CN115919432B - Fat particle input device for preventing marrow infusion - Google Patents
Fat particle input device for preventing marrow infusion Download PDFInfo
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- CN115919432B CN115919432B CN202310246817.6A CN202310246817A CN115919432B CN 115919432 B CN115919432 B CN 115919432B CN 202310246817 A CN202310246817 A CN 202310246817A CN 115919432 B CN115919432 B CN 115919432B
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Abstract
The invention discloses an internal fat particle input device for preventing marrow infusion, which relates to the technical field of medical instruments and comprises a needle core tube, wherein a needle head is arranged at the bottom of the needle core tube, an input tube is arranged at the outer side of the needle core tube, a filter cavity is arranged at the upper end of the input tube, the internal fat particle input device also comprises a limiting chute, a pulling spring and a sliding block, the limiting chute used for limiting the sliding of the sliding block is arranged in the filter cavity, one end of the pulling spring is fixedly connected in the filter cavity, and the other end of the pulling spring is fixedly connected with the outer wall of the sliding block.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an infusion device for preventing fat particles in bone marrow infusion.
Background
The intra-marrow infusion refers to that a bone marrow puncture needle is used for entering a bone marrow cavity through bone cortex to carry out infusion or blood transfusion, the bone marrow cavity is provided with abundant spongy venous sinuses, the bone marrow cavity is communicated with the systemic circulation through a central tube, a nourishing vein and a guide vein, the intra-marrow infusion is to convey medicines or blood into blood flow by using a rich vascular network of bones, wherein the medicines or blood in the bone marrow infusion is possibly doped with fat particles, part of the fat particles enter the bone marrow cavity in the infusion process and then accumulate in the bone marrow cavity, so that excessive fat in the bone marrow cavity is caused, when the bone marrow cavity is filled with a large amount of fat, the hematopoietic function of the bone marrow is obviously reduced, so that aplastic anemia is caused, and the later bone marrow puncture is also easily carried out again to cause influence, so that the bone marrow puncture failure is caused, and the treatment of a patient is possibly influenced.
For this purpose, a fat granule input device for preventing bone marrow infusion is proposed.
Disclosure of Invention
The invention aims to provide an infusion device for preventing fat particles in marrow infusion, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the device for preventing the fat particles in the marrow infusion from returning comprises a needle core tube, wherein a needle head is arranged at the bottom of the needle core tube, an input tube is arranged at the outer side of the needle core tube, and a filter cavity is arranged at the upper end of the input tube;
the switching mechanism comprises a limiting chute, a pulling spring and a sliding block, wherein the limiting chute used for limiting the sliding of the sliding block is formed in the filtering cavity, one end of the pulling spring is fixedly connected to the inside of the filtering cavity, the other end of the pulling spring is fixedly connected with the outer wall of the sliding block, and the sliding block is slidably connected to the inside of the filtering cavity.
Preferably, the filter comprises a detection spring, a filter vat and a filter membrane, wherein the bottom end of the detection spring is fixedly connected to the inside of the sliding block, the filter vat is fixedly connected to the top end of the detection spring, the filter vat is slidably connected to the inside of the sliding block, and the filter membrane is fixedly connected to the inside of the filter vat.
Preferably, still including draw-in groove, spring conflict piece, spring chamber, coupling spring and fixture block, the draw-in groove runs through and sets up on the outer wall of slider, the spring conflict piece sets up the inside at the draw-in groove, and the spring body connection on its spring conflict piece accessible is in the inside of draw-in groove, the spring chamber is seted up on the inner wall of filter chamber, coupling spring's one end fixed connection is in the inside of spring chamber, fixture block fixed connection is at coupling spring's the other end, the outside end sliding connection of fixture block is in the inside in spring chamber, fixture block and the inside mutual joint of draw-in groove.
Preferably, the device further comprises a recovery groove, a pressing spring, a plugging ring, a groove, a plugging spring and a plugging barrel, wherein the recovery groove is formed in the bottom of the sliding block, the pressing spring is fixedly connected to the inside of the recovery groove, the plugging ring is fixedly connected to the bottom of the pressing spring, the top end of the plugging ring is slidably connected to the inside of the recovery groove, the groove is formed in the middle of the filter cavity, the top end of the plugging spring is fixedly connected to the inside of the filter cavity, the bottom of the plugging spring is fixedly connected to the outer side of the plugging barrel, and the bottom of the plugging barrel is in butt joint with the top of the sliding block.
Preferably, the needle is characterized by further comprising a fixing seat, a clamping rod, a fixing spring, an abutting plate and a push-pull rod, wherein the fixing seat is fixedly connected to the outer wall of the needle core tube, the middle part of the clamping rod is hinged to the outer side end of the fixing seat, the fixing plate is fixedly connected to the bottom of the clamping rod, the fixing spring is fixedly connected to the bottom of the needle core tube, the fixing spring is sleeved on the outer wall of the needle, the abutting plate is fixedly connected to the bottom of the fixing spring, the bottom of the push-pull rod is hinged to four corners of the abutting plate, and the top of the push-pull rod is rotatably connected with the top of the clamping rod.
Preferably, the fixing device further comprises a supporting plate, a clamping rod and a fixing groove, wherein the supporting plate is fixedly connected to the upper surface of the abutting plate, the clamping rod is fixedly connected to the top of the supporting plate, and the fixing groove is formed in the outer surface of the fixing seat.
Preferably, the needle core pipe, the needle head, the input pipe and the filter cavity are mutually communicated, so that the medicine liquid can be conveniently input, holes matched with the input pipe are formed in the middle of the sliding block, the holes are not less than three, and the effect of not less than two times of replacement and filtration is achieved.
Preferably, the bottom of shutoff ring and shutoff bucket all sets up to the rubber structure, plays can effectual sealed effect.
Preferably, the support plate has elasticity, be provided with the difference in height between the vertical limit groove and the slope limit groove of fixed slot, the distance between the bottom surface of vertical limit groove and the fixing base surface is less than the distance between the bottom surface of slope limit groove and the fixing base surface, and slope limit groove upper end is connected through the transition groove with vertical limit groove upper end, and the draw-in lever can be at the inside motion of fixed slot and joint in the transition groove.
Compared with the prior art, the invention has the beneficial effects that:
1. in the flowing process of the liquid medicine or blood, the liquid medicine or blood can pass through the filter membrane in the holes in the sliding block, and fat particles contained in the liquid medicine or blood can be filtered through the filter membrane, so that the fat particles are effectively prevented from entering the bone marrow, and the accumulation of the fat particles in the bone marrow is prevented from affecting the hematopoietic efficiency of the bone marrow;
2. the sliding block slides in the limiting sliding groove under the action of the pulling spring, at the moment, the hole of the first sliding block is far away from the middle part of the filter cavity, the second hole of the sliding block moves towards the middle part of the filter cavity, and then the clamping block moves to the clamping groove of the second hole to be clamped under the extending action of the connecting spring, so that the sliding block stops moving, the effect of automatically replacing the filter barrel is realized, the filter barrel is effectively prevented from being replaced in time after being blocked, and the input efficiency of liquid medicine or blood is improved;
3. the blocking ring is enabled to be in downward abutting connection with the groove through the pressing spring, meanwhile, the bottom of the blocking barrel is enabled to be in abutting connection with the edge of the hole of the sliding block through the blocking spring, and then the second hole of the sliding block and the inside of the needle head can be enabled to be in a closed space, so that the liquid medicine or blood is prevented from entering the inside of the filter cavity in the liquid medicine or blood inputting process, and excessive liquid medicine or blood is prevented from entering the inside of the filter cavity to affect the operation of the device;
4. because the middle part of the clamping rod is hinged with the fixed seat, when the top end of the clamping rod moves outwards, the bottom of the clamping rod moves inwards, so that the fixing plate can hold the leg of a patient, the stability of the needle is further improved, the shaking problem of the needle after the needle is inserted into a human body can be further reduced, and the success rate of puncture is improved;
5. through the elastic resilience effect of backup pad for the clamping rod is fixed at the inside joint of fixed slot, and then the centre gripping to the fixed plate, the effectual automatic fixation who realizes the device, and then improved the syringe needle stability of pegging graft after the puncture.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the whole structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present invention;
FIG. 4 is a partial perspective view of the internal structure of the filter chamber of the present invention;
FIG. 5 is a partial perspective view of the relationship between the position of the slider and the filter chamber according to the present invention;
FIG. 6 is a schematic partial perspective view of the internal holes of the slider structure of the present invention;
FIG. 7 is a schematic view showing the structure of the sliding block of the invention slidably connected to the inside of the filter chamber;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7B according to the present invention;
FIG. 9 is a schematic partial perspective view of the peripheral structures of the fixing base and the fixing plate of the present invention;
FIG. 10 is an enlarged schematic view of the structure of FIG. 9C in accordance with the present invention;
FIG. 11 is a perspective view showing the position relationship between the limiting chute and the groove;
FIG. 12 is a schematic front view of the position relationship between the clamping lever and the push-pull lever according to the present invention;
FIG. 13 is a schematic front view of the clamping rod clamped in the fixing groove;
fig. 14 is an enlarged schematic view of the structure of fig. 10D according to the present invention.
In the figure:
1. a needle core tube; 2. a needle; 3. an input tube; 4. a filter chamber;
51. limiting sliding grooves; 52. pulling the spring; 53. a slide block; 541. detecting a spring; 542. a filter vat; 543. a filter membrane; 551. a clamping groove; 552. a spring abutting block; 553. a spring cavity; 554. a connecting spring; 555. a clamping block; 561. a recovery tank; 562. pressing down the spring; 563. a plugging ring; 564. a groove; 565. a blocking spring; 566. plugging the barrel;
611. a fixing seat; 612. a clamping rod; 613. a fixed spring; 614. an abutting plate; 615. a push-pull rod; 62. a fixing plate; 631. a support plate; 632. a clamping rod; 633. inclined side grooves; 634. a vertical side slot; 635. a transition groove.
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 fall within the scope of the invention.
Example 1
Referring to fig. 1 to 2, an apparatus for preventing bone marrow from returning to transfusion internal fat particles comprises a needle core tube 1, wherein a needle head 2 is arranged at the bottom of the needle core tube 1, the needle head 2, an input tube 3 and a filter cavity 4 are mutually communicated, the function of facilitating the input of liquid medicine is achieved, the input tube 3 is arranged at the outer side of the needle core tube 1, and the filter cavity 4 is arranged at the upper end of the input tube 3;
referring to fig. 3, 5 and 11, the filter further comprises a limit chute 51, a pulling spring 52 and a sliding block 53, wherein the limit chute 51 for limiting the sliding of the sliding block 53 is formed in the filter cavity 4, one end of the pulling spring 52 is fixedly connected in the filter cavity 4, the other end of the pulling spring 52 is fixedly connected with the outer wall of the sliding block 53, the sliding block 53 is slidably connected in the filter cavity 4, holes matched with the input pipe 3 are formed in the middle of the sliding block 53, and the number of the holes is not less than three, so that the filter effect of not less than two replacement is achieved;
referring to fig. 3 to 6, the filter further comprises a detection spring 541, a filter barrel 542 and a filter membrane 543, wherein the bottom end of the detection spring 541 is fixedly connected to the inside of the slider 53, the filter barrel 542 is fixedly connected to the top end of the detection spring 541, the filter barrel 542 is slidably connected to the inside of the slider 53, and the filter membrane 543 is fixedly connected to the inside of the filter barrel 542;
referring to fig. 7 and 8, the device further includes a clamping groove 551, a spring abutting block 552, a spring cavity 553, a connecting spring 554 and a clamping block 555, wherein the clamping groove 551 is formed on the outer wall of the sliding block 53 in a penetrating manner, the spring abutting block 552 is arranged in the clamping groove 551, the spring abutting block 552 can be connected in the clamping groove 551 through a spring body thereon, when the spring abutting block 552 is pushed by external force, the spring body thereon is stretched, the spring cavity 553 is formed on the inner wall of the filter cavity 4, one end of the connecting spring 554 is fixedly connected in the spring cavity 553, the clamping block 555 is fixedly connected with the other end of the connecting spring 554, the outer side end of the clamping block 555 is slidably connected in the spring cavity 553, and the clamping block 555 is mutually clamped with the inside of the clamping groove 551;
referring to fig. 2, 3 and 11, the device further comprises a recovery groove 561, a pressing spring 562, a blocking ring 563, a groove 564, a blocking spring 565 and a blocking barrel 566, wherein the recovery groove 561 is arranged at the bottom of the sliding block 53, the pressing spring 562 is fixedly connected in the recovery groove 561, the blocking ring 563 is fixedly connected at the bottom of the pressing spring 562, the bottoms of the blocking ring 563 and the blocking barrel 566 are both provided with rubber structures, so that an effective sealing effect is achieved, the top end of the blocking ring 563 is slidingly connected in the recovery groove 561, the groove 564 is arranged in the middle of the filtering cavity 4, the top end of the blocking spring 565 is fixedly connected in the filtering cavity 4, the bottom of the blocking spring 565 is fixedly connected with the outer side of the blocking barrel 566, and the bottom of the blocking barrel 566 is in butt joint with the top of the sliding block 53;
referring to fig. 9, 10, 12 and 13, the needle also comprises a fixing seat 611, a clamping rod 612, a fixing spring 613, an abutting plate 614 and a push-pull rod 615, wherein the fixing seat 611 is fixedly connected to the outer wall of the needle core tube 1, the middle part of the clamping rod 612 is hinged to the outer side end of the fixing seat 611, the fixing plate 62 is fixedly connected to the bottom of the clamping rod 612, the fixing spring 613 is fixedly connected to the bottom of the needle core tube 1, the fixing spring 613 is sleeved on the outer wall of the needle head 2, the abutting plate 614 is fixedly connected to the bottom end of the fixing spring 613, the bottom of the push-pull rod 615 is hinged to four corners of the abutting plate 614, and the top of the push-pull rod 615 is rotatably connected with the top end of the clamping rod 612;
referring to fig. 2, 10, 13 and 14, the fixing device further comprises a support plate 631, a clamping rod 632 and a fixing groove, wherein the support plate 631 is fixedly connected to the upper surface of the abutting plate 614, the support plate 631 can be made of plastic, has a certain elasticity, can be bent and deformed by being subjected to resistance, the clamping rod 632 is fixedly connected to the top of the support plate 631, the fixing groove is formed in the outer surface of the fixing seat 611, and a height difference is formed between a vertical side groove 634 and an inclined side groove 633 of the fixing groove, namely: the distance between the bottom surface of the vertical side groove 634 and the surface of the fixed seat 611 is smaller than the distance between the bottom surface of the inclined side groove 633 and the surface of the fixed seat 611, the upper end of the inclined side groove 633 is connected with the upper end of the vertical side groove 634 through the transition groove 635, and the clamping rod 632 can move in the fixed groove and be clamped in the transition groove 635.
The overall working principle of the invention is as follows:
referring to fig. 3, in an initial state, the detection spring 541 makes the filter tub 542 at the highest position;
referring to fig. 6 and 8, the connecting spring 554 makes the clamping block 555 and the clamping groove 551 mutually clamped, and at this time, the sliding block 53 makes the pulling spring 52 in a stretched state;
referring to fig. 9 and 12, the fixing spring 613 is in an uncompressed state, the abutting plate 614 is at the lowest position, the abutting plate 614 makes the push-pull rod 615 pull the top end of the clamping rod 612 to be at the innermost side, the bottom end of the clamping rod 612 to be at the outermost side, and the clamping rod 612 makes the fixing plate 62 to be at the outermost side;
referring to fig. 10, the support plate 631 has the catch lever 632 at the lowermost position.
Referring to fig. 12, when the needle is used, after the position to be punctured is disinfected, the position to be punctured is repositioned, then the needle head 2 is aligned to the positioned puncture position, the needle head 2 is inserted into the bone marrow of the leg of a human body, when the needle head 2 enters the bone marrow, the lower surface of the abutting plate 614 contacts with the skin of the leg of the human body, the abutting plate 614 moves upwards on the outer wall of the needle head 2 after being extruded and compresses the fixing spring 613, the abutting plate 614 pushes the top end of the clamping rod 612 to move outwards through the push-pull rod 615, and the middle part of the clamping rod 612 is hinged with the fixing seat 611, so that when the top end of the clamping rod 612 moves outwards, the bottom of the clamping rod 612 moves inwards, the fixing plate 62 is used for holding the leg of the human body, the stability of the needle head 2 is further improved, the shaking problem after the needle head 2 is inserted into the human body can be further reduced, and the puncture success rate is improved;
referring to fig. 10 and fig. 13 to fig. 14, the abutment plate 614 drives the clamping rod 632 to move upwards to the position a of the inclined side groove 633 through the support plate 631, and as the clamping rod 632 moves upwards along the inclined side groove 633, the clamping rod 632 passes through the position b, after sliding to the highest position c of the transition groove 635, the clamping rod 632 moves leftwards at the position c of the transition groove 635 under the elastic resilience action of the support plate 631, after loosening the integral device, the abutment plate 614 moves downwards on the outer wall of the needle 2 under the elastic reset action of the fixing spring 613, the abutment plate 614 drives the clamping rod 632 to move downwards at the position c of the transition groove 635 through the support plate 631, and meanwhile, the elastic resilience of the support plate 631 drives the clamping rod 632 to slide leftwards at the position d of the transition groove 635, so that the clamping rod 632 is clamped inside the transition groove 635; the clamping of the fixing plate 62 is realized, the automatic fixing of the device is effectively realized, and the plugging stability of the needle head 2 after puncture is improved;
when the clamping state of the clamping rod 632 needs to be released, the whole device is pressed downwards at the moment, the fixing spring 613 is compressed, the abutting plate 614 is abutted against the skin surface of the leg of a patient and cannot move, the lower supporting plate 631 is arranged to move upwards, the clamping rod 632 at the top of the supporting plate 631 slides towards the position e in the transition groove 635, the originally bent supporting plate 631 drives the clamping rod 632 to move leftwards at the position e of the transition groove 635 in elastic rebound, the whole device is released at the moment, the needle core tube 1 moves upwards under the elastic reset action of the fixing spring 613, the clamping rod 632 slides downwards at the vertical side groove 634, the position f passing through the vertical side groove 634 returns to the position a of the inclined side groove 633, and finally the clamping rod 632 is not contacted with the fixing groove any more, so that the fixing clamping of the device is completed at the moment;
referring to fig. 2 and 5, the infusion tube is inserted into the top of the input tube 3, at this time, the liquid medicine or blood is input into the input tube 3 through the infusion tube, and then enters the bone marrow of the human body through the needle 2, so as to achieve the therapeutic effect, in the process that the liquid medicine or blood passes through the inside of the input tube 3, the liquid medicine or blood passes through the filter membrane 543 in the holes of the sliding block 53, and the fat particles contained in the liquid medicine or blood can be filtered through the filter membrane 543, so that the fat particles are effectively prevented from entering the bone marrow, the fat particles are prevented from accumulating in the bone marrow to affect the hematopoietic efficiency of the bone marrow, and in the continuous filtering process of the fat particles, the fat particles may accumulate and block the upper surface of the filter membrane 543;
referring to fig. 3 and 8, after excessive fat particles are accumulated and blocked on the upper surface of the filter membrane 543, the water resistance of the filter membrane 543 in the infusion process is increased, the filter membrane 543 makes the filter barrel 542 move downward inside the hole of the slider 53 and compress the detection spring 541 under the action of the water resistance, after the filter barrel 542 moves downward to contact with the spring abutting block 552, the filter barrel 542 extrudes the spring abutting block 552 to move outward inside the clamping groove 551, the spring abutting block 552 extrudes the clamping block 555 to leave the inside of the clamping groove 551 and compress the connecting spring 554, and the clamping block 555 cannot be clamped with the inside of the clamping groove 551;
referring to fig. 5, 6 and 8, under the action of the pull spring 52, the sliding block 53 slides in the limiting chute 51, at this time, the hole of the first sliding block 53 is far away from the middle part of the filter cavity 4, after the second hole on the sliding block 53 moves towards the middle part of the filter cavity 4, the clamping block 555 moves to the inside of the clamping groove 551 of the second hole under the extending action of the connecting spring 554 to be clamped, so that the sliding block 53 stops moving, the effect of automatically replacing the filter barrel 542 is achieved, the filter barrel 542 is effectively prevented from being replaced in time after being blocked, and the input efficiency of liquid medicine or blood is improved;
referring to fig. 3, when the second hole on the slider 53 moves to the middle of the filter cavity 4 and aligns with the filter cavity 4, the spring 562 is pressed down at this time to make the blocking ring 563 contact with the groove 564 downwards, and the blocking spring 565 makes the bottom of the blocking barrel 566 contact with the edge of the hole on the slider 53, so that the second hole on the slider 53 and the inside of the needle 2 can be in a sealed space, preventing the liquid medicine or blood from entering the filter cavity 4 during the process of inputting the liquid medicine or blood, and preventing excessive liquid medicine or blood from entering the filter cavity 4 and affecting the operation of the device.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
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 (5)
1. The utility model provides a fat granule input device in being used for preventing marrow to return transfusion, includes needle core pipe (1), its characterized in that: the needle core tube (1) is provided with a needle head (2), the outer side of the needle core tube (1) is provided with an input tube (3), and the upper end of the input tube (3) is provided with a filter cavity (4);
the filter comprises a filter cavity (4), and is characterized by further comprising a limiting chute (51), a pulling spring (52) and a sliding block (53), wherein the limiting chute (51) for limiting the sliding of the sliding block (53) is formed in the filter cavity (4), one end of the pulling spring (52) is fixedly connected in the filter cavity (4), the other end of the pulling spring (52) is fixedly connected with the outer wall of the sliding block (53), and the sliding block (53) is slidably connected in the filter cavity (4);
still including draw-in groove (551), spring conflict piece (552), spring chamber (553), connecting spring (554) and fixture block (555), draw-in groove (551) run through and set up on the outer wall of slider (53), spring conflict piece (552) set up the inside at draw-in groove (551), spring chamber (553) are seted up on the inner wall of filter chamber (4), the one end fixed connection in spring chamber (553) of connecting spring (554), fixture block (555) fixed connection is at the other end of connecting spring (554), the outside end sliding connection of fixture block (555) is in the inside of spring chamber (553), the inside looks joint of fixture block (555) and draw-in groove (551);
the needle tube structure is characterized by further comprising a fixing seat (611), a clamping rod (612), a fixing spring (613), an abutting plate (614) and a push-pull rod (615), wherein the fixing seat (611) is fixedly connected to the outer wall of the needle tube (1), the middle part of the clamping rod (612) is hinged to the outer side end of the fixing seat (611), the fixing plate (62) is fixedly connected to the bottom of the clamping rod (612), the fixing spring (613) is fixedly connected to the bottom of the needle tube (1), the fixing spring (613) is sleeved on the outer wall of the needle tube (2), the abutting plate (614) is fixedly connected to the bottom end of the fixing spring (613), the bottom of the push-pull rod (615) is hinged to four corners of the abutting plate (614), and the top of the push-pull rod (615) is rotatably connected to the top end of the clamping rod (612);
the needle core tube (1), the needle head (2), the input tube (3) and the filter cavity (4) are mutually communicated, and holes matched with the input tube (3) are formed in the middle of the sliding block (53), and the number of the holes is not less than three;
still including detecting spring (541), filter vat (542) and filter membrane (543), the bottom fixed connection of detecting spring (541) is in the inside of slider (53), filter vat (542) fixed connection is on the top of detecting spring (541), filter vat (542) sliding connection is inside the hole of slider (53), filter membrane (543) fixed connection is in the inside of filter vat (542).
2. A fat particle infusion device for preventing bone marrow return according to claim 1, wherein: still including recovery groove (561), push down spring (562), shutoff ring (563), recess (564), shutoff spring (565) and shutoff bucket (566), recovery groove (561) are seted up in slider (53) bottom, push down spring (562) fixed connection is in the inside of recovery groove (561), the top sliding connection of shutoff ring (563) is in the bottom of push down spring (562), the inside of recovery groove (561) is being pressed in the top sliding connection of shutoff ring (563), the middle part at filter chamber (4) is seted up in recess (564), the top fixed connection of shutoff spring (565) is in the inside of filter chamber (4), the outside fixed connection of shutoff bucket (566) is seted up to the bottom of shutoff spring (565), the bottom of shutoff bucket (566) and the top butt of slider (53).
3. A fat particle infusion device for preventing bone marrow return according to claim 1, wherein: still including backup pad (631), draw-in lever (632) and fixed slot, backup pad (631) fixed connection is at the upper surface of butt board (614), draw-in lever (632) fixed connection is at the top of backup pad (631), the fixed slot is seted up at the surface of fixing base (611).
4. A fat particle infusion device for preventing bone marrow return according to claim 2, wherein: the bottoms of the plugging ring (563) and the plugging barrel (566) are both of rubber structures.
5. A fat particle infusion device for preventing bone marrow return according to claim 3, wherein: the supporting plate (631) has elasticity, a height difference is arranged between the vertical side groove (634) and the inclined side groove (633) of the fixed groove, the distance between the bottom surface of the vertical side groove (634) and the surface of the fixed seat (611) is smaller than the distance between the bottom surface of the inclined side groove (633) and the surface of the fixed seat (611), and the upper end of the inclined side groove (633) is connected with the upper end of the vertical side groove (634) through a transition groove (635); the clamping rod (632) can move in the fixing groove and is clamped in the transition groove (635).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310246817.6A CN115919432B (en) | 2023-03-15 | 2023-03-15 | Fat particle input device for preventing marrow infusion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310246817.6A CN115919432B (en) | 2023-03-15 | 2023-03-15 | Fat particle input device for preventing marrow infusion |
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| CN115919432A CN115919432A (en) | 2023-04-07 |
| CN115919432B true CN115919432B (en) | 2023-05-12 |
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| CN206151996U (en) * | 2016-07-29 | 2017-05-10 | 中南大学湘雅三医院 | Marrow filters and infusion device |
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| CN215534620U (en) * | 2021-03-09 | 2022-01-18 | 刘娜 | Marrow puncture needle for blood patient |
| CN115569269A (en) * | 2021-07-06 | 2023-01-06 | 首都医科大学附属北京天坛医院 | Injection needle for transcranial bone marrow and using method thereof |
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2023
- 2023-03-15 CN CN202310246817.6A patent/CN115919432B/en active Active
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