, and the sealing cover 1 can be connected with the second trocar 11. At the same time, the alloy joint of the second trocar 11 is matched and matched in the through hole 9, so that the second trocar 11 is limited and fixed. The limit sleeve 8 is used for realizing the purpose that the fixer can be used for two puncture needles on the market at present.

One side of the outer side wall of the sealing cover 1 close to the opening end is integrally and fixedly provided with an annular fixing patch 4, the annular fixing patch 4 is attached to the skin of a patient, and the annular fixing patch 4 can be selected as a low-sensitivity polyurethane dressing. The dressing made of the transparent polyurethane material has the functions of high plasticity, ventilation and water resistance, and the low-sensitivity pressure-sensitive adhesive ensures that the dressing has enough viscosity and improves the comfort level of patients. Seal cover 1 cooperates annular fixed subsides 4 to seal fixedly to the trocar for the joint of trocar is in complete sealing state, thereby has improved the sealed effect of fixer, has reduced the condition that patient's puncture point appears infecting, and the fixed subsides of integral type annular reduces the pad pasting and has improved fixed stability with the trocar slip degree.

Two transfusion holes 3 are arranged at one end of the sealing cover 1 far away from the opening, and the two transfusion holes 3 are arranged along the diameter direction of the sealing cover 1 and are communicated with the thread groove 2. In this application, infusion hole 3 still can offer three or four or more, and a plurality of infusion holes 3 are offered along the equidistant circumference of sealed cowling 1, and a plurality of infusion holes 3 all are linked together with thread groove 2, and sealed cowling 1 is located the equal sealed fixed mounting of open end of every infusion hole 3 and has positive pressure joint 5.

After the sealing cover 1 is sealed and fixed, a plurality of infusion tubes of the infusion tube are connected with a plurality of positive pressure connectors 5, and the liquid medicine flows into the infusion hole 3 from the positive pressure connectors 5, flows into the trocar from the infusion hole 3 and finally flows into bones of a patient. A plurality of infusion holes 3 are formed, so that a plurality of medicines can be injected simultaneously, the rescue efficiency is improved, the positive pressure connector 5 reduces the reflux of blood in the trocar, the smoothness in the trocar is ensured, and the incidence rate of needle stick injuries of medical staff is reduced. Meanwhile, the infusion tube is perpendicular to the axial direction of the trocar, so that the residual height of the infusion tube on the body surface is reduced, and the risk of bending and even breaking of the infusion tube is reduced.

The implementation principle of the embodiment of the application is as follows: when the first trocar 10 needs to be fixed, the sealing cover 1 is rotated, so that the sealing cover 1 can be connected with the first trocar 10; when the second trocar 11 needs to be fixed, the limiting sleeve 8 is sleeved on the alloy joint of the second trocar 11, then the sealing cover 1 is covered on the second trocar 11, the limiting sleeve 8 enters the limiting ring groove 7, and the sealing cover 1 is rotated to connect the sealing cover 1 with the second trocar 11. After the trocar is fixed, the annular fixing patch 4 is attached to the skin of a patient, and the sealing cover 1 is matched with the annular fixing patch 4 to seal and fix the trocar, so that the joint of the trocar is in a complete sealing state, the sealing and fixing effects of the fixer are improved, and the infection of a puncture point of the patient is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An intra-osseous infusion fixator, characterized in that: including cover establish sealed cowling (1) on trocar joint, set up thread groove (2) in sealed cowling (1), the installation end on the trocar joint can dismantle the setting in thread groove (2) of sealed cowling (1), set up infusion hole (3) that are linked together with thread groove (2) on sealed cowling (1), sealed cowling (1) bottom an organic whole is provided with annular fixed subsides (4), annular fixed subsides (4) are attached on patient's skin.

2. An intraosseous infusion anchor according to claim 1, wherein: the transfusion hole (3) is arranged along the diameter direction of the sealing cover (1).

3. An intraosseous infusion anchor according to claim 1, wherein: a plurality of infusion holes (3) are formed, and the infusion holes (3) are formed at intervals along the circumferential direction of the sealing cover (1).

4. An intraosseous infusion anchor according to claim 1, wherein: the sealing cover (1) is positioned at the opening end of the transfusion hole (3) and is integrally provided with a positive pressure joint (5).

5. An intraosseous infusion anchor according to claim 1, wherein: a limiting ring groove (7) is formed in the sealing cover (1), and a plastic connector is located in the limiting ring groove (7) of the sealing cover (1).

6. An intraosseous infusion anchor as claimed in claim 5, wherein: the sealing cover (1) is arranged in the limit ring groove (7) and is detachably provided with a limit sleeve (8), a through hole (9) is formed in the limit sleeve (8), and the alloy joint is arranged in the through hole (9) of the limit sleeve (8).

7. An intraosseous infusion anchor according to claim 1, wherein: the annular fixing patch (4) is a low-sensitivity polyurethane dressing.