CN115998972B - Negative pressure drainage device for field operations - Google Patents
Negative pressure drainage device for field operations Download PDFInfo
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- CN115998972B CN115998972B CN202310305440.7A CN202310305440A CN115998972B CN 115998972 B CN115998972 B CN 115998972B CN 202310305440 A CN202310305440 A CN 202310305440A CN 115998972 B CN115998972 B CN 115998972B
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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
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention provides a negative pressure drainage device for field operations, belonging to the technical field of medical appliances; the medical device comprises a catheter, a drainage ball is sleeved at one end of the catheter, a shielding end is connected to the other end of the catheter and used for contacting the skin of a patient, negative pressure is generated through the action of the drainage ball to absorb tissue fluid flowing out of a wound of the patient, and the shielding end comprises a contact piece and a sleeve piece which are connected. According to the invention, tissue fluid at the cross-shaped groove is slowly drained into the catheter through the holes on the connecting edge, and the connecting edge is positioned in the rubber surface, so that the holes are prevented from being in direct contact with the skin of a patient, the catheter is prevented from being adsorbed to the tissue of a human body, the drainage effect of the catheter on the tissue fluid is prevented from being influenced, meanwhile, the pain of the patient is increased, the stability of the periphery of the inner baffle ring is increased by the supporting plate, and meanwhile, the supporting plate is matched with the negative pressure film to guide the tissue fluid flowing out of the outer end of the cross-shaped groove.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a negative pressure drainage device for field operations.
Background
The negative pressure drainage device is a medical instrument commonly used in clinic, is used for being connected with a drainage tube implanted into a patient body, and is used for draining the accumulated blood, the accumulated air, the pus, the postoperative seepage and the like in the thoracic cavity and the abdominal cavity to the outside so as to change the biological environment of an infected part, inhibit local bacterial reproduction and prevent infection diffusion.
In the prior art, a negative pressure drainage device generally adopts one end of a catheter to be inserted with a needle, the other end of the catheter stretches into a wound of a patient and is used for suturing the wound, a biomembrane adhered to the wound of the patient is sleeved outside the catheter, the other end of the catheter is connected with a negative pressure device, body fluid and blood in the patient are brought to the outside of the patient through one end of the catheter, the negative pressure device generates negative pressure, and the biomembrane is slowly adhered to the wound of the patient, but the following problems still exist:
when being in field operations and using, the arm or the shank to patient takes place the wound, need to discharge the tissue fluid of wound department, in the one end of pipe stretched into the wound, when negative pressure utensil produced negative pressure, when the pipe was to tissue fluid drainage to external, the end of pipe was adsorbed on human tissue easily, had influenced the drainage effect of pipe to tissue fluid, also can increase patient's pain sense simultaneously, consequently, this application provided a field operations and used negative pressure drainage device to satisfy the demand.
Disclosure of Invention
The invention aims to solve the technical problem of providing a negative pressure drainage device for field operations, which aims to solve the problems that the end head of the existing catheter is adsorbed to the tissues of a human body, the drainage effect of the catheter on tissue fluid is affected, and meanwhile, the pain of a patient is increased.
In order to solve the technical problems, the invention provides the following technical scheme:
a field negative pressure drainage device, comprising: the catheter is characterized in that one end of the catheter is sleeved with a drainage ball, the other end of the catheter is connected with a shielding end head, and the shielding end head is used for contacting the skin of a patient and generating negative pressure through the action of the drainage ball to absorb tissue fluid flowing out of a wound of the patient; the shielding end head comprises a contact piece and a sleeve joint piece which are connected, the contact piece comprises a low ring connected with the sleeve joint piece, an inner baffle ring which is a vortex ring is fixedly connected to the inner side wall of the low ring, a rubber surface is fixedly connected to the bottom end of the inner baffle ring, a cross-shaped groove is formed in the rubber surface, a connecting edge with a hole is fixedly connected to one side, facing the inner baffle ring, of the side wall of the cross-shaped groove, and the sleeve joint piece is connected with the guide pipe; the outside of the catheter is provided with a fixing device for limiting the drawing of the catheter.
Preferably, the outer side wall of the inner baffle ring is provided with a plurality of liquid passing holes, and a pair of support plates are fixedly connected to the outer side wall of the inner baffle ring and located at each liquid passing hole.
Preferably, the sleeve joint piece comprises an inner ring and a side edge which are respectively fixedly connected with the inner edge and the outer edge of the low ring, wherein a plurality of bulges are fixedly connected to the inner side wall of the side edge, a plurality of grooves matched with the bulges are formed in the outer side wall of the inner ring, the side wall of the catheter is sleeved between the inner ring and the side edge, the top end of the inner ring is inclined inwards, gaps are formed in two opposite sides of the side edge, and the side edge can be turned along two sides of the low ring.
Preferably, the shielding end head further comprises a plurality of cutting pieces connected with the upper end of the inner ring, the cutting pieces are used for cutting off the negative pressure adhesive film and enabling the guide pipe to be communicated with the contact pieces, each cutting piece comprises a cutting groove which is formed in the inner ring and is L-shaped, the inner side wall of the cutting groove is fixedly connected with a fixing column, the outer side wall of the fixing column is rotationally connected with a rotating rod, one end of the rotating rod extends out of the cutting groove, the other end of the rotating rod is rotationally connected with a guide block, the guide block is in sliding connection with the inner side wall of the cutting groove, and the upper end of the guide block is fixedly connected with a thorn piece positioned in the cutting groove.
Preferably, the fixing device comprises a sleeve column positioned outside the catheter, the upper end of the sleeve column is fixedly connected with a rubber block, a limiting ring is sleeved outside the sleeve column, and a limiting groove matched with the limiting ring is formed in the outer side wall of the rubber block.
Preferably, the lower extreme fixedly connected with first rubber pad of loop column, the both ends of first rubber pad all are provided with the elastic band, one of them the one end of elastic band with first rubber pad fixed connection, another the one end fixedly connected with of elastic band with the trip of first rubber pad mutually supporting, two fixedly connected with second rubber pad between the elastic band.
Preferably, square holes are formed in the middle of the elastic band, and ventilation holes are formed in two sides of the elastic band, which are located in the square holes.
Preferably, the middle part of the second rubber pad is provided with a mounting hole, the inner side wall of the second rubber pad is fixedly connected with a plurality of anti-slip pads, and the anti-slip pads are provided with corrugated grooves.
Preferably, the outer side walls of the pair of elastic bands are fixedly connected with magic tapes which are matched with each other.
Compared with the prior art, the invention has at least the following beneficial effects:
in the scheme, through setting up contact and sleeve joint piece, the tissue fluid of cross groove department on the contact is slowly led to the pipe through the hole on the connecting edge, the connecting edge is located the rubber face, thereby avoid hole and patient's skin direct contact, avoid the pipe to adsorb human tissue, influence the drainage effect of pipe to the tissue fluid, simultaneously also increase patient's painful sense, the backup pad increases the peripheral stability of interior baffle ring, at the mutually supporting of drainage ball during operation and negative pressure pad pasting, play the guide effect to the tissue fluid that flows from cross groove outer end, the top of inner ring on the sleeve joint piece is inwards inclined, the inner ring of inwards inclination makes things convenient for the end of pipe to embolia the inner ring, two weakening holes have been seted up to the upper end of inner ring, when the inside wall of pipe overlaps along the lateral wall of inner ring, two weakening holes are convenient for the inner ring inwards to extrude, help the use personnel to embolia pipe to the outside of inner ring, the weakening groove has been seted up to the periphery on side, when making the person move the side outward by hand, the side is convenient for to move the side to the mutual cooperation of side through weakening groove and breach, the side to the periphery that the contact is convenient for to turn over the periphery of contact.
Through setting up the cutting part, when the user will shelter from between end and the pipe mutually, the inside wall of pipe extrudees with the lateral wall of inner ring, also screw in the pipe with shelter from the relative pivoted mode of end simultaneously, the pipe pushes away the dwang downwards, also tighten the negative pressure pad pasting between pipe and the inner ring simultaneously, drive guide block and thorn piece after the dwang pressurized and move along cutting groove, the thorn piece punctures the negative pressure pad pasting after stretching, just puncture the negative pressure pad pasting when pipe and shelter from the end installation, the intercommunication each other between pipe and the rubber face has been realized to whole installation step, the negative pressure pad pasting after stretching simultaneously has increased the laminating degree, prevent that negative pressure pad pasting fracture department from sealing is not tight, influence the effect of negative pressure drainage, avoided cutting off the negative pressure pad pasting with the scissors after passing the pipe negative pressure pad pasting, convenience when having increased the operation, time spent when having practiced thrift the field operations.
Through setting up the mutually supporting between first rubber pad, second rubber pad and the two elastic bands, be convenient for directly bind on arm or leg in the field, the mounting hole facilitates the use personnel stretch out the pipe from the mounting hole, stretch out the back with pipe, negative pressure pad membrane and shelter from the end and install each other, shelter from the end after the installation and withdraw in the loop column, be convenient for prepare the equipment in advance, use rapidly in the field, with two magic tapes adhesion each other, be convenient for shelter from the mounting hole, reduce external dust simultaneously and glue on sheltering from the end, need use when the field operation, only need separate the magic tape, around the arm of patient or shank one week after with first rubber pad mutual chucking at tensile trip, can adopt the drainage ball to carry out the use of negative pressure drainage, more be applicable to the field operation.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a schematic diagram of a three-dimensional structure of a negative pressure drainage device for field operations;
FIG. 2 is a schematic sectional perspective view of a first rubber pad and a fixing device of the negative pressure drainage device for field operations;
FIG. 3 is a schematic perspective view of a non-slip mat of a negative pressure drainage device for field operations;
FIG. 4 is a schematic view of a partial cut-away perspective view of a first rubber pad, a fixing device and a catheter of the negative pressure drainage device for field operations;
FIG. 5 is a schematic view of a cut-away perspective structure of a shielding end of the negative pressure drainage device for field operations;
FIG. 6 is a schematic view of a three-dimensional structure of a shielding end of a negative pressure drainage device for field operations;
FIG. 7 is a schematic view of a partial sectional perspective structure of a cutting device of the negative pressure drainage device for field operations;
FIG. 8 is a schematic diagram of a three-dimensional structure of a shielding end of a negative pressure drainage device for field operations matched with a catheter;
fig. 9 is an enlarged perspective view of fig. 8 at a.
[ reference numerals ]
1. A first rubber pad; 2. a fixing device; 201. a sleeve column; 202. a rubber block; 203. a restraining groove; 204. a limiting ring; 3. a conduit; 4. a drainage ball; 5. an elastic band; 6. a second rubber pad; 7. an anti-slip pad; 8. a corrugated groove; 9. a mounting hole; 10. ventilation holes; 11. a hook; 12. a magic tape; 13. shielding the end head; 14. a lower ring; 15. a side edge; 16. an inner ring; 17. an inner baffle ring; 18. a liquid passing hole; 19. a support plate; 20. a rubber surface; 21. connecting edges; 22. a rotating lever; 23. cutting a groove; 24. fixing the column; 25. a guide block; 26. puncturing sheets; 27. negative pressure film sticking.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The invention provides a negative pressure drainage device for field operations, which is described in detail below with reference to the accompanying drawings and specific embodiments. While the invention has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It will be understood that the meanings of "on … …", "over … …" and "over … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on" but also includes meaning "directly on" something with intervening features or layers therebetween, and "over … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1 and 2, an embodiment of the present invention provides a negative pressure drainage device for field operations, including: the catheter 3, the drainage ball 4 has been cup jointed to the one end of catheter 3, the other end of drainage ball 4 catheter 3 is connected with and shelters from end 13, shelter from end 13 and be used for contacting patient's skin, and produce the tissue fluid that negative pressure absorbed patient wound department flows through the effect of drainage ball 4, drainage ball 4 mainly comprises a ball, a lid, a drain pipe joint, a lock nut, a check valve and an auxiliary belt, the back is pressed to drainage ball 4, the air in the drainage ball 4 is discharged, in recovering the period from extrusion and subsidence, negative pressure drainage ball can provide the negative pressure that is greater than 10kPa, make the one end of catheter 3 to the tissue fluid drainage of patient wound department, belong to prior art.
As shown in fig. 5, 6 and 8, the shielding end 13 comprises a contact piece and a sleeve piece which are connected, the contact piece comprises a low ring 14 connected with the sleeve piece, an inner baffle ring 17 which is a vortex ring is fixedly connected to the inner side wall of the low ring 14, the area of a port of a conduit 3 is reduced by the vortex ring-shaped inner baffle ring 17, the negative pressure for absorbing tissue fluid is further increased, a rubber surface 20 is fixedly connected to the bottom end of the inner baffle ring 17, a cross-shaped groove is formed in the rubber surface 20, a connecting edge 21 with a hole is fixedly connected to one side of the side wall of the cross-shaped groove facing the inner baffle ring 17, when the rubber surface 20 is tightly attached to the skin of a wound of a patient, the rubber surface 20 deforms, the tissue fluid flows to the cross-shaped groove along the rubber surface 20, at this time, the tissue fluid at the cross-shaped groove is slowly drained into the conduit 3 through a hole on the connecting edge 21 by the action of a drainage ball 4, the connecting edge 21 is positioned in the rubber surface 20, thereby avoiding the direct contact between the hole and the skin of the patient, the sleeve joint part is connected with the catheter 3, the outer side wall of the inner baffle ring 17 is provided with a plurality of liquid passing holes 18, the outer side wall of the inner baffle ring 17 is fixedly connected with a pair of supporting plates 19 which are positioned at each liquid passing hole 18, the inner baffle ring 17 and the rubber surface 20 form an inverted mushroom shape, the supporting plates 19 increase the stability of the periphery of the inner baffle ring 17, simultaneously, the guiding effect is also exerted on the tissue liquid flowing out of the outer end of the cross-shaped groove, the tissue liquid is promoted to be sucked in from the liquid passing holes 18, the sleeve joint part comprises an inner ring 16 and a side edge 15 which are respectively fixedly connected with the inner edge and the outer edge of the lower ring 14, the inner side wall of the side edge 15 is fixedly connected with a plurality of bulges, the outer side wall of the inner ring 16 is provided with a plurality of grooves which are matched with the bulges, the side wall of the catheter 3 is sleeved between the inner ring 16 and the side edge 15, the top end of the inner ring 16 inclines inwards, the inner ring 16 inclined inwards facilitates the end of the catheter 3 to be sleeved into the inner ring 16, two weakening holes are formed in the upper end of the inner ring 16, when the inner side wall of the catheter 3 is sleeved along the outer side wall of the inner ring 16, the two weakening holes facilitate the inner ring 16 to be extruded inwards, a user is facilitated to sleeve the catheter 3 outside the inner ring 16, notches are formed in the two opposite sides of the side edge 15, the side edge 15 can turn along the two sides of the lower ring 14, weakening grooves are formed in the periphery of the side edge 15, when the user moves the side edge 15 outwards by hands, the side edge 15 is matched with the notches through the weakening grooves, the side edge 15 is conveniently turned to the periphery of the contact piece, the contact piece plays a role of shielding dust, at the moment, the inner baffle ring 17, the lower ring 14, the inner ring 16 and the support plate 19 are all made of PVC materials, the side edge 15 and rubber materials are easy to turn.
Through setting up contact and sleeve joint, the tissue fluid of cross groove department on the contact is slowly led to in the pipe 3 through the hole on the connection limit 21, the connection limit 21 is located rubber face 20, thereby avoid hole and patient's skin direct contact, avoid pipe 3 to adsorb human tissue, influence the drainage effect of pipe 3 to the tissue fluid, simultaneously also increase patient's painful sense, backup pad 19 increases the peripheral stability of interior baffle ring 17, simultaneously with the mutually supporting of negative pressure pad 27, play the guide effect to the tissue fluid that flows from cross groove outer end, the top of inner ring 16 on the sleeve joint is inwards inclined, the end that the inner ring 16 of inwards inclining makes things convenient for pipe 3 embolias inner ring 16, two weakening holes have been seted up to the upper end of inner ring 16, when the inside wall of pipe 3 overlaps along the lateral wall of inner ring 16, two weakening holes are convenient for inner ring 16 inwards extrudeed, help the user to embolia pipe 3 outside to inner ring 16, the peripheral weakening groove of side 15 has been seted up to the side 15, when the user moves side 15 outward by hand, side 15 through the mutual cooperation of weakening groove and the mutual weakening gap, the side 15 is convenient for to touch the dust contact to the contact.
As shown in fig. 7 to 9, the shielding end 13 further comprises a plurality of cutting members connected with the upper end of the inner ring 16, the cutting members are used for cutting off the negative pressure adhesive film 27 and enabling the catheter 3 to be communicated with the contact members, each cutting member comprises an L-shaped cutting groove 23 which is formed in the inner ring 16, the inner side wall of the cutting groove 23 is fixedly connected with a fixing column 24, the outer side wall of the fixing column 24 is rotatably connected with a rotating rod 22, one end of the rotating rod 22 extends out of the cutting groove 23, the other end of the rotating rod is rotatably connected with a guide block 25, the guide block 25 is slidably connected with the inner side wall of the cutting groove 23, the upper end of the guide block 25 is fixedly connected with a thorn piece 26 positioned in the cutting groove 23, when a user holds the end of the catheter 3 and the negative pressure adhesive film 27 by hand and enables one end of the catheter 3 to contact the negative pressure adhesive film 27, the side edge 15 of the shielding end 13 is grasped by the other hand, one end of the catheter 3 is slowly extruded into the inner ring 16, the negative pressure film 27 in the conduit 3 is slowly tightened by hand while extruding, meanwhile, one end of the rotating rod 22 is pressed by the inner side wall of the conduit 3, the pressed rotating rod 22 rotates around the fixed column 24, the rotation of the fixed column 24 drives the guide block 25 to move upwards along the cutting groove 23, the thorn piece 26 moves out of the cutting groove 23, the negative pressure film 27 is pierced when the thorn piece 26 moves out, the communication between the conduit 3 and the contact piece is realized, the subsequent negative pressure drainage is convenient, when the conduit 3 is extruded to the periphery of the inner ring 16, the side edge 15 is turned up by hand, the side wall of the conduit 3 is extruded into the groove of the inner ring 16 by the convex part of the side edge 15, the friction of the side edge 15 to the outer side wall of the conduit 3 is increased, the stability during installation is increased, the sealing effect between the shielding end 13 and the conduit 3 is increased by the groove and the bulge, avoiding leakage of tissue fluid.
Through setting up the cutting member, when the user will shelter from between end 13 and the pipe 3 mutually, the inside wall of pipe 3 and the lateral wall extrusion of inner ring 16, also screw in the mode of pipe 3 and shelter from end 13 relative rotation simultaneously, pipe 3 is to pushing down the dwang 22, also to the negative pressure pad pasting 27 between pipe 3 and the inner ring 16 tightly, drive guide block 25 and thorn piece 26 and shift up along cutting groove 23 after the dwang 22 pressurized, the thorn piece 26 punctures the negative pressure pad pasting 27 after tightly, whole installation step has realized just puncturing negative pressure pad pasting 27 when pipe 3 and shelter from end 13 installation, intercommunication between pipe 3 and the rubber face 20 has increased the laminating degree simultaneously, prevent that negative pressure pad pasting 27 fracture department seals not, influence the effect of negative pressure drainage, avoided cutting off negative pressure pad pasting 27 with the scissors and passed negative pressure pad pasting 27 with pipe 3, the convenience when having increased the operation, the time spent in the time of saving field operations.
As shown in fig. 2 and fig. 4, the fixing device 2 for limiting the drawing of the conduit 3 is arranged outside the conduit 3, the fixing device 2 comprises a sleeve column 201 positioned outside the conduit 3, the upper end of the sleeve column 201 is fixedly connected with a rubber block 202, a limiting ring 204 is sleeved outside the sleeve column 201, a restraining groove 203 matched with the limiting ring 204 is formed in the outer side wall of the rubber block 202, when a user waves the limiting ring 204 upwards by hands, the limiting ring 204 slowly moves into the restraining groove 203, the rubber block 202 moves towards one side of the conduit 3 after being extruded by the limiting ring 204 due to the fact that the weakening groove is formed in the inner side wall of the rubber block 202, the outer side wall of the conduit 3 is extruded, the conduit 3 is prevented from being drawn back and forth, a plurality of annular grooves are formed in the inner side wall of the rubber block 202, the deformation amount of the rubber block 202 is increased, and a rope can be placed in the restraining groove 203 to be slowly tightened during a war, so that the drawing of the conduit 3 is limited.
As shown in fig. 1 and 2, the lower end of the sleeve column 201 is fixedly connected with a first rubber pad 1, both ends of the first rubber pad 1 are respectively provided with an elastic belt 5, one end of one elastic belt 5 is fixedly connected with the first rubber pad 1, one end of the other elastic belt 5 is fixedly connected with a clamping hook 11 matched with the first rubber pad 1, a second rubber pad 6 is fixedly connected between the two elastic belts 5, the two elastic belts are conveniently and directly bound on arms or legs in the field of war through the mutual matching between the first rubber pad 1, the second rubber pad 6 and the two elastic belts 5, square holes are formed in the middle of the elastic belts 5, air holes 10 are formed in both sides of the square holes of the elastic belts 5, the use of materials is saved, the ventilation effect is increased, mounting holes 9 are formed in the middle of the second rubber pad 6, the mounting hole 9 facilitates the use person to stretch out pipe 3 from mounting hole 9, stretch out the back and install pipe 3, negative pressure pad 27 and shelter from end 13 each other, after the installation through pulling pipe 3, will shelter from end 13 and remove to the cover post 201 in, use rapidly in the field, the inside wall fixedly connected with of second rubber pad 6 is a plurality of slipmats 7, the ripple groove 8 has been seted up on the slipmat 7, the frictional force with patient's arm or shank is increased to ripple groove 8, the lateral wall fixedly connected with of a pair of elastic band 5 is mutually supported magic subsides 12, with two magic subsides 12 adhesion each other, be convenient for shelter from mounting hole 9, reduce external dust and glue on shelter from end 13, be convenient for prepare equipment in advance, carry when supplying the field operations.
Through setting up the mutually supporting between first rubber pad 1, second rubber pad 6 and the two elastic bands 5, be convenient for directly tie up on arm or leg in the time of the field battle, mounting hole 9 makes things convenient for the user to stretch out pipe 3 from mounting hole 9, stretch out the back with pipe 3, negative pressure pad pasting 27 and shelter from end 13 and install each other, shelter from end 13 retract in the loop column 201 after the installation, be convenient for prepare the equipment in advance, use rapidly in the time of the field battle, with two magic tapes 12 adhesion each other, be convenient for shelter from mounting hole 9, reduce external dust simultaneously and glue on shelter from end 13, need use when the field battle, only need separate magic tape 12, stretch trip 11 around the arm of patient or the mutual chucking of shank back and first rubber pad 1, can adopt drainage ball 4 to carry out the use of negative pressure drainage, more be applicable to the field battle.
According to the technical scheme, through the arrangement of the contact piece and the sleeve joint piece, tissue fluid at the cross-shaped groove on the contact piece is slowly drained into the guide pipe through the holes on the connecting edge, the connecting edge is located in the rubber surface, so that the holes are prevented from being in direct contact with the skin of a patient, the guide pipe is prevented from being adsorbed to tissues of a human body, the drainage effect of the guide pipe on the tissue fluid is influenced, meanwhile pain of the patient is increased, the stability of the periphery of the inner baffle ring is increased, the guide ball is matched with the negative pressure pad during operation, the tissue fluid flowing out of the outer end of the cross-shaped groove plays a guiding role, the top end of the inner ring on the sleeve joint piece is inclined inwards, the inner ring inclined inwards facilitates the end of the guide pipe to be sleeved into the inner ring, the two weakening holes are formed in the upper end of the inner ring, when the inner side wall of the guide pipe is sleeved along the outer side wall of the inner ring, the two weakening holes facilitate the inner ring to be inwards extruded, a user is facilitated to sleeve the guide pipe to the outer side of the inner ring, when the user moves the side edge outwards by hands, the side edge is provided with the weakening grooves, and the side edge is matched with the negative pressure pad during operation, the side edge is convenient to move the side edge to tilt the side edge to the dust shield the contact piece.
Through setting up the cutting part, when the user will shelter from between end and the pipe mutually, the inside wall of pipe extrudees with the lateral wall of inner ring, also screw in the pipe with shelter from the relative pivoted mode of end simultaneously, the pipe pushes away the dwang downwards, also tighten the negative pressure pad pasting between pipe and the inner ring simultaneously, drive guide block and thorn piece after the dwang pressurized and move along cutting groove, the thorn piece punctures the negative pressure pad pasting after stretching, just puncture the negative pressure pad pasting when pipe and shelter from the end installation, the intercommunication each other between pipe and the rubber face has been realized to whole installation step, the negative pressure pad pasting after stretching simultaneously has increased the laminating degree, prevent that negative pressure pad pasting fracture department from sealing is not tight, influence the effect of negative pressure drainage, avoided cutting off the negative pressure pad pasting with the scissors after passing the pipe negative pressure pad pasting, convenience when having increased the operation, time spent when having practiced thrift the field operations.
Through setting up the mutually supporting between first rubber pad, second rubber pad and the two elastic bands, be convenient for directly bind on arm or leg in the field, the mounting hole facilitates the use personnel stretch out the pipe from the mounting hole, stretch out the back with pipe, negative pressure pad membrane and shelter from the end and install each other, shelter from the end after the installation and withdraw in the loop column, be convenient for prepare the equipment in advance, use rapidly in the field, with two magic tapes adhesion each other, be convenient for shelter from the mounting hole, reduce external dust simultaneously and glue on sheltering from the end, need use when the field operation, only need separate the magic tape, around the arm of patient or shank one week after with first rubber pad mutual chucking at tensile trip, can adopt the drainage ball to carry out the use of negative pressure drainage, more be applicable to the field operation.
The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the above description of the preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will fully be understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the embodiments described above may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium, such as: ROM/RAM, magnetic disks, optical disks, etc.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. A field negative pressure drainage device, comprising: the catheter is characterized in that one end of the catheter is sleeved with a drainage ball, the other end of the catheter is connected with a shielding end head, and the shielding end head is used for contacting the skin of a patient and generating negative pressure through the action of the drainage ball to absorb tissue fluid flowing out of a wound of the patient;
the shielding end head comprises a contact piece and a sleeve joint piece which are connected, the contact piece comprises a low ring connected with the sleeve joint piece, an inner baffle ring which is a vortex ring is fixedly connected to the inner side wall of the low ring, a rubber surface is fixedly connected to the bottom end of the inner baffle ring, a cross-shaped groove is formed in the rubber surface, a connecting edge with a hole is fixedly connected to one side, facing the inner baffle ring, of the side wall of the cross-shaped groove, and the sleeve joint piece is connected with the guide pipe;
the outside of the catheter is provided with a fixing device for limiting the pulling of the catheter;
the sleeve joint piece comprises an inner ring and a side edge which are respectively and fixedly connected with the inner edge and the outer edge of the low ring, the inner side wall of the side edge is fixedly connected with a plurality of bulges, the outer side wall of the inner ring is provided with a plurality of grooves matched with the bulges, the side wall of the catheter is sleeved between the inner ring and the side edge, the top end of the inner ring is inclined inwards, the opposite two sides of the side edge are provided with notches, and the side edge can turn along the two sides of the low ring;
the shielding end head is characterized by further comprising a plurality of cutting pieces connected with the upper end of the inner ring, the cutting pieces are used for cutting off negative pressure films and enabling the guide pipes to be communicated with the contact pieces, each cutting piece comprises a cutting groove which is formed in the inner ring and is L-shaped, the inner side wall of the cutting groove is fixedly connected with a fixing column, the outer side wall of the fixing column is rotationally connected with a rotating rod, one end of the rotating rod extends out of the cutting groove, the other end of the rotating rod is rotationally connected with a guide block, the guide block is in sliding connection with the inner side wall of the cutting groove, and the upper end of the guide block is fixedly connected with a thorn piece positioned in the cutting groove.
2. The field negative pressure drainage device according to claim 1, wherein a plurality of liquid passing holes are formed in the outer side wall of the inner baffle ring, and a pair of support plates are fixedly connected to the outer side wall of the inner baffle ring and located at each liquid passing hole.
3. The field negative pressure drainage device according to claim 1, wherein the fixing device comprises a sleeve column positioned outside the catheter, a rubber block is fixedly connected to the upper end of the sleeve column, a limiting ring is sleeved outside the sleeve column, and a limiting groove matched with the limiting ring is formed in the outer side wall of the rubber block.
4. The negative pressure drainage device for field operations according to claim 3, wherein the lower end of the sleeve column is fixedly connected with a first rubber pad, both ends of the first rubber pad are respectively provided with an elastic band, one end of the elastic band is fixedly connected with the first rubber pad, one end of the other elastic band is fixedly connected with a clamping hook matched with the first rubber pad, and a second rubber pad is fixedly connected between the two elastic bands.
5. The negative pressure drainage device for field operations according to claim 4, wherein the middle part of the elastic belt is provided with a square hole, and the elastic belt is provided with ventilation holes at two sides of the square hole.
6. The negative pressure drainage device for field operations according to claim 4, wherein the middle part of the second rubber pad is provided with a mounting hole, the inner side wall of the second rubber pad is fixedly connected with a plurality of anti-skid pads, and the anti-skid pads are provided with corrugated grooves.
7. The field negative pressure drainage device according to claim 4, wherein the outer side walls of the pair of elastic bands are fixedly connected with magic tapes which are matched with each other.
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| CN115998972B true CN115998972B (en) | 2023-07-07 |
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| CN212214272U (en) * | 2020-03-02 | 2020-12-25 | 上海交通大学医学院附属第九人民医院 | Medical improvement type negative pressure drainage ball device |
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| TWI396526B (en) * | 2008-05-20 | 2013-05-21 | Ind Tech Res Inst | Oral interface apparatus with negative pressure and method for maintianing oral negative pressure and collecting saliva |
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| CN211675579U (en) * | 2019-12-16 | 2020-10-16 | 苏州市吴中人民医院 | Percutaneous puncture negative pressure drainage device |
| CN215504672U (en) * | 2021-08-19 | 2022-01-14 | 广东省英德市人民医院 | Fixed drainage ball of parotid gland tumour excision postoperative wound negative pressure |
| CN216824290U (en) * | 2021-11-25 | 2022-06-28 | 李栋 | Prevent blockking up hydrops drainage ware based on mammary gland thyroid surgery is with wearing formula |
| CN218129538U (en) * | 2022-06-14 | 2022-12-27 | 大连医科大学附属第二医院 | Anti-displacement improved abdominal cavity drainage tube |
| CN218420618U (en) * | 2022-07-18 | 2023-02-03 | 张洪来 | Anti-slip negative pressure drainage tube |
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| CN104117131A (en) * | 2014-07-22 | 2014-10-29 | 翁跃勤 | Negative pressure incision healing device and method |
| CN211751303U (en) * | 2019-06-28 | 2020-10-27 | 李爱霞 | A drainage device for medical oncology |
| CN212214272U (en) * | 2020-03-02 | 2020-12-25 | 上海交通大学医学院附属第九人民医院 | Medical improvement type negative pressure drainage ball device |
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