CN111166433A - Hemostatic and analgesic liquid injection device for battlefield and field - Google Patents
Hemostatic and analgesic liquid injection device for battlefield and field Download PDFInfo
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- CN111166433A CN111166433A CN201910508196.8A CN201910508196A CN111166433A CN 111166433 A CN111166433 A CN 111166433A CN 201910508196 A CN201910508196 A CN 201910508196A CN 111166433 A CN111166433 A CN 111166433A
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- puncture needle
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- 239000007788 liquid Substances 0.000 title claims abstract description 96
- 230000002439 hemostatic effect Effects 0.000 title claims abstract description 12
- 230000000202 analgesic effect Effects 0.000 title claims abstract description 10
- 238000002347 injection Methods 0.000 title claims description 23
- 239000007924 injection Substances 0.000 title claims description 23
- 238000001802 infusion Methods 0.000 claims abstract description 12
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 13
- 230000023597 hemostasis Effects 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 210000004247 hand Anatomy 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 210000003813 thumb Anatomy 0.000 claims description 2
- 210000001835 viscera Anatomy 0.000 claims description 2
- 208000027418 Wounds and injury Diseases 0.000 description 12
- 206010002091 Anaesthesia Diseases 0.000 description 4
- 230000037005 anaesthesia Effects 0.000 description 4
- 206010065929 Cardiovascular insufficiency Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
- A61B2090/065—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension for measuring contact or contact pressure
Abstract
A hemostatic and analgesic infusion device for battlefield and field use, the number of puncture needles is enough to ensure that any possible broken blood vessels are sealed by tissue infusion and pressurization on the whole wound path wall; the two solutions solve the problem that the puncture needle is hollow in the pleuroperitoneal cavity, firstly, a special piston rod is designed at the special puncture needle point to ensure that the puncture needle entering the tissue is selectively opened; and the other is a special liquid separator and single chip microcomputer module, a pressure sensor and a valve are arranged on a liquid path of each puncture needle, and the pressure of the liquid path of the puncture needle with liquid leakage is abnormally reduced, so that the puncture needle is sensed and prompts the manual selective closing of the liquid path.
Description
Technical Field
The invention relates to a hemostatic and analgesic infusion device for battlefields and fields, belonging to the field of medical instruments. Is a novel product of the invention patent 2015103196070 wound anesthesia hemostasis injector.
Background
The inventor proposes a trauma anesthesia hemostasis injector with an authorized patent number of 2015103196070 at 2015.06.12, creates a brand-new hemostasis technology, overcomes the defects that the distal limb of the conventional tourniquet is necrotic, cannot relieve pain and even aggravates, and can solve the hemostasis problem of the trunk trauma.
The invention patent 2015103196070 discloses two designs of a straight needle which is penetrated in parallel around a wound path through the surrounding skin and is penetrated obliquely towards the side wall through the wound path. Under the support of military science foundation 'research and application of novel battlefield anesthesia hemostasis device', the inventor carries out research on the patent, and finds that in the implementation, each injection point can only ensure that tissues can be maintained in a continuous high-pressure state within a range of 2cm in radius, and when the battlefield and peaceful scene rescue are carried out, the requirement of sealing the ruptured blood vessels for hemostasis can be met, so that the lives of the wounded can be clinically saved only by arranging as many puncture needles as possible in a puncture outfit as thin as possible to ensure that all ruptured and bleeding blood vessels on the wound wall are sealed, therefore, D, E two new type injection devices and matched liquid distributor and single chip microcomputer modules are additionally arranged, the number of the puncture needles is enough to ensure that tissue injection pressurization is carried out on the whole wound wall, any ruptured blood vessels which possibly exist are sealed, if the first-aid kit is arranged in a public place, the ordinary people can operate to perform emergency hemostasis on the wounded; when the puncture needle is used for thoracoabdominal cavity hemostasis, part of the puncture needle can enter a thoracoabdominal cavity instead of visceral organ tissues, and when the puncture needle is empty, liquid mainly enters the thoracoabdominal cavity instead of peripheral tissues of a ruptured blood vessel, so that the pressure on the ruptured blood vessel is difficult to maintain, and excessive liquid input can be caused; the invention provides two solutions, one is to design a special piston cap at the puncture needle tip to ensure that the puncture needle entering the tissue is selectively opened and the puncture needle entering the tissue thoracoabdominal cavity is in a closed state; and secondly, a special liquid distributor and a single chip microcomputer module are designed, a pressure sensor and a valve are arranged on a liquid path of each puncture needle, and the pressure of the liquid path of the puncture needle with liquid leakage is abnormally reduced, so that the puncture needle is sensed and prompts the user to manually and selectively close the liquid path.
Disclosure of Invention
The invention relates to a hemostatic and analgesic liquid injection device for battlefield and field, belonging to the field of medical apparatus, compared with the wound anesthesia hemostatic liquid injector disclosed in patent 2015103196070, the hemostatic liquid injection device disclosed by the invention is innovated as follows:
1. two types of liquid injectors are additionally arranged, the serial number is D, E, the density of the puncture needle is greatly increased, and the effect is ensured;
2. a special puncture needle tip and a piston cap are designed, so that a hollow puncture needle can be selectively closed;
3. a special semi-automatic liquid injection system is designed, the pressure of each liquid injection point can be sensed, and the falling puncture needle liquid path is prompted to be manually and selectively closed.
Drawings
FIG. 1 is an overall view of a D-type injector and an E-type injector of the embodiment of the hemostatic and analgesic injection device for battlefield and scene
FIG. 2 is a view of the inner core and outer sleeve members of a D-shaped syringe according to one embodiment;
FIG. 3 is a view of a special puncture needle member of a D-shaped syringe according to an embodiment, and FIGS. 3A, 3B and 3C are cross-sectional views of FIG. 3;
FIGS. 4 and 5 are schematic views of the assembly and use of a D-shaped injector according to an embodiment; FIG. 4A is a cross-sectional view taken along line A of FIG. 4; FIG. 4B is a cross-sectional view taken along line B of FIG. 4; FIG. 5A is a sectional view taken along line A of FIG. 5; FIG. 5B is a cross-sectional view taken along line B of FIG. 5
FIG. 6 is a component view of the cone of the E-type liquid injector of the second embodiment; FIG. 6A is a longitudinal cross-sectional view of FIG. 6;
FIG. 7 is a view showing the cone and needle combination of the syringe of type E of the second embodiment: fig. 7A, 7B, 7C and 7D are horizontal sectional views of section A, B, C, D of fig. 7
FIG. 8 is a component view of a puncture needle of a model E syringe according to an embodiment
FIG. 9 is a general bottom view of a dispenser for use with the type E filler of the second embodiment;
FIG. 10 is a top view of the components of the dispenser
FIG. 11 is a lower view of the components of the dispenser
FIG. 12 is a general view of the dispenser; fig. 12A and 12B are vertical sectional views of fig. 12;
FIG. 13 is a circuit diagram of an integrated circuit board of the dispenser assembly
FIG. 14 is a schematic diagram of a single-chip microcomputer module
In the figure, the 1D type injector 1.1 inner core 1.1.1 injection tube interface 1.1.2 inner cavity 1.1.3 side wall puncture needle interface 1.1.4 central puncture needle interface 1.2 outer sleeve 1.2.1 guide rail 1.2.2 inner core inlet 1.2.3 drainage tube interface 1.2.4 elliptic window 1.2.5 central hole 1.3 special puncture needle 1.3.1 special pin 1.3.2 special hollow needle tube 1.3.3 special needle point 1.3.4 special needle point 1.3.5 wedge piston 1.3.6 wedge piston 1.7 wedge piston cap 2E type injector 2.1 cone 2.1.1 flat bottom 2.1.2.3 inlet 2.1.3 guide tube cavity 2.1.4 guide tube cavity 2.1.5 casing 2.1.6 abe puncture needle outlet 2.1.7 flat bottom 2.1.2.2.3.3 inlet 2.4 guide tube cavity 2.1.5 outer casing 2.1.3 abe puncture needle tube outlet 2.3.2.3.2.3 abe puncture needle tube 2.1.2.3.2.3.2 open needle tube 2.3.2.3.3.2.3 open 2.3.2.2.2.3.2 open needle tube 2.3.2.3.2.2.3.2.2.2.3.2 open needle tube 2.2.2.3.2.2.2.3.2.2. Valve piston rod 3.1.7 regulating valve hollow screw knob 3.1.8 liquid separating side hole 3.1.9 annular groove 3.1.10 liquid injecting pipe side hole 3.1.11 liquid injecting pipe interface 3.1.12 main body hollow positioning fastening bolt 3.23.2.1 bottom cover 3.2.1 bottom cover base plate 2.2.2 annular protrusion 3.3 sealing diaphragm 3.3.1 diaphragm positioning hole 3.4 pressing sheet 3.4.1 pressing sheet square hole 3.4.2 pressing sheet positioning hole 3.5 integrated circuit board 3.5.1 pressure sensor chip 3.5.2 circuit board positioning hole 3.5.3 light emitting diode 3.5.4 sensor cable 3.5.5 sensor chip high level independent output pin com1 out-1 low level combined output 1 com 2-2 low level combined output 2 com3 in + common power supply anode com4 common power supply cathode 3.5.6 light emitting diode cable 2.5.7 light emitting diode circuit independent pin top cover 3.6.1 bottom cover 3.6.2 fastening cable opening 3.6.3 top cover 3.6.4 top cover positioning fastening hole 3.6.5 diode perforation 3.7 fastening screw 4 single chip microcomputer module 4.1 sensor signal input 4.2 central processor 4.3 diode circuit output;
Detailed Description
As shown in figures 1, 9 and 14, the hemostatic and analgesic infusion device for battlefield and scene is divided into a D-type infusion device (1), an E-type infusion device (2), a liquid separation regulator F-type infusion device (3) and a singlechip module (4).
As shown in figures 1, 2 and 3, the D-shaped injector (1) consists of an inner core (1.1), an outer sleeve (1.2) and a special puncture needle (1.3).
As shown in fig. 1, 2 and 4, the section of the inner core (1.1) is in an oval strip shape, a liquid injection pipe interface (1.1.1) is arranged at the blind end of one side, a hollow inner cavity (1.1.2) is formed, side wall puncture needle interfaces (1.1.3) are arranged on the side walls in pairs, a central puncture needle interface (1.1.4) is arranged at the tail end of the inner core (1.1), and the puncture needle interfaces are connected through the inner cavity (1.1.2); the outer sleeve (1.2) is a thin-walled tube with an oval section, guide rails (1.2.1) are arranged on the side walls of the two sides of the oval minor diameter so that the inner core (1.1) can slide in the outer sleeve, one end of the outer sleeve (1.2) is provided with an inner core inlet (1.2.2) and a drainage tube connector (1.2.3), oval windows (1.2.4) are symmetrically distributed on the side wall of the outer sleeve (1.2) in pairs, the other end of the outer sleeve (1.2) is gradually narrowed into a cone shape, and the sharp top is provided with a central hole (1.2.5).
As shown in fig. 3 and 4, the special puncture needle (1.3) is a special hollow needle tube (1.3.2), one end is a special stitch (1.3.1), and the other end is a special needle point (1.3.3); the special needle point (1.3.3) is contracted into a special needle point shrinkage hole (1.3.4), a wedge-shaped piston (1.3.5) enters the special hollow needle tube (1.3.2) from a special pin (1.3.1), a wedge-shaped piston rod (1.3.6) penetrates out of the special needle point shrinkage hole (1.3.4), and a wedge-shaped piston cap (1.3.7) is blocked by the special needle point shrinkage hole (1.3.4) to seal the special needle point shrinkage hole (1.3.4).
As shown in fig. 5, during assembly, the inner core (1.1) is inserted from the inner core inlet (1.2.2) along the guide rail (1.2.1) of the outer sleeve (1.2) until the side wall puncture needle connector (1.1.3) on the side wall of the inner core (1.1) corresponds to the oval window (1.2.4) on the side wall of the outer sleeve (1.2); inserting a special pin (1.3.1) of the special puncture needle (1.3) into the side wall puncture needle interface (1.1.3) of the inner core (1.1) from the oval window (1.2.4) of the outer sleeve (1.2) for dispensing and fixing (figures 7, 9 and 9A), and then inserting the special pin (1.3.1) of the special puncture needle (1.3) into the central puncture needle interface (1.1.4) of the inner core (1.1) from the central hole (1.2.5) of the outer sleeve (1.2).
As shown in figures 1, 4 and 5, when in use, the liquid injection tube interface (1.1.1) of the inner core (1.1) is connected with an infusion device to empty the air in the inner cavity (1.1.2) and the special puncture needle (1.3); drawing back the inner core (1.1) to enable the special needle point (1.3.3) of the special puncture needle (1.3) to be positioned in the oval window (1.2.4) and the central hole (1.2.5) (figures 8 and 8A), placing the outer sleeve (1.2) in the wound path to be fixed by hands, pushing the inner core (1.1) to move forwards in the outer sleeve (1.2) by a thumb, and inserting the special puncture needle (1.3) on the inner core (1.1) into tissues around the wound (figures 1, 9 and 9A) from the oval window (1.2.4) and the central hole (1.2.5) on the outer sleeve (1.2) by the special puncture needle (1.3) on the inner core (1.1); when the tissue is punctured, the tissue pushes the wedge-shaped piston rod (1.3.6), the wedge-shaped piston cap (1.3.7) leaves the special needle point shrinkage cavity (1.3.4), and liquid enters the tissue from a gap between the wedge-shaped piston cap (1.3.7) and the special hollow needle tube (1.3.2) and a gap between the wedge-shaped piston rod (1.3.6) and the special needle point shrinkage cavity (1.3.4); when the special puncture needle (1.3) is empty, the closed state of the wedge-shaped piston cap (1.3.7) to the special puncture needle tip shrinkage cavity (1.3.4) is kept, and liquid leakage and accidental pressure reduction of a liquid injection system are prevented.
As shown in figures 1, 6, 7 and 8, the E-shaped liquid injector (2) comprises a cone (2.1) and a puncture needle (2.2), and is matched with a liquid separator (3) and a singlechip module (4) for use.
FIG. 1, FIG. 6, FIG. 7; puncture needle inlets (2.1.3) of guide tubes (2.1.2) are densely distributed in the center of a flat bottom part (2.1.1) of a cone (2.1) of the E-type injector (1), the guide tubes (2.1.2) which are arranged in parallel in a bundle shape are gradually spirally and radially separated, a bent guide tube cavity (2.1.4) is connected with the puncture needle inlets (2.1.3) and puncture needle outlets a, b, c, d (2.1.6 a, b, c, d) on a shell (2.1.5), and the most central guide tube penetrates out from a puncture needle outlet E (2.1.6E) on a tip part (2.1.7); drainage holes (2.1.8) are arranged on the shell (2.1.5), the drainage pipe connector (2.1.10) is connected through an outer gap (2.1.9), and a baffle (2.1.11) is arranged on the opposite side of the connector (2.1.10); the puncture needle (2.2) comprises a stitch (2.2.1), a hollow needle tube (2.2.2) and a needle tip (2.2.3); the puncture needles abcde (2.2 abcde) are correspondingly used with puncture needles with different lengths according to the different distances between the puncture needle inlet (2.1.3) and the puncture needle outlet abcde (2.1.6 abcde) of the cone (2.1).
As shown in fig. 9, 10 and 11, the liquid separation regulator (3) includes a main body (3.1), a bottom cover (3.2), a sealing membrane (3.3), a pressing sheet (3.4), an integrated circuit board (3.5), a top cover (3.6) and a fastening screw (3.7).
As shown in fig. 9, 10, 11 and 12, a puncture needle socket (3.1.1) is arranged in the center of the bottom of the main body (3.1), the socket leads to a liquid separation tank (3.1.2) above, the liquid separation tank is radially arranged from the center to the outside, the outer end of the liquid separation tank is expanded into a main body square hole (3.1.3), the latter is connected with an adjusting valve pipe cavity (3.1.4), the adjusting valve pipe cavity (3.1.4) is expanded to the outside to form an inner screw (3.1.5), an adjusting valve piston rod (3.1.6) and an adjusting valve hollow screw knob (3.1.7) are integrated, the adjusting valve piston rod (3.1.6) is arranged in the adjusting valve pipe cavity (3.1.4), and the adjusting valve hollow screw knob (3.1.7) is screwed with the inner screw (3.1.4; the regulating valve pipe cavity (3.1.4) is continuous with an annular groove (3.1.10) at the periphery of the bottom through a liquid separating side hole (3.1.8), a regulating valve hollow screw knob (3.1.7) is rotated to enable a regulating valve piston rod (3.1.6) to move back and forth on the regulating valve pipe cavity (3.1.4), so that the liquid separating side hole (3.1.8) on the regulating valve pipe cavity (3.1.4) is opened or closed, the annular groove (3.1.9) is communicated with a liquid injecting pipe interface (1.1.11) through a liquid injecting side hole (3.1.10), and a main body hollow positioning fastening bolt (3.1.12) is arranged at the periphery of the upper surface of the main body (3.1; an annular bulge (2.2.2) is arranged on a bottom cover substrate (3.2.1) of the bottom cover (3.2); the periphery of the sealing membrane (3.3) is provided with a membrane positioning hole (3.3.1); the tabletting (3.4) is uniformly provided with tabletting square holes (3.4.1) in an annular shape, and tabletting positioning holes (3.4.2) are arranged towards the periphery; the pressure sensor chip (3.5.1) is annularly distributed below the integrated circuit board (3.5), a penetrating circuit board positioning hole (3.5.2) is formed outwards, and the light emitting diode (3.5.3) is annularly distributed on the periphery of the upper surface of the integrated circuit board (3.5).
As shown in fig. 13, the pressure sensor chips (3.5.1) are wheatstone full bridges, each of the pressure sensor chips has two dc power input contacts, i.e. positive power (in +) and negative power (in-), three signal source output contacts, i.e. low output 1 (out-1) and low output 2 (out-2), and high output (out +), on the integrated circuit board (3.5), the low outputs 1 (out-1) and 2 (out-2) of all the pressure sensor chips are combined into com1, the low outputs 2 (out-2) are combined into com2, the positive power (in +) is combined into com3, the negative power (in-) is combined into com4, each of the chips has high independent output pin (3.5.5) (out +), the sensor cable (3.5.4) includes 14 high independent output pins (3.5.5) of the sensor chips, and the low combined output 1(com 1-1), the low level combined output 2(com2out-2), the common power supply anode (com3 in +) and the common power supply cathode (com4), under the condition that the direct current supply voltage is the same and the low level output is equal in potential, the voltage signal of each chip high level independent output pin (3.5.5) (out +) can reflect the pressure level monitored by each chip.
As shown in fig. 13, each led (3.5.3) has two pins, i.e., low pin and high pin, and when the low pins or high pins of all the leds are combined to com, the led can be switched on or off independently by switching on or off the low pin or high pin led out independently from each led; the LED cable (3.5.6) includes an LED circuit independent pin (2.5.7) and an LED circuit common pin (com).
As shown in fig. 9, 10, 11 and 12, a cable notch (3.6.2) is formed in one side of the lower opening (3.6.1) of the top cover (3.6), top cover positioning and fastening hollow columns (3.6.3) are uniformly distributed on the top cover (3.6) corresponding to the positioning holes, the center of each column is provided with a reduced top cover positioning and fastening hole (3.6.4), and diode through holes (3.6.5) are uniformly distributed on the periphery of the top cover.
As shown in fig. 14, the single chip module (4) mainly includes a sensor signal input (4.1), a central processing unit (4.2) and a diode circuit output (4.3); the sensor signal input (4.1) is connected to 14 sensor chip high-level independent output pins (3.5.5) through a sensor cable (3.5.4), a low-level combined output 1(com1 out-1), a low-level combined output 2(com2out-2), a common power supply anode (com3 in +) and a common power supply cathode (com 4); the diode circuit output (4.3) is output through a light emitting diode cable (3.5.6) to a light emitting diode circuit independent pin (2.5.7) and a light emitting diode circuit shared pin (com).
As shown in figures 1, 6 and 7, when the E-shaped injector (2) is assembled, the needle points (2.2.3) of puncture needles a, b, c, d and E (2.2 abcde) with different lengths enter the guide tube cavity (2.1.4) from the puncture needle inlet (2.1.3) of the cone (2.1) and then respectively penetrate out from the puncture needle outlets a, b, c, d and E (2.1.5 a, b, c, d and E).
As shown in fig. 12, when the liquid separation regulator (3) is assembled, the annular convex part (3.2.2) of the bottom cover (3.2) is pressed into the annular groove (3.1.9) on the bottom surface of the main body (3.1) to form an annular cavity; then, a sealing diaphragm (3.3), a pressing sheet (3.4), an integrated circuit board (3.5) and a top cover (3.6) 3.6.3 are sequentially arranged on the main body (3.1), a diaphragm positioning hole (3.3.1), a pressing sheet positioning hole (3.4.2) and a circuit board positioning hole (3.5.2) are sequentially sleeved on the main body hollow positioning fastening bolt (3.1.12), a top cover positioning fastening hollow column (3.6.3) is further added, a fastening screw (3.7) penetrates through the top cover positioning fastening hole (3.6.4) to be screwed and pressed with the main body hollow positioning fastening bolt (3.1.12) for fixing, a liquid separating groove (3.1.2) on the main body (3.1) is covered with the sealing diaphragm (3.3) and the pressing sheet (3.4), a sealing diaphragm (3.3) and a square pressing sheet hole (3.4.1) are arranged above a main body square hole (3.1.3), a pressure sensor chip (3.5.2) below the integrated circuit board (3.5) penetrates through the pressing sheet (3.4.2) to be directly contacted with the square hole (3.3.1) of the pressing sheet (3.4), thereby detecting the liquid pressure in the main body square hole (3.1.3) at any time.
As shown in fig. 1, a pin (2.2.1) of an E-shaped liquid injector (2) is inserted into a puncture needle socket (3.1.1) of a liquid distributor (3), and the glue is dispensed and firmly bonded; the two are combined to complete.
In use, as shown in fig. 1 and 12, the filling tube interface (3.1.12) of the dispenser (3) is connected with the infusion set, and the air in the filling tube interface (3.1.12) to the puncture needle point (2.3.3) is emptied; confirming that the needle points (2.2.3) of puncture needles a, b, c, d and E (2.2 abcde) of an E-type injector (2) are all positioned in a puncture needle outlet (2.1.6 abcde) of a cone (2.1) (figure 6, 6A), placing the cone (2.1) in a wound path to fix by hand, pushing a liquid dispenser (3) to approach the cone (2.1), pushing a hollow needle tube (2.2.2) of the puncture needle (2.2 abcde) to slide in a guide tube cavity (2.1.4), inserting the needle point (2.2.3) into tissues around a wound in an inclined way, and starting injection hemostasis (figure 1); if more blood flows out of the wound from the drainage tube interface (2.1.10) or the wound is positioned on the chest, the drainage tube interface (2.1.10) is externally connected with a negative pressure drainage device;
as shown in fig. 12 and fig. 13, the liquid separating groove (3.1.2) connected with each puncture needle socket (3.1.1) and the sensing sensor chip independent pin number on the main body square hole (3.1.3), the number of the independent pins of the light emitting diode above the pipe cavity (3.1.4) of the regulating valve outside the main body square hole (3.1.3) is the same, when the liquid path puncture needle is empty, the pressure of the liquid path is obviously lower than that of other liquid paths, the liquid pressure of the main body square hole (3.1.3) can cause the voltage of the independent output signal of the pressure sensor on the main body square hole to be lower than that of other sensors, after the signals of the path are processed and compared by the singlechip, the LED circuits with the same number are switched on, the LEDs are lightened, a user is prompted to manually rotate a regulating valve hollow screw knob (3.1.7) on the liquid path, a regulating valve piston rod (3.1.6) is pushed to close a liquid separation side hole (3.1.8) on a liquid path regulating valve tube cavity (3.1.4), and therefore liquid infusion of the liquid path is closed.
Claims (3)
1. A hemostatic and analgesic device for battlefields and fields is characterized in that: d, E two new types of liquid injectors, liquid dispensers and single chip microcomputer modules are added, and the number of puncture needles is enough to ensure that tissue injection and pressurization are carried out on the whole wound wall to seal any possible broken blood vessels; aiming at the condition that a puncture needle enters a thoracoabdominal cavity instead of the hollow condition in the visceral organ tissues, the two solutions are that firstly, a special piston rod is designed at a special puncture needle point to ensure that the puncture needle entering the tissues is selectively opened and the puncture needle entering the thoracoabdominal cavity of the tissues is in a closed state; and the other is a special liquid separator and single chip microcomputer module, a pressure sensor and a valve are arranged on a liquid path of each puncture needle, and the pressure of the liquid path of the puncture needle with liquid leakage is abnormally reduced, so that the puncture needle is sensed and prompts the manual selective closing of the liquid path.
2. A hemostatic and analgesic device for use in the battlefield and on-site of claim 1, wherein: the D-type injector (1) consists of an inner core (1.1), an outer sleeve (1.2) and a special puncture needle (1.3); the section of the inner core (1.1) is in an elliptic strip shape, the blind end at one side is provided with a liquid injection pipe interface (1.1.1) and a hollow inner cavity (1.1.2), the side walls are provided with side wall puncture needle interfaces (1.1.3) in pairs, the tail end of the inner core (1.1) is provided with a central puncture needle interface (1.1.4) which is connected with the puncture needle interface through the inner cavity (1.1.2); the outer sleeve (1.2) is a thin-walled tube with an oval section, guide rails (1.2.1) are arranged on the side walls of the two sides of the oval minor diameter so that the inner core (1.1) can slide in the outer sleeve, one end of the outer sleeve (1.2) is provided with an inner core inlet (1.2.2) and a drainage tube connector (1.2.3), oval windows (1.2.4) are symmetrically distributed on the side wall of the outer sleeve (1.2) in pairs, the other end of the outer sleeve (1.2) is gradually narrowed into a cone shape, and the sharp top is provided with a central hole (1.2.5); the special puncture needle (1.3) is a special hollow needle tube (1.3.2), one end of the special puncture needle is a special stitch (1.3.1), and the other end of the special puncture needle is a special needle point (1.3.3); the special needle point (1.3.3) is contracted inwards to form a special needle point shrinkage hole (1.3.4), a wedge-shaped piston (1.3.5) enters the special hollow needle tube (1.3.2) from a special pin (1.3.1), a wedge-shaped piston rod (1.3.6) penetrates out of the special needle point shrinkage hole (1.3.4), and a wedge-shaped piston cap (1.3.7) is blocked by the special needle point shrinkage hole (1.3.4) to seal the special needle point shrinkage hole (1.3.4); during assembly, the inner core (1.1) is inserted from the inner core inlet (1.2.2) along the guide rail (1.2.1) of the outer sleeve (1.2) until the side wall puncture needle connecting port (1.1.3) on the side wall of the inner core (1.1) corresponds to the oval window (1.2.4) on the side wall of the outer sleeve (1.2); inserting a special pin (1.3.1) of the special puncture needle (1.3) into the side wall puncture needle interface (1.1.3) of the inner core (1.1) from the oval window (1.2.4) of the outer sleeve (1.2) for dispensing and fixing, and then inserting the special pin (1.3.1) of the special puncture needle (1.3) into the central puncture needle interface (1.1.4) of the inner core (1.1) from the central hole (1.2.5) of the outer sleeve (1.2); when in use, the liquid injection tube interface (1.1.1) of the inner core (1.1) is connected with the infusion device to empty the air in the inner cavity (1.1.2) and the special puncture needle (1.3); retracting the inner core (1.1) to ensure that the special needle point (1.3.3) of the special puncture needle (1.3) is positioned in the oval window (1.2.4) and the central hole (1.2.5), placing the outer sleeve (1.2) in the wound path to be fixed by hands, pushing the inner core (1.1) to move forwards in the outer sleeve (1.2) by a thumb, and inserting the special puncture needle (1.3) and the special needle point (1.3.3) on the inner core (1.1) into the wound tissues from the oval window (1.2.4) and the central hole (1.2.5) on the outer sleeve (1.2); when the tissue is punctured, the tissue pushes the wedge-shaped piston rod (1.3.6), the wedge-shaped piston cap (1.3.7) leaves the special needle point shrinkage cavity (1.3.4), and liquid enters the tissue from a gap between the wedge-shaped piston cap (1.3.7) and the special hollow needle tube (1.3.2) and a gap between the wedge-shaped piston rod (1.3.6) and the special needle point shrinkage cavity (1.3.4); when the special puncture needle (1.3) is empty, the closed state of the wedge-shaped piston cap (1.3.7) to the special puncture needle tip shrinkage cavity (1.3.4) is kept.
3. A hemostatic and analgesic device for use in the battlefield and on-site of claim 1, wherein: the E-type liquid injector (1) and the E-type liquid injector (2) are combined with the liquid separator (3) and the singlechip module (4) for use; the E-type injector (1) comprises a cone (2.1) and a puncture needle (2.2), puncture needle inlets (2.1.3) of guide tubes (2.1.2) are densely distributed in the center of a flat bottom part (2.1.1) of the cone (2.1), the guide tubes (2.1.2) which are arranged in a bundle shape in parallel are gradually spirally and radially separated, a bent guide tube cavity (2.1.4) is connected with the puncture needle inlets (2.1.3) and puncture needle outlets a, b, c, d (2.1.6 a, b, c, d) on a shell (2.1.5), and the most central guide tube penetrates out from a tip part (2.1.7) of the puncture needle outlet E (2.1.6E); drainage holes (2.1.8) are arranged on the shell (2.1.5), the drainage pipe connector (2.1.10) is connected through an outer gap (2.1.9), and a baffle (2.1.11) is arranged on the opposite side of the connector (2.1.10); the puncture needle (2.2) comprises a stitch (2.2.1), a hollow needle tube (2.2.2) and a needle tip (2.2.3); the needle points (2.2.3) of the puncture needles a, b, c, d and e (2.2 abcde) enter the guide tube cavity (2.1.4) from the puncture needle inlet (2.1.3) of the cone (2.1) and then respectively penetrate out from the puncture needle outlets a, b, c, d and e (2.1.5 a, b, c, d and e); a pin (2.2.1) is inserted into a puncture needle socket (3.1.1) of the liquid distributor (3), and the glue is dispensed and firmly bonded;
the liquid separation regulator (3) comprises a main body (3.1), a bottom cover (3.2), a sealing membrane (3.3), a pressing sheet (3.4), an integrated circuit board (3.5), a top cover (3.6) and a fastening screw (3.7); a puncture needle socket (3.1.1) is arranged in the center of the bottom of the main body (3.1), the socket leads to a liquid separating tank (3.1.2) on the upper surface, the liquid separating tank is radially arranged from the center to the outside, the outer end of the liquid separating tank is expanded into a main body square hole (3.1.3), the outer end of the liquid separating tank is connected with a regulating valve pipe cavity (3.1.4), the regulating valve pipe cavity (3.1.4) is expanded to the outside into an inner screw port (3.1.5), a regulating valve piston rod (3.1.6) is arranged in the regulating valve pipe cavity (3.1.4), and a regulating valve hollow screw knob (3.1.7) is screwed with the inner screw port; the regulating valve tube cavity (3.1.4) is continuous with an annular groove (3.1.10) at the periphery of the bottom through a liquid separation side hole (3.1.8), the annular groove (3.1.9) is communicated with a liquid injection tube interface (1.1.11) through a liquid injection side hole (3.1.10), and a main body hollow positioning fastening bolt (3.1.12) is arranged at the periphery of the upper surface of the main body (3.1); an annular bulge (2.2.2) is arranged on a bottom cover base plate (3.2.1) of the bottom cover (3.2), and the annular bulge (3.2.2) is pressed into an annular groove (3.1.9) on the bottom surface of the main body (3.1) to form an annular tube cavity; the periphery of the sealing membrane (3.3) is provided with a membrane positioning hole (3.3.1); the tabletting (3.4) is uniformly provided with tabletting square holes (3.4.1) in an annular shape, and tabletting positioning holes (3.4.2) are arranged towards the periphery; pressure sensor chips (3.5.1) are annularly distributed below the integrated circuit board (3.5), and a circuit board positioning hole (3.5.2) penetrating through the pressure sensor chips is formed outwards; the pressure sensor chips (3.5.1) are Wheatstone full bridges, each pressure sensor chip is provided with two direct current power supply input joints, namely a positive power supply (in +) and a negative power supply (in-), three signal source output joints, namely a low level output 1 (out-1) and a low level output 2 (out-2), and a high level output (out +), the low level outputs 1 (out-1) of all the pressure sensor chips on the integrated circuit board (3.5) are combined into com1, the low level outputs 2 (out-2) are combined into com2, the positive power supply (in +) is combined into com3, the negative power supply (in-) is combined into com4, each chip is provided with a high level independent output pin (3.5.5) (out +), the sensor signal input pin (4.1) of the module (4) is accessed through a sensor cable (3.5.4), a singlechip (3.5.3) is annularly distributed on the periphery of the integrated circuit board (3.5), each light-emitting diode (3.5.3) is provided with two pins of low level and high level, one of the two pins is combined into com, and the other pin is an independent pin and is connected to a pin of a diode circuit output (4.3) of the singlechip module (4) through a light-emitting diode cable (3.5.6); the sealing diaphragm (3.3), the pressing sheet (3.4), the integrated circuit board (3.5) and the top cover (3.6) are sequentially arranged on the main body (3.1), the diaphragm positioning hole (3.3.1), the pressing sheet positioning hole (3.4.2) and the circuit board positioning hole (3.5.2) are all sleeved on the main body hollow positioning fastening bolt (3.1.12), the top cover positioning fastening hollow column (3.6.3) is added, the fastening screw (3.7) penetrates through the top cover positioning fastening hole (3.6.4) to be screwed and pressed and fixed with the main body hollow positioning fastening bolt (3.1.12), a liquid separating tank (3.1.2) on the upper surface of the main body (3.1) is covered with a sealing film (3.3) and a pressing sheet (3.4), a sealing diaphragm (3.3) and a pressing sheet square hole (3.4.1) are arranged above the main body square hole (3.1.3), and a pressure sensor chip (3.5.2) below the integrated circuit board (3.5) passes through the pressing sheet square hole (3.4.2) on the pressing sheet (3.4) to be directly contacted with the sealing diaphragm (3.3) of the main body square hole (3.1.3);
when in use, the liquid injection pipe interface (3.1.12) of the liquid distributor (3) is connected with the transfusion device, and the air from the liquid injection pipe interface (3.1.12) to the puncture needle point (2.3.3) is emptied; confirming that the needle points (2.2.3) of puncture needles a, b, c, d and E (2.2 abcde) of an E-type injector (2) are all positioned in a puncture needle outlet (2.1.6 abcde) of a cone (2.1), placing the cone (2.1) in a wound path to fix by hand, pushing a liquid dispenser (3) to approach the cone (2.1), pushing a hollow needle tube (2.2.2) of the puncture needle (2.2 abcde) to slide in a guide tube cavity (2.1.4), and obliquely inserting the needle points (2.2.3) into tissues around a wound to start liquid injection and hemostasis; at the moment, the liquid separating groove (3.1.2) connected with each puncture needle socket (3.1.1) and the independent pin number of the sensing sensor chip on the main body square hole (3.1.3), the number of the independent pins of the light emitting diode above the pipe cavity (3.1.4) of the regulating valve outside the main body square hole (3.1.3) is the same, when the liquid path puncture needle is empty, the pressure of the liquid path is obviously lower than that of other liquid paths, the liquid pressure of the main body square hole (3.1.3) can cause the voltage of the independent output signal of the pressure sensor on the main body square hole to be lower than that of other sensors, after the signals of the path are processed and compared by the singlechip, the LED circuits with the same number are switched on, the LEDs are lightened, a user is prompted to manually rotate a regulating valve hollow screw knob (3.1.7) on the liquid path, a regulating valve piston rod (3.1.6) is pushed to close a liquid separation side hole (3.1.8) on a liquid path regulating valve tube cavity (3.1.4), and therefore liquid infusion of the liquid path is closed.
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| CN201910508196.8A CN111166433A (en) | 2019-06-13 | 2019-06-13 | Hemostatic and analgesic liquid injection device for battlefield and field |
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| CN201910508196.8A CN111166433A (en) | 2019-06-13 | 2019-06-13 | Hemostatic and analgesic liquid injection device for battlefield and field |
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