CN108888843B - Powder hemostatic propeller for human cavity wound - Google Patents
Powder hemostatic propeller for human cavity wound Download PDFInfo
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- CN108888843B CN108888843B CN201811147538.XA CN201811147538A CN108888843B CN 108888843 B CN108888843 B CN 108888843B CN 201811147538 A CN201811147538 A CN 201811147538A CN 108888843 B CN108888843 B CN 108888843B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M13/00—Insufflators for therapeutic or disinfectant purposes, i.e. devices for blowing a gas, powder or vapour into the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
- A61M31/007—Injectors for solid bodies, e.g. suppositories
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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
Abstract
The utility model discloses a powder hemostatic agent propeller for wounds of human cavities, which comprises a barrel and a propelling component, wherein the barrel comprises a barrel section and a penetrating section which are connected, the radial dimension of the penetrating section is gradually reduced from one end connected with the barrel section to one end far away from the barrel section, the propelling component comprises a piston head, a push rod and a pressing cover, the push rod is detachably connected with the piston head and the pressing cover, the piston head is arranged at the end of the barrel section far away from the penetrating section, and the powder hemostatic agent propeller has a storage state and an injection state; in the storage state, the penetrating segment is embedded in the sealing cavity, and the push rod is detachably connected to the outer wall of the cylindrical segment; in the injected state, the powder hemostatic agent in the cartridge is forced out of the penetrating segment by the pressure of the piston head. The powder hemostatic propeller for the human cavity wound provided by the utility model has the advantages that firstly, the whole size is smaller, the powder hemostatic propeller is convenient to transport and carry, secondly, the powder hemostatic propeller is convenient to insert into the wound, and the negative influence on patients is reduced.
Description
Technical Field
The utility model relates to an emergency treatment technology, in particular to a powder hemostatic propeller for a human cavity wound.
Background
In traffic accidents, violent crimes and war, penetrating wounds are one of the main injury types, penetrating wounds can cause cavity wounds on human bodies, the cavity wounds can cause great blood loss, people dying by traffic safety accidents in 2016 of China are in the second place in the world, and the blood loss of the cavity wounds is one of the main factors causing death.
In the prior art, the main medicament hemostasis and the bandaging hemostasis are carried out by the hemostasis means, but the hemostasis operation is carried out on the body surface of a patient by the two means, and the bleeding point penetrating the wound is positioned in the cavity, so that the hemostasis operation effect of the body surface is limited. In order to approach the problem, technical means for stopping bleeding deeply into a wound of a cavity also appear in the prior art, such as publication number CN205924682U, publication date is 2 months 8 days in 2017, and the utility model patent named as a barrel type hemostatic device discloses a technical means for stopping bleeding when entering a bleeding point, which comprises a cylindrical barrel, the rear end of the barrel is open, the front end of the barrel is a discharge end, the discharge end comprises a circular bottom plate, the periphery of the bottom plate is in seamless connection or integrated formation with the barrel, the bottom plate comprises a plurality of fan-shaped valve bodies, and the adjacent valve bodies are connected through a plurality of connecting points or are connected through thin walls or are in seamless splicing. The cylindrical hemostatic device provided by the utility model can be manufactured into different lengths and different diameters, can be inserted into wounds or incisions with different diameters, and can push hemostatic agent into a relatively deep bleeding position in time without expanding the wounds through surgery.
The hemostatic device has the advantages that the hemostatic agent is filled in the barrel, the length of the barrel and the length of the push rod enable the hemostatic device to be too long, the hemostatic device is inconvenient to transport and carry, the front end of the hemostatic device is thicker, and the hemostatic device has the defects that the hemostatic device is difficult to insert into a wound and aggravate pain of a patient due to small wound area of penetrating wounds such as gunshot wounds and stabbing wounds.
Disclosure of Invention
The utility model aims to provide a powder hemostatic agent propeller for wounds of human cavities, which aims to solve the defects in the technology.
In order to achieve the above object, the present utility model provides the following technical solutions:
a powder hemostatic agent pusher for a wound of a body cavity, comprising a barrel and a pusher assembly, the barrel comprising a connected barrel section and a penetrating section, the penetrating section decreasing in radial dimension from an end connecting the barrel section to an end distal from the barrel section, the pusher assembly comprising a piston head, a push rod and a pressure cap, the push rod being detachably connected to the piston head and the pressure cap, the piston head being disposed on the barrel section at an end facing away from the penetrating section, the pressure cap being provided on an inner side with a sealed cavity conforming to the shape of the penetrating section, the powder hemostatic agent pusher having a stowed condition and an injection condition;
in the storage state, the penetrating segment is embedded in the sealing cavity, a sealing plug is plugged at the end part of the cylindrical segment and abuts against the piston head, and the push rod is detachably connected to the outer wall of the cylindrical segment;
in the injection state, the two ends of the push rod are respectively connected with the piston head and the Shi Yagai, and the powder hemostatic agent in the cylinder body is extruded from the penetrating segment by the pressure of the piston head.
The cylindrical section is a cylinder or an elliptic cylinder.
In the powder hemostatic agent propeller, the end part of the cylindrical section, which is away from the penetrating section, is provided with a radial extension part, the radial extension part is provided with a first clamping groove, and the outer wall of the pressing cover is provided with a second clamping groove;
in the storage state, the push rod is attached to the outer wall of the cylindrical section, and two ends of the push rod are respectively clamped in the first clamping groove and the second clamping groove.
In the powder hemostatic agent propeller, slots are formed in the piston head and the pressing cover;
in the injection state, two ends of the push rod are respectively inserted into one slot.
In the powder hemostatic propeller, a plurality of axial gaps are formed in the penetrating segment, the penetrating segment is divided into a plurality of arc plates by the axial gaps, and the arc plates are made of elastic materials;
in the injection state, the arc-shaped plate is tilted in a direction away from the axis of the cylinder due to the pressure of the powder hemostatic agent.
The powder hemostatic agent impeller described above, wherein the piston head comprises a tapered section and a cylindrical section connected, the tapered section having a dimension greater than an inner radial dimension of the penetrating section, and wherein in the injection state the tapered section extends into the penetrating section to force the arcuate plate to expand.
The powder hemostatic agent propeller further comprises an auxiliary sealing member, wherein the auxiliary sealing member comprises a cover body, one side face of the cover body is sealed on an end opening of the penetrating segment, and the other side face of the cover body is abutted on the inner wall of the pressing cover.
The powder hemostatic agent pusher further comprises a sealing film attached to the end opening.
According to the powder hemostatic propeller, the plurality of axial grooves are formed in the penetrating segment in parallel along the circumferential direction, the end part, far away from the cylindrical segment, of the penetrating segment is provided with the sealing plate, and the sealing plate is provided with the discharging hole.
The powder hemostatic agent propeller further comprises a cone-shaped cylinder, wherein the cone-shaped cylinder is sleeved on the penetrating segment, the cone-shaped cylinder covers the discharging hole and each axial groove, and the pressing cover is sleeved on the cone-shaped cylinder in a sleeved mode.
In the technical scheme, the powder hemostatic agent propeller for the human cavity wound provided by the utility model has the advantages that firstly, in the storage state, the push rod is attached to the outer wall of the cylinder body, so that the whole size is smaller, the powder hemostatic agent propeller is convenient to transport and carry, and the powder hemostatic agent propeller is convenient to insert into the wound and reduces negative effects on patients by penetrating into the wound through the penetrating segment with gradually reduced radial size.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural view of a powder hemostatic agent pusher according to an embodiment of the present utility model;
FIG. 2 is a partial schematic view of the direction A of FIG. 1;
fig. 3 is a cross-sectional view showing a housed state of a powder hemostatic agent pusher according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of an injection state of a powder hemostatic agent pusher according to an embodiment of the present utility model;
fig. 5 is a schematic structural view of an injection state of a powder hemostatic agent pusher according to another embodiment of the present utility model;
FIG. 6 is a second schematic view of an injection state of a powder hemostatic agent pusher according to still another embodiment of the present utility model;
fig. 7 is one of the sectional views of the injection state of the powder hemostatic agent pusher provided in accordance with yet another embodiment of the present utility model;
fig. 8 is a second cross-sectional view of a powder hemostatic agent pusher according to yet another embodiment of the present utility model in an injection state.
Reference numerals illustrate:
1. a cylinder; 1.1, a cylindrical section; 1.11, radial extension; 1.2, penetrating the segment; 1.21, an arc plate; 2. a propulsion assembly; 2.1, piston heads; 2.2, pushing rod; 2.3, pressing the cover; 3. a sealing plug; 4. a powder hemostatic agent; 5. an axial gap; 6. a cover body; 7. an axial groove.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-8, the powder hemostatic agent 4 pusher for a wound of a human body cavity provided by the embodiment of the utility model comprises a barrel 1 and a pushing assembly 2, wherein the barrel 1 comprises a barrel section 1.1 and a penetrating section 1.2 which are connected, the penetrating section 1.2 gradually reduces in radial size from one end connected with the barrel section 1.1 to one end far away from the barrel section 1.1, the pushing assembly 2 comprises a piston head 2.1, a push rod 2.2 and a pressing cover 2.3, the push rod 2.2 is detachably connected with the piston head 2.1 and the pressing cover 2.3, the piston head 2.1 is arranged at the end, away from the penetrating section 1.2, of the barrel section 1.1, a sealing cavity which is matched with the shape of the penetrating section 1.2 is arranged on the inner side of the pressing cover 2.3, and the powder hemostatic agent 4 pusher has a storage state and an injection state; in the storage state, the penetrating segment 1.2 is embedded in the sealing cavity, a sealing plug 3 is plugged at the end part of the cylindrical segment 1.1 and abuts against the piston head 2.1, and the push rod 2.2 is detachably connected to the outer wall of the cylindrical segment 1.1; in the injection state, two ends of the push rod 2.2 are respectively connected with the piston head 2.1 and the pressing cover 2.3, and the powder hemostatic agent 4 in the barrel 1 is extruded from the penetrating segment 1.2 by pressing of the piston head 2.1.
Specifically, the powder hemostatic agent 4 pusher provided in this embodiment is used to extend into a cavity wound of a patient, and input the powder hemostatic agent 4 inside the barrel 1 into the cavity wound, thereby achieving a hemostatic effect. The powder hemostatic agent 4 propeller comprises a barrel 1 and a propelling component 2, wherein a cavity is formed in the barrel 1 and is used for containing the powder hemostatic agent 4, the propelling component 2 is used for pushing the powder hemostatic agent 4 out of the barrel 1 during injection, the barrel 1 comprises a barrel-shaped section 1.1 and a penetrating section 1.2, the penetrating section 1.2 is of a structure with gradually decreasing radial size, such as a frustum structure and a horn mouth structure, and the effect is that one smaller end of the penetrating section 1.2 gradually stretches into a cavity wound, so that negative injury to a patient caused by the barrel 1 is reduced. The propulsion assembly 2 is a detachable structure and comprises a piston head 2.1, a push rod 2.2 and a pressing cover 2.3, wherein the push rod 2.2 is detachably connected with the piston head 2.1 and the pressing cover 2.3, so that the propulsion assembly can be switched between two working states. Specifically, the push rod 2.2 is detachably connected with the piston head 2.1 and the pressing cover 2.3, and preferably, the push rod is inserted into the slots, and the push rod 2.2 is inserted into the slots, so that the connection and the disconnection are extremely rapid. But also can be connected in a threaded manner, a clamping manner or other detachable connection manners in the prior art. The propulsion assembly 2 has two states: a storage state and an injection state. The storage state is the state of the powder hemostatic agent 4 propeller under the non-use conditions of transportation, storage, carrying and the like, at the moment, all the components of the propelling component 2 are in the disassembly state, wherein the push rod 2.2 is detachably connected to the outer wall of the cylindrical section 1.1 of the cylinder body 1, such as clamping connection, or a plurality of points are bonded on the push rod, a sealing cavity is formed in the inner side of the pressure applying cover 2.3, the appearance of the sealing cavity is the same as that of the penetrating section 1.2, and at the moment, the Shi Yagai 2.3.3 is sleeved on the penetrating section 1.2 to realize the sealing of the penetrating section 1.2. While the piston head 2.1 is located at the end of the barrel section 1.1, i.e. the pressure applying cap 2.3 and the piston head 2.1 are located at opposite ends of the barrel 1, a sealing plug 3, such as a rubber plug, is located at the end of the barrel section 1.1 remote from the piercing section 1.2, which is used to assist the piston head 2.1 in sealing the barrel section 1.1. When the powdered hemostatic agent 4 pusher is to be used, it is in an injection state in which the sealing plug 3 is first withdrawn, the push rod 2.2 is then removed from the barrel 1, the compression cap 2.3 is removed from the penetrating segment 1.2, and finally the push rod 2.2 is connected to the piston head 2.1 and the compression cap 2.3, the compression cap 2.3 is pushed, i.e., the hemostatic agent is pushed out of the penetrating segment 1.2 through the piston head 2.1.
The push rod 2.2 is attached to the outer wall of the cylinder body 1 in the storage state, so that the whole size is smaller, the push rod is convenient to transport and carry, and the push rod is convenient to insert into a wound through the puncture segment 1.2 with gradually reduced radial size to reduce negative effects on patients.
In the various embodiments of the utility model, the push rod 2.2 is preferably detachably connected to the outer wall of the cylindrical section 1.1 of the cylinder 1 in two ways. The end part of the cylindrical section 1.1, which is away from the penetrating section 1.2, is provided with a radial extension part 1.11, the radial extension part 1.11 is provided with a first clamping groove, and the outer wall of the pressure applying cover 2.3 is provided with a second clamping groove; in the storage state, push rod 2.2 laminating in on the outer wall of tube-shape section 1.1, push rod 2.2's both ends joint respectively in first draw-in groove and the second draw-in groove, push rod 2.2 realize dismantling with barrel 1 to be connected through the joint at both ends, and when unloading Shi Yagai 2.3 during the use, one end of push rod 2.2 is untied, and it is comparatively convenient to dismantle.
Secondly, in the state of accomodating, push rod 2.2 cup joints in an easily tears the bag, the thin bag bond in on the outer wall of barrel 1, so on the one hand be convenient for take out of push rod 2.2, on the other hand push rod 2.2 self joint or smear viscose.
In another embodiment provided by the utility model, as shown in fig. 5-6, a plurality of axial gaps 5 are arranged on the penetrating segment 1.2, the penetrating segment 1.2 is divided into a plurality of arc plates 1.21 by the axial gaps 5, and the arc plates 1.21 are made of elastic materials; here, the arc plate 1.21 is arc-shaped along the circumferential direction of the penetrating segment 1.2, in the injection state, the arc plate 1.21 is tilted in the direction deviating from the axis of the cylinder 1 due to the pressure of the powder hemostatic agent 4, after the arc plate 1.21 is tilted, the end opening of the penetrating segment 1.2 is enlarged, the push-out speed of the powder hemostatic agent 4 is improved, and the hemostatic capability is improved.
Still further, the piston head 2.1 comprises a conical section and a cylindrical section connected, the size of the conical section is larger than the inner radial size of the penetrating section 1.2, in the injection state, the conical section stretches into the penetrating section 1.2 to force the arc-shaped plate 1.21 to open, and the conical section is larger than the penetrating section 1.2 in size, so that the penetrating section 1.2 is inevitably forced to open to adapt to the conical section, and the opening is used for pushing out all the powder hemostatic agent 4 by forcing the powder hemostatic agent 4 to leak out of a larger gap through the opening of the radial size of the conical section under the condition that the axial space of the penetrating section 1.2 cannot be filled due to the smaller axial size of the conical section, so that waste is avoided.
In still another embodiment of the present utility model, as further shown in fig. 4, a plurality of axial grooves 7, such as U-shaped grooves, V-shaped grooves, etc., are arranged on the penetrating segment 1.2 in parallel along the circumferential direction, a sealing plate is arranged on the end of the penetrating segment 1.2 far away from the cylindrical segment 1.1, and a discharging hole is formed on the sealing plate, where the discharging hole and the axial grooves 7 are push-out channels of the powder hemostatic agent 4, so as to provide a way of uniformly discharging the powder hemostatic agent 4 around the penetrating segment 1.2. The technical means is that the two different discharging modes are selected for different wound types through the concentrated discharging of the end part of the penetrating segment 1.2.
In a further embodiment of the present utility model, a further auxiliary sealing element is added between the pressure cap 2.3 and the piercing section 1.2 to further enhance the sealing effect, while ensuring that the powder hemostatic agent 4 does not leak before injection after removal of the pressure cap 2.3. The auxiliary seal comprises a cover body 6, one side surface of the cover body 6 is sealed on the end opening of the penetrating segment 1.2, and the other side surface of the cover body 6 is abutted on the inner wall of the pressing cover 2.3.
Optionally, the auxiliary sealing structure may be a sealing film, where the sealing film is attached to the end opening, and when an axial gap 5 or an axial groove 7 is provided, the sealing film wraps the whole penetrating segment 1.2, so as to seal the whole penetrating segment 1.2.
In this case, the pressure cap 2.3 has a sealing point or sealing line which adheres to the seal, for example a sealing line which is arranged axially along the piercing section 1.2, i.e. a smaller adhesive region, which has the effect that, when the Shi Yagai 2.3.3 is removed, it simultaneously tears the sealing film open through the adhesive region or a straight line, thus providing an adhesive point for manual tearing of the entire sealing film before injection.
As an alternative, a cone-shaped cylinder can be provided, which is sleeved on the piercing section 1.2, covers the discharge hole and each axial groove 7, and the pressure-applying cover 2.3 is sleeved on the cone-shaped cylinder, so that auxiliary sealing is realized.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (4)
1. A powder hemostatic agent propeller for a wound of a human body cavity, comprising a barrel and a propelling component, wherein the barrel comprises a barrel section and a penetrating section which are connected, the penetrating section gradually reduces in radial size from one end connected with the barrel section to one end far away from the barrel section, the penetrating section is of a frustum structure or a horn mouth structure, the propelling component comprises a piston head, a push rod and a pressing cover, the push rod is detachably connected with the piston head and the pressing cover, the piston head is arranged at the end, facing away from the penetrating section, of the barrel section, a sealing cavity which is matched with the shape of the penetrating section is arranged at the inner side of the pressing cover, and the powder hemostatic agent propeller has a storage state and an injection state;
in the storage state, the penetrating segment is embedded in the sealing cavity, a sealing plug is plugged at the end part of the cylindrical segment and abuts against the piston head, and the push rod is detachably connected to the outer wall of the cylindrical segment;
in the injection state, two ends of the push rod are respectively connected with the piston head and the Shi Yagai, and the powder hemostatic agent in the cylinder body is extruded from the penetrating segment by means of the pressure of the piston head;
the auxiliary sealing element comprises a cover body, one side face of the cover body is sealed on the end opening of the penetrating segment, the other side face of the cover body is abutted to the inner wall of the pressing cover, and the pressing cover is provided with a sealing point or a sealing line which is adhered with the auxiliary sealing element.
2. The powder hemostatic agent impeller of claim 1, wherein the end of the cylindrical section facing away from the penetrating section is provided with a radial extension, the radial extension is provided with a first clamping groove, and the outer wall of the pressure applying cover is provided with a second clamping groove;
in the storage state, the push rod is attached to the outer wall of the cylindrical section, and two ends of the push rod are respectively clamped in the first clamping groove and the second clamping groove.
3. The powder hemostatic agent impeller of claim 1 wherein the piston head and the pressure applying cap are each provided with a slot;
in the injection state, two ends of the push rod are respectively inserted into one slot.
4. The powder hemostatic agent impeller of claim 1 wherein said penetrating segment is provided with a plurality of axial gaps, said penetrating segment being divided by a plurality of said axial gaps into a plurality of arcuate plates, said arcuate plates being of an elastomeric material;
in the injection state, the arc-shaped plate is tilted in a direction away from the axis of the cylinder due to the pressure of the powder hemostatic agent.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810912089 | 2018-08-10 | ||
| CN2018109120897 | 2018-08-10 |
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| CN108888843A CN108888843A (en) | 2018-11-27 |
| CN108888843B true CN108888843B (en) | 2023-06-27 |
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| CN110478608B (en) * | 2019-09-19 | 2021-05-25 | 河北健之翼医疗科技有限公司 | Drug delivery device for promoting healing of cervical wound |
| CN112778057A (en) * | 2021-01-08 | 2021-05-11 | 彭贵阳 | Processing method of dendrobium organic fertilizer |
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