CN113081129A

CN113081129A - Knife edge hemostatic device

Info

Publication number: CN113081129A
Application number: CN202110350244.2A
Authority: CN
Inventors: 肖瑶; 李嘉荣; 周吉祥; 陈秀文; 刘国栋
Original assignee: Xiangya Hospital of Central South University
Current assignee: Xiangya Hospital of Central South University
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-07-09
Anticipated expiration: 2041-03-31
Also published as: CN113081129B

Abstract

The invention discloses a knife edge hemostasis device, which comprises a binding layer, a dressing layer, an adjusting sheet, an extrusion block and an adjusting component, wherein the binding layer is arranged on the binding layer; an embedding hole is formed in the middle of the laminating layer; the edge of the dressing layer is attached to the attaching layer, and the dressing layer covers the embedding hole; the adjusting sheet is arranged on one side of the laminating layer, which is far away from the dressing layer; the adjusting sheet is covered in the embedding hole; the knife edge hemostasis device provided by the invention can adjust the compression strength on the knife edge of a patient when in use; the attaching layer is attached to the position of the incision of the patient, so that the dressing layer is in contact with the incision, then the lead screw is driven to rotate through the driving part, and the connecting belt is pulled, so that the distance between the adjusting sheet and the attaching layer is adjusted, the pressure on the dressing layer can be adjusted through the adjusting sheet and the extrusion block, and the compression strength of the incision of the patient is adjusted.

Description

Knife edge hemostatic device

Technical Field

The invention relates to the technical field of hemostasis devices, in particular to a knife edge hemostasis device.

Background

After clinical surgery, as the wound of a patient is healed slowly, bleeding is easy to occur, and the healing of the incision of the patient after the surgery is inconvenient; at present, a hemostatic bandage is mostly adopted to tighten the incision of a patient.

However, the existing hemostatic bandage has a single structure, and cannot adjust the compression strength of the bandage on the incision of a patient, medical staff can only judge the hemostatic compression strength of the composite wound of the patient according to the working experience, when the hemostatic compression strength is high, the wound of the patient is easily subjected to secondary injury, discomfort of the patient is caused, and in severe cases, necrosis of local tissues of the wound of the patient is also caused; when the compression force for hemostasis is small, the hemostasis effect can not be achieved, and the use is inconvenient.

Disclosure of Invention

The invention mainly aims to provide a knife edge hemostasis device, and aims to solve the problem that the existing hemostasis bandage cannot adjust the compression strength of the bandage on the knife edge of a patient.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

a knife edge hemostasis device is characterized by comprising a binding layer, a dressing layer, an adjusting sheet, an extrusion block and an adjusting component;

an embedding hole is formed in the middle of the laminating layer; the edge of the dressing layer is attached to the attaching layer, and the dressing layer covers the embedding hole; the adjusting sheet is arranged on one side of the laminating layer, which is far away from the dressing layer; the adjusting sheet is covered in the embedding hole;

the extrusion block is movably embedded in the embedding hole; one side of the extrusion block is connected with the adjusting sheet; the other side of the extrusion block is abutted against the dressing layer;

the adjusting assembly further comprises an adjusting box, a screw rod nut, a connecting belt and a driving part; the insert hole comprises a first edge and a second edge which are opposite to each other; one side of the adjusting sheet is hinged to the position, close to the first edge, of the laminating layer; the other side of the adjusting sheet extends to the second edge and spans the embedding hole; the other side of the adjusting sheet is connected with the connecting belt;

an embedded groove is formed in the position, close to the second edge, of the laminating layer; the adjusting box is fixed in the embedded groove; an inner cavity is formed in the adjusting box; the adjusting box comprises a first wall and a second wall which are oppositely arranged; the first wall is attached to the inner bottom wall of the embedded groove;

the screw rod is rotatably arranged in the inner cavity; the screw rod nut is matched and screwed on the screw rod; the length direction of the screw rod is consistent with the extending direction of the adjusting sheet; a guide hole is formed in the position, close to the second edge, of the laminating layer; a through hole is formed in the side wall, close to the second edge, of the adjusting box; the guide hole is communicated with the through hole; one end of the connecting belt is connected with the adjusting sheet; the other end of the connecting band movably penetrates through the guide hole and the through hole and extends into the adjusting box to be connected with the lead screw nut; the driving component is used for driving the screw rod to rotate.

Preferably, the driving part comprises a worm, a worm wheel, a first gear, a second gear, a rotating rod and a rotating handle;

the worm is coaxially connected to one end, far away from the adjusting sheet, of the screw rod; the worm wheel is coaxially connected with the first gear; the worm wheel and the first gear are both rotatably arranged in the inner cavity; the rotation plane of the first gear is parallel to the first wall; the worm wheel is meshed with the worm; the rotating rod is rotatably arranged in the inner cavity and extends out of the second wall; the second gear is arranged in the inner cavity and is coaxial with the rotating rod; the first gear and the second gear are meshed; the rotating handle is connected to one end, extending out of the second wall, of the rotating rod.

Preferably, the diameter of the first gear is larger than that of the second gear, and the number of teeth of the first gear is larger than that of the second gear; the first gear and the second gear are both located on one side, away from the adjusting sheet, of the lead screw nut.

Preferably, the driving part further comprises a first guide rod, a second guide rod and a sliding seat; the first guide rod and the second guide rod are both arranged in the inner cavity; the first guide rod and the second guide rod are parallel to the screw rod; the first guide rod and the second guide rod are respectively arranged on two sides of the screw rod and are symmetrical with the screw rod;

the middle part of the sliding seat is embedded with the screw rod nut; a first through hole and a second through hole are respectively formed in two ends of the sliding seat; the first guide rod is embedded in the first through hole in a sliding manner; the second guide rod is embedded in the second through hole in a sliding manner; the connecting band is connected to the middle part of the sliding seat.

Preferably, the adjusting sheet is an elastic adjusting sheet; the extrusion block is an elastic extrusion block; the thickness of the extrusion block is larger than that of the laminating layer; the edge of one side surface of the extrusion block close to the dressing layer is provided with a round angle.

Preferably, a clamping protruding strip is formed on one side of the extrusion block; a clamping groove is formed in one side, close to the embedding hole, of the adjusting sheet; the protruding strip of screens can cooperate the embedding in the screens recess to with the extrusion piece connect in the adjustment sheet.

Preferably, the cover sealing layer is further included; one side of the covering layer is fixed on one side surface of the attaching layer, which is far away from the dressing layer; the covering layer is rectangular; a magic tape layer is attached to the edge of the covering layer, which is close to one side face of the attaching layer; the cover layer is used for covering the adjusting sheet and the adjusting component.

Preferably, the laminating layer is provided with a plurality of air holes which are uniformly distributed; the extrusion block with the regulating blade all sets up evenly distributed's air vent.

Preferably, the second wall is formed with a circular groove; the rotating handle is positioned in the circular groove.

Preferably, the side surface of the bonding layer connected with the dressing layer is provided with a bonding layer in a bonding way.

Compared with the prior art, the invention at least has the following beneficial effects:

the knife edge hemostasis device provided by the invention can adjust the compression strength on the knife edge of a patient when in use; during the specific use, with laminating layer laminating in patient's knife edge department for dressing layer and edge of a knife contact, then through driver part, the drive lead screw rotates, thereby the pulling connecting band, thereby adjust the distance between adjustment sheet and the laminating layer, because of the extrusion piece of adjustment sheet butt, so accessible adjustment sheet and extrusion piece adjust the pressure to the dressing layer, thereby adjust the compressive strength to patient's knife edge department, it is very convenient, can reach hemostatic effect, also can not cause patient's discomfort.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of a knife-edge hemostatic device according to the present invention;

FIG. 2 is an enlarged view of detail A in FIG. 1;

FIG. 3 is a schematic view of another angle structure of an embodiment of the hemostatic device according to the present invention;

fig. 4 is a partial structural schematic view of an embodiment of the knife-edge hemostatic device according to the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				110	Adhesive layer	120	Adhesive layer
130	Dressing layer	140	Covering layer
				150	Regulating sheet	160	Embedding hole
170	Extrusion block	180	Clamping convex strip
				190	Clamping groove	210	Connecting belt
220	Guide hole	230	Embedded groove
				240	Regulating box	250	Second wall
260	Sliding seat	270	Rotating handle
				280	Circular groove	290	First wall
310	Through hole	320	Third wall
				330	First guide rod	340	Second guide rod
350	Screw mandrel	360	Worm wheel
				370	Worm screw	380	First gear
390	Second gear	410	Rotating rod
				420	Inner cavity

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a knife edge hemostasis device.

Referring to fig. 1-4, in an embodiment of the hemostatic device for incision of the present invention, the hemostatic device for incision comprises a fitting layer 110, a dressing layer 130, an adjusting sheet 150, a pressing block 170, and an adjusting component.

The middle portion of the lamination layer 110 is provided with an insertion hole 160, and the insertion hole 160 is rectangular; the edge of the dressing layer 130 is attached to the attaching layer 110, and the dressing layer 130 covers the insertion hole 160, that is, the dressing layer 130 completely covers the insertion hole 160, where the dressing layer 130 is a physical layer directly contacting with the incision of the patient, and serves the purposes of isolating, absorbing exudate and hemostasis by compression, in this embodiment, the dressing layer 130 is formed by adding dressing to absorbent gauze; the adjusting sheet 150 is arranged on one side of the laminating layer 110 far away from the dressing layer 130; the regulation piece 150 is covered at the insertion hole 160. Here, the adjustment piece 150 is an adjustment piece 150 having elasticity, and preferably, the adjustment piece 150 is an elastic resin adjustment piece.

The extrusion block 170 is movably inserted into the insertion hole 160; one side of the pressing block 170 is connected with the adjusting piece 150; the other side of the expression nub 170 abuts the dressing layer 130.

The adjustment assembly further includes an adjustment box 240, a lead screw 350, a lead screw nut (not shown), a connection band 210, and a driving part; the insertion hole 160 includes a first edge (not numbered) and a second edge (not numbered) opposite to each other; one side of the adjusting sheet 150 is hinged to the laminating layer 110 near the first edge; the other side of the tab 150 extends to a second edge and spans the insertion hole 160; the other side of the adjustment flap 150 is connected with a connection band 210.

An embedded groove 230 is formed in the position, close to the second edge, of the laminating layer 110; the regulating box 240 is fixed to the insertion groove 230; an inner cavity 420 is formed inside the adjusting box 240; the conditioning box 240 includes a first wall 290 and a second wall 250 disposed opposite each other; the first wall 290 is snugly attached to the inner bottom wall of the insertion groove 230.

The screw rod 350 is rotatably arranged in the inner cavity 420; the screw rod nut is matched and screwed on the screw rod 350; the length direction of the screw rod 350 is consistent with the extending direction of the adjusting sheet 150; a guide hole 220 is formed in the position, close to the second edge, of the laminating layer 110; the side wall of the adjusting box 240 close to the second edge is provided with a through hole 310; the guide hole 220 communicates with the through hole 310; one end of the connecting band 210 is connected to the adjusting sheet 150; the other end of the connecting band 210 movably penetrates through the guide hole 220 and the through hole 310 and extends into the adjusting box 240 to be connected with the screw nut; the driving component is used for driving the screw 350 to rotate.

Specifically, the guide hole 220 includes a first hole and a second hole perpendicular to each other; the first hole penetrates through the outer wall of the adhesive layer 110, and the first hole is perpendicular to the outer wall of the adhesive layer 110; the second hole communicates with the through hole 310.

The knife edge hemostasis device provided by the invention can adjust the compression strength on the knife edge of a patient when in use; during the specific use, laminate the laminating layer 110 in patient's knife edge department, make dressing layer 130 and edge of a knife contact, then through driver part, drive lead screw 350 rotates, thereby pulling connecting band 210, thereby adjust the distance between adjustment sheet 150 and the laminating layer 110, because of adjustment sheet 150 butt extrusion piece 170, so accessible adjustment sheet 150 and extrusion piece 170 adjust the pressure to dressing layer 130, thereby adjust the compressive strength to patient's knife edge department, it is very convenient, can reach hemostatic effect, also can not cause patient's discomfort.

Further, as shown in fig. 1 to 4, the driving part includes a worm 370, a worm wheel 360, a first gear 380, a second gear 390, a rotation lever 410, and a rotation handle 270.

The worm 370 is coaxially connected to an end of the screw rod 350 away from the adjusting blade 150; the worm gear 360 and the first gear 380 are coaxially connected; the worm gear 360 and the first gear 380 are both rotatably arranged in the inner cavity 420; the plane of rotation of the first gear 380 is parallel to the first wall 290; worm gear 360 meshes with worm 370; the rotating rod 410 is rotatably disposed in the inner cavity 420, and the rotating rod 410 is perpendicular to the first wall 290 and extends out of the second wall 250; the second gear 390 is disposed in the inner cavity 420 and is coaxially disposed with the rotating rod 410; the first gear 380 and the second gear 390 mesh; the rotation lever 270 is connected to one end of the rotation lever 410 protruding from the second wall 250.

Through above-mentioned technical scheme, perfect driver part's structure and function, during the use, manual rotation rotates handle 270 to rotate second gear 390, thereby drive first gear 380 and worm wheel 360, thereby drive worm wheel 360 and lead screw 350, thereby pulling connecting band 210, in order to realize the above-mentioned purpose of adjusting the distance between adjustment sheet 150 and the laminating layer 110. The transmission connection mode of the worm gear 360 and the worm 370 can realize self-locking and speed reduction, and more accurate adjustment is realized.

Meanwhile, the diameter of the first gear 380 is greater than that of the second gear 390, and the number of teeth of the first gear 380 is greater than that of the second gear 390; the first gear 380 and the second gear 390 are both located on one side of the lead screw nut, which is far away from the adjusting sheet 150, so as to realize speed reduction and torque increase, so that the adjusting sheet 150 can stably generate extrusion force on the extrusion block 170, thereby ensuring continuous compression hemostasis on the knife edge of a patient.

In addition, as shown in fig. 2 and 4, the driving part further includes a first guide bar 330, a second guide bar 340, and a sliding seat 260; the first guide rod 330 and the second guide rod 340 are both arranged in the inner cavity 420; the first guide bar 330 and the second guide bar 340 are both parallel to the screw 350; the first guide bar 330 and the second guide bar 340 are respectively disposed at both sides of the lead screw 350 and are symmetrical to the lead screw 350.

Also disposed within the interior cavity 420 is a third wall 320 that is perpendicular to the first wall 290; the first and

second guide rods

330 and 340 are fixed between the third wall 320 and the inner wall of the inner cavity 420, and the screw 350 is rotatably connected between the third wall 320 and the inner wall of the inner cavity 420.

A screw rod nut is embedded in the middle of the sliding seat 260; a first through hole and a second through hole are respectively formed at two ends of the sliding seat 260; the first guide rod 330 is embedded in the first through hole in a sliding manner; the second guide rod 340 is embedded in the second through hole in a sliding manner; the connection strap 210 is connected to the middle of the sliding seat 260. The second wall 250 is formed with a circular groove 280 opened in a direction away from the adhesive layer 110; the rotation knob 270 is located in the circular groove 280. Through the technical scheme, the structure and the function of the driving part are perfected.

Meanwhile, the adjusting sheet 150 is an elastic adjusting sheet 150; the extrusion block 170 is an elastic extrusion block 170 (preferably a silicone extrusion block 170); the adhesive layer 110 is a rubber adhesive layer 110, so that the adhesive layer is more convenient to adhere to the surface of human skin; the thickness of the extrusion block 170 is greater than that of the lamination layer 110; the edge of one side surface of the pressing block 170 close to the dressing layer 130 is set to be a round angle, and one side surface of the pressing block 170 close to the dressing layer 130 is in an arc convex shape, and the convex direction faces to the dressing layer 130.

In addition, as shown in fig. 1, a locking protrusion 180 is formed at one side of the pressing block 170; a clamping groove 190 is formed on one side of the adjusting sheet 150 close to the inserting hole 160; the detent protrusion 180 can be engaged in the detent recess 190 to connect the pressing block 170 to the adjustment tab 150. In this embodiment, the number of the locking protrusion strips 180 and the locking grooves 190 is 2.

Meanwhile, as shown in fig. 1, the incision hemostasis device further comprises a covering layer 140; one side of the cover layer 140 is fixed to one side of the adhesive layer 110 away from the dressing layer 130; the cover layer 140 is rectangular; a magic tape layer is attached to the edge of the covering layer 140 close to one side of the attaching layer 110; the cover layer 140 is used for covering the adjustment sheet 150 and the adjustment assembly.

By providing the capping layer 140 so as to cover the adjustment flap 150 and the adjustment assembly, the adjustment flap 150 and the adjustment assembly are prevented from being collided with by the outside.

In addition, the laminating layer 110 is provided with a plurality of air holes (not shown) uniformly distributed; the pressing block 170 and the adjusting tab 150 are both provided with evenly distributed vent holes (not shown). So as to realize the ventilation function. The adhesive layer 120 is attached to the side of the adhesive layer 110 to which the dressing layer 130 is attached, and the adhesive layer 120 is provided to facilitate the attachment of the adhesive layer 110 to the skin of the patient.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A knife edge hemostasis device is characterized by comprising a binding layer, a dressing layer, an adjusting sheet, an extrusion block and an adjusting component;

2. The knife-edge hemostatic device of claim 1, wherein the drive member comprises a worm, a worm gear, a first gear, a second gear, a rotating shaft, and a rotating handle;

3. The knife-edge hemostatic device of claim 2, wherein the diameter of the first gear is greater than the diameter of the second gear, and the number of teeth of the first gear is greater than the number of teeth of the second gear; the first gear and the second gear are both located on one side, away from the adjusting sheet, of the lead screw nut.

4. The knife-edge hemostatic device of claim 2, wherein the drive member further comprises a first guide rod, a second guide rod, and a sliding seat; the first guide rod and the second guide rod are both arranged in the inner cavity; the first guide rod and the second guide rod are parallel to the screw rod; the first guide rod and the second guide rod are respectively arranged on two sides of the screw rod and are symmetrical with the screw rod;

5. The incision hemostasis device of claim 1, wherein the adjustment flap is a resilient adjustment flap; the extrusion block is an elastic extrusion block; the thickness of the extrusion block is larger than that of the laminating layer; the edge of one side surface of the extrusion block close to the dressing layer is provided with a round angle.

6. The knife-edge hemostatic device of claim 1, wherein one side of the extrusion block is formed with a detent protrusion; a clamping groove is formed in one side, close to the embedding hole, of the adjusting sheet; the protruding strip of screens can cooperate the embedding in the screens recess to with the extrusion piece connect in the adjustment sheet.

7. The incision hemostasis apparatus of claim 1, further comprising a cover layer; one side of the covering layer is fixed on one side surface of the attaching layer, which is far away from the dressing layer; the covering layer is rectangular; a magic tape layer is attached to the edge of the covering layer, which is close to one side face of the attaching layer; the cover layer is used for covering the adjusting sheet and the adjusting component.

8. The incision hemostasis device of claim 1, wherein the adhesive layer defines a plurality of uniformly distributed air holes; the extrusion block with the regulating blade all sets up evenly distributed's air vent.

9. The knife-edge hemostatic device of claim 2, wherein the second wall is formed with a circular groove; the rotating handle is positioned in the circular groove.

10. The incision hemostasis device of claim 1, wherein the side of the adhesive layer to which the dressing layer is attached is provided with an adhesive layer.