CN115919302B - Retractable blood oxygen line - Google Patents
Retractable blood oxygen line Download PDFInfo
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- CN115919302B CN115919302B CN202310249367.6A CN202310249367A CN115919302B CN 115919302 B CN115919302 B CN 115919302B CN 202310249367 A CN202310249367 A CN 202310249367A CN 115919302 B CN115919302 B CN 115919302B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention provides a telescopic blood oxygen line, and relates to the technical field of medical appliances. The utility model provides a scalable blood oxygen line, includes blood oxygen line main part, the rotatory winding in surface of blood oxygen line main part is provided with flexible box, blood oxygen line main part includes outer tube layer, the fixed flexible layer that is provided with of inner wall on outer tube layer, the fixed heat-absorbing layer that is provided with of inner wall on flexible layer, the fixed filling layer that is provided with in inner wall on heat-absorbing layer, the fixed support column that is provided with in centre department of filling layer, the even fixed three elastic dividing plate that is provided with in surface of support column, three the opposite side of elastic dividing plate is all fixed with the heat-absorbing layer and is set up, three all fixed the inner core layer that is provided with between the elastic dividing plate, flexible box includes the box body shell, the up end joint of box body shell is provided with the lid. The blood oxygen line main body is wound on the fixed cylinder through the rotary handle, the fixed rod and the fixed clamping rod, and stretches and contracts with different lengths.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a retractable blood oxygen line.
Background
The blood oxygen line is a special wire for measuring the blood oxygen saturation of the human body, is used for connecting various medical probes, acquires physiological signals of a patient through the blood oxygen probes, and then transmits the signals to the blood oxygen saturation of the human body through the blood oxygen line.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a telescopic blood oxygen wire, which solves the problem that the length of the blood oxygen wire is fixed and can not stretch and stretch when in use.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the telescopic blood oxygen line comprises a blood oxygen line main body, wherein a telescopic box is arranged on the surface of the blood oxygen line main body in a rotating winding mode, the blood oxygen line main body comprises an outer tube layer, a flexible layer is fixedly arranged on the inner wall of the outer tube layer, a heat absorption layer is fixedly arranged on the inner wall of the flexible layer, a filling layer is fixedly arranged on the inner wall of the heat absorption layer, supporting columns are fixedly arranged in the middle of the filling layer, and three elastic dividing plates are uniformly and fixedly arranged on the surface of each supporting column;
the other sides of the three elastic dividing plates are fixedly arranged with the heat absorption layer, an inner core layer is fixedly arranged between the three elastic dividing plates, the telescopic box comprises a box body shell, the upper end face of the box body shell is clamped with a box cover, a rotary handle is arranged in the middle of the upper end face of the box cover in a penetrating mode, a fixed clamping rod is fixedly arranged on the lower end face of the rotary handle, a fixed cylinder is connected in the middle of the inner bottom face of the box body shell in a rotating mode, a placing hole is formed in the middle of the upper end face of the fixed cylinder, the inside of the placing hole is movably connected with the fixed clamping rod, and a fixing rod is fixedly connected to the inner wall of one side of the box body shell close to the upper end of the box body shell;
the surface of the outer pipe layer is fixedly provided with an anti-corrosion layer, the three elastic partition plates comprise elastic column shells, the three elastic column shells are internally provided with heat dissipation holes, the inner core layer comprises an anti-cutting layer, the inner wall of the anti-cutting layer is fixedly provided with a waterproof layer, the inner wall of the waterproof layer is fixedly provided with an insulating layer, the inner wall of the insulating layer is fixedly provided with inner core copper, the filling layer comprises a flame-retardant layer, the inner wall of the flame-retardant layer is fixedly provided with a soft cushion, and the inner wall of the soft cushion is fixedly provided with a heat absorption block;
connecting holes are formed in the upper end and the lower end of the two sides of the box body shell, through holes are formed in the middle of the two sides of the fixed cylinder in a penetrating mode, the blood oxygen wire main body is wound with the fixed cylinder through the two connecting holes and the through holes, and the telescopic box is formed by hard plastics.
Preferably, the anti-corrosion layer is made by alternately brushing two layers of silicone oil and raw lacquer.
Preferably, the elastic column shell is made of the following components: the static electricity conducting wire comprises white latex and conducting wires, wherein the conducting wires are fixed in the white latex to conduct out static electricity, and the static electricity is dispersed.
Preferably, the anti-cutting layer is made of polyethylene and plastic elastomer in a mixing way, and the waterproof layer is made of the following modes: mixing and smearing the asphalt felt and the polymer material on the surface of the rubber layer.
Preferably, the insulating layer is made by mixing rubber molecules, insulators and various fibrous products, and the core copper is made by twisting a plurality of conductive copper together.
Preferably, the flame-retardant layer is prepared by spraying a fireproof paint on the surface of the flame-retardant chemical fiber, and the soft cushion is prepared from the following components: the silica gel is characterized in that the heat absorption block is prepared from the following components: glass wool.
Preferably, the preparation method of the telescopic blood oxygen line specifically comprises the following steps:
s1, preparation of an inner core
Sa. the plurality of soft copper wires are twisted and connected together to form a conductor;
sb. mixing and smelting rubber molecules, insulators and various fiber products, putting conductors into smelting materials, and cooling to room temperature;
sc. mixing felt with polymer material, brushing the mixed material onto the rubber layer, and wrapping the rubber layer with insulating material on the surface of the conductor;
sd. melting and mixing polyethylene and plastic elastomer, and wrapping on waterproof material;
s2, support preparation
Sa. the support column is made of elastic plastic by compression molding, and the elastic dividing plate is made of white latex with conductive wires inserted therein, and the elastic dividing plate is made of compression molding, and the middle of the elastic dividing plate is exposed with holes for conducting heat generated in blood oxygen line;
s3, filling preparation
Sa. the surface of the flame-retardant chemical fiber is sprayed with a certain amount of fireproof paint;
s4, integral preparation of blood oxygen line
Sa. the surface of the support column is uniformly and fixedly connected with three elastic dividing plates, and the heat absorbing block is fixed at the lower ends of the support column and the elastic dividing plates;
sb. the three inner core layers are taken out and evenly placed at the upper end of the heat absorption block, the soft cushion is plugged in from the gap of the inner core layers, so that the soft cushion is fixed, the flame-retardant layer is wrapped at the upper end of the inner core layers, and the elastic dividing plate is level with the flame-retardant layer;
sc. the heat absorption layer wraps the flame-retardant layer, the heat absorption layer is plugged into the flexible layer, the flexible layer and the outer pipe layer are plugged into the flame-retardant layer, and the anti-corrosion layer is brushed on the surface of the outer pipe layer;
sd. the prepared blood oxygen line main body is pulled out from the connecting hole at the other side through the connecting hole at one side of the box body shell and penetrates through the through hole, the box cover is covered, and the rotary hand wheel is rotated, so that the blood oxygen line main body is rotated and rolled.
(III) beneficial effects
The invention provides a retractable blood oxygen line. The beneficial effects are as follows:
1. the invention provides a telescopic blood oxygen line, which is characterized in that the blood oxygen line is pulled out from a connecting hole at one side of a telescopic box through a through hole through the connecting hole at the other side, so that a certain position is reached, a rotary handle is pulled, a fixing clamping rod is pulled up, the fixing clamping rod ascends from the inside of a placing hole, the fixing clamping rod cannot be limited, the fixing clamping rod is enabled to rotate to drive a fixing cylinder to rotate, the blood oxygen line is rotated and wound, the blood oxygen line main body is stretched for a certain length, and the blood oxygen line main body is used for different lengths.
2. The invention provides a telescopic blood oxygen line, which can ensure that a blood oxygen line main body has good bending property by being supported by an elastic dividing plate, a soft cushion and a flexible layer, and can ensure that the blood oxygen line main body has good heat dissipation property by a heat absorption block, an elastic column shell and a heat dissipation hole, so that the service life of the blood oxygen line main body is long, and the practicability of the blood oxygen line is enhanced.
Drawings
FIG. 1 is an overall schematic axial side view of the present invention;
FIG. 2 is a schematic overall front cross-sectional view of the present invention;
FIG. 3 is a schematic front cross-sectional view of the telescopic pod of the present invention;
FIG. 4 is an isometric view of a stationary cylinder of the present invention;
FIG. 5 is an isometric view of a blood oxygen line of the present invention;
FIG. 6 is a schematic side cross-sectional view of the present invention;
FIG. 7 is an enlarged schematic view of the invention at A;
FIG. 8 is an enlarged schematic view of the invention at B;
fig. 9 is a schematic side cross-sectional view of a fill layer of the present invention.
Wherein, 1, the blood oxygen line main body; 2. a telescopic box; 101. an outer tube layer; 102. a flexible layer; 103. a heat absorbing layer; 104. an anti-corrosion layer; 105. a support column; 106. an elastic dividing plate; 107. an inner core layer; 108. a filling layer; 10601. an elastic column housing; 10602. a heat radiation hole; 10701. a cut-preventing layer; 10702. a waterproof layer; 10703. an insulating layer; 10704. copper in the inner core; 10801. a flame retardant layer; 10802. a soft cushion; 10803. a heat absorbing block; 201. a box body shell; 202. a box cover; 203. rotating the handle; 204. fixing the clamping rod; 205. a fixed cylinder; 206. a through hole; 207. placing the hole; 208. a fixed rod; 209. and a connection hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1-9, the embodiment of the invention provides a retractable blood oxygen line, which comprises a blood oxygen line main body 1, wherein a retractable box 2 is rotationally wound on the surface of the blood oxygen line main body 1, the blood oxygen line main body 1 comprises an outer tube layer 101, a flexible layer 102 is fixedly arranged on the inner wall of the outer tube layer 101, a heat absorption layer 103 is fixedly arranged on the inner wall of the flexible layer 102, a filling layer 108 is fixedly arranged on the inner wall of the heat absorption layer 103, a support column 105 is fixedly arranged in the middle of the filling layer 108, and three elastic dividing plates 106 are uniformly and fixedly arranged on the surface of the support column 105;
the blood oxygen line main body 1 is connected, the telescopic box 2 can enable the blood oxygen line main body 1 to stretch and retract in different lengths, the outer tube layer 101 can protect the outside of the blood oxygen line main body 1, the flexible layer 102 can enable the blood oxygen line main body 1 to have certain flexibility and bend, the heat absorption layer 103 can absorb internal heat on the surface, the support column 105 has certain hardness and softness and can bend, and the elastic dividing plate 106 has certain elasticity so that the blood oxygen line main body 1 can press elasticity;
the other sides of the three elastic dividing plates 106 are fixedly arranged with the heat absorption layer 103, an inner core layer 107 is fixedly arranged between the three elastic dividing plates 106, the telescopic box 2 comprises a box body shell 201, a box cover 202 is clamped and arranged on the upper end face of the box body shell 201, a rotary handle 203 is arranged in the middle of the upper end face of the box cover 202 in a penetrating mode, a fixed clamping rod 204 is fixedly arranged on the lower end face of the rotary handle 203, a fixed cylinder 205 is connected in the middle of the inner bottom face of the box body shell 201 in a rotating mode, a placing hole 207 is formed in the middle of the upper end face of the fixed cylinder 205, the inside of the placing hole 207 is movably connected with the fixed clamping rod 204, and a fixing rod 208 is fixedly connected to the inner wall of one side of the box body shell 201 close to the upper end;
the inner core layer 107 can perform data transmission, the box cover 202 can be clamped with the box body shell 201, so that the box cover 202 is combined with and separated from the box body shell 201, the fixing clamping rod 204 moves up and down with the placing hole 207 on the fixing cylinder 205, and the fixing rod 208 can be combined with the fixing clamping rod 204, so that the fixing clamping rod 204 is limited by the fixing rod 208.
The fixed anti-corrosion layer 104 that is provided with in surface mounting of outer tube layer 101, anti-corrosion layer 104 is made through the mode that two-layer was brushed in turn to silicone oil, raw lacquer, and anti-corrosion layer 104 can protect blood oxygen line main part 1 for blood oxygen line main part 1 can not be corroded, increase of service life, and three elasticity division board 106 all includes elasticity post shell 10601, and heat dissipation hole 10602 has all been seted up to the inside of three elasticity post shell 10601, and elasticity post shell 10601 is made through following component: the device comprises white latex and conductive wires, wherein the conductive wires are fixed in the white latex to conduct out static electricity, disperse, and the radiating holes 10602 in the elastic column housing 10601 radiate the blood oxygen wire main body 1 from the middle to the outside;
the inner core layer 107 includes the cutting prevention layer 10701, the inner wall of the cutting prevention layer 10701 is fixedly provided with a waterproof layer 10702, the cutting prevention layer 10701 is made by mixing polyethylene and plastic elastomer, and the waterproof layer 10702 is made by the following modes: the asphalt felt and the high polymer material are mixed and smeared on the surface of the rubber layer to be manufactured, the asphalt felt and the high polymer material are smeared on the surface of the rubber layer, the anti-cutting layer 10701 can protect the inner core layer 107, the waterproof layer 10702 can protect the inner core layer 107 in a waterproof way, the insulating layer 10703 is fixedly arranged on the inner wall of the waterproof layer 10702, the inner core copper 10704 is fixedly arranged on the inner wall of the insulating layer 10703, the insulating layer 10703 is manufactured by mixing rubber molecules, insulators and various fiber products, the inner core copper 10704 is manufactured by stranding a plurality of conductive copper together, the insulating layer 10703 performs insulating operation on the inner core copper 10704, and the inner core copper 10704 can be transmitted;
the filling layer 108 comprises a flame-retardant layer 10801, a soft cushion 10802 is fixedly arranged on the inner wall of the flame-retardant layer 10801, a heat absorption block 10803 is fixedly arranged on the inner wall of the soft cushion 10802, the flame-retardant layer 10801 is made by spraying fireproof paint on the surface of flame-retardant chemical fibers, and the soft cushion 10802 is made of the following components: silica gel, heat absorbing block 10803 is made from the following components: glass wool, fire-retardant layer 10801 can be to certain blocking when inside fires, cushion 10802 can be to the certain shock attenuation protection of three inner core layer 107, the connecting hole 209 has all been seted up to the both sides of box body shell 201 by upper end and lower extreme, the department runs through in the middle of the both sides of fixed cylinder 205 is provided with through-hole 206, blood oxygen line main part 1 is through two connecting holes 209 and through-hole 206 and fixed cylinder 205 winding setting, flexible box 2 all constitutes through hard plastics, two connecting holes 209 can make blood oxygen line main part 1 pass with the through-hole 206 on the fixed cylinder 205, fixed cylinder 205 can make blood oxygen line main part 1 twine, stretch out and draw back blood oxygen line main part 1 for use different distances.
The preparation method of the telescopic blood oxygen line specifically comprises the following steps:
s1, preparation of an inner core
Sa. the plurality of soft copper wires are twisted and connected together to form a conductor;
sb. mixing and smelting rubber molecules, insulators and various fiber products, putting conductors into smelting materials, and cooling to room temperature;
sc. mixing felt with polymer material, brushing the mixed material onto the rubber layer, and wrapping the rubber layer with insulating material on the surface of the conductor;
sd. melting and mixing polyethylene and plastic elastomer, and wrapping on waterproof material;
s2, support preparation
Sa. the support column 105 is made of elastic plastic by compression molding, while the elastic dividing plate 106 is made of white latex with conductive wires inserted therein, the elastic dividing plate 106 is also made of compression molding, and the middle of the elastic dividing plate 106 is exposed with a hole for conducting heat generated in the blood oxygen line;
s3, filling preparation
Sa. the surface of the flame-retardant chemical fiber is sprayed with a certain amount of fireproof paint;
s4, integral preparation of blood oxygen line
Sa. the surface of the support column 105 is uniformly and fixedly connected with three elastic dividing plates 106, and the heat absorbing block 10803 is fixed at the lower ends of the support column 105 and the elastic dividing plates 106;
sb. the three inner core layers 107 are taken out and evenly put on the upper end of the heat absorption block 10803, the soft cushion 10802 is plugged in from the gap of the inner core layers 107, so that the inner core layers 107 are fixed, the flame-retardant layers 10801 are wrapped on the upper ends of the inner core layers 107, and the elastic dividing plates 106 are flush with the flame-retardant layers 10801;
sc. the heat absorbing layer 103 wraps the flame retardant layer 10801, the heat absorbing layer 103 is plugged into the flexible layer 102, the flexible layer 102 and the outer pipe layer 101 are plugged into each other, and the anti-corrosion layer 104 is brushed on the surface of the outer pipe layer 101;
sd. the prepared blood oxygen wire main body 1 is pulled out from the connecting hole 209 at the other side through the connecting hole 209 at one side of the box body shell 201 and penetrates through the through hole 206, the box cover 202 is covered, and the rotary hand wheel 203 is rotated, so that the blood oxygen wire main body 1 is rotated and rolled.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a scalable blood oxygen line, includes blood oxygen line main part (1), its characterized in that: the blood oxygen line comprises a blood oxygen line body (1), wherein a telescopic box (2) is arranged on the surface of the blood oxygen line body (1) in a rotating winding mode, the blood oxygen line body (1) comprises an outer tube layer (101), a flexible layer (102) is fixedly arranged on the inner wall of the outer tube layer (101), a heat absorption layer (103) is fixedly arranged on the inner wall of the flexible layer (102), a filling layer (108) is fixedly arranged on the inner wall of the heat absorption layer (103), supporting columns (105) are fixedly arranged in the middle of the filling layer (108), and three elastic dividing plates (106) are uniformly and fixedly arranged on the surface of each supporting column (105);
the other sides of the three elastic dividing plates (106) are fixedly arranged with the heat absorption layer (103), an inner core layer (107) is fixedly arranged between the three elastic dividing plates (106), the telescopic box (2) comprises a box body shell (201), a box cover (202) is arranged on the upper end face of the box body shell (201) in a clamping manner, a rotary handle (203) is arranged in the middle of the upper end face of the box cover (202) in a penetrating manner, a fixed clamping rod (204) is fixedly arranged on the lower end face of the rotary handle (203), a fixed cylinder (205) is rotationally connected in the middle of the inner bottom face of the box body shell (201), a placing hole (207) is formed in the middle of the upper end face of the fixed cylinder (205), the inside of the placing hole (207) is movably connected with a fixed clamping rod (204), and a fixing rod (208) is fixedly connected to the inner wall of one side of the box body shell (201) at the upper end;
the anti-corrosion waterproof insulation structure is characterized in that an anti-corrosion layer (104) is fixedly arranged on the surface of the outer pipe layer (101), three elastic partition plates (106) comprise elastic column shells (10601), radiating holes (10602) are formed in the elastic column shells (10601), the inner core layer (107) comprises an anti-cutting layer (10701), a waterproof layer (10702) is fixedly arranged on the inner wall of the anti-cutting layer (10701), an insulating layer (10703) is fixedly arranged on the inner wall of the waterproof layer (10702), inner core copper (10704) is fixedly arranged on the inner wall of the insulating layer (10703), a flame retardant layer (10801) is arranged on the filling layer (108), a soft cushion (10802) is fixedly arranged on the inner wall of the flame retardant layer (10801), and a heat absorption block (10803) is fixedly arranged on the inner wall of the soft cushion (10802);
connecting holes (209) are formed in the upper end and the lower end of the two sides of the box body shell (201), through holes (206) are formed in the middle of the two sides of the fixed cylinder (205) in a penetrating mode, the blood oxygen wire main body (1) is wound with the fixed cylinder (205) through the two connecting holes (209) and the through holes (206), and the telescopic box (2) is formed by hard plastics.
2. A retractable blood oxygen line according to claim 1, wherein: the anti-corrosion layer (104) is made by alternately brushing two layers of silicone oil and raw lacquer.
3. A retractable blood oxygen line according to claim 1, wherein: the elastic column casing (10601) is made of the following components: the static electricity conducting wire comprises white latex and conducting wires, wherein the conducting wires are fixed in the white latex to conduct out static electricity, and the static electricity is dispersed.
4. A retractable blood oxygen line according to claim 1, wherein: the anti-cutting layer (10701) is made of polyethylene and plastic elastomer in a mixing way, and the waterproof layer (10702) is made of the following modes: mixing and smearing the asphalt felt and the polymer material on the surface of the rubber layer.
5. A retractable blood oxygen line according to claim 1, wherein: the insulating layer (10703) is made by mixing rubber molecules, insulators and various fibrous products, and the inner core copper (10704) is made by twisting a plurality of conductive copper together.
6. A retractable blood oxygen line according to claim 1, wherein: the flame-retardant layer (10801) is prepared by spraying a fireproof paint on the surface of flame-retardant chemical fiber, and the soft cushion (10802) is prepared by the following components: silica gel, the heat absorption block (10803) is made of the following components: glass wool.
7. A method for preparing a retractable blood oxygen line according to claim 1, comprising the steps of:
s1, preparation of an inner core
Sa. the plurality of soft copper wires are twisted and connected together to form a conductor;
sb. mixing and smelting rubber molecules, insulators and various fiber products, putting conductors into smelting materials, and cooling to room temperature;
sc. mixing felt with polymer material, brushing the mixed material onto the rubber layer, and wrapping the rubber layer with insulating material on the surface of the conductor;
sd. melting and mixing polyethylene and plastic elastomer, and wrapping on waterproof material;
s2, support preparation
Sa. the support column (105) is made of elastic plastic by compression molding, and the elastic dividing plate (106) is made of white latex with conductive wires inserted therein, the elastic dividing plate (106) is also made of compression molding, and the middle of the elastic dividing plate (106) is exposed out of the hole for conducting heat generated in the blood oxygen line;
s3, filling preparation
Sa. the surface of the flame-retardant chemical fiber is sprayed with a certain amount of fireproof paint;
s4, integral preparation of blood oxygen line
Sa. the surface of the supporting column (105) is uniformly and fixedly connected with three elastic dividing plates (106), and the heat absorbing block (10803) is fixed at the lower ends of the supporting column (105) and the elastic dividing plates (106);
sb. the three inner core layers (107) are taken out and evenly placed at the upper end of the heat absorption block (10803), the soft cushion (10802) is plugged in from the gap of the inner core layers (107) so as to be fixed, the flame-retardant layer (10801) is wrapped at the upper end of the inner core layers (107), and the elastic dividing plate (106) is flush with the flame-retardant layer (10801);
sc. the heat absorption layer (103) wraps the flame-retardant layer (10801), the heat absorption layer (103) is plugged into the flexible layer (102), the flexible layer (102) and the outer pipe layer (101) are plugged, and the anti-corrosion layer (104) is brushed on the surface of the outer pipe layer (101);
sd. the blood oxygen line main body (1) after the preparation is pulled out from the connecting hole (209) at the other side through the connecting hole (209) at one side of the box body shell (201) and passes through the through hole (206), the box cover (202) is covered, and the rotary hand wheel (203) is rotated, so that the blood oxygen line main body (1) is rotated and rolled up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310249367.6A CN115919302B (en) | 2023-03-15 | 2023-03-15 | Retractable blood oxygen line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310249367.6A CN115919302B (en) | 2023-03-15 | 2023-03-15 | Retractable blood oxygen line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115919302A CN115919302A (en) | 2023-04-07 |
| CN115919302B true CN115919302B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310249367.6A Active CN115919302B (en) | 2023-03-15 | 2023-03-15 | Retractable blood oxygen line |
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2023
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